Standardize Armada code with YAPF

From recently merged document updates in [0] there is a desire to
standardize the Airship project python codebase.  This is the effort
to do so for the Armada project.

[0] https://review.opendev.org/#/c/671291/

Change-Id: I4fe916d6e330618ea3a1fccfa4bdfdfabb9ffcb2

.style.yapf

@@ -0,0 +1,10 @@
+[style]
+based_on_style = pep8
+spaces_before_comment = 2
+column_limit = 79
+blank_line_before_nested_class_or_def = false
+blank_line_before_module_docstring = true
+split_before_logical_operator = true
+split_before_first_argument = true
+allow_split_before_dict_value = false
+split_before_arithmetic_operator = true

Makefile

@@ -163,6 +163,11 @@ test-coverage: check-tox
 test-bandit: check-tox
 	tox -e bandit
 
+# Perform auto formatting
+.PHONY: format
+format:
+	tox -e fmt
+
 # style checks
 .PHONY: lint
 lint: test-pep8 helm_lint

armada/api/__init__.py

@@ -15,13 +15,12 @@
 import json
 import logging as log
 import uuid
-import yaml
-
-from oslo_utils import excutils
 
 import falcon
 from oslo_config import cfg
 from oslo_log import log as logging
+from oslo_utils import excutils
+import yaml
 
 from armada.handlers.tiller import Tiller
 
@@ -31,7 +30,6 @@ HEALTH_PATH = 'health'
 
 
 class BaseResource(object):
-
     def __init__(self):
         self.logger = logging.getLogger(__name__)
 
@@ -80,11 +78,12 @@ class BaseResource(object):
             raise Exception("%s: Invalid JSON in body: %s" % (req.path, jex))
 
     def return_error(self, resp, status_code, message="", retry=False):
-        resp.body = json.dumps({
-            'type': 'error',
-            'message': message,
-            'retry': retry
-        })
+        resp.body = json.dumps(
+            {
+                'type': 'error',
+                'message': message,
+                'retry': retry
+            })
         resp.status = status_code
 
     def log_error(self, ctx, level, msg):
@@ -122,7 +121,6 @@ class BaseResource(object):
 
 
 class ArmadaRequestContext(object):
-
     def __init__(self):
         self.log_level = 'ERROR'
         self.user = None  # Username

armada/api/controller/armada.py

@@ -13,9 +13,9 @@
 # limitations under the License.
 
 import json
-import yaml
 
 import falcon
+import yaml
 
 from armada import api
 from armada.common import policy
@@ -60,8 +60,8 @@ class Apply(api.BaseResource):
                     documents, overrides=req_body.get('overrides'))
                 documents = overrides.update_manifests()
         else:
-            self.error(req.context,
-                       "Unknown content-type %s" % req.content_type)
+            self.error(
+                req.context, "Unknown content-type %s" % req.content_type)
             # TODO(fmontei): Use falcon.<Relevant API Exception Class> instead.
             return self.return_error(
                 resp,

armada/api/controller/test.py

@@ -13,10 +13,10 @@
 # limitations under the License.
 
 import json
-import yaml
 
 import falcon
 from oslo_config import cfg
+import yaml
 
 from armada import api
 from armada.common import policy
@@ -165,8 +165,8 @@ class TestReleasesManifestController(api.BaseResource):
                         else:
                             message['test']['failed'].append(release_name)
                 else:
-                    self.logger.info('Release %s not found - SKIPPING',
-                                     release_name)
+                    self.logger.info(
+                        'Release %s not found - SKIPPING', release_name)
                     message['test']['skipped'].append(release_name)
 
         resp.status = falcon.HTTP_200

armada/api/controller/tiller.py

@@ -26,7 +26,6 @@ LOG = logging.getLogger(__name__)
 
 
 class Status(api.BaseResource):
-
     @policy.enforce('tiller:get_status')
     def on_get(self, req, resp):
         '''
@@ -45,9 +44,10 @@ class Status(api.BaseResource):
             self.return_error(resp, falcon.HTTP_500, message=err_message)
 
     def handle(self, tiller):
-        LOG.debug('Tiller (Status) at: %s:%s, namespace=%s, '
-                  'timeout=%s', tiller.tiller_host, tiller.tiller_port,
-                  tiller.tiller_namespace, tiller.timeout)
+        LOG.debug(
+            'Tiller (Status) at: %s:%s, namespace=%s, '
+            'timeout=%s', tiller.tiller_host, tiller.tiller_port,
+            tiller.tiller_namespace, tiller.timeout)
 
         message = {
             'tiller': {
@@ -59,7 +59,6 @@ class Status(api.BaseResource):
 
 
 class Release(api.BaseResource):
-
     @policy.enforce('tiller:get_release')
     def on_get(self, req, resp):
         '''Controller for listing Tiller releases.
@@ -79,9 +78,10 @@ class Release(api.BaseResource):
             self.return_error(resp, falcon.HTTP_500, message=err_message)
 
     def handle(self, tiller):
-        LOG.debug('Tiller (Release) at: %s:%s, namespace=%s, '
-                  'timeout=%s', tiller.tiller_host, tiller.tiller_port,
-                  tiller.tiller_namespace, tiller.timeout)
+        LOG.debug(
+            'Tiller (Release) at: %s:%s, namespace=%s, '
+            'timeout=%s', tiller.tiller_host, tiller.tiller_port,
+            tiller.tiller_namespace, tiller.timeout)
 
         releases = {}
         for release in tiller.list_releases():

armada/api/controller/validation.py

@@ -13,6 +13,7 @@
 # limitations under the License.
 
 import json
+
 import falcon
 import yaml
 
@@ -33,8 +34,9 @@ class Validate(api.BaseResource):
                 self.logger.debug("Validating manifest based on reference.")
                 json_body = self.req_json(req)
                 if json_body.get('href', None):
-                    self.logger.debug("Validating manifest from reference %s."
-                                      % json_body.get('href'))
+                    self.logger.debug(
+                        "Validating manifest from reference %s."
+                        % json_body.get('href'))
                     data = ReferenceResolver.resolve_reference(
                         json_body.get('href'))
                     documents = list()

armada/api/middleware.py

@@ -13,19 +13,17 @@
 # limitations under the License.
 
 import re
-
-from armada.api import HEALTH_PATH
-
 from uuid import UUID
 
 from oslo_config import cfg
 from oslo_log import log as logging
 
+from armada.api import HEALTH_PATH
+
 CONF = cfg.CONF
 
 
 class AuthMiddleware(object):
-
     def __init__(self):
         self.logger = logging.getLogger(__name__)
 
@@ -76,7 +74,6 @@ class AuthMiddleware(object):
 
 
 class ContextMiddleware(object):
-
     def process_request(self, req, resp):
         ctx = req.context
 
@@ -103,7 +100,6 @@ class ContextMiddleware(object):
 
 
 class LoggingMiddleware(object):
-
     def __init__(self):
         self.logger = logging.getLogger(__name__)
 

armada/api/server.py

@@ -79,8 +79,8 @@ def create(enable_middleware=CONF.middleware):
 
     # Error handlers (FILO handling)
     api.add_error_handler(Exception, exceptions.default_exception_handler)
-    api.add_error_handler(exceptions.ArmadaAPIException,
-                          exceptions.ArmadaAPIException.handle)
+    api.add_error_handler(
+        exceptions.ArmadaAPIException, exceptions.ArmadaAPIException.handle)
 
     # Built-in error serializer
     api.set_error_serializer(exceptions.default_error_serializer)

armada/cli/__init__.py

@@ -28,7 +28,6 @@ LOG = logging.getLogger(__name__)
 
 
 class CliAction(object):
-
     def __init__(self):
         self.logger = LOG
         logging.set_defaults(default_log_levels=CONF.default_log_levels)

armada/cli/apply.py

@@ -12,10 +12,9 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-import yaml
-
 import click
 from oslo_config import cfg
+import yaml
 
 from armada.cli import CliAction
 from armada.exceptions.source_exceptions import InvalidPathException
@@ -86,11 +85,12 @@ SHORT_DESC = "Command installs manifest charts."
     '--use-doc-ref', help="Use armada manifest file reference.", is_flag=True)
 @click.option(
     '--set',
-    help=("Use to override Armada Manifest values. Accepts "
-          "overrides that adhere to the format "
-          "<path>:<to>:<property>=<value> to specify a primitive or "
-          "<path>:<to>:<property>=<value1>,...,<valueN> to specify "
-          "a list of values."),
+    help=(
+        "Use to override Armada Manifest values. Accepts "
+        "overrides that adhere to the format "
+        "<path>:<to>:<property>=<value> to specify a primitive or "
+        "<path>:<to>:<property>=<value1>,...,<valueN> to specify "
+        "a list of values."),
     multiple=True,
     type=str,
     default=[])
@@ -111,42 +111,47 @@ SHORT_DESC = "Command installs manifest charts."
 @click.option(
     '--values',
     '-f',
-    help=("Use to override multiple Armada Manifest values by "
-          "reading overrides from a values.yaml-type file."),
+    help=(
+        "Use to override multiple Armada Manifest values by "
+        "reading overrides from a values.yaml-type file."),
     multiple=True,
     type=str,
     default=[])
 @click.option(
     '--wait',
-    help=("Force Tiller to wait until all charts are deployed, "
-          "rather than using each chart's specified wait policy. "
-          "This is equivalent to sequenced chartgroups."),
+    help=(
+        "Force Tiller to wait until all charts are deployed, "
+        "rather than using each chart's specified wait policy. "
+        "This is equivalent to sequenced chartgroups."),
     is_flag=True)
 @click.option(
     '--target-manifest',
-    help=("The target manifest to run. Required for specifying "
-          "which manifest to run when multiple are available."),
+    help=(
+        "The target manifest to run. Required for specifying "
+        "which manifest to run when multiple are available."),
     default=None)
 @click.option('--bearer-token', help="User Bearer token", default=None)
 @click.option('--debug', help="Enable debug logging.", is_flag=True)
 @click.pass_context
-def apply_create(ctx, locations, api, disable_update_post, disable_update_pre,
-                 dry_run, enable_chart_cleanup, use_doc_ref, set, tiller_host,
-                 tiller_port, tiller_namespace, timeout, values, wait,
-                 target_manifest, bearer_token, debug):
+def apply_create(
+        ctx, locations, api, disable_update_post, disable_update_pre, dry_run,
+        enable_chart_cleanup, use_doc_ref, set, tiller_host, tiller_port,
+        tiller_namespace, timeout, values, wait, target_manifest, bearer_token,
+        debug):
     CONF.debug = debug
-    ApplyManifest(ctx, locations, api, disable_update_post, disable_update_pre,
-                  dry_run, enable_chart_cleanup, use_doc_ref, set, tiller_host,
-                  tiller_port, tiller_namespace, timeout, values, wait,
-                  target_manifest, bearer_token).safe_invoke()
+    ApplyManifest(
+        ctx, locations, api, disable_update_post, disable_update_pre, dry_run,
+        enable_chart_cleanup, use_doc_ref, set, tiller_host, tiller_port,
+        tiller_namespace, timeout, values, wait, target_manifest,
+        bearer_token).safe_invoke()
 
 
 class ApplyManifest(CliAction):
-
-    def __init__(self, ctx, locations, api, disable_update_post,
-                 disable_update_pre, dry_run, enable_chart_cleanup,
-                 use_doc_ref, set, tiller_host, tiller_port, tiller_namespace,
-                 timeout, values, wait, target_manifest, bearer_token):
+    def __init__(
+            self, ctx, locations, api, disable_update_post, disable_update_pre,
+            dry_run, enable_chart_cleanup, use_doc_ref, set, tiller_host,
+            tiller_port, tiller_namespace, timeout, values, wait,
+            target_manifest, bearer_token):
         super(ApplyManifest, self).__init__()
         self.ctx = ctx
         # Filename can also be a URL reference
@@ -199,12 +204,11 @@ class ApplyManifest(CliAction):
             return
 
         if not self.ctx.obj.get('api', False):
-            with Tiller(
-                    tiller_host=self.tiller_host,
-                    tiller_port=self.tiller_port,
-                    tiller_namespace=self.tiller_namespace,
-                    bearer_token=self.bearer_token,
-                    dry_run=self.dry_run) as tiller:
+            with Tiller(tiller_host=self.tiller_host,
+                        tiller_port=self.tiller_port,
+                        tiller_namespace=self.tiller_namespace,
+                        bearer_token=self.bearer_token,
+                        dry_run=self.dry_run) as tiller:
 
                 resp = self.handle(documents, tiller)
                 self.output(resp)

armada/cli/delete.py

@@ -12,10 +12,9 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-import yaml
-
 import click
 from oslo_config import cfg
+import yaml
 
 from armada.cli import CliAction
 from armada import const
@@ -70,17 +69,19 @@ SHORT_DESC = "Command deletes releases."
 @click.option('--bearer-token', help="User Bearer token.", default=None)
 @click.option('--debug', help="Enable debug logging.", is_flag=True)
 @click.pass_context
-def delete_charts(ctx, manifest, releases, no_purge, tiller_host, tiller_port,
-                  bearer_token, debug):
+def delete_charts(
+        ctx, manifest, releases, no_purge, tiller_host, tiller_port,
+        bearer_token, debug):
     CONF.debug = debug
-    DeleteChartManifest(ctx, manifest, releases, no_purge, tiller_host,
-                        tiller_port, bearer_token).safe_invoke()
+    DeleteChartManifest(
+        ctx, manifest, releases, no_purge, tiller_host, tiller_port,
+        bearer_token).safe_invoke()
 
 
 class DeleteChartManifest(CliAction):
-
-    def __init__(self, ctx, manifest, releases, no_purge, tiller_host,
-                 tiller_port, bearer_token):
+    def __init__(
+            self, ctx, manifest, releases, no_purge, tiller_host, tiller_port,
+            bearer_token):
 
         super(DeleteChartManifest, self).__init__()
         self.ctx = ctx
@@ -92,10 +93,8 @@ class DeleteChartManifest(CliAction):
         self.bearer_token = bearer_token
 
     def invoke(self):
-        with Tiller(
-                tiller_host=self.tiller_host,
-                tiller_port=self.tiller_port,
-                bearer_token=self.bearer_token) as tiller:
+        with Tiller(tiller_host=self.tiller_host, tiller_port=self.tiller_port,
+                    bearer_token=self.bearer_token) as tiller:
             self.handle(tiller)
 
     @lock_and_thread()

armada/cli/rollback.py

@@ -81,20 +81,22 @@ SHORT_DESC = "Command performs a release rollback."
 @click.option('--bearer-token', help=("User bearer token."), default=None)
 @click.option('--debug', help="Enable debug logging.", is_flag=True)
 @click.pass_context
-def rollback_charts(ctx, release, version, dry_run, tiller_host, tiller_port,
-                    tiller_namespace, timeout, wait, force, recreate_pods,
-                    bearer_token, debug):
+def rollback_charts(
+        ctx, release, version, dry_run, tiller_host, tiller_port,
+        tiller_namespace, timeout, wait, force, recreate_pods, bearer_token,
+        debug):
     CONF.debug = debug
-    Rollback(ctx, release, version, dry_run, tiller_host, tiller_port,
-             tiller_namespace, timeout, wait, force, recreate_pods,
-             bearer_token).safe_invoke()
+    Rollback(
+        ctx, release, version, dry_run, tiller_host, tiller_port,
+        tiller_namespace, timeout, wait, force, recreate_pods,
+        bearer_token).safe_invoke()
 
 
 class Rollback(CliAction):
-
-    def __init__(self, ctx, release, version, dry_run, tiller_host,
-                 tiller_port, tiller_namespace, timeout, wait, force,
-                 recreate_pods, bearer_token):
+    def __init__(
+            self, ctx, release, version, dry_run, tiller_host, tiller_port,
+            tiller_namespace, timeout, wait, force, recreate_pods,
+            bearer_token):
         super(Rollback, self).__init__()
         self.ctx = ctx
         self.release = release
@@ -110,12 +112,10 @@ class Rollback(CliAction):
         self.bearer_token = bearer_token
 
     def invoke(self):
-        with Tiller(
-                tiller_host=self.tiller_host,
-                tiller_port=self.tiller_port,
-                tiller_namespace=self.tiller_namespace,
-                bearer_token=self.bearer_token,
-                dry_run=self.dry_run) as tiller:
+        with Tiller(tiller_host=self.tiller_host, tiller_port=self.tiller_port,
+                    tiller_namespace=self.tiller_namespace,
+                    bearer_token=self.bearer_token,
+                    dry_run=self.dry_run) as tiller:
 
             response = self.handle(tiller)
 
@@ -132,5 +132,6 @@ class Rollback(CliAction):
             recreate_pods=self.recreate_pods)
 
     def output(self, response):
-        self.logger.info(('(dry run) ' if self.dry_run else '') +
-                         'Rollback of %s complete.', self.release)
+        self.logger.info(
+            ('(dry run) ' if self.dry_run else '')
+            + 'Rollback of %s complete.', self.release)

armada/cli/test.py

@@ -12,10 +12,9 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-import yaml
-
 import click
 from oslo_config import cfg
+import yaml
 
 from armada.cli import CliAction
 from armada import const
@@ -69,8 +68,9 @@ SHORT_DESC = "Command tests releases."
     default=None)
 @click.option(
     '--target-manifest',
-    help=("The target manifest to run. Required for specifying "
-          "which manifest to run when multiple are available."),
+    help=(
+        "The target manifest to run. Required for specifying "
+        "which manifest to run when multiple are available."),
     default=None)
 @click.option(
     '--cleanup',
@@ -79,24 +79,26 @@ SHORT_DESC = "Command tests releases."
     default=None)
 @click.option(
     '--enable-all',
-    help=("Run all tests for all releases regardless of any disabled chart "
-          "tests."),
+    help=(
+        "Run all tests for all releases regardless of any disabled chart "
+        "tests."),
     is_flag=True,
     default=False)
 @click.option('--debug', help="Enable debug logging.", is_flag=True)
 @click.pass_context
-def test_charts(ctx, file, release, tiller_host, tiller_port, tiller_namespace,
-                target_manifest, cleanup, enable_all, debug):
+def test_charts(
+        ctx, file, release, tiller_host, tiller_port, tiller_namespace,
+        target_manifest, cleanup, enable_all, debug):
     CONF.debug = debug
-    TestChartManifest(ctx, file, release, tiller_host, tiller_port,
-                      tiller_namespace, target_manifest, cleanup,
-                      enable_all).safe_invoke()
+    TestChartManifest(
+        ctx, file, release, tiller_host, tiller_port, tiller_namespace,
+        target_manifest, cleanup, enable_all).safe_invoke()
 
 
 class TestChartManifest(CliAction):
-
-    def __init__(self, ctx, file, release, tiller_host, tiller_port,
-                 tiller_namespace, target_manifest, cleanup, enable_all):
+    def __init__(
+            self, ctx, file, release, tiller_host, tiller_port,
+            tiller_namespace, target_manifest, cleanup, enable_all):
 
         super(TestChartManifest, self).__init__()
         self.ctx = ctx
@@ -110,10 +112,8 @@ class TestChartManifest(CliAction):
         self.enable_all = enable_all
 
     def invoke(self):
-        with Tiller(
-                tiller_host=self.tiller_host,
-                tiller_port=self.tiller_port,
-                tiller_namespace=self.tiller_namespace) as tiller:
+        with Tiller(tiller_host=self.tiller_host, tiller_port=self.tiller_port,
+                    tiller_namespace=self.tiller_namespace) as tiller:
 
             self.handle(tiller)
 
@@ -123,10 +123,8 @@ class TestChartManifest(CliAction):
 
         if self.release:
             if not self.ctx.obj.get('api', False):
-                test_handler = Test({},
-                                    self.release,
-                                    tiller,
-                                    cleanup=self.cleanup)
+                test_handler = Test(
+                    {}, self.release, tiller, cleanup=self.cleanup)
                 test_handler.test_release_for_success()
             else:
                 client = self.ctx.obj.get('CLIENT')
@@ -168,8 +166,9 @@ class TestChartManifest(CliAction):
                             if test_handler.test_enabled:
                                 test_handler.test_release_for_success()
                         else:
-                            self.logger.info('Release %s not found - SKIPPING',
-                                             release_name)
+                            self.logger.info(
+                                'Release %s not found - SKIPPING',
+                                release_name)
             else:
                 client = self.ctx.obj.get('CLIENT')
                 query = {

armada/cli/tiller.py

@@ -61,17 +61,19 @@ SHORT_DESC = "Command gets Tiller information."
 @click.option('--bearer-token', help="User bearer token.", default=None)
 @click.option('--debug', help="Enable debug logging.", is_flag=True)
 @click.pass_context
-def tiller_service(ctx, tiller_host, tiller_port, tiller_namespace, releases,
-                   status, bearer_token, debug):
+def tiller_service(
+        ctx, tiller_host, tiller_port, tiller_namespace, releases, status,
+        bearer_token, debug):
     CONF.debug = debug
-    TillerServices(ctx, tiller_host, tiller_port, tiller_namespace, releases,
-                   status, bearer_token).safe_invoke()
+    TillerServices(
+        ctx, tiller_host, tiller_port, tiller_namespace, releases, status,
+        bearer_token).safe_invoke()
 
 
 class TillerServices(CliAction):
-
-    def __init__(self, ctx, tiller_host, tiller_port, tiller_namespace,
-                 releases, status, bearer_token):
+    def __init__(
+            self, ctx, tiller_host, tiller_port, tiller_namespace, releases,
+            status, bearer_token):
         super(TillerServices, self).__init__()
         self.ctx = ctx
         self.tiller_host = tiller_host
@@ -83,11 +85,9 @@ class TillerServices(CliAction):
 
     def invoke(self):
 
-        with Tiller(
-                tiller_host=self.tiller_host,
-                tiller_port=self.tiller_port,
-                tiller_namespace=self.tiller_namespace,
-                bearer_token=self.bearer_token) as tiller:
+        with Tiller(tiller_host=self.tiller_host, tiller_port=self.tiller_port,
+                    tiller_namespace=self.tiller_namespace,
+                    bearer_token=self.bearer_token) as tiller:
 
             self.handle(tiller)
 
@@ -113,8 +113,9 @@ class TillerServices(CliAction):
         if self.releases:
             if not self.ctx.obj.get('api', False):
                 for release in tiller.list_releases():
-                    self.logger.info("Release %s in namespace: %s",
-                                     release.name, release.namespace)
+                    self.logger.info(
+                        "Release %s in namespace: %s", release.name,
+                        release.namespace)
             else:
                 client = self.ctx.obj.get('CLIENT')
                 query = {
@@ -125,5 +126,5 @@ class TillerServices(CliAction):
                 resp = client.get_releases(query=query)
                 for namespace in resp.get('releases'):
                     for release in resp.get('releases').get(namespace):
-                        self.logger.info('Release %s in namespace: %s',
-                                         release, namespace)
+                        self.logger.info(
+                            'Release %s in namespace: %s', release, namespace)

armada/cli/validate.py

@@ -52,7 +52,6 @@ def validate_manifest(ctx, locations, debug):
 
 
 class ValidateManifest(CliAction):
-
     def __init__(self, ctx, locations):
         super(ValidateManifest, self).__init__()
         self.ctx = ctx
@@ -71,20 +70,22 @@ class ValidateManifest(CliAction):
                 if not documents:
                     self.logger.warn('No documents to validate.')
                 elif valid:
-                    self.logger.info('Successfully validated: %s',
-                                     self.locations)
+                    self.logger.info(
+                        'Successfully validated: %s', self.locations)
                 else:
                     self.logger.info('Validation failed: %s', self.locations)
 
                 for m in details:
                     self.logger.info('Validation details: %s', str(m))
             except Exception:
-                raise Exception('Exception raised during '
-                                'validation: %s', self.locations)
+                raise Exception(
+                    'Exception raised during '
+                    'validation: %s', self.locations)
         else:
             if len(self.locations) > 1:
-                self.logger.error("Cannot specify multiple locations "
-                                  "when using validate API.")
+                self.logger.error(
+                    "Cannot specify multiple locations "
+                    "when using validate API.")
                 return
 
             client = self.ctx.obj.get('CLIENT')

armada/common/client.py

@@ -12,10 +12,9 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-import yaml
-
 from oslo_config import cfg
 from oslo_log import log as logging
+import yaml
 
 from armada.exceptions import api_exceptions as err
 from armada.handlers.armada import Override
@@ -27,7 +26,6 @@ API_VERSION = 'v{}/{}'
 
 
 class ArmadaClient(object):
-
     def __init__(self, session):
         self.session = session
 
@@ -69,13 +67,14 @@ class ArmadaClient(object):
 
         return resp.json()
 
-    def post_apply(self,
-                   manifest=None,
-                   manifest_ref=None,
-                   values=None,
-                   set=None,
-                   query=None,
-                   timeout=None):
+    def post_apply(
+            self,
+            manifest=None,
+            manifest_ref=None,
+            values=None,
+            set=None,
+            query=None,
+            timeout=None):
         """Call the Armada API to apply a Manifest.
 
         If ``manifest`` is not None, then the request body will be a fully

armada/common/policies/__init__.py

@@ -18,5 +18,5 @@ from armada.common.policies import tiller
 
 
 def list_rules():
-    return itertools.chain(base.list_rules(), service.list_rules(),
-                           tiller.list_rules())
+    return itertools.chain(
+        base.list_rules(), service.list_rules(), tiller.list_rules())

armada/common/policies/service.py

@@ -51,10 +51,12 @@ armada_policies = [
         name=base.ARMADA % 'rollback_release',
         check_str=base.RULE_ADMIN_REQUIRED,
         description='Rollback release',
-        operations=[{
-            'path': '/api/v1.0/rollback/{release}',
-            'method': 'POST'
-        }]),
+        operations=[
+            {
+                'path': '/api/v1.0/rollback/{release}',
+                'method': 'POST'
+            }
+        ]),
 ]
 
 

armada/common/policy.py

@@ -50,11 +50,11 @@ def _enforce_policy(action, target, credentials, do_raise=True):
     # to enforce anything not found in ``armada.common.policies`` will error
     # out with a 'Policy not registered' message and 403 status code.
     try:
-        _ENFORCER.authorize(action, target, credentials.to_policy_view(),
-                            **extras)
+        _ENFORCER.authorize(
+            action, target, credentials.to_policy_view(), **extras)
     except policy.PolicyNotRegistered:
-        LOG.exception('Policy not registered for %(action)s',
-                      {'action': action})
+        LOG.exception(
+            'Policy not registered for %(action)s', {'action': action})
         raise exc.ActionForbidden()
     except Exception:
         with excutils.save_and_reraise_exception():
@@ -69,9 +69,7 @@ def _enforce_policy(action, target, credentials, do_raise=True):
 # NOTE(felipemonteiro): This naming is OK. It's just kept around for legacy
 # reasons. What's important is that authorize is used above.
 def enforce(rule):
-
     def decorator(func):
-
         @functools.wraps(func)
         def handler(*args, **kwargs):
             setup_policy()

armada/common/session.py

@@ -12,10 +12,9 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-import requests
-
 from oslo_config import cfg
 from oslo_log import log as logging
+import requests
 
 LOG = logging.getLogger(__name__)
 CONF = cfg.CONF
@@ -35,33 +34,35 @@ class ArmadaSession(object):
         read timeout to use
     """
 
-    def __init__(self,
-                 host,
-                 port=None,
-                 scheme='http',
-                 token=None,
-                 marker=None,
-                 end_user=None,
-                 timeout=None):
+    def __init__(
+            self,
+            host,
+            port=None,
+            scheme='http',
+            token=None,
+            marker=None,
+            end_user=None,
+            timeout=None):
 
         self._session = requests.Session()
-        self._session.headers.update({
-            'X-Auth-Token': token,
-            'X-Context-Marker': marker,
-            'X-End-User': end_user,
-        })
+        self._session.headers.update(
+            {
+                'X-Auth-Token': token,
+                'X-Context-Marker': marker,
+                'X-End-User': end_user,
+            })
         self.host = host
         self.scheme = scheme
 
         if port:
             self.port = port
-            self.base_url = "{}://{}:{}/api/".format(self.scheme, self.host,
-                                                     self.port)
+            self.base_url = "{}://{}:{}/api/".format(
+                self.scheme, self.host, self.port)
         else:
             self.base_url = "{}://{}/api/".format(self.scheme, self.host)
 
-        self.default_timeout = ArmadaSession._calc_timeout_tuple((20, 3600),
-                                                                 timeout)
+        self.default_timeout = ArmadaSession._calc_timeout_tuple(
+            (20, 3600), timeout)
         self.token = token
         self.marker = marker
         self.end_user = end_user
@@ -91,13 +92,14 @@ class ArmadaSession(object):
 
         return resp
 
-    def post(self,
-             endpoint,
-             query=None,
-             body=None,
-             data=None,
-             headers=None,
-             timeout=None):
+    def post(
+            self,
+            endpoint,
+            query=None,
+            body=None,
+            data=None,
+            headers=None,
+            timeout=None):
         """
         Send a POST request to armada. If both body and data are specified,
         body will will be used.

armada/conf/__init__.py

@@ -76,8 +76,8 @@ def set_default_for_default_log_levels():
     extra_log_level_defaults = ['kubernetes.client.rest=INFO']
 
     log.set_defaults(
-        default_log_levels=log.get_default_log_levels() +
-        extra_log_level_defaults, )
+        default_log_levels=log.get_default_log_levels()
+        + extra_log_level_defaults, )
 
 
 class ChartDeployAwareLogger(logging.Logger):
@@ -93,5 +93,5 @@ class ChartDeployAwareLogger(logging.Logger):
         else:
             prefix = ''
         prefixed = '{}{}'.format(prefix, msg)
-        return super(ChartDeployAwareLogger, self)._log(
-            level, prefixed, *args, **kwargs)
+        return super(ChartDeployAwareLogger,
+                     self)._log(level, prefixed, *args, **kwargs)

armada/conf/default.py

@@ -29,7 +29,8 @@ default_options = [
     cfg.StrOpt(
         'certs',
         default=None,
-        help=utils.fmt("""
+        help=utils.fmt(
+            """
 Absolute path to the certificate file to use for chart registries
 """)),
     cfg.StrOpt(
@@ -39,13 +40,15 @@ Absolute path to the certificate file to use for chart registries
     cfg.BoolOpt(
         'middleware',
         default=True,
-        help=utils.fmt("""
+        help=utils.fmt(
+            """
 Enables or disables Keystone authentication middleware.
 """)),
     cfg.StrOpt(
         'project_domain_name',
         default='default',
-        help=utils.fmt("""
+        help=utils.fmt(
+            """
 The Keystone project domain name used for authentication.
 """)),
     cfg.StrOpt(
@@ -58,7 +61,8 @@ The Keystone project domain name used for authentication.
     cfg.StrOpt(
         'ssh_key_path',
         default='/home/user/.ssh/',
-        help=utils.fmt("""Optional path to an SSH private key used for
+        help=utils.fmt(
+            """Optional path to an SSH private key used for
 authenticating against a Git source repository. The path must be an absolute
 path to the private key that includes the name of the key itself.""")),
     cfg.StrOpt(
@@ -85,25 +89,29 @@ path to the private key that includes the name of the key itself.""")),
         'lock_acquire_timeout',
         default=60,
         min=0,
-        help=utils.fmt("""Time in seconds of how long armada will attempt to
+        help=utils.fmt(
+            """Time in seconds of how long armada will attempt to
         acquire a lock before an exception is raised""")),
     cfg.IntOpt(
         'lock_acquire_delay',
         default=5,
         min=0,
-        help=utils.fmt("""Time in seconds of how long to wait between attempts
+        help=utils.fmt(
+            """Time in seconds of how long to wait between attempts
     to acquire a lock""")),
     cfg.IntOpt(
         'lock_update_interval',
         default=60,
         min=0,
-        help=utils.fmt("""Time in seconds of how often armada will update the
+        help=utils.fmt(
+            """Time in seconds of how often armada will update the
         lock while it is continuing to do work""")),
     cfg.IntOpt(
         'lock_expiration',
         default=600,
         min=0,
-        help=utils.fmt("""Time in seconds of how much time needs to pass since
+        help=utils.fmt(
+            """Time in seconds of how much time needs to pass since
         the last update of an existing lock before armada forcibly removes it
         and tries to acquire its own lock""")),
 ]
@@ -116,11 +124,10 @@ def register_opts(conf):
 
 def list_opts():
     return {
-        'DEFAULT':
-        default_options,
-        'keystone_authtoken':
-        (ks_loading.get_session_conf_options() +
-         ks_loading.get_auth_common_conf_options() +
-         ks_loading.get_auth_plugin_conf_options('password') +
-         ks_loading.get_auth_plugin_conf_options('v3password'))
+        'DEFAULT': default_options,
+        'keystone_authtoken': (
+            ks_loading.get_session_conf_options()
+            + ks_loading.get_auth_common_conf_options()
+            + ks_loading.get_auth_plugin_conf_options('password')
+            + ks_loading.get_auth_plugin_conf_options('v3password'))
     }

armada/conf/opts.py

@@ -70,8 +70,8 @@ def _import_modules(module_names):
         if not hasattr(module, LIST_OPTS_FUNC_NAME):
             raise Exception(
                 "The module '%s' should have a '%s' function which "
-                "returns the config options." % (full_module_path,
-                                                 LIST_OPTS_FUNC_NAME))
+                "returns the config options." %
+                (full_module_path, LIST_OPTS_FUNC_NAME))
         else:
             imported_modules.append(module)
     return imported_modules

armada/exceptions/armada_exceptions.py

@@ -51,8 +51,8 @@ class InvalidValuesYamlException(ArmadaException):
 
     def __init__(self, chart_description):
         self._message = (
-            'Armada encountered invalid values.yaml in helm chart: %s' %
-            chart_description)
+            'Armada encountered invalid values.yaml in helm chart: %s'
+            % chart_description)
         super(InvalidValuesYamlException, self).__init__(self._message)
 
 
@@ -64,8 +64,8 @@ class InvalidOverrideValuesYamlException(ArmadaException):
 
     def __init__(self, chart_description):
         self._message = (
-            'Armada encountered invalid values.yaml in helm chart: %s' %
-            chart_description)
+            'Armada encountered invalid values.yaml in helm chart: %s'
+            % chart_description)
         super(InvalidValuesYamlException, self).__init__(self._message)
 
 

armada/exceptions/base_exception.py

@@ -54,15 +54,16 @@ def get_version_from_request(req):
 
 
 # Standard error handler
-def format_error_resp(req,
-                      resp,
-                      status_code,
-                      message="",
-                      reason="",
-                      error_type=None,
-                      retry=False,
-                      error_list=None,
-                      info_list=None):
+def format_error_resp(
+        req,
+        resp,
+        status_code,
+        message="",
+        reason="",
+        error_type=None,
+        retry=False,
+        error_list=None,
+        info_list=None):
     """
     Write a error message body and throw a Falcon exception to trigger
     an HTTP status
@@ -97,10 +98,12 @@ def format_error_resp(req,
     # message list as well.  In both cases, if the error flag is not
     # set, set it appropriately.
     if error_list is None:
-        error_list = [{
-            'message': 'An error occurred, but was not specified',
-            'error': True
-        }]
+        error_list = [
+            {
+                'message': 'An error occurred, but was not specified',
+                'error': True
+            }
+        ]
     else:
         for error_item in error_list:
             if 'error' not in error_item:
@@ -216,8 +219,9 @@ class ArmadaAPIException(falcon.HTTPError):
         self.error_list = massage_error_list(error_list, description)
         self.info_list = info_list
         self.retry = retry
-        super().__init__(self.status, self.title,
-                         self._gen_ex_message(self.title, self.description))
+        super().__init__(
+            self.status, self.title,
+            self._gen_ex_message(self.title, self.description))
 
     @staticmethod
     def _gen_ex_message(title, description):

armada/exceptions/chartbuilder_exceptions.py

@@ -47,11 +47,13 @@ class HelmChartBuildException(ChartBuilderException):
 
     def __init__(self, chart_name, details):
         self._chart_name = chart_name
-        self._message = ('Failed to build Helm chart for {chart_name}. '
-                         'Details: {details}'.format(**{
-                             'chart_name': chart_name,
-                             'details': details
-                         }))
+        self._message = (
+            'Failed to build Helm chart for {chart_name}. '
+            'Details: {details}'.format(
+                **{
+                    'chart_name': chart_name,
+                    'details': details
+                }))
 
         super(HelmChartBuildException, self).__init__(self._message)
 
@@ -65,8 +67,9 @@ class FilesLoadException(ChartBuilderException):
     * Ensure that the file can be encoded to utf-8 or else it cannot be parsed.
     '''
 
-    message = ('A %(clazz)s exception occurred while trying to read '
-               'file: %(file)s. Details:\n%(details)s')
+    message = (
+        'A %(clazz)s exception occurred while trying to read '
+        'file: %(file)s. Details:\n%(details)s')
 
 
 class IgnoredFilesLoadException(ChartBuilderException):

armada/exceptions/source_exceptions.py

@@ -31,8 +31,9 @@ class GitException(SourceException):
 
     def __init__(self, location):
         self._location = location
-        self._message = ('Git exception occurred, [', self._location,
-                         '] may not be a valid git repository.')
+        self._message = (
+            'Git exception occurred, [', self._location,
+            '] may not be a valid git repository.')
 
         super(GitException, self).__init__(self._message)
 
@@ -44,10 +45,11 @@ class GitAuthException(SourceException):
         self._repo_url = repo_url
         self._ssh_key_path = ssh_key_path
 
-        self._message = ('Failed to authenticate for repo {} with ssh-key at '
-                         'path {}. Verify the repo exists and the correct ssh '
-                         'key path was supplied in the Armada config '
-                         'file.').format(self._repo_url, self._ssh_key_path)
+        self._message = (
+            'Failed to authenticate for repo {} with ssh-key at '
+            'path {}. Verify the repo exists and the correct ssh '
+            'key path was supplied in the Armada config '
+            'file.').format(self._repo_url, self._ssh_key_path)
 
         super(GitAuthException, self).__init__(self._message)
 
@@ -69,8 +71,8 @@ class GitSSHException(SourceException):
     def __init__(self, ssh_key_path):
         self._ssh_key_path = ssh_key_path
 
-        self._message = ('Failed to find specified SSH key: {}.'.format(
-            self._ssh_key_path))
+        self._message = (
+            'Failed to find specified SSH key: {}.'.format(self._ssh_key_path))
 
         super(GitSSHException, self).__init__(self._message)
 

armada/exceptions/tiller_exceptions.py

@@ -212,5 +212,6 @@ class TillerListReleasesPagingException(TillerException):
     *Coming Soon*
     '''
 
-    message = ('Failed to page through tiller releases, possibly due to '
-               'releases being added between pages')
+    message = (
+        'Failed to page through tiller releases, possibly due to '
+        'releases being added between pages')

armada/exceptions/validate_exceptions.py

@@ -29,8 +29,9 @@ class InvalidManifestException(ValidateException):
     *Coming Soon*
     '''
 
-    message = ('Armada manifest(s) failed validation. Details: '
-               '%(error_messages)s.')
+    message = (
+        'Armada manifest(s) failed validation. Details: '
+        '%(error_messages)s.')
 
 
 class InvalidChartNameException(ValidateException):
@@ -59,5 +60,6 @@ class InvalidArmadaObjectException(ValidateException):
     *Coming Soon*
     '''
 
-    message = ('An Armada object failed internal validation. Details: '
-               '%(details)s.')
+    message = (
+        'An Armada object failed internal validation. Details: '
+        '%(details)s.')

armada/handlers/armada.py

@@ -13,6 +13,7 @@
 # limitations under the License.
 
 from concurrent.futures import ThreadPoolExecutor, as_completed
+
 from oslo_config import cfg
 from oslo_log import log as logging
 
@@ -39,20 +40,21 @@ class Armada(object):
     workflows
     '''
 
-    def __init__(self,
-                 documents,
-                 tiller,
-                 disable_update_pre=False,
-                 disable_update_post=False,
-                 enable_chart_cleanup=False,
-                 dry_run=False,
-                 set_ovr=None,
-                 force_wait=False,
-                 timeout=None,
-                 values=None,
-                 target_manifest=None,
-                 k8s_wait_attempts=1,
-                 k8s_wait_attempt_sleep=1):
+    def __init__(
+            self,
+            documents,
+            tiller,
+            disable_update_pre=False,
+            disable_update_post=False,
+            enable_chart_cleanup=False,
+            dry_run=False,
+            set_ovr=None,
+            force_wait=False,
+            timeout=None,
+            values=None,
+            target_manifest=None,
+            k8s_wait_attempts=1,
+            k8s_wait_attempt_sleep=1):
         '''
         Initialize the Armada engine and establish a connection to Tiller.
 
@@ -106,8 +108,8 @@ class Armada(object):
         # Clone the chart sources
         manifest_data = self.manifest.get(const.KEYWORD_DATA, {})
         for group in manifest_data.get(const.KEYWORD_GROUPS, []):
-            for ch in group.get(const.KEYWORD_DATA).get(
-                    const.KEYWORD_CHARTS, []):
+            for ch in group.get(const.KEYWORD_DATA).get(const.KEYWORD_CHARTS,
+                                                        []):
                 self.get_chart(ch)
 
     def get_chart(self, ch):
@@ -193,12 +195,12 @@ class Armada(object):
             chartgroup = cg.get(const.KEYWORD_DATA)
             cg_name = cg.get('metadata').get('name')
             cg_desc = chartgroup.get('description', '<missing description>')
-            cg_sequenced = chartgroup.get('sequenced',
-                                          False) or self.force_wait
+            cg_sequenced = chartgroup.get(
+                'sequenced', False) or self.force_wait
 
-            LOG.info('Processing ChartGroup: %s (%s), sequenced=%s%s', cg_name,
-                     cg_desc, cg_sequenced,
-                     ' (forced)' if self.force_wait else '')
+            LOG.info(
+                'Processing ChartGroup: %s (%s), sequenced=%s%s', cg_name,
+                cg_desc, cg_sequenced, ' (forced)' if self.force_wait else '')
 
             # TODO: Remove when v1 doc support is removed.
             cg_test_all_charts = chartgroup.get('test_charts')
@@ -208,8 +210,8 @@ class Armada(object):
             def deploy_chart(chart):
                 set_current_chart(chart)
                 try:
-                    return self.chart_deploy.execute(chart, cg_test_all_charts,
-                                                     prefix, known_releases)
+                    return self.chart_deploy.execute(
+                        chart, cg_test_all_charts, prefix, known_releases)
                 finally:
                     set_current_chart(None)
 
@@ -284,15 +286,16 @@ class Armada(object):
         for gchart in charts:
             for chart in gchart.get(const.KEYWORD_CHARTS, []):
                 valid_releases.append(
-                    release_prefixer(prefix,
-                                     chart.get('chart', {}).get('release')))
+                    release_prefixer(
+                        prefix,
+                        chart.get('chart', {}).get('release')))
 
         actual_releases = [x.name for x in self.tiller.list_releases()]
         release_diff = list(set(actual_releases) - set(valid_releases))
 
         for release in release_diff:
             if release.startswith(prefix):
-                LOG.info('Purging release %s as part of chart cleanup.',
-                         release)
+                LOG.info(
+                    'Purging release %s as part of chart cleanup.', release)
                 self.tiller.uninstall_release(release)
                 msg['purge'].append(release)

armada/handlers/chart_delete.py

@@ -16,7 +16,6 @@ from armada import const
 
 
 class ChartDelete(object):
-
     def __init__(self, chart, release_name, tiller, purge=True):
         """Initialize a chart delete handler.
 
@@ -39,8 +38,8 @@ class ChartDelete(object):
         # TODO(seaneagan): Consider allowing this to be a percentage of the
         # chart's `wait.timeout` so that the timeouts can scale together, and
         # likely default to some reasonable value, e.g. "50%".
-        self.timeout = self.delete_config.get('timeout',
-                                              const.DEFAULT_DELETE_TIMEOUT)
+        self.timeout = self.delete_config.get(
+            'timeout', const.DEFAULT_DELETE_TIMEOUT)
 
     def get_timeout(self):
         return self.timeout

armada/handlers/chart_deploy.py

@@ -12,8 +12,9 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-from oslo_log import log as logging
 import time
+
+from oslo_log import log as logging
 import yaml
 
 from armada import const
@@ -31,9 +32,9 @@ LOG = logging.getLogger(__name__)
 
 
 class ChartDeploy(object):
-
-    def __init__(self, disable_update_pre, disable_update_post, dry_run,
-                 k8s_wait_attempts, k8s_wait_attempt_sleep, timeout, tiller):
+    def __init__(
+            self, disable_update_pre, disable_update_post, dry_run,
+            k8s_wait_attempts, k8s_wait_attempt_sleep, timeout, tiller):
         self.disable_update_pre = disable_update_pre
         self.disable_update_post = disable_update_post
         self.dry_run = dry_run
@@ -84,8 +85,9 @@ class ChartDeploy(object):
         if status == const.STATUS_DEPLOYED:
 
             # indicate to the end user what path we are taking
-            LOG.info("Existing release %s found in namespace %s", release_name,
-                     namespace)
+            LOG.info(
+                "Existing release %s found in namespace %s", release_name,
+                namespace)
 
             # extract the installed chart and installed values from the
             # latest release so we can compare to the intended state
@@ -114,8 +116,9 @@ class ChartDeploy(object):
                     pre_actions = upgrade_pre
 
                 if not self.disable_update_post and upgrade_post:
-                    LOG.warning('Post upgrade actions are ignored by Armada'
-                                'and will not affect deployment.')
+                    LOG.warning(
+                        'Post upgrade actions are ignored by Armada'
+                        'and will not affect deployment.')
                     post_actions = upgrade_post
 
             try:
@@ -158,8 +161,9 @@ class ChartDeploy(object):
                     force=force,
                     recreate_pods=recreate_pods)
 
-                LOG.info('Upgrade completed with results from Tiller: %s',
-                         tiller_result.__dict__)
+                LOG.info(
+                    'Upgrade completed with results from Tiller: %s',
+                    tiller_result.__dict__)
                 result['upgrade'] = release_name
         else:
             # Check for release with status other than DEPLOYED
@@ -213,10 +217,11 @@ class ChartDeploy(object):
                             release_name, status)
                 else:
                     # Purge the release
-                    LOG.info('Purging release %s with status %s', release_name,
-                             status)
-                    chart_delete = ChartDelete(chart, release_name,
-                                               self.tiller)
+                    LOG.info(
+                        'Purging release %s with status %s', release_name,
+                        status)
+                    chart_delete = ChartDelete(
+                        chart, release_name, self.tiller)
                     chart_delete.delete()
                     result['purge'] = release_name
 
@@ -233,8 +238,9 @@ class ChartDeploy(object):
                 wait=native_wait_enabled,
                 timeout=timer)
 
-            LOG.info('Install completed with results from Tiller: %s',
-                     tiller_result.__dict__)
+            LOG.info(
+                'Install completed with results from Tiller: %s',
+                tiller_result.__dict__)
             result['install'] = release_name
 
         # Wait
@@ -251,8 +257,8 @@ class ChartDeploy(object):
             self.tiller,
             cg_test_charts=cg_test_all_charts)
 
-        run_test = test_handler.test_enabled and (just_deployed or
-                                                  not last_test_passed)
+        run_test = test_handler.test_enabled and (
+            just_deployed or not last_test_passed)
         if run_test:
             self._test_chart(release_name, test_handler)
 
@@ -279,6 +285,7 @@ class ChartDeploy(object):
         for release in known_releases:
             if release.name == release_name:
                 return release
-        LOG.info("known: %s, release_name: %s",
-                 list(map(lambda r: r.name, known_releases)), release_name)
+        LOG.info(
+            "known: %s, release_name: %s",
+            list(map(lambda r: r.name, known_releases)), release_name)
         return None

armada/handlers/chartbuilder.py

@@ -13,16 +13,15 @@
 # limitations under the License.
 
 import os
-import yaml
 
 from google.protobuf.any_pb2 import Any
 from hapi.chart.chart_pb2 import Chart
 from hapi.chart.config_pb2 import Config
 from hapi.chart.metadata_pb2 import Metadata
 from hapi.chart.template_pb2 import Template
-
 from oslo_config import cfg
 from oslo_log import log as logging
+import yaml
 
 from armada.exceptions import chartbuilder_exceptions
 from armada import const
@@ -65,16 +64,17 @@ class ChartBuilder(object):
         property from the chart, or else "" if the property isn't a 2-tuple.
         '''
         source_dir = self.chart_data.get('source_dir')
-        return (os.path.join(*source_dir) if
-                (source_dir and isinstance(source_dir, (list, tuple)) and
-                 len(source_dir) == 2) else "")
+        return (
+            os.path.join(*source_dir) if (
+                source_dir and isinstance(source_dir, (list, tuple))
+                and len(source_dir) == 2) else "")
 
     def get_ignored_files(self):
         '''Load files to ignore from .helmignore if present.'''
         try:
             ignored_files = []
-            if os.path.exists(
-                    os.path.join(self.source_directory, '.helmignore')):
+            if os.path.exists(os.path.join(self.source_directory,
+                                           '.helmignore')):
                 with open(os.path.join(self.source_directory,
                                        '.helmignore')) as f:
                     ignored_files = f.readlines()
@@ -90,8 +90,8 @@ class ChartBuilder(object):
                   False otherwise.
         '''
         for ignored_file in self.ignored_files:
-            if (ignored_file.startswith('*') and
-                    filename.endswith(ignored_file.strip('*'))):
+            if (ignored_file.startswith('*')
+                    and filename.endswith(ignored_file.strip('*'))):
                 return True
             elif ignored_file == filename:
                 return True
@@ -153,8 +153,9 @@ class ChartBuilder(object):
                     raise chartbuilder_exceptions.FilesLoadException(
                         file=abspath, details=e)
                 except UnicodeError as e:
-                    LOG.debug('Attempting to read %s using encoding %s.',
-                              abspath, encoding)
+                    LOG.debug(
+                        'Attempting to read %s using encoding %s.', abspath,
+                        encoding)
                     msg = "(encoding=%s) %s" % (encoding, str(e))
                     unicode_errors.append(msg)
                 else:
@@ -176,12 +177,11 @@ class ChartBuilder(object):
             relfolder = os.path.split(root)[-1]
             rel_folder_path = os.path.relpath(root, self.source_directory)
 
-            if not any(
-                    root.startswith(os.path.join(self.source_directory, x))
-                    for x in ['templates', 'charts']):
+            if not any(root.startswith(os.path.join(self.source_directory, x))
+                       for x in ['templates', 'charts']):
                 for file in files:
-                    if (file not in files_to_ignore and
-                            file not in non_template_files):
+                    if (file not in files_to_ignore
+                            and file not in non_template_files):
                         _append_file_to_result(root, rel_folder_path, file)
             elif relfolder == 'charts' and '.prov' in files:
                 _append_file_to_result(root, rel_folder_path, '.prov')
@@ -196,8 +196,9 @@ class ChartBuilder(object):
             with open(os.path.join(self.source_directory, 'values.yaml')) as f:
                 raw_values = f.read()
         else:
-            LOG.warn("No values.yaml in %s, using empty values",
-                     self.source_directory)
+            LOG.warn(
+                "No values.yaml in %s, using empty values",
+                self.source_directory)
             raw_values = ''
 
         return Config(raw=raw_values)
@@ -210,14 +211,13 @@ class ChartBuilder(object):
         '''
         chart_name = self.chart['metadata']['name']
         templates = []
-        if not os.path.exists(
-                os.path.join(self.source_directory, 'templates')):
+        if not os.path.exists(os.path.join(self.source_directory,
+                                           'templates')):
             LOG.warn(
                 "Chart %s has no templates directory. "
                 "No templates will be deployed", chart_name)
-        for root, _, files in os.walk(
-                os.path.join(self.source_directory, 'templates'),
-                topdown=True):
+        for root, _, files in os.walk(os.path.join(self.source_directory,
+                                                   'templates'), topdown=True):
             for tpl_file in files:
                 tname = os.path.relpath(
                     os.path.join(root, tpl_file),
@@ -247,8 +247,9 @@ class ChartBuilder(object):
         chart_release = self.chart_data.get('release', None)
         for dep_chart in chart_dependencies:
             dep_chart_name = dep_chart['metadata']['name']
-            LOG.info("Building dependency chart %s for release %s.",
-                     dep_chart_name, chart_release)
+            LOG.info(
+                "Building dependency chart %s for release %s.", dep_chart_name,
+                chart_release)
             try:
                 dependencies.append(ChartBuilder(dep_chart).get_helm_chart())
             except Exception:

armada/handlers/document.py

@@ -16,8 +16,8 @@
 
 import urllib.parse
 import re
-import requests
 
+import requests
 from oslo_log import log as logging
 
 from armada.exceptions.source_exceptions import InvalidPathException
@@ -58,8 +58,8 @@ class ReferenceResolver(object):
 
                 if handler is None:
                     raise InvalidPathException(
-                        "Invalid reference scheme %s: no handler." %
-                        design_uri.scheme)
+                        "Invalid reference scheme %s: no handler."
+                        % design_uri.scheme)
                 else:
                     # Have to do a little magic to call the classmethod
                     # as a pointer
@@ -90,8 +90,8 @@ class ReferenceResolver(object):
             response = requests.get(design_uri.geturl(), timeout=30)
             if response.status_code >= 400:
                 raise InvalidPathException(
-                    "Error received for HTTP reference: %d" %
-                    response.status_code)
+                    "Error received for HTTP reference: %d"
+                    % response.status_code)
 
         return response.content
 
@@ -122,8 +122,9 @@ class ReferenceResolver(object):
         ks_sess = ks_utils.get_keystone_session()
         (new_scheme, foo) = re.subn(r'^[^+]+\+', '', design_uri.scheme)
         url = urllib.parse.urlunparse(
-            (new_scheme, design_uri.netloc, design_uri.path, design_uri.params,
-             design_uri.query, design_uri.fragment))
+            (
+                new_scheme, design_uri.netloc, design_uri.path,
+                design_uri.params, design_uri.query, design_uri.fragment))
         LOG.debug("Calling Keystone session for url %s" % str(url))
         resp = ks_sess.get(url)
         if resp.status_code >= 400:

armada/handlers/k8s.py

@@ -60,11 +60,12 @@ class K8s(object):
         self.extension_api = client.ExtensionsV1beta1Api(api_client)
         self.apps_v1_api = client.AppsV1Api(api_client)
 
-    def delete_job_action(self,
-                          name,
-                          namespace="default",
-                          propagation_policy='Foreground',
-                          timeout=DEFAULT_K8S_TIMEOUT):
+    def delete_job_action(
+            self,
+            name,
+            namespace="default",
+            propagation_policy='Foreground',
+            timeout=DEFAULT_K8S_TIMEOUT):
         '''
         Delete a job from a namespace (see _delete_item_action).
 
@@ -74,15 +75,17 @@ class K8s(object):
             to the delete.
         :param timeout: The timeout to wait for the delete to complete
         '''
-        self._delete_item_action(self.batch_api.list_namespaced_job,
-                                 self.batch_api.delete_namespaced_job, "job",
-                                 name, namespace, propagation_policy, timeout)
+        self._delete_item_action(
+            self.batch_api.list_namespaced_job,
+            self.batch_api.delete_namespaced_job, "job", name, namespace,
+            propagation_policy, timeout)
 
-    def delete_cron_job_action(self,
-                               name,
-                               namespace="default",
-                               propagation_policy='Foreground',
-                               timeout=DEFAULT_K8S_TIMEOUT):
+    def delete_cron_job_action(
+            self,
+            name,
+            namespace="default",
+            propagation_policy='Foreground',
+            timeout=DEFAULT_K8S_TIMEOUT):
         '''
         Delete a cron job from a namespace (see _delete_item_action).
 
@@ -97,11 +100,12 @@ class K8s(object):
             self.batch_v1beta1_api.delete_namespaced_cron_job, "cron job",
             name, namespace, propagation_policy, timeout)
 
-    def delete_pod_action(self,
-                          name,
-                          namespace="default",
-                          propagation_policy='Foreground',
-                          timeout=DEFAULT_K8S_TIMEOUT):
+    def delete_pod_action(
+            self,
+            name,
+            namespace="default",
+            propagation_policy='Foreground',
+            timeout=DEFAULT_K8S_TIMEOUT):
         '''
         Delete a pod from a namespace (see _delete_item_action).
 
@@ -111,18 +115,19 @@ class K8s(object):
             to the delete.
         :param timeout: The timeout to wait for the delete to complete
         '''
-        self._delete_item_action(self.client.list_namespaced_pod,
-                                 self.client.delete_namespaced_pod, "pod",
-                                 name, namespace, propagation_policy, timeout)
+        self._delete_item_action(
+            self.client.list_namespaced_pod, self.client.delete_namespaced_pod,
+            "pod", name, namespace, propagation_policy, timeout)
 
-    def _delete_item_action(self,
-                            list_func,
-                            delete_func,
-                            object_type_description,
-                            name,
-                            namespace="default",
-                            propagation_policy='Foreground',
-                            timeout=DEFAULT_K8S_TIMEOUT):
+    def _delete_item_action(
+            self,
+            list_func,
+            delete_func,
+            object_type_description,
+            name,
+            namespace="default",
+            propagation_policy='Foreground',
+            timeout=DEFAULT_K8S_TIMEOUT):
         '''
         This function takes the action to delete an object (job, cronjob, pod)
         from kubernetes. It will wait for the object to be fully deleted before
@@ -145,14 +150,15 @@ class K8s(object):
         try:
             timeout = self._check_timeout(timeout)
 
-            LOG.debug('Watching to delete %s %s, Wait timeout=%s',
-                      object_type_description, name, timeout)
+            LOG.debug(
+                'Watching to delete %s %s, Wait timeout=%s',
+                object_type_description, name, timeout)
             body = client.V1DeleteOptions()
             w = watch.Watch()
             issue_delete = True
             found_events = False
-            for event in w.stream(
-                    list_func, namespace=namespace, timeout_seconds=timeout):
+            for event in w.stream(list_func, namespace=namespace,
+                                  timeout_seconds=timeout):
                 if issue_delete:
                     delete_func(
                         name=name,
@@ -168,23 +174,27 @@ class K8s(object):
                 if item_name == name:
                     found_events = True
                     if event_type == 'DELETED':
-                        LOG.info('Successfully deleted %s %s',
-                                 object_type_description, item_name)
+                        LOG.info(
+                            'Successfully deleted %s %s',
+                            object_type_description, item_name)
                         return
 
             if not found_events:
-                LOG.warn('Saw no delete events for %s %s in namespace=%s',
-                         object_type_description, name, namespace)
+                LOG.warn(
+                    'Saw no delete events for %s %s in namespace=%s',
+                    object_type_description, name, namespace)
 
-            err_msg = ('Reached timeout while waiting to delete %s: '
-                       'name=%s, namespace=%s' % (object_type_description,
-                                                  name, namespace))
+            err_msg = (
+                'Reached timeout while waiting to delete %s: '
+                'name=%s, namespace=%s' %
+                (object_type_description, name, namespace))
             LOG.error(err_msg)
             raise exceptions.KubernetesWatchTimeoutException(err_msg)
 
         except ApiException as e:
-            LOG.exception("Exception when deleting %s: name=%s, namespace=%s",
-                          object_type_description, name, namespace)
+            LOG.exception(
+                "Exception when deleting %s: name=%s, namespace=%s",
+                object_type_description, name, namespace)
             raise e
 
     def get_namespace_job(self, namespace="default", **kwargs):
@@ -196,8 +206,9 @@ class K8s(object):
         try:
             return self.batch_api.list_namespaced_job(namespace, **kwargs)
         except ApiException as e:
-            LOG.error("Exception getting jobs: namespace=%s, label=%s: %s",
-                      namespace, kwargs.get('label_selector', ''), e)
+            LOG.error(
+                "Exception getting jobs: namespace=%s, label=%s: %s",
+                namespace, kwargs.get('label_selector', ''), e)
 
     def get_namespace_cron_job(self, namespace="default", **kwargs):
         '''
@@ -276,8 +287,8 @@ class K8s(object):
         base_pod_pattern = re.compile('^(.+)-[a-zA-Z0-9]+$')
 
         if not base_pod_pattern.match(old_pod_name):
-            LOG.error('Could not identify new pod after purging %s',
-                      old_pod_name)
+            LOG.error(
+                'Could not identify new pod after purging %s', old_pod_name)
             return
 
         pod_base_name = base_pod_pattern.match(old_pod_name).group(1)
@@ -297,13 +308,13 @@ class K8s(object):
                 new_pod_name = event_name
             elif new_pod_name:
                 for condition in pod_conditions:
-                    if (condition.type == 'Ready' and
-                            condition.status == 'True'):
+                    if (condition.type == 'Ready'
+                            and condition.status == 'True'):
                         LOG.info('New pod %s deployed', new_pod_name)
                         w.stop()
 
-    def wait_get_completed_podphase(self, release,
-                                    timeout=DEFAULT_K8S_TIMEOUT):
+    def wait_get_completed_podphase(
+            self, release, timeout=DEFAULT_K8S_TIMEOUT):
         '''
         :param release: part of namespace
         :param timeout: time before disconnecting stream
@@ -312,9 +323,8 @@ class K8s(object):
 
         w = watch.Watch()
         found_events = False
-        for event in w.stream(
-                self.client.list_pod_for_all_namespaces,
-                timeout_seconds=timeout):
+        for event in w.stream(self.client.list_pod_for_all_namespaces,
+                              timeout_seconds=timeout):
             resource_name = event['object'].metadata.name
 
             if release in resource_name:
@@ -362,8 +372,8 @@ class K8s(object):
         return self.custom_objects.create_namespaced_custom_object(
             group, version, namespace, plural, body)
 
-    def delete_custom_resource(self, group, version, namespace, plural, name,
-                               body):
+    def delete_custom_resource(
+            self, group, version, namespace, plural, name, body):
         """Deletes a custom resource
 
         :param group: the custom resource's group
@@ -394,8 +404,8 @@ class K8s(object):
         return self.custom_objects.get_namespaced_custom_object(
             group, version, namespace, plural, name)
 
-    def replace_custom_resource(self, group, version, namespace, plural, name,
-                                body):
+    def replace_custom_resource(
+            self, group, version, namespace, plural, name, body):
         """Replaces a custom resource
 
         :param group: the custom resource's group

armada/handlers/lock.py

@@ -11,10 +11,12 @@
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.
+
 import functools
 import time
 from datetime import datetime, timedelta
 from concurrent.futures import ThreadPoolExecutor
+
 from kubernetes import client
 from kubernetes.client.rest import ApiException
 from oslo_config import cfg
@@ -49,7 +51,6 @@ def lock_and_thread(lock_name="lock"):
     """
 
     def lock_decorator(func):
-
         @functools.wraps(func)
         def func_wrapper(*args, **kwargs):
             bearer_token = None
@@ -62,10 +63,11 @@ def lock_and_thread(lock_name="lock"):
             # we did not find a Tiller object to extract a bearer token from
             # log this to assist with potential debugging in the future
             if not found_tiller:
-                LOG.info("no Tiller object found in parameters of function "
-                         "decorated by lock_and_thread, this might create "
-                         "authentication issues in Kubernetes clusters with "
-                         "external auth backend")
+                LOG.info(
+                    "no Tiller object found in parameters of function "
+                    "decorated by lock_and_thread, this might create "
+                    "authentication issues in Kubernetes clusters with "
+                    "external auth backend")
 
             with Lock(lock_name, bearer_token=bearer_token) as lock:
                 pool = ThreadPoolExecutor(1)
@@ -84,7 +86,6 @@ def lock_and_thread(lock_name="lock"):
 
 
 class Lock:
-
     def __init__(self, lock_name, bearer_token=None, additional_data=None):
         """Creates a lock with the specified name and data. When a lock with
         that name already exists then this will continuously attempt to acquire
@@ -137,8 +138,9 @@ class Lock:
                 return True
             except ApiException as err:
                 if err.status == 404:
-                    LOG.info("Lock Custom Resource Definition not found, "
-                             "creating now")
+                    LOG.info(
+                        "Lock Custom Resource Definition not found, "
+                        "creating now")
                     self.lock_config.create_definition()
                     continue
                 elif err.status == 409:
@@ -157,8 +159,9 @@ class Lock:
                 # of the lock exceeds the expire time in order to avoid
                 # removing another thread's lock while it is still working
                 if self.lock_age() > timedelta(seconds=self.expire_time):
-                    LOG.info("Lock has exceeded expiry time, removing so"
-                             "processing can continue")
+                    LOG.info(
+                        "Lock has exceeded expiry time, removing so"
+                        "processing can continue")
                     self.release_lock()
                     continue
             LOG.debug("Sleeping before attempting to acquire lock again")
@@ -183,7 +186,6 @@ class Lock:
 
 
 class LockConfig:
-
     def __init__(self, name, bearer_token=None, additional_data=None):
         self.name = name
         data = additional_data or dict()

armada/handlers/manifest.py

@@ -23,7 +23,6 @@ LOG = logging.getLogger(__name__)
 
 
 class Manifest(object):
-
     def __init__(self, documents, target_manifest=None):
         """Instantiates a Manifest object.
 
@@ -54,9 +53,10 @@ class Manifest(object):
             target_manifest)
 
         if len(manifests) > 1:
-            error = ('Multiple manifests are not supported. Ensure that the '
-                     '`target_manifest` option is set to specify the target '
-                     'manifest')
+            error = (
+                'Multiple manifests are not supported. Ensure that the '
+                '`target_manifest` option is set to specify the target '
+                'manifest')
             LOG.error(error)
             raise exceptions.ManifestException(details=error)
         else:
@@ -64,9 +64,10 @@ class Manifest(object):
 
         if not all([self.charts, self.groups, self.manifest]):
             expected_schemas = [schema.TYPE_CHART, schema.TYPE_CHARTGROUP]
-            error = ('Documents must include at least one of each of {} '
-                     'and only one {}').format(expected_schemas,
-                                               schema.TYPE_MANIFEST)
+            error = (
+                'Documents must include at least one of each of {} '
+                'and only one {}').format(
+                    expected_schemas, schema.TYPE_MANIFEST)
             LOG.error(error)
             raise exceptions.ManifestException(details=error)
 
@@ -147,8 +148,8 @@ class Manifest(object):
             under ``chart['data']['dependencies']`` could not be found.
         """
         try:
-            chart_dependencies = chart.get(const.KEYWORD_DATA, {}).get(
-                'dependencies', [])
+            chart_dependencies = chart.get(const.KEYWORD_DATA,
+                                           {}).get('dependencies', [])
             for iter, dep in enumerate(chart_dependencies):
                 if isinstance(dep, dict):
                     continue
@@ -175,9 +176,8 @@ class Manifest(object):
         """
         try:
             chart = None
-            for iter, chart in enumerate(
-                    chart_group.get(const.KEYWORD_DATA).get(
-                        const.KEYWORD_CHARTS, [])):
+            for iter, chart in enumerate(chart_group.get(
+                    const.KEYWORD_DATA).get(const.KEYWORD_CHARTS, [])):
                 if isinstance(chart, dict):
                     continue
                 chart_object = self.find_chart_document(chart)
@@ -201,9 +201,8 @@ class Manifest(object):
         :raises ManifestException: If a chart group's data listed
             under ``chart_group[const.KEYWORD_DATA]`` could not be found.
         """
-        for iter, group in enumerate(
-                self.manifest.get(const.KEYWORD_DATA, {}).get(
-                    const.KEYWORD_GROUPS, [])):
+        for iter, group in enumerate(self.manifest.get(
+                const.KEYWORD_DATA, {}).get(const.KEYWORD_GROUPS, [])):
             if isinstance(group, dict):
                 continue
             chart_grp = self.find_chart_group_document(group)

armada/handlers/override.py

@@ -14,6 +14,7 @@
 
 import collections
 import json
+
 import yaml
 
 from armada.exceptions import override_exceptions
@@ -23,7 +24,6 @@ from armada.utils import validate
 
 
 class Override(object):
-
     def __init__(self, documents, overrides=None, values=None):
         self.documents = documents
         self.overrides = overrides

armada/handlers/release_diff.py

@@ -60,10 +60,10 @@ class ReleaseDiff(object):
         :rtype: dict
         '''
 
-        old_input = self.make_release_input(self.old_chart, self.old_values,
-                                            'previously deployed')
-        new_input = self.make_release_input(self.new_chart, self.new_values,
-                                            'currently being deployed')
+        old_input = self.make_release_input(
+            self.old_chart, self.old_values, 'previously deployed')
+        new_input = self.make_release_input(
+            self.new_chart, self.new_values, 'currently being deployed')
 
         return DeepDiff(old_input, new_input, view='tree')
 

armada/handlers/schema.py

@@ -13,8 +13,9 @@
 # limitations under the License.
 
 import os
-import pkg_resources
 import re
+
+import pkg_resources
 import yaml
 
 # Types
@@ -34,7 +35,6 @@ _SCHEMAS = {}
 
 
 class SchemaInfo(object):
-
     def __init__(self, type, version, data):
         self.type = type
         self.version = version

armada/handlers/test.py

@@ -15,7 +15,6 @@
 from oslo_log import log as logging
 
 from armada import const
-
 from armada.handlers.wait import get_wait_labels
 from armada.utils.release import label_selectors
 from armada.utils.helm import get_test_suite_run_success, is_test_pod
@@ -24,14 +23,14 @@ LOG = logging.getLogger(__name__)
 
 
 class Test(object):
-
-    def __init__(self,
-                 chart,
-                 release_name,
-                 tiller,
-                 cg_test_charts=None,
-                 cleanup=None,
-                 enable_all=False):
+    def __init__(
+            self,
+            chart,
+            release_name,
+            tiller,
+            cg_test_charts=None,
+            cleanup=None,
+            enable_all=False):
         """Initialize a test handler to run Helm tests corresponding to a
         release.
 
@@ -62,16 +61,18 @@ class Test(object):
 
         # TODO: Remove when v1 doc support is removed.
         if cg_test_charts is not None:
-            LOG.warn('Chart group key `test_charts` is deprecated and will be '
-                     'removed. Use `test.enabled` instead.')
+            LOG.warn(
+                'Chart group key `test_charts` is deprecated and will be '
+                'removed. Use `test.enabled` instead.')
             self.test_enabled = cg_test_charts
         else:
             self.test_enabled = True
 
         # TODO: Remove when v1 doc support is removed.
         if (type(test_values) == bool):
-            LOG.warn('Boolean value for chart `test` key is deprecated and '
-                     'will be removed. Use `test.enabled` instead.')
+            LOG.warn(
+                'Boolean value for chart `test` key is deprecated and '
+                'will be removed. Use `test.enabled` instead.')
 
             self.test_enabled = test_values
 
@@ -107,14 +108,16 @@ class Test(object):
 
         :return: Helm test suite run result
         """
-        LOG.info('RUNNING: %s tests with timeout=%ds', self.release_name,
-                 self.timeout)
+        LOG.info(
+            'RUNNING: %s tests with timeout=%ds', self.release_name,
+            self.timeout)
 
         try:
             self.delete_test_pods()
         except Exception:
-            LOG.exception("Exception when deleting test pods for release: %s",
-                          self.release_name)
+            LOG.exception(
+                "Exception when deleting test pods for release: %s",
+                self.release_name)
 
         test_suite_run = self.tiller.test_release(
             self.release_name, timeout=self.timeout, cleanup=self.cleanup)

armada/handlers/tiller.py

@@ -13,8 +13,6 @@
 # limitations under the License.
 
 import grpc
-import yaml
-
 from hapi.chart.config_pb2 import Config
 from hapi.services.tiller_pb2 import GetReleaseContentRequest
 from hapi.services.tiller_pb2 import GetReleaseStatusRequest
@@ -28,6 +26,7 @@ from hapi.services.tiller_pb2 import UninstallReleaseRequest
 from hapi.services.tiller_pb2 import UpdateReleaseRequest
 from oslo_config import cfg
 from oslo_log import log as logging
+import yaml
 
 from armada import const
 from armada.conf import get_current_chart
@@ -52,10 +51,10 @@ LOG = logging.getLogger(__name__)
 
 
 class CommonEqualityMixin(object):
-
     def __eq__(self, other):
-        return (isinstance(other, self.__class__) and
-                self.__dict__ == other.__dict__)
+        return (
+            isinstance(other, self.__class__)
+            and self.__dict__ == other.__dict__)
 
     def __ne__(self, other):
         return not self.__eq__(other)
@@ -78,12 +77,13 @@ class Tiller(object):
     service over gRPC
     '''
 
-    def __init__(self,
-                 tiller_host=None,
-                 tiller_port=None,
-                 tiller_namespace=None,
-                 bearer_token=None,
-                 dry_run=None):
+    def __init__(
+            self,
+            tiller_host=None,
+            tiller_port=None,
+            tiller_namespace=None,
+            bearer_token=None,
+            dry_run=None):
         self.tiller_host = tiller_host or CONF.tiller_host
         self.tiller_port = tiller_port or CONF.tiller_port
         self.tiller_namespace = tiller_namespace or CONF.tiller_namespace
@@ -101,9 +101,10 @@ class Tiller(object):
         # be fed at runtime as an override
         self.timeout = const.DEFAULT_TILLER_TIMEOUT
 
-        LOG.debug('Armada is using Tiller at: %s:%s, namespace=%s, timeout=%s',
-                  self.tiller_host, self.tiller_port, self.tiller_namespace,
-                  self.timeout)
+        LOG.debug(
+            'Armada is using Tiller at: %s:%s, namespace=%s, timeout=%s',
+            self.tiller_host, self.tiller_port, self.tiller_namespace,
+            self.timeout)
 
     @property
     def metadata(self):
@@ -126,9 +127,10 @@ class Tiller(object):
                 MAX_MESSAGE_LENGTH, MAX_MESSAGE_LENGTH)
             return grpc.insecure_channel(
                 '%s:%s' % (tiller_ip, tiller_port),
-                options=[('grpc.max_send_message_length', MAX_MESSAGE_LENGTH),
-                         ('grpc.max_receive_message_length',
-                          MAX_MESSAGE_LENGTH)])
+                options=[
+                    ('grpc.max_send_message_length', MAX_MESSAGE_LENGTH),
+                    ('grpc.max_receive_message_length', MAX_MESSAGE_LENGTH)
+                ])
         except Exception:
             LOG.exception('Failed to initialize grpc channel to tiller.')
             raise ex.ChannelException()
@@ -208,8 +210,9 @@ class Tiller(object):
                     limit=LIST_RELEASES_PAGE_SIZE,
                     status_codes=const.STATUS_ALL)
 
-                LOG.debug('Tiller ListReleases() with timeout=%s, request=%s',
-                          self.timeout, req)
+                LOG.debug(
+                    'Tiller ListReleases() with timeout=%s, request=%s',
+                    self.timeout, req)
                 response = stub.ListReleases(
                     req, self.timeout, metadata=self.metadata)
 
@@ -248,8 +251,9 @@ class Tiller(object):
             try:
                 releases = get_results()
             except ex.TillerListReleasesPagingException:
-                LOG.warning('List releases paging failed on attempt %s/%s',
-                            attempt, LIST_RELEASES_ATTEMPTS)
+                LOG.warning(
+                    'List releases paging failed on attempt %s/%s', attempt,
+                    LIST_RELEASES_ATTEMPTS)
                 if attempt == LIST_RELEASES_ATTEMPTS:
                     raise
             else:
@@ -267,14 +271,16 @@ class Tiller(object):
                 latest_releases = []
                 for r in releases:
                     if latest_versions[r.name] == r.version:
-                        LOG.debug('Found release %s, version %s, status: %s',
-                                  r.name, r.version, get_release_status(r))
+                        LOG.debug(
+                            'Found release %s, version %s, status: %s', r.name,
+                            r.version, get_release_status(r))
                         latest_releases.append(r)
 
                 return latest_releases
 
-    def get_chart_templates(self, template_name, name, release_name, namespace,
-                            chart, disable_hooks, values):
+    def get_chart_templates(
+            self, template_name, name, release_name, namespace, chart,
+            disable_hooks, values):
         # returns some info
 
         LOG.info("Template( %s ) : %s ", template_name, name)
@@ -291,15 +297,16 @@ class Tiller(object):
         templates = stub.InstallRelease(
             release_request, self.timeout, metadata=self.metadata)
 
-        for template in yaml.load_all(
-                getattr(templates.release, 'manifest', [])):
-            if template_name == template.get('metadata', None).get(
-                    'name', None):
+        for template in yaml.load_all(getattr(templates.release, 'manifest',
+                                              [])):
+            if template_name == template.get('metadata', None).get('name',
+                                                                   None):
                 LOG.info(template_name)
                 return template
 
-    def _pre_update_actions(self, actions, release_name, namespace, chart,
-                            disable_hooks, values, timeout):
+    def _pre_update_actions(
+            self, actions, release_name, namespace, chart, disable_hooks,
+            values, timeout):
         '''
         :param actions: array of items actions
         :param namespace: name of pod for actions
@@ -353,29 +360,32 @@ class Tiller(object):
         charts = []
         for latest_release in self.list_releases():
             try:
-                release = (latest_release.name, latest_release.version,
-                           latest_release.chart, latest_release.config.raw,
-                           latest_release.info.status.Code.Name(
-                               latest_release.info.status.code))
+                release = (
+                    latest_release.name, latest_release.version,
+                    latest_release.chart, latest_release.config.raw,
+                    latest_release.info.status.Code.Name(
+                        latest_release.info.status.code))
                 charts.append(release)
             except (AttributeError, IndexError) as e:
-                LOG.debug('%s while getting releases: %s, ex=%s',
-                          e.__class__.__name__, latest_release, e)
+                LOG.debug(
+                    '%s while getting releases: %s, ex=%s',
+                    e.__class__.__name__, latest_release, e)
                 continue
         return charts
 
-    def update_release(self,
-                       chart,
-                       release,
-                       namespace,
-                       pre_actions=None,
-                       post_actions=None,
-                       disable_hooks=False,
-                       values=None,
-                       wait=False,
-                       timeout=None,
-                       force=False,
-                       recreate_pods=False):
+    def update_release(
+            self,
+            chart,
+            release,
+            namespace,
+            pre_actions=None,
+            post_actions=None,
+            disable_hooks=False,
+            values=None,
+            wait=False,
+            timeout=None,
+            force=False,
+            recreate_pods=False):
         '''
         Update a Helm Release
         '''
@@ -391,8 +401,9 @@ class Tiller(object):
         else:
             values = Config(raw=values)
 
-        self._pre_update_actions(pre_actions, release, namespace, chart,
-                                 disable_hooks, values, timeout)
+        self._pre_update_actions(
+            pre_actions, release, namespace, chart, disable_hooks, values,
+            timeout)
 
         update_msg = None
         # build release install request
@@ -427,20 +438,17 @@ class Tiller(object):
 
         return tiller_result
 
-    def install_release(self,
-                        chart,
-                        release,
-                        namespace,
-                        values=None,
-                        wait=False,
-                        timeout=None):
+    def install_release(
+            self, chart, release, namespace, values=None, wait=False,
+            timeout=None):
         '''
         Create a Helm Release
         '''
         timeout = self._check_timeout(wait, timeout)
 
-        LOG.info('Helm install release%s: wait=%s, timeout=%s',
-                 (' (dry run)' if self.dry_run else ''), wait, timeout)
+        LOG.info(
+            'Helm install release%s: wait=%s, timeout=%s',
+            (' (dry run)' if self.dry_run else ''), wait, timeout)
 
         if values is None:
             values = Config(raw='')
@@ -477,10 +485,9 @@ class Tiller(object):
             status = self.get_release_status(release)
             raise ex.ReleaseException(release, status, 'Install')
 
-    def test_release(self,
-                     release,
-                     timeout=const.DEFAULT_TILLER_TIMEOUT,
-                     cleanup=False):
+    def test_release(
+            self, release, timeout=const.DEFAULT_TILLER_TIMEOUT,
+            cleanup=False):
         '''
         :param release: name of release to test
         :param timeout: runtime before exiting
@@ -527,8 +534,9 @@ class Tiller(object):
         :param version: version of release status
         '''
 
-        LOG.debug('Helm getting release status for release=%s, version=%s',
-                  release, version)
+        LOG.debug(
+            'Helm getting release status for release=%s, version=%s', release,
+            version)
         try:
             stub = ReleaseServiceStub(self.channel)
             status_request = GetReleaseStatusRequest(
@@ -549,8 +557,9 @@ class Tiller(object):
         :param version: version of release status
         '''
 
-        LOG.debug('Helm getting release content for release=%s, version=%s',
-                  release, version)
+        LOG.debug(
+            'Helm getting release content for release=%s, version=%s', release,
+            version)
         try:
             stub = ReleaseServiceStub(self.channel)
             status_request = GetReleaseContentRequest(
@@ -585,11 +594,8 @@ class Tiller(object):
             LOG.exception('Failed to get Tiller version.')
             raise ex.TillerVersionException()
 
-    def uninstall_release(self,
-                          release,
-                          disable_hooks=False,
-                          purge=True,
-                          timeout=None):
+    def uninstall_release(
+            self, release, disable_hooks=False, purge=True, timeout=None):
         '''
         :param: release - Helm chart release name
         :param: purge - deep delete of chart
@@ -628,12 +634,13 @@ class Tiller(object):
             status = self.get_release_status(release)
             raise ex.ReleaseException(release, status, 'Delete')
 
-    def delete_resources(self,
-                         resource_type,
-                         resource_labels,
-                         namespace,
-                         wait=False,
-                         timeout=const.DEFAULT_TILLER_TIMEOUT):
+    def delete_resources(
+            self,
+            resource_type,
+            resource_labels,
+            namespace,
+            wait=False,
+            timeout=const.DEFAULT_TILLER_TIMEOUT):
         '''
         Delete resources matching provided resource type, labels, and
         namespace.
@@ -665,8 +672,8 @@ class Tiller(object):
                         namespace)
                     continue
 
-                LOG.info("Deleting job %s in namespace: %s", jb_name,
-                         namespace)
+                LOG.info(
+                    "Deleting job %s in namespace: %s", jb_name, namespace)
                 self.k8s.delete_job_action(jb_name, namespace, timeout=timeout)
             handled = True
 
@@ -684,8 +691,9 @@ class Tiller(object):
 
                 # TODO: Remove when v1 doc support is removed.
                 if implied_cronjob:
-                    LOG.warn("Deleting cronjobs via `type: job` is "
-                             "deprecated, use `type: cronjob` instead")
+                    LOG.warn(
+                        "Deleting cronjobs via `type: job` is "
+                        "deprecated, use `type: cronjob` instead")
 
                 if self.dry_run:
                     LOG.info(
@@ -694,8 +702,8 @@ class Tiller(object):
                         namespace)
                     continue
 
-                LOG.info("Deleting cronjob %s in namespace: %s", jb_name,
-                         namespace)
+                LOG.info(
+                    "Deleting cronjob %s in namespace: %s", jb_name, namespace)
                 self.k8s.delete_cron_job_action(jb_name, namespace)
             handled = True
 
@@ -712,27 +720,29 @@ class Tiller(object):
                         namespace)
                     continue
 
-                LOG.info("Deleting pod %s in namespace: %s", pod_name,
-                         namespace)
+                LOG.info(
+                    "Deleting pod %s in namespace: %s", pod_name, namespace)
                 self.k8s.delete_pod_action(pod_name, namespace)
                 if wait:
                     self.k8s.wait_for_pod_redeployment(pod_name, namespace)
             handled = True
 
         if not handled:
-            LOG.error('No resources found with labels=%s type=%s namespace=%s',
-                      resource_labels, resource_type, namespace)
+            LOG.error(
+                'No resources found with labels=%s type=%s namespace=%s',
+                resource_labels, resource_type, namespace)
 
-    def rolling_upgrade_pod_deployment(self,
-                                       name,
-                                       release_name,
-                                       namespace,
-                                       resource_labels,
-                                       action_type,
-                                       chart,
-                                       disable_hooks,
-                                       values,
-                                       timeout=const.DEFAULT_TILLER_TIMEOUT):
+    def rolling_upgrade_pod_deployment(
+            self,
+            name,
+            release_name,
+            namespace,
+            resource_labels,
+            action_type,
+            chart,
+            disable_hooks,
+            values,
+            timeout=const.DEFAULT_TILLER_TIMEOUT):
         '''
         update statefulsets (daemon, stateful)
         '''
@@ -753,8 +763,9 @@ class Tiller(object):
                 ds_name = ds.metadata.name
                 ds_labels = ds.metadata.labels
                 if ds_name == name:
-                    LOG.info("Deleting %s : %s in %s", action_type, ds_name,
-                             namespace)
+                    LOG.info(
+                        "Deleting %s : %s in %s", action_type, ds_name,
+                        namespace)
                     self.k8s.delete_daemon_action(ds_name, namespace)
 
                     # update the daemonset yaml
@@ -779,13 +790,14 @@ class Tiller(object):
         else:
             LOG.error("Unable to exectue name: % type: %s", name, action_type)
 
-    def rollback_release(self,
-                         release_name,
-                         version,
-                         wait=False,
-                         timeout=None,
-                         force=False,
-                         recreate_pods=False):
+    def rollback_release(
+            self,
+            release_name,
+            version,
+            wait=False,
+            timeout=None,
+            force=False,
+            recreate_pods=False):
         '''
         Rollback a helm release.
         '''

armada/handlers/wait.py

@@ -43,9 +43,9 @@ def get_wait_labels(chart):
 
 # TODO: Validate this object up front in armada validate flow.
 class ChartWait():
-
-    def __init__(self, k8s, release_name, chart, namespace, k8s_wait_attempts,
-                 k8s_wait_attempt_sleep, timeout):
+    def __init__(
+            self, k8s, release_name, chart, namespace, k8s_wait_attempts,
+            k8s_wait_attempt_sleep, timeout):
         self.k8s = k8s
         self.release_name = release_name
         self.chart = chart
@@ -65,12 +65,14 @@ class ChartWait():
         else:
             # TODO: Remove when v1 doc support is removed.
             if schema_info.version < 2:
-                resources_list = [{
-                    'type': 'job',
-                    'required': False
-                }, {
-                    'type': 'pod'
-                }]
+                resources_list = [
+                    {
+                        'type': 'job',
+                        'required': False
+                    }, {
+                        'type': 'pod'
+                    }
+                ]
             else:
                 resources_list = self.get_resources_list(resources)
 
@@ -96,15 +98,17 @@ class ChartWait():
         # TODO: Remove when v1 doc support is removed.
         deprecated_timeout = self.chart_data.get('timeout')
         if deprecated_timeout is not None:
-            LOG.warn('The `timeout` key is deprecated and support '
-                     'for this will be removed soon. Use '
-                     '`wait.timeout` instead.')
+            LOG.warn(
+                'The `timeout` key is deprecated and support '
+                'for this will be removed soon. Use '
+                '`wait.timeout` instead.')
             if wait_timeout is None:
                 wait_timeout = deprecated_timeout
 
         if wait_timeout is None:
-            LOG.info('No Chart timeout specified, using default: %ss',
-                     const.DEFAULT_CHART_TIMEOUT)
+            LOG.info(
+                'No Chart timeout specified, using default: %ss',
+                const.DEFAULT_CHART_TIMEOUT)
             wait_timeout = const.DEFAULT_CHART_TIMEOUT
 
         self.timeout = wait_timeout
@@ -206,13 +210,9 @@ class ChartWait():
 
 
 class ResourceWait(ABC):
-
-    def __init__(self,
-                 resource_type,
-                 chart_wait,
-                 labels,
-                 get_resources,
-                 required=True):
+    def __init__(
+            self, resource_type, chart_wait, labels, get_resources,
+            required=True):
         self.resource_type = resource_type
         self.chart_wait = chart_wait
         self.label_selector = label_selectors(labels)
@@ -241,8 +241,9 @@ class ResourceWait(ABC):
         exclude_reason = self.get_exclude_reason(resource)
 
         if exclude_reason:
-            LOG.debug('Excluding %s %s from wait: %s', self.resource_type,
-                      resource.metadata.name, exclude_reason)
+            LOG.debug(
+                'Excluding %s %s from wait: %s', self.resource_type,
+                resource.metadata.name, exclude_reason)
 
         return not exclude_reason
 
@@ -276,8 +277,9 @@ class ResourceWait(ABC):
             self.chart_wait.namespace, self.label_selector, self.required,
             min_ready_msg, timeout)
         if not self.label_selector:
-            LOG.warn('"label_selector" not specified, waiting with no labels '
-                     'may cause unintended consequences.')
+            LOG.warn(
+                '"label_selector" not specified, waiting with no labels '
+                'may cause unintended consequences.')
 
         # Track the overall deadline for timing out during waits
         deadline = time.time() + timeout
@@ -319,10 +321,11 @@ class ResourceWait(ABC):
 
         deadline_remaining = int(round(deadline - time.time()))
         if deadline_remaining <= 0:
-            error = ("Timed out waiting for resource type={}, namespace={}, "
-                     "labels={}".format(self.resource_type,
-                                        self.chart_wait.namespace,
-                                        self.label_selector))
+            error = (
+                "Timed out waiting for resource type={}, namespace={}, "
+                "labels={}".format(
+                    self.resource_type, self.chart_wait.namespace,
+                    self.label_selector))
             LOG.error(error)
             raise k8s_exceptions.KubernetesWatchTimeoutException(error)
 
@@ -339,12 +342,14 @@ class ResourceWait(ABC):
                     '`wait.resources` need to exclude `type: {}`?'.format(
                         self.resource_type))
             else:
-                details = ('These {}s were not ready={}'.format(
-                    self.resource_type, sorted(unready)))
+                details = (
+                    'These {}s were not ready={}'.format(
+                        self.resource_type, sorted(unready)))
             error = (
                 'Timed out waiting for {}s (namespace={}, labels=({})). {}'.
-                format(self.resource_type, self.chart_wait.namespace,
-                       self.label_selector, details))
+                format(
+                    self.resource_type, self.chart_wait.namespace,
+                    self.label_selector, details))
             LOG.error(error)
             raise k8s_exceptions.KubernetesWatchTimeoutException(error)
 
@@ -399,10 +404,12 @@ class ResourceWait(ABC):
             if not self.include_resource(resource):
                 continue
 
-            msg = ('Watch event: type=%s, name=%s, namespace=%s,'
-                   'resource_version=%s')
-            LOG.debug(msg, event_type, resource_name,
-                      self.chart_wait.namespace, resource_version)
+            msg = (
+                'Watch event: type=%s, name=%s, namespace=%s,'
+                'resource_version=%s')
+            LOG.debug(
+                msg, event_type, resource_name, self.chart_wait.namespace,
+                resource_version)
 
             if event_type in {'ADDED', 'MODIFIED'}:
                 found_resources = True
@@ -417,25 +424,29 @@ class ResourceWait(ABC):
                 ready.pop(resource_name)
 
             elif event_type == 'ERROR':
-                LOG.error('Resource %s: Got error event %s', resource_name,
-                          event['object'].to_dict())
+                LOG.error(
+                    'Resource %s: Got error event %s', resource_name,
+                    event['object'].to_dict())
                 raise k8s_exceptions.KubernetesErrorEventException(
                     'Got error event for resource: %s' % event['object'])
 
             else:
-                LOG.error('Unrecognized event type (%s) for resource: %s',
-                          event_type, event['object'])
-                raise (k8s_exceptions.
-                       KubernetesUnknownStreamingEventTypeException(
-                           'Got unknown event type (%s) for resource: %s' %
-                           (event_type, event['object'])))
+                LOG.error(
+                    'Unrecognized event type (%s) for resource: %s',
+                    event_type, event['object'])
+                raise (
+                    k8s_exceptions.
+                    KubernetesUnknownStreamingEventTypeException(
+                        'Got unknown event type (%s) for resource: %s' %
+                        (event_type, event['object'])))
 
             if all(ready.values()):
                 return (False, modified, [], found_resources)
 
-        return (True, modified,
-                [name for name, is_ready in ready.items() if not is_ready],
-                found_resources)
+        return (
+            True, modified,
+            [name for name, is_ready in ready.items()
+             if not is_ready], found_resources)
 
     def _get_resource_condition(self, resource_conditions, condition_type):
         for pc in resource_conditions:
@@ -444,7 +455,6 @@ class ResourceWait(ABC):
 
 
 class PodWait(ResourceWait):
-
     def __init__(self, resource_type, chart_wait, labels, **kwargs):
         super(PodWait, self).__init__(
             resource_type, chart_wait, labels,
@@ -494,7 +504,6 @@ class PodWait(ResourceWait):
 
 
 class JobWait(ResourceWait):
-
     def __init__(self, resource_type, chart_wait, labels, **kwargs):
         super(JobWait, self).__init__(
             resource_type, chart_wait, labels,
@@ -533,8 +542,8 @@ def has_owner(resource, kind=None):
     return False
 
 
-CountOrPercent = collections.namedtuple('CountOrPercent',
-                                        'number is_percent source')
+CountOrPercent = collections.namedtuple(
+    'CountOrPercent', 'number is_percent source')
 
 # Controller logic (Deployment, DaemonSet, StatefulSet) is adapted from
 # `kubectl rollout status`:
@@ -542,16 +551,16 @@ CountOrPercent = collections.namedtuple('CountOrPercent',
 
 
 class ControllerWait(ResourceWait):
-
-    def __init__(self,
-                 resource_type,
-                 chart_wait,
-                 labels,
-                 get_resources,
-                 min_ready="100%",
-                 **kwargs):
-        super(ControllerWait, self).__init__(resource_type, chart_wait, labels,
-                                             get_resources, **kwargs)
+    def __init__(
+            self,
+            resource_type,
+            chart_wait,
+            labels,
+            get_resources,
+            min_ready="100%",
+            **kwargs):
+        super(ControllerWait, self).__init__(
+            resource_type, chart_wait, labels, get_resources, **kwargs)
 
         if isinstance(min_ready, str):
             match = re.match('(.*)%$', min_ready)
@@ -578,7 +587,6 @@ class ControllerWait(ResourceWait):
 
 
 class DeploymentWait(ControllerWait):
-
     def __init__(self, resource_type, chart_wait, labels, **kwargs):
         super(DeploymentWait, self).__init__(
             resource_type, chart_wait, labels,
@@ -596,8 +604,8 @@ class DeploymentWait(ControllerWait):
             # TODO: Don't fail for lack of progress if `min_ready` is met.
             # TODO: Consider continuing after `min_ready` is met, so long as
             # progress is being made.
-            cond = self._get_resource_condition(status.conditions,
-                                                'Progressing')
+            cond = self._get_resource_condition(
+                status.conditions, 'Progressing')
             if cond and (cond.reason or '') == 'ProgressDeadlineExceeded':
                 msg = "deployment {} exceeded its progress deadline"
                 return (msg.format(name), False)
@@ -606,21 +614,26 @@ class DeploymentWait(ControllerWait):
             updated_replicas = status.updated_replicas or 0
             available_replicas = status.available_replicas or 0
             if updated_replicas < replicas:
-                msg = ("Waiting for deployment {} rollout to finish: {} out "
-                       "of {} new replicas have been updated...")
+                msg = (
+                    "Waiting for deployment {} rollout to finish: {} out "
+                    "of {} new replicas have been updated...")
                 return (msg.format(name, updated_replicas, replicas), False)
 
             if replicas > updated_replicas:
-                msg = ("Waiting for deployment {} rollout to finish: {} old "
-                       "replicas are pending termination...")
+                msg = (
+                    "Waiting for deployment {} rollout to finish: {} old "
+                    "replicas are pending termination...")
                 pending = replicas - updated_replicas
                 return (msg.format(name, pending), False)
 
             if not self._is_min_ready(available_replicas, updated_replicas):
-                msg = ("Waiting for deployment {} rollout to finish: {} of {} "
-                       "updated replicas are available, with min_ready={}")
-                return (msg.format(name, available_replicas, updated_replicas,
-                                   self.min_ready.source), False)
+                msg = (
+                    "Waiting for deployment {} rollout to finish: {} of {} "
+                    "updated replicas are available, with min_ready={}")
+                return (
+                    msg.format(
+                        name, available_replicas, updated_replicas,
+                        self.min_ready.source), False)
             msg = "deployment {} successfully rolled out\n"
             return (msg.format(name), True)
 
@@ -629,13 +642,13 @@ class DeploymentWait(ControllerWait):
 
 
 class DaemonSetWait(ControllerWait):
-
-    def __init__(self,
-                 resource_type,
-                 chart_wait,
-                 labels,
-                 allow_async_updates=False,
-                 **kwargs):
+    def __init__(
+            self,
+            resource_type,
+            chart_wait,
+            labels,
+            allow_async_updates=False,
+            **kwargs):
         super(DaemonSetWait, self).__init__(
             resource_type, chart_wait, labels,
             chart_wait.k8s.apps_v1_api.list_namespaced_daemon_set, **kwargs)
@@ -667,18 +680,23 @@ class DaemonSetWait(ControllerWait):
             number_available = status.number_available or 0
 
             if (updated_number_scheduled < desired_number_scheduled):
-                msg = ("Waiting for daemon set {} rollout to finish: {} out "
-                       "of {} new pods have been updated...")
-                return (msg.format(name, updated_number_scheduled,
-                                   desired_number_scheduled), False)
+                msg = (
+                    "Waiting for daemon set {} rollout to finish: {} out "
+                    "of {} new pods have been updated...")
+                return (
+                    msg.format(
+                        name, updated_number_scheduled,
+                        desired_number_scheduled), False)
 
             if not self._is_min_ready(number_available,
                                       desired_number_scheduled):
-                msg = ("Waiting for daemon set {} rollout to finish: {} of {} "
-                       "updated pods are available, with min_ready={}")
-                return (msg.format(name, number_available,
-                                   desired_number_scheduled,
-                                   self.min_ready.source), False)
+                msg = (
+                    "Waiting for daemon set {} rollout to finish: {} of {} "
+                    "updated pods are available, with min_ready={}")
+                return (
+                    msg.format(
+                        name, number_available, desired_number_scheduled,
+                        self.min_ready.source), False)
 
             msg = "daemon set {} successfully rolled out"
             return (msg.format(name), True)
@@ -688,13 +706,13 @@ class DaemonSetWait(ControllerWait):
 
 
 class StatefulSetWait(ControllerWait):
-
-    def __init__(self,
-                 resource_type,
-                 chart_wait,
-                 labels,
-                 allow_async_updates=False,
-                 **kwargs):
+    def __init__(
+            self,
+            resource_type,
+            chart_wait,
+            labels,
+            allow_async_updates=False,
+            **kwargs):
         super(StatefulSetWait, self).__init__(
             resource_type, chart_wait, labels,
             chart_wait.k8s.apps_v1_api.list_namespaced_stateful_set, **kwargs)
@@ -724,9 +742,9 @@ class StatefulSetWait(ControllerWait):
                     raise armada_exceptions.WaitException(
                         msg.format(ASYNC_UPDATE_NOT_ALLOWED_MSG, strategy))
 
-                if (is_rolling and replicas and
-                        spec.update_strategy.rolling_update and
-                        spec.update_strategy.rolling_update.partition):
+                if (is_rolling and replicas
+                        and spec.update_strategy.rolling_update
+                        and spec.update_strategy.rolling_update.partition):
                     msg = "{}: partitioned rollout"
 
                     raise armada_exceptions.WaitException(
@@ -737,17 +755,21 @@ class StatefulSetWait(ControllerWait):
             return (msg, False)
 
         if replicas and not self._is_min_ready(ready_replicas, replicas):
-            msg = ("Waiting for statefulset {} rollout to finish: {} of {} "
-                   "pods are ready, with min_ready={}")
-            return (msg.format(name, ready_replicas, replicas,
-                               self.min_ready.source), False)
+            msg = (
+                "Waiting for statefulset {} rollout to finish: {} of {} "
+                "pods are ready, with min_ready={}")
+            return (
+                msg.format(
+                    name, ready_replicas, replicas,
+                    self.min_ready.source), False)
 
         update_revision = status.update_revision or 0
         current_revision = status.current_revision or 0
 
         if update_revision != current_revision:
-            msg = ("waiting for statefulset rolling update to complete {} "
-                   "pods at revision {}...")
+            msg = (
+                "waiting for statefulset rolling update to complete {} "
+                "pods at revision {}...")
             return (msg.format(updated_replicas, update_revision), False)
 
         msg = "statefulset rolling update complete {} pods at revision {}..."

armada/tests/test_utils.py

@@ -15,14 +15,14 @@
 #    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 #    License for the specific language governing permissions and limitations
 #    under the License.
-
-import mock
 import random
 import string
-import testtools
 import threading
 import uuid
 
+import mock
+import testtools
+
 _mock_thread_safe = False
 _mock_call_lock = threading.RLock()
 

armada/tests/unit/api/base.py

@@ -32,8 +32,9 @@ class BaseControllerTest(test_base.ArmadaTestCase):
         # the sample configuration files to avoid oslo.conf errors when
         # creating the server below.
         current_dir = os.path.dirname(os.path.realpath(__file__))
-        sample_conf_dir = os.path.join(current_dir, os.pardir, os.pardir,
-                                       os.pardir, os.pardir, 'etc', 'armada')
+        sample_conf_dir = os.path.join(
+            current_dir, os.pardir, os.pardir, os.pardir, os.pardir, 'etc',
+            'armada')
         sample_conf_files = ['api-paste.ini', 'armada.conf.sample']
         with mock.patch.object(armada.conf,
                                '_get_config_files') as mock_get_config_files:

armada/tests/unit/api/test_api_initialization.py

@@ -20,7 +20,6 @@ from armada.tests.unit.api import base as test_base
 
 
 class TestApi(test_base.BaseControllerTest):
-
     def test_init_application(self):
         server = importlib.import_module('armada.api.server')
         api = server.create()

armada/tests/unit/api/test_armada_controller.py

@@ -13,8 +13,8 @@
 # limitations under the License.
 
 import json
-import mock
 
+import mock
 from oslo_config import cfg
 
 from armada import api
@@ -26,15 +26,14 @@ from armada.tests.unit.api import base
 CONF = cfg.CONF
 
 
-@mock.patch.object(armada_api.Apply, 'handle',
-                   armada_api.Apply.handle.__wrapped__)
+@mock.patch.object(
+    armada_api.Apply, 'handle', armada_api.Apply.handle.__wrapped__)
 class ArmadaControllerTest(base.BaseControllerTest):
-
     @mock.patch.object(api, 'Tiller')
     @mock.patch.object(armada_api, 'Armada')
     @mock.patch.object(armada_api, 'ReferenceResolver')
-    def test_armada_apply_resource(self, mock_resolver, mock_armada,
-                                   mock_tiller):
+    def test_armada_apply_resource(
+            self, mock_resolver, mock_armada, mock_tiller):
         """Tests the POST /api/v1.0/apply endpoint."""
         rules = {'armada:create_endpoints': '@'}
         self.policy.set_rules(rules)
@@ -84,9 +83,10 @@ class ArmadaControllerTest(base.BaseControllerTest):
         self.assertEqual('application/json', result.headers['content-type'])
 
         mock_resolver.resolve_reference.assert_called_with([payload_url])
-        mock_armada.assert_called_with([{
-            'foo': 'bar'
-        }], **expected_armada_options)
+        mock_armada.assert_called_with(
+            [{
+                'foo': 'bar'
+            }], **expected_armada_options)
         mock_armada.return_value.sync.assert_called()
 
         mock_tiller.assert_called_with(dry_run=False)
@@ -119,7 +119,6 @@ class ArmadaControllerTest(base.BaseControllerTest):
 
 
 class ArmadaControllerNegativeTest(base.BaseControllerTest):
-
     @test_utils.attr(type=['negative'])
     def test_armada_apply_raises_415_given_unsupported_media_type(self):
         """Tests the POST /api/v1.0/apply endpoint returns 415 given
@@ -133,7 +132,6 @@ class ArmadaControllerNegativeTest(base.BaseControllerTest):
 
 
 class ArmadaControllerNegativeRbacTest(base.BaseControllerTest):
-
     @test_utils.attr(type=['negative'])
     def test_armada_apply_resource_insufficient_permissions(self):
         """Tests the POST /api/v1.0/apply endpoint returns 403 following failed

armada/tests/unit/api/test_health_controller.py

@@ -18,7 +18,6 @@ from armada.tests.unit.api import base
 
 
 class HealthControllerTest(base.BaseControllerTest):
-
     def test_get_health_status(self):
         """
         Validate that /api/v1.0/health returns 204.

armada/tests/unit/api/test_rollback_controller.py

@@ -23,10 +23,9 @@ from armada.tests.unit.api import base
 from armada.api.controller import rollback
 
 
-@mock.patch.object(rollback.Rollback, 'handle',
-                   rollback.Rollback.handle.__wrapped__)
+@mock.patch.object(
+    rollback.Rollback, 'handle', rollback.Rollback.handle.__wrapped__)
 class RollbackReleaseControllerTest(base.BaseControllerTest):
-
     @mock.patch.object(api, 'Tiller')
     def test_rollback_controller_pass(self, mock_tiller):
         rules = {'armada:rollback_release': '@'}
@@ -62,14 +61,14 @@ class RollbackReleaseControllerTest(base.BaseControllerTest):
             release, 2, wait=True, timeout=123, force=True, recreate_pods=True)
 
         self.assertEqual(200, resp.status_code)
-        self.assertEqual('Rollback of test-release complete.',
-                         json.loads(resp.text)['message'])
+        self.assertEqual(
+            'Rollback of test-release complete.',
+            json.loads(resp.text)['message'])
         m_tiller.__exit__.assert_called()
 
 
 @test_utils.attr(type=['negative'])
 class RollbackReleaseControllerNegativeTest(base.BaseControllerTest):
-
     @mock.patch.object(api, 'Tiller')
     def test_rollback_controller_tiller_exc_return_500(self, mock_tiller):
         rules = {'armada:rollback_release': '@'}
@@ -83,7 +82,6 @@ class RollbackReleaseControllerNegativeTest(base.BaseControllerTest):
 
 @test_utils.attr(type=['negative'])
 class RollbackReleaseControllerNegativeRbacTest(base.BaseControllerTest):
-
     def test_rollback_release_insufficient_permissions(self):
         """Tests the GET /api/v1.0/rollback/{release} endpoint returns 403
         following failed authorization.

armada/tests/unit/api/test_test_controller.py

@@ -14,9 +14,9 @@
 
 import json
 import os
-import yaml
 
 import mock
+import yaml
 
 from armada import api
 from armada.api.controller import test
@@ -26,10 +26,10 @@ from armada.tests import test_utils
 from armada.tests.unit.api import base
 
 
-@mock.patch.object(test.TestReleasesManifestController, 'handle',
-                   test.TestReleasesManifestController.handle.__wrapped__)
+@mock.patch.object(
+    test.TestReleasesManifestController, 'handle',
+    test.TestReleasesManifestController.handle.__wrapped__)
 class TestReleasesManifestControllerTest(base.BaseControllerTest):
-
     @mock.patch.object(test, 'Manifest')
     @mock.patch.object(api, 'Tiller')
     def test_test_controller_with_manifest(self, mock_tiller, mock_manifest):
@@ -38,8 +38,8 @@ class TestReleasesManifestControllerTest(base.BaseControllerTest):
 
         # TODO: Don't use example charts in tests.
         # TODO: Test cleanup arg is taken from url, then manifest.
-        manifest_path = os.path.join(os.getcwd(), 'examples',
-                                     'keystone-manifest.yaml')
+        manifest_path = os.path.join(
+            os.getcwd(), 'examples', 'keystone-manifest.yaml')
         with open(manifest_path, 'r') as f:
             payload = f.read()
         documents = list(yaml.safe_load_all(payload))
@@ -59,14 +59,14 @@ class TestReleasesManifestControllerTest(base.BaseControllerTest):
         m_tiller.__exit__.assert_called()
 
 
-@mock.patch.object(test.TestReleasesReleaseNameController, 'handle',
-                   test.TestReleasesReleaseNameController.handle.__wrapped__)
+@mock.patch.object(
+    test.TestReleasesReleaseNameController, 'handle',
+    test.TestReleasesReleaseNameController.handle.__wrapped__)
 class TestReleasesReleaseNameControllerTest(base.BaseControllerTest):
-
     @mock.patch.object(test.Test, 'test_release_for_success')
     @mock.patch.object(api, 'Tiller')
-    def test_test_controller_test_pass(self, mock_tiller,
-                                       mock_test_release_for_success):
+    def test_test_controller_test_pass(
+            self, mock_tiller, mock_test_release_for_success):
         rules = {'armada:test_release': '@'}
         self.policy.set_rules(rules)
 
@@ -79,14 +79,15 @@ class TestReleasesReleaseNameControllerTest(base.BaseControllerTest):
         resp = self.app.simulate_get('/api/v1.0/test/{}'.format(release))
         mock_test_release_for_success.assert_called_once()
         self.assertEqual(200, resp.status_code)
-        self.assertEqual('MESSAGE: Test Pass',
-                         json.loads(resp.text)['message'])
+        self.assertEqual(
+            'MESSAGE: Test Pass',
+            json.loads(resp.text)['message'])
         m_tiller.__exit__.assert_called()
 
     @mock.patch.object(test.Test, 'test_release_for_success')
     @mock.patch.object(api, 'Tiller')
-    def test_test_controller_test_fail(self, mock_tiller,
-                                       mock_test_release_for_success):
+    def test_test_controller_test_fail(
+            self, mock_tiller, mock_test_release_for_success):
         rules = {'armada:test_release': '@'}
         self.policy.set_rules(rules)
 
@@ -97,14 +98,15 @@ class TestReleasesReleaseNameControllerTest(base.BaseControllerTest):
         release = 'fake-release'
         resp = self.app.simulate_get('/api/v1.0/test/{}'.format(release))
         self.assertEqual(200, resp.status_code)
-        self.assertEqual('MESSAGE: Test Fail',
-                         json.loads(resp.text)['message'])
+        self.assertEqual(
+            'MESSAGE: Test Fail',
+            json.loads(resp.text)['message'])
         m_tiller.__exit__.assert_called()
 
     @mock.patch.object(test.Test, 'test_release_for_success')
     @mock.patch.object(api, 'Tiller')
-    def test_test_controller_cleanup(self, mock_tiller,
-                                     mock_test_release_for_success):
+    def test_test_controller_cleanup(
+            self, mock_tiller, mock_test_release_for_success):
         rules = {'armada:test_release': '@'}
         self.policy.set_rules(rules)
 
@@ -117,16 +119,17 @@ class TestReleasesReleaseNameControllerTest(base.BaseControllerTest):
             '/api/v1.0/test/{}'.format(release), query_string='cleanup=true')
         mock_test_release_for_success.assert_called_once()
         self.assertEqual(200, resp.status_code)
-        self.assertEqual('MESSAGE: Test Pass',
-                         json.loads(resp.text)['message'])
+        self.assertEqual(
+            'MESSAGE: Test Pass',
+            json.loads(resp.text)['message'])
         m_tiller.__exit__.assert_called()
 
 
 @test_utils.attr(type=['negative'])
-@mock.patch.object(test.TestReleasesManifestController, 'handle',
-                   test.TestReleasesManifestController.handle.__wrapped__)
+@mock.patch.object(
+    test.TestReleasesManifestController, 'handle',
+    test.TestReleasesManifestController.handle.__wrapped__)
 class TestReleasesManifestControllerNegativeTest(base.BaseControllerTest):
-
     @mock.patch.object(test, 'Manifest')
     @mock.patch.object(api, 'Tiller')
     @mock.patch.object(test.Test, 'test_release_for_success')
@@ -148,8 +151,8 @@ class TestReleasesManifestControllerNegativeTest(base.BaseControllerTest):
         rules = {'armada:test_manifest': '@'}
         self.policy.set_rules(rules)
 
-        manifest_path = os.path.join(os.getcwd(), 'examples',
-                                     'keystone-manifest.yaml')
+        manifest_path = os.path.join(
+            os.getcwd(), 'examples', 'keystone-manifest.yaml')
         with open(manifest_path, 'r') as f:
             payload = f.read()
 
@@ -166,22 +169,22 @@ class TestReleasesManifestControllerNegativeTest(base.BaseControllerTest):
         resp_body = json.loads(resp.text)
         self.assertEqual(400, resp_body['code'])
         self.assertEqual(1, resp_body['details']['errorCount'])
-        self.assertIn({
-            'message':
-            ('An error occurred while building chart group: '
-             'Could not build ChartGroup named "keystone-infra-services".'),
-            'error':
-            True,
-            'kind':
-            'ValidationMessage',
-            'level':
-            'Error',
-            'name':
-            'ARM001',
-            'documents': []
-        }, resp_body['details']['messageList'])
-        self.assertEqual(('Failed to validate documents or generate Armada '
-                          'Manifest from documents.'), resp_body['message'])
+        self.assertIn(
+            {
+                'message': (
+                    'An error occurred while building chart group: '
+                    'Could not build ChartGroup named '
+                    '"keystone-infra-services".'),
+                'error': True,
+                'kind': 'ValidationMessage',
+                'level': 'Error',
+                'name': 'ARM001',
+                'documents': []
+            }, resp_body['details']['messageList'])
+        self.assertEqual(
+            (
+                'Failed to validate documents or generate Armada '
+                'Manifest from documents.'), resp_body['message'])
         m_tiller.__exit__.assert_called()
 
     @mock.patch('armada.utils.validate.Manifest')
@@ -194,8 +197,8 @@ class TestReleasesManifestControllerNegativeTest(base.BaseControllerTest):
         mock_manifest.return_value.get_manifest.side_effect = (
             manifest_exceptions.ManifestException(details='foo'))
 
-        manifest_path = os.path.join(os.getcwd(), 'examples',
-                                     'keystone-manifest.yaml')
+        manifest_path = os.path.join(
+            os.getcwd(), 'examples', 'keystone-manifest.yaml')
         with open(manifest_path, 'r') as f:
             payload = f.read()
 
@@ -208,27 +211,28 @@ class TestReleasesManifestControllerNegativeTest(base.BaseControllerTest):
         resp_body = json.loads(resp.text)
         self.assertEqual(400, resp_body['code'])
         self.assertEqual(1, resp_body['details']['errorCount'])
-        self.assertEqual([{
-            'message':
-            ('An error occurred while generating the manifest: foo.'),
-            'error':
-            True,
-            'kind':
-            'ValidationMessage',
-            'level':
-            'Error',
-            'name':
-            'ARM001',
-            'documents': []
-        }], resp_body['details']['messageList'])
-        self.assertEqual(('Failed to validate documents or generate Armada '
-                          'Manifest from documents.'), resp_body['message'])
+        self.assertEqual(
+            [
+                {
+                    'message': (
+                        'An error occurred while generating the manifest: foo.'
+                    ),
+                    'error': True,
+                    'kind': 'ValidationMessage',
+                    'level': 'Error',
+                    'name': 'ARM001',
+                    'documents': []
+                }
+            ], resp_body['details']['messageList'])
+        self.assertEqual(
+            (
+                'Failed to validate documents or generate Armada '
+                'Manifest from documents.'), resp_body['message'])
         m_tiller.__exit__.assert_called()
 
 
 @test_utils.attr(type=['negative'])
 class TestReleasesReleaseNameControllerNegativeTest(base.BaseControllerTest):
-
     @mock.patch.object(api, 'Tiller')
     @mock.patch.object(test.Test, 'test_release_for_success')
     def test_test_controller_tiller_exc_returns_500(
@@ -243,9 +247,8 @@ class TestReleasesReleaseNameControllerNegativeTest(base.BaseControllerTest):
         self.assertEqual(500, resp.status_code)
 
 
-class TestReleasesReleaseNameControllerNegativeRbacTest(
-        base.BaseControllerTest):
-
+class TestReleasesReleaseNameControllerNegativeRbacTest(base.BaseControllerTest
+                                                        ):
     @test_utils.attr(type=['negative'])
     def test_test_release_insufficient_permissions(self):
         """Tests the GET /api/v1.0/test/{release} endpoint returns 403
@@ -258,7 +261,6 @@ class TestReleasesReleaseNameControllerNegativeRbacTest(
 
 
 class TestReleasesManifestControllerNegativeRbacTest(base.BaseControllerTest):
-
     @test_utils.attr(type=['negative'])
     def test_test_manifest_insufficient_permissions(self):
         """Tests the POST /api/v1.0/tests endpoint returns 403 following failed

armada/tests/unit/api/test_tiller_controller.py

@@ -13,7 +13,6 @@
 # limitations under the License.
 
 import mock
-
 from oslo_config import cfg
 
 from armada import api
@@ -25,7 +24,6 @@ CONF = cfg.CONF
 
 
 class TillerControllerTest(base.BaseControllerTest):
-
     @mock.patch.object(api, 'Tiller')
     def test_get_tiller_status(self, mock_tiller):
         """Tests GET /api/v1.0/status endpoint."""
@@ -140,7 +138,6 @@ class TillerControllerTest(base.BaseControllerTest):
 
 
 class TillerControllerNegativeRbacTest(base.BaseControllerTest):
-
     @test_utils.attr(type=['negative'])
     def test_list_tiller_releases_insufficient_permissions(self):
         """Tests the GET /api/v1.0/releases endpoint returns 403 following

armada/tests/unit/api/test_validation_controller.py

@@ -18,7 +18,6 @@ from armada.tests.unit.api import base
 
 
 class ValidationControllerNegativeRbacTest(base.BaseControllerTest):
-
     @test_utils.attr(type=['negative'])
     def test_validate_manifest_insufficient_permissions(self):
         """Tests the POST /api/v1.0/validate endpoint returns 403 following

armada/tests/unit/api/test_versions_controller.py

@@ -16,7 +16,6 @@ from armada.tests.unit.api import base
 
 
 class VersionsControllerTest(base.BaseControllerTest):
-
     def test_list_versions(self):
         """
         Validate that /api/v1.0/health returns 204.

armada/tests/unit/base.py

@@ -42,7 +42,6 @@ def is_connected():
 
 
 class ArmadaTestCase(testtools.TestCase):
-
     def setUp(self):
         super(ArmadaTestCase, self).setUp()
         self.useFixture(fixtures.FakeLogger('armada'))

armada/tests/unit/common/test_policy.py

@@ -10,10 +10,9 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-import testtools
-
 import mock
 from oslo_policy import policy as common_policy
+import testtools
 
 from armada.common import policy
 from armada import conf as cfg
@@ -24,7 +23,6 @@ CONF = cfg.CONF
 
 
 class PolicyTestCase(testtools.TestCase):
-
     def setUp(self):
         super(PolicyTestCase, self).setUp()
         self.rules = {
@@ -48,8 +46,9 @@ class PolicyTestCase(testtools.TestCase):
         action = "example:nope"
         mock_ctx.to_policy_view.return_value = self.credentials
 
-        self.assertRaises(exc.ActionForbidden, policy._enforce_policy, action,
-                          self.target, mock_ctx)
+        self.assertRaises(
+            exc.ActionForbidden, policy._enforce_policy, action, self.target,
+            mock_ctx)
         mock_log.exception.assert_called_once_with(
             'Policy not registered for %(action)s', {'action': 'example:nope'})
 
@@ -67,5 +66,6 @@ class PolicyTestCase(testtools.TestCase):
         action = "armada:create_endpoints"
         mock_ctx.to_policy_view.return_value = self.credentials
 
-        self.assertRaises(exc.ActionForbidden, policy._enforce_policy, action,
-                          self.target, mock_ctx)
+        self.assertRaises(
+            exc.ActionForbidden, policy._enforce_policy, action, self.target,
+            mock_ctx)

armada/tests/unit/common/test_session.py

@@ -12,15 +12,13 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-import testtools
-
 import responses
+import testtools
 
 from armada.common.session import ArmadaSession
 
 
 class SessionTestCase(testtools.TestCase):
-
     def test_create_session(self):
         """Tests setting up an Armada session"""
         sess = ArmadaSession("testarmada")

armada/tests/unit/fixtures.py

@@ -19,13 +19,13 @@
 from __future__ import absolute_import
 
 import os
-import yaml
 
 import fixtures
 import mock
 from oslo_config import cfg
 from oslo_policy import opts as policy_opts
 from oslo_policy import policy as oslo_policy
+import yaml
 
 from armada.common import policies
 import armada.common.policy

armada/tests/unit/handlers/test_armada.py

@@ -145,15 +145,15 @@ data:
       enabled: true
 """
 
-CHART_SOURCES = [('git://opendev.org/dummy/armada.git', 'chart_1'),
-                 ('/tmp/dummy/armada', 'chart_2'),
-                 ('/tmp/dummy/armada', 'chart_3'),
-                 ('/tmp/dummy/armada', 'chart_4')]
+CHART_SOURCES = [
+    ('git://opendev.org/dummy/armada.git', 'chart_1'),
+    ('/tmp/dummy/armada', 'chart_2'), ('/tmp/dummy/armada', 'chart_3'),
+    ('/tmp/dummy/armada', 'chart_4')
+]
 
 
 # TODO(seaneagan): Add unit tests with dependencies, including transitive.
 class ArmadaHandlerTestCase(base.ArmadaTestCase):
-
     def _test_pre_flight_ops(self, armada_obj):
         armada_obj.pre_flight_ops()
 
@@ -343,8 +343,8 @@ class ArmadaHandlerTestCase(base.ArmadaTestCase):
         armada_obj.post_flight_ops()
 
         for group in armada_obj.manifest['data']['chart_groups']:
-            for counter, chart in enumerate(
-                    group.get(const.KEYWORD_DATA).get(const.KEYWORD_CHARTS)):
+            for counter, chart in enumerate(group.get(const.KEYWORD_DATA).get(
+                    const.KEYWORD_CHARTS)):
                 if chart.get(
                         const.KEYWORD_DATA).get('source').get('type') == 'git':
                     mock_source.source_cleanup.assert_called_with(
@@ -355,20 +355,22 @@ class ArmadaHandlerTestCase(base.ArmadaTestCase):
     # run sync tests for unsequenced as well by moving them to separate test
     # class with two separate subclasses which set chart group `sequenced`
     # field, one to true, one to false.
-    def _test_sync(self,
-                   known_releases,
-                   test_success=True,
-                   test_failure_to_run=False,
-                   expected_last_test_result=None,
-                   diff={'some_key': {'some diff'}}):
+    def _test_sync(
+            self,
+            known_releases,
+            test_success=True,
+            test_failure_to_run=False,
+            expected_last_test_result=None,
+            diff={'some_key': {'some diff'}}):
         """Test install functionality from the sync() method."""
 
         @mock.patch.object(armada.Armada, 'post_flight_ops')
         @mock.patch.object(armada.Armada, 'pre_flight_ops')
         @mock.patch('armada.handlers.chart_deploy.ChartBuilder')
         @mock.patch('armada.handlers.chart_deploy.Test')
-        def _do_test(mock_test, mock_chartbuilder, mock_pre_flight,
-                     mock_post_flight):
+        def _do_test(
+                mock_test, mock_chartbuilder, mock_pre_flight,
+                mock_post_flight):
             # Instantiate Armada object.
             yaml_documents = list(yaml.safe_load_all(TEST_YAML))
 
@@ -417,8 +419,8 @@ class ArmadaHandlerTestCase(base.ArmadaTestCase):
                 release_name = release_prefixer(prefix, release)
                 # Simplified check because the actual code uses logical-or's
                 # multiple conditions, so this is enough.
-                native_wait_enabled = (chart['wait'].get('native', {}).get(
-                    'enabled', True))
+                native_wait_enabled = (
+                    chart['wait'].get('native', {}).get('enabled', True))
 
                 if release_name not in [x.name for x in known_releases]:
                     expected_install_release_calls.append(
@@ -503,8 +505,8 @@ class ArmadaHandlerTestCase(base.ArmadaTestCase):
             any_order = not chart_group['sequenced']
             # Verify that at least 1 release is either installed or updated.
             self.assertTrue(
-                len(expected_install_release_calls) >= 1 or
-                len(expected_update_release_calls) >= 1)
+                len(expected_install_release_calls) >= 1
+                or len(expected_update_release_calls) >= 1)
             # Verify that the expected number of non-deployed releases are
             # installed with expected arguments.
             self.assertEqual(
@@ -549,8 +551,8 @@ class ArmadaHandlerTestCase(base.ArmadaTestCase):
         chart = self._get_chart_by_name(name)
 
         def get_test_result(success):
-            status = (TESTRUN_STATUS_SUCCESS
-                      if success else TESTRUN_STATUS_FAILURE)
+            status = (
+                TESTRUN_STATUS_SUCCESS if success else TESTRUN_STATUS_FAILURE)
             return mock.Mock(status=status)
 
         last_test_suite_run = None
@@ -658,14 +660,12 @@ class ArmadaHandlerTestCase(base.ArmadaTestCase):
         self.assertRaises(ChartDeployException, _test_method)
 
     def test_armada_sync_test_failure(self):
-
         def _test_method():
             self._test_sync([], test_success=False)
 
         self.assertRaises(ChartDeployException, _test_method)
 
     def test_armada_sync_test_failure_to_run(self):
-
         def _test_method():
             self._test_sync([], test_failure_to_run=True)
 
@@ -673,15 +673,16 @@ class ArmadaHandlerTestCase(base.ArmadaTestCase):
 
 
 class ArmadaNegativeHandlerTestCase(base.ArmadaTestCase):
-
     @mock.patch.object(armada, 'source')
     def test_armada_get_manifest_exception(self, mock_source):
         """Test armada handling with invalid manifest."""
         yaml_documents = list(yaml.safe_load_all(TEST_YAML))
-        error_re = ('.*Documents must include at least one of each of .* and '
-                    'only one .*')
-        self.assertRaisesRegexp(ManifestException, error_re, armada.Armada,
-                                yaml_documents[:1], mock.MagicMock())
+        error_re = (
+            '.*Documents must include at least one of each of .* and '
+            'only one .*')
+        self.assertRaisesRegexp(
+            ManifestException, error_re, armada.Armada, yaml_documents[:1],
+            mock.MagicMock())
 
     @mock.patch.object(armada, 'source')
     def test_armada_override_exception(self, mock_source):

armada/tests/unit/handlers/test_chartbuilder.py

@@ -15,13 +15,13 @@
 import inspect
 import os
 import shutil
-import yaml
 
 import fixtures
 from hapi.chart.chart_pb2 import Chart
 from hapi.chart.metadata_pb2 import Metadata
 import mock
 import testtools
+import yaml
 
 from armada import const
 from armada.handlers.chartbuilder import ChartBuilder
@@ -137,14 +137,13 @@ class BaseChartBuilderTestCase(testtools.TestCase):
 
 
 class ChartBuilderTestCase(BaseChartBuilderTestCase):
-
     def test_source_clone(self):
         # Create a temporary directory with Chart.yaml that contains data
         # from ``self.chart_yaml``.
         chart_dir = self.useFixture(fixtures.TempDir())
         self.addCleanup(shutil.rmtree, chart_dir.path)
-        self._write_temporary_file_contents(chart_dir.path, 'Chart.yaml',
-                                            self.chart_yaml)
+        self._write_temporary_file_contents(
+            chart_dir.path, 'Chart.yaml', self.chart_yaml)
 
         chartbuilder = ChartBuilder(self._get_test_chart(chart_dir))
 
@@ -158,8 +157,9 @@ class ChartBuilderTestCase(BaseChartBuilderTestCase):
 
         chartbuilder = ChartBuilder(self._get_test_chart(chart_dir))
 
-        self.assertRaises(chartbuilder_exceptions.MetadataLoadException,
-                          chartbuilder.get_metadata)
+        self.assertRaises(
+            chartbuilder_exceptions.MetadataLoadException,
+            chartbuilder.get_metadata)
 
     def test_get_files(self):
         """Validates that ``get_files()`` ignores 'Chart.yaml', 'values.yaml'
@@ -206,8 +206,8 @@ class ChartBuilderTestCase(BaseChartBuilderTestCase):
         # that that logic has already been performed.
         chart_dir = self.useFixture(fixtures.TempDir())
         self.addCleanup(shutil.rmtree, chart_dir.path)
-        self._write_temporary_file_contents(chart_dir.path, 'Chart.yaml',
-                                            self.chart_yaml)
+        self._write_temporary_file_contents(
+            chart_dir.path, 'Chart.yaml', self.chart_yaml)
         ch = yaml.safe_load(self.chart_stream)
         ch['data']['source_dir'] = (chart_dir.path, '')
 
@@ -215,7 +215,8 @@ class ChartBuilderTestCase(BaseChartBuilderTestCase):
         chartbuilder = ChartBuilder(test_chart)
         helm_chart = chartbuilder.get_helm_chart()
 
-        expected = inspect.cleandoc("""
+        expected = inspect.cleandoc(
+            """
             metadata {
               name: "hello-world-chart"
               version: "0.1.0"
@@ -234,10 +235,10 @@ class ChartBuilderTestCase(BaseChartBuilderTestCase):
         chart_dir = self.useFixture(fixtures.TempDir())
         self.addCleanup(shutil.rmtree, chart_dir.path)
 
-        self._write_temporary_file_contents(chart_dir.path, 'Chart.yaml',
-                                            self.chart_yaml)
-        self._write_temporary_file_contents(chart_dir.path, 'values.yaml',
-                                            self.chart_value)
+        self._write_temporary_file_contents(
+            chart_dir.path, 'Chart.yaml', self.chart_yaml)
+        self._write_temporary_file_contents(
+            chart_dir.path, 'values.yaml', self.chart_value)
 
         ch = yaml.safe_load(self.chart_stream)
         ch['data']['source_dir'] = (chart_dir.path, '')
@@ -257,15 +258,15 @@ class ChartBuilderTestCase(BaseChartBuilderTestCase):
         chart_dir = self.useFixture(fixtures.TempDir())
         self.addCleanup(shutil.rmtree, chart_dir.path)
         # Chart.yaml is mandatory for `ChartBuilder.get_metadata`.
-        self._write_temporary_file_contents(chart_dir.path, 'Chart.yaml',
-                                            self.chart_yaml)
+        self._write_temporary_file_contents(
+            chart_dir.path, 'Chart.yaml', self.chart_yaml)
         self._write_temporary_file_contents(chart_dir.path, 'foo', "foobar")
         self._write_temporary_file_contents(chart_dir.path, 'bar', "bazqux")
 
         # Also create a nested directory and verify that files from it are also
         # added.
-        nested_dir = self._make_temporary_subdirectory(chart_dir.path,
-                                                       'nested')
+        nested_dir = self._make_temporary_subdirectory(
+            chart_dir.path, 'nested')
         self._write_temporary_file_contents(nested_dir, 'nested0', "random")
 
         ch = yaml.safe_load(self.chart_stream)
@@ -275,10 +276,11 @@ class ChartBuilderTestCase(BaseChartBuilderTestCase):
         chartbuilder = ChartBuilder(test_chart)
         helm_chart = chartbuilder.get_helm_chart()
 
-        expected_files = ('[type_url: "%s"\nvalue: "bazqux"\n, '
-                          'type_url: "%s"\nvalue: "foobar"\n, '
-                          'type_url: "%s"\nvalue: "random"\n]' %
-                          ('./bar', './foo', 'nested/nested0'))
+        expected_files = (
+            '[type_url: "%s"\nvalue: "bazqux"\n, '
+            'type_url: "%s"\nvalue: "foobar"\n, '
+            'type_url: "%s"\nvalue: "random"\n]' %
+            ('./bar', './foo', 'nested/nested0'))
 
         self.assertIsInstance(helm_chart, Chart)
         self.assertTrue(hasattr(helm_chart, 'metadata'))
@@ -300,8 +302,8 @@ class ChartBuilderTestCase(BaseChartBuilderTestCase):
         charts_nested_subdir = self._make_temporary_subdirectory(
             charts_subdir, 'extra')
 
-        self._write_temporary_file_contents(chart_dir.path, 'Chart.yaml',
-                                            self.chart_yaml)
+        self._write_temporary_file_contents(
+            chart_dir.path, 'Chart.yaml', self.chart_yaml)
         self._write_temporary_file_contents(chart_dir.path, 'foo', "foobar")
         self._write_temporary_file_contents(chart_dir.path, 'bar', "bazqux")
 
@@ -311,16 +313,16 @@ class ChartBuilderTestCase(BaseChartBuilderTestCase):
             self._write_temporary_file_contents(chart_dir.path, file, "")
         file_to_ignore = 'file_to_ignore'
         # Files to ignore within templates/ subdirectory.
-        self._write_temporary_file_contents(templates_subdir, file_to_ignore,
-                                            "")
+        self._write_temporary_file_contents(
+            templates_subdir, file_to_ignore, "")
         # Files to ignore within charts/ subdirectory.
         self._write_temporary_file_contents(charts_subdir, file_to_ignore, "")
         # Files to ignore within templates/bin subdirectory.
-        self._write_temporary_file_contents(templates_nested_subdir,
-                                            file_to_ignore, "")
+        self._write_temporary_file_contents(
+            templates_nested_subdir, file_to_ignore, "")
         # Files to ignore within charts/extra subdirectory.
-        self._write_temporary_file_contents(charts_nested_subdir,
-                                            file_to_ignore, "")
+        self._write_temporary_file_contents(
+            charts_nested_subdir, file_to_ignore, "")
         # Files to **include** within charts/ subdirectory.
         self._write_temporary_file_contents(charts_subdir, '.prov', "xyzzy")
 
@@ -331,10 +333,11 @@ class ChartBuilderTestCase(BaseChartBuilderTestCase):
         chartbuilder = ChartBuilder(test_chart)
         helm_chart = chartbuilder.get_helm_chart()
 
-        expected_files = ('[type_url: "%s"\nvalue: "bazqux"\n, '
-                          'type_url: "%s"\nvalue: "foobar"\n, '
-                          'type_url: "%s"\nvalue: "xyzzy"\n]' %
-                          ('./bar', './foo', 'charts/.prov'))
+        expected_files = (
+            '[type_url: "%s"\nvalue: "bazqux"\n, '
+            'type_url: "%s"\nvalue: "foobar"\n, '
+            'type_url: "%s"\nvalue: "xyzzy"\n]' %
+            ('./bar', './foo', 'charts/.prov'))
 
         # Validate that only relevant files are included, that the ignored
         # files are present.
@@ -349,16 +352,16 @@ class ChartBuilderTestCase(BaseChartBuilderTestCase):
         # Main chart directory and files.
         chart_dir = self.useFixture(fixtures.TempDir())
         self.addCleanup(shutil.rmtree, chart_dir.path)
-        self._write_temporary_file_contents(chart_dir.path, 'Chart.yaml',
-                                            self.chart_yaml)
+        self._write_temporary_file_contents(
+            chart_dir.path, 'Chart.yaml', self.chart_yaml)
         ch = yaml.safe_load(self.chart_stream)
         ch['data']['source_dir'] = (chart_dir.path, '')
 
         # Dependency chart directory and files.
         dep_chart_dir = self.useFixture(fixtures.TempDir())
         self.addCleanup(shutil.rmtree, dep_chart_dir.path)
-        self._write_temporary_file_contents(dep_chart_dir.path, 'Chart.yaml',
-                                            self.dependency_chart_yaml)
+        self._write_temporary_file_contents(
+            dep_chart_dir.path, 'Chart.yaml', self.dependency_chart_yaml)
         dep_ch = yaml.safe_load(self.dependency_chart_stream)
         dep_ch['data']['source_dir'] = (dep_chart_dir.path, '')
 
@@ -369,7 +372,8 @@ class ChartBuilderTestCase(BaseChartBuilderTestCase):
         chartbuilder = ChartBuilder(main_chart)
         helm_chart = chartbuilder.get_helm_chart()
 
-        expected_dependency = inspect.cleandoc("""
+        expected_dependency = inspect.cleandoc(
+            """
             metadata {
               name: "dependency-chart"
               version: "0.1.0"
@@ -379,7 +383,8 @@ class ChartBuilderTestCase(BaseChartBuilderTestCase):
             }
         """).strip()
 
-        expected = inspect.cleandoc("""
+        expected = inspect.cleandoc(
+            """
             metadata {
               name: "hello-world-chart"
               version: "0.1.0"
@@ -418,8 +423,8 @@ class ChartBuilderTestCase(BaseChartBuilderTestCase):
         # Validate base case.
         chart_dir = self.useFixture(fixtures.TempDir())
         self.addCleanup(shutil.rmtree, chart_dir.path)
-        self._write_temporary_file_contents(chart_dir.path, 'Chart.yaml',
-                                            self.chart_yaml)
+        self._write_temporary_file_contents(
+            chart_dir.path, 'Chart.yaml', self.chart_yaml)
         ch = yaml.safe_load(self.chart_stream)
         ch['data']['source_dir'] = (chart_dir.path, '')
 
@@ -432,8 +437,8 @@ class ChartBuilderTestCase(BaseChartBuilderTestCase):
         # Validate recursive case (with dependencies).
         dep_chart_dir = self.useFixture(fixtures.TempDir())
         self.addCleanup(shutil.rmtree, dep_chart_dir.path)
-        self._write_temporary_file_contents(dep_chart_dir.path, 'Chart.yaml',
-                                            self.dependency_chart_yaml)
+        self._write_temporary_file_contents(
+            dep_chart_dir.path, 'Chart.yaml', self.dependency_chart_yaml)
         dep_ch = yaml.safe_load(self.dependency_chart_stream)
         dep_ch['data']['source_dir'] = (dep_chart_dir.path, '')
 
@@ -441,7 +446,8 @@ class ChartBuilderTestCase(BaseChartBuilderTestCase):
         test_chart['data']['dependencies'] = [dependency_chart]
         chartbuilder = ChartBuilder(test_chart)
 
-        re = inspect.cleandoc("""
+        re = inspect.cleandoc(
+            """
             hello-world-chart.*A sample Helm chart for Kubernetes.*
             dependency-chart.*Another sample Helm chart for Kubernetes.*
         """).replace('\n', '').strip()
@@ -449,7 +455,6 @@ class ChartBuilderTestCase(BaseChartBuilderTestCase):
 
 
 class ChartBuilderNegativeTestCase(BaseChartBuilderTestCase):
-
     def setUp(self):
         super(ChartBuilderNegativeTestCase, self).setUp()
         # Create an exception for testing since instantiating one manually
@@ -471,13 +476,15 @@ class ChartBuilderNegativeTestCase(BaseChartBuilderTestCase):
         chartbuilder = ChartBuilder(self._get_test_chart(chart_dir))
 
         # Confirm it failed for both encodings.
-        error_re = (r'.*A str exception occurred while trying to read file:'
-                    r'.*Details:\n.*\(encoding=utf-8\).*\n\(encoding=latin1\)')
+        error_re = (
+            r'.*A str exception occurred while trying to read file:'
+            r'.*Details:\n.*\(encoding=utf-8\).*\n\(encoding=latin1\)')
         with mock.patch("builtins.open", mock.mock_open(read_data="")) \
                 as mock_file:
             mock_file.return_value.read.side_effect = self.exc_to_raise
-            self.assertRaisesRegexp(chartbuilder_exceptions.FilesLoadException,
-                                    error_re, chartbuilder.get_files)
+            self.assertRaisesRegexp(
+                chartbuilder_exceptions.FilesLoadException, error_re,
+                chartbuilder.get_files)
 
     def test_get_files_fails_once_to_read_binary_file_passes(self):
         chart_dir = self.useFixture(fixtures.TempDir())

armada/tests/unit/handlers/test_lock.py

@@ -11,20 +11,20 @@
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.
+
 import copy
 from datetime import datetime
 
+from kubernetes.client.rest import ApiException
 import mock
 import testtools
 
-from kubernetes.client.rest import ApiException
 from armada.handlers import lock
 
 
 @mock.patch('armada.handlers.lock.K8s')
 @mock.patch.object(lock.time, 'sleep', lambda x: True)
 class LockTestCase(testtools.TestCase):
-
     def __init__(self, *args, **kwargs):
         super(LockTestCase, self).__init__(*args, **kwargs)
         self.resp = None

armada/tests/unit/handlers/test_manifest.py

@@ -14,9 +14,9 @@
 
 import copy
 import os
-import yaml
 
-import testtools
+import testtools
+import yaml
 
 from armada import exceptions
 from armada.handlers import manifest
@@ -25,11 +25,10 @@ from armada.utils import validate
 
 
 class ManifestTestCase(testtools.TestCase):
-
     def setUp(self):
         super(ManifestTestCase, self).setUp()
-        examples_dir = os.path.join(os.getcwd(), 'armada', 'tests', 'unit',
-                                    'resources')
+        examples_dir = os.path.join(
+            os.getcwd(), 'armada', 'tests', 'unit', 'resources')
         with open(os.path.join(examples_dir, 'keystone-manifest.yaml')) as f:
             self.documents = list(yaml.safe_load_all(f.read()))
 
@@ -43,10 +42,10 @@ class ManifestTestCase(testtools.TestCase):
         self.assertEqual(5, len(armada_manifest.charts))
         self.assertEqual(3, len(armada_manifest.groups))
 
-        self.assertEqual([self.documents[x] for x in range(5)],
-                         armada_manifest.charts)
-        self.assertEqual([self.documents[x] for x in range(5, 8)],
-                         armada_manifest.groups)
+        self.assertEqual(
+            [self.documents[x] for x in range(5)], armada_manifest.charts)
+        self.assertEqual(
+            [self.documents[x] for x in range(5, 8)], armada_manifest.groups)
         self.assertEqual(self.documents[-1], armada_manifest.manifest)
 
     def test_get_documents_with_target_manifest(self):
@@ -62,13 +61,13 @@ class ManifestTestCase(testtools.TestCase):
         self.assertEqual(5, len(armada_manifest.charts))
         self.assertEqual(3, len(armada_manifest.groups))
 
-        self.assertEqual([self.documents[x] for x in range(5)],
-                         armada_manifest.charts)
-        self.assertEqual([self.documents[x] for x in range(5, 8)],
-                         armada_manifest.groups)
+        self.assertEqual(
+            [self.documents[x] for x in range(5)], armada_manifest.charts)
+        self.assertEqual(
+            [self.documents[x] for x in range(5, 8)], armada_manifest.groups)
         self.assertEqual(self.documents[-1], armada_manifest.manifest)
-        self.assertEqual('armada-manifest',
-                         self.documents[-1]['metadata']['name'])
+        self.assertEqual(
+            'armada-manifest', self.documents[-1]['metadata']['name'])
 
     def test_get_documents_with_multi_manifest_and_target_manifest(self):
         # Validate that specifying `target_manifest` flag returns the correct
@@ -90,29 +89,30 @@ class ManifestTestCase(testtools.TestCase):
         self.assertEqual(5, len(armada_manifest.charts))
         self.assertEqual(3, len(armada_manifest.groups))
 
-        self.assertEqual([self.documents[x] for x in range(5)],
-                         armada_manifest.charts)
-        self.assertEqual([self.documents[x] for x in range(5, 8)],
-                         armada_manifest.groups)
+        self.assertEqual(
+            [self.documents[x] for x in range(5)], armada_manifest.charts)
+        self.assertEqual(
+            [self.documents[x] for x in range(5, 8)], armada_manifest.groups)
         self.assertEqual(armada_manifest.manifest, self.documents[-1])
-        self.assertEqual('armada-manifest',
-                         armada_manifest.manifest['metadata']['name'])
+        self.assertEqual(
+            'armada-manifest', armada_manifest.manifest['metadata']['name'])
 
         # Specify the alternative manifest and verify it works.
         armada_manifest = manifest.Manifest(
             documents, target_manifest='alt-armada-manifest')
         self.assertIsNotNone(armada_manifest.manifest)
         self.assertEqual(other_manifest, armada_manifest.manifest)
-        self.assertEqual('alt-armada-manifest',
-                         armada_manifest.manifest['metadata']['name'])
+        self.assertEqual(
+            'alt-armada-manifest',
+            armada_manifest.manifest['metadata']['name'])
 
     def test_get_manifest(self):
         armada_manifest = manifest.Manifest(
             self.documents, target_manifest='armada-manifest')
         obtained_manifest = armada_manifest.get_manifest()
         self.assertIsInstance(obtained_manifest, dict)
-        self.assertEqual(obtained_manifest['data'],
-                         armada_manifest.manifest['data'])
+        self.assertEqual(
+            obtained_manifest['data'], armada_manifest.manifest['data'])
 
     def test_find_documents(self):
         armada_manifest = manifest.Manifest(self.documents)
@@ -195,15 +195,17 @@ class ManifestTestCase(testtools.TestCase):
         keystone_infra_services_chart_group = armada_manifest. \
             find_chart_group_document('keystone-infra-services')
 
-        self.assertEqual(keystone_infra_services_chart_group,
-                         built_armada_manifest['data']['chart_groups'][0])
+        self.assertEqual(
+            keystone_infra_services_chart_group,
+            built_armada_manifest['data']['chart_groups'][0])
 
         # the first chart group in the Armada manifest
         openstack_keystone_chart_group = armada_manifest. \
             find_chart_group_document('openstack-keystone')
 
-        self.assertEqual(openstack_keystone_chart_group,
-                         built_armada_manifest['data']['chart_groups'][1])
+        self.assertEqual(
+            openstack_keystone_chart_group,
+            built_armada_manifest['data']['chart_groups'][1])
 
     def test_verify_build_chart_group_deps(self):
         armada_manifest = manifest.Manifest(self.documents)
@@ -223,8 +225,9 @@ class ManifestTestCase(testtools.TestCase):
         keystone_dependencies = keystone_chart_with_deps['data'][
             'dependencies']
 
-        self.assertEqual(openstack_keystone_chart_group_deps_dep_added[0],
-                         keystone_dependencies[0])
+        self.assertEqual(
+            openstack_keystone_chart_group_deps_dep_added[0],
+            keystone_dependencies[0])
 
         # building the deps for openstack-keystone chart group
         chart_group = armada_manifest.find_chart_group_document(
@@ -248,10 +251,10 @@ class ManifestTestCase(testtools.TestCase):
         memcached_dependencies = memcached_chart_with_deps['data'][
             'dependencies']
 
-        self.assertEqual(keystone_infra_services_dep_added[0],
-                         mariadb_dependencies[0])
-        self.assertEqual(keystone_infra_services_dep_added[0],
-                         memcached_dependencies[0])
+        self.assertEqual(
+            keystone_infra_services_dep_added[0], mariadb_dependencies[0])
+        self.assertEqual(
+            keystone_infra_services_dep_added[0], memcached_dependencies[0])
 
     def test_verify_build_chart_deps(self):
         armada_manifest = manifest.Manifest(self.documents)
@@ -265,8 +268,8 @@ class ManifestTestCase(testtools.TestCase):
 
         # since not dependent on other charts, the original and modified
         # dependencies are the same
-        self.assertEqual(helm_toolkit_original_dependency,
-                         helm_toolkit_chart_with_deps)
+        self.assertEqual(
+            helm_toolkit_original_dependency, helm_toolkit_chart_with_deps)
 
         # helm-toolkit dependency, the basis for comparison of d
         # ependencies in other charts
@@ -287,8 +290,8 @@ class ManifestTestCase(testtools.TestCase):
         self.assertIsInstance(keystone_dependencies, list)
         self.assertEqual(1, len(keystone_dependencies))
 
-        self.assertEqual(expected_helm_toolkit_dependency,
-                         keystone_dependencies[0])
+        self.assertEqual(
+            expected_helm_toolkit_dependency, keystone_dependencies[0])
 
         # mariadb chart dependencies
         mariadb_chart = armada_manifest.find_chart_document('mariadb')
@@ -304,8 +307,8 @@ class ManifestTestCase(testtools.TestCase):
         self.assertIsInstance(mariadb_dependencies, list)
         self.assertEqual(1, len(mariadb_dependencies))
 
-        self.assertEqual(expected_helm_toolkit_dependency,
-                         mariadb_dependencies[0])
+        self.assertEqual(
+            expected_helm_toolkit_dependency, mariadb_dependencies[0])
 
         # memcached chart dependencies
         memcached_chart = armada_manifest.find_chart_document('memcached')
@@ -313,8 +316,8 @@ class ManifestTestCase(testtools.TestCase):
         memcached_chart_with_deps = armada_manifest.build_chart_deps(
             memcached_chart)
 
-        self.assertNotEqual(original_memcached_chart,
-                            memcached_chart_with_deps)
+        self.assertNotEqual(
+            original_memcached_chart, memcached_chart_with_deps)
         self.assertIn('data', memcached_chart_with_deps)
         self.assertIn('dependencies', memcached_chart_with_deps['data'])
 
@@ -323,16 +326,15 @@ class ManifestTestCase(testtools.TestCase):
         self.assertIsInstance(memcached_dependencies, list)
         self.assertEqual(1, len(memcached_dependencies))
 
-        self.assertEqual(expected_helm_toolkit_dependency,
-                         memcached_dependencies[0])
+        self.assertEqual(
+            expected_helm_toolkit_dependency, memcached_dependencies[0])
 
 
 class ManifestNegativeTestCase(testtools.TestCase):
-
     def setUp(self):
         super(ManifestNegativeTestCase, self).setUp()
-        examples_dir = os.path.join(os.getcwd(), 'armada', 'tests', 'unit',
-                                    'resources')
+        examples_dir = os.path.join(
+            os.getcwd(), 'armada', 'tests', 'unit', 'resources')
         with open(os.path.join(examples_dir, 'keystone-manifest.yaml')) as f:
             self.documents = list(yaml.safe_load_all(f.read()))
 
@@ -343,8 +345,9 @@ class ManifestNegativeTestCase(testtools.TestCase):
         documents.append(documents[-1])  # Copy the last manifest.
 
         error_re = r'Multiple manifests are not supported.*'
-        self.assertRaisesRegexp(exceptions.ManifestException, error_re,
-                                manifest.Manifest, documents)
+        self.assertRaisesRegexp(
+            exceptions.ManifestException, error_re, manifest.Manifest,
+            documents)
 
     def test_get_documents_multi_target_manifests_raises_value_error(self):
         # Validates that finding multiple manifests with `target_manifest`
@@ -361,10 +364,12 @@ class ManifestNegativeTestCase(testtools.TestCase):
             target_manifest='armada-manifest')
 
     def _assert_missing_documents_raises(self, documents):
-        error_re = ('.*Documents must include at least one of each of .* and '
-                    'only one .*')
-        self.assertRaisesRegexp(exceptions.ManifestException, error_re,
-                                manifest.Manifest, documents)
+        error_re = (
+            '.*Documents must include at least one of each of .* and '
+            'only one .*')
+        self.assertRaisesRegexp(
+            exceptions.ManifestException, error_re, manifest.Manifest,
+            documents)
 
     def test_get_documents_missing_manifest(self):
         # Validates exceptions.ManifestException is thrown if no manifest is
@@ -384,18 +389,19 @@ class ManifestNegativeTestCase(testtools.TestCase):
 
     def test_find_chart_document_negative(self):
         armada_manifest = manifest.Manifest(self.documents)
-        error_re = r'.*Could not find %s named "%s"' % (schema.TYPE_CHART,
-                                                        'invalid')
-        self.assertRaisesRegexp(exceptions.BuildChartException, error_re,
-                                armada_manifest.find_chart_document, 'invalid')
+        error_re = r'.*Could not find %s named "%s"' % (
+            schema.TYPE_CHART, 'invalid')
+        self.assertRaisesRegexp(
+            exceptions.BuildChartException, error_re,
+            armada_manifest.find_chart_document, 'invalid')
 
     def test_find_group_document_negative(self):
         armada_manifest = manifest.Manifest(self.documents)
-        error_re = r'.*Could not find %s named "%s"' % (schema.TYPE_CHARTGROUP,
-                                                        'invalid')
-        self.assertRaisesRegexp(exceptions.BuildChartGroupException, error_re,
-                                armada_manifest.find_chart_group_document,
-                                'invalid')
+        error_re = r'.*Could not find %s named "%s"' % (
+            schema.TYPE_CHARTGROUP, 'invalid')
+        self.assertRaisesRegexp(
+            exceptions.BuildChartGroupException, error_re,
+            armada_manifest.find_chart_group_document, 'invalid')
 
     def test_build_chart_deps_with_missing_dependency_fails(self):
         """Validate that attempting to build a chart that points to

armada/tests/unit/handlers/test_override.py

@@ -15,9 +15,9 @@
 import copy
 import json
 import os
-import yaml
 
 import testtools
+import yaml
 
 from armada.handlers.override import Override
 from armada.handlers import schema
@@ -25,7 +25,6 @@ from armada.exceptions import override_exceptions
 
 
 class OverrideTestCase(testtools.TestCase):
-
     def setUp(self):
         super(OverrideTestCase, self).setUp()
         self.basepath = os.path.join(os.path.dirname(__file__))
@@ -80,8 +79,9 @@ class OverrideTestCase(testtools.TestCase):
         ][0]
         self.assertEqual('overridden', target_doc['data']['release_prefix'])
 
-        override = ('manifest:simple-armada:chart_groups='
-                    'blog-group3,blog-group4', )
+        override = (
+            'manifest:simple-armada:chart_groups='
+            'blog-group3,blog-group4', )
 
         # Case 2: Checking if list gets updated.
         ovr = Override(original_documents, override, [values_yaml])
@@ -93,8 +93,9 @@ class OverrideTestCase(testtools.TestCase):
         with open(comparison_yaml) as c:
             comparison_documents = list(yaml.safe_load_all(c.read()))
         # verifying that the override is correct
-        self.assertEqual(original_documents[2]['data']['chart_groups'],
-                         comparison_documents[0]['data']['chart_groups'])
+        self.assertEqual(
+            original_documents[2]['data']['chart_groups'],
+            comparison_documents[0]['data']['chart_groups'])
 
     def test_update_manifests_invalid_override_format(self):
         with open(self.base_manifest) as f:
@@ -141,8 +142,9 @@ class OverrideTestCase(testtools.TestCase):
         ovr.update_document(documents_modified[0])
 
         # after the update, both documents are equal
-        self.assertEqual(ovr.documents[0]['data']['chart_name'],
-                         documents_modified[0]['data']['chart_name'])
+        self.assertEqual(
+            ovr.documents[0]['data']['chart_name'],
+            documents_modified[0]['data']['chart_name'])
         self.assertEqual(ovr.documents[0], documents_modified[0])
 
         # Case 2: Checking if dictionaries get updated
@@ -151,8 +153,9 @@ class OverrideTestCase(testtools.TestCase):
         ovr.update_document(documents_modified[0])
 
         # after the update, both documents are equal
-        self.assertEqual(ovr.documents[0]['data']['values'],
-                         documents_modified[0]['data']['values'])
+        self.assertEqual(
+            ovr.documents[0]['data']['values'],
+            documents_modified[0]['data']['values'])
         self.assertEqual(ovr.documents[0], documents_modified[0])
 
         # Case 3: Checking if lists get updated
@@ -161,10 +164,11 @@ class OverrideTestCase(testtools.TestCase):
         ovr.update_document(documents_modified[0])
 
         # after the update, both documents are equal
-        self.assertEqual(['foo', 'bar'],
-                         ovr.documents[0]['data']['dependencies'])
-        self.assertEqual(documents_modified[0]['data']['dependencies'],
-                         ovr.documents[0]['data']['dependencies'])
+        self.assertEqual(
+            ['foo', 'bar'], ovr.documents[0]['data']['dependencies'])
+        self.assertEqual(
+            documents_modified[0]['data']['dependencies'],
+            ovr.documents[0]['data']['dependencies'])
         self.assertEqual(ovr.documents[0], documents_modified[0])
 
     def test_update_chart_document_keys_not_removed_with_override(self):
@@ -198,8 +202,9 @@ class OverrideTestCase(testtools.TestCase):
         ovr.update_document(documents_modified[1])
 
         # after the update, both documents are equal
-        self.assertEqual(ovr.documents[1]['data']['sequenced'],
-                         documents_modified[1]['data']['sequenced'])
+        self.assertEqual(
+            ovr.documents[1]['data']['sequenced'],
+            documents_modified[1]['data']['sequenced'])
         self.assertEqual(ovr.documents[1], documents_modified[1])
 
     def test_update_chart_group_document_keys_not_removed_with_override(self):
@@ -233,8 +238,9 @@ class OverrideTestCase(testtools.TestCase):
         ovr.update_document(documents_modified[2])
 
         # after the update, both documents are equal
-        self.assertEqual(ovr.documents[2]['data']['release_prefix'],
-                         documents_modified[2]['data']['release_prefix'])
+        self.assertEqual(
+            ovr.documents[2]['data']['release_prefix'],
+            documents_modified[2]['data']['release_prefix'])
         self.assertEqual(ovr.documents[2], documents_modified[2])
 
     def test_update_armada_manifest_keys_not_removed_with_override(self):
@@ -278,7 +284,8 @@ class OverrideTestCase(testtools.TestCase):
         with open(self.base_manifest) as f, open(expected) as e:
             documents = list(yaml.safe_load_all(f.read()))
             doc_path = ['manifest', 'simple-armada']
-            override = ('manifest:simple-armada:chart_groups=\
+            override = (
+                'manifest:simple-armada:chart_groups=\
                          blog-group3,blog-group4', )
             ovr = Override(documents, override)
             ovr.update_manifests()
@@ -312,7 +319,6 @@ class OverrideTestCase(testtools.TestCase):
 
 
 class OverrideNegativeTestCase(testtools.TestCase):
-
     def setUp(self):
         super(OverrideNegativeTestCase, self).setUp()
         self.basepath = os.path.join(os.path.dirname(__file__))
@@ -342,8 +348,9 @@ class OverrideNegativeTestCase(testtools.TestCase):
 
         override = ('manifest:simple-armada:name=' 'overridden', )
         ovr = Override(original_documents, override)
-        self.assertRaises(override_exceptions.InvalidOverrideValueException,
-                          ovr.update_manifests)
+        self.assertRaises(
+            override_exceptions.InvalidOverrideValueException,
+            ovr.update_manifests)
 
     def test_load_yaml_file_invalid(self):
         missing_yaml = "{}/templates/non_existing_yaml.yaml". \
@@ -351,15 +358,16 @@ class OverrideNegativeTestCase(testtools.TestCase):
         with open(self.base_manifest) as f:
             documents = list(yaml.safe_load_all(f.read()))
             ovr = Override(documents)
-            self.assertRaises(override_exceptions.InvalidOverrideFileException,
-                              ovr._load_yaml_file, missing_yaml)
+            self.assertRaises(
+                override_exceptions.InvalidOverrideFileException,
+                ovr._load_yaml_file, missing_yaml)
 
     def test_find_document_type_invalid(self):
         with open(self.base_manifest) as f:
             documents = list(yaml.safe_load_all(f.read()))
             ovr = Override(documents)
-            self.assertRaises(ValueError, ovr.find_document_type,
-                              'non_existing_document')
+            self.assertRaises(
+                ValueError, ovr.find_document_type, 'non_existing_document')
 
     def test_convert_array_to_dict_invalid(self):
         data_path = ['a', 'b', 'c']

armada/tests/unit/handlers/test_release_diff.py

@@ -12,20 +12,19 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-from armada.handlers.release_diff import ReleaseDiff
-from armada.tests.unit import base
-
 from google.protobuf.any_pb2 import Any
 from hapi.chart.chart_pb2 import Chart
 from hapi.chart.config_pb2 import Config
 from hapi.chart.metadata_pb2 import Metadata
 from hapi.chart.template_pb2 import Template
 
+from armada.handlers.release_diff import ReleaseDiff
+from armada.tests.unit import base
+
 
 # Tests for diffs which can occur in both top-level or dependency charts,
 # and thus are inherited by both of those test classes.
 class _BaseReleaseDiffTestCase():
-
     def setUp(self):
         super(base.ArmadaTestCase, self).setUp()
         self.old_chart = self.make_chart()
@@ -67,8 +66,9 @@ class _BaseReleaseDiffTestCase():
         new_chart = self.make_chart()
         chart_to_update = self.get_chart_to_update(new_chart)
         update_chart(chart_to_update)
-        diff = ReleaseDiff(self.old_chart, self.old_values, new_chart,
-                           self.old_values).get_diff()
+        diff = ReleaseDiff(
+            self.old_chart, self.old_values, new_chart,
+            self.old_values).get_diff()
         self.assertTrue(diff)
 
     def get_chart_to_update(self, chart):
@@ -78,89 +78,82 @@ class _BaseReleaseDiffTestCase():
         new_chart = self.make_chart()
         chart_to_update = self.get_chart_to_update(new_chart)
         chart_to_update.metadata.description = 'new chart description'
-        diff = ReleaseDiff(self.old_chart, self.old_values, new_chart,
-                           self.old_values).get_diff()
+        diff = ReleaseDiff(
+            self.old_chart, self.old_values, new_chart,
+            self.old_values).get_diff()
         self.assertFalse(diff)
 
     def test_metadata_name_diff(self):
-
         def update_chart(chart):
             chart.metadata.name = 'new_chart_name'
 
         self._test_chart_diff(update_chart)
 
     def test_default_values_diff(self):
-
         def update_chart(chart):
             chart.values.raw = '{param: d2}'
 
         self._test_chart_diff(update_chart)
 
     def test_template_name_diff(self):
-
         def update_chart(chart):
             chart.templates[0].name = 'new_template_name'
 
         self._test_chart_diff(update_chart)
 
     def test_template_data_diff(self):
-
         def update_chart(chart):
             chart.templates[0].data = 'new template content'.encode()
 
         self._test_chart_diff(update_chart)
 
     def test_add_template_diff(self):
-
         def update_chart(chart):
-            chart.templates.extend([
-                Template(
-                    name='new_template_name',
-                    data='new template content'.encode())
-            ])
+            chart.templates.extend(
+                [
+                    Template(
+                        name='new_template_name',
+                        data='new template content'.encode())
+                ])
 
         self._test_chart_diff(update_chart)
 
     def test_remove_template_diff(self):
-
         def update_chart(chart):
             del chart.templates[0]
 
         self._test_chart_diff(update_chart)
 
     def test_file_type_url_diff(self):
-
         def update_chart(chart):
             chart.files[0].type_url = './new_file_name.ext'
 
         self._test_chart_diff(update_chart)
 
     def test_file_value_diff(self):
-
         def update_chart(chart):
             chart.files[0].value = 'new file content'.encode()
 
         self._test_chart_diff(update_chart)
 
     def test_add_file_diff(self):
-
         def update_chart(chart):
-            chart.files.extend([
-                Any(type_url='./new_file_name.ext',
-                    value='new file content'.encode())
-            ])
+            chart.files.extend(
+                [
+                    Any(
+                        type_url='./new_file_name.ext',
+                        value='new file content'.encode())
+                ])
 
         self._test_chart_diff(update_chart)
 
     def test_remove_file_diff(self):
-
         def update_chart(chart):
             del chart.files[0]
 
         self._test_chart_diff(update_chart)
 
     def test_add_dependency_diff(self):
-
         def update_chart(chart):
             dep = self._make_chart()
             dep.metadata.name = 'dep2'
@@ -169,7 +162,6 @@ class _BaseReleaseDiffTestCase():
         self._test_chart_diff(update_chart)
 
     def test_remove_dependency_diff(self):
-
         def update_chart(chart):
             del chart.dependencies[0]
 
@@ -178,26 +170,26 @@ class _BaseReleaseDiffTestCase():
 
 # Test diffs (or absence of) in top-level chart / values.
 class ReleaseDiffTestCase(_BaseReleaseDiffTestCase, base.ArmadaTestCase):
-
     def get_chart_to_update(self, chart):
         return chart
 
     def test_same_input_no_diff(self):
-        diff = ReleaseDiff(self.old_chart, self.old_values, self.make_chart(),
-                           self.make_values()).get_diff()
+        diff = ReleaseDiff(
+            self.old_chart, self.old_values, self.make_chart(),
+            self.make_values()).get_diff()
         self.assertFalse(diff)
 
     def test_override_values_diff(self):
         new_values = {'param': 'o2'}
-        diff = ReleaseDiff(self.old_chart, self.old_values, self.old_chart,
-                           new_values).get_diff()
+        diff = ReleaseDiff(
+            self.old_chart, self.old_values, self.old_chart,
+            new_values).get_diff()
         self.assertTrue(diff)
 
 
 # Test diffs in dependencies.
 class DependencyReleaseDiffTestCase(_BaseReleaseDiffTestCase,
                                     base.ArmadaTestCase):
-
     def get_chart_to_update(self, chart):
         return chart.dependencies[0]
 
@@ -205,6 +197,5 @@ class DependencyReleaseDiffTestCase(_BaseReleaseDiffTestCase,
 # Test diffs in transitive dependencies.
 class TransitiveDependencyReleaseDiffTestCase(_BaseReleaseDiffTestCase,
                                               base.ArmadaTestCase):
-
     def get_chart_to_update(self, chart):
         return chart.dependencies[0].dependencies[0]

armada/tests/unit/handlers/test_test.py

@@ -15,7 +15,6 @@
 import mock
 
 from armada import const
-
 from armada.handlers import test
 from armada.handlers import tiller
 from armada.tests.unit import base
@@ -24,9 +23,7 @@ from armada.utils import helm
 
 
 class TestHandlerTestCase(base.ArmadaTestCase):
-
     def _test_test_release_for_success(self, expected_success, results):
-
         @mock.patch('armada.handlers.tiller.K8s')
         def do_test(_):
             tiller_obj = tiller.Tiller('host', '8080', None)
@@ -47,26 +44,29 @@ class TestHandlerTestCase(base.ArmadaTestCase):
         self._test_test_release_for_success(True, [])
 
     def test_unknown(self):
-        self._test_test_release_for_success(False, [
-            AttrDict(**{'status': helm.TESTRUN_STATUS_SUCCESS}),
-            AttrDict(**{'status': helm.TESTRUN_STATUS_UNKNOWN})
-        ])
+        self._test_test_release_for_success(
+            False, [
+                AttrDict(**{'status': helm.TESTRUN_STATUS_SUCCESS}),
+                AttrDict(**{'status': helm.TESTRUN_STATUS_UNKNOWN})
+            ])
 
     def test_success(self):
         self._test_test_release_for_success(
             True, [AttrDict(**{'status': helm.TESTRUN_STATUS_SUCCESS})])
 
     def test_failure(self):
-        self._test_test_release_for_success(False, [
-            AttrDict(**{'status': helm.TESTRUN_STATUS_SUCCESS}),
-            AttrDict(**{'status': helm.TESTRUN_STATUS_FAILURE})
-        ])
+        self._test_test_release_for_success(
+            False, [
+                AttrDict(**{'status': helm.TESTRUN_STATUS_SUCCESS}),
+                AttrDict(**{'status': helm.TESTRUN_STATUS_FAILURE})
+            ])
 
     def test_running(self):
-        self._test_test_release_for_success(False, [
-            AttrDict(**{'status': helm.TESTRUN_STATUS_SUCCESS}),
-            AttrDict(**{'status': helm.TESTRUN_STATUS_RUNNING})
-        ])
+        self._test_test_release_for_success(
+            False, [
+                AttrDict(**{'status': helm.TESTRUN_STATUS_SUCCESS}),
+                AttrDict(**{'status': helm.TESTRUN_STATUS_RUNNING})
+            ])
 
     def test_cg_disabled(self):
         """Test that tests are disabled when a chart group disables all

armada/tests/unit/handlers/test_tiller.py

@@ -23,15 +23,15 @@ from armada.tests.test_utils import AttrDict
 
 
 class TillerTestCase(base.ArmadaTestCase):
-
     @mock.patch.object(tiller.Tiller, '_get_tiller_ip')
     @mock.patch('armada.handlers.tiller.K8s')
     @mock.patch('armada.handlers.tiller.grpc')
     @mock.patch('armada.handlers.tiller.Config')
     @mock.patch('armada.handlers.tiller.InstallReleaseRequest')
     @mock.patch('armada.handlers.tiller.ReleaseServiceStub')
-    def test_install_release(self, mock_stub, mock_install_request,
-                             mock_config, mock_grpc, mock_k8s, mock_ip):
+    def test_install_release(
+            self, mock_stub, mock_install_request, mock_config, mock_grpc,
+            mock_k8s, mock_ip):
         # instantiate Tiller object
         mock_grpc.insecure_channel.return_value = mock.Mock()
         mock_ip.return_value = '0.0.0.0'
@@ -63,8 +63,9 @@ class TillerTestCase(base.ArmadaTestCase):
             namespace=namespace,
             wait=wait,
             timeout=timeout)
-        (mock_stub(tiller_obj.channel).InstallRelease.assert_called_with(
-            release_request, timeout + 60, metadata=tiller_obj.metadata))
+        (
+            mock_stub(tiller_obj.channel).InstallRelease.assert_called_with(
+                release_request, timeout + 60, metadata=tiller_obj.metadata))
 
     @mock.patch('armada.handlers.tiller.K8s', autospec=True)
     @mock.patch.object(tiller.Tiller, '_get_tiller_ip', autospec=True)
@@ -85,10 +86,10 @@ class TillerTestCase(base.ArmadaTestCase):
 
         mock_grpc.insecure_channel.assert_called_once_with(
             '%s:%s' % (str(mock.sentinel.ip), str(mock.sentinel.port)),
-            options=[('grpc.max_send_message_length',
-                      tiller.MAX_MESSAGE_LENGTH),
-                     ('grpc.max_receive_message_length',
-                      tiller.MAX_MESSAGE_LENGTH)])
+            options=[
+                ('grpc.max_send_message_length', tiller.MAX_MESSAGE_LENGTH),
+                ('grpc.max_receive_message_length', tiller.MAX_MESSAGE_LENGTH)
+            ])
 
     @mock.patch('armada.handlers.tiller.K8s', autospec=True)
     @mock.patch('armada.handlers.tiller.grpc', autospec=True)
@@ -100,8 +101,8 @@ class TillerTestCase(base.ArmadaTestCase):
     @mock.patch.object(tiller.Tiller, '_get_tiller_pod', autospec=True)
     @mock.patch('armada.handlers.tiller.K8s', autospec=True)
     @mock.patch('armada.handlers.tiller.grpc', autospec=True)
-    def test_get_tiller_ip_with_mocked_pod(self, mock_grpc, mock_k8s,
-                                           mock_pod):
+    def test_get_tiller_ip_with_mocked_pod(
+            self, mock_grpc, mock_k8s, mock_pod):
         status = mock.Mock(pod_ip='1.1.1.1')
         mock_pod.return_value.status = status
         tiller_obj = tiller.Tiller()
@@ -110,14 +111,14 @@ class TillerTestCase(base.ArmadaTestCase):
     @mock.patch.object(tiller.Tiller, '_get_tiller_ip', autospec=True)
     @mock.patch('armada.handlers.tiller.K8s', autospec=True)
     @mock.patch('armada.handlers.tiller.grpc', autospec=True)
-    def test_get_tiller_pod_throws_exception(self, mock_grpc, mock_k8s,
-                                             mock_ip):
+    def test_get_tiller_pod_throws_exception(
+            self, mock_grpc, mock_k8s, mock_ip):
 
         mock_k8s.get_namespace_pod.return_value.items = []
         tiller_obj = tiller.Tiller()
         mock_grpc.insecure_channel.side_effect = ex.ChannelException()
-        self.assertRaises(ex.TillerPodNotRunningException,
-                          tiller_obj._get_tiller_pod)
+        self.assertRaises(
+            ex.TillerPodNotRunningException, tiller_obj._get_tiller_pod)
 
     @mock.patch.object(tiller.Tiller, '_get_tiller_ip', autospec=True)
     @mock.patch('armada.handlers.tiller.K8s', autospec=True)
@@ -241,22 +242,25 @@ class TillerTestCase(base.ArmadaTestCase):
     @mock.patch('armada.handlers.tiller.grpc')
     @mock.patch.object(tiller, 'ListReleasesRequest')
     @mock.patch.object(tiller, 'ReleaseServiceStub')
-    def test_list_releases_paged(self, mock_stub, mock_list_releases_request,
-                                 mock_grpc, _):
+    def test_list_releases_paged(
+            self, mock_stub, mock_list_releases_request, mock_grpc, _):
         page_count = 3
         release_count = tiller.LIST_RELEASES_PAGE_SIZE * page_count
         releases = [mock.Mock() for i in range(release_count)]
         for i, release in enumerate(releases):
             release.name = mock.PropertyMock(return_value=str(i))
-        pages = [[
-            mock.Mock(
-                count=release_count,
-                total=release_count + 5,
-                next='' if i == page_count - 1 else str(
-                    (tiller.LIST_RELEASES_PAGE_SIZE * (i + 1))),
-                releases=releases[tiller.LIST_RELEASES_PAGE_SIZE *
-                                  i:tiller.LIST_RELEASES_PAGE_SIZE * (i + 1)])
-        ] for i in range(page_count)]
+        pages = [
+            [
+                mock.Mock(
+                    count=release_count,
+                    total=release_count + 5,
+                    next='' if i == page_count - 1 else str(
+                        (tiller.LIST_RELEASES_PAGE_SIZE * (i + 1))),
+                    releases=releases[tiller.LIST_RELEASES_PAGE_SIZE
+                                      * i:tiller.LIST_RELEASES_PAGE_SIZE
+                                      * (i + 1)])
+            ] for i in range(page_count)
+        ]
         mock_stub.return_value.ListReleases.side_effect = pages
 
         mock_list_releases_side_effect = [
@@ -280,8 +284,8 @@ class TillerTestCase(base.ArmadaTestCase):
 
         list_release_request_calls = [
             mock.call(
-                offset=''
-                if i == 0 else str(tiller.LIST_RELEASES_PAGE_SIZE * i),
+                offset='' if i == 0 else str(
+                    tiller.LIST_RELEASES_PAGE_SIZE * i),
                 limit=tiller.LIST_RELEASES_PAGE_SIZE,
                 status_codes=tiller.const.STATUS_ALL)
             for i in range(page_count)
@@ -292,8 +296,9 @@ class TillerTestCase(base.ArmadaTestCase):
     @mock.patch('armada.handlers.tiller.grpc')
     @mock.patch.object(tiller, 'GetReleaseContentRequest')
     @mock.patch.object(tiller, 'ReleaseServiceStub')
-    def test_get_release_content(self, mock_release_service_stub,
-                                 mock_release_content_request, mock_grpc, _):
+    def test_get_release_content(
+            self, mock_release_service_stub, mock_release_content_request,
+            mock_grpc, _):
         mock_release_service_stub.return_value.GetReleaseContent\
             .return_value = {}
 
@@ -311,8 +316,9 @@ class TillerTestCase(base.ArmadaTestCase):
     @mock.patch('armada.handlers.tiller.grpc')
     @mock.patch.object(tiller, 'GetVersionRequest')
     @mock.patch.object(tiller, 'ReleaseServiceStub')
-    def test_tiller_version(self, mock_release_service_stub,
-                            mock_version_request, mock_grpc, _):
+    def test_tiller_version(
+            self, mock_release_service_stub, mock_version_request, mock_grpc,
+            _):
 
         mock_version = mock.Mock()
         mock_version.Version.sem_ver = mock.sentinel.sem_ver
@@ -336,9 +342,9 @@ class TillerTestCase(base.ArmadaTestCase):
     @mock.patch.object(tiller, 'GetVersionRequest')
     @mock.patch.object(tiller, 'GetReleaseStatusRequest')
     @mock.patch.object(tiller, 'ReleaseServiceStub')
-    def test_get_release_status(self, mock_release_service_stub,
-                                mock_rel_status_request, mock_version_request,
-                                mock_grpc, _):
+    def test_get_release_status(
+            self, mock_release_service_stub, mock_rel_status_request,
+            mock_version_request, mock_grpc, _):
         mock_release_service_stub.return_value.GetReleaseStatus. \
             return_value = {}
 
@@ -357,8 +363,9 @@ class TillerTestCase(base.ArmadaTestCase):
     @mock.patch('armada.handlers.tiller.grpc')
     @mock.patch.object(tiller, 'UninstallReleaseRequest')
     @mock.patch.object(tiller, 'ReleaseServiceStub')
-    def test_uninstall_release(self, mock_release_service_stub,
-                               mock_uninstall_release_request, mock_grpc, _):
+    def test_uninstall_release(
+            self, mock_release_service_stub, mock_uninstall_release_request,
+            mock_grpc, _):
         mock_release_service_stub.return_value.UninstallRelease\
             .return_value = {}
 
@@ -379,8 +386,9 @@ class TillerTestCase(base.ArmadaTestCase):
     @mock.patch('armada.handlers.tiller.grpc')
     @mock.patch.object(tiller, 'RollbackReleaseRequest')
     @mock.patch.object(tiller, 'ReleaseServiceStub')
-    def test_rollback_release(self, mock_release_service_stub,
-                              mock_rollback_release_request, _, __):
+    def test_rollback_release(
+            self, mock_release_service_stub, mock_rollback_release_request, _,
+            __):
         mock_release_service_stub.return_value.RollbackRelease\
             .return_value = {}
 
@@ -427,8 +435,9 @@ class TillerTestCase(base.ArmadaTestCase):
     @mock.patch('armada.handlers.tiller.Config')
     @mock.patch.object(tiller, 'UpdateReleaseRequest')
     @mock.patch.object(tiller, 'ReleaseServiceStub')
-    def test_update_release(self, mock_release_service_stub,
-                            mock_update_release_request, mock_config, _, __):
+    def test_update_release(
+            self, mock_release_service_stub, mock_update_release_request,
+            mock_config, _, __):
         release = 'release'
         chart = {}
         namespace = 'namespace'
@@ -507,20 +516,20 @@ class TillerTestCase(base.ArmadaTestCase):
             timeout + tiller.GRPC_EPSILON,
             metadata=tiller_obj.metadata)
 
-        expected_result = tiller.TillerResult(release, namespace, status,
-                                              description, version)
+        expected_result = tiller.TillerResult(
+            release, namespace, status, description, version)
 
         self.assertEqual(expected_result, result)
 
     def _test_test_release(self, grpc_response_mock):
-
         @mock.patch('armada.handlers.tiller.K8s')
         @mock.patch('armada.handlers.tiller.grpc')
         @mock.patch('armada.handlers.tiller.Config')
         @mock.patch.object(tiller, 'TestReleaseRequest')
         @mock.patch.object(tiller, 'ReleaseServiceStub')
-        def do_test(self, mock_release_service_stub, mock_test_release_request,
-                    mock_config, _, __):
+        def do_test(
+                self, mock_release_service_stub, mock_test_release_request,
+                mock_config, _, __):
             tiller_obj = tiller.Tiller('host', '8080', None)
             release = 'release'
             test_suite_run = {}
@@ -531,14 +540,11 @@ class TillerTestCase(base.ArmadaTestCase):
             tiller_obj.get_release_status = mock.Mock()
             tiller_obj.get_release_status.return_value = AttrDict(
                 **{
-                    'info':
-                    AttrDict(
+                    'info': AttrDict(
                         **{
-                            'status':
-                            AttrDict(
+                            'status': AttrDict(
                                 **{'last_test_suite_run': test_suite_run}),
-                            'Description':
-                            'Failed'
+                            'Description': 'Failed'
                         })
                 })
 
@@ -549,41 +555,47 @@ class TillerTestCase(base.ArmadaTestCase):
         do_test(self)
 
     def test_test_release_no_tests(self):
-        self._test_test_release([
-            AttrDict(**{
-                'msg': 'No Tests Found',
-                'status': helm.TESTRUN_STATUS_UNKNOWN
-            })
-        ])
+        self._test_test_release(
+            [
+                AttrDict(
+                    **{
+                        'msg': 'No Tests Found',
+                        'status': helm.TESTRUN_STATUS_UNKNOWN
+                    })
+            ])
 
     def test_test_release_success(self):
-        self._test_test_release([
-            AttrDict(**{
-                'msg': 'RUNNING: ...',
-                'status': helm.TESTRUN_STATUS_RUNNING
-            }),
-            AttrDict(**{
-                'msg': 'SUCCESS: ...',
-                'status': helm.TESTRUN_STATUS_SUCCESS
-            })
-        ])
+        self._test_test_release(
+            [
+                AttrDict(
+                    **{
+                        'msg': 'RUNNING: ...',
+                        'status': helm.TESTRUN_STATUS_RUNNING
+                    }),
+                AttrDict(
+                    **{
+                        'msg': 'SUCCESS: ...',
+                        'status': helm.TESTRUN_STATUS_SUCCESS
+                    })
+            ])
 
     def test_test_release_failure(self):
-        self._test_test_release([
-            AttrDict(**{
-                'msg': 'RUNNING: ...',
-                'status': helm.TESTRUN_STATUS_RUNNING
-            }),
-            AttrDict(**{
-                'msg': 'FAILURE: ...',
-                'status': helm.TESTRUN_STATUS_FAILURE
-            })
-        ])
+        self._test_test_release(
+            [
+                AttrDict(
+                    **{
+                        'msg': 'RUNNING: ...',
+                        'status': helm.TESTRUN_STATUS_RUNNING
+                    }),
+                AttrDict(
+                    **{
+                        'msg': 'FAILURE: ...',
+                        'status': helm.TESTRUN_STATUS_FAILURE
+                    })
+            ])
 
     def test_test_release_failure_to_run(self):
-
         class Iterator:
-
             def __iter__(self):
                 return self
 

armada/tests/unit/handlers/test_wait.py

@@ -23,7 +23,6 @@ test_chart = {'wait': {'timeout': 10, 'native': {'enabled': False}}}
 
 
 class ChartWaitTestCase(base.ArmadaTestCase):
-
     def get_unit(self, chart_data, timeout=None, version=2):
         chart = {
             'schema': 'armada/Chart/v{}'.format(str(version)),
@@ -118,60 +117,66 @@ class ChartWaitTestCase(base.ArmadaTestCase):
         self.assertIsInstance(unit.waits[4], wait.StatefulSetWait)
 
     def test_waits_init_min_ready_fails_if_not_controller(self):
-
         def create_pod_wait_min_ready():
-            self.get_unit({
-                'wait': {
-                    'resources': [{
-                        'type': 'pod',
-                        'labels': {
-                            'foo': 'bar'
-                        },
-                        'min_ready': 5
-                    }]
-                }
-            })
+            self.get_unit(
+                {
+                    'wait': {
+                        'resources': [
+                            {
+                                'type': 'pod',
+                                'labels': {
+                                    'foo': 'bar'
+                                },
+                                'min_ready': 5
+                            }
+                        ]
+                    }
+                })
 
-        self.assertRaises(manifest_exceptions.ManifestException,
-                          create_pod_wait_min_ready)
+        self.assertRaises(
+            manifest_exceptions.ManifestException, create_pod_wait_min_ready)
 
         def create_job_wait_min_ready():
-            self.get_unit({
-                'wait': {
-                    'resources': [{
-                        'type': 'job',
-                        'labels': {
-                            'foo': 'bar'
-                        },
-                        'min_ready': 5
-                    }]
-                }
-            })
+            self.get_unit(
+                {
+                    'wait': {
+                        'resources': [
+                            {
+                                'type': 'job',
+                                'labels': {
+                                    'foo': 'bar'
+                                },
+                                'min_ready': 5
+                            }
+                        ]
+                    }
+                })
 
-        self.assertRaises(manifest_exceptions.ManifestException,
-                          create_job_wait_min_ready)
+        self.assertRaises(
+            manifest_exceptions.ManifestException, create_job_wait_min_ready)
 
     def test_waits_init_invalid_type(self):
-
         def create_with_invalid_type():
-            self.get_unit({
-                'wait': {
-                    'resources': [{
-                        'type': 'invalid',
-                        'labels': {
-                            'foo': 'bar'
-                        },
-                        'min_ready': 5
-                    }]
-                }
-            })
+            self.get_unit(
+                {
+                    'wait': {
+                        'resources': [
+                            {
+                                'type': 'invalid',
+                                'labels': {
+                                    'foo': 'bar'
+                                },
+                                'min_ready': 5
+                            }
+                        ]
+                    }
+                })
 
-        self.assertRaises(manifest_exceptions.ManifestException,
-                          create_with_invalid_type)
+        self.assertRaises(
+            manifest_exceptions.ManifestException, create_with_invalid_type)
 
     @mock.patch.object(wait.ChartWait, 'get_resource_wait')
     def test_wait(self, get_resource_wait):
-
         def return_mock(*args, **kwargs):
             return mock.MagicMock()
 
@@ -194,7 +199,6 @@ class ChartWaitTestCase(base.ArmadaTestCase):
 
 
 class PodWaitTestCase(base.ArmadaTestCase):
-
     def get_unit(self, labels, version=2):
         return wait.PodWait(
             resource_type='pod',
@@ -202,7 +206,6 @@ class PodWaitTestCase(base.ArmadaTestCase):
             labels=labels)
 
     def test_include_resource(self):
-
         def mock_resource(annotations={}, owner_references=None):
             resource = mock.Mock()
             resource.metadata.annotations = annotations
@@ -219,10 +222,11 @@ class PodWaitTestCase(base.ArmadaTestCase):
         ]
         job_pods = [
             mock_resource(owner_references=[mock.Mock(kind='Job')]),
-            mock_resource(owner_references=[
-                mock.Mock(kind='NotAJob'),
-                mock.Mock(kind='Job')
-            ])
+            mock_resource(
+                owner_references=[
+                    mock.Mock(kind='NotAJob'),
+                    mock.Mock(kind='Job')
+                ])
         ]
         included_pods = [
             mock_resource(),
@@ -248,13 +252,11 @@ class PodWaitTestCase(base.ArmadaTestCase):
 
 
 class JobWaitTestCase(base.ArmadaTestCase):
-
     def get_unit(self, labels):
         return wait.JobWait(
             resource_type='job', chart_wait=mock.MagicMock(), labels=labels)
 
     def test_include_resource(self):
-
         def mock_resource(annotations={}, owner_references=None):
             resource = mock.Mock()
             resource.metadata.annotations = annotations
@@ -263,10 +265,11 @@ class JobWaitTestCase(base.ArmadaTestCase):
 
         cronjob_jobs = [
             mock_resource(owner_references=[mock.Mock(kind='CronJob')]),
-            mock_resource(owner_references=[
-                mock.Mock(kind='NotACronJob'),
-                mock.Mock(kind='CronJob')
-            ])
+            mock_resource(
+                owner_references=[
+                    mock.Mock(kind='NotACronJob'),
+                    mock.Mock(kind='CronJob')
+                ])
         ]
         included_jobs = [
             mock_resource(),

armada/tests/unit/utils/schema.py

@@ -18,7 +18,6 @@ from armada.utils import schema
 
 
 class SchemaTestCase(unittest.TestCase):
-
     def test_validate_load_schemas(self):
         expected_schemas = [
             'armada/Chart/v1', 'armada/ChartGroup/v1', 'armada/Manifest/v1'

armada/tests/unit/utils/test_release.py

@@ -18,7 +18,6 @@ from armada.utils import release as rel
 
 
 class ReleaseTestCase(unittest.TestCase):
-
     def test_release_prefix_pass(self):
         expected = 'armada-test'
         prefix, release = ('armada', 'test')

armada/tests/unit/utils/test_source.py

@@ -25,7 +25,6 @@ from armada.utils import source
 
 
 class GitTestCase(base.ArmadaTestCase):
-
     def _validate_git_clone(self, repo_dir, expected_ref=None):
         self.assertTrue(os.path.isdir(repo_dir))
         self.addCleanup(shutil.rmtree, repo_dir)
@@ -38,23 +37,23 @@ class GitTestCase(base.ArmadaTestCase):
                     as git_file:
                 self.assertIn(expected_ref, git_file.read())
 
-    @testtools.skipUnless(base.is_connected(),
-                          'git clone requires network connectivity.')
+    @testtools.skipUnless(
+        base.is_connected(), 'git clone requires network connectivity.')
     def test_git_clone_good_url(self):
         url = 'https://opendev.org/airship/armada.git'
         git_dir = source.git_clone(url)
         self._validate_git_clone(git_dir)
 
-    @testtools.skipUnless(base.is_connected(),
-                          'git clone requires network connectivity.')
+    @testtools.skipUnless(
+        base.is_connected(), 'git clone requires network connectivity.')
     def test_git_clone_commit(self):
         url = 'https://opendev.org/airship/armada.git'
         commit = 'cba78d1d03e4910f6ab1691bae633c5bddce893d'
         git_dir = source.git_clone(url, commit)
         self._validate_git_clone(git_dir, commit)
 
-    @testtools.skipUnless(base.is_connected(),
-                          'git clone requires network connectivity.')
+    @testtools.skipUnless(
+        base.is_connected(), 'git clone requires network connectivity.')
     def test_git_clone_ref(self):
         ref = 'refs/changes/54/457754/73'
         git_dir = source.git_clone(
@@ -62,29 +61,29 @@ class GitTestCase(base.ArmadaTestCase):
         self._validate_git_clone(git_dir, ref)
 
     @test_utils.attr(type=['negative'])
-    @testtools.skipUnless(base.is_connected(),
-                          'git clone requires network connectivity.')
+    @testtools.skipUnless(
+        base.is_connected(), 'git clone requires network connectivity.')
     def test_git_clone_empty_url(self):
         url = ''
         # error_re = '%s is not a valid git repository.' % url
 
-        self.assertRaises(source_exceptions.GitException, source.git_clone,
-                          url)
+        self.assertRaises(
+            source_exceptions.GitException, source.git_clone, url)
 
     @test_utils.attr(type=['negative'])
-    @testtools.skipUnless(base.is_connected(),
-                          'git clone requires network connectivity.')
+    @testtools.skipUnless(
+        base.is_connected(), 'git clone requires network connectivity.')
     def test_git_clone_bad_url(self):
         url = 'https://opendev.org/dummy/armada'
 
-        self.assertRaises(source_exceptions.GitException, source.git_clone,
-                          url)
+        self.assertRaises(
+            source_exceptions.GitException, source.git_clone, url)
 
     # TODO need to design a positive proxy test,
     #      difficult to achieve behind a corporate proxy
     @test_utils.attr(type=['negative'])
-    @testtools.skipUnless(base.is_connected(),
-                          'git clone requires network connectivity.')
+    @testtools.skipUnless(
+        base.is_connected(), 'git clone requires network connectivity.')
     def test_git_clone_fake_proxy(self):
         url = 'https://opendev.org/airship/armada.git'
         proxy_url = test_utils.rand_name(
@@ -140,14 +139,15 @@ class GitTestCase(base.ArmadaTestCase):
         mock_path.exists.return_value = False
         path = '/tmp/armada'
 
-        self.assertRaises(source_exceptions.InvalidPathException,
-                          source.extract_tarball, path)
+        self.assertRaises(
+            source_exceptions.InvalidPathException, source.extract_tarball,
+            path)
 
         mock_tarfile.open.assert_not_called()
         mock_tarfile.extractall.assert_not_called()
 
-    @testtools.skipUnless(base.is_connected(),
-                          'git clone requires network connectivity.')
+    @testtools.skipUnless(
+        base.is_connected(), 'git clone requires network connectivity.')
     @mock.patch.object(source, 'LOG')
     def test_source_cleanup(self, mock_log):
         url = 'https://opendev.org/airship/armada.git'
@@ -159,8 +159,8 @@ class GitTestCase(base.ArmadaTestCase):
     @mock.patch.object(source, 'LOG')
     @mock.patch('armada.utils.source.shutil')
     @mock.patch('armada.utils.source.os.path')
-    def test_source_cleanup_missing_git_path(self, mock_path, mock_shutil,
-                                             mock_log):
+    def test_source_cleanup_missing_git_path(
+            self, mock_path, mock_shutil, mock_log):
         # Verify that passing in a missing path does nothing but log a warning.
         mock_path.exists.return_value = False
         path = 'armada'
@@ -169,11 +169,11 @@ class GitTestCase(base.ArmadaTestCase):
         mock_shutil.rmtree.assert_not_called()
         self.assertTrue(mock_log.warning.called)
         actual_call = mock_log.warning.mock_calls[0][1]
-        self.assertEqual(('Could not find the chart path %s to delete.', path),
-                         actual_call)
+        self.assertEqual(
+            ('Could not find the chart path %s to delete.', path), actual_call)
 
-    @testtools.skipUnless(base.is_connected(),
-                          'git clone requires network connectivity.')
+    @testtools.skipUnless(
+        base.is_connected(), 'git clone requires network connectivity.')
     @test_utils.attr(type=['negative'])
     @mock.patch.object(source, 'os')
     def test_git_clone_ssh_auth_method_fails_auth(self, mock_os):
@@ -187,8 +187,8 @@ class GitTestCase(base.ArmadaTestCase):
             ref='refs/changes/17/388517/5',
             auth_method='SSH')
 
-    @testtools.skipUnless(base.is_connected(),
-                          'git clone requires network connectivity.')
+    @testtools.skipUnless(
+        base.is_connected(), 'git clone requires network connectivity.')
     @test_utils.attr(type=['negative'])
     @mock.patch.object(source, 'os')
     def test_git_clone_ssh_auth_method_missing_ssh_key(self, mock_os):

armada/tests/unit/utils/test_validate.py

@@ -13,9 +13,9 @@
 # limitations under the License.
 
 import os
-import yaml
 
 import testtools
+import yaml
 
 from armada.tests.unit import base
 from armada.utils import validate
@@ -67,7 +67,6 @@ data:
 
 
 class BaseValidateTest(base.ArmadaTestCase):
-
     def setUp(self):
         super(BaseValidateTest, self).setUp()
         self.basepath = os.path.join(os.path.dirname(__file__), os.pardir)
@@ -110,7 +109,6 @@ class ValidateOwnExamplesTestCase(BaseValidateTest):
 
 
 class ValidateTestCase(BaseValidateTest):
-
     def test_validate_armada_yaml_passes(self):
         template = '{}/resources/valid_armada_document.yaml'.format(
             self.basepath)
@@ -215,12 +213,11 @@ data:
 
 
 class ValidateNegativeTestCase(BaseValidateTest):
-
     def test_validate_no_dictionary_expect_type_error(self):
         expected_error = 'The provided input "invalid" must be a dictionary.'
-        self.assertRaisesRegexp(TypeError, expected_error,
-                                validate.validate_armada_documents,
-                                ['invalid'])
+        self.assertRaisesRegexp(
+            TypeError, expected_error, validate.validate_armada_documents,
+            ['invalid'])
 
     def test_validate_invalid_chart_armada_manifest(self):
         template = '{}/resources/valid_armada_document.yaml'.format(

armada/utils/release.py

@@ -12,10 +12,10 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-from armada.utils.helm import get_test_suite_run_success
-
 import time
 
+from armada.utils.helm import get_test_suite_run_success
+
 
 def release_prefixer(prefix, release):
     '''

armada/utils/source.py

@@ -65,8 +65,9 @@ def git_clone(repo_url, ref='master', proxy_server=None, auth_method=None):
             'with SSH authentication.', repo_url, ref)
 
         if not os.path.exists(CONF.ssh_key_path):
-            LOG.error('SSH auth method was specified for cloning repo but '
-                      'the SSH key under CONF.ssh_key_path was not found.')
+            LOG.error(
+                'SSH auth method was specified for cloning repo but '
+                'the SSH key under CONF.ssh_key_path was not found.')
             raise source_exceptions.GitSSHException(CONF.ssh_key_path)
 
         ssh_cmd = (
@@ -99,8 +100,8 @@ def git_clone(repo_url, ref='master', proxy_server=None, auth_method=None):
     except git_exc.GitCommandError as e:
         LOG.exception('Encountered GitCommandError during clone.')
         if ssh_cmd and ssh_cmd in e.stderr:
-            raise source_exceptions.GitAuthException(repo_url,
-                                                     CONF.ssh_key_path)
+            raise source_exceptions.GitAuthException(
+                repo_url, CONF.ssh_key_path)
         elif 'Could not resolve proxy' in e.stderr:
             raise source_exceptions.GitProxyException(proxy_server)
         else:
@@ -165,7 +166,7 @@ def source_cleanup(chart_path):
         try:
             shutil.rmtree(chart_path)
         except OSError as e:
-            LOG.warning('Could not delete the path %s. Details: %s',
-                        chart_path, e)
+            LOG.warning(
+                'Could not delete the path %s. Details: %s', chart_path, e)
     else:
         LOG.warning('Could not find the chart path %s to delete.', chart_path)

armada/utils/validate.py

@@ -12,10 +12,10 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-import jsonschema
-import requests
 import traceback
 
+import jsonschema
+import requests
 from oslo_log import log as logging
 
 from armada import const
@@ -124,8 +124,9 @@ def validate_armada_document(document):
                 LOG.info('ValidationMessage: %s', vmsg.get_output_json())
                 details.append(vmsg.get_output())
         except jsonschema.SchemaError as e:
-            error_message = ('The built-in Armada JSON schema %s is invalid. '
-                             'Details: %s.' % (e.schema, e.message))
+            error_message = (
+                'The built-in Armada JSON schema %s is invalid. '
+                'Details: %s.' % (e.schema, e.message))
             vmsg = ValidationMessage(
                 message=error_message,
                 error=True,

armada/utils/validation_message.py

@@ -32,14 +32,15 @@ class ValidationMessage(object):
         or details for resolution.
     """
 
-    def __init__(self,
-                 message='Document validation error.',
-                 error=True,
-                 name='Armada error',
-                 level='Error',
-                 schema=None,
-                 doc_name=None,
-                 diagnostic=None):
+    def __init__(
+            self,
+            message='Document validation error.',
+            error=True,
+            name='Armada error',
+            level='Error',
+            schema=None,
+            doc_name=None,
+            diagnostic=None):
 
         # TODO(MarshM) should validate error and level inputs
 

test-requirements.txt

@@ -13,6 +13,7 @@ os-testr>=1.0.0 # Apache-2.0
 flake8>=3.3.0
 mock
 responses>=0.8.1
-yapf==0.26.0
+yapf==0.27.0
+flake8-import-order==0.18.1
 
 grpcio-tools==1.16.0

tox.ini

@@ -72,7 +72,7 @@ commands =
     # Whitespace linter (for chart files)
     bash {toxinidir}/tools/whitespace-linter.sh
     yapf -dr {toxinidir}/armada {toxinidir}/setup.py
-    flake8 {posargs}
+    flake8 {toxinidir}/armada {toxinidir}/setup.py
     # Run security linter as part of the pep8 gate instead of a separate zuul job.
     bandit -r armada -n 5 -x armada/tests/*
 
@@ -94,7 +94,7 @@ commands =
     coverage xml -o cover/coverage.xml
     coverage report
 
-[testenv:yapf]
+[testenv:fmt]
 basepython = python3
 deps = {[testenv]deps}
 commands =
@@ -102,8 +102,14 @@ commands =
 
 [flake8]
 filename = *.py
-# These are ignored intentionally:
-# W504 - line break after binary operator, we cannot have both
-#        W503 and W504 enabled
-ignore = W504
+show-source = true
+# [H106] Don't put vim configuration in source files.
+# [H201] No 'except:' at least use 'except Exception:'
+# [H904] Delay string interpolations at logging calls.
+enable-extensions = H106,H201,H904
+# [W503] line break before binary operator
+ignore = W503
 exclude = .git,.tox,dist,*lib/python*,*egg,build,releasenotes,doc/*,hapi,venv
+max-complexity = 24
+application-import-names = armada
+import-order-style = pep8