armada/armada/tests/unit/handlers/test_tiller.py

429 lines
17 KiB
Python

# Copyright 2017 The Armada Authors.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# 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 mock
from mock import MagicMock
from armada.exceptions import tiller_exceptions as ex
from armada.handlers import tiller
from armada.tests.unit import base
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):
# instantiate Tiller object
mock_grpc.insecure_channel.return_value = None
mock_ip.return_value = '0.0.0.0'
tiller_obj = tiller.Tiller()
assert tiller_obj._get_tiller_ip() == '0.0.0.0'
# set params
chart = mock.Mock()
name = None
namespace = None
initial_values = None
updated_values = mock_config(raw=initial_values)
wait = False
timeout = 3600
tiller_obj.install_release(
chart, name, namespace, values=initial_values,
wait=wait, timeout=timeout)
mock_stub.assert_called_with(tiller_obj.channel)
release_request = mock_install_request(
chart=chart,
values=updated_values,
release=name,
namespace=namespace,
wait=wait,
timeout=timeout
)
(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)
@mock.patch.object(tiller.Tiller, '_get_tiller_port', autospec=True)
@mock.patch('armada.handlers.tiller.grpc', autospec=True)
def test_get_channel(self, mock_grpc, mock_port, mock_ip, _):
mock_port.return_value = mock.sentinel.port
mock_ip.return_value = mock.sentinel.ip
# instantiate Tiller object
mock_grpc.insecure_channel.return_value = 'connected'
tiller_obj = tiller.Tiller()
self.assertIsNotNone(tiller_obj.channel)
self.assertEqual('connected', tiller_obj.channel)
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)]
)
@mock.patch('armada.handlers.tiller.K8s', autospec=True)
@mock.patch('armada.handlers.tiller.grpc', autospec=True)
def test_get_tiller_ip_with_host_provided(self, mock_grpc, _):
tiller_obj = tiller.Tiller('1.1.1.1')
self.assertIsNotNone(tiller_obj._get_tiller_ip())
self.assertEqual('1.1.1.1', tiller_obj._get_tiller_ip())
@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):
status = mock.Mock(pod_ip='1.1.1.1')
mock_pod.return_value.status = status
tiller_obj = tiller.Tiller()
self.assertEqual('1.1.1.1', tiller_obj._get_tiller_ip())
@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):
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)
@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_port(self, mock_grpc, _, mock_ip):
# instantiate Tiller object
tiller_obj = tiller.Tiller(None, '8080', None)
self.assertEqual('8080', tiller_obj._get_tiller_port())
@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_namespace(self, mock_grpc, _, mock_ip):
# verifies namespace set via instantiation
tiller_obj = tiller.Tiller(None, None, 'test_namespace2')
self.assertEqual('test_namespace2',
tiller_obj._get_tiller_namespace())
@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_status_with_ip_provided(self, mock_grpc, _, mock_ip):
# instantiate Tiller object
tiller_obj = tiller.Tiller(None, '8080', None)
self.assertTrue(tiller_obj.tiller_status())
@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_status_no_ip(self, mock_grpc, _, mock_ip):
mock_ip.return_value = ''
# instantiate Tiller object
tiller_obj = tiller.Tiller()
self.assertFalse(tiller_obj.tiller_status())
@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_list_releases_empty(self, mock_grpc, _, mock_ip):
# instantiate Tiller object
tiller_obj = tiller.Tiller()
self.assertEqual([], tiller_obj.list_releases())
@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_list_charts_empty(self, mock_grpc, _, mock_ip):
# instantiate Tiller object
tiller_obj = tiller.Tiller()
self.assertEqual([], tiller_obj.list_charts())
@mock.patch('armada.handlers.tiller.K8s')
@mock.patch('armada.handlers.tiller.grpc')
@mock.patch.object(tiller, 'ListReleasesRequest')
@mock.patch.object(tiller, 'ReleaseServiceStub')
def test_list_releases(self, mock_release_service_stub,
mock_list_releases_request, mock_grpc, _):
mock_release_service_stub.return_value.ListReleases. \
return_value = [mock.Mock(releases=['foo', 'bar'])]
tiller_obj = tiller.Tiller('host', '8080', None)
self.assertEqual(['foo', 'bar'], tiller_obj.list_releases())
mock_release_service_stub.assert_called_once_with(
tiller_obj.channel)
list_releases_stub = mock_release_service_stub.return_value. \
ListReleases
list_releases_stub.assert_called_once_with(
mock_list_releases_request.return_value, tiller_obj.timeout,
metadata=tiller_obj.metadata)
mock_list_releases_request.assert_called_once_with(
limit=tiller.RELEASE_LIMIT,
status_codes=[tiller.const.STATUS_DEPLOYED,
tiller.const.STATUS_FAILED],
sort_by='LAST_RELEASED',
sort_order='DESC')
@mock.patch('armada.handlers.tiller.K8s')
@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, _):
mock_release_service_stub.return_value.GetReleaseContent\
.return_value = {}
tiller_obj = tiller.Tiller('host', '8080', None)
self.assertEqual({}, tiller_obj.get_release_content('release'))
get_release_content_stub = mock_release_service_stub. \
return_value.GetReleaseContent
get_release_content_stub.assert_called_once_with(
mock_release_content_request.return_value, tiller_obj.timeout,
metadata=tiller_obj.metadata)
@mock.patch('armada.handlers.tiller.K8s')
@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, _):
mock_version = mock.Mock()
mock_version.Version.sem_ver = mock.sentinel.sem_ver
mock_release_service_stub.return_value.GetVersion\
.return_value = mock_version
tiller_obj = tiller.Tiller('host', '8080', None)
self.assertEqual(mock.sentinel.sem_ver, tiller_obj.tiller_version())
mock_release_service_stub.assert_called_once_with(
tiller_obj.channel)
get_version_stub = mock_release_service_stub.return_value.GetVersion
get_version_stub.assert_called_once_with(
mock_version_request.return_value, tiller_obj.timeout,
metadata=tiller_obj.metadata)
@mock.patch('armada.handlers.tiller.K8s')
@mock.patch('armada.handlers.tiller.grpc')
@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, _):
mock_release_service_stub.return_value.GetReleaseStatus. \
return_value = {}
tiller_obj = tiller.Tiller('host', '8080', None)
self.assertEqual({}, tiller_obj.get_release_status('release'))
mock_release_service_stub.assert_called_once_with(
tiller_obj.channel)
get_release_status_stub = mock_release_service_stub.return_value. \
GetReleaseStatus
get_release_status_stub.assert_called_once_with(
mock_rel_status_request.return_value, tiller_obj.timeout,
metadata=tiller_obj.metadata)
@mock.patch('armada.handlers.tiller.K8s')
@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, _):
mock_release_service_stub.return_value.UninstallRelease\
.return_value = {}
tiller_obj = tiller.Tiller('host', '8080', None)
self.assertEqual({}, tiller_obj.uninstall_release('release'))
mock_release_service_stub.assert_called_once_with(
tiller_obj.channel)
uninstall_release_stub = mock_release_service_stub.return_value. \
UninstallRelease
uninstall_release_stub.assert_called_once_with(
mock_uninstall_release_request.return_value, tiller_obj.timeout,
metadata=tiller_obj.metadata)
@mock.patch('armada.handlers.tiller.K8s')
@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, _, __):
mock_release_service_stub.return_value.RollbackRelease\
.return_value = {}
dry_run = True
tiller_obj = tiller.Tiller('host', '8080', None, dry_run=dry_run)
release = 'release'
version = 0
wait = True
timeout = 123
recreate_pods = True
force = True
self.assertIsNone(tiller_obj.rollback_release(
release, version, wait=wait, timeout=timeout, force=force,
recreate_pods=recreate_pods))
mock_rollback_release_request.assert_called_once_with(
name=release,
version=version,
dry_run=dry_run,
wait=wait,
timeout=timeout,
force=force,
recreate=recreate_pods)
mock_release_service_stub.assert_called_once_with(
tiller_obj.channel)
rollback_release_stub = mock_release_service_stub.return_value. \
RollbackRelease
rollback_release_stub.assert_called_once_with(
mock_rollback_release_request.return_value, timeout +
tiller.GRPC_EPSILON,
metadata=tiller_obj.metadata)
@mock.patch('armada.handlers.tiller.K8s')
@mock.patch('armada.handlers.tiller.grpc')
@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,
_, __):
release = 'release'
chart = {}
namespace = 'namespace'
code = 0
status = 'DEPLOYED'
description = 'desc'
version = 2
values = mock_config(raw=None)
mock_release_service_stub.return_value.UpdateRelease.return_value =\
AttrDict(**{
'release': AttrDict(**{
'name': release,
'namespace': namespace,
'info': AttrDict(**{
'status': AttrDict(**{
'Code': AttrDict(**{
'Name': lambda c:
status if c == code else None
}),
'code': code
}),
'Description': description
}),
'version': version
})
})
tiller_obj = tiller.Tiller('host', '8080', None, dry_run=False)
# TODO: Test these methods as well, either by unmocking, or adding
# separate tests for them.
tiller_obj._pre_update_actions = MagicMock()
tiller_obj._post_update_actions = MagicMock()
pre_actions = {}
post_actions = {}
disable_hooks = False
wait = True
timeout = 123
force = True
recreate_pods = True
result = tiller_obj.update_release(
chart, release, namespace,
pre_actions=pre_actions,
post_actions=post_actions,
disable_hooks=disable_hooks,
values=values,
wait=wait,
timeout=timeout,
force=force,
recreate_pods=recreate_pods)
tiller_obj._pre_update_actions.assert_called_once_with(
pre_actions, release, namespace, chart, disable_hooks, values,
timeout)
tiller_obj._post_update_actions.assert_called_once_with(
post_actions, namespace)
mock_update_release_request.assert_called_once_with(
chart=chart,
name=release,
dry_run=tiller_obj.dry_run,
disable_hooks=False,
values=values,
wait=wait,
timeout=timeout,
force=force,
recreate=recreate_pods)
mock_release_service_stub.assert_called_once_with(
tiller_obj.channel)
update_release_stub = mock_release_service_stub.return_value. \
UpdateRelease
update_release_stub.assert_called_once_with(
mock_update_release_request.return_value, timeout +
tiller.GRPC_EPSILON,
metadata=tiller_obj.metadata)
expected_result = tiller.TillerResult(
release,
namespace,
status,
description,
version)
self.assertEqual(expected_result, result)
class AttrDict(dict):
def __init__(self, *args, **kwargs):
super(AttrDict, self).__init__(*args, **kwargs)
self.__dict__ = self