160 lines
4.8 KiB
Python
160 lines
4.8 KiB
Python
# Copyright 2017 AT&T Intellectual Property. All other rights reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import uuid
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import json
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import logging
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import falcon
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import falcon.request
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import drydock_provisioner.error as errors
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class BaseResource(object):
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def __init__(self):
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self.logger = logging.getLogger('control')
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def on_options(self, req, resp):
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self_attrs = dir(self)
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methods = ['GET', 'HEAD', 'POST', 'PUT', 'DELETE', 'PATCH']
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allowed_methods = []
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for m in methods:
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if 'on_' + m.lower() in self_attrs:
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allowed_methods.append(m)
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resp.headers['Allow'] = ','.join(allowed_methods)
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resp.status = falcon.HTTP_200
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def req_json(self, req):
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if req.content_length is None or req.content_length == 0:
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return None
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if req.content_type is not None and req.content_type.lower() == 'application/json':
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raw_body = req.stream.read(req.content_length or 0)
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if raw_body is None:
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return None
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try:
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json_body = json.loads(raw_body.decode('utf-8'))
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return json_body
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except json.JSONDecodeError as jex:
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raise errors.InvalidFormat("%s: Invalid JSON in body: %s" % (req.path, jex))
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else:
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raise errors.InvalidFormat("Requires application/json payload")
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def return_error(self, resp, status_code, message="", retry=False):
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resp.body = json.dumps({'type': 'error', 'message': message, 'retry': retry})
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resp.status = status_code
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def log_error(self, ctx, level, msg):
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extra = {
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'user': 'N/A',
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'req_id': 'N/A',
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'external_ctx': 'N/A'
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}
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if ctx is not None:
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extra = {
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'user': ctx.user,
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'req_id': ctx.request_id,
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'external_ctx': ctx.external_marker,
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}
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self.logger.log(level, msg, extra=extra)
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def debug(self, ctx, msg):
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self.log_error(ctx, logging.DEBUG, msg)
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def info(self, ctx, msg):
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self.log_error(ctx, logging.INFO, msg)
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def warn(self, ctx, msg):
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self.log_error(ctx, logging.WARN, msg)
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def error(self, ctx, msg):
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self.log_error(ctx, logging.ERROR, msg)
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class StatefulResource(BaseResource):
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def __init__(self, state_manager=None, **kwargs):
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super(StatefulResource, self).__init__(**kwargs)
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if state_manager is None:
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self.error(None, "StatefulResource:init - StatefulResources require a state manager be set")
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raise ValueError("StatefulResources require a state manager be set")
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self.state_manager = state_manager
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class DrydockRequestContext(object):
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def __init__(self):
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self.log_level = 'ERROR'
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self.user = None # Username
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self.user_id = None # User ID (UUID)
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self.user_domain_id = None # Domain owning user
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self.roles = []
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self.project_id = None
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self.project_domain_id = None # Domain owning project
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self.is_admin_project = False
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self.authenticated = False
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self.request_id = str(uuid.uuid4())
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self.external_marker = ''
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self.policy_engine = None
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def set_log_level(self, level):
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if level in ['error', 'info', 'debug']:
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self.log_level = level
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def set_user(self, user):
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self.user = user
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def set_project(self, project):
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self.project = project
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def add_role(self, role):
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self.roles.append(role)
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def add_roles(self, roles):
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self.roles.extend(roles)
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def remove_role(self, role):
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self.roles = [x for x in self.roles
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if x != role]
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def set_external_marker(self, marker):
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self.external_marker = marker
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def set_policy_engine(self, engine):
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self.policy_engine = engine
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def to_policy_view(self):
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policy_dict = {}
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policy_dict['user_id'] = self.user_id
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policy_dict['user_domain_id'] = self.user_domain_id
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policy_dict['project_id'] = self.project_id
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policy_dict['project_domain_id'] = self.project_domain_id
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policy_dict['roles'] = self.roles
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policy_dict['is_admin_project'] = self.is_admin_project
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return policy_dict
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class DrydockRequest(falcon.request.Request):
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context_type = DrydockRequestContext
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