Source code for heat.api.cfn.v1

#    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
#    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 routes
import webob

from heat.api.cfn.v1 import signal
from heat.api.cfn.v1 import stacks
from heat.common import wsgi

[docs]class API(wsgi.Router): """WSGI router for Heat CloudFormation v1 API requests.""" _actions = { 'list': 'ListStacks', 'create': 'CreateStack', 'describe': 'DescribeStacks', 'delete': 'DeleteStack', 'update': 'UpdateStack', 'cancel_update': 'CancelUpdateStack', 'events_list': 'DescribeStackEvents', 'validate_template': 'ValidateTemplate', 'get_template': 'GetTemplate', 'estimate_template_cost': 'EstimateTemplateCost', 'describe_stack_resource': 'DescribeStackResource', 'describe_stack_resources': 'DescribeStackResources', 'list_stack_resources': 'ListStackResources', } def __init__(self, conf, **local_conf): self.conf = conf mapper = routes.Mapper() stacks_resource = stacks.create_resource(conf) mapper.resource("stack", "stacks", controller=stacks_resource, collection={'detail': 'GET'}) def conditions(action): api_action = self._actions[action] def action_match(environ, result): req = webob.Request(environ) env_action = req.params.get("Action") return env_action == api_action return {'function': action_match} for action in self._actions: mapper.connect("/", controller=stacks_resource, action=action, conditions=conditions(action)) mapper.connect("/", controller=stacks_resource, action="index") # Add controller which handles signals on resources like: # waitconditions and alarms. # This is not part of the main CFN API spec, hence handle it # separately via a different path signal_controller = signal.create_resource(conf) mapper.connect('/waitcondition/{arn:.*}', controller=signal_controller, action='update_waitcondition', conditions=dict(method=['PUT'])) mapper.connect('/signal/{arn:.*}', controller=signal_controller, action='signal', conditions=dict(method=['POST'])) super(API, self).__init__(mapper)