OpenStack Orchestration (Heat)
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#
# 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 routes
import webob
from heat.api.cloudwatch import watch
from heat.api.middleware import version_negotiation as vn
from heat.api import versions
from heat.common import wsgi
class API(wsgi.Router):
"""WSGI router for Heat CloudWatch API."""
_actions = {
'delete_alarms': 'DeleteAlarms',
'describe_alarm_history': 'DescribeAlarmHistory',
'describe_alarms': 'DescribeAlarms',
'describe_alarms_for_metric': 'DescribeAlarmsForMetric',
'disable_alarm_actions': 'DisableAlarmActions',
'enable_alarm_actions': 'EnableAlarmActions',
'get_metric_statistics': 'GetMetricStatistics',
'list_metrics': 'ListMetrics',
'put_metric_alarm': 'PutMetricAlarm',
'put_metric_data': 'PutMetricData',
'set_alarm_state': 'SetAlarmState',
}
def __init__(self, conf, **local_conf):
self.conf = conf
mapper = routes.Mapper()
controller_resource = watch.create_resource(conf)
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=controller_resource, action=action,
conditions=conditions(action))
mapper.connect("/", controller=controller_resource, action="index")
super(API, self).__init__(mapper)
def version_negotiation_filter(app, conf, **local_conf):
return vn.VersionNegotiationFilter(versions.Controller, app,
conf, **local_conf)