# vim: tabstop=4 shiftwidth=4 softtabstop=4
#
# 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 itertools
from webob import exc
from heat.api.openstack.v1 import util
from heat.common import wsgi
from heat.rpc import api as engine_api
from heat.common import identifier
from heat.rpc import client as rpc_client
summary_keys = [
engine_api.EVENT_ID,
engine_api.EVENT_TIMESTAMP,
engine_api.EVENT_RES_NAME,
engine_api.EVENT_RES_STATUS,
engine_api.EVENT_RES_STATUS_DATA,
engine_api.EVENT_RES_PHYSICAL_ID,
]
[docs]class EventController(object):
"""
WSGI controller for Events in Heat v1 API
Implements the API actions
"""
def __init__(self, options):
self.options = options
self.engine = rpc_client.EngineClient()
def _event_list(self, req, identity,
filter_func=lambda e: True, detail=False):
events = self.engine.list_events(req.context,
identity)
keys = None if detail else summary_keys
return [format_event(req, e, keys) for e in events if filter_func(e)]
@util.identified_stack
[docs] def index(self, req, identity, resource_name=None):
"""
Lists summary information for all resources
"""
if resource_name is None:
events = self._event_list(req, identity)
else:
res_match = lambda e: e[engine_api.EVENT_RES_NAME] == resource_name
events = self._event_list(req, identity, res_match)
if not events:
msg = _('No events found for resource %s') % resource_name
raise exc.HTTPNotFound(msg)
return {'events': events}
@util.identified_stack
[docs] def show(self, req, identity, resource_name, event_id):
"""
Gets detailed information for a stack
"""
def event_match(ev):
identity = identifier.EventIdentifier(**ev[engine_api.EVENT_ID])
return (ev[engine_api.EVENT_RES_NAME] == resource_name and
identity.event_id == event_id)
events = self._event_list(req, identity, event_match, True)
if not events:
raise exc.HTTPNotFound(_('No event %s found') % event_id)
return {'event': events[0]}
[docs]def create_resource(options):
"""
Events resource factory method.
"""
# TODO(zaneb) handle XML based on Content-type/Accepts
deserializer = wsgi.JSONRequestDeserializer()
serializer = wsgi.JSONResponseSerializer()
return wsgi.Resource(EventController(options), deserializer, serializer)