133 lines
4.3 KiB
Python
133 lines
4.3 KiB
Python
# vim: tabstop=4 shiftwidth=4 softtabstop=4
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# 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, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import itertools
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from webob import exc
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from heat.api.openstack.v1 import util
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from heat.common import wsgi
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from heat.engine import api as engine_api
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from heat.engine import identifier
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from heat.engine import rpcapi as engine_rpcapi
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import heat.openstack.common.rpc.common as rpc_common
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from heat.openstack.common.gettextutils import _
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summary_keys = [
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engine_api.EVENT_ID,
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engine_api.EVENT_TIMESTAMP,
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engine_api.EVENT_RES_NAME,
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engine_api.EVENT_RES_STATUS,
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engine_api.EVENT_RES_STATUS_DATA,
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engine_api.EVENT_RES_PHYSICAL_ID,
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]
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def format_event(req, event, keys=None):
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include_key = lambda k: k in keys if keys else True
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def transform(key, value):
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if not include_key(key):
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return
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if key == engine_api.EVENT_ID:
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identity = identifier.EventIdentifier(**value)
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yield ('id', identity.event_id)
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yield ('links', [util.make_link(req, identity),
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util.make_link(req, identity.resource(),
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'resource'),
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util.make_link(req, identity.stack(),
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'stack')])
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elif (key == engine_api.EVENT_STACK_ID or
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key == engine_api.EVENT_STACK_NAME):
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return
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else:
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yield (key, value)
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return dict(itertools.chain.from_iterable(
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transform(k, v) for k, v in event.items()))
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class EventController(object):
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"""
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WSGI controller for Events in Heat v1 API
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Implements the API actions
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"""
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def __init__(self, options):
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self.options = options
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self.engine = engine_rpcapi.EngineAPI()
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def _event_list(self, req, identity,
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filter_func=lambda e: True, detail=False):
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try:
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result = self.engine.list_events(req.context,
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identity)
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except rpc_common.RemoteError as ex:
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return util.remote_error(ex)
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if 'events' not in result:
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raise exc.HTTPInternalServerError()
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ev_list = result['events']
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keys = None if detail else summary_keys
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return [format_event(req, e, keys) for e in ev_list if filter_func(e)]
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@util.identified_stack
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def index(self, req, identity, resource_name=None):
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"""
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Lists summary information for all resources
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"""
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if resource_name is None:
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events = self._event_list(req, identity)
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else:
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res_match = lambda e: e[engine_api.EVENT_RES_NAME] == resource_name
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events = self._event_list(req, identity, res_match)
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if not events:
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msg = _('No events found for resource %s') % resource_name
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raise exc.HTTPNotFound(msg)
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return {'events': events}
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@util.identified_stack
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def show(self, req, identity, resource_name, event_id):
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"""
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Gets detailed information for a stack
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"""
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def event_match(ev):
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identity = identifier.EventIdentifier(**ev[engine_api.EVENT_ID])
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return (ev[engine_api.EVENT_RES_NAME] == resource_name and
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identity.event_id == event_id)
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events = self._event_list(req, identity, event_match, True)
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if not events:
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raise exc.HTTPNotFound(_('No event %s found') % event_id)
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return {'event': events[0]}
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def create_resource(options):
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"""
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Events resource factory method.
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"""
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# TODO(zaneb) handle XML based on Content-type/Accepts
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deserializer = wsgi.JSONRequestDeserializer()
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serializer = wsgi.JSONResponseSerializer()
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return wsgi.Resource(EventController(options), deserializer, serializer)
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