170 lines
6.1 KiB
Python
170 lines
6.1 KiB
Python
#
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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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import six
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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.i18n import _
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from heat.common import identifier
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from heat.common import param_utils
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from heat.common import serializers
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from heat.common import wsgi
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from heat.rpc import api as rpc_api
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from heat.rpc import client as rpc_client
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summary_keys = [
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rpc_api.EVENT_ID,
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rpc_api.EVENT_TIMESTAMP,
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rpc_api.EVENT_RES_NAME,
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rpc_api.EVENT_RES_STATUS,
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rpc_api.EVENT_RES_STATUS_DATA,
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rpc_api.EVENT_RES_PHYSICAL_ID,
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]
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def format_event(req, event, keys=None):
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def include_key(k):
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return 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 == rpc_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 in (rpc_api.EVENT_STACK_ID, rpc_api.EVENT_STACK_NAME,
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rpc_api.EVENT_RES_ACTION):
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return
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elif (key == rpc_api.EVENT_RES_STATUS and
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rpc_api.EVENT_RES_ACTION in event):
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# To avoid breaking API compatibility, we join RES_ACTION
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# and RES_STATUS, so the API format doesn't expose the
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# internal split of state into action/status
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yield (key, '_'.join((event[rpc_api.EVENT_RES_ACTION], value)))
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elif (key == rpc_api.RES_NAME):
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yield ('logical_resource_id', value)
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yield (key, value)
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else:
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yield (key, value)
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ev = dict(itertools.chain.from_iterable(
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transform(k, v) for k, v in event.items()))
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root_stack_id = event.get(rpc_api.EVENT_ROOT_STACK_ID)
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if root_stack_id:
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root_identifier = identifier.HeatIdentifier(**root_stack_id)
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ev['links'].append(util.make_link(req, root_identifier, 'root_stack'))
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return ev
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class EventController(object):
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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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# Define request scope (must match what is in policy.json or policies in
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# code)
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REQUEST_SCOPE = 'events'
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def __init__(self, options):
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self.options = options
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self.rpc_client = rpc_client.EngineClient()
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def _event_list(self, req, identity, detail=False, filters=None,
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limit=None, marker=None, sort_keys=None, sort_dir=None,
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nested_depth=None):
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events = self.rpc_client.list_events(req.context,
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identity,
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filters=filters,
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limit=limit,
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marker=marker,
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sort_keys=sort_keys,
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sort_dir=sort_dir,
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nested_depth=nested_depth)
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keys = None if detail else summary_keys
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return [format_event(req, e, keys) for e in events]
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@util.registered_identified_stack
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def index(self, req, identity, resource_name=None):
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"""Lists summary information for all events."""
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whitelist = {
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'limit': util.PARAM_TYPE_SINGLE,
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'marker': util.PARAM_TYPE_SINGLE,
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'sort_dir': util.PARAM_TYPE_SINGLE,
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'sort_keys': util.PARAM_TYPE_MULTI,
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'nested_depth': util.PARAM_TYPE_SINGLE,
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}
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filter_whitelist = {
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'resource_status': util.PARAM_TYPE_MIXED,
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'resource_action': util.PARAM_TYPE_MIXED,
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'resource_name': util.PARAM_TYPE_MIXED,
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'resource_type': util.PARAM_TYPE_MIXED,
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}
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params = util.get_allowed_params(req.params, whitelist)
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filter_params = util.get_allowed_params(req.params, filter_whitelist)
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int_params = (rpc_api.PARAM_LIMIT, rpc_api.PARAM_NESTED_DEPTH)
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try:
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for key in int_params:
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if key in params:
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params[key] = param_utils.extract_int(
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key, params[key], allow_zero=True)
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except ValueError as e:
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raise exc.HTTPBadRequest(six.text_type(e))
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if resource_name is None:
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if not filter_params:
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filter_params = None
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else:
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filter_params['resource_name'] = resource_name
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events = self._event_list(
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req, identity, filters=filter_params, **params)
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if not events and resource_name is not None:
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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.registered_identified_stack
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def show(self, req, identity, resource_name, event_id):
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"""Gets detailed information for an event."""
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filters = {"resource_name": resource_name, "uuid": event_id}
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events = self._event_list(req, identity, filters=filters, detail=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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"""Events resource factory method."""
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deserializer = wsgi.JSONRequestDeserializer()
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serializer = serializers.JSONResponseSerializer()
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return wsgi.Resource(EventController(options), deserializer, serializer)
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