202 lines
7.8 KiB
Python
202 lines
7.8 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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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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def format_resource(req, res, keys=None):
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keys = keys or []
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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.RES_ID:
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identity = identifier.ResourceIdentifier(**value)
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links = [util.make_link(req, identity),
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util.make_link(req, identity.stack(), 'stack')]
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nested_id = res.get(rpc_api.RES_NESTED_STACK_ID)
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if nested_id:
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nested_identity = identifier.HeatIdentifier(**nested_id)
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links.append(util.make_link(req, nested_identity, 'nested'))
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yield ('links', links)
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elif (key == rpc_api.RES_STACK_NAME or
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key == rpc_api.RES_STACK_ID or
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key == rpc_api.RES_ACTION or
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key == rpc_api.RES_NESTED_STACK_ID):
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return
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elif (key == rpc_api.RES_METADATA):
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return
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elif (key == rpc_api.RES_STATUS and rpc_api.RES_ACTION in res):
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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((res[rpc_api.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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return dict(itertools.chain.from_iterable(
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transform(k, v) for k, v in res.items()))
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class ResourceController(object):
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"""WSGI controller for Resources 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.yaml or policies in
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# code)
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REQUEST_SCOPE = 'resource'
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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 _extract_to_param(self, req, rpc_param, extractor, default):
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key = rpc_param
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if key in req.params:
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try:
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return extractor(key, req.params[key])
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except ValueError as e:
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raise exc.HTTPBadRequest(str(e))
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else:
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return default
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@util.registered_identified_stack
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def index(self, req, identity):
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"""Lists information for all resources."""
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param_types = {
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'type': util.PARAM_TYPE_MIXED,
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'status': util.PARAM_TYPE_MIXED,
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'name': util.PARAM_TYPE_MIXED,
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'action': util.PARAM_TYPE_MIXED,
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'id': util.PARAM_TYPE_MIXED,
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'physical_resource_id': util.PARAM_TYPE_MIXED,
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}
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invalid_keys = (set(req.params.keys()) -
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set(list(param_types) + [rpc_api.PARAM_NESTED_DEPTH,
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rpc_api.PARAM_WITH_DETAIL]))
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if invalid_keys:
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raise exc.HTTPBadRequest(_('Invalid filter parameters %s') %
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str(list(invalid_keys)))
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nested_depth = self._extract_to_param(req,
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rpc_api.PARAM_NESTED_DEPTH,
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param_utils.extract_int,
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default=0)
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with_detail = self._extract_to_param(req,
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rpc_api.PARAM_WITH_DETAIL,
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param_utils.extract_bool,
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default=False)
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params = util.get_allowed_params(req.params, param_types)
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res_list = self.rpc_client.list_stack_resources(req.context,
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identity,
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nested_depth,
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with_detail,
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filters=params)
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return {'resources': [format_resource(req, res) for res in res_list]}
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@util.registered_identified_stack
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def show(self, req, identity, resource_name):
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"""Gets detailed information for a resource."""
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param_types = {'with_attr': util.PARAM_TYPE_MULTI}
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params = util.get_allowed_params(req.params, param_types)
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if 'with_attr' not in params:
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params['with_attr'] = None
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res = self.rpc_client.describe_stack_resource(req.context,
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identity,
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resource_name,
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**params)
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return {'resource': format_resource(req, res)}
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@util.registered_identified_stack
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def metadata(self, req, identity, resource_name):
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"""Gets metadata information for a resource."""
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res = self.rpc_client.describe_stack_resource(req.context,
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identity,
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resource_name)
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return {rpc_api.RES_METADATA: res[rpc_api.RES_METADATA]}
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@util.registered_identified_stack
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def signal(self, req, identity, resource_name, body=None):
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self.rpc_client.resource_signal(req.context,
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stack_identity=identity,
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resource_name=resource_name,
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details=body)
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@util.registered_identified_stack
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def mark_unhealthy(self, req, identity, resource_name, body):
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"""Mark a resource as healthy or unhealthy."""
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data = dict()
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VALID_KEYS = (RES_UPDATE_MARK_UNHEALTHY, RES_UPDATE_STATUS_REASON) = (
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'mark_unhealthy', rpc_api.RES_STATUS_DATA)
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invalid_keys = set(body) - set(VALID_KEYS)
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if invalid_keys:
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raise exc.HTTPBadRequest(_("Invalid keys in resource "
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"mark unhealthy %s") % invalid_keys)
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if RES_UPDATE_MARK_UNHEALTHY not in body:
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raise exc.HTTPBadRequest(
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_("Missing mandatory (%s) key from mark unhealthy "
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"request") % RES_UPDATE_MARK_UNHEALTHY)
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try:
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data[RES_UPDATE_MARK_UNHEALTHY] = param_utils.extract_bool(
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RES_UPDATE_MARK_UNHEALTHY,
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body[RES_UPDATE_MARK_UNHEALTHY])
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except ValueError as e:
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raise exc.HTTPBadRequest(str(e))
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data[RES_UPDATE_STATUS_REASON] = body.get(RES_UPDATE_STATUS_REASON, "")
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self.rpc_client.resource_mark_unhealthy(req.context,
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stack_identity=identity,
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resource_name=resource_name,
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**data)
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def create_resource(options):
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"""Resources resource factory method."""
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deserializer = wsgi.JSONRequestDeserializer()
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serializer = serializers.JSONResponseSerializer()
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return wsgi.Resource(ResourceController(options), deserializer, serializer)
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