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
# 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.
from oslo_config import cfg
from heatclient import client as hc
from heatclient import exc
from heat.engine.clients import client_plugin
CLIENT_NAME = 'heat'
class HeatClientPlugin(client_plugin.ClientPlugin):
exceptions_module = exc
service_types = [ORCHESTRATION,
CLOUDFORMATION] = ['orchestration', 'cloudformation']
def _create(self):
endpoint = self.get_heat_url()
args = {}
if self._get_client_option(CLIENT_NAME, 'url'):
# assume that the heat API URL is manually configured because
# it is not in the keystone catalog, so include the credentials
# for the standalone auth_password middleware
args['username'] = self.context.username
args['password'] = self.context.password
return hc.Client('1', endpoint_override=endpoint,
def is_not_found(self, ex):
return isinstance(ex, exc.HTTPNotFound)
def is_over_limit(self, ex):
return isinstance(ex, exc.HTTPOverLimit)
def is_conflict(self, ex):
return isinstance(ex, exc.HTTPConflict)
def get_heat_url(self):
heat_url = self._get_client_option(CLIENT_NAME, 'url')
if heat_url:
tenant_id = self.context.tenant_id
heat_url = heat_url % {'tenant_id': tenant_id}
endpoint_type = self._get_client_option(CLIENT_NAME,
heat_url = self.url_for(service_type=self.ORCHESTRATION,
return heat_url
def get_heat_cfn_url(self):
endpoint_type = self._get_client_option(CLIENT_NAME,
heat_cfn_url = self.url_for(service_type=self.CLOUDFORMATION,
return heat_cfn_url
def get_cfn_metadata_server_url(self):
# Historically, we've required heat_metadata_server_url set in
# heat.conf, which simply points to the heat-api-cfn endpoint in
# most cases, so fall back to looking in the catalog when not set
config_url = cfg.CONF.heat_metadata_server_url
if config_url is None:
config_url = self.get_heat_cfn_url()
# Backwards compatibility, previous heat_metadata_server_url
# values didn't have to include the version path suffix
# Also, we always added a trailing "/" in nova/,
# which looks not required by os-collect-config, but maintain
# to avoid any risk other folks have scripts which expect it.
if '/v1' not in config_url:
config_url += '/v1'
if config_url and config_url[-1] != "/":
config_url += '/'
return config_url
def get_insecure_option(self):
return self._get_client_option(CLIENT_NAME, 'insecure')