98 lines
2.9 KiB
Python
98 lines
2.9 KiB
Python
# Copyright (c) 2021 Red Hat, Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain 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,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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# implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import logging
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import os
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from osc_lib import utils as osc_lib_utils
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LOG = logging.getLogger(__name__)
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heatclient = None
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class EphemeralHeatClient(object):
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"""A Heat client shim class to be used with ephemeral Heat.
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When the heat client is used to talk to the Heat API, the environment will
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be set with the correct variable configuration to configure Keystone for
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auth type none and to use a direct endpoint.
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After the client is finished, the environment is restored. This is
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necessary so that the entire system environment is not reconfigured for
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auth_type=none for the duration of the tripleoclient execution.
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:param heat: Heat client
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:type heat: `heatclient.heatclient`
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"""
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def __init__(self, heat, host, port):
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self.heat = heat
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self.host = host
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self.port = port
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os.environ['OS_HEAT_TYPE'] = 'ephemeral'
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os.environ['OS_HEAT_HOST'] = host
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os.environ['OS_HEAT_PORT'] = str(port)
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def save_environment(self):
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self.environ = os.environ.copy()
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for v in ('OS_USER_DOMAIN_NAME',
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'OS_PROJECT_DOMAIN_NAME',
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'OS_PROJECT_NAME'):
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os.environ.pop(v, None)
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os.environ['OS_AUTH_TYPE'] = "none"
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os.environ['OS_ENDPOINT'] = self.heat.http_client.endpoint
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def restore_environment(self):
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os.environ = self.environ.copy()
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def __getattr__(self, attr):
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self.save_environment()
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try:
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val = getattr(self.heat, attr)
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finally:
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self.restore_environment()
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return val
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def local_orchestration_client(host="127.0.0.1", api_port=8006):
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"""Returns a local orchestration service client"""
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API_VERSIONS = {
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'1': 'heatclient.v1.client.Client',
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}
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heat_client = osc_lib_utils.get_client_class(
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'tripleoclient',
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'1',
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API_VERSIONS)
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LOG.debug('Instantiating local_orchestration client for '
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'host %s, port %s: %s',
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host, api_port, heat_client)
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endpoint = 'http://%s:%s/v1/admin' % (host, api_port)
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client = heat_client(
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endpoint=endpoint,
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username='admin',
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password='fake',
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region_name='regionOne',
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token='fake',
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)
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global heatclient
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heatclient = EphemeralHeatClient(client, host, api_port)
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return heatclient
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