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# Copyright (c) 2020 Mirantis Inc.
#
# 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
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# 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.
"""
Openstack Client - Main File
"""
import os_client_config
from oslo_log import log as logging
from oslo_utils import importutils
LOG = logging.getLogger(__name__)
class OpenStackClientException(Exception):
'''
Custom Exception
'''
def init_profiling(os_profile):
"""
Initialize Profiling
"""
if os_profile:
osprofiler_profiler = importutils.try_import("osprofiler.profiler")
if osprofiler_profiler: # lib is present
osprofiler_profiler.init(os_profile)
trace_id = osprofiler_profiler.get().get_base_id()
LOG.info('Profiling is enabled, trace id: %s', trace_id)
else: # param is set, but lib is not present
LOG.warning('Profiling could not be enabled. To enable profiling '
'please install "osprofiler" library')
class OpenStackClient():
"""
Client Class
"""
def __init__(self, openstack_params):
"""
Initialize
"""
LOG.debug('Establishing connection to OpenStack')
init_profiling(openstack_params.get('os_profile'))
config = os_client_config.OpenStackConfig()
cloud_config = config.get_one_cloud(**openstack_params)
if openstack_params['os_insecure']:
cloud_config.config['verify'] = False
cloud_config.config['cacert'] = None
self.keystone_session = cloud_config.get_session()
self.nova = cloud_config.get_legacy_client('compute')
self.neutron = cloud_config.get_legacy_client('network')
self.glance = cloud_config.get_legacy_client('image')
# heat client wants endpoint to be always set
endpoint = cloud_config.get_session_endpoint('orchestration')
if not endpoint:
raise OpenStackClientException(
'Endpoint for orchestration service is not found')
self.heat = cloud_config.get_legacy_client('orchestration',
endpoint=endpoint)
# Ping OpenStack
self.keystone_session.get_token()
LOG.info('Connection to OpenStack is initialized')
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