109 lines
3.5 KiB
Python
Executable File
109 lines
3.5 KiB
Python
Executable File
#!/usr/bin/env python
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#
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# Copyright 2018 Red Hat Inc.
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#
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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 argparse
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import logging
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import os
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import six
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import sys
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import time
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from keystoneauth1 import loading
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from keystoneauth1 import session
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from novaclient import client
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from novaclient.exceptions import ClientException
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# In python3 SafeConfigParser was renamed to ConfigParser and the default
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# for duplicate options default to true. In case of nova it is valid to
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# have duplicate option lines, e.g. passthrough_whitelist which leads to
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# issues reading the nova.conf
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# https://bugs.launchpad.net/tripleo/+bug/1827775
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if six.PY3:
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from six.moves.configparser import ConfigParser
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config = ConfigParser(strict=False)
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else:
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from six.moves.configparser import SafeConfigParser
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config = SafeConfigParser()
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debug = os.getenv('__OS_DEBUG', 'false')
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if debug.lower() == 'true':
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loglevel = logging.DEBUG
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else:
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loglevel = logging.INFO
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logging.basicConfig(stream=sys.stdout, level=loglevel)
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LOG = logging.getLogger('nova_wait_for_api_service')
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iterations = 60
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timeout = 10
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nova_cfg = '/etc/nova/nova.conf'
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if __name__ == '__main__':
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parser = argparse.ArgumentParser(usage='%(prog)s [options]')
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parser.add_argument('-k', '--insecure',
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action="store_false",
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dest='insecure',
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default=True,
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help='Allow insecure connection when using SSL')
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args = parser.parse_args()
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LOG.debug('Running with parameter insecure = %s',
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args.insecure)
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if os.path.isfile(nova_cfg):
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try:
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config.read(nova_cfg)
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except Exception:
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LOG.exception('Error while reading nova.conf:')
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else:
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LOG.error('Nova configuration file %s does not exist', nova_cfg)
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sys.exit(1)
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loader = loading.get_plugin_loader('password')
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auth = loader.load_from_options(
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auth_url=config.get('neutron',
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'auth_url'),
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username=config.get('neutron',
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'username'),
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password=config.get('neutron',
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'password'),
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project_name=config.get('neutron',
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'project_name'),
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project_domain_name=config.get('neutron',
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'project_domain_name'),
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user_domain_name=config.get('neutron',
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'user_domain_name'))
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sess = session.Session(auth=auth, verify=args.insecure)
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# Wait until this host is listed in the service list
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for i in range(iterations):
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try:
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nova = client.Client('2.11', session=sess, endpoint_type='internal')
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nova.versions.list()
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LOG.info('Nova-api service active')
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sys.exit(0)
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except ClientException:
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LOG.info('Waiting for nova-api service')
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except Exception:
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LOG.exception(
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'Error while waiting for nova-api service')
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time.sleep(timeout)
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sys.exit(1)
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# vim: set et ts=4 sw=4 :
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