f47dfe1059
This change makes sure that we apply pyflake8 checks on all python codes to improve its readability. Note that there are some rules applied for other OpenStack projects, but not yet turned on, which should be enabled in the future. Change-Id: Iaf0299983d3a3fe48e3beb8f47bd33c21deb4972
117 lines
3.9 KiB
Python
117 lines
3.9 KiB
Python
#!/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 logging
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from optparse import OptionParser
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import os
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import six
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import socket
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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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# 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_compute_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 = OptionParser(usage="usage: %prog [options]")
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parser.add_option('-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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(options, args) = parser.parse_args()
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LOG.debug('Running with parameter insecure = %s',
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options.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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my_host = config.get('DEFAULT', 'host')
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if not my_host:
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# If host isn't set nova defaults to this
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my_host = socket.gethostname()
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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=options.insecure)
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nova = client.Client('2.11', session=sess, endpoint_type='internal')
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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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service_list = nova.services.list(binary='nova-compute')
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for entry in service_list:
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host = getattr(entry, 'host', '')
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zone = getattr(entry, 'zone', '')
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if host == my_host and zone != 'internal':
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LOG.info('Nova-compute service registered')
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sys.exit(0)
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LOG.info('Waiting for nova-compute service to register')
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except Exception:
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LOG.exception(
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'Error while waiting for nova-compute service to register')
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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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