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116 lines
3.9 KiB
116 lines
3.9 KiB
#!/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 as e: |
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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 as e: |
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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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