93155b544b
In python3 SafeConfigParser was renamed to ConfigParser and the default
for duplicate options default to true. In case of nova it is valid to
have duplicate option lines, e.g. pci_alias can be specified more then
once in nova.conf and results in an error like seen in
https://bugs.launchpad.net/tripleo/+bug/1827775
https://docs.python.org/3/library/configparser.html#configparser.ConfigParser
Closes-Bug: #1827775
Change-Id: I410af66d8dceb6dde84828c9bd1969aa623bf34c
(cherry picked from commit bbd2d94483)
133 lines
4.5 KiB
Python
Executable File
133 lines
4.5 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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# shell script to check if nova API DB migrations finished after X attempts.
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# Default max is 60 iterations with 10s (default) timeout in between.
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from __future__ import print_function
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import logging
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import os
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import re
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import six
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import sys
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import time
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from keystoneauth1.identity import v3
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from keystoneauth1 import session
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from keystoneclient.v3 import client
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import requests
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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_placement_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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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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# get keystone client with details from [placement] section
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auth = v3.Password(
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user_domain_name=config.get('placement', 'user_domain_name'),
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username=config.get('placement', 'username'),
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password=config.get('placement', 'password'),
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project_name=config.get('placement', 'project_name'),
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project_domain_name=config.get('placement', 'user_domain_name'),
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auth_url=config.get('placement', 'auth_url')+'/v3')
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sess = session.Session(auth=auth, verify=False)
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keystone = client.Client(session=sess, interface='internal')
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iterations_endpoint = iterations
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placement_endpoint_url = None
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while iterations_endpoint > 1:
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iterations_endpoint -= 1
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try:
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# get placement service id
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placement_service_id = keystone.services.list(
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name='placement')[0].id
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# get placement endpoint (valid_interfaces)
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placement_endpoint_url = keystone.endpoints.list(
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service=placement_service_id,
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region=config.get('placement', 'region_name'),
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interface=config.get('placement', 'valid_interfaces'))[0].url
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if not placement_endpoint_url:
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LOG.error('Failed to get placement service endpoint!')
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else:
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break
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except Exception as e:
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LOG.exception('Retry - Failed to get placement service endpoint:')
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time.sleep(timeout)
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if not placement_endpoint_url:
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LOG.error('Failed to get placement service endpoint!')
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sys.exit(1)
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# we should have CURRENT in the request response from placement:
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# {"versions": [{"status": "CURRENT", "min_version": "1.0", "max_version":
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# "1.29", "id": "v1.0", "links": [{"href": "", "rel": "self"}]}]}
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response_reg = re.compile('.*CURRENT,*')
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while iterations > 1:
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iterations -= 1
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try:
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r = requests.get(placement_endpoint_url+'/', verify=False)
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if r.status_code == 200 and response_reg.match(r.text):
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LOG.info('Placement service up! - %s', r.text)
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sys.exit(0)
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break
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else:
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LOG.info('response - %r', r)
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LOG.info('Placement service not up - %s, %s',
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r.status_code,
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r.text)
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except Exception as e:
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LOG.exception('Error query the placement endpoint:')
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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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