138 lines
4.8 KiB
Python
Executable File
138 lines
4.8 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 placement API is up 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('placement_wait_for_service')
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iterations = 60
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timeout = 10
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placement_cfg = '/etc/placement/placement.conf'
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if __name__ == '__main__':
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if os.path.isfile(placement_cfg):
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try:
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config.read(placement_cfg)
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except Exception:
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LOG.exception('Error while reading placement.conf:')
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else:
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LOG.error('Placement configuration file %s does not exist',
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placement_cfg)
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sys.exit(1)
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# get keystone client with details from [keystone_authtoken] section
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auth = v3.Password(
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user_domain_name=config.get('keystone_authtoken', 'user_domain_name'),
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username=config.get('keystone_authtoken', 'username'),
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password=config.get('keystone_authtoken', 'password'),
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project_name=config.get('keystone_authtoken', 'project_name'),
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project_domain_name=config.get('keystone_authtoken',
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'project_domain_name'),
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auth_url=config.get('keystone_authtoken', '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
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# Note: puppet-placement does not support setting the interface
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# until we have https://review.opendev.org/688862.
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# Lets hard code 'internal' for now.
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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('keystone_authtoken', 'region_name'),
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interface='internal')[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:
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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:
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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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