tripleo-heat-templates/container_config_scripts/nova_wait_for_compute_service.py
Bogdan Dobrelya dbf5d36fdf Add timestamps to nova/placement wait for scripts
Related-bug: #1951577

Change-Id: I5ca99f53540d27b3e7824d22910ddc69cae3c9d0
Signed-off-by: Bogdan Dobrelya <bdobreli@redhat.com>
2021-11-22 11:02:03 +01:00

119 lines
3.9 KiB
Python

#!/usr/bin/env python
#
# Copyright 2018 Red Hat Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
import argparse
from configparser import ConfigParser
import logging
import logging.handlers
import os
import socket
import sys
import time
from keystoneauth1 import loading
from keystoneauth1 import session
from novaclient import client
config = ConfigParser(strict=False)
debug = os.getenv('__OS_DEBUG', 'false')
if debug.lower() == 'true':
loglevel = logging.DEBUG
else:
loglevel = logging.INFO
LOG = logging.getLogger('nova_wait_for_compute_service')
LOG_FORMAT = ('%(asctime)s.%(msecs)03d %(levelname)s '
'%(name)s %(message)s')
DATE_FORMAT = '%Y-%m-%d %H:%M:%S'
LOG.handlers.clear()
LOG.setLevel(loglevel)
LOG.propagate = True
formatter = logging.Formatter(fmt=LOG_FORMAT, datefmt=DATE_FORMAT)
stream_handler = logging.StreamHandler(sys.stdout)
stream_handler.setFormatter(formatter)
LOG.addHandler(stream_handler)
iterations = 60
timeout = 10
nova_cfg = '/etc/nova/nova.conf'
if __name__ == '__main__':
parser = argparse.ArgumentParser(usage='%(prog)s [options]')
parser.add_argument('-k', '--insecure',
action="store_false",
dest='insecure',
default=True,
help='Allow insecure connection when using SSL')
args = parser.parse_args()
LOG.debug('Running with parameter insecure = %s',
args.insecure)
if os.path.isfile(nova_cfg):
try:
config.read(nova_cfg)
except Exception:
LOG.exception('Error while reading nova.conf:')
else:
LOG.error('Nova configuration file %s does not exist', nova_cfg)
sys.exit(1)
my_host = config.get('DEFAULT', 'host')
if not my_host:
# If host isn't set nova defaults to this
my_host = socket.gethostname()
loader = loading.get_plugin_loader('password')
auth = loader.load_from_options(
auth_url=config.get('neutron',
'auth_url'),
username=config.get('neutron',
'username'),
password=config.get('neutron',
'password'),
project_name=config.get('neutron',
'project_name'),
project_domain_name=config.get('neutron',
'project_domain_name'),
user_domain_name=config.get('neutron',
'user_domain_name'))
sess = session.Session(auth=auth, verify=args.insecure)
nova = client.Client('2.11', session=sess, endpoint_type='internal',
region_name=config.get('neutron', 'region_name'))
# Wait until this host is listed in the service list
for i in range(iterations):
try:
service_list = nova.services.list(binary='nova-compute')
for entry in service_list:
host = getattr(entry, 'host', '')
zone = getattr(entry, 'zone', '')
if host == my_host and zone != 'internal':
LOG.info('Nova-compute service registered')
sys.exit(0)
LOG.info('Waiting for nova-compute service to register')
except Exception:
LOG.exception(
'Error while waiting for nova-compute service to register')
time.sleep(timeout)
sys.exit(1)
# vim: set et ts=4 sw=4 :