tripleo-heat-templates/container_config_scripts/placement_wait_for_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

136 lines
4.7 KiB
Python
Executable File

#!/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.
# shell script to check if placement API is up after X attempts.
# Default max is 60 iterations with 10s (default) timeout in between.
from configparser import ConfigParser
import logging
import logging.handlers
import os
import re
import sys
import time
from keystoneauth1.identity import v3
from keystoneauth1 import session
from keystoneclient.v3 import client
import requests
config = ConfigParser(strict=False)
debug = os.getenv('__OS_DEBUG', 'false')
if debug.lower() == 'true':
loglevel = logging.DEBUG
else:
loglevel = logging.INFO
LOG = logging.getLogger('placement_wait_for_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
placement_cfg = '/etc/placement/placement.conf'
if __name__ == '__main__':
if os.path.isfile(placement_cfg):
try:
config.read(placement_cfg)
except Exception:
LOG.exception('Error while reading placement.conf:')
else:
LOG.error('Placement configuration file %s does not exist',
placement_cfg)
sys.exit(1)
# get keystone client with details from [keystone_authtoken] section
auth = v3.Password(
user_domain_name=config.get('keystone_authtoken', 'user_domain_name'),
username=config.get('keystone_authtoken', 'username'),
password=config.get('keystone_authtoken', 'password'),
project_name=config.get('keystone_authtoken', 'project_name'),
project_domain_name=config.get('keystone_authtoken',
'project_domain_name'),
auth_url=config.get('keystone_authtoken', 'auth_url') + '/v3')
sess = session.Session(auth=auth, verify=False)
keystone = client.Client(session=sess, interface='internal')
iterations_endpoint = iterations
placement_endpoint_url = None
while iterations_endpoint > 1:
iterations_endpoint -= 1
try:
# get placement service id
placement_service_id = keystone.services.list(
name='placement')[0].id
# get placement endpoint
# Note: puppet-placement does not support setting the interface
# until we have https://review.opendev.org/688862.
# Lets hard code 'internal' for now.
placement_endpoint_url = keystone.endpoints.list(
service=placement_service_id,
region=config.get('keystone_authtoken', 'region_name'),
interface='internal')[0].url
if not placement_endpoint_url:
LOG.error('Failed to get placement service endpoint!')
else:
break
except Exception:
LOG.exception('Retry - Failed to get placement service endpoint:')
time.sleep(timeout)
if not placement_endpoint_url:
LOG.error('Failed to get placement service endpoint!')
sys.exit(1)
# we should have CURRENT in the request response from placement:
# {"versions": [{"status": "CURRENT", "min_version": "1.0", "max_version":
# "1.29", "id": "v1.0", "links": [{"href": "", "rel": "self"}]}]}
response_reg = re.compile('.*CURRENT,*')
while iterations > 1:
iterations -= 1
try:
r = requests.get(placement_endpoint_url + '/', verify=False)
if r.status_code == 200 and response_reg.match(r.text):
LOG.info('Placement service up! - %s', r.text)
sys.exit(0)
break
else:
LOG.info('response - %r', r)
LOG.info('Placement service not up - %s, %s',
r.status_code,
r.text)
except Exception:
LOG.exception('Error query the placement endpoint:')
time.sleep(timeout)
sys.exit(1)
# vim: set et ts=4 sw=4 :