Heat templates for deploying OpenStack
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#!/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 nova API DB migrations finished after X attempts.
# Default max is 60 iterations with 10s (default) timeout in between.
from __future__ import print_function
import logging
import os
import re
import six
import sys
import time
from keystoneauth1.identity import v3
from keystoneauth1 import session
from keystoneclient.v3 import client
import requests
# 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. passthrough_whitelist which leads to
# issues reading the nova.conf
# https://bugs.launchpad.net/tripleo/+bug/1827775
if six.PY3:
from six.moves.configparser import ConfigParser
config = ConfigParser(strict=False)
else:
from six.moves.configparser import SafeConfigParser
config = SafeConfigParser()
debug = os.getenv('__OS_DEBUG', 'false')
if debug.lower() == 'true':
loglevel = logging.DEBUG
else:
loglevel = logging.INFO
logging.basicConfig(stream=sys.stdout, level=loglevel)
LOG = logging.getLogger('nova_wait_for_placement_service')
iterations = 60
timeout = 10
nova_cfg = '/etc/nova/nova.conf'
if __name__ == '__main__':
if os.path.isfile(nova_cfg):
try:
config.read(nova_cfg)
except Exception as e:
LOG.exception('Error while reading nova.conf:')
else:
LOG.error('Nova configuration file %s does not exist', nova_cfg)
sys.exit(1)
# get keystone client with details from [placement] section
auth = v3.Password(
user_domain_name=config.get('placement', 'user_domain_name'),
username=config.get('placement', 'username'),
password=config.get('placement', 'password'),
project_name=config.get('placement', 'project_name'),
project_domain_name=config.get('placement', 'user_domain_name'),
auth_url=config.get('placement', '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 (valid_interfaces)
placement_endpoint_url = keystone.endpoints.list(
service=placement_service_id,
region=config.get('placement', 'region_name'),
interface=config.get('placement', 'valid_interfaces'))[0].url
if not placement_endpoint_url:
LOG.error('Failed to get placement service endpoint!')
else:
break
except Exception as e:
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 as e:
LOG.exception('Error query the placement endpoint:')
time.sleep(timeout)
sys.exit(1)
# vim: set et ts=4 sw=4 :