63 lines
1.7 KiB
Python
63 lines
1.7 KiB
Python
#!/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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import logging
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import os
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import random
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import subprocess
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import sys
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import time
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random.seed()
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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_cell_v2_discover_hosts')
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iterations = 10
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timeout_max = 30
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nova_cfg = '/etc/nova/nova.conf'
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if __name__ == '__main__':
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if not os.path.isfile(nova_cfg):
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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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for i in range(iterations):
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try:
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subprocess.check_call([
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'/usr/bin/nova-manage',
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'cell_v2',
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'discover_hosts',
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'--by-service',
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'--verbose'
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])
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sys.exit(0)
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except subprocess.CalledProcessError as e:
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LOG.error('Cell v2 discovery failed with exit code %d, retrying',
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e.returncode)
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except Exception as e:
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LOG.exception('Error during host discovery')
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time.sleep(random.randint(1, timeout_max))
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sys.exit(1)
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# vim: set et ts=4 sw=4 :
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