118 lines
2.9 KiB
Python
Executable File
118 lines
2.9 KiB
Python
Executable File
#!/usr/bin/python
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# Copyright 2016 Canonical Ltd
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain 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,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import sys
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from charmhelpers.core.hookenv import (
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Hooks,
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config,
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log,
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relation_ids,
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relation_set,
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UnregisteredHookError,
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)
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from charmhelpers.fetch import (
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apt_install,
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)
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from nova_compute_utils import (
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restart_map,
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register_configs,
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assess_status,
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)
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from nova_compute_proxy import (
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REMOTEProxy,
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restart_on_change,
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)
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hooks = Hooks()
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CONFIGS = register_configs()
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def get_proxy():
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return REMOTEProxy(user=config('remote-user'),
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ssh_key=config('remote-key'),
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hosts=config('remote-hosts'),
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repository=config('remote-repos'),
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password=config('remote-password'))
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@hooks.hook('install.real')
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def install():
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apt_install(['fabric'], fatal=True)
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@hooks.hook('config-changed')
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def config_changed():
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proxy = get_proxy()
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proxy.install()
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proxy.configure()
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if config('instances-path') is not None:
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proxy.fix_path_ownership(config('instances-path'), user='nova')
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@restart_on_change(restart_map(), proxy.restart_service)
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def write_config():
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CONFIGS.write_all()
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write_config()
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proxy.commit()
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@hooks.hook('amqp-relation-joined')
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def amqp_joined(relation_id=None):
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relation_set(relation_id=relation_id,
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username=config('rabbit-user'),
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vhost=config('rabbit-vhost'))
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@hooks.hook('amqp-relation-broken',
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'image-service-relation-broken',
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'neutron-plugin-api-relation-broken',
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'nova-ceilometer-relation-changed',
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'cloud-compute-relation-changed',
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'neutron-plugin-api-relation-changed',
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'image-service-relation-changed',
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'amqp-relation-changed',
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'amqp-relation-departed')
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def relation_broken():
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proxy = get_proxy()
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@restart_on_change(restart_map(), proxy.restart_service)
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def write_config():
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CONFIGS.write_all()
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write_config()
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proxy.commit()
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@hooks.hook('upgrade-charm')
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def upgrade_charm():
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for r_id in relation_ids('amqp'):
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amqp_joined(relation_id=r_id)
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@hooks.hook('update-status')
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def update_status():
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log('Updating status.')
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assess_status(CONFIGS)
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if __name__ == '__main__':
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try:
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hooks.execute(sys.argv)
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except UnregisteredHookError as e:
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log('Unknown hook {} - skipping.'.format(e))
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assess_status(CONFIGS)
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