142 lines
3.4 KiB
Python
Executable File
142 lines
3.4 KiB
Python
Executable File
#!/usr/bin/python
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import sys
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from charmhelpers.contrib.openstack.utils import (
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config_value_changed,
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git_install_requested,
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)
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from charmhelpers.core.hookenv import (
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Hooks,
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UnregisteredHookError,
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config,
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log,
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relation_set,
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relation_ids,
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)
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from charmhelpers.core.host import (
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restart_on_change
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)
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from charmhelpers.contrib.openstack.utils import (
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os_requires_version,
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set_os_workload_status,
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)
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from neutron_ovs_utils import (
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DHCP_PACKAGES,
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DVR_PACKAGES,
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configure_ovs,
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git_install,
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get_topics,
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get_shared_secret,
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register_configs,
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restart_map,
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use_dvr,
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enable_nova_metadata,
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enable_local_dhcp,
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install_packages,
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purge_packages,
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REQUIRED_INTERFACES,
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check_optional_relations,
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)
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hooks = Hooks()
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CONFIGS = register_configs()
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@hooks.hook()
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def install():
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install_packages()
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git_install(config('openstack-origin-git'))
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@hooks.hook('neutron-plugin-relation-changed')
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@hooks.hook('config-changed')
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@restart_on_change(restart_map())
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def config_changed():
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install_packages()
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if git_install_requested():
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if config_value_changed('openstack-origin-git'):
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git_install(config('openstack-origin-git'))
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configure_ovs()
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CONFIGS.write_all()
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for rid in relation_ids('zeromq-configuration'):
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zeromq_configuration_relation_joined(rid)
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for rid in relation_ids('neutron-plugin'):
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neutron_plugin_joined(relation_id=rid)
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@hooks.hook('neutron-plugin-api-relation-changed')
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@restart_on_change(restart_map())
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def neutron_plugin_api_changed():
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if use_dvr():
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install_packages()
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else:
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purge_packages(DVR_PACKAGES)
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configure_ovs()
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CONFIGS.write_all()
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# If dvr setting has changed, need to pass that on
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for rid in relation_ids('neutron-plugin'):
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neutron_plugin_joined(relation_id=rid)
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@hooks.hook('neutron-plugin-relation-joined')
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def neutron_plugin_joined(relation_id=None):
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if enable_local_dhcp():
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install_packages()
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else:
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purge_packages(DHCP_PACKAGES)
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secret = get_shared_secret() if enable_nova_metadata() else None
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rel_data = {
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'metadata-shared-secret': secret,
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}
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relation_set(relation_id=relation_id, **rel_data)
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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-changed')
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@hooks.hook('amqp-relation-departed')
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@restart_on_change(restart_map())
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def amqp_changed():
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if 'amqp' not in CONFIGS.complete_contexts():
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log('amqp relation incomplete. Peer not ready?')
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return
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CONFIGS.write_all()
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@hooks.hook('zeromq-configuration-relation-joined')
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@os_requires_version('kilo', 'neutron-common')
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def zeromq_configuration_relation_joined(relid=None):
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relation_set(relation_id=relid,
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topics=" ".join(get_topics()),
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users="neutron")
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@hooks.hook('zeromq-configuration-relation-changed')
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@restart_on_change(restart_map(), stopstart=True)
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def zeromq_configuration_relation_changed():
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CONFIGS.write_all()
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def 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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set_os_workload_status(CONFIGS, REQUIRED_INTERFACES,
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charm_func=check_optional_relations)
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if __name__ == '__main__':
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main()
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