345 lines
10 KiB
Python
Executable File
345 lines
10 KiB
Python
Executable File
#!/usr/bin/python
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from base64 import b64decode
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from charmhelpers.core.hookenv import (
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log, ERROR, WARNING,
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config,
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is_relation_made,
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relation_get,
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relation_set,
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relation_ids,
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unit_get,
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Hooks, UnregisteredHookError
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)
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from charmhelpers.fetch import (
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apt_update,
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apt_install,
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filter_installed_packages,
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apt_purge,
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)
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from charmhelpers.core.host import (
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restart_on_change,
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lsb_release,
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)
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from charmhelpers.contrib.hahelpers.cluster import(
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get_hacluster_config,
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eligible_leader
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)
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from charmhelpers.contrib.hahelpers.apache import(
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install_ca_cert
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)
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from charmhelpers.contrib.openstack.utils import (
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config_value_changed,
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configure_installation_source,
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openstack_upgrade_available,
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os_requires_version,
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)
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from charmhelpers.payload.execd import execd_preinstall
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from charmhelpers.core.sysctl import create as create_sysctl
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from charmhelpers.contrib.charmsupport import nrpe
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import sys
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from neutron_utils import (
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L3HA_PACKAGES,
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register_configs,
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restart_map,
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services,
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do_openstack_upgrade,
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get_packages,
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get_early_packages,
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get_common_package,
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get_topics,
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git_install,
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git_install_requested,
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valid_plugin,
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configure_ovs,
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stop_services,
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cache_env_data,
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update_legacy_ha_files,
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remove_legacy_ha_files,
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install_legacy_ha_files,
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cleanup_ovs_netns,
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reassign_agent_resources,
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stop_neutron_ha_monitor_daemon,
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use_l3ha,
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)
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hooks = Hooks()
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CONFIGS = register_configs()
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@hooks.hook('install.real')
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def install():
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execd_preinstall()
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src = config('openstack-origin')
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if (lsb_release()['DISTRIB_CODENAME'] == 'precise' and
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src == 'distro'):
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src = 'cloud:precise-folsom'
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configure_installation_source(src)
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apt_update(fatal=True)
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apt_install('python-six', fatal=True) # Force upgrade
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if valid_plugin():
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apt_install(filter_installed_packages(get_early_packages()),
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fatal=True)
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apt_install(filter_installed_packages(get_packages()),
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fatal=True)
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git_install(config('openstack-origin-git'))
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else:
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log('Please provide a valid plugin config', level=ERROR)
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sys.exit(1)
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# Legacy HA for Icehouse
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update_legacy_ha_files()
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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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global CONFIGS
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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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CONFIGS.write_all()
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elif not config('action-managed-upgrade'):
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if openstack_upgrade_available(get_common_package()):
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do_openstack_upgrade(CONFIGS)
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update_nrpe_config()
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sysctl_dict = config('sysctl')
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if sysctl_dict:
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create_sysctl(sysctl_dict, '/etc/sysctl.d/50-quantum-gateway.conf')
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# Re-run joined hooks as config might have changed
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for r_id in relation_ids('shared-db'):
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db_joined(relation_id=r_id)
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for r_id in relation_ids('pgsql-db'):
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pgsql_db_joined(relation_id=r_id)
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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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for r_id in relation_ids('amqp-nova'):
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amqp_nova_joined(relation_id=r_id)
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for rid in relation_ids('zeromq-configuration'):
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zeromq_configuration_relation_joined(rid)
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if valid_plugin():
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CONFIGS.write_all()
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configure_ovs()
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else:
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log('Please provide a valid plugin config', level=ERROR)
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sys.exit(1)
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if config('plugin') == 'n1kv':
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if not git_install_requested():
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if config('enable-l3-agent'):
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apt_install(filter_installed_packages('neutron-l3-agent'))
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else:
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apt_purge('neutron-l3-agent')
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# Setup legacy ha configurations
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update_legacy_ha_files()
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@hooks.hook('upgrade-charm')
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def upgrade_charm():
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install()
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config_changed()
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update_legacy_ha_files(force=True)
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@hooks.hook('shared-db-relation-joined')
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def db_joined(relation_id=None):
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if is_relation_made('pgsql-db'):
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# raise error
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e = ('Attempting to associate a mysql database when there is already '
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'associated a postgresql one')
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log(e, level=ERROR)
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raise Exception(e)
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relation_set(username=config('database-user'),
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database=config('database'),
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hostname=unit_get('private-address'),
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relation_id=relation_id)
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@hooks.hook('pgsql-db-relation-joined')
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def pgsql_db_joined(relation_id=None):
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if is_relation_made('shared-db'):
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# raise error
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e = ('Attempting to associate a postgresql database when there'
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' is already associated a mysql one')
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log(e, level=ERROR)
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raise Exception(e)
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relation_set(database=config('database'),
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relation_id=relation_id)
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@hooks.hook('amqp-nova-relation-joined')
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def amqp_nova_joined(relation_id=None):
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relation_set(relation_id=relation_id,
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username=config('nova-rabbit-user'),
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vhost=config('nova-rabbit-vhost'))
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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-nova-relation-departed')
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@hooks.hook('amqp-nova-relation-changed')
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@restart_on_change(restart_map())
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def amqp_nova_changed():
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if 'amqp-nova' 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('amqp-relation-departed')
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@restart_on_change(restart_map())
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def amqp_departed():
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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('shared-db-relation-changed',
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'pgsql-db-relation-changed',
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'amqp-relation-changed',
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'cluster-relation-changed',
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'cluster-relation-joined')
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@restart_on_change(restart_map())
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def db_amqp_changed():
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CONFIGS.write_all()
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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_l3ha():
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apt_update()
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apt_install(L3HA_PACKAGES, fatal=True)
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CONFIGS.write_all()
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@hooks.hook('quantum-network-service-relation-changed')
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@restart_on_change(restart_map())
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def nm_changed():
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CONFIGS.write_all()
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if relation_get('ca_cert'):
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ca_crt = b64decode(relation_get('ca_cert'))
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install_ca_cert(ca_crt)
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if config('ha-legacy-mode'):
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cache_env_data()
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@hooks.hook("cluster-relation-departed")
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@restart_on_change(restart_map())
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def cluster_departed():
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if config('plugin') in ['nvp', 'nsx']:
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log('Unable to re-assign agent resources for'
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' failed nodes with nvp|nsx',
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level=WARNING)
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return
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if config('plugin') == 'n1kv':
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log('Unable to re-assign agent resources for failed nodes with n1kv',
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level=WARNING)
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return
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if not config('ha-legacy-mode') and eligible_leader(None):
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reassign_agent_resources()
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CONFIGS.write_all()
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@hooks.hook('cluster-relation-broken')
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@hooks.hook('stop')
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def stop():
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stop_services()
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if config('ha-legacy-mode'):
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# Cleanup ovs and netns for destroyed units.
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cleanup_ovs_netns()
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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 nova")
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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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@hooks.hook('nrpe-external-master-relation-joined',
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'nrpe-external-master-relation-changed')
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def update_nrpe_config():
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# python-dbus is used by check_upstart_job
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apt_install('python-dbus')
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hostname = nrpe.get_nagios_hostname()
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current_unit = nrpe.get_nagios_unit_name()
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nrpe_setup = nrpe.NRPE(hostname=hostname)
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nrpe.add_init_service_checks(nrpe_setup, services(), current_unit)
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cronpath = '/etc/cron.d/nagios-netns-check'
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cron_template = ('*/5 * * * * root '
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'/usr/local/lib/nagios/plugins/check_netns.sh '
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'> /var/lib/nagios/netns-check.txt\n'
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)
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f = open(cronpath, 'w')
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f.write(cron_template)
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f.close()
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nrpe_setup.add_check(
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shortname="netns",
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description='Network Namespace check {%s}' % current_unit,
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check_cmd='check_status_file.py -f /var/lib/nagios/netns-check.txt'
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)
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nrpe_setup.write()
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@hooks.hook('ha-relation-joined')
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@hooks.hook('ha-relation-changed')
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def ha_relation_joined():
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if config('ha-legacy-mode'):
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log('ha-relation-changed update_legacy_ha_files')
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install_legacy_ha_files()
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cache_env_data()
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cluster_config = get_hacluster_config(exclude_keys=['vip'])
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resources = {
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'res_monitor': 'ocf:canonical:NeutronAgentMon',
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}
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resource_params = {
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'res_monitor': 'op monitor interval="60s"',
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}
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clones = {
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'cl_monitor': 'res_monitor meta interleave="true"',
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}
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relation_set(corosync_bindiface=cluster_config['ha-bindiface'],
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corosync_mcastport=cluster_config['ha-mcastport'],
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resources=resources,
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resource_params=resource_params,
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clones=clones)
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@hooks.hook('ha-relation-departed')
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def ha_relation_destroyed():
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# If e.g. we want to upgrade to Juno and use native Neutron HA support then
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# we need to un-corosync-cluster to enable the transition.
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if config('ha-legacy-mode'):
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stop_neutron_ha_monitor_daemon()
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remove_legacy_ha_files()
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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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