512 lines
16 KiB
Python
Executable File
512 lines
16 KiB
Python
Executable File
#!/usr/bin/python
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import sys
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import uuid
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from subprocess import (
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check_call,
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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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is_relation_made,
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local_unit,
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log,
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ERROR,
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relation_get,
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relation_ids,
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relation_set,
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open_port,
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unit_get,
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)
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from charmhelpers.core.host import (
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restart_on_change,
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service_reload,
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service_restart,
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)
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from charmhelpers.fetch import (
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apt_install,
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apt_update,
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filter_installed_packages,
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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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git_install_requested,
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openstack_upgrade_available,
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os_requires_version,
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os_release,
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sync_db_with_multi_ipv6_addresses
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)
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from neutron_api_utils import (
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CLUSTER_RES,
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NEUTRON_CONF,
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api_port,
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determine_packages,
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determine_ports,
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do_openstack_upgrade,
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git_install,
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dvr_router_present,
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l3ha_router_present,
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migrate_neutron_database,
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neutron_ready,
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register_configs,
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restart_map,
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services,
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setup_ipv6,
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get_topics,
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)
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from neutron_api_context import (
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get_dvr,
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get_l3ha,
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get_l2population,
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get_overlay_network_type,
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IdentityServiceContext,
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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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is_elected_leader,
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)
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from charmhelpers.payload.execd import execd_preinstall
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from charmhelpers.contrib.openstack.ip import (
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canonical_url,
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PUBLIC, INTERNAL, ADMIN
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)
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from charmhelpers.contrib.network.ip import (
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get_iface_for_address,
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get_netmask_for_address,
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get_address_in_network,
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get_ipv6_addr,
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is_ipv6
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)
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from charmhelpers.contrib.openstack.context import ADDRESS_TYPES
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from charmhelpers.contrib.charmsupport import nrpe
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hooks = Hooks()
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CONFIGS = register_configs()
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def conditional_neutron_migration():
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if os_release('neutron-server') < 'kilo':
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log('Not running neutron database migration as migrations are handled '
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'by the neutron-server process or nova-cloud-controller charm.')
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return
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if is_elected_leader(CLUSTER_RES):
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allowed_units = relation_get('allowed_units')
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if allowed_units and local_unit() in allowed_units.split():
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migrate_neutron_database()
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service_restart('neutron-server')
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else:
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log('Not running neutron database migration, either no'
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' allowed_units or this unit is not present')
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return
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else:
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log('Not running neutron database migration, not leader')
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def configure_https():
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'''
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Enables SSL API Apache config if appropriate and kicks identity-service
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with any required api updates.
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'''
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# need to write all to ensure changes to the entire request pipeline
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# propagate (c-api, haprxy, apache)
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CONFIGS.write_all()
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if 'https' in CONFIGS.complete_contexts():
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cmd = ['a2ensite', 'openstack_https_frontend']
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check_call(cmd)
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else:
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cmd = ['a2dissite', 'openstack_https_frontend']
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check_call(cmd)
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# TODO: improve this by checking if local CN certs are available
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# first then checking reload status (see LP #1433114).
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service_reload('apache2', restart_on_failure=True)
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for rid in relation_ids('identity-service'):
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identity_joined(rid=rid)
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@hooks.hook()
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def install():
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execd_preinstall()
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configure_installation_source(config('openstack-origin'))
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apt_update()
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apt_install(determine_packages(config('openstack-origin')),
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fatal=True)
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git_install(config('openstack-origin-git'))
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[open_port(port) for port in determine_ports()]
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@hooks.hook('upgrade-charm')
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@hooks.hook('config-changed')
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@restart_on_change(restart_map(), stopstart=True)
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def config_changed():
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# If neutron is ready to be queried then check for incompatability between
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# existing neutron objects and charm settings
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if neutron_ready():
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if l3ha_router_present() and not get_l3ha():
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e = ('Cannot disable Router HA while ha enabled routers exist.'
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' Please remove any ha routers')
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log(e, level=ERROR)
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raise Exception(e)
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if dvr_router_present() and not get_dvr():
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e = ('Cannot disable dvr while dvr enabled routers exist. Please'
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' remove any distributed routers')
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log(e, level=ERROR)
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raise Exception(e)
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if config('prefer-ipv6'):
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setup_ipv6()
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sync_db_with_multi_ipv6_addresses(config('database'),
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config('database-user'))
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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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else:
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if openstack_upgrade_available('neutron-server'):
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do_openstack_upgrade(CONFIGS)
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apt_install(filter_installed_packages(
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determine_packages(config('openstack-origin'))),
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fatal=True)
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configure_https()
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update_nrpe_config()
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CONFIGS.write_all()
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for r_id in relation_ids('neutron-api'):
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neutron_api_relation_joined(rid=r_id)
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for r_id in relation_ids('neutron-plugin-api'):
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neutron_plugin_api_relation_joined(rid=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('identity-service'):
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identity_joined(rid=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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[cluster_joined(rid) for rid in relation_ids('cluster')]
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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'), 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(NEUTRON_CONF)
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@hooks.hook('shared-db-relation-joined')
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def db_joined():
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if is_relation_made('pgsql-db'):
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# error, postgresql is used
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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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if config('prefer-ipv6'):
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sync_db_with_multi_ipv6_addresses(config('database'),
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config('database-user'))
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else:
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host = unit_get('private-address')
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relation_set(database=config('database'),
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username=config('database-user'),
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hostname=host)
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@hooks.hook('pgsql-db-relation-joined')
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def pgsql_neutron_db_joined():
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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'
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' when there 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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@hooks.hook('shared-db-relation-changed')
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@restart_on_change(restart_map())
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def db_changed():
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if 'shared-db' not in CONFIGS.complete_contexts():
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log('shared-db relation incomplete. Peer not ready?')
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return
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CONFIGS.write_all()
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conditional_neutron_migration()
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@hooks.hook('pgsql-db-relation-changed')
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@restart_on_change(restart_map())
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def postgresql_neutron_db_changed():
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CONFIGS.write(NEUTRON_CONF)
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conditional_neutron_migration()
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@hooks.hook('amqp-relation-broken',
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'identity-service-relation-broken',
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'shared-db-relation-broken',
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'pgsql-db-relation-broken')
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def relation_broken():
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CONFIGS.write_all()
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@hooks.hook('identity-service-relation-joined')
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def identity_joined(rid=None, relation_trigger=False):
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public_url = '{}:{}'.format(canonical_url(CONFIGS, PUBLIC),
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api_port('neutron-server'))
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admin_url = '{}:{}'.format(canonical_url(CONFIGS, ADMIN),
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api_port('neutron-server'))
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internal_url = '{}:{}'.format(canonical_url(CONFIGS, INTERNAL),
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api_port('neutron-server')
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)
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rel_settings = {
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'quantum_service': 'quantum',
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'quantum_region': config('region'),
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'quantum_public_url': public_url,
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'quantum_admin_url': admin_url,
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'quantum_internal_url': internal_url,
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}
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if relation_trigger:
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rel_settings['relation_trigger'] = str(uuid.uuid4())
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relation_set(relation_id=rid, relation_settings=rel_settings)
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@hooks.hook('identity-service-relation-changed')
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@restart_on_change(restart_map())
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def identity_changed():
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if 'identity-service' not in CONFIGS.complete_contexts():
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log('identity-service relation incomplete. Peer not ready?')
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return
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CONFIGS.write(NEUTRON_CONF)
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for r_id in relation_ids('neutron-api'):
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neutron_api_relation_joined(rid=r_id)
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for r_id in relation_ids('neutron-plugin-api'):
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neutron_plugin_api_relation_joined(rid=r_id)
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configure_https()
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@hooks.hook('neutron-api-relation-joined')
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def neutron_api_relation_joined(rid=None):
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base_url = canonical_url(CONFIGS, INTERNAL)
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neutron_url = '%s:%s' % (base_url, api_port('neutron-server'))
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relation_data = {
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'neutron-url': neutron_url,
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'neutron-plugin': config('neutron-plugin'),
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}
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if config('neutron-security-groups'):
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relation_data['neutron-security-groups'] = "yes"
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else:
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relation_data['neutron-security-groups'] = "no"
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relation_set(relation_id=rid, **relation_data)
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# Nova-cc may have grabbed the quantum endpoint so kick identity-service
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# relation to register that its here
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for r_id in relation_ids('identity-service'):
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identity_joined(rid=r_id, relation_trigger=True)
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@hooks.hook('neutron-api-relation-changed')
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@restart_on_change(restart_map())
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def neutron_api_relation_changed():
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CONFIGS.write(NEUTRON_CONF)
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@hooks.hook('neutron-plugin-api-relation-joined')
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def neutron_plugin_api_relation_joined(rid=None):
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if config('neutron-plugin') == 'nsx':
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relation_data = {
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'nsx-username': config('nsx-username'),
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'nsx-password': config('nsx-password'),
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'nsx-cluster-name': config('nsx-cluster-name'),
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'nsx-tz-uuid': config('nsx-tz-uuid'),
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'nsx-l3-uuid': config('nsx-l3-uuid'),
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'nsx-controllers': config('nsx-controllers'),
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}
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else:
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relation_data = {
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'neutron-security-groups': config('neutron-security-groups'),
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'l2-population': get_l2population(),
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'enable-dvr': get_dvr(),
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'enable-l3ha': get_l3ha(),
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'overlay-network-type': get_overlay_network_type(),
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}
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# Provide this value to relations since it needs to be set in multiple
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# places e.g. neutron.conf, nova.conf
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net_dev_mtu = config('network-device-mtu')
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if net_dev_mtu:
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relation_data['network-device-mtu'] = net_dev_mtu
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identity_ctxt = IdentityServiceContext()()
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if not identity_ctxt:
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identity_ctxt = {}
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relation_data.update({
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'auth_host': identity_ctxt.get('auth_host'),
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'auth_port': identity_ctxt.get('auth_port'),
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'auth_protocol': identity_ctxt.get('auth_protocol'),
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'service_protocol': identity_ctxt.get('service_protocol'),
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'service_host': identity_ctxt.get('service_host'),
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'service_port': identity_ctxt.get('service_port'),
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'service_tenant': identity_ctxt.get('admin_tenant_name'),
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'service_username': identity_ctxt.get('admin_user'),
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'service_password': identity_ctxt.get('admin_password'),
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'region': config('region'),
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})
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relation_set(relation_id=rid, **relation_data)
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@hooks.hook('cluster-relation-joined')
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def cluster_joined(relation_id=None):
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for addr_type in ADDRESS_TYPES:
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address = get_address_in_network(
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config('os-{}-network'.format(addr_type))
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)
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if address:
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relation_set(
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relation_id=relation_id,
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relation_settings={'{}-address'.format(addr_type): address}
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)
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if config('prefer-ipv6'):
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private_addr = get_ipv6_addr(exc_list=[config('vip')])[0]
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relation_set(relation_id=relation_id,
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relation_settings={'private-address': private_addr})
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@hooks.hook('cluster-relation-changed',
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'cluster-relation-departed')
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@restart_on_change(restart_map(), stopstart=True)
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def cluster_changed():
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CONFIGS.write_all()
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@hooks.hook('ha-relation-joined')
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def ha_joined():
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cluster_config = get_hacluster_config()
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resources = {
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'res_neutron_haproxy': 'lsb:haproxy',
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}
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resource_params = {
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'res_neutron_haproxy': 'op monitor interval="5s"'
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}
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vip_group = []
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for vip in cluster_config['vip'].split():
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if is_ipv6(vip):
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res_neutron_vip = 'ocf:heartbeat:IPv6addr'
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vip_params = 'ipv6addr'
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else:
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res_neutron_vip = 'ocf:heartbeat:IPaddr2'
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vip_params = 'ip'
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iface = (get_iface_for_address(vip) or
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config('vip_iface'))
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netmask = (get_netmask_for_address(vip) or
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config('vip_cidr'))
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if iface is not None:
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vip_key = 'res_neutron_{}_vip'.format(iface)
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resources[vip_key] = res_neutron_vip
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resource_params[vip_key] = (
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'params {ip}="{vip}" cidr_netmask="{netmask}" '
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'nic="{iface}"'.format(ip=vip_params,
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vip=vip,
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iface=iface,
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netmask=netmask)
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)
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vip_group.append(vip_key)
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if len(vip_group) >= 1:
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relation_set(groups={'grp_neutron_vips': ' '.join(vip_group)})
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init_services = {
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'res_neutron_haproxy': 'haproxy'
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}
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clones = {
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'cl_nova_haproxy': 'res_neutron_haproxy'
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}
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relation_set(init_services=init_services,
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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-changed')
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def ha_changed():
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clustered = relation_get('clustered')
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if not clustered or clustered in [None, 'None', '']:
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log('ha_changed: hacluster subordinate'
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' not fully clustered: %s' % clustered)
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return
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log('Cluster configured, notifying other services and updating '
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'keystone endpoint configuration')
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for rid in relation_ids('identity-service'):
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identity_joined(rid=rid)
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for rid in relation_ids('neutron-api'):
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neutron_api_relation_joined(rid=rid)
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@hooks.hook('zeromq-configuration-relation-joined')
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@os_requires_version('kilo', 'neutron-server')
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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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'neutron-plugin-api-subordinate-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.copy_nrpe_checks()
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nrpe.add_init_service_checks(nrpe_setup, services(), current_unit)
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nrpe.add_haproxy_checks(nrpe_setup, current_unit)
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nrpe_setup.write()
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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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if __name__ == '__main__':
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main()
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