245 lines
8.0 KiB
Python
245 lines
8.0 KiB
Python
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#!/usr/bin/python
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import sys
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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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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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related_units,
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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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)
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from charmhelpers.fetch import (
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apt_install, apt_update
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)
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from charmhelpers.contrib.openstack.utils import (
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configure_installation_source,
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openstack_upgrade_available,
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)
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from charmhelpers.contrib.openstack.neutron import (
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network_manager,
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neutron_plugin_attribute,
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)
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from neutron_api_utils import (
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determine_endpoints,
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determine_packages,
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determine_ports,
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register_configs,
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restart_map,
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NEUTRON_CONF,
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api_port,
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auth_token_config,
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keystone_ca_cert_b64,
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)
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from charmhelpers.contrib.hahelpers.cluster import (
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canonical_url,
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)
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from charmhelpers.payload.execd import execd_preinstall
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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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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(), fatal=True)
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[open_port(port) for port in determine_ports()]
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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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global CONFIGS
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CONFIGS.write_all()
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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-nova-db') or \
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is_relation_made('pgsql-neutron-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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# XXX: Renaming relations from quantum_* to neutron_* here.
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relation_set(neutron_database=config('neutron-database'),
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neutron_username=config('neutron-database-user'),
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neutron_hostname=unit_get('private-address'))
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@hooks.hook('pgsql-neutron-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('neutron-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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@hooks.hook('pgsql-neutron-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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if network_manager() in ['neutron', 'quantum']:
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plugin = config('neutron-plugin')
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# DB config might have been moved to main neutron.conf in H?
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CONFIGS.write(neutron_plugin_attribute(plugin, 'config'))
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def _auth_config():
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'''Grab all KS auth token config from api-paste.ini, or return empty {}'''
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ks_auth_host = auth_token_config('auth_host')
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if not ks_auth_host:
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# if there is no auth_host set, identity-service changed hooks
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# have not fired, yet.
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return {}
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cfg = {
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'auth_host': ks_auth_host,
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'auth_port': auth_token_config('auth_port'),
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'auth_protocol': auth_token_config('auth_protocol'),
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'service_protocol': auth_token_config('service_protocol'),
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'service_port': auth_token_config('service_port'),
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'service_username': auth_token_config('admin_user'),
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'service_password': auth_token_config('admin_password'),
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'service_tenant_name': auth_token_config('admin_tenant_name'),
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'auth_uri': auth_token_config('auth_uri'),
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# quantum-gateway interface deviates a bit.
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'keystone_host': ks_auth_host,
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'service_tenant': auth_token_config('admin_tenant_name'),
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}
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return cfg
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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-neutron-db-relation-broken')
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def relation_broken():
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CONFIGS.write_all()
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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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for r_id in relation_ids('identity-service'):
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identity_joined(rid=r_id)
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@hooks.hook('identity-service-relation-joined')
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def identity_joined(rid=None):
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base_url = canonical_url(CONFIGS)
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relation_set(relation_id=rid, **determine_endpoints(base_url))
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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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def _get_keystone_info():
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keystone_info = {}
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for lrid in relation_ids('identity-service'):
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for unit in related_units(lrid):
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rdata = relation_get(rid=lrid, unit=unit)
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keystone_info['service_protocol'] = rdata.get('service_protocol')
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keystone_info['service_host'] = rdata.get('service_host')
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keystone_info['service_port'] = rdata.get('service_port')
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keystone_info['service_tenant'] = rdata.get('service_tenant')
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keystone_info['service_username'] = rdata.get('service_username')
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keystone_info['service_password'] = rdata.get('service_password')
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keystone_info['auth_url'] = "%s://%s:%s/v2.0" % (keystone_info['service_protocol'],
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keystone_info['service_host'],
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keystone_info['service_port'])
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return keystone_info
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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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manager = network_manager()
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base_url = canonical_url(CONFIGS)
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neutron_url = '%s:%s' % (base_url, api_port('neutron-server'))
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relation_data = {
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'network_manager': manager,
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'default_floating_pool': config('neutron-external-network'),
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'external_network': config('neutron-external-network'),
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manager + '_plugin': config('neutron-plugin'),
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manager + '_url': neutron_url,
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manager + '_security_groups': config('neutron-security-groups')
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}
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keystone_info = _get_keystone_info()
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if is_relation_made('identity-service') and keystone_info:
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relation_data.update({
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manager + '_admin_tenant_name': keystone_info['service_tenant'],
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manager + '_admin_username': keystone_info['service_username'],
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manager + '_admin_password': keystone_info['service_password'],
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manager + '_admin_auth_url': keystone_info['auth_url'],
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})
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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 relation to
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# 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)
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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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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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