512 lines
16 KiB
Python
Executable File
512 lines
16 KiB
Python
Executable File
#!/usr/bin/python
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import os
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import shutil
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import sys
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import uuid
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from subprocess import check_call
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from urlparse import urlparse
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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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charm_dir,
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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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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 nova_cc_utils import (
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api_port,
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auth_token_config,
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determine_endpoints,
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determine_packages,
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determine_ports,
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do_openstack_upgrade,
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keystone_ca_cert_b64,
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migrate_database,
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neutron_plugin,
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save_script_rc,
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ssh_compute_add,
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ssh_compute_remove,
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ssh_known_hosts_b64,
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ssh_authorized_keys_b64,
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register_configs,
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restart_map,
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volume_service,
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CLUSTER_RES,
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NOVA_CONF,
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QUANTUM_CONF,
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NEUTRON_CONF,
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QUANTUM_API_PASTE
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)
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from charmhelpers.contrib.hahelpers.cluster import (
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canonical_url,
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eligible_leader,
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get_hacluster_config,
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is_leader,
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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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_files = os.path.join(charm_dir(), 'files')
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if os.path.isdir(_files):
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for f in os.listdir(_files):
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f = os.path.join(_files, f)
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log('Installing %s to /usr/bin' % f)
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shutil.copy2(f, '/usr/bin')
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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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if openstack_upgrade_available('nova-common'):
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CONFIGS = do_openstack_upgrade()
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save_script_rc()
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configure_https()
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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(NOVA_CONF)
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if network_manager() == 'quantum':
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CONFIGS.write(QUANTUM_CONF)
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if network_manager() == 'neutron':
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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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relation_set(nova_database=config('database'),
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nova_username=config('database-user'),
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nova_hostname=unit_get('private-address'))
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if network_manager() in ['quantum', 'neutron']:
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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-nova-db-relation-joined')
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def pgsql_nova_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('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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if eligible_leader(CLUSTER_RES):
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migrate_database()
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log('Triggering remote cloud-compute restarts.')
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[compute_joined(rid=rid, remote_restart=True)
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for rid in relation_ids('cloud-compute')]
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@hooks.hook('pgsql-nova-db-relation-changed')
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@restart_on_change(restart_map())
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def postgresql_nova_db_changed():
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if 'pgsql-nova-db' not in CONFIGS.complete_contexts():
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log('pgsql-nova-db relation incomplete. Peer not ready?')
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return
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CONFIGS.write_all()
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if eligible_leader(CLUSTER_RES):
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migrate_database()
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log('Triggering remote cloud-compute restarts.')
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[compute_joined(rid=rid, remote_restart=True)
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for rid in relation_ids('cloud-compute')]
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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 = 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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@hooks.hook('image-service-relation-changed')
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@restart_on_change(restart_map())
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def image_service_changed():
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if 'image-service' not in CONFIGS.complete_contexts():
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log('image-service relation incomplete. Peer not ready?')
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return
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CONFIGS.write(NOVA_CONF)
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# TODO: special case config flag for essex (strip protocol)
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@hooks.hook('identity-service-relation-joined')
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def identity_joined(rid=None):
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if not eligible_leader(CLUSTER_RES):
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return
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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('/etc/nova/api-paste.ini')
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CONFIGS.write(NOVA_CONF)
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if network_manager() == 'quantum':
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CONFIGS.write(QUANTUM_API_PASTE)
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CONFIGS.write(QUANTUM_CONF)
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save_novarc()
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if network_manager() == 'neutron':
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CONFIGS.write(NEUTRON_CONF)
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[compute_joined(rid) for rid in relation_ids('cloud-compute')]
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[quantum_joined(rid) for rid in relation_ids('quantum-network-service')]
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[nova_vmware_relation_joined(rid) for rid in relation_ids('nova-vmware')]
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configure_https()
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@hooks.hook('nova-volume-service-relation-joined',
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'cinder-volume-service-relation-joined')
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@restart_on_change(restart_map())
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def volume_joined():
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CONFIGS.write(NOVA_CONF)
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# kick identity_joined() to publish possibly new nova-volume endpoint.
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[identity_joined(rid) for rid in relation_ids('identity-service')]
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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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def save_novarc():
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auth = _auth_config()
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# XXX hard-coded http
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ks_url = '%s://%s:%s/v2.0' % (auth['auth_protocol'],
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auth['auth_host'], auth['auth_port'])
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with open('/etc/quantum/novarc', 'wb') as out:
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out.write('export OS_USERNAME=%s\n' % auth['service_username'])
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out.write('export OS_PASSWORD=%s\n' % auth['service_password'])
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out.write('export OS_TENANT_NAME=%s\n' % auth['service_tenant_name'])
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out.write('export OS_AUTH_URL=%s\n' % ks_url)
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out.write('export OS_REGION_NAME=%s\n' % config('region'))
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def keystone_compute_settings():
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ks_auth_config = _auth_config()
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rel_settings = {}
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if network_manager() in ['quantum', 'neutron']:
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if ks_auth_config:
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rel_settings.update(ks_auth_config)
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rel_settings.update({
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# XXX: Rename these relations settings?
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'quantum_plugin': neutron_plugin(),
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'region': config('region'),
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'quantum_security_groups': config('quantum-security-groups'),
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'quantum_url': (canonical_url(CONFIGS) + ':' +
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str(api_port('neutron-server'))),
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})
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ks_ca = keystone_ca_cert_b64()
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if ks_auth_config and ks_ca:
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rel_settings['ca_cert'] = ks_ca
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return rel_settings
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@hooks.hook('cloud-compute-relation-joined')
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def compute_joined(rid=None, remote_restart=False):
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if not eligible_leader(CLUSTER_RES):
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return
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rel_settings = {
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'network_manager': network_manager(),
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'volume_service': volume_service(),
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# (comment from bash vers) XXX Should point to VIP if clustered, or
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# this may not even be needed.
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'ec2_host': unit_get('private-address'),
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}
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# update relation setting if we're attempting to restart remote
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# services
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if remote_restart:
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rel_settings['restart_trigger'] = str(uuid.uuid4())
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rel_settings.update(keystone_compute_settings())
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relation_set(relation_id=rid, **rel_settings)
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@hooks.hook('cloud-compute-relation-changed')
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def compute_changed():
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migration_auth = relation_get('migration_auth_type')
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if migration_auth == 'ssh':
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key = relation_get('ssh_public_key')
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if not key:
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log('SSH migration set but peer did not publish key.')
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return
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ssh_compute_add(key)
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relation_set(known_hosts=ssh_known_hosts_b64(),
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authorized_keys=ssh_authorized_keys_b64())
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if relation_get('nova_ssh_public_key'):
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key = relation_get('nova_ssh_public_key')
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ssh_compute_add(key, user='nova')
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relation_set(nova_known_hosts=ssh_known_hosts_b64(user='nova'),
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nova_authorized_keys=ssh_authorized_keys_b64(user='nova'))
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@hooks.hook('cloud-compute-relation-departed')
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def compute_departed():
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ssh_compute_remove(public_key=relation_get('ssh_public_key'))
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@hooks.hook('neutron-network-service-relation-joined',
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'quantum-network-service-relation-joined')
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def quantum_joined(rid=None):
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if not eligible_leader(CLUSTER_RES):
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return
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url = canonical_url(CONFIGS) + ':9696'
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# XXX: Can we rename to neutron_*?
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rel_settings = {
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'quantum_host': urlparse(url).hostname,
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'quantum_url': url,
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'quantum_port': 9696,
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'quantum_plugin': neutron_plugin(),
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'region': config('region')
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}
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# inform quantum about local keystone auth config
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ks_auth_config = _auth_config()
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rel_settings.update(ks_auth_config)
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# must pass the keystone CA cert, if it exists.
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ks_ca = keystone_ca_cert_b64()
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if ks_auth_config and ks_ca:
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rel_settings['ca_cert'] = ks_ca
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relation_set(relation_id=rid, **rel_settings)
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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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config = get_hacluster_config()
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resources = {
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'res_nova_vip': 'ocf:heartbeat:IPaddr2',
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'res_nova_haproxy': 'lsb:haproxy',
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}
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vip_params = 'params ip="%s" cidr_netmask="%s" nic="%s"' % \
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(config['vip'], config['vip_cidr'], config['vip_iface'])
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resource_params = {
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'res_nova_vip': vip_params,
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'res_nova_haproxy': 'op monitor interval="5s"'
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}
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init_services = {
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'res_nova_haproxy': 'haproxy'
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}
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clones = {
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'cl_nova_haproxy': 'res_nova_haproxy'
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}
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relation_set(init_services=init_services,
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corosync_bindiface=config['ha-bindiface'],
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corosync_mcastport=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 not fully clustered.')
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return
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if not is_leader(CLUSTER_RES):
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log('ha_changed: hacluster complete but we are not leader.')
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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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@hooks.hook('amqp-relation-broken',
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'cinder-volume-service-relation-broken',
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'identity-service-relation-broken',
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'image-service-relation-broken',
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'nova-volume-service-relation-broken',
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'shared-db-relation-broken',
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'pgsql-nova-db-relation-broken',
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'pgsql-neutron-db-relation-broken',
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'quantum-network-service-relation-broken')
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def relation_broken():
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CONFIGS.write_all()
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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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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 nova_vmware_relation_joined(rid=None):
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rel_settings = {'network_manager': network_manager()}
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ks_auth = _auth_config()
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if ks_auth:
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rel_settings.update(ks_auth)
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rel_settings.update({
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'quantum_plugin': neutron_plugin(),
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'quantum_security_groups': config('quantum-security-groups'),
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'quantum_url': (canonical_url(CONFIGS) + ':' +
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str(api_port('neutron-server')))})
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relation_set(relation_id=rid, **rel_settings)
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@hooks.hook('nova-vmware-relation-changed')
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@restart_on_change(restart_map())
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def nova_vmware_relation_changed():
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CONFIGS.write('/etc/nova/nova.conf')
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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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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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