def leader_init_db_if_ready(skip_acl_check=False, skip_cells_restarts=False,
db_rid=None, unit=None):
"""Initialise db if leader and db not yet intialised.
NOTE: must be called from database context.
"""
if not is_elected_leader(CLUSTER_RES):
log("Not leader - skipping db init", level=DEBUG)
return
if is_db_initialised():
log("Database already initialised - skipping db init", level=DEBUG)
return
# Bugs 1353135 & 1187508. Dbs can appear to be ready before the units
# acl entry has been added. So, if the db supports passing a list of
# permitted units then check if we're in the list.
allowed_units = relation_get('nova_allowed_units', rid=db_rid, unit=unit)
if skip_acl_check or (allowed_units and local_unit() in
allowed_units.split()):
status_set('maintenance', 'Running nova db migration')
migrate_nova_database()
log('Triggering remote cloud-compute restarts.')
[compute_joined(rid=rid, remote_restart=True)
for rid in relation_ids('cloud-compute')]
log('Triggering remote neutron-network-service restarts.')
[quantum_joined(rid=rid, remote_restart=True)
for rid in relation_ids('quantum-network-service')]
if not skip_cells_restarts:
log('Triggering remote cell restarts.')
[nova_cell_relation_joined(rid=rid, remote_restart=True)
for rid in relation_ids('cell')]
else:
log('allowed_units either not presented, or local unit '
'not in acl list: %s' % repr(allowed_units))
def db_changed():
if 'shared-db' not in CONFIGS.complete_contexts():
log('shared-db relation incomplete. Peer not ready?')
return
CONFIGS.write_all()
if is_elected_leader(CLUSTER_RES):
# Bugs 1353135 & 1187508. Dbs can appear to be ready before the units
# acl entry has been added. So, if the db supports passing a list of
# permitted units then check if we're in the list.
allowed_units = relation_get('nova_allowed_units')
if allowed_units and local_unit() in allowed_units.split():
status_set('maintenance', 'Running nova db migration')
migrate_nova_database()
log('Triggering remote cloud-compute restarts.')
[
compute_joined(rid=rid, remote_restart=True)
for rid in relation_ids('cloud-compute')
]
log('Triggering remote cell restarts.')
[
nova_cell_relation_joined(rid=rid, remote_restart=True)
for rid in relation_ids('cell')
]
conditional_neutron_migration()
else:
log('allowed_units either not presented, or local unit '
'not in acl list: %s' % repr(allowed_units))
for r_id in relation_ids('nova-api'):
nova_api_relation_joined(rid=r_id)
def test_migrate_nova_database(self, check_output):
"Migrate database with nova-manage"
self.relation_ids.return_value = []
utils.migrate_nova_database()
check_output.assert_called_with(['nova-manage', 'db', 'sync'])
self.assertTrue(self.enable_services.called)
self.cmd_all_services.assert_called_with('start')
def db_changed():
if 'shared-db' not in CONFIGS.complete_contexts():
log('shared-db relation incomplete. Peer not ready?')
return
CONFIGS.write_all()
if is_elected_leader(CLUSTER_RES):
# Bugs 1353135 & 1187508. Dbs can appear to be ready before the units
# acl entry has been added. So, if the db supports passing a list of
# permitted units then check if we're in the list.
allowed_units = relation_get('nova_allowed_units')
if allowed_units and local_unit() in allowed_units.split():
status_set('maintenance', 'Running nova db migration')
migrate_nova_database()
log('Triggering remote cloud-compute restarts.')
[compute_joined(rid=rid, remote_restart=True)
for rid in relation_ids('cloud-compute')]
log('Triggering remote cell restarts.')
[nova_cell_relation_joined(rid=rid, remote_restart=True)
for rid in relation_ids('cell')]
conditional_neutron_migration()
else:
log('allowed_units either not presented, or local unit '
'not in acl list: %s' % repr(allowed_units))
for r_id in relation_ids('nova-api'):
nova_api_relation_joined(rid=r_id)
def leader_init_db_if_ready(skip_acl_check=False, skip_cells_restarts=False,
db_rid=None, unit=None):
"""Initialise db if leader and db not yet intialised.
NOTE: must be called from database context.
"""
if not is_elected_leader(CLUSTER_RES):
log("Not leader - skipping db init", level=DEBUG)
return
if is_db_initialised():
log("Database already initialised - skipping db init", level=DEBUG)
return
# Bugs 1353135 & 1187508. Dbs can appear to be ready before the units
# acl entry has been added. So, if the db supports passing a list of
# permitted units then check if we're in the list.
allowed_units = relation_get('nova_allowed_units', rid=db_rid, unit=unit)
if skip_acl_check or (allowed_units and local_unit() in
allowed_units.split()):
status_set('maintenance', 'Running nova db migration')
migrate_nova_database()
log('Triggering remote cloud-compute restarts.')
[compute_joined(rid=rid, remote_restart=True)
for rid in relation_ids('cloud-compute')]
log('Triggering remote neutron-network-service restarts.')
[quantum_joined(rid=rid, remote_restart=True)
for rid in relation_ids('quantum-network-service')]
if not skip_cells_restarts:
log('Triggering remote cell restarts.')
[nova_cell_relation_joined(rid=rid, remote_restart=True)
for rid in relation_ids('cell')]
else:
log('allowed_units either not presented, or local unit '
'not in acl list: %s' % repr(allowed_units))
def test_migrate_nova_database(self, check_output):
"Migrate database with nova-manage"
self.relation_ids.return_value = []
utils.migrate_nova_database()
check_output.assert_called_with(['nova-manage', 'db', 'sync'])
self.assertTrue(self.enable_services.called)
self.cmd_all_services.assert_called_with('start')
def test_migrate_nova_database_cluster(self, check_output):
"Migrate database with nova-manage in a clustered env"
self.relation_ids.return_value = ['cluster:1']
utils.migrate_nova_database()
check_output.assert_called_with(['nova-manage', 'db', 'sync'])
self.peer_store.assert_called_with('dbsync_state', 'complete')
self.assertTrue(self.enable_services.called)
self.cmd_all_services.assert_called_with('start')
def test_migrate_nova_database_cluster(self, check_output):
"Migrate database with nova-manage in a clustered env"
self.relation_ids.return_value = ['cluster:1']
utils.migrate_nova_database()
check_output.assert_called_with(['nova-manage', 'db', 'sync'])
self.peer_store.assert_called_with('dbsync_state', 'complete')
self.assertTrue(self.enable_services.called)
self.cmd_all_services.assert_called_with('start')
def postgresql_nova_db_changed():
if 'pgsql-nova-db' not in CONFIGS.complete_contexts():
log('pgsql-nova-db relation incomplete. Peer not ready?')
return
CONFIGS.write_all()
if is_elected_leader(CLUSTER_RES):
status_set('maintenance', 'Running nova db migration')
migrate_nova_database()
log('Triggering remote cloud-compute restarts.')
[compute_joined(rid=rid, remote_restart=True)
for rid in relation_ids('cloud-compute')]
conditional_neutron_migration()
def postgresql_nova_db_changed():
if 'pgsql-nova-db' not in CONFIGS.complete_contexts():
log('pgsql-nova-db relation incomplete. Peer not ready?')
return
CONFIGS.write_all()
if is_elected_leader(CLUSTER_RES):
status_set('maintenance', 'Running nova db migration')
migrate_nova_database()
log('Triggering remote cloud-compute restarts.')
[
compute_joined(rid=rid, remote_restart=True)
for rid in relation_ids('cloud-compute')
]
conditional_neutron_migration()
for r_id in relation_ids('nova-api'):
nova_api_relation_joined(rid=r_id)
