def test_clear_deferred_hooks(self):
deferred_events.set_deferred_hook('config-changed')
deferred_events.set_deferred_hook('leader-settings-changed')
self.assertEqual(deferred_events.get_deferred_hooks(),
['config-changed', 'leader-settings-changed'])
deferred_events.clear_deferred_hooks()
self.assertEqual(deferred_events.get_deferred_hooks(), [])
def custom_assess_status_check(self):
"""Report deferred events in charm status message."""
state = None
message = None
deferred_events.check_restart_timestamps()
events = collections.defaultdict(set)
for e in deferred_events.get_deferred_events():
events[e.action].add(e.service)
for action, svcs in events.items():
svc_msg = "Services queued for {}: {}".format(
action, ', '.join(sorted(svcs)))
state = 'active'
if message:
message = "{}. {}".format(message, svc_msg)
else:
message = svc_msg
deferred_hooks = deferred_events.get_deferred_hooks()
if deferred_hooks:
state = 'active'
svc_msg = "Hooks skipped due to disabled auto restarts: {}".format(
', '.join(sorted(deferred_hooks)))
if message:
message = "{}. {}".format(message, svc_msg)
else:
message = svc_msg
return state, message
def _run_deferred_hooks():
"""Run supported deferred hooks as needed.
Run supported deferred hooks as needed. If support for deferring a new
hook is added to the charm then this method will need updating.
"""
if not deferred_events.is_restart_permitted():
deferred_hooks = deferred_events.get_deferred_hooks()
if deferred_hooks and 'config-changed' in deferred_hooks:
neutron_ovs_hooks.config_changed(check_deferred_restarts=False)
deferred_events.clear_deferred_hook('config-changed')
def _run_deferred_hooks():
"""Run supported deferred hooks as needed.
Run supported deferred hooks as needed. If support for deferring a new
hook is added to the charm then this method will need updating.
"""
if not deferred_events.is_restart_permitted():
if 'config-changed' in deferred_events.get_deferred_hooks():
log("Running hook config-changed", level=INFO)
rabbitmq_server_relations.config_changed(
check_deferred_restarts=False)
deferred_events.clear_deferred_hook('config-changed')
if 'amqp-relation-changed' in deferred_events.get_deferred_hooks():
log("Running hook amqp-relation-changed", level=INFO)
# update_clients cycles through amqp relations running
# amqp-relation-changed hook.
rabbitmq_server_relations.update_clients(
check_deferred_restarts=False)
deferred_events.clear_deferred_hook('amqp-relation-changed')
log("Remaining hooks: {}".format(deferred_events.get_deferred_hooks()),
level=INFO)
def _run_deferred_hooks():
"""Run deferred hooks."""
deferred_methods = deferred_events.get_deferred_hooks()
ovsdb = reactive.endpoint_from_flag('ovsdb.available')
with charms_openstack.charm.provide_charm_instance() as charm_instance:
if ('install' in deferred_methods or
'configure_ovs' in deferred_methods):
charm_instance.install(check_deferred_events=False)
if 'configure_ovs' in deferred_methods:
charm_instance.render_with_interfaces(
charms_openstack.charm.optional_interfaces(
(ovsdb,),
'nova-compute.connected',
'amqp.connected'))
charm_instance.configure_ovs(
','.join(ovsdb.db_sb_connection_strs),
reactive.is_flag_set('config.changed.disable-mlockall'),
check_deferred_events=False)
def test_get_deferred_hook(self):
deferred_events.set_deferred_hook('config-changed')
self.assertEqual(deferred_events.get_deferred_hooks(),
['config-changed'])
