def config_changed():
configure_deferred_restarts(deferrable_services())
if not config('action-managed-upgrade'):
if openstack_upgrade_available(NEUTRON_COMMON):
status_set('maintenance', 'Running openstack upgrade')
do_openstack_upgrade(CONFIGS)
update_nrpe_config()
module_settings = config('kernel-modules')
if module_settings:
if is_container():
log("Cannot load modules inside of a container", level=WARNING)
else:
for module in module_settings.split():
try:
modprobe(module)
except Exception:
message = "Failed to load kernel module '%s'" % module
log(message, level=WARNING)
sysctl_settings = config('sysctl')
if sysctl_settings:
if is_container():
log("Cannot create sysctls inside of a container", level=WARNING)
else:
create_sysctl(sysctl_settings,
'/etc/sysctl.d/50-quantum-gateway.conf')
# Re-run joined hooks as config might have changed
for r_id in relation_ids('amqp'):
amqp_joined(relation_id=r_id)
for r_id in relation_ids('amqp-nova'):
amqp_nova_joined(relation_id=r_id)
if valid_plugin():
CONFIGS.write_all()
configure_ovs()
configure_apparmor()
else:
message = 'Please provide a valid plugin config'
log(message, level=ERROR)
status_set('blocked', message)
sys.exit(1)
if config('plugin') == 'n1kv':
if config('enable-l3-agent'):
status_set('maintenance', 'Installing apt packages')
apt_install(filter_installed_packages('neutron-l3-agent'))
else:
apt_purge('neutron-l3-agent')
# Setup legacy ha configurations
update_legacy_ha_files()
# Disable nova metadata if possible,
if disable_nova_metadata():
remove_legacy_nova_metadata()
if disable_neutron_lbaas():
remove_legacy_neutron_lbaas()
def configure_deferred_restarts(self):
"""Install deferred event files and policies.
Check that the charm supports deferred events by checking for the
presence of the 'enable-auto-restarts' config option. If it is present
then install the supporting files and directories, however,
configure_deferred_restarts only enables deferred events if
'enable-auto-restarts' is True.
"""
if 'enable-auto-restarts' in ch_core.hookenv.config().keys():
deferred_events.configure_deferred_restarts(
self.deferable_services)
# Reactive charms execute perm missing.
os.chmod(
'/var/lib/charm/{}/policy-rc.d'.format(
ch_core.hookenv.service_name()),
0o755)
def test_configure_deferred_restarts(self, install_policy_rcd,
is_restart_permitted,
remove_policy_file, add_policy_block):
is_restart_permitted.return_value = True
deferred_events.configure_deferred_restarts(['svcA', 'svcB'])
remove_policy_file.assert_called_once_with()
install_policy_rcd.assert_called_once_with()
remove_policy_file.reset_mock()
install_policy_rcd.reset_mock()
is_restart_permitted.return_value = False
deferred_events.configure_deferred_restarts(['svcA', 'svcB'])
self.assertFalse(remove_policy_file.called)
install_policy_rcd.assert_called_once_with()
add_policy_block.assert_has_calls([
call('svcA', ['stop', 'restart', 'try-restart']),
call('svcB', ['stop', 'restart', 'try-restart'])])
def config_changed(check_deferred_restarts=True):
configure_deferred_restarts(deferrable_services())
# policy_rcd.remove_policy_file()
# if we are paused, delay doing any config changed hooks.
# It is forced on the resume.
allowed, reason = is_hook_allowed(
'config-changed', check_deferred_restarts=check_deferred_restarts)
if not allowed:
log(reason, "WARN")
return
install_packages()
install_tmpfilesd()
# NOTE(jamespage): purge any packages as a result of py3 switch
# at rocky.
packages_to_purge = determine_purge_packages()
request_nova_compute_restart = False
if packages_to_purge:
purge_packages(packages_to_purge)
request_nova_compute_restart = True
sysctl_settings = config('sysctl')
if not is_container() and sysctl_settings:
create_sysctl(sysctl_settings, '/etc/sysctl.d/50-openvswitch.conf')
# NOTE(fnordahl): It is important to write config to disk and perhaps
# restart the openvswitch-swith service prior to attempting to do run-time
# configuration of OVS as we may have to pass options to `ovs-ctl` for
# `ovs-vswitchd` to run at all. LP: #1906280
# TODO: make restart_on_change use contextlib.contextmanager
@restart_on_change({
cfg: services
for cfg, services in restart_map().items() if cfg == OVS_DEFAULT
})
def _restart_before_runtime_config_when_required():
CONFIGS.write_all()
_restart_before_runtime_config_when_required()
configure_ovs()
for rid in relation_ids('neutron-plugin'):
neutron_plugin_joined(relation_id=rid,
request_restart=request_nova_compute_restart)
def config_changed(check_deferred_restarts=True):
"""Run config-chaged hook.
:param check_deferred_events: Whether to check if restarts are
permitted before running hook.
:type check_deferred_events: bool
"""
configure_deferred_restarts(rabbit.services())
allowed, reason = is_hook_allowed(
'config-changed', check_deferred_restarts=check_deferred_restarts)
if not allowed:
log(reason, "WARN")
return
# Update hosts with this unit's information
cluster_ip = ch_ip.get_relation_ip(
rabbit_net_utils.CLUSTER_INTERFACE,
cidr_network=config(rabbit_net_utils.CLUSTER_OVERRIDE_CONFIG))
rabbit.update_hosts_file({cluster_ip: rabbit.get_unit_hostname()})
# Add archive source if provided and not in the upgrade process
if not leader_get("cluster_series_upgrading"):
add_source(config('source'), config('key'))
# Copy in defaults file for updated ulimits
shutil.copyfile('templates/rabbitmq-server',
'/etc/default/rabbitmq-server')
# Install packages to ensure any changes to source
# result in an upgrade if applicable only if we change the 'source'
# config option
if rabbit.archive_upgrade_available():
# Avoid packge upgrade collissions
# Stopping and attempting to start rabbitmqs at the same time leads to
# failed restarts
rabbit.cluster_wait()
rabbit.install_or_upgrade_packages()
if config('ssl') == 'off':
open_port(5672)
close_port(int(config('ssl_port')))
elif config('ssl') == 'on':
open_port(5672)
open_port(int(config('ssl_port')))
elif config('ssl') == 'only':
close_port(5672)
open_port(int(config('ssl_port')))
else:
log("Unknown ssl config value: '%s'" % config('ssl'), level=ERROR)
chown(RABBIT_DIR, rabbit.RABBIT_USER, rabbit.RABBIT_USER)
chmod(RABBIT_DIR, 0o775)
if rabbit.management_plugin_enabled():
rabbit.enable_plugin(MAN_PLUGIN)
open_port(rabbit.get_managment_port())
else:
rabbit.disable_plugin(MAN_PLUGIN)
close_port(rabbit.get_managment_port())
# LY: Close the old managment port since it may have been opened in a
# previous version of the charm. close_port is a noop if the port
# is not open
close_port(55672)
# NOTE(jamespage): If a newer RMQ version is
# installed and the old style configuration file
# is still on disk, remove before re-rendering
# any new configuration.
if (os.path.exists(rabbit.RABBITMQ_CONFIG)
and cmp_pkgrevno('rabbitmq-server', '3.7') >= 0):
os.remove(rabbit.RABBITMQ_CONFIG)
rabbit.ConfigRenderer(rabbit.CONFIG_FILES()).write_all()
if is_relation_made("ha"):
ha_is_active_active = config("ha-vip-only")
if ha_is_active_active:
update_nrpe_checks()
else:
if is_elected_leader('res_rabbitmq_vip'):
update_nrpe_checks()
else:
log("hacluster relation is present but this node is not active"
" skipping update nrpe checks")
elif is_relation_made('nrpe-external-master'):
update_nrpe_checks()
# Only set values if this is the leader
if not is_leader():
return
rabbit.set_all_mirroring_queues(config('mirroring-queues'))
# Update cluster in case min-cluster-size has changed
for rid in relation_ids('cluster'):
for unit in related_units(rid):
cluster_changed(relation_id=rid, remote_unit=unit)
# NOTE(jamespage): Workaround until we have a good way
# of generally disabling notifications
# based on which services are deployed.
if 'openstack' in rabbit.list_vhosts():
rabbit.configure_notification_ttl('openstack',
config('notification-ttl'))