def enable_ovs_dpdk():
'''Enables the DPDK variant of ovs-vswitchd and restarts it'''
subprocess.check_call(UPDATE_ALTERNATIVES + [OVS_DPDK_BIN])
values_changed = []
if ovs_has_late_dpdk_init():
dpdk_context = OVSDPDKDeviceContext()
other_config = OrderedDict([
('dpdk-lcore-mask', dpdk_context.cpu_mask()),
('dpdk-socket-mem', dpdk_context.socket_memory()),
('dpdk-init', 'true'),
])
if not ovs_vhostuser_client():
other_config['dpdk-extra'] = (
'--vhost-owner libvirt-qemu:kvm --vhost-perm 0660 ' +
dpdk_context.pci_whitelist())
else:
other_config['dpdk-extra'] = (dpdk_context.pci_whitelist())
other_config['dpdk-init'] = 'true'
for column, value in other_config.items():
values_changed.append(
set_Open_vSwitch_column_value('other_config:{}'.format(column),
value))
if ((values_changed and any(values_changed)) and not is_unit_paused_set()):
deferrable_svc_restart('openvswitch-switch',
reason='DPDK Config changed')
def nm_changed():
CONFIGS.write_all()
if relation_get('ca_cert'):
ca_crt = b64decode(relation_get('ca_cert'))
install_ca_cert(ca_crt)
if config('ha-legacy-mode'):
cache_env_data()
# Disable nova metadata if possible,
if disable_nova_metadata():
remove_legacy_nova_metadata()
else:
# NOTE: nova-api-metadata needs to be restarted
# once the nova-conductor is up and running
# on the nova-cc units.
restart_nonce = relation_get('restart_trigger')
if restart_nonce is not None:
db = kv()
previous_nonce = db.get('restart_nonce')
if previous_nonce != restart_nonce:
if not is_unit_paused_set():
deferrable_svc_restart('nova-api-metadata',
'Restart trigger received')
db.set('restart_nonce', restart_nonce)
db.flush()
# LP: #1812813
update_nrpe_config()
def enable_hw_offload():
'''Enable hardware offload support in Open vSwitch'''
values_changed = [
set_Open_vSwitch_column_value('other_config:hw-offload', 'true'),
set_Open_vSwitch_column_value('other_config:max-idle', '30000')
]
if ((values_changed and any(values_changed)) and not is_unit_paused_set()):
deferrable_svc_restart('openvswitch-switch',
reason='Hardware offload config changed')
def upgrade_charm():
install()
packages_removed = remove_old_packages()
if packages_removed and not is_unit_paused_set():
log("Package purge detected, restarting services", "INFO")
for s in services():
deferrable_svc_restart(s, 'Package purge detected')
config_changed()
update_legacy_ha_files(force=True)
# Install systemd overrides to remove service startup race between
# n-gateway and n-cloud-controller services.
install_systemd_override()
def test_deferrable_svc_restart(self, is_restart_permitted,
service_restart, save_event, time):
time.return_value = 123
is_restart_permitted.return_value = True
deferred_events.deferrable_svc_restart('svcA', reason='ReasonA')
service_restart.assert_called_once_with('svcA')
service_restart.reset_mock()
is_restart_permitted.return_value = False
deferred_events.deferrable_svc_restart('svcA', reason='ReasonA')
self.assertFalse(service_restart.called)
save_event.assert_called_once_with(
deferred_events.ServiceEvent(timestamp=123,
service='svcA',
reason='ReasonA',
action='restart'))