def get_create_amphora_for_lb_flow(self):
"""Creates a flow to create an amphora for a load balancer.
This flow is used when there are no spare amphora available
for a new load balancer. It builds an amphora and allocates
for the specific load balancer.
:returns: The The flow for creating the amphora
"""
create_amp_for_lb_flow = linear_flow.Flow(
constants.CREATE_AMPHORA_FOR_LB_FLOW)
create_amp_for_lb_flow.add(
database_tasks.CreateAmphoraInDB(provides=constants.AMPHORA_ID))
if self.REST_AMPHORA_DRIVER:
create_amp_for_lb_flow.add(
cert_task.GenerateServerPEMTask(provides=constants.SERVER_PEM))
create_amp_for_lb_flow.add(
compute_tasks.CertComputeCreate(
requires=(constants.AMPHORA_ID, constants.SERVER_PEM),
provides=constants.COMPUTE_ID))
else:
create_amp_for_lb_flow.add(
compute_tasks.ComputeCreate(requires=constants.AMPHORA_ID,
provides=constants.COMPUTE_ID))
create_amp_for_lb_flow.add(
database_tasks.UpdateAmphoraComputeId(
requires=(constants.AMPHORA_ID, constants.COMPUTE_ID)))
create_amp_for_lb_flow.add(
database_tasks.MarkAmphoraBootingInDB(
requires=(constants.AMPHORA_ID, constants.COMPUTE_ID)))
wait_flow = linear_flow.Flow(
constants.WAIT_FOR_AMPHORA,
retry=retry.Times(CONF.controller_worker.amp_active_retries))
wait_flow.add(
compute_tasks.ComputeWait(requires=constants.COMPUTE_ID,
provides=constants.COMPUTE_OBJ))
wait_flow.add(
database_tasks.UpdateAmphoraInfo(requires=(constants.AMPHORA_ID,
constants.COMPUTE_OBJ),
provides=constants.AMPHORA))
create_amp_for_lb_flow.add(wait_flow)
create_amp_for_lb_flow.add(
amphora_driver_tasks.AmphoraFinalize(requires=constants.AMPHORA))
create_amp_for_lb_flow.add(
database_tasks.MarkAmphoraAllocatedInDB(
requires=(constants.AMPHORA, constants.LOADBALANCER_ID)))
create_amp_for_lb_flow.add(
database_tasks.ReloadAmphora(requires=constants.AMPHORA_ID,
provides=constants.AMPHORA))
create_amp_for_lb_flow.add(
database_tasks.ReloadLoadBalancer(
name=constants.RELOAD_LB_AFTER_AMP_ASSOC,
requires=constants.LOADBALANCER_ID,
provides=constants.LOADBALANCER))
new_LB_net_subflow = self._lb_flows.get_new_LB_networking_subflow()
create_amp_for_lb_flow.add(new_LB_net_subflow)
create_amp_for_lb_flow.add(
database_tasks.MarkLBActiveInDB(requires=constants.LOADBALANCER))
return create_amp_for_lb_flow
def test_compute_create_cert(self, mock_driver, mock_conf, mock_jinja):
createcompute = compute_tasks.CertComputeCreate()
key = utils.get_six_compatible_server_certs_key_passphrase()
fer = fernet.Fernet(key)
mock_driver.build.return_value = COMPUTE_ID
path = '/etc/octavia/certs/ca_01.pem'
self.useFixture(test_utils.OpenFixture(path, 'test'))
# Test execute()
test_cert = fer.encrypt(utils.get_six_compatible_value('test_cert'))
compute_id = createcompute.execute(_amphora_mock.id,
test_cert,
server_group_id=SERVER_GRPOUP_ID)
# Validate that the build method was called properly
mock_driver.build.assert_called_once_with(
name="amphora-" + _amphora_mock.id,
amphora_flavor=AMP_FLAVOR_ID,
image_id=AMP_IMAGE_ID,
image_tag=AMP_IMAGE_TAG,
image_owner='',
key_name=AMP_SSH_KEY_NAME,
sec_groups=AMP_SEC_GROUPS,
network_ids=AMP_NET,
port_ids=[],
user_data=None,
config_drive_files={
'/etc/octavia/certs/server.pem': fer.decrypt(test_cert),
'/etc/octavia/certs/client_ca.pem': 'test',
'/etc/octavia/amphora-agent.conf': 'test_conf'
},
server_group_id=SERVER_GRPOUP_ID)
self.assertEqual(COMPUTE_ID, compute_id)
# Test that a build exception is raised
self.useFixture(test_utils.OpenFixture(path, 'test'))
createcompute = compute_tasks.ComputeCreate()
self.assertRaises(TypeError,
createcompute.execute,
_amphora_mock,
config_drive_files=test_cert)
# Test revert()
_amphora_mock.compute_id = COMPUTE_ID
createcompute = compute_tasks.ComputeCreate()
createcompute.revert(compute_id, _amphora_mock.id)
# Validate that the delete method was called properly
mock_driver.delete.assert_called_once_with(COMPUTE_ID)
# Test that a delete exception is not raised
createcompute.revert(COMPUTE_ID, _amphora_mock.id)
def test_compute_create_cert(self, mock_driver, mock_conf, mock_jinja):
createcompute = compute_tasks.CertComputeCreate()
mock_driver.build.return_value = COMPUTE_ID
m = mock.mock_open(read_data='test')
with mock.patch.object(builtins, 'open', m, create=True):
# Test execute()
compute_id = createcompute.execute(
_amphora_mock.id,
'test_cert',
server_group_id=SERVER_GRPOUP_ID)
# Validate that the build method was called properly
mock_driver.build.assert_called_once_with(
name="amphora-" + _amphora_mock.id,
amphora_flavor=AMP_FLAVOR_ID,
image_id=AMP_IMAGE_ID,
key_name=AMP_SSH_KEY_NAME,
sec_groups=AMP_SEC_GROUPS,
network_ids=[AMP_NET],
port_ids=[],
user_data=None,
config_drive_files={
'/etc/octavia/certs/server.pem': 'test_cert',
'/etc/octavia/certs/client_ca.pem': 'test',
'/etc/octavia/amphora-agent.conf': 'test_conf'
},
server_group_id=SERVER_GRPOUP_ID)
# Make sure it returns the expected compute_id
assert (compute_id == COMPUTE_ID)
# Test that a build exception is raised
with mock.patch.object(builtins, 'open', m, create=True):
createcompute = compute_tasks.ComputeCreate()
self.assertRaises(TypeError,
createcompute.execute,
_amphora_mock,
config_drive_files='test_cert')
# Test revert()
_amphora_mock.compute_id = COMPUTE_ID
createcompute = compute_tasks.ComputeCreate()
createcompute.revert(compute_id, _amphora_mock.id)
# Validate that the delete method was called properly
mock_driver.delete.assert_called_once_with(COMPUTE_ID)
# Test that a delete exception is not raised
createcompute.revert(COMPUTE_ID, _amphora_mock.id)
def get_create_amphora_flow(self):
"""Creates a flow to create an amphora.
:returns: The flow for creating the amphora
"""
create_amphora_flow = linear_flow.Flow(constants.CREATE_AMPHORA_FLOW)
create_amphora_flow.add(
database_tasks.CreateAmphoraInDB(provides=constants.AMPHORA_ID))
create_amphora_flow.add(
lifecycle_tasks.AmphoraIDToErrorOnRevertTask(
requires=constants.AMPHORA_ID))
if self.REST_AMPHORA_DRIVER:
create_amphora_flow.add(
cert_task.GenerateServerPEMTask(provides=constants.SERVER_PEM))
create_amphora_flow.add(
database_tasks.UpdateAmphoraDBCertExpiration(
requires=(constants.AMPHORA_ID, constants.SERVER_PEM)))
create_amphora_flow.add(
compute_tasks.CertComputeCreate(
requires=(constants.AMPHORA_ID, constants.SERVER_PEM,
constants.BUILD_TYPE_PRIORITY),
provides=constants.COMPUTE_ID))
else:
create_amphora_flow.add(
compute_tasks.ComputeCreate(
requires=(constants.AMPHORA_ID,
constants.BUILD_TYPE_PRIORITY),
provides=constants.COMPUTE_ID))
create_amphora_flow.add(
database_tasks.MarkAmphoraBootingInDB(
requires=(constants.AMPHORA_ID, constants.COMPUTE_ID)))
create_amphora_flow.add(
compute_tasks.ComputeActiveWait(requires=(constants.COMPUTE_ID,
constants.AMPHORA_ID),
provides=constants.COMPUTE_OBJ))
create_amphora_flow.add(
database_tasks.UpdateAmphoraInfo(requires=(constants.AMPHORA_ID,
constants.COMPUTE_OBJ),
provides=constants.AMPHORA))
create_amphora_flow.add(
amphora_driver_tasks.AmphoraComputeConnectivityWait(
requires=constants.AMPHORA))
create_amphora_flow.add(
database_tasks.ReloadAmphora(requires=constants.AMPHORA_ID,
provides=constants.AMPHORA))
create_amphora_flow.add(
amphora_driver_tasks.AmphoraFinalize(requires=constants.AMPHORA))
create_amphora_flow.add(
database_tasks.MarkAmphoraReadyInDB(requires=constants.AMPHORA))
return create_amphora_flow
def get_create_amphora_flow(self):
"""Creates a flow to create an amphora.
Ideally that should be configurable in the
config file - a db session needs to be placed
into the flow
:returns: The flow for creating the amphora
"""
create_amphora_flow = linear_flow.Flow(constants.CREATE_AMPHORA_FLOW)
create_amphora_flow.add(
database_tasks.CreateAmphoraInDB(provides=constants.AMPHORA_ID))
if self.REST_AMPHORA_DRIVER:
create_amphora_flow.add(
cert_task.GenerateServerPEMTask(provides=constants.SERVER_PEM))
create_amphora_flow.add(
database_tasks.UpdateAmphoraDBCertExpiration(
requires=(constants.AMPHORA_ID, constants.SERVER_PEM)))
create_amphora_flow.add(
compute_tasks.CertComputeCreate(
requires=(constants.AMPHORA_ID, constants.SERVER_PEM),
provides=constants.COMPUTE_ID))
else:
create_amphora_flow.add(
compute_tasks.ComputeCreate(requires=constants.AMPHORA_ID,
provides=constants.COMPUTE_ID))
create_amphora_flow.add(
database_tasks.MarkAmphoraBootingInDB(
requires=(constants.AMPHORA_ID, constants.COMPUTE_ID)))
create_amphora_flow.add(
compute_tasks.ComputeWait(requires=constants.COMPUTE_ID,
provides=constants.COMPUTE_OBJ))
create_amphora_flow.add(
database_tasks.UpdateAmphoraInfo(requires=(constants.AMPHORA_ID,
constants.COMPUTE_OBJ),
provides=constants.AMPHORA))
create_amphora_flow.add(
database_tasks.ReloadAmphora(requires=constants.AMPHORA_ID,
provides=constants.AMPHORA))
create_amphora_flow.add(
amphora_driver_tasks.AmphoraFinalize(requires=constants.AMPHORA))
create_amphora_flow.add(
database_tasks.MarkAmphoraReadyInDB(requires=constants.AMPHORA))
return create_amphora_flow
def _get_create_amp_for_lb_subflow(self, prefix, role):
"""Create a new amphora for lb."""
sf_name = prefix + '-' + constants.CREATE_AMP_FOR_LB_SUBFLOW
create_amp_for_lb_subflow = linear_flow.Flow(sf_name)
create_amp_for_lb_subflow.add(database_tasks.CreateAmphoraInDB(
name=sf_name + '-' + constants.CREATE_AMPHORA_INDB,
provides=constants.AMPHORA_ID))
anti_affinity = CONF.nova.enable_anti_affinity
if self.REST_AMPHORA_DRIVER:
create_amp_for_lb_subflow.add(cert_task.GenerateServerPEMTask(
name=sf_name + '-' + constants.GENERATE_SERVER_PEM,
provides=constants.SERVER_PEM))
create_amp_for_lb_subflow.add(
database_tasks.UpdateAmphoraDBCertExpiration(
name=sf_name + '-' + constants.UPDATE_CERT_EXPIRATION,
requires=(constants.AMPHORA_ID, constants.SERVER_PEM)))
if role in (constants.ROLE_BACKUP, constants.ROLE_MASTER
) and anti_affinity:
create_amp_for_lb_subflow.add(compute_tasks.CertComputeCreate(
name=sf_name + '-' + constants.CERT_COMPUTE_CREATE,
requires=(constants.AMPHORA_ID, constants.SERVER_PEM,
constants.SERVER_GROUP_ID),
provides=constants.COMPUTE_ID))
else:
create_amp_for_lb_subflow.add(compute_tasks.CertComputeCreate(
name=sf_name + '-' + constants.CERT_COMPUTE_CREATE,
requires=(constants.AMPHORA_ID, constants.SERVER_PEM),
provides=constants.COMPUTE_ID))
else:
if role in (constants.ROLE_BACKUP, constants.ROLE_MASTER
) and anti_affinity:
create_amp_for_lb_subflow.add(compute_tasks.ComputeCreate(
name=sf_name + '-' + constants.COMPUTE_CREATE,
requires=(constants.AMPHORA_ID, constants.SERVER_GROUP_ID),
provides=constants.COMPUTE_ID))
else:
create_amp_for_lb_subflow.add(compute_tasks.ComputeCreate(
name=sf_name + '-' + constants.COMPUTE_CREATE,
requires=constants.AMPHORA_ID,
provides=constants.COMPUTE_ID))
create_amp_for_lb_subflow.add(database_tasks.UpdateAmphoraComputeId(
name=sf_name + '-' + constants.UPDATE_AMPHORA_COMPUTEID,
requires=(constants.AMPHORA_ID, constants.COMPUTE_ID)))
create_amp_for_lb_subflow.add(database_tasks.MarkAmphoraBootingInDB(
name=sf_name + '-' + constants.MARK_AMPHORA_BOOTING_INDB,
requires=(constants.AMPHORA_ID, constants.COMPUTE_ID)))
create_amp_for_lb_subflow.add(compute_tasks.ComputeWait(
name=sf_name + '-' + constants.COMPUTE_WAIT,
requires=constants.COMPUTE_ID,
provides=constants.COMPUTE_OBJ))
create_amp_for_lb_subflow.add(database_tasks.UpdateAmphoraInfo(
name=sf_name + '-' + constants.UPDATE_AMPHORA_INFO,
requires=(constants.AMPHORA_ID, constants.COMPUTE_OBJ),
provides=constants.AMPHORA))
create_amp_for_lb_subflow.add(amphora_driver_tasks.AmphoraFinalize(
name=sf_name + '-' + constants.AMPHORA_FINALIZE,
requires=constants.AMPHORA))
create_amp_for_lb_subflow.add(
database_tasks.MarkAmphoraAllocatedInDB(
name=sf_name + '-' + constants.MARK_AMPHORA_ALLOCATED_INDB,
requires=(constants.AMPHORA, constants.LOADBALANCER_ID)))
create_amp_for_lb_subflow.add(database_tasks.ReloadAmphora(
name=sf_name + '-' + constants.RELOAD_AMPHORA,
requires=constants.AMPHORA_ID,
provides=constants.AMPHORA))
if role == constants.ROLE_MASTER:
create_amp_for_lb_subflow.add(database_tasks.MarkAmphoraMasterInDB(
name=sf_name + '-' + constants.MARK_AMP_MASTER_INDB,
requires=constants.AMPHORA))
elif role == constants.ROLE_BACKUP:
create_amp_for_lb_subflow.add(database_tasks.MarkAmphoraBackupInDB(
name=sf_name + '-' + constants.MARK_AMP_BACKUP_INDB,
requires=constants.AMPHORA))
elif role == constants.ROLE_STANDALONE:
create_amp_for_lb_subflow.add(
database_tasks.MarkAmphoraStandAloneInDB(
name=sf_name + '-' + constants.MARK_AMP_STANDALONE_INDB,
requires=constants.AMPHORA))
return create_amp_for_lb_subflow
def get_failover_flow(self):
"""Creates a flow to failover a stale amphora
:returns: The flow for amphora failover
"""
failover_amphora_flow = linear_flow.Flow(
constants.FAILOVER_AMPHORA_FLOW)
failover_amphora_flow.add(
network_tasks.RetrievePortIDsOnAmphoraExceptLBNetwork(
requires=constants.AMPHORA, provides=constants.PORTS))
failover_amphora_flow.add(
network_tasks.FailoverPreparationForAmphora(
requires=constants.AMPHORA))
failover_amphora_flow.add(
compute_tasks.ComputeDelete(requires=constants.AMPHORA))
failover_amphora_flow.add(
database_tasks.MarkAmphoraDeletedInDB(requires=constants.AMPHORA))
failover_amphora_flow.add(
database_tasks.CreateAmphoraInDB(provides=constants.AMPHORA_ID))
failover_amphora_flow.add(
database_tasks.GetUpdatedFailoverAmpNetworkDetailsAsList(
requires=(constants.AMPHORA_ID, constants.AMPHORA),
provides=constants.AMPS_DATA))
if self.REST_AMPHORA_DRIVER:
failover_amphora_flow.add(
cert_task.GenerateServerPEMTask(provides=constants.SERVER_PEM))
failover_amphora_flow.add(
compute_tasks.CertComputeCreate(
requires=(constants.AMPHORA_ID, constants.SERVER_PEM),
provides=constants.COMPUTE_ID))
else:
failover_amphora_flow.add(
compute_tasks.ComputeCreate(requires=constants.AMPHORA_ID,
provides=constants.COMPUTE_ID))
failover_amphora_flow.add(
database_tasks.UpdateAmphoraComputeId(
requires=(constants.AMPHORA_ID, constants.COMPUTE_ID)))
failover_amphora_flow.add(
database_tasks.AssociateFailoverAmphoraWithLBID(
requires=(constants.AMPHORA_ID, constants.LOADBALANCER_ID)))
failover_amphora_flow.add(
database_tasks.MarkAmphoraBootingInDB(
requires=(constants.AMPHORA_ID, constants.COMPUTE_ID)))
wait_flow = linear_flow.Flow(
constants.WAIT_FOR_AMPHORA,
retry=retry.Times(CONF.controller_worker.amp_active_retries))
wait_flow.add(
compute_tasks.ComputeWait(requires=constants.COMPUTE_ID,
provides=constants.COMPUTE_OBJ))
wait_flow.add(
database_tasks.UpdateAmphoraInfo(requires=(constants.AMPHORA_ID,
constants.COMPUTE_OBJ),
provides=constants.AMPHORA))
failover_amphora_flow.add(wait_flow)
failover_amphora_flow.add(
database_tasks.ReloadAmphora(requires=constants.AMPHORA_ID,
provides=constants.FAILOVER_AMPHORA))
failover_amphora_flow.add(
amphora_driver_tasks.AmphoraFinalize(
rebind={constants.AMPHORA: constants.FAILOVER_AMPHORA},
requires=constants.AMPHORA))
failover_amphora_flow.add(
database_tasks.UpdateAmphoraVIPData(requires=constants.AMPS_DATA))
failover_amphora_flow.add(
database_tasks.ReloadLoadBalancer(
requires=constants.LOADBALANCER_ID,
provides=constants.LOADBALANCER))
failover_amphora_flow.add(
network_tasks.GetAmphoraeNetworkConfigs(
requires=constants.LOADBALANCER,
provides=constants.AMPHORAE_NETWORK_CONFIG))
failover_amphora_flow.add(
database_tasks.GetListenersFromLoadbalancer(
requires=constants.LOADBALANCER, provides=constants.LISTENERS))
failover_amphora_flow.add(
database_tasks.GetVipFromLoadbalancer(
requires=constants.LOADBALANCER, provides=constants.VIP))
failover_amphora_flow.add(
amphora_driver_tasks.ListenersUpdate(requires=(constants.LISTENERS,
constants.VIP)))
failover_amphora_flow.add(
amphora_driver_tasks.AmphoraPostVIPPlug(
requires=(constants.LOADBALANCER,
constants.AMPHORAE_NETWORK_CONFIG)))
failover_amphora_flow.add(
network_tasks.GetMemberPorts(
rebind={constants.AMPHORA: constants.FAILOVER_AMPHORA},
requires=(constants.LOADBALANCER, constants.AMPHORA),
provides=constants.MEMBER_PORTS))
failover_amphora_flow.add(
amphora_driver_tasks.AmphoraPostNetworkPlug(
rebind={
constants.AMPHORA: constants.FAILOVER_AMPHORA,
constants.PORTS: constants.MEMBER_PORTS
},
requires=(constants.AMPHORA, constants.PORTS)))
failover_amphora_flow.add(
amphora_driver_tasks.ListenersStart(requires=(constants.LISTENERS,
constants.VIP)))
failover_amphora_flow.add(
database_tasks.MarkAmphoraAllocatedInDB(
rebind={constants.AMPHORA: constants.FAILOVER_AMPHORA},
requires=(constants.AMPHORA, constants.LOADBALANCER_ID)))
return failover_amphora_flow
