def delete_replica_disks(self, ctxt, replica_id):
replica = self._get_replica(ctxt, replica_id)
self._check_replica_running_executions(ctxt, replica)
execution = models.TasksExecution()
execution.id = str(uuid.uuid4())
execution.status = constants.EXECUTION_STATUS_RUNNING
execution.action = replica
has_tasks = False
for instance in replica.instances:
if (instance in replica.info
and "volumes_info" in replica.info[instance]):
self._create_task(instance,
constants.TASK_TYPE_DELETE_REPLICA_DISKS,
execution)
has_tasks = True
if not has_tasks:
raise exception.InvalidReplicaState(
"This replica does not have volumes information for any "
"instance. Ensure that the replica has been executed "
"successfully priorly")
db_api.add_replica_tasks_execution(ctxt, execution)
LOG.info("Replica tasks execution created: %s", execution.id)
self._begin_tasks(ctxt, execution, replica.info)
return self.get_replica_tasks_execution(ctxt, replica_id, execution.id)
def update_replica(self, ctxt, replica_id, properties):
replica = self._get_replica(ctxt, replica_id)
self._check_replica_running_executions(ctxt, replica)
execution = models.TasksExecution()
execution.id = str(uuid.uuid4())
execution.status = constants.EXECUTION_STATUS_RUNNING
execution.action = replica
for instance in execution.action.instances:
replica.info[instance] = properties
self._create_task(instance, constants.TASK_TYPE_UPDATE_REPLICA,
execution)
db_api.add_replica_tasks_execution(ctxt, execution)
LOG.info("Replica tasks execution created: %s", execution.id)
self._begin_tasks(ctxt, execution, replica.info)
return self.get_replica_tasks_execution(ctxt, replica_id, execution.id)
def execute_replica_tasks(self, ctxt, replica_id, shutdown_instances):
replica = self._get_replica(ctxt, replica_id)
self._check_replica_running_executions(ctxt, replica)
execution = models.TasksExecution()
execution.id = str(uuid.uuid4())
execution.status = constants.EXECUTION_STATUS_RUNNING
execution.action = replica
for instance in execution.action.instances:
validate_replica_inputs_task = self._create_task(
instance, constants.TASK_TYPE_VALIDATE_REPLICA_INPUTS,
execution)
get_instance_info_task = self._create_task(
instance,
constants.TASK_TYPE_GET_INSTANCE_INFO,
execution,
depends_on=[validate_replica_inputs_task.id])
depends_on = [get_instance_info_task.id]
if shutdown_instances:
shutdown_instance_task = self._create_task(
instance,
constants.TASK_TYPE_SHUTDOWN_INSTANCE,
execution,
depends_on=depends_on)
depends_on = [shutdown_instance_task.id]
deploy_replica_disks_task = self._create_task(
instance,
constants.TASK_TYPE_DEPLOY_REPLICA_DISKS,
execution,
depends_on=depends_on)
deploy_replica_source_resources_task = self._create_task(
instance,
constants.TASK_TYPE_DEPLOY_REPLICA_SOURCE_RESOURCES,
execution,
depends_on=[deploy_replica_disks_task.id])
deploy_replica_target_resources_task = self._create_task(
instance,
constants.TASK_TYPE_DEPLOY_REPLICA_TARGET_RESOURCES,
execution,
depends_on=[deploy_replica_disks_task.id])
replicate_disks_task = self._create_task(
instance,
constants.TASK_TYPE_REPLICATE_DISKS,
execution,
depends_on=[
deploy_replica_source_resources_task.id,
deploy_replica_target_resources_task.id
])
self._create_task(
instance,
constants.TASK_TYPE_DELETE_REPLICA_SOURCE_RESOURCES,
execution,
depends_on=[replicate_disks_task.id],
on_error=True)
self._create_task(
instance,
constants.TASK_TYPE_DELETE_REPLICA_TARGET_RESOURCES,
execution,
depends_on=[replicate_disks_task.id],
on_error=True)
db_api.add_replica_tasks_execution(ctxt, execution)
LOG.info("Replica tasks execution created: %s", execution.id)
self._begin_tasks(ctxt, execution, replica.info)
return self.get_replica_tasks_execution(ctxt, replica_id, execution.id)