def PUT(self, cluster_id): cluster = self.get_object_or_404( Cluster, cluster_id, log_404=( "warning", "Error: there is no cluster " "with id '{0}' in DB.".format(cluster_id))) try: network_info = \ NetworkConfigurationSerializer.serialize_for_cluster( cluster ) logger.info( u"Network info:\n{0}".format( json.dumps(network_info, indent=4) ) ) task_manager = DeploymentTaskManager( cluster_id=cluster.id ) task = task_manager.execute() except Exception as exc: logger.warn(u'ClusterChangesHandler: error while execution' ' deploy task: {0}'.format(str(exc))) raise web.badrequest(str(exc)) return TaskHandler.render(task)
def PUT(self, cluster_id): """:returns: JSONized Task object. :http: * 200 (task successfully executed) * 404 (cluster not found in db) * 400 (failed to execute task) """ cluster = self.get_object_or_404( Cluster, cluster_id, log_404=( "warning", "Error: there is no cluster " "with id '{0}' in DB.".format(cluster_id))) try: network_info = \ NetworkConfigurationSerializer.serialize_for_cluster( cluster ) logger.info( u"Network info:\n{0}".format( json.dumps(network_info, indent=4) ) ) task_manager = DeploymentTaskManager( cluster_id=cluster.id ) task = task_manager.execute() except Exception as exc: logger.warn(u'ClusterChangesHandler: error while execution' ' deploy task: {0}'.format(str(exc))) raise web.badrequest(str(exc)) return TaskHandler.render(task)
def execute(self): logger.info(u"Trying to start deployment at cluster '{0}'".format(self.cluster.name or self.cluster.id)) current_tasks = db().query(Task).filter_by(cluster_id=self.cluster.id, name="deploy") for task in current_tasks: if task.status == "running": raise errors.DeploymentAlreadyStarted() elif task.status in ("ready", "error"): for subtask in task.subtasks: db().delete(subtask) db().delete(task) db().commit() task_messages = [] nodes_to_delete = TaskHelper.nodes_to_delete(self.cluster) nodes_to_deploy = TaskHelper.nodes_to_deploy(self.cluster) nodes_to_provision = TaskHelper.nodes_to_provision(self.cluster) if not any([nodes_to_provision, nodes_to_deploy, nodes_to_delete]): raise errors.WrongNodeStatus("No changes to deploy") self.cluster.status = "deployment" db().add(self.cluster) db().commit() supertask = Task(name="deploy", cluster=self.cluster) db().add(supertask) db().commit() # checking admin intersection with untagged network_info = NetworkConfigurationSerializer.serialize_for_cluster(self.cluster) check_networks = supertask.create_subtask("check_networks") self._call_silently(check_networks, tasks.CheckNetworksTask, data=network_info, check_admin_untagged=True) db().refresh(check_networks) if check_networks.status == "error": return supertask db().delete(check_networks) db().commit() # checking prerequisites check_before = supertask.create_subtask("check_before_deployment") logger.debug("Checking prerequisites task: %s", check_before.uuid) self._call_silently(check_before, tasks.CheckBeforeDeploymentTask) db().refresh(check_before) # if failed to check prerequisites # then task is already set to error if check_before.status == "error": logger.debug("Checking prerequisites failed: %s", check_before.message) return supertask logger.debug("Checking prerequisites is successful, starting deployment...") db().delete(check_before) db().commit() # in case of Red Hat if self.cluster.release.operating_system == "RHEL": try: redhat_messages = self._redhat_messages( supertask, # provision only? [{"uid": n.id, "platform_name": n.platform_name} for n in nodes_to_provision], ) except Exception as exc: TaskHelper.update_task_status(supertask.uuid, status="error", progress=100, msg=str(exc)) return supertask task_messages.extend(redhat_messages) # /in case of Red Hat task_deletion, task_provision, task_deployment = None, None, None if nodes_to_delete: task_deletion = supertask.create_subtask("node_deletion") logger.debug("Launching deletion task: %s", task_deletion.uuid) self._call_silently(task_deletion, tasks.DeletionTask) if nodes_to_provision: TaskHelper.update_slave_nodes_fqdn(nodes_to_provision) logger.debug("There are nodes to provision: %s", " ".join([n.fqdn for n in nodes_to_provision])) task_provision = supertask.create_subtask("provision") # we assume here that task_provision just adds system to # cobbler and reboots it, so it has extremely small weight task_provision.weight = 0.05 provision_message = self._call_silently(task_provision, tasks.ProvisionTask, method_name="message") db().refresh(task_provision) # if failed to generate task message for orchestrator # then task is already set to error if task_provision.status == "error": return supertask task_provision.cache = provision_message db().add(task_provision) db().commit() task_messages.append(provision_message) if nodes_to_deploy: TaskHelper.update_slave_nodes_fqdn(nodes_to_deploy) logger.debug("There are nodes to deploy: %s", " ".join([n.fqdn for n in nodes_to_deploy])) task_deployment = supertask.create_subtask("deployment") deployment_message = self._call_silently(task_deployment, tasks.DeploymentTask, method_name="message") # if failed to generate task message for orchestrator # then task is already set to error if task_deployment.status == "error": return supertask task_deployment.cache = deployment_message db().add(task_deployment) db().commit() task_messages.append(deployment_message) if task_messages: rpc.cast("naily", task_messages) logger.debug( u"Deployment: task to deploy cluster '{0}' is {1}".format( self.cluster.name or self.cluster.id, supertask.uuid ) ) return supertask
def execute(self): logger.info(u"Trying to start deployment at cluster '{0}'".format( self.cluster.name or self.cluster.id, )) current_tasks = db().query(Task).filter_by(cluster_id=self.cluster.id, name="deploy") for task in current_tasks: if task.status == "running": raise errors.DeploymentAlreadyStarted() elif task.status in ("ready", "error"): for subtask in task.subtasks: db().delete(subtask) db().delete(task) db().commit() task_messages = [] nodes_to_delete = TaskHelper.nodes_to_delete(self.cluster) nodes_to_deploy = TaskHelper.nodes_to_deploy(self.cluster) nodes_to_provision = TaskHelper.nodes_to_provision(self.cluster) if not any([nodes_to_provision, nodes_to_deploy, nodes_to_delete]): raise errors.WrongNodeStatus("No changes to deploy") self.cluster.status = 'deployment' db().add(self.cluster) db().commit() supertask = Task(name="deploy", cluster=self.cluster) db().add(supertask) db().commit() # checking admin intersection with untagged network_info = NetworkConfigurationSerializer.serialize_for_cluster( self.cluster) check_networks = supertask.create_subtask('check_networks') self._call_silently(check_networks, tasks.CheckNetworksTask, data=network_info, check_admin_untagged=True) db().refresh(check_networks) if check_networks.status == 'error': return supertask db().delete(check_networks) db().commit() # checking prerequisites check_before = supertask.create_subtask('check_before_deployment') logger.debug("Checking prerequisites task: %s", check_before.uuid) self._call_silently(check_before, tasks.CheckBeforeDeploymentTask) db().refresh(check_before) # if failed to check prerequisites # then task is already set to error if check_before.status == 'error': logger.debug("Checking prerequisites failed: %s", check_before.message) return supertask logger.debug( "Checking prerequisites is successful, starting deployment...") db().delete(check_before) db().commit() # in case of Red Hat if self.cluster.release.operating_system == "RHEL": try: redhat_messages = self._redhat_messages( supertask, # provision only? [{ "uid": n.id, "platform_name": n.platform_name } for n in nodes_to_provision]) except Exception as exc: TaskHelper.update_task_status(supertask.uuid, status='error', progress=100, msg=str(exc)) return supertask task_messages.extend(redhat_messages) # /in case of Red Hat task_deletion, task_provision, task_deployment = None, None, None if nodes_to_delete: task_deletion = supertask.create_subtask("node_deletion") logger.debug("Launching deletion task: %s", task_deletion.uuid) self._call_silently(task_deletion, tasks.DeletionTask) if nodes_to_provision: TaskHelper.update_slave_nodes_fqdn(nodes_to_provision) logger.debug("There are nodes to provision: %s", " ".join([n.fqdn for n in nodes_to_provision])) task_provision = supertask.create_subtask("provision") # we assume here that task_provision just adds system to # cobbler and reboots it, so it has extremely small weight task_provision.weight = 0.05 provision_message = self._call_silently(task_provision, tasks.ProvisionTask, method_name='message') db().refresh(task_provision) # if failed to generate task message for orchestrator # then task is already set to error if task_provision.status == 'error': return supertask task_provision.cache = provision_message db().add(task_provision) db().commit() task_messages.append(provision_message) if nodes_to_deploy: TaskHelper.update_slave_nodes_fqdn(nodes_to_deploy) logger.debug("There are nodes to deploy: %s", " ".join([n.fqdn for n in nodes_to_deploy])) task_deployment = supertask.create_subtask("deployment") deployment_message = self._call_silently(task_deployment, tasks.DeploymentTask, method_name='message') # if failed to generate task message for orchestrator # then task is already set to error if task_deployment.status == 'error': return supertask task_deployment.cache = deployment_message db().add(task_deployment) db().commit() task_messages.append(deployment_message) if task_messages: rpc.cast('naily', task_messages) logger.debug(u"Deployment: task to deploy cluster '{0}' is {1}".format( self.cluster.name or self.cluster.id, supertask.uuid)) return supertask