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
