def execute(self, instance, backend_pull_method, success_state, erred_state):
backend = self.get_backend(instance)
getattr(backend, backend_pull_method)(instance)
instance.refresh_from_db()
if instance.runtime_state not in (success_state, erred_state):
self.retry()
elif instance.runtime_state == erred_state:
raise RuntimeStateException(
'%s (PK: %s) runtime state become erred: %s' % (
instance.__class__.__name__, instance.pk, erred_state))
return instance
def execute(self, node):
pull_cluster_nodes(node.cluster_id)
node.refresh_from_db()
if node.runtime_state == models.Node.RuntimeStates.ACTIVE:
# We don't need to change the node state here as it will be done
# in an executor.
return
elif (node.runtime_state in [
models.Node.RuntimeStates.REGISTERING,
models.Node.RuntimeStates.UNAVAILABLE,
] or not node.runtime_state):
self.retry()
elif node.runtime_state:
raise RuntimeStateException(
'%s (PK: %s) runtime state become erred: %s' %
(node.__class__.__name__, node.pk, node.runtime_state))
return node
def execute(self, node):
update_nodes(node.cluster_id)
node.refresh_from_db()
if node.runtime_state == models.Node.RuntimeStates.ACTIVE:
# If node runtime state is ACTIVE,
# then it is necessary to update node state and to call signal for usages updating.
utils.update_cluster_nodes_states(node.cluster.id)
return
elif (node.runtime_state in [
models.Node.RuntimeStates.REGISTERING,
models.Node.RuntimeStates.UNAVAILABLE,
] or not node.runtime_state):
self.retry()
elif node.runtime_state:
raise RuntimeStateException(
'%s (PK: %s) runtime state become erred: %s' %
(node.__class__.__name__, node.pk, node.runtime_state))
return node
def execute(self, cluster):
app = models.Application.objects.get(
cluster=cluster,
name=LONGHORN_NAME,
namespace__name=LONGHORN_NAMESPACE)
backend = app.get_backend()
backend.check_application_state(app)
if app.runtime_state == 'active':
app.state = models.Application.States.OK
app.save()
elif app.runtime_state == 'error':
app.state = models.Application.States.ERRED
app.save()
if app.runtime_state not in ('active', 'error'):
self.retry()
elif app.runtime_state == 'error':
raise RuntimeStateException(
'%s (PK: %s) runtime state become erred: %s' %
(app.__class__.__name__, app.pk, app.runtime_state))
return app