def recreate_slave(self, request, pk=None):
host = self.get_object()
if not host.is_database:
return self._render_error(
"The host must be Database instance",
422
)
serializer = self.get_serializer()
database = serializer.get_database(host)
if database.is_being_used_elsewhere():
return self._render_error(
"Database {} is being used for another task".format(database),
422
)
if not (database.databaseinfra.plan.replication_topology
.can_recreate_slave):
return self._render_error(
"This topology cant recreate slave",
422
)
instance = host.database_instance()
driver = instance.databaseinfra.get_driver()
if driver.check_instance_is_master(instance):
return self._render_error(
"Host is master. The host must be Slave",
422
)
raise Exception()
TaskRegister.recreate_slave(host=host, user=request.user)
return Response(
{'hostname': host.hostname, 'id': host.id},
status=204
)
def retry_view(self, request, manager_id):
retry_from = get_object_or_404(RecreateSlave, pk=manager_id)
success, redirect = self.check_status(request, retry_from, 'retry')
if not success:
return redirect
TaskRegister.recreate_slave(host=retry_from.host,
user=request.user,
since_step=retry_from.current_step,
step_manager=retry_from)
return self.redirect_to_database(retry_from)
