HPATH = "disk-grow"
HTYPE = constants.HTYPE_INSTANCE
_OP_REQP = ["instance_name", "disk", "amount"]
+ REQ_BGL = False
+
+ def ExpandNames(self):
+ self._ExpandAndLockInstance()
+ self.needed_locks[locking.LEVEL_NODE] = []
+ self.recalculate_locks[locking.LEVEL_NODE] = 'replace'
+
+ def DeclareLocks(self, level):
+ if level == locking.LEVEL_NODE:
+ self._LockInstancesNodes()
def BuildHooksEnv(self):
"""Build hooks env.
This checks that the instance is in the cluster.
"""
- instance = self.cfg.GetInstanceInfo(
- self.cfg.ExpandInstanceName(self.op.instance_name))
- if instance is None:
- raise errors.OpPrereqError("Instance '%s' not known" %
- self.op.instance_name)
+ instance = self.cfg.GetInstanceInfo(self.op.instance_name)
+ assert instance is not None, \
+ "Cannot retrieve locked instance %s" % self.op.instance_name
+
self.instance = instance
- self.op.instance_name = instance.name
if instance.disk_template not in (constants.DT_PLAIN, constants.DT_DRBD8):
raise errors.OpPrereqError("Instance's disk layout does not support"