+ def RecordGrow(self, amount):
+ """Update the size of this disk after growth.
+
+ This method recurses over the disks's children and updates their
+ size correspondigly. The method needs to be kept in sync with the
+ actual algorithms from bdev.
+
+ """
+ if self.dev_type == constants.LD_LV:
+ self.size += amount
+ elif self.dev_type == constants.LD_DRBD8:
+ if self.children:
+ self.children[0].RecordGrow(amount)
+ self.size += amount
+ else:
+ raise errors.ProgrammerError("Disk.RecordGrow called for unsupported"
+ " disk type %s" % self.dev_type)
+
+ def SetPhysicalID(self, target_node, nodes_ip):
+ """Convert the logical ID to the physical ID.
+
+ This is used only for drbd, which needs ip/port configuration.
+
+ The routine descends down and updates its children also, because
+ this helps when the only the top device is passed to the remote
+ node.
+
+ Arguments:
+ - target_node: the node we wish to configure for
+ - nodes_ip: a mapping of node name to ip
+
+ The target_node must exist in in nodes_ip, and must be one of the
+ nodes in the logical ID for each of the DRBD devices encountered
+ in the disk tree.
+
+ """
+ if self.children:
+ for child in self.children:
+ child.SetPhysicalID(target_node, nodes_ip)
+
+ if self.logical_id is None and self.physical_id is not None:
+ return
+ if self.dev_type in constants.LDS_DRBD:
+ pnode, snode, port, pminor, sminor, secret = self.logical_id
+ if target_node not in (pnode, snode):
+ raise errors.ConfigurationError("DRBD device not knowing node %s" %
+ target_node)
+ pnode_ip = nodes_ip.get(pnode, None)
+ snode_ip = nodes_ip.get(snode, None)
+ if pnode_ip is None or snode_ip is None:
+ raise errors.ConfigurationError("Can't find primary or secondary node"
+ " for %s" % str(self))
+ p_data = (pnode_ip, port)
+ s_data = (snode_ip, port)
+ if pnode == target_node:
+ self.physical_id = p_data + s_data + (pminor, secret)
+ else: # it must be secondary, we tested above
+ self.physical_id = s_data + p_data + (sminor, secret)
+ else:
+ self.physical_id = self.logical_id
+ return
+