+ This replaces the children lists of objects with lists of
+ standard python types.
+
+ """
+ bo = super(Disk, self).ToDict()
+
+ for attr in ("children",):
+ alist = bo.get(attr, None)
+ if alist:
+ bo[attr] = self._ContainerToDicts(alist)
+ return bo
+
+ @classmethod
+ def FromDict(cls, val):
+ """Custom function for Disks
+
+ """
+ obj = super(Disk, cls).FromDict(val)
+ if obj.children:
+ obj.children = cls._ContainerFromDicts(obj.children, list, Disk)
+ if obj.logical_id and isinstance(obj.logical_id, list):
+ obj.logical_id = tuple(obj.logical_id)
+ if obj.physical_id and isinstance(obj.physical_id, list):
+ obj.physical_id = tuple(obj.physical_id)
+ if obj.dev_type in constants.LDS_DRBD:
+ # we need a tuple of length six here
+ if len(obj.logical_id) < 6:
+ obj.logical_id += (None,) * (6 - len(obj.logical_id))
+ return obj
+
+ def __str__(self):
+ """Custom str() formatter for disks.
+
+ """
+ if self.dev_type == constants.LD_LV:
+ val = "<LogicalVolume(/dev/%s/%s" % self.logical_id
+ elif self.dev_type in constants.LDS_DRBD:
+ node_a, node_b, port, minor_a, minor_b = self.logical_id[:5]
+ val = "<DRBD8("
+ if self.physical_id is None:
+ phy = "unconfigured"
+ else:
+ phy = ("configured as %s:%s %s:%s" %
+ (self.physical_id[0], self.physical_id[1],
+ self.physical_id[2], self.physical_id[3]))
+
+ val += ("hosts=%s/%d-%s/%d, port=%s, %s, " %
+ (node_a, minor_a, node_b, minor_b, port, phy))
+ if self.children and self.children.count(None) == 0:
+ val += "backend=%s, metadev=%s" % (self.children[0], self.children[1])
+ else:
+ val += "no local storage"
+ else:
+ val = ("<Disk(type=%s, logical_id=%s, physical_id=%s, children=%s" %
+ (self.dev_type, self.logical_id, self.physical_id, self.children))
+ if self.iv_name is None:
+ val += ", not visible"
+ else:
+ val += ", visible as /dev/%s" % self.iv_name
+ if isinstance(self.size, int):
+ val += ", size=%dm)>" % self.size
+ else:
+ val += ", size='%s')>" % (self.size,)
+ return val
+
+ def Verify(self):
+ """Checks that this disk is correctly configured.
+
+ """
+ errors = []
+ if self.mode not in constants.DISK_ACCESS_SET:
+ errors.append("Disk access mode '%s' is invalid" % (self.mode, ))
+ return errors
+
+
+class Instance(TaggableObject):