Synnefo » snf-ganeti

  new_2ndary = opts.new_secondary

  if opts.disks is None:

    disks = ["sda", "sdb"]

  else:

    disks = opts.disks.split(",")

  if opts.on_primary == opts.on_secondary: # no -p or -s passed, or both passed

    mode = constants.REPLACE_DISK_ALL

  elif opts.on_primary: # only on primary:

    mode = constants.REPLACE_DISK_PRI

    if new_2ndary is not None:

      raise errors.OpPrereqError("Can't change secondary node on primary disk"

                                 " replacement")

  elif opts.on_secondary is not None: # only on secondary

    mode = constants.REPLACE_DISK_SEC

  op = opcodes.OpReplaceDisks(instance_name=args[0], disks=disks,

                              remote_node=new_2ndary, mode=mode)

                                 help=("New secondary node (for secondary"

                                       " node change)"), metavar="NODE"),

                     make_option("-p", "--on-primary", dest="on_primary",

                                 default=False, action="store_true",

                                 help=("Replace the disk(s) on the primary"

                                       " node (only for the drbd8 template)")),

                     make_option("-s", "--on-secondary", dest="on_secondary",

                                 default=False, action="store_true",

                                 help=("Replace the disk(s) on the secondary"

                                       " node (only for the drbd8 template)")),

                     make_option("--disks", dest="disks", default=None,

                                 help=("Comma-separated list of disks"

                                       " to replace (e.g. sda) (optional,"

                                       " defaults to all disks")),

                     ],