Synnefo » snf-ganeti

#: Default fields for L{ListLocks}

_LIST_LOCKS_DEF_FIELDS = [

  "name",

  "mode",

  "owner",

  ]

def ListLocks(opts, args): # pylint: disable-msg=W0613

  """List all locks.

  @param opts: the command line options selected by the user

  @type args: list

  @param args: should be an empty list

  @rtype: int

  @return: the desired exit code

  """

  selected_fields = ParseFields(opts.output, _LIST_LOCKS_DEF_FIELDS)

  if not opts.no_headers:

    headers = {

      "name": "Name",

      "mode": "Mode",

      "owner": "Owner",

      }

  else:

    headers = None

  while True:

    # Not reusing client as interval might be too long

    output = GetClient().QueryLocks(selected_fields, False)

    # change raw values to nicer strings

    for row in output:

      for idx, field in enumerate(selected_fields):

        val = row[idx]

        if field in ("mode", "owner") and val is None:

          val = "-"

        elif field == "owner":

          val = utils.CommaJoin(val)

        row[idx] = str(val)

    data = GenerateTable(separator=opts.separator, headers=headers,

                         fields=selected_fields, data=output)

    for line in data:

      ToStdout(line)

    if not opts.interval:

      break

    ToStdout("")

    time.sleep(opts.interval)

  return 0

    "", "Test a few aspects of the job queue"),

  "locks": (

    ListLocks, ARGS_NONE, [NOHDR_OPT, SEP_OPT, FIELDS_OPT, INTERVAL_OPT],

    "[--interval N]", "Show a list of locks in the master daemon"),