Synnefo » snf-ganeti » ganeti-local

def ListPhysicalVolumes(opts, args):

  """List physical volumes on node(s).

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

  @type args: list

  @param args: should either be an empty list, in which case

      we list data for all nodes, or contain a list of nodes

      to display data only for those

  @rtype: int

  @return: the desired exit code

  """

  if opts.output is None:

    selected_fields = ["node", constants.SF_NAME, constants.SF_SIZE,

                       constants.SF_USED, constants.SF_FREE]

  else:

    selected_fields = opts.output.split(",")

  op = opcodes.OpQueryNodeStorage(nodes=args,

                                  storage_type=constants.ST_LVM_PV,

                                  output_fields=selected_fields)

  output = SubmitOpCode(op)

  if not opts.no_headers:

    headers = {

      "node": "Node",

      constants.SF_NAME: "Name",

      constants.SF_SIZE: "Size",

      constants.SF_USED: "Used",

      constants.SF_FREE: "Free",

      constants.SF_ALLOCATABLE: "Allocatable",

      }

  else:

    headers = None

  unitfields = [constants.SF_SIZE, constants.SF_USED, constants.SF_FREE]

  numfields = [constants.SF_SIZE, constants.SF_USED, constants.SF_FREE]

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

                       fields=selected_fields, unitfields=unitfields,

                       numfields=numfields, data=output, units=opts.units)

  for line in data:

    ToStdout(line)

  return 0

  'physical-volumes': (ListPhysicalVolumes, ARGS_ANY,

                       [DEBUG_OPT, NOHDR_OPT, SEP_OPT, USEUNITS_OPT,

                        FIELDS_OPT],

                       "[<node_name>...]",

                       "List physical volumes on node(s)"),