Synnefo » snf-ganeti » ganeti-local

def Health(opts, args):

  """Show health of a node using OOB.

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

  @type args: list

  @param args: should contain only one element, the name of

      the node to be removed

  @rtype: int

  @return: the desired exit code

  """

  op = opcodes.OpOobCommand(node_names=args, command=constants.OOB_HEALTH)

  result = SubmitOpCode(op, opts=opts)

  if opts.no_headers:

    headers = None

  else:

    headers = {"node": "Node", "status": "Status"}

  errs = 0

  data = []

  for node_result in result:

    (node_tuple, data_tuple) = node_result

    (_, node_name) = node_tuple

    (data_status, data_node) = data_tuple

    if data_status == constants.RS_NORMAL:

      data.append([node_name, "%s=%s" % tuple(data_node[0])])

      for item, status in data_node[1:]:

        data.append(["", "%s=%s" % (item, status)])

    else:

      errs += 1

      data.append([node_name, cli.FormatResultError(data_status)])

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

                       fields=["node", "status"], data=data)

  for line in data:

    ToStdout(line)

  if errs:

    return constants.EXIT_FAILURE

  else:

    return constants.EXIT_SUCCESS

  "health": (

    Health, ARGS_MANY_NODES,

    [NOHDR_OPT, SEP_OPT, SUBMIT_OPT, PRIORITY_OPT],

    "[<node_name>...]", "List health of node(s) using out-of-band"),

HEALTH

~~~~~~

**health** [*nodes*]

This commands calls out to out-pf-band management to ask for the health status

of all or given nodes. The health contains the node name and then the items

element with their status in a ``item=status`` manner. Where ``item`` is script

specific and ``status`` can be one of ``OK``, ``WARNING``, ``CRITICAL`` or

``UNKNOWN``. Items with status ``WARNING`` or ``CRITICAL`` are logged and

annotated in the command line output.

    # Those commands should fail as they expect output which isn't provided yet

    # But they should have called the oob helper nevermind

    AssertCommand(["gnt-node", "health", node_name],

                  fail=True)

    _AssertOobCall(verify_path, "health %s" % full_node_name)

    AssertCommand(["gnt-node", "health"], fail=True)

    # Correct Data, exit 0

    _UpdateOobFile(data_path, serializer.DumpJson([["temp", "OK"],

                                                   ["disk0", "CRITICAL"]]))

    AssertCommand(["gnt-node", "health", node_name])

    _AssertOobCall(verify_path, "health %s" % full_node_name)

    AssertCommand(["gnt-node", "health"])

    # Those commands should fail as they expect no data regardless of exit 0

    AssertCommand(["gnt-node", "health", node_name],

                  fail=True)

    _AssertOobCall(verify_path, "health %s" % full_node_name)

    AssertCommand(["gnt-node", "health"], fail=True)

    AssertCommand(["gnt-node", "health", node_name],

                  fail=True)

    _AssertOobCall(verify_path, "health %s" % full_node_name)

    AssertCommand(["gnt-node", "health"], fail=True)