#!/usr/bin/python
# mclu (mini cluster)
# Copyright (C) 2014 Red Hat Inc.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.

import argparse
import libvirt

import lib

def cmdline (subparsers):
    p = subparsers.add_parser (
        'list',
        help='list virtual machines',
    )
    p.add_argument (
        '--running', action='store_const', const=True,
        help='list only running VMs'
    )
    p.add_argument (
        '--inactive', action='store_const', const=True,
        help='list only inactive VMs'
    )
    p.set_defaults (run=run)

def run (c, args, nodes):
    show_running = True
    show_inactive = True
    if not args.running or not args.inactive:
        if args.running:
            show_running = True
            show_inactive = False
        if args.inactive:
            show_running = False
            show_inactive = True

    running, inactive = lib.get_all_guests (c, nodes.values ())

    if show_running:
        for guest in running.values():
            node_name = guest['node'].name
            dom_name = guest['dom'].name()
            dom_state = lib.pretty_run_status (guest['dom'].state()[0])
            print "%s:%s\t%s" % (node_name, dom_name, dom_state)

    if show_inactive:
        for name in inactive.values():
            print "%s\tinactive" % name