pvc/fencenode.py

#!/usr/bin/env python3

# fencenode.py - Supplemental functions to handle fencing of dead nodes
# Part of the Parallel Virtual Cluster (PVC) system
#
#    Copyright (C) 2018  Joshua M. Boniface <joshua@boniface.me>
#
#    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 3 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, see <https://www.gnu.org/licenses/>.
#
###############################################################################

import os, sys, libvirt, uuid, kazoo.client, time

#
# Trigger function
#
def fence(node_name, zk):
    time.sleep(3)
    print('>>> Fencing node {} via IPMI reboot signal.'.format(node_name))