pvc/node-daemon/pvcnoded/util/libvirt.py

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#!/usr/bin/env python3
# libvirt.py - Utility functions for pvcnoded libvirt
# Part of the Parallel Virtual Cluster (PVC) system
#
# Copyright (C) 2018-2021 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, version 3.
#
# 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 libvirt
def validate_libvirtd(logger, config):
if config["enable_hypervisor"]:
libvirt_check_name = f'qemu+tcp://{config["node_hostname"]}/system'
logger.out(f"Connecting to Libvirt daemon at {libvirt_check_name}", state="i")
try:
lv_conn = libvirt.open(libvirt_check_name)
lv_conn.close()
except Exception as e:
logger.out(f"Failed to connect to Libvirt daemon: {e}", state="e")
return False
return True