core-admin-client/qubesmgmt/tools/qvm_check.py

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2017-04-21 03:18:07 +02:00
# pylint: disable=too-few-public-methods
#
# The Qubes OS Project, http://www.qubes-os.org
#
# Copyright (C) 2016 Bahtiar `kalkin-` Gadimov <bahtiar@gadimov.de>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU Lesser General Public License as published by
# the Free Software Foundation; either version 2.1 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 Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser 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.
#
''' Exits sucessfull if the provided domains exists, else returns failure '''
from __future__ import print_function
import sys
import qubesmgmt.tools
import qubesmgmt.vm
parser = qubesmgmt.tools.QubesArgumentParser(description=__doc__,
vmname_nargs='+')
parser.add_argument("--running", action="store_true", dest="running",
default=False, help="Determine if (any of given) VM is running")
parser.add_argument("--paused", action="store_true", dest="paused",
default=False, help="Determine if (any of given) VM is paused")
parser.add_argument("--template", action="store_true", dest="template",
default=False, help="Determine if (any of given) VM is a template")
def print_msg(domains, what_single, what_plural):
'''Print message in appropriate form about given domain(s)'''
# pylint: disable=len-as-condition
if len(domains) == 0:
print("None of given VM {!s}".format(what_single))
elif len(domains) == 1:
print("VM {!s} {!s}".format(domains[0], what_single))
else:
txt = ", ".join([vm.name for vm in sorted(domains)])
print("VMs {!s} {!s}".format(txt, what_plural))
def main(args=None, app=None):
'''Main function of qvm-check tool'''
args = parser.parse_args(args, app=app)
domains = args.domains
if args.running:
running = [vm for vm in domains if vm.is_running()]
if args.verbose:
print_msg(running, "is running", "are running")
return 0 if running else 1
elif args.paused:
paused = [vm for vm in domains if vm.is_paused()]
if args.verbose:
print_msg(paused, "is paused", "are paused")
return 0 if paused else 1
elif args.template:
template = [vm for vm in domains if isinstance(vm,
qubesmgmt.vm.TemplateVM)]
if args.verbose:
print_msg(template, "is a template", "are templates")
return 0 if template else 1
else:
if args.verbose:
print_msg(domains, "exists", "exist")
return 0 if domains else 1
if __name__ == '__main__':
sys.exit(main())