qemu/scripts/qmp/qom-set

67 lines
1.6 KiB
Plaintext
Raw Normal View History

#!/usr/bin/env python3
##
# QEMU Object Model test tools
#
# Copyright IBM, Corp. 2011
#
# Authors:
# Anthony Liguori <aliguori@us.ibm.com>
#
# This work is licensed under the terms of the GNU GPL, version 2 or later. See
# the COPYING file in the top-level directory.
##
import sys
import os
sys.path.append(os.path.join(os.path.dirname(__file__), '..', '..', 'python'))
from qemu.qmp import QEMUMonitorProtocol
cmd, args = sys.argv[0], sys.argv[1:]
socket_path = None
path = None
prop = None
value = None
def usage():
return '''environment variables:
QMP_SOCKET=<path | addr:port>
usage:
%s [-h] [-s <QMP socket path | addr:port>] <path>.<property> <value>
''' % cmd
def usage_error(error_msg = "unspecified error"):
sys.stderr.write('%s\nERROR: %s\n' % (usage(), error_msg))
exit(1)
if len(args) > 0:
if args[0] == "-h":
print(usage())
exit(0);
elif args[0] == "-s":
try:
socket_path = args[1]
except:
usage_error("missing argument: QMP socket path or address");
args = args[2:]
if not socket_path:
if 'QMP_SOCKET' in os.environ:
socket_path = os.environ['QMP_SOCKET']
else:
usage_error("no QMP socket path or address given");
if len(args) > 1:
try:
path, prop = args[0].rsplit('.', 1)
except:
usage_error("invalid format for path/property/value")
value = args[1]
else:
usage_error("not enough arguments")
srv = QEMUMonitorProtocol(socket_path)
srv.connect()
print(srv.command('qom-set', path=path, property=prop, value=value))