qom-set 1.5 KB

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  1. #!/usr/bin/python
  2. ##
  3. # QEMU Object Model test tools
  4. #
  5. # Copyright IBM, Corp. 2011
  6. #
  7. # Authors:
  8. # Anthony Liguori <aliguori@us.ibm.com>
  9. #
  10. # This work is licensed under the terms of the GNU GPL, version 2 or later. See
  11. # the COPYING file in the top-level directory.
  12. ##
  13. from __future__ import print_function
  14. import sys
  15. import os
  16. from qmp import QEMUMonitorProtocol
  17. cmd, args = sys.argv[0], sys.argv[1:]
  18. socket_path = None
  19. path = None
  20. prop = None
  21. value = None
  22. def usage():
  23. return '''environment variables:
  24. QMP_SOCKET=<path | addr:port>
  25. usage:
  26. %s [-h] [-s <QMP socket path | addr:port>] <path>.<property> <value>
  27. ''' % cmd
  28. def usage_error(error_msg = "unspecified error"):
  29. sys.stderr.write('%s\nERROR: %s\n' % (usage(), error_msg))
  30. exit(1)
  31. if len(args) > 0:
  32. if args[0] == "-h":
  33. print(usage())
  34. exit(0);
  35. elif args[0] == "-s":
  36. try:
  37. socket_path = args[1]
  38. except:
  39. usage_error("missing argument: QMP socket path or address");
  40. args = args[2:]
  41. if not socket_path:
  42. if 'QMP_SOCKET' in os.environ:
  43. socket_path = os.environ['QMP_SOCKET']
  44. else:
  45. usage_error("no QMP socket path or address given");
  46. if len(args) > 1:
  47. try:
  48. path, prop = args[0].rsplit('.', 1)
  49. except:
  50. usage_error("invalid format for path/property/value")
  51. value = args[1]
  52. else:
  53. usage_error("not enough arguments")
  54. srv = QEMUMonitorProtocol(socket_path)
  55. srv.connect()
  56. print(srv.command('qom-set', path=path, property=prop, value=value))