qom-get 1.6 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. def usage():
  22. return '''environment variables:
  23. QMP_SOCKET=<path | addr:port>
  24. usage:
  25. %s [-h] [-s <QMP socket path | addr:port>] <path>.<property>
  26. ''' % cmd
  27. def usage_error(error_msg = "unspecified error"):
  28. sys.stderr.write('%s\nERROR: %s\n' % (usage(), error_msg))
  29. exit(1)
  30. if len(args) > 0:
  31. if args[0] == "-h":
  32. print(usage())
  33. exit(0);
  34. elif args[0] == "-s":
  35. try:
  36. socket_path = args[1]
  37. except:
  38. usage_error("missing argument: QMP socket path or address");
  39. args = args[2:]
  40. if not socket_path:
  41. if 'QMP_SOCKET' in os.environ:
  42. socket_path = os.environ['QMP_SOCKET']
  43. else:
  44. usage_error("no QMP socket path or address given");
  45. if len(args) > 0:
  46. try:
  47. path, prop = args[0].rsplit('.', 1)
  48. except:
  49. usage_error("invalid format for path/property/value")
  50. else:
  51. usage_error("not enough arguments")
  52. srv = QEMUMonitorProtocol(socket_path)
  53. srv.connect()
  54. rsp = srv.command('qom-get', path=path, property=prop)
  55. if type(rsp) == dict:
  56. for i in rsp.keys():
  57. print('%s: %s' % (i, rsp[i]))
  58. else:
  59. print(rsp)