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  • Committer: Teddy Hogeborn
  • Date: 2019-03-16 00:23:20 UTC
  • mto: This revision was merged to the branch mainline in revision 382.
  • Revision ID: teddy@recompile.se-20190316002320-ajpmbdl4jup156en
mandos-ctl: Refactor

* mandos-ctl (get_mandos_dbus_object, get_managed_objects): Factor out
                                             D-Bus exception catching.
                       
  (if_dbus_exception_log_with_exception_and_exit): New.

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Lines of Context:
mandos-ctl
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def get_mandos_dbus_object(bus):
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    try:
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        log.debug("D-Bus: Connect to: (busname=%r, path=%r)",
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                  dbus_busname, server_dbus_path)
 
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    log.debug("D-Bus: Connect to: (busname=%r, path=%r)",
 
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              dbus_busname, server_dbus_path)
 
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    with if_dbus_exception_log_with_exception_and_exit(
 
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            "Could not connect to Mandos server: %s"):
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        mandos_dbus_object = bus.get_object(dbus_busname,
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                                            server_dbus_path)
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    except dbus.exceptions.DBusException:
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        log.critical("Could not connect to Mandos server")
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        sys.exit(1)
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    return mandos_dbus_object
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@contextlib.contextmanager
 
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def if_dbus_exception_log_with_exception_and_exit(*args, **kwargs):
 
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    try:
 
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        yield
 
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    except dbus.exceptions.DBusException as e:
 
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        log.critical(*(args + (e,)), **kwargs)
 
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        sys.exit(1)
 
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def get_managed_objects(object_manager):
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    log.debug("D-Bus: %s:%s:%s.GetManagedObjects()", dbus_busname,
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              server_dbus_path, dbus.OBJECT_MANAGER_IFACE)
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    try:
 
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    with if_dbus_exception_log_with_exception_and_exit(
 
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            "Failed to access Mandos server through D-Bus:\n%s"):
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        with SilenceLogger("dbus.proxies"):
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            managed_objects = object_manager.GetManagedObjects()
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    except dbus.exceptions.DBusException as e:
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        log.critical("Failed to access Mandos server through D-Bus:"
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                     "\n%s", e)
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        sys.exit(1)
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    return managed_objects
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