def Wconfd(opts, args): # pylint: disable=W0613
"""Send commands to WConfD.
@param opts: the command line options selected by the user
@type args: list
@param args: the command to send, followed by the command-specific arguments
@rtype: int
@return: the desired exit code
"""
if args[0] == "echo":
if len(args) != 2:
ToStderr("Command 'echo' takes only precisely argument.")
return 1
result = wconfd.Client().Echo(args[1])
print "Answer: %s" % (result,)
elif args[0] == "listlocks":
if len(args) != 2:
ToStderr("Command 'listlocks' takes precisely one argument.")
return 1
wconfdcontext = (int(args[1]),
utils.livelock.GuessLockfileFor("masterd_1"))
result = wconfd.Client().ListLocks(wconfdcontext)
print "Answer: %s" % (result,)
elif args[0] == "listalllocks":
if len(args) != 1:
ToStderr("Command 'listalllocks' takes no arguments.")
return 1
result = wconfd.Client().ListAllLocks()
print "Answer: %s" % (result,)
elif args[0] == "listalllocksowners":
if len(args) != 1:
ToStderr("Command 'listalllocks' takes no arguments.")
return 1
result = wconfd.Client().ListAllLocksOwners()
print "Answer: %s" % (result,)
elif args[0] == "flushconfig":
if len(args) != 1:
ToStderr("Command 'flushconfig' takes no arguments.")
return 1
wconfd.Client().FlushConfig()
print "Configuration flushed."
else:
ToStderr("Command '%s' not supported", args[0])
return 1
return 0
def IsWconfdResponding():
"""Probes an echo RPC to WConfD.
"""
probe_string = "ganeti watcher probe %d" % time.time()
try:
result = wconfd.Client().Echo(probe_string)
except Exception, err: # pylint: disable=W0703
logging.warning("WConfd connection error: %s", err)
return False