Add a command to gnt-debug to flush the configuration

This allows to enforce it during QA tests.
Signed-off-by: Petr Pudlak <pudlak@google.com>
Reviewed-by: Klaus Aehlig <aehlig@google.com>

lib/client/gnt_debug.py

@@ -658,6 +658,12 @@ def Wconfd(opts, args): # pylint: disable=W0613
       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

man/gnt-debug.rst

@@ -154,6 +154,11 @@ A request to list all locks in use, directly or indirectly, together
 with their respective direct owners is sent to WConfd and the answer
 is displayed.
 
+| **wconfd** flushconfig
+
+A request to ensure that the configuration is fully distributed to the
+master candidates.
+
 .. vim: set textwidth=72 :
 .. Local Variables:
 .. mode: rst