node list: add the offline field

Reviewed-by: ultrotter

lib/cmdlib.py

@@ -1661,6 +1661,7 @@ class LUQueryNodes(NoHooksLU):
     "serial_no",
     "master_candidate",
     "master",
+    "offline",
     )
 
   def ExpandNames(self):
@@ -1780,6 +1781,8 @@ class LUQueryNodes(NoHooksLU):
           val = node.master_candidate
         elif field == "master":
           val = node.name == master_node
+        elif field == "offline":
+          val = node.offline
         elif self._FIELDS_DYNAMIC.Matches(field):
           val = live_data[node.name].get(field, None)
         else:

scripts/gnt-node

@@ -54,6 +54,7 @@ _LIST_HEADERS = {
   "serial_no": "SerialNo",
   "master_candidate": "MasterC",
   "master": "IsMaster",
+  "offline": "Offline",
   }
 
 
@@ -138,7 +139,7 @@ def ListNodes(opts, args):
       val = row[idx]
       if field in list_type_fields:
         val = ",".join(val)
-      elif field in ('master', 'master_candidate'):
+      elif field in ('master', 'master_candidate', 'offline'):
         if val:
           val = 'Y'
         else: