Add support for recursive znode deletion

clustering/znode.py

@@ -50,6 +50,12 @@ options:
             - The amount of time to wait for a node to appear.
         default: 300
         required: false
+    recursive:
+        description:
+            - Recursively delete node and all its children.
+        default: False
+        required: false
+        version_added: "2.1"
 requirements:
     - kazoo >= 2.1
     - python >= 2.6
@@ -90,7 +96,8 @@ def main():
             value=dict(required=False, default=None, type='str'),
             op=dict(required=False, default=None, choices=['get', 'wait', 'list']),
             state=dict(choices=['present', 'absent']),
-            timeout=dict(required=False, default=300, type='int')
+            timeout=dict(required=False, default=300, type='int'),
+            recursive=dict(required=False, default=False, type='bool')
         ),
         supports_check_mode=False
     )
@@ -175,7 +182,7 @@ class KazooCommandProxy():
 
     def _absent(self, znode):
         if self.exists(znode):
-            self.zk.delete(znode)
+            self.zk.delete(znode, recursive=self.module.params['recursive'])
             return True, {'changed': True, 'msg': 'The znode was deleted.'}
         else:
             return True, {'changed': False, 'msg': 'The znode does not exist.'}