Verify if key exists before reading

2021-06-13 15:39:43 -04:00 · 2021-06-13 15:39:43 -04:00 · 3bad3de720
parent d2f93b3a2e
commit 3bad3de720
1 changed files with 7 additions and 2 deletions
--- a/daemon-common/zkhandler.py
+++ b/daemon-common/zkhandler.py
@ -208,8 +208,13 @@ class ZKHandler(object):
        """
        Read data from a key
        """
-        path = self.get_schema_path(key)
-        return self.zk_conn.get(path)[0].decode(self.encoding)
+        if self.exists(key):
+            path = self.get_schema_path(key)
+            data = self.zk_conn.get(path)[0].decode(self.encoding)
+        else:
+            data = None
+
+        return data

    def write(self, kvpairs):
        """