[skip ci] Add default scale release prefix (#9683)

Signed-off-by: NThreadDao <yufen.zong@zilliz.com>

tests/python_client/scale/constants.py

@@ -12,3 +12,6 @@ QUERY_NODE = "queryNode"  # key queryNode
 # my values.yaml path
 MILVUS_CHART_ENV = 'MILVUS_CHART_ENV'  # env of milvus chart path
 MILVUS_LOGS_PATH = '/tmp/milvus'  # path of milvus pod logs
+
+# default scale config
+DEFAULT_RELEASE_PREFIX = "scale"

tests/python_client/scale/helm_env.py

@@ -10,7 +10,7 @@ class HelmEnv:
     milvus_chart_path = sc.get_milvus_chart_env_var()
 
     def __init__(self, release_name=None, **kwargs):
-        self.release_name = release_name if release_name else cf.gen_unique_str("scale")
+        self.release_name = release_name if release_name else cf.gen_unique_str(constants.DEFAULT_RELEASE_PREFIX)
         self.proxy = kwargs.get(constants.PROXY, 1)
         self.data_node = kwargs.get(constants.DATA_NODE, 1)
         self.index_node = kwargs.get(constants.INDEX_NODE, 1)