Add log for API is ready

(cherry picked from commit 84c5887)

Author: deliahu

pkg/workloads/cortex/onnx_serve/api.py

@@ -299,6 +299,7 @@ def start(args):
         except Exception as e:
             cx_logger().warn("an error occurred while attempting to load classes", exc_info=True)
 
+    cx_logger().info("API is ready")
     serve(app, listen="*:{}".format(args.port))
 
 

pkg/workloads/cortex/predictor_serve/api.py

@@ -143,6 +143,7 @@ def start(args):
         except Exception as e:
             cx_logger().warn("an error occurred while attempting to load classes", exc_info=True)
 
+    cx_logger().info("API is ready")
     serve(app, listen="*:{}".format(args.port))
 
 

pkg/workloads/cortex/tf_api/api.py

@@ -441,6 +441,8 @@ def start(args):
     local_cache["signature_key"] = signature_key
     local_cache["parsed_signature"] = parsed_signature
     cx_logger().info("model_signature: {}".format(local_cache["parsed_signature"]))
+
+    cx_logger().info("API is ready")
     serve(app, listen="*:{}".format(args.port))