refactor(opentelemetry): reorganize log transformation logic for clarity and consistency

Signed-off-by: zhenyus <zhenyus@mathmast.com>

freeleaps/helm-pkg/authentication/templates/authentication/opentelemetry.yaml

@@ -66,17 +66,13 @@ spec:
           # - action: insert
           #   key: kubernetes.node_name
           #   from_attribute: k8s.node.name
-          - action: insert
-            key: app
-            from_attribute: context.app
-          - action: insert
-            key: environment
-            from_attribute: context.env
-      # transform:
-      #   log_statements:
-      #     - context: log
-      #       statements:
-      #         - set(log.body["kubernetes"], log.attributes["kubernetes"])
+      transform:
+        log_statements:
+          - context: log
+            statements:
+              - set(log.body["kubernetes"], log.attributes["kubernetes"])
+              - set(log.attributes["app"], log.attributes["context"].app)
+              - set(log.attributes["environment"], log.attributes["context"].env)
       batch:
         send_batch_size: 5
         timeout: 10s