fix(opentelemetry): enhance log transformation by adding log statements and updating exporters

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

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

@@ -66,12 +66,19 @@ spec:
           - action: insert
             key: kubernetes.node_name
             from_attribute: k8s.node.name
+      transform:
+        log_statements:
+          - context: log
+            statements:
+              - merge_maps(log.cache, ParseJSON(log.body), "upsert")
+              - set(log.cache["kubernetes"], resource.attributes["kubernetes"])
+              - set(log.body, log.cache)
       batch:
         send_batch_size: 5
         timeout: 10s  
     exporters:
-      loki:
-        endpoint: {{ .Values.logIngest.lokiEndpoint }}
+      otlphttp:
+        endpoint: {{ .Values.logIngest.lokiEndpoint }}/otlp
         tls:
           insecure: true
       debug:
@@ -80,6 +87,6 @@ spec:
       pipelines:
         logs:
           receivers: [filelog]
-          processors: [k8sattributes, attributes/k8s, batch]
-          exporters: [loki, debug]
+          processors: [k8sattributes, attributes/k8s, transform, batch]
+          exporters: [otlphttp, debug]
 {{- end }}