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  1. OpenShift Logging
  2. LOG-5901

[release-6.0] The value of field `service_name` is always `unknown_service` when forwarding to grafana OpenTelemetry.

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    • NEW
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    • Release Note Not Required
    • Log Collection - Sprint 257, Log Storage - Sprint 261, Log Storage - Sprint 262
    • Important

      Description of problem:

      Forward logs to grafana OpenTelemetry with below yaml:

      apiVersion: observability.openshift.io/v1
kind: ClusterLogForwarder
metadata:
  annotations:
    observability.openshift.io/tech-preview-otlp-output: "enabled"
  name: grafana-otlp
spec:
  outputs:
  - name: otlp
    type: otlp
    otlp:
      authentication:
        password:
          key: password
          secretName: loki-auth
        username:
          key: username
          secretName: loki-auth
      url: https://otlp-gateway-prod-us-central-0.grafana.net/otlp/v1/logs
  pipelines:
  - inputRefs:
    - application
    - infrastructure
    - audit
    name: audit-logs
    outputRefs:
    - otlp
  serviceAccount:
    name: logging-otlp

      then check logs in grafana console, the value of field `service_name` is always `unknown_service`.

      Version-Release number of selected component (if applicable):

      cluster-logging.v6.0.0 

      How reproducible:

      Always

      Steps to Reproduce:

      Actual results:

      Expected results:

      We should set correct value for the field `service_name`

      Additional info:

        1. Screenshot 2024-07-25 at 15.00.55.png
          Screenshot 2024-07-25 at 15.00.55.png
          174 kB

              rojacob@redhat.com Robert Jacob
              qitang@redhat.com Qiaoling Tang
              Qiaoling Tang Qiaoling Tang
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                Created:
                Updated: