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Type: Task
Resolution: Done
Priority: Undefined
Fix Version/s: None
Affects Version/s: OSSM 2.5.0
Component/s: Documentation, Kiali
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To configure the Kiali and Tempo configuration:

https://docs.openshift.com/container-platform/4.13/service_mesh/v2x/ossm-observability.html#ossm-configuring-distr-tracing-tempo_observability

The following section:

2. Configure the Kiali resource specification to enable a Kiali workload traces dashboard. You can use the dashboard to view tracing query results.

Is missing the use_grpc or the port should be 16685.
This is an example of a valid configuration for grpc (use_grpc is true by default):

 spec:
  external_services:
    tracing:
      query_timeout: 30
      enabled: true
      in_cluster_url: 'http://tempo-sample-query-frontend.tracing-system.svc.cluster.local:16685'
      url: '[Tempo query frontend Route url]'

This is an example of a valid configuration for grpc (use_grpc is true by default):

 spec:
  external_services:
    tracing:
      query_timeout: 30
      enabled: true
      in_cluster_url: 'http://tempo-sample-query-frontend.tracing-system.svc.cluster.local:16686'
      url: '[Tempo query frontend Route url]'
      use_grpc: false