Add auth section for each external services

content/en/docs/Configuration/p8s-jaeger-grafana/grafana.md

@@ -51,3 +51,22 @@ spec:
 The described configuration is done in the Kiali CR when Kiali is installed using the Kiali Operator. If Kiali is installed with the Helm chart then the correct way to configure this is via regular --set flags.
 {{% /alert %}}
 
+### Grafana authentication configuration
+
+The Kiali CR provides authentication configuration that will be used also for querying the version check to provide information in the Mesh graph. 
+
+```yaml
+spec:
+  external_services:
+    grafana:
+      enabled: true
+      auth:
+        ca_file: ""
+        insecure_skip_verify: false
+        password: "pwd"
+        token: ""
+        type: "basic"
+        use_kiali_token: false
+        username: "user"
+      health_check_url: ""
+```

content/en/docs/Configuration/p8s-jaeger-grafana/prometheus.md

@@ -169,4 +169,22 @@ The recommendation for Kiali is to set the shortest retention time that meets yo
 
 For more information, see the [Prometheus documentation](https://prometheus.io/docs/prometheus/latest/storage/#operational-aspects).
 
+### Prometheus authentication configuration
 
+The Kiali CR provides authentication configuration that will be used also for querying the version check to provide information in the Mesh graph.
+
+```yaml
+spec:
+  external_services:
+    prometheus:
+      enabled: true
+      auth:
+        ca_file: ""
+        insecure_skip_verify: false
+        password: "pwd"
+        token: ""
+        type: "basic"
+        use_kiali_token: false
+        username: "user"
+      health_check_url: ""
+```

content/en/docs/Configuration/p8s-jaeger-grafana/tracing/jaeger.md

@@ -52,3 +52,22 @@ If your Jaeger setup differs significantly from the sample add-ons, make sure
 that Istio is also properly configured to push traces to the right URL.
 {{% /alert %}}
 
+### Jaeger authentication configuration
+
+The Kiali CR provides authentication configuration that will be used also for querying the version check to provide information in the Mesh graph.
+
+```yaml
+spec:
+  external_services:
+    tracing:
+      enabled: true
+      auth:
+        ca_file: ""
+        insecure_skip_verify: false
+        password: "pwd"
+        token: ""
+        type: "basic"
+        use_kiali_token: false
+        username: "user"
+      health_check_url: ""
+```

content/en/docs/Configuration/p8s-jaeger-grafana/tracing/tempo.md

@@ -231,4 +231,24 @@ In `external_services.tracing`
 |        | <div style="width:470px">http<hr></div>                                                                     | <div style="width:470px">grpc  <hr></div>                                                                                                                        |
 |--------|-------------------------------------------------------------------------------------------------------------|------------------------------------------------------------------------------------------------------------------------------------------------------------------|
 | Jaeger | `.in_cluster_url = 'http://jaeger_service_url:16686/jaeger'`<br/> `.use_grpc = false` <hr>                  | `.in_cluster_url = 'http://jaeger_service_url:16685/jaeger'` <br>`.use_grpc = true (Not required: by default)`<br><hr>                                           | 
-| Tempo  | <br/>`in_cluster_url = 'http://query_frontend_url:3200'`<br/> `.use_grpc = false`<br/> `.provider = 'tempo'`<br/><hr> | `.in_cluster_url = 'http://query_frontend_url:3200'`<br/> `.grpc_port: 9095` <br/>`.provider: 'tempo'`<br/>`.use_grpc = true (Not required: by default)`<hr> |
+| Tempo  | <br/>`in_cluster_url = 'http://query_frontend_url:3200'`<br/> `.use_grpc = false`<br/> `.provider = 'tempo'`<br/><hr> | `.in_cluster_url = 'http://query_frontend_url:3200'`<br/> `.grpc_port: 9095` <br/>`.provider: 'tempo'`<br/>`.use_grpc = true (Not required: by default)`<hr> |
+
+### Tempo authentication configuration
+
+The Kiali CR provides authentication configuration that will be used also for querying the version check to provide information in the Mesh graph.
+
+```yaml
+spec:
+  external_services:
+    tracing:
+      enabled: true
+      auth:
+        ca_file: ""
+        insecure_skip_verify: false
+        password: "pwd"
+        token: ""
+        type: "basic"
+        use_kiali_token: false
+        username: "user"
+      health_check_url: ""
+```