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2.17. Metrics, logs, and traces

Once you have added your application to the mesh, you can observe the data flow through your application. If you do not have your own application installed, you can see how observability works in Red Hat OpenShift Service Mesh by installing the Bookinfo sample application.

2.17.1. Discovering console addresses
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Red Hat OpenShift Service Mesh provides the following consoles to view your service mesh data:

  • Kiali console - Kiali is the management console for Red Hat OpenShift Service Mesh.
  • Jaeger console - Jaeger is the management console for Red Hat OpenShift Distributed Tracing Platform.
  • Grafana console - Grafana provides mesh administrators with advanced query and metrics analysis and dashboards for Istio data. Optionally, Grafana can be used to analyze service mesh metrics.
  • Prometheus console - Red Hat OpenShift Service Mesh uses Prometheus to store telemetry information from services.

When you install the Service Mesh control plane, it automatically generates routes for each of the installed components. Once you have the route address, you can access the Kiali, Jaeger, Prometheus, or Grafana console to view and manage your service mesh data.

Prerequisite

  • The component must be enabled and installed. For example, if you did not install distributed tracing, you will not be able to access the Jaeger console.

Procedure from OpenShift console

  1. Log in to the OpenShift Container Platform web console as a user with cluster-admin rights. If you use Red Hat OpenShift Dedicated, you must have an account with the dedicated-admin role.
  2. Navigate to Networking Routes.

  3. On the Routes page, select the Service Mesh control plane project, for example istio-system, from the Namespace menu.

    The Location column displays the linked address for each route.

  4. If necessary, use the filter to find the component console whose route you want to access. Click the route Location to launch the console.
  5. Click Log In With OpenShift.

Procedure from the CLI

  1. Log in to the OpenShift Container Platform CLI as a user with the cluster-admin role. If you use Red Hat OpenShift Dedicated, you must have an account with the dedicated-admin role. 

    $ oc login --username=<NAMEOFUSER> https://<HOSTNAME>:6443

  2. Switch to the Service Mesh control plane project. In this example, istio-system is the Service Mesh control plane project. Run the following command: 

    $ oc project istio-system

  3. To get the routes for the various Red Hat OpenShift Service Mesh consoles, run the folowing command: 

    $ oc get routes

    This command returns the URLs for the Kiali, Jaeger, Prometheus, and Grafana web consoles, and any other routes in your service mesh. You should see output similar to the following: 

    NAME                    HOST/PORT                         SERVICES              PORT    TERMINATION
bookinfo-gateway        bookinfo-gateway-yourcompany.com  istio-ingressgateway          http2
grafana                 grafana-yourcompany.com           grafana               <all>   reencrypt/Redirect
istio-ingressgateway    istio-ingress-yourcompany.com     istio-ingressgateway  8080
jaeger                  jaeger-yourcompany.com            jaeger-query          <all>   reencrypt
kiali                   kiali-yourcompany.com             kiali                 20001   reencrypt/Redirect
prometheus              prometheus-yourcompany.com        prometheus            <all>   reencrypt/Redirect
  4. Copy the URL for the console you want to access from the HOST/PORT column into a browser to open the console.
  5. Click Log In With OpenShift.
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