First we need to configure Istio to automatically gather telemetry data for services running in the mesh.
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Create a rule to collect telemetry data.
istioctl create -f guestbook/guestbook-telemetry.yaml
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Generate a small load to the application.
while sleep 0.5; do curl http://$INGRESS_IP/hello/world; done
Establish port forwarding from local port 3000 to the Grafana instance:
kubectl -n istio-system port-forward $(kubectl -n istio-system get pod -l app=grafana \
-o jsonpath='{.items[0].metadata.name}') 3000:3000Browse to http://localhost:3000 and navigate to the Istio Dashboard.
Establish port forwarding from local port 16686 to the Jaeger instance:
kubectl port-forward -n istio-system \
$(kubectl get pod -n istio-system -l app=jaeger -o \
jsonpath='{.items[0].metadata.name}') 16686:16686 &Browse to http://localhost:9411.
Establish port forwarding from local port 9090 to the Prometheus instance:
kubectl -n istio-system port-forward \
$(kubectl -n istio-system get pod -l app=prometheus -o jsonpath='{.items[0].metadata.name}') \
9090:9090Browse to http://localhost:9090/graph, and in the “Expression” input box, enter: request_count. Click Execute.
Establish port forwarding from local port 8088 to the Service Graph instance:
kubectl -n istio-system port-forward \
$(kubectl -n istio-system get pod -l app=servicegraph -o jsonpath='{.items[0].metadata.name}') \
8088:8088Browse to http://localhost:8088/dotviz.
kubectl -n istio-system logs $(kubectl -n istio-system get pods -l istio=mixer -o jsonpath='{.items[0].metadata.name}') mixer | grep \"instance\":\"newlog.logentry.istio-system\"