Istio

Installation

Download Istio release:

$ curl -L https://istio.io/downloadIstio | ISTIO_VERSION=1.11.4 sh -

Add istioctl binary to the system path:

$ mv ./istio-1.11.4/bin/istioctl /usr/local/bin/

Deploy Istio control plane:

$ istioctl install \
    -f $HOME/Workspace/orca/orca/helm/examples/integrations/istio/values.yaml \
    --set "components.pilot.k8s.nodeSelector.role=exp-control" \
    --set "components.ingressGateways[0].k8s.nodeSelector.role=exp-control"

Wait until Istio pods are up and running:

$ kubectl -n istio-system get pods

Deploy Kiali

Deploy Kiali dashboard:

$ kubectl -n istio-system apply -f ./istio-1.11.4/samples/addons/kiali.yaml

Edit Prometheus address in Kiali config:

$ kubectl -n istio-system edit cm kiali

  config.yaml: |
    ...
    external_services:
      custom_dashboards:
        enabled: true
      prometheus:
        url: http://prometheus-operated.monitoring:9090

Restart Kiali pod:

$ kubectl -n istio-system delete pod $(kubectl -n istio-system get pods |grep kiali |awk '{print $1}')

Setup Grafana

Setup Grafana dashboards for Istio:

• Istio Control Plane Dashboard

    https://grafana.com/api/dashboards/7645/revisions/45/download
  

• Istio Mesh Dashboard

    https://grafana.com/api/dashboards/7639/revisions/45/download
  

• Istio Service Dashboard

    https://grafana.com/api/dashboards/7636/revisions/45/download
  

Cleanup

Delete Istio deployment:

$ istioctl x uninstall --purge

Delete Istio namespace:

$ kubectl delete ns istio-system

Helm-based installation (deprecated)

Add Istio repository:

$ git clone https://github.com/istio/istio.git
$ git checkout -b v1.4.5 tags/1.4.5

Install Istio CRDs:

$ helm install install/kubernetes/helm/istio-init \
    --name istio-init \
    --namespace istio-system

Wait until CRDs are installed:

$ kubectl -n istio-system wait --for=condition=complete job --all

Install Istio:

$ helm install install/kubernetes/helm/istio \
    --name istio \
    --namespace istio-system \
    --values install/kubernetes/helm/istio/values-istio-demo.yaml