istio.io/archive/v1.11/docs/setup/install/operator/snips.sh

#!/bin/bash
# shellcheck disable=SC2034,SC2153,SC2155,SC2164

# Copyright Istio Authors. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#    http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

####################################################################################################
# WARNING: THIS IS AN AUTO-GENERATED FILE, DO NOT EDIT. PLEASE MODIFY THE ORIGINAL MARKDOWN FILE:
#          docs/setup/install/operator/index.md
####################################################################################################

snip_create_istio_operator() {
istioctl operator init
}

snip_prerequisites_2() {
istioctl operator init --watchedNamespaces=istio-namespace1,istio-namespace2
}

snip_prerequisites_3() {
helm install istio-operator manifests/charts/istio-operator \
  --set operatorNamespace=istio-operator \
  --set watchedNamespaces="istio-namespace1\,istio-namespace2"
}

snip_create_demo_profile() {
kubectl apply -f - <<EOF
apiVersion: install.istio.io/v1alpha1
kind: IstioOperator
metadata:
  namespace: istio-system
  name: example-istiocontrolplane
spec:
  profile: demo
EOF
}

! read -r -d '' snip_install_2 <<\ENDSNIP
apiVersion: install.istio.io/v1alpha1
kind: IstioOperator
...
spec:
  profile: demo
  values:
    global:
      istioNamespace: istio-namespace1
ENDSNIP

snip_kubectl_get_svc() {
kubectl get services -n istio-system
}

! read -r -d '' snip_kubectl_get_svc_out <<\ENDSNIP
NAME                   TYPE           CLUSTER-IP      EXTERNAL-IP      PORT(S)   AGE
istio-egressgateway    ClusterIP      10.96.65.145    <none>           ...       30s
istio-ingressgateway   LoadBalancer   10.96.189.244   192.168.11.156   ...       30s
istiod                 ClusterIP      10.96.189.20    <none>           ...       37s
ENDSNIP

snip_kubectl_get_pods() {
kubectl get pods -n istio-system
}

! read -r -d '' snip_kubectl_get_pods_out <<\ENDSNIP
NAME                                    READY   STATUS    RESTARTS   AGE
istio-egressgateway-696cccb5-m8ndk      1/1     Running   0          68s
istio-ingressgateway-86cb4b6795-9jlrk   1/1     Running   0          68s
istiod-b47586647-sf6sw                  1/1     Running   0          74s
ENDSNIP

snip_update_1() {
kubectl apply -f - <<EOF
apiVersion: install.istio.io/v1alpha1
kind: IstioOperator
metadata:
  namespace: istio-system
  name: example-istiocontrolplane
spec:
  profile: default
EOF
}

snip_update_operator() {
kubectl apply -f - <<EOF
apiVersion: install.istio.io/v1alpha1
kind: IstioOperator
metadata:
  namespace: istio-system
  name: example-istiocontrolplane
spec:
  profile: default
  components:
    pilot:
      k8s:
        resources:
          requests:
            memory: 3072Mi
    egressGateways:
    - name: istio-egressgateway
      enabled: true
EOF
}

snip_update_3() {
kubectl logs -f -n istio-operator "$(kubectl get pods -n istio-operator -lname=istio-operator -o jsonpath='{.items[0].metadata.name}')"
}

snip_inplace_upgrade_1() {
<extracted-dir>/bin/istioctl operator init
}

snip_inplace_upgrade_2() {
kubectl get pods --namespace istio-operator \
  -o=jsonpath='{range .items[*]}{.metadata.name}{":\t"}{range .spec.containers[*]}{.image}{", "}{end}{"\n"}{end}'
}

snip_inplace_upgrade_3() {
kubectl get pods --namespace istio-system \
  -o=jsonpath='{range .items[*]}{"\n"}{.metadata.name}{":\t"}{range .spec.containers[*]}{.image}{", "}{end}{"\n"}{end}'
}

snip_canary_upgrade_1() {
kubectl get iop --all-namespaces
}

! read -r -d '' snip_canary_upgrade_1_out <<\ENDSNIP
NAMESPACE      NAME                        REVISION   STATUS    AGE
istio-system   example-istiocontrolplane              HEALTHY   11m
ENDSNIP

snip_canary_upgrade_2() {
istio-1.8.1/bin/istioctl operator init --revision 1-8-1
}

snip_canary_upgrade_3() {
helm install istio-operator manifests/charts/istio-operator \
  --set operatorNamespace=istio-operator \
  --set watchedNamespaces=istio-system \
  --set revision=1-9-0
}

snip_canary_upgrade_4() {
cat example-istiocontrolplane-1-8-1.yaml
}

! read -r -d '' snip_canary_upgrade_4_out <<\ENDSNIP
apiVersion: install.istio.io/v1alpha1
kind: IstioOperator
metadata:
  namespace: istio-system
  name: example-istiocontrolplane-1-8-1
spec:
  revision: 1-8-1
  profile: demo
ENDSNIP

snip_canary_upgrade_5() {
kubectl get pod -n istio-system -l app=istiod
}

! read -r -d '' snip_canary_upgrade_5_out <<\ENDSNIP
NAME                            READY   STATUS    RESTARTS   AGE
istiod-1-8-1-597475f4f6-bgtcz   1/1     Running   0          64s
istiod-6ffcc65b96-bxzv5         1/1     Running   0          2m11s
ENDSNIP

snip_canary_upgrade_6() {
kubectl get services -n istio-system -l app=istiod
}

! read -r -d '' snip_canary_upgrade_6_out <<\ENDSNIP
NAME           TYPE        CLUSTER-IP       EXTERNAL-IP   PORT(S)                                         AGE
istiod         ClusterIP   10.104.129.150   <none>        15010/TCP,15012/TCP,443/TCP,15014/TCP,853/TCP   2m35s
istiod-1-8-1   ClusterIP   10.111.17.49     <none>        15010/TCP,15012/TCP,443/TCP,15014/TCP           88s
ENDSNIP

snip_cleanup() {
istioctl manifest generate | kubectl delete -f -
kubectl delete ns istio-system --grace-period=0 --force
}