update istio-on-nonflat-network doc
Signed-off-by: hejianpeng <hejianpeng2@huawei.com>
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hejianpeng
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@ -25,6 +25,10 @@ in Quick Start, you can get a Karmada.
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## Deploy Istio
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***
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If you are testing multicluster setup on `kind` you can use [MetalLB](https://metallb.universe.tf/installation/) to make use of `EXTERNAL-IP` for `LoadBalancer` services.
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***
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### Install istioctl
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Please refer to the [istioctl](https://istio.io/latest/docs/setup/getting-started/#download) Installation.
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@ -94,74 +98,71 @@ spec:
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EOF
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```
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Override namespace `istio-system` label on `member1`:
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```bash
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cat <<EOF | kubectl apply -f -
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apiVersion: policy.karmada.io/v1alpha1
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kind: ClusterOverridePolicy
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metadata:
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name: istio-system-member1
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spec:
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resourceSelectors:
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- apiVersion: v1
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kind: Namespace
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name: istio-system
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overrideRules:
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- targetCluster:
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clusterNames:
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- member1
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overriders:
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plaintext:
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- path: "/metadata/labels"
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operator: add
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value:
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topology.istio.io/network: network1
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EOF
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```
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Override namespace `istio-system` label on `member2`:
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```bash
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cat <<EOF | kubectl apply -f -
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apiVersion: policy.karmada.io/v1alpha1
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kind: ClusterOverridePolicy
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metadata:
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name: istio-system-member2
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spec:
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resourceSelectors:
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- apiVersion: v1
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kind: Namespace
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name: istio-system
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overrideRules:
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- targetCluster:
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clusterNames:
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- member2
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overriders:
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plaintext:
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- path: "/metadata/labels"
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operator: add
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value:
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topology.istio.io/network: network2
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EOF
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```
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Run the following command to install istio CRDs on karmada apiserver:
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```bash
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istioctl install
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```
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Karmada apiserver will not deploy a real istiod pod, you should press `ctrl+c` to exit installation
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when `Processing resources for Istiod`.
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```bash
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✔ Istio core installed
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- Processing resources for Istiod.
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istioctl manifest generate --set profile=external \
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--set values.global.configCluster=true \
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--set values.global.externalIstiod=false \
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--set values.global.defaultPodDisruptionBudget.enabled=false \
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--set values.telemetry.enabled=false | kubectl apply -f -
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```
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### Install Istiod on member1
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1. Disable Karmada's auto-sync feature when labeling a namespace, because I need to label the same namespace `istio-system`
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in the different clusters differently.
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Export `KUBECONFIG` and switch to `karmada host`:
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```bash
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export KUBECONFIG=$HOME/.kube/karmada.config
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kubectl config use-context karmada-host
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```
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Edit `karmada-controller-manager`deployment
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```bash
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kubectl edit deployment karmada-controller-manager -n karmada-system
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```
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add `--controllers=-namespace,*` in start command
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2. Set the network of member1 and member2
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switch to `karmada api-server` and list work about namespace `istio-system`:
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```bash
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kubectl config use-context karmada-apiserver
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kubectl get work -A | grep istio-system-
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```
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the output will looks like as following:
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```bash
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[root@vm1-su-001 istio-1.12.6]# kubectl get work -A | grep istio-system-
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karmada-es-member1 istio-system-f854dc5d9 true 21m
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karmada-es-member2 istio-system-f854dc5d9 true 21m
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```
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label namespace `istio-system` on `member1` by using the output above
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```bash
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kubectl edit work istio-system-f854dc5d9 -n karmada-es-member1
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```
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add `topology.istio.io/network: network1` in `.spec.workload.manifests.metadata.labels`
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label namespace `istio-system` on `member2` by using the output above
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```bash
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kubectl edit work istio-system-f854dc5d9 -n karmada-es-member2
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```
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add `topology.istio.io/network: network2` in `.spec.workload.manifests.metadata.labels`
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3. Install istio control plane
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1. Install istio control plane
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Export `KUBECONFIG` and switch to `member1`:
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@ -186,13 +187,13 @@ spec:
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EOF
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```
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4. Install the east-west gateway in `member1`
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2. Install the east-west gateway in `member1`
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```bash
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samples/multicluster/gen-eastwest-gateway.sh --mesh mesh1 --cluster member1 --network network1 | istioctl install -y -f -
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```
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5. Expose the control plane and service in `member1`
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3. Expose the control plane and service in `member1`
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```bash
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kubectl apply -f samples/multicluster/expose-istiod.yaml -n istio-system
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@ -264,31 +265,6 @@ EOF
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samples/multicluster/gen-eastwest-gateway.sh --mesh mesh1 --cluster member2 --network network2 | istioctl install -y -f -
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```
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4. Expose service in `member2`
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```bash
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kubectl apply -f samples/multicluster/expose-services.yaml -n istio-system
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```
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### Deploy bookinfo application
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1. Enable Karmada's auto-sync feature
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Export `KUBECONFIG` and switch to `karmada host`:
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```bash
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export KUBECONFIG=$HOME/.kube/karmada.config
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kubectl config use-context karmada-host
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```
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Edit `karmada-controller-manager`deployment
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```bash
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kubectl edit deployment karmada-controller-manager -n karmada-system
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```
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delete `--controllers=-namespace,*` in start command
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2. Deploy bookinfo application
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See module `Deploy bookinfo application` in https://github.com/karmada-io/karmada/blob/master/docs/istio-on-karmada.md
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See module [Deploy bookinfo application](./working-with-istio-on-flat-network.md#deploy-bookinfo-application.md)
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