[doc] some text changes to make desc more clear
Signed-off-by: windsonsea <haifeng.yao@daocloud.io>
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## Purpose
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For a member cluster that joins Karmada in pull mode, we need to provide a method to connect the network between the Karmada control plane and the member cluster, so that karmada-aggregated-apiserver can access this member cluster.
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For a member cluster that joins Karmada in the pull mode, you need to provide a method to connect the network between the Karmada control plane and the member cluster, so that karmada-aggregated-apiserver can access this member cluster.
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Deploying ANP to achieve appeal is one of the methods. This article describes how to deploy ANP in Karmada.
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## Environment
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Karmada deployed using the kind tool.
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Karmada can be deployed using the kind tool.
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We can directly `hack/local-up-karmada.sh` to deploy Karmada.
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You can directly use `hack/local-up-karmada.sh` to deploy Karmada.
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## Actions
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### Step 1: Download code
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To facilitate demonstration, the code is modified based on ANP v0.0.24 to support access to the front server through HTTP. Here is the code base address: https://github.com/mrlihanbo/apiserver-network-proxy/tree/v0.0.24/dev.
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To facilitate demonstration, the code is modified based on ANP v0.0.24 to support access to the front server through HTTP. Here is the code repository address: https://github.com/mrlihanbo/apiserver-network-proxy/tree/v0.0.24/dev.
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```shell
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git clone -b v0.0.24/dev https://github.com/mrlihanbo/apiserver-network-proxy.git
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@ -33,7 +33,7 @@ docker build . --build-arg ARCH=amd64 -f artifacts/images/agent-build.Dockerfile
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docker build . --build-arg ARCH=amd64 -f artifacts/images/server-build.Dockerfile -t swr.ap-southeast-1.myhuaweicloud.com/karmada/proxy-server:0.0.24
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```
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### Step 3: Generate certificate
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### Step 3: Generate a certificate
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Run the command to check the IP address of karmada-host-control-plane:
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@ -41,17 +41,17 @@ Run the command to check the IP address of karmada-host-control-plane:
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docker inspect --format='{{range .NetworkSettings.Networks}}{{.IPAddress}}{{end}}' karmada-host-control-plane
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```
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Run the make certs command to generate a certificate and specify PROXY_SERVER_IP as the IP address obtained in the preceding command.
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Run the `make certs` command to generate a certificate and specify PROXY_SERVER_IP as the IP address obtained in the preceding command.
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```shell
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make certs PROXY_SERVER_IP=x.x.x.x
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```
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The generated certificate is in the `certs` folder.
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The certificate is generated in the `certs` folder.
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### Step 4: Deploy proxy-server
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Save the `proxy-server.yaml` file in the root directory of the ANP code.
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Save the `proxy-server.yaml` file in the root directory of the ANP code repository.
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<details>
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<summary>unfold me to see the yaml</summary>
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@ -133,7 +133,7 @@ data:
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</details>
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Save the `replace-proxy-server.sh` file in the root directory of the ANP code.
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Save the `replace-proxy-server.sh` file in the root directory of the ANP code repository.
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<details>
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<summary>unfold me to see the shell</summary>
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@ -165,14 +165,14 @@ sed -i'' -e "s/{{cluster_key}}/${CLUSTER_KEY}/g" ${cert_yaml}
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</details>
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Run the following command to run the script:
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Run the following commands to run the script:
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```shell
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chmod +x replace-proxy-server.sh
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bash replace-proxy-server.sh
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```
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Deploying the proxy-server on the Karmada control plane:
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Deploy the proxy-server on the Karmada control plane:
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```shell
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kind load docker-image swr.ap-southeast-1.myhuaweicloud.com/karmada/proxy-server:0.0.24 --name karmada-host
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@ -182,7 +182,7 @@ kubectl --context=karmada-host apply -f proxy-server.yaml
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### Step 5: Deploy proxy-agent
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Save the `proxy-agent.yaml` file in the root directory of the ANP code.
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Save the `proxy-agent.yaml` file in the root directory of the ANP code repository.
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<details>
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<summary>unfold me to see the yaml</summary>
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@ -252,7 +252,7 @@ data:
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</details>
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Save the `replace-proxy-agent.sh` file in the root directory of the ANP code.
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Save the `replace-proxy-agent.sh` file in the root directory of the ANP code repository.
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<details>
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<summary>unfold me to see the shell</summary>
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@ -279,29 +279,32 @@ sed -i'' -e "s/{{proxy_agent_key}}/${PROXY_AGENT_KEY}/g" ${cert_yaml}
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</details>
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Run the following command to run the script:
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Run the following commands to run the script:
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```shell
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chmod +x replace-proxy-agent.sh
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bash replace-proxy-agent.sh
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```
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Deploying the proxy-agent in the pull mode member cluster (in this example, cluster member3 cluster is in pull mode.):
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Deploy the proxy-agent in the pull mode for a member cluster (in this example, the `member3` cluster is in the pull mode.):
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```shell
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kind load docker-image swr.ap-southeast-1.myhuaweicloud.com/karmada/proxy-agent:0.0.24 --name member3
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kubectl --kubeconfig=/root/.kube/members.config --context=member3 apply -f proxy-agent.yaml
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```
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**The ANP deployment is complete.**
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### Step 6: Add command flags for karmada-agent deployment
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**The ANP deployment is complete now.**
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After deploying the ANP deployment, we need to add extra command flags `--cluster-api-endpoint` and `--proxy-server-address` for `karmada-agent` deployment in `member3` cluster.
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### Step 6: Add command flags for the karmada-agent deployment
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After deploying the ANP deployment, you need to add extra command flags `--cluster-api-endpoint` and `--proxy-server-address` for the `karmada-agent` deployment in the `member3` cluster.
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Where `--cluster-api-endpoint` is the APIEndpoint of the cluster. You can obtain it from the KubeConfig file of the `member3` cluster.
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Where `--proxy-server-address` is the address of the proxy server that is used to proxy the cluster. In current case, we can set `--proxy-server-address` to `http://<karmada_controlplan_addr>:8088`. Get `karmada_controlplan_addr` value through the following command:
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Where `--proxy-server-address` is the address of the proxy server that is used to proxy the cluster. In current case, you can set `--proxy-server-address` to `http://<karmada_controlplan_addr>:8088`. Get `karmada_controlplan_addr` value through the following command:
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```shell
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docker inspect --format='{{range .NetworkSettings.Networks}}{{.IPAddress}}{{end}}' karmada-host-control-plane
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```
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Port `8088` is set by our code modification in ANP: https://github.com/mrlihanbo/apiserver-network-proxy/blob/v0.0.24/dev/cmd/server/app/server.go#L267. You can also modify it to a different value.
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Set port `8088` by modifying the code in ANP: https://github.com/mrlihanbo/apiserver-network-proxy/blob/v0.0.24/dev/cmd/server/app/server.go#L267. You can also modify it to a different value.
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