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Update edge node guide
Signed-off-by: Sherlock113 <sherlockxu@yunify.com>
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Sherlock113
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@ -36,12 +36,6 @@ You need to install a container runtime and configure EdgeMesh on your edge node
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[KubeEdge](https://docs.kubeedge.io/en/docs/) supports several container runtimes including Docker, containerd, CRI-O and Virtlet. For more information, see [the KubeEdge documentation](https://docs.kubeedge.io/en/docs/advanced/cri/).
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{{< notice note >}}
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If you use Docker as the container runtime for your edge node, Docker v19.3.0 or later must be installed so that KubeSphere can get Pod metrics of it.
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{{</ notice >}}
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### Configure EdgeMesh
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Perform the following steps to configure [EdgeMesh](https://kubeedge.io/en/docs/advanced/edgemesh/) on your edge node.
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@ -160,6 +154,29 @@ To make sure edge nodes can successfully talk to your cluster, you must forward
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done
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```
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## Custom Configurations
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To customize some configurations of an edge node, such as download URL and KubeEdge version, create a [ConfigMap](../../../project-user-guide/configuration/configmaps/) as below:
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```yaml
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apiVersion: v1
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data:
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region: zh # Download region.
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version: v1.6.2 # The version of KubeEdge to be installed. Allowed values are v1.5.0, v1.6.0, v1.6.1 and v1.6.2 (default).
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kind: ConfigMap
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metadata:
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name: edge-watcher-config
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namespace: kubeedge
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```
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{{< notice note >}}
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- You can specify `zh` or `en` for the field `region`. `zh` is the default value and the default download link is `https://kubeedge.pek3b.qingstor.com/bin/v1.6.1/$arch/keadm-v1.6.1-linux-$arch.tar.gz`. If you set `region` to `en`, the download link will be `https://github.com/kubesphere/kubeedge/releases/download/v1.6.1-kubesphere/keadm-v1.6.1-linux-amd64.tar.gz`.
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- The ConfigMap does not affect the configurations of exiting edge nodes in your cluster. It is only used to change the KubeEdge configurations to be used on a new edge node. More specifically, it decides [the command automatically created by KubeSphere mentioned above](#add-an-edge-node) which needs to be executed on the edge node.
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- While you can change the KubeEdge version to be installed on an edge node, it is recommended that the cloud and edge modules have the same KubeEdge version.
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{{</ notice >}}
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## Remove an Edge Node
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Before you remove an edge node, delete all your workloads running on it.
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@ -187,26 +187,3 @@ iptables-hphgf 1/1 Running 0 5
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CloudCore may malfunction (`CrashLoopBackOff`) if `kubeedge.cloudCore.cloudHub.advertiseAddress` was not set when you enabled KubeEdge. In this case, run `kubectl -n kubeedge edit cm cloudcore` to add the public IP address of your cluster or an IP address that can be accessed by edge nodes.
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{{</ notice >}}
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## Custom Configurations
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After you enable KubeEdge, you can manually create a [ConfigMap](../../project-user-guide/configuration/configmaps/) to customize some configurations, such as the download URL of `keadm` and the version of KubeEdge. Local configurations will be dynamically updated based on the ConfigMap.
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Here is an example of the ConfigMap:
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```yaml
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apiVersion: v1
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data:
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region: zh # Download region.
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version: v1.6.1 # The default installed version of KubeEdge.
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kind: ConfigMap
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metadata:
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name: edge-watcher-config
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namespace: kubeedge
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```
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{{< notice note >}}
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You can specify `zh` or `en` for the field `region`. `zh` is the default value and the default download link is `https://kubeedge.pek3b.qingstor.com/bin/v1.6.1/$arch/keadm-v1.6.1-linux-$arch.tar.gz`. If you set `region` to `en`, the download link will be `https://github.com/kubesphere/kubeedge/releases/download/v1.6.1-kubesphere/keadm-v1.6.1-linux-amd64.tar.gz`.
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{{</ notice >}}
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@ -36,12 +36,6 @@ KubeSphere 利用 [KubeEdge](https://kubeedge.io/zh/) 将原生容器化应用
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[KubeEdge](https://docs.kubeedge.io/zh/docs/) 支持多种容器运行时，包括 Docker、containerd、CRI-O 和 Virtlet。有关更多信息，请参见 [KubeEdge 文档](https://docs.kubeedge.io/zh/docs/advanced/cri/)。
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{{< notice note >}}
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如果您的边缘节点使用 Docker 作为容器运行时，为确保 KubeSphere 可以获取 Pod 指标，请务必在边缘节点上安装 Docker v19.3.0 或更高版本。
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{{</ notice >}}
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### 配置 EdgeMesh
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执行以下步骤以在边缘节点上配置 [EdgeMesh](https://kubeedge.io/zh/docs/advanced/edgemesh/)。
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@ -160,6 +154,29 @@ KubeSphere 利用 [KubeEdge](https://kubeedge.io/zh/) 将原生容器化应用
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done
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```
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## 自定义配置
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若要对边缘节点的部分配置（例如下载 URL 和 KubeEdge 版本）自定义，您可以如下创建一个 [ConfigMap](../../../project-user-guide/configuration/configmaps/)：
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```yaml
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apiVersion: v1
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data:
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region: zh # 下载区域。
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version: v1.6.1 # KubeEdge 的安装版本。可用的值包括 v1.5.0、v1.6.0、v1.6.1 和 v1.6.2（默认）。
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kind: ConfigMap
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metadata:
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name: edge-watcher-config
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namespace: kubeedge
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```
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{{< notice note >}}
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- 对于 `region` 字段，您可以指定 `zh` 或 `en`。默认值为 `zh`，默认下载链接为 `https://kubeedge.pek3b.qingstor.com/bin/v1.6.1/$arch/keadm-v1.6.1-linux-$arch.tar.gz`。若将 `region` 设置为 `en`，下载链接将变为 `https://github.com/kubesphere/kubeedge/releases/download/v1.6.1-kubesphere/keadm-v1.6.1-linux-amd64.tar.gz`。
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- 该 ConfigMap 不会影响您集群中现有边缘节点的配置，仅用于修改新添加的边缘节点的配置。确切地说，该 ConfigMap 会决定上文中[由 KubeSphere 自动生成的命令](#添加边缘节点)，即您之后在边缘节点上需要运行的命令。
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- 虽然您可以变更在边缘节点上安装的 KubeEdge 版本，建议您的云端和边端组件使用相同的 KubeEdge 版本。
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{{</ notice >}}
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## 移除边缘节点
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移除边缘节点之前，请删除在该节点上运行的全部工作负载。
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@ -187,27 +187,4 @@ iptables-hphgf 1/1 Running 0 5
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如果您在启用 KubeEdge 时未设置 `kubeedge.cloudCore.cloudHub.advertiseAddress`，则 CloudCore 无法正常运行 (`CrashLoopBackOff`)。在这种情况下，请运行 `kubectl -n kubeedge edit cm cloudcore` 添加集群的公共 IP 地址或边缘节点可以访问的 IP 地址。
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{{</ notice >}}
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## 自定义配置
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启用 KubeEdge 后，您可以手动创建一个 [ConfigMap](../../project-user-guide/configuration/configmaps/) 来自定义某些配置，比如 `keadm` 的下载 URL、KubeEdge 的版本等等。本地配置将基于该 ConfigMap 进行动态更新。
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以下是 ConfigMap 的示例：
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```yaml
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apiVersion: v1
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data:
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region: zh # 下载区域。
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version: v1.6.1 # KubeEdge 的默认安装版本。
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kind: ConfigMap
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metadata:
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name: edge-watcher-config
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namespace: kubeedge
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```
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{{< notice note >}}
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对于 `region` 字段，您可以指定 `zh` 或 `en`。默认值为 `zh`，默认下载链接为 `https://kubeedge.pek3b.qingstor.com/bin/v1.6.1/$arch/keadm-v1.6.1-linux-$arch.tar.gz`。若将 `region` 设置为 `en`，下载链接将变为 `https://github.com/kubesphere/kubeedge/releases/download/v1.6.1-kubesphere/keadm-v1.6.1-linux-amd64.tar.gz`。
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{{</ notice >}}
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{{</ notice >}}
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