This topic describes how to upgrade the components in an edge Kubernetes cluster. This allows you to perform fine-grained version upgrades for the components in a cluster of the latest Kubernetes version.

Prerequisites

Procedure

  1. Log on to the ACK console.
  2. In the left-side navigation pane of the ACK console, click Clusters.
  3. On the Clusters page, find the cluster that you want to manage and choose More > Manage System Components in the Actions column.
  4. On the Add-ons page, you can perform one of the following operations:
    • Find the component that you want to install and click Install.
    • Find the component that you want to uninstall and click Uninstall.
    • Find the component that you want to upgrade and click Upgrade.

If the version of your Kubernetes cluster is 1.12.6-aliyunedge.1, you must perform the following steps to upgrade edge-tunnel-server and edge-tunnel-agent.

  1. Manually delete the DaemonSets, Deployments, and Services that are related to the frps or frpc component. To do this, perform the following steps:
    1. Log on to the Container Service for Kubernetes (ACK) console.
    2. In the left-side navigation pane, click Clusters.
    3. On the Clusters page, find the cluster that you want to manage, and click the name of the cluster or click Details in the Actions column.
    4. On the details page of the cluster, click the Connection Information tab. Click the Public Access tab and copy the content of the kubeconfig file to the $HOME/.kube/config file of your on-premises machine.
    5. Run the following command: 
      docker run -v ~/.kube:/root/.kube registry.cn-hangzhou.aliyuncs.com/acs/edge-upgrade-addon:v1.0 tunnel
  2. In the left-side navigation pane of the details page, choose Operations > Add-ons.
    • Find edge-tunnel-server and click Upgrade in the Actions column.
    • Find edge-tunnel-agent and click Upgrade in the Actions column.