Removing Rancher Components from a Cluster Manually Please restart the node after the automatic cleanup process is done to make sure any non-persistent data is properly removed. When the node is in Active state, removing the node from a cluster will trigger a process to clean up the node. Removing a Node from a Cluster by Rancher UI Machines, clusters, projects, and user custom resource definitions (CRDs)Īll resources create under the API Group ServiceAccount, clusterRoles, and clusterRoleBindings labeled by Rancher The Rancher deployment namespace ( cattle-system by default) When cleaning nodes provisioned using Rancher, the following components are deleted based on the type of cluster node you’re removing. When a node has become unreachable and the automatic cleanup process cannot be used, we describe the steps that need to be executed before the node can be added to a cluster again.
When removing nodes from your Rancher launched Kubernetes cluster (provided that they are in Active state), those resources are automatically cleaned, and the only action needed is to restart the node. When you use Rancher to install Kubernetes on new nodes in an infrastructure provider, resources (containers/virtual network interfaces) and configuration items (certificates/configuration files) are created.
This process allows you to use the node for other purposes.
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This section describes how to disconnect a node from a Rancher-launched Kubernetes cluster and remove all of the Kubernetes components from the node.