Delete a cluster

This page explains how to delete a node pool and a cluster.

Delete a node pool

To delete a cluster, you must first delete all of its node pools.

Console

  1. In the Google Cloud console, go to the Google Kubernetes Engine clusters overviewpage.

    Go to GKE clusters

  2. Select the Google Cloud project that the cluster is in.

  3. In the cluster list, select the name of the cluster, and then select View detailsin the side panel.

  4. Select the Nodestab to see a list of all the node pools.

  5. Select a node pool from the list.

  6. Near the top of the window, click Delete.

    If the delete fails, follow the steps in the gcloud tab and add the --ignore-errors flag to the gcloud container aws node-pools delete command.

gcloud

  1. Get a list of your node pools:

     gcloud  
    container  
    aws  
    node-pools  
    list  
     \ 
      
    --cluster  
     CLUSTER_NAME 
      
     \ 
      
    --location  
     GOOGLE_CLOUD_LOCATION 
     
    

    Replace the following:

    • CLUSTER_NAME : the name of the cluster that the node pool is attached to
    • GOOGLE_CLOUD_LOCATION : the Google Cloud location hosting the node pool
  2. For each of your node pools, delete it with the following command:

     gcloud  
    container  
    aws  
    node-pools  
    delete  
     NODE_POOL_NAME 
      
     \ 
      
    --cluster  
     CLUSTER_NAME 
      
     \ 
      
    --location  
     GOOGLE_CLOUD_LOCATION 
     
    

    Replace the following:

    • NODE_POOL_NAME : the name of the node pool to delete
    • CLUSTER_NAME
    • GOOGLE_CLOUD_LOCATION

    If the command returns an error and the delete fails, you can force the deletion by running the command again with the --ignore-errors flag. This flag is available in version 1.29 and later.

How GKE on AWS protects workloads during node pool deletion

During node pool deletion, GKE on AWS performs graceful shut down on each node without honoring PodDisruptionBudget. It takes the following steps:

  1. Disable cluster autoscaler if it was enabled.
  2. Set up a deadline for the draining process. After this deadline, even if there are still Pod objects existing, GKE on AWS stops draining and proceeds to deleting underlying virtual machines. The default deadline is 5 minutes. For every 10 more nodes, 5 more minutes is added.
  3. Cordon all the nodes in the node pool.
  4. Before deadline is met, delete Pod objects in the node pool with best efforts.
  5. Delete all the underlying compute resources.

Delete a cluster

Before deleting a cluster, make sure that you have deleted all of its node pools.

Console

  1. In the Google Cloud console, go to the Google Kubernetes Engine clusters overviewpage.

    Go to GKE clusters

  2. Select the Google Cloud project that the cluster is in.

  3. In the cluster list, select the name of the cluster, and then select View detailsin the side panel.

  4. Near the top of the window, click Delete.

    If the delete fails, follow the steps in the gcloud tab and add the --ignore-errors flag to the gcloud container aws clusters delete command.

gcloud

To delete a cluster, run the following command:

 gcloud  
container  
aws  
clusters  
delete  
 CLUSTER_NAME 
  
 \ 
  
--location  
 GOOGLE_CLOUD_LOCATION 
 

Replace the following:

  • CLUSTER_NAME : the name of the cluster to delete
  • GOOGLE_CLOUD_LOCATION : the Google Cloud location hosting this cluster

    If the command returns an error and the delete fails, you can force the deletion by running the command again with the --ignore-errors flag. This flag is available in version 1.29 and later.

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