Update a Cluster

You can update a cluster for Public and Private Node Pools with the Kubernetes Manager in DCD.

Public Node Pools

To update a cluster, follow these steps:

1. In the DCD, go to Menu > Containers > Managed Kubernetes.

Containers drop-down menu

2. Select a cluster from the list and go to the Cluster Settings tab.

3. (Optional) Update the Cluster name, or you can continue with the existing cluster name.

Note: Make sure to use the following naming convention for the Kubernetes cluster:

• Can be a maximum of 63 characters in length.

• Begins and ends with an alphanumeric character ([a-z0-9A-Z]).

• Must not contain spaces or any other white-space characters.

• Can contain dashes (-), underscores (_), and dots (.) in between.

4. Select the Version number of Kubernetes you want to run on the cluster from the drop-down list.

5. Select a preferred Maintenance day for maintenance from the drop-down list.

6. Select a preferred Maintenance time (UTC) for your maintenance window from the menu. Necessary maintenance for Managed Kubernetes will be performed accordingly.

7. Click Update Cluster to save your changes.

   

   Updating a cluster for Private Node Pools

Result: The cluster for your Public Node Pools is successfully updated.

Private Node Pools

To update a cluster, follow these steps:

1. In the DCD, go to Menu > Containers > Managed Kubernetes.

Containers drop-down menu

2. Select a cluster from the list and go to the Cluster Settings tab.

3. (Optional) Update the Cluster name, or you can continue with the existing cluster name.

Note: Make sure to use the following naming convention for the Kubernetes cluster:

• Can be a maximum of 63 characters in length.

• Begins and ends with an alphanumeric character ([a-z0-9A-Z]).

• Must not contain spaces or any other white-space characters.

• Can contain dashes (-), underscores (_), and dots (.) in between.

4. Select the Version number of Kubernetes you want to run on the cluster from the drop-down list.

5. Select a preferred Maintenance day for maintenance from the drop-down list.

6. Select a preferred Maintenance time (UTC) for your maintenance window from the menu. Necessary maintenance for Managed Kubernetes will be performed accordingly.

7. (Optional) Add a S3 Bucket to the Logging to S3 drop-down list to Enable logging to bucket. You can also disable logging to S3 for your Kubernetes cluster.

8. (Optional) Add the individual IP address or CIDRs that need access to the control plane in the Restrict Access by IP field using the + Add IP drop-down menu. Select Allow IP to control the access to the KubeAPI server of your cluster. Only requests from the defined IPs or networks are allowed.

9. Click Update Cluster to save your changes.

   

   Updating a cluster for Private Node Pools

Note: Once provisioned, you cannot update the Subnet and Gateway IP values.

Result: The cluster for your Private Node Pools is successfully updated.