Update & Upgrade cluster
Upgrade & Update Cluster
To upgrade or update a cluster, navigate to the three dots (...) from the clusters list page and click Edit.
Editable Fields
1. Kubernetes Version
Incremental version upgrades are supported. You can upgrade one minor version at a time (e.g., 1.28 to 1.29). Atmosly supports versions 1.24 through 1.33, with end-of-support tracking for each version.
2. VPC / CIDR
You can add a secondary CIDR range to expand the network address space of your cluster's VPC.
3. Tags
Modify key-value pair tags attached to cluster resources for identification and billing.
4. Cluster Log Retention Period
Adjust the duration for which cluster logs are retained.
5. VPC Flow Log Retention Period
Modify the duration for which VPC flow logs are stored.
6. Add-ons
Manage the add-ons installed on your cluster:
| Add-on | Can Remove | Can Add | Can Edit |
|---|---|---|---|
| Cert Manager | No | Yes | No |
| Cert Manager LE Email | No | Yes | No |
| Letsencrypt HTTP Issuers | No | Yes | No |
| EFS Storage Class | No | Yes | No |
| EBS CSI Driver | No | Yes | No |
| Ingress ALB Controller | No | Yes | No |
| NGINX Ingress Controller | No | Yes | No |
| VPC CNI | No | Yes | No |
| Metrics Server | No | Yes | No |
| Karpenter | No | Yes | No |
| Cluster Autoscaler | No | Yes | No |
| AWS Node Termination Handler | No | Yes | No |
| Service Monitor CRD | No | Yes | No |
| HPA for CoreDNS | No | Yes | No |
| Single AZ GP3 SC | No | Yes | No |
| Cluster Proportional Autoscaler | No | Yes | No |
| PGL Stack | Yes | Yes | Yes |
| K8s Dashboard | Yes | Yes | Yes |
| ArgoFlow | Yes | Yes | Yes |
| Keda | Yes | Yes | Yes |
| External Secrets | Yes | Yes | Yes |
| Istio Service Mesh | Yes | Yes | Yes |
| Reloader | Yes | Yes | Yes |
Update Process
- Navigate to the cluster edit page.
- Modify the desired fields.
- For add-ons: edit existing configurations, add new add-ons, or remove eligible add-ons.
- Review the entire update in the Preview step.
- Click Update to apply changes.
Update Status
During an update, the cluster will show one of the following statuses:
| Status | Description |
|---|---|
| Updating | Cluster infrastructure, add-on, or node group update is in progress |
| Active | Update completed successfully and the cluster is fully operational |
| Update Failed | The update operation has failed — review the cluster logs for details |
Update history is tracked and stored for each cluster. You can view previous update operations in the cluster logs section.