Upgrading the EKS version
Upgrade the Elastic Kubernetes Service (EKS) version for AWS
AWS frequently updates the version of EKS based on new features that are available in the Kubernetes platform. DuploCloud automates this upgrade in the DuploCloud Portal.
IMPORTANT: An EKS version upgrade can cause downtime to your application depending on the number of replicas you have configured for your services. Schedule this upgrade outside of your business hours to minimize disruption.
About the upgrade process
Updating the EKS version:
Updates the EKS Control Plane to the latest version
Updates all add-ons and components
Relaunches all Hosts to deploy the latest version on all nodes.
After the upgrade process completes successfully, you optionally assign allocation tags to Hosts.
Starting the upgrade
Upgrading the EKS version
Click Administrator -> Infrastructure.
Select the Infrastructure that you want to upgrade to the latest EKS version.
Select the EKS tab. If an upgrade is available for the Infrastructure, an Upgrade link appears in the Value column.
Click the Upgrade link. The Upgrade EKS Cluster pane displays.
From the Target Version list box, select the version to which you want to upgrade.
From the Host Upgrade Action, select the method by which you want to upgrade hosts.
Click Start. The upgrade process begins.
Updating EKS Components (Add-ons)
Click Administrator -> Infrastructure.
Select the Infrastructure with components you want to upgrade.
Select the EKS tab. If an upgrade is available for the Infrastructure components, an Upgrade Components link appears in the Value column.
Click the Upgrade link. The Upgrade EKS Cluster Components pane displays.
From the Host Upgrade Action, select the method by which you want to upgrade hosts.
Click Start. The upgrade process begins.
Monitoring upgrades
The EKS Upgrade Details page displays that the upgrade is In Progress.
Find more details about the upgrade by selecting your Infrastructure from the Infrastructure page. Click the EKS tab, and then click Show Details.
Upgrade completion
When you click Show Details, the EKS Upgrade Details page displays the progress of updates for all versions and Hosts. Green checkmarks indicate successful completion in the Status list. Red Xs indicate Actions you must take to complete the upgrade process.
Assign allocation tags
If any of your Hosts use allocation tags, you must assign allocation tags to the Hosts:
After your Hosts are online and available, navigate to Cloud Services -> Hosts.
Select the host group tab (EC2, ASG, etc.) on the Hosts screen.
Click the Add button.
Name the Host and provide other configuration details on the Add Host form.
Select Advanced Options.
Edit the Allocation Tag field.
Click Create and define your allocation tags.
Click Add to assign the allocation tags to the Host.
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