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v2.4.0(2025-09-08)

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@ronardcaktus ronardcaktus released this 24 Sep 15:40
v2.4.0
f6d1b0d
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Learn about vigilant mode.

Backwards-incompatible changes:

  • EBS volume type for worker nodes has been changed from gp2 to gp3. This will result in node replacement. Workload migration should still be managed by AWS.

What's new in 2.4.0 (#119):

  • Custom AMI Support:

    • Added support for conditionally specifying custom AMIs for EKS node groups.

    • New parameters:

      • CustomAMIImageType: Corresponding image type (e.g., AL2023_x86_64_STANDARD, AL2_x86_64).
      • CustomEKSAMI: AMI ID to use for worker nodes. If CustomAMIImageType is set, one isn't required to set CustomEKSAMI.

    • Conditional logic ensures that these settings are only applied when explicitly provided.

  • Cluster Version Parameterization:

    • Introduced EksClusterVersion parameter to allow template users to control the Kubernetes version.
    • If this parameter is not set, AWS will default to the version already in place.

  • Launch Template Enhancements:

    • Node group now uses a versioned launch template reference. This will support inplace changes rather than entire nodegroup replacement where possible.
    • Custom AMI ID is injected into the launch template conditionally, based on user input.

  • EBS Improvements:

    • Changed block storage type from gp2 to gp3 in the launch template for better performance and cost optimization.
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