POC - Create specific Helm chart for AWS EKS Add-on support

[danielnginx]

Findings
EKS Add-ons are selected at Step 4 and Configured at Step 5 when creating an EKS cluster in the AWS Management Console

Steps to publish an add-on to the AWS marketplace:
https://docs.aws.amazon.com/marketplace/latest/userguide/container-product-policies.html#publishing-eks-add-on
https://docs.aws.amazon.com/marketplace/latest/userguide/container-product-getting-started.html#container-add-version

Docs on add-on creation through cli: https://docs.aws.amazon.com/cli/latest/reference/eks/create-addon.html

UACs

Beta Give feedback

1. Create example Helm chart for NIC to be installed as an AWS EKS Add-on
2. Example add-on creation using AWS Managment Console
3. Make test repo for Helm chart
4. Example add-on creation using AWS CLI / eksctl
5. Push example Helm chart to test repo

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Notes

Repository to store AWS Marketplace and EKS Add-on related Github actions: https://github.com/nginxinc/kubernetes-ingress-awsConnect your Github account

Existing automation for publishing to AWS is here: https://github.com/nginxinc/kubernetes-ingress/blob/main/.github/workflows/release.yml#L256

Existing Github action for publishing to AWS Marketplace: https://github.com/nginxinc/aws-marketplace-publish

API to create new add-on version: https://docs.aws.amazon.com/marketplace-catalog/latest/api-reference/container-products.html#container-add-version

Workflow to push plus images to the AWS Marketplace Registry: https://github.com/nginxinc/kubernetes-ingress/blob/main/.github/workflows/plus-release.yml#L206

Pushing a Helm chart to an Amazon ECR private repository: https://docs.aws.amazon.com/AmazonECR/latest/userguide/push-oci-artifact.html