action.yaml

name: aws-helm-deploy
description: Deploy a Helm chart from ECR to an EKS cluster
inputs:
  aws-region:
    required: true
    description: 'The AWS region where the EKS cluster is located'
  aws-account-id:
    required: true
    description: 'The AWS account ID where the ECR repository is located'
  aws-role-name-to-assume:
    required: true
    description: 'The name of the role to assume in the AWS account'
  chart-name:
    required: true
    description: 'The name of the Helm chart to deploy'
  chart-version:
    required: true
    description: 'The version of the Helm chart to deploy'
  cluster-name:
    required: true
    description: 'The name of the EKS cluster to deploy the Helm chart to'
  cluster-region:
    required: false
    description: 'The region of the EKS cluster to deploy the Helm chart to'
  helm-ecr-account-id:
    required: true
    description: 'The AWS account ID where the ECR repository is located'
  helm-ecr-region:
    required: false
    description: 'The AWS region where the ECR repository is located'
  helm-release-name:
    required: true
    description: 'The name of the Helm release'
  namespace:
    required: true
    description: 'The namespace to deploy the Helm chart to'
  set-values:
    required: false
    description: 'Coma-separated list of key=value pairs to set in the Helm chart values file using --set'
  values:
    required: true
    description: 'The path to the values file for the Helm chart'

runs:
  using: 'composite'
  steps:
    - uses: azure/setup-helm@v4

    - uses: aws-actions/configure-aws-credentials@v4
      with:
        aws-region: ${{ inputs.aws-region }}
        role-to-assume: arn:aws:iam::${{ inputs.aws-account-id }}:role/${{ inputs.aws-role-name-to-assume }}

    - name: Add EKS cluster to kubeconfig
      shell: bash
      run: aws eks update-kubeconfig --name ${{ inputs.cluster-name }} --region ${{ inputs.cluster-region || inputs.aws-region }}

    - name: Login to ECR
      id: ecr
      uses: aws-actions/amazon-ecr-login@v2
      env:
        AWS_REGION: ${{ inputs.helm-ecr-region || inputs.aws-region }}
      with:
        registries: ${{ inputs.helm-ecr-account-id || inputs.aws-account-id }}

    - name: Deploy helm chart
      shell: bash
      env:
        OCI_CHART: oci://${{ steps.ecr.outputs.registry }}/${{ inputs.chart-name }}
      run: |
        helm upgrade ${{ inputs.helm-release-name }} \
        $OCI_CHART \
        --install \
        --timeout 0 \
        --values ${{ inputs.values }} \
        --namespace ${{ inputs.namespace }} \
        --set ${{ inputs.set-values }} \
        --dependency-update \
        --version ${{ inputs.chart-version }}