action.yml

name: Deploy Single Page Application on S3
description: Github Action to deploy s3 by sam
branding:
  icon: upload-cloud
  color: red

inputs:
  BucketName:
    description: S3 Bucket Name
    required: true
  SAMSourceBucket:
    description: AWS S3 bucket where artifacts referenced in the template are uploaded.
    required: false
  SAMToken:
    description: The GITHUB Authentication token to use for calling the GITHUB Get the latest release API. Defaults to call the API as unauthenticated request if not specified.
    required: false
  Aliases:
    description: AWS::CloudFront::Distribution DistributionConfig Properties, To apply this property, you must also enter `AcmCertificateArn` and `HostedZoneId`.
    required: false
  AcmCertificateArn:
    description: AWS::CloudFront::Distribution ViewerCertificate Properties, To apply this property, you must also enter `Aliases` and `HostedZoneId`.
    required: false
  HostedZoneId:
    description: AWS::Route53::RecordSetGroup Properties, To apply this property, you must also enter `Aliases`, `AcmCertificateArn`.
    required: false

outputs:
  DistributionId:
    description: "The distribution's identifier. For example: E1U5RQF7T870K0."
    value: ${{ steps.output.outputs.DistributionId }}
  DomainName:
    description: The domain name of the resource
    value: ${{ steps.output.outputs.DomainName }}

runs:
  using: composite

  steps:
    - shell: bash
      run: aws sts get-caller-identity >/dev/null 2>&1

    - shell: bash
      id: path
      run: echo "path=$GITHUB_ACTION_PATH" >> "$GITHUB_OUTPUT"

    - uses: aws-actions/setup-sam@v2
      with:
        use-installer: true
        token: ${{ inputs.SAMToken }}

    - shell: bash
      run: |
        BUCKET=$(echo ${{ inputs.BucketName }} | tr '.' '-')

        cat <<EOF > config.toml
        version = 0.1

        [default.build.parameters]
        cached = true
        parallel = true

        [default.validate.parameters]
        lint = true

        [default.deploy.parameters]
        capabilities = "CAPABILITY_IAM"
        confirm_changeset = false
        resolve_s3 = true
        stack_name = "S3SPA-$BUCKET"
        s3_prefix = "S3SPA-$BUCKET"

        [default.package.parameters]
        resolve_s3 = true
        EOF

    - uses: actions/setup-node@main
      with:
        node-version: 20

    - shell: bash
      run: node ${{ steps.path.outputs.path }}/index.js
      env:
        BucketName: ${{ inputs.BucketName }}
        Aliases: ${{ inputs.Aliases }}
        AcmCertificateArn: ${{ inputs.AcmCertificateArn }}
        HostedZoneId: ${{ inputs.HostedZoneId }}

    - shell: bash
      run: |
        sam build --config-file config.toml
        sam validate --config-file config.toml

        if [ -n "${{ inputs.SAMSourceBucket }}" ]; then
          sam deploy --no-fail-on-empty-changeset --s3-bucket ${{ inputs.SAMSourceBucket }} --config-file config.toml --resolve-image-repos
        else
          sam deploy --no-fail-on-empty-changeset --config-file config.toml --resolve-image-repos
        fi

    - shell: bash
      id: output
      run: |
        BUCKET=$(echo ${{ inputs.BucketName }} | tr '.' '-')

        DistributionId=$(aws cloudformation describe-stacks --stack-name "S3SPA-$BUCKET" --query "Stacks[0].Outputs[?OutputKey=='DistributionId'].OutputValue" --output text)
        DomainName=$(aws cloudformation describe-stacks --stack-name "S3SPA-$BUCKET" --query "Stacks[0].Outputs[?OutputKey=='DomainName'].OutputValue" --output text)
        echo "DistributionId=$DistributionId" >> "$GITHUB_OUTPUT"
        echo "DomainName=$DomainName" >> "$GITHUB_OUTPUT"