ami-release-nix.yml

name: Release AMI Nix

on:
  push:
    branches:
      - develop
    paths:
      - '.github/workflows/ami-release-nix.yml'
      - 'common-nix.vars.pkr.hcl'
  workflow_dispatch:

jobs:
  build:
    strategy:
      matrix:
        include:
          - runner: arm-runner
            arch: arm64
            ubuntu_release: focal
            ubuntu_version: 20.04
            mcpu: neoverse-n1
    runs-on: ${{ matrix.runner }}
    timeout-minutes: 150
    permissions:
      contents: write
      packages: write
      id-token: write

    steps:
      - name: Checkout Repo
        uses: actions/checkout@v3

      - name: Run checks if triggered manually
        if: ${{ github.event_name == 'workflow_dispatch' }}
        # Update `ci.yaml` too if changing constraints.
        run: |
          SUFFIX=$(sed -E 's/postgres-version = "[0-9\.]+(.*)"/\1/g' common-nix.vars.pkr.hcl)
          if [[ -z $SUFFIX ]] ; then
            echo "Version must include non-numeric characters if built manually."
            exit 1
          fi

      # extensions are build in nix prior to this step
      # so we can just use the binaries from the nix store
      # for postgres, extensions and wrappers

      - name: Build AMI stage 1
        run: |
          packer init amazon-arm64-nix.pkr.hcl
          GIT_SHA=${{github.sha}}
          packer build -var "git-head-version=${GIT_SHA}" -var "packer-execution-id=${GITHUB_RUN_ID}" -var-file="development-arm.vars.pkr.hcl" -var-file="common-nix.vars.pkr.hcl" -var "ansible_arguments="  amazon-arm64-nix.pkr.hcl

      - name: Build AMI stage 2
        run: |
          packer init stage2-nix-psql.pkr.hcl
          GIT_SHA=${{github.sha}}
          packer build -var "git-head-version=${GIT_SHA}" -var "packer-execution-id=${GITHUB_RUN_ID}" -var-file="development-arm.vars.pkr.hcl" -var-file="common-nix.vars.pkr.hcl" stage2-nix-psql.pkr.hcl

      - name: Grab release version
        id: process_release_version
        run: |
          VERSION=$(sed -e 's/postgres-version = "\(.*\)"/\1/g' common-nix.vars.pkr.hcl)
          echo "version=$VERSION" >> "$GITHUB_OUTPUT"

      - name: Create nix flake revision tarball
        run: |
          GIT_SHA=${{github.sha}}
          MAJOR_VERSION=$(echo "${{ steps.process_release_version.outputs.version }}" | cut -d. -f1)

          mkdir -p "/tmp/pg_upgrade_bin/${MAJOR_VERSION}"
          echo "$GIT_SHA" >> "/tmp/pg_upgrade_bin/${MAJOR_VERSION}/nix_flake_version"
          tar -czf "/tmp/pg_binaries.tar.gz" -C "/tmp/pg_upgrade_bin" .

      - name: configure aws credentials - staging
        uses: aws-actions/configure-aws-credentials@v4
        with:
          role-to-assume: ${{ secrets.DEV_AWS_ROLE }}
          aws-region: "us-east-1"

      - name: Upload software manifest to s3 staging
        run: |
          cd ansible
          ansible-playbook -i localhost \
            -e "ami_release_version=${{ steps.process_release_version.outputs.version }}" \
            -e "internal_artifacts_bucket=${{ secrets.ARTIFACTS_BUCKET }}" \
            manifest-playbook.yml

      - name: Upload nix flake revision to s3 staging
        run: |
          aws s3 cp /tmp/pg_binaries.tar.gz s3://${{ secrets.ARTIFACTS_BUCKET }}/upgrades/postgres/supabase-postgres-${{ steps.process_release_version.outputs.version }}/20.04.tar.gz

      #Our self hosted github runner already has permissions to publish images 
      #but they're limited to only that; 
      #so if we want s3 access we'll need to config credentials with the below steps 
      # (which overwrites existing perms) after the ami build

      - name: configure aws credentials - prod
        uses: aws-actions/configure-aws-credentials@v4
        with:
          role-to-assume: ${{ secrets.PROD_AWS_ROLE }}
          aws-region: "us-east-1"

      - name: Upload software manifest to s3 prod
        run: |
          cd ansible
          ansible-playbook -i localhost \
            -e "ami_release_version=${{ steps.process_release_version.outputs.version }}" \
            -e "internal_artifacts_bucket=${{ secrets.PROD_ARTIFACTS_BUCKET }}" \
            manifest-playbook.yml
    
      - name: Upload nix flake revision to s3 prod
        run: |
          aws s3 cp /tmp/pg_binaries.tar.gz s3://${{ secrets.PROD_ARTIFACTS_BUCKET }}/upgrades/postgres/supabase-postgres-${{ steps.process_release_version.outputs.version }}/20.04.tar.gz

      - name: Create release
        uses: softprops/action-gh-release@v1
        with:
          name: ${{ steps.process_release_version.outputs.version }}
          tag_name: ${{ steps.process_release_version.outputs.version }}
          target_commitish: ${{github.sha}}

      - name: Slack Notification on Failure
        if: ${{ failure() }}
        uses: rtCamp/action-slack-notify@v2
        env:
          SLACK_WEBHOOK: ${{ secrets.SLACK_NOTIFICATIONS_WEBHOOK }}
          SLACK_USERNAME: 'gha-failures-notifier'
          SLACK_COLOR: 'danger'
          SLACK_MESSAGE: 'Building Postgres AMI failed'
          SLACK_FOOTER: ''

      - name: Cleanup resources on build cancellation
        if: ${{ cancelled() }}
        run: |
          aws ec2 describe-instances --filters "Name=tag:packerExecutionId,Values=${GITHUB_RUN_ID}" --query "Reservations[].Instances[].InstanceId" --output text | xargs -n 1 -I {} aws ec2 terminate-instances --instance-ids {}