create-image.yml

# This is a basic workflow to help you get started with Actions

name: CI

env:
  VERSION: ${{ github.ref_name }}
  BASE_OS_IMAGE: base-os.qcow2
  S3_ENDPOINT: ${{ vars.S3_ENDPOINT }}
  ACCESS_KEY: ${{ secrets.ACCESS_KEY }}
  SECRET_KEY: ${{ secrets.SECRET_KEY }}
  S3_ALIAS: ${{ secrets.S3_ALIAS }}
  S3_BUCKET: ${{ vars.S3_BUCKET }}

# Controls when the workflow will run
on:
  # Triggers the workflow on push or pull request events but only for the main branch
  push:
    tags:
    - '*'
  
  # Allows you to run this workflow manually from the Actions tab
  workflow_dispatch:

# A workflow run is made up of one or more jobs that can run sequentially or in parallel
jobs:
  # This workflow contains a single job called "build"
  build:
    # The type of runner that the job will run on
    runs-on: [self-hosted, Linux]

    # Steps represent a sequence of tasks that will be executed as part of the job
    steps:
      # Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
      - uses: actions/checkout@v3

      # Runs a single command using the runners shell
      - name: Install prerequies
        run: |
          sudo dnf update -y
          sudo dnf install -y libguestfs-tools libguestfs-tools-c wget
      # Runs a set of commands using the runners shell
      - name: Download base image from AWS
        run: |
         sudo wget "https://cdn.amazonlinux.com/al2023/os-images/${{ env.VERSION }}/kvm/al2023-kvm-${{ env.VERSION }}-kernel-6.1-x86_64.xfs.gpt.qcow2" -O $BASE_OS_IMAGE
      - name: Making some changes on base image
        run: |
         sudo virt-copy-in -a $BASE_OS_IMAGE config/02_amazon-onprem.cfg /etc/cloud/cloud.cfg.d/
      - name: Sparsify image
        run: |
         sudo virt-sysprep -a $BASE_OS_IMAGE
         sudo virt-sparsify --compress $BASE_OS_IMAGE al2023-kvm-${{ env.VERSION }}-kernel-6.1-x86_64.xfs.gpt.qcow2
         sudo md5sum al2023-kvm-${{ env.VERSION }}-kernel-6.1-x86_64.xfs.gpt.qcow2 > md5.txt
         sudo sha1sum -b al2023-kvm-${{ env.VERSION }}-kernel-6.1-x86_64.xfs.gpt.qcow2 > sha1.txt
         sudo sha256sum -b al2023-kvm-${{ env.VERSION }}-kernel-6.1-x86_64.xfs.gpt.qcow2 > sha256.txt
      - name: Uploading image in object storage
        run: |
         echo "Uploading image in object storage"
         mc alias set ${{ env.S3_ALIAS }} ${{ env.S3_ENDPOINT }} ${{ env.ACCESS_KEY }} ${{ env.SECRET_KEY }}
         mc cp al2023-kvm-${{ env.VERSION }}-kernel-6.1-x86_64.xfs.gpt.qcow2 ${{ env.S3_ALIAS }}/${{ env.S3_BUCKET }}/latest/al2023-kvm-${{ env.VERSION }}-kernel-6.1-x86_64.xfs.gpt.qcow2
         mc cp md5.txt ${{ env.S3_ALIAS }}/${{ env.S3_BUCKET }}/latest/md5.txt
         mc cp sha1.txt ${{ env.S3_ALIAS }}/${{ env.S3_BUCKET }}/latest/sha1.txt
         mc cp sha256.txt ${{ env.S3_ALIAS }}/${{ env.S3_BUCKET }}/latest/sha256.txt
         mc cp ${{ env.S3_ALIAS }}/${{ env.S3_BUCKET }}/latest/ al2023-kvm-${{ env.VERSION }}-kernel-6.1-x86_64.xfs.gpt.qcow2 ${{ env.S3_ALIAS }}/${{ env.S3_BUCKET }}/${{ env.VERSION }}/al2023-kvm-${{ env.VERSION }}-kernel-6.1-x86_64.xfs.gpt.qcow2
         mc cp ${{ env.S3_ALIAS }}/${{ env.S3_BUCKET }}/latest/md5.txt ${{ env.S3_ALIAS }}/${{ env.S3_BUCKET }}/${{ env.VERSION }}/md5.txt
         mc cp ${{ env.S3_ALIAS }}/${{ env.S3_BUCKET }}/latest/sha1.txt ${{ env.S3_ALIAS }}/${{ env.S3_BUCKET }}/${{ env.VERSION }}/sha1.txt
         mc cp ${{ env.S3_ALIAS }}/${{ env.S3_BUCKET }}/latest/sha256.txt ${{ env.S3_ALIAS }}/${{ env.S3_BUCKET }}/${{ env.VERSION }}/sha256.txt