build-and-push.yml

name: Build and Push Docker Image

on:
  schedule:
    - cron: '0 0 * * 0' # Runs every Sunday at midnight
  workflow_dispatch: # Allows manual trigger

jobs:
  build-and-push:
    runs-on: ubuntu-latest

    steps:
    - name: Checkout repository
      uses: actions/checkout@v2

    - name: Set up QEMU
      uses: docker/setup-qemu-action@v2

    - name: Set up Docker Buildx
      uses: docker/setup-buildx-action@v2

    - name: Login to GitHub Container Registry
      uses: docker/login-action@v2
      with:
        registry: ghcr.io
        username: ${{ github.repository_owner }}
        password: ${{ secrets.GITHUB_TOKEN }}

    - name: Get latest snmpd version
      id: get-version
      run: |
        latest_version=$(curl -s "https://sourceforge.net/projects/net-snmp/files/net-snmp/" | grep -Po 'href="\/projects\/net-snmp\/files\/net-snmp\/\K[0-9]+\.[0-9]+\.[0-9]+' | sort -V | tail -1)
        echo "latest_version=${latest_version}" >> $GITHUB_ENV
        major_version=$(echo $latest_version | cut -d'.' -f1)
        minor_version=$(echo $latest_version | cut -d'.' -f1-2)
        echo "major_version=${major_version}" >> $GITHUB_ENV
        echo "minor_version=${minor_version}" >> $GITHUB_ENV

    - name: Build Docker image
      run: |
        repo_name=$(echo "${{ github.repository_owner }}" | tr '[:upper:]' '[:lower:]')
        docker build --build-arg SNMPD_VERSION=${{ env.latest_version }} -t ghcr.io/$repo_name/snmpd:${{ env.latest_version }} .

    - name: Tag Docker image
      run: |
        repo_name=$(echo "${{ github.repository_owner }}" | tr '[:upper:]' '[:lower:]')
        docker tag ghcr.io/$repo_name/snmpd:${{ env.latest_version }} ghcr.io/$repo_name/snmpd:latest
        docker tag ghcr.io/$repo_name/snmpd:${{ env.latest_version }} ghcr.io/$repo_name/snmpd:${{ env.major_version }}
        docker tag ghcr.io/$repo_name/snmpd:${{ env.latest_version }} ghcr.io/$repo_name/snmpd:${{ env.minor_version }}

    - name: Push Docker image
      run: |
        repo_name=$(echo "${{ github.repository_owner }}" | tr '[:upper:]' '[:lower:]')
        docker push ghcr.io/$repo_name/snmpd:${{ env.latest_version }}
        docker push ghcr.io/$repo_name/snmpd:latest
        docker push ghcr.io/$repo_name/snmpd:${{ env.major_version }}
        docker push ghcr.io/$repo_name/snmpd:${{ env.minor_version }}

    - name: Tag the repository with the latest version
      run: |
        git config --global user.name "github-actions[bot]"
        git config --global user.email "github-actions[bot]@users.noreply.github.com"
        git tag ${latest_version}
        git push origin ${latest_version}