image-version-workflow.yaml

# Copyright (c) 2024 Dell Inc., or its subsidiaries. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#  http://www.apache.org/licenses/LICENSE-2.0

# This workflow is a reusable one for creating tag and release.
name: Update image versions

# Invocable as a reusable workflow
on:
  workflow_call:
    inputs:
      version:
        description: 'Version to release (major, minor, patch)'
        required: true
        type: string
jobs:
  update-image-version:
    name: image-version-update
    runs-on: ubuntu-latest
    steps:
      - name: Checkout the code
        uses: actions/checkout@v4
        with:
          fetch-depth: 0 # Fetch the full history including tags

      - name: Set environment variables
        env:
          release_pattern: 'release="([0-9]+)\.([0-9]+)\.([0-9]+)"'
          version_pattern: 'version="([0-9]+)\.([0-9]+)\.([0-9]+)"'
          run: |
          release_value=$(grep -oP '^LABEL release="\K([0-9]+)\.([0-9]+)\.([0-9]+)' Dockerfile)
          version_value=$(grep -oP '^LABEL version="\K([0-9]+)\.([0-9]+)\.([0-9]+)' Dockerfile)
          echo "release_value=$release_value" >> $GITHUB_ENV
          echo "version_value=$version_value" >> $GITHUB_ENV
      
      - name: Increment version
        env:
          MY_VAR1: ${{ env.release_value }}
          MY_VAR2: ${{ env.version_value }}
        run: |
          current_version=$MY_VAR2
          current_version=(${current_version#v}) # remove 'v' prefix from $current_version"

          current_release=$MY_VAR1
          current_release=(${current_release#v}) # remove 'v' prefix from $current_release"
          
          IFS='.' read -r -a version_parts <<< "$current_version"
          IFS='.' read -r -a release_parts <<< "$current_release"              
          
          if "${{ inputs.version == 'major' }}"; then
              # major version bump up
              version_parts[0]=$(expr ${version_parts[0]} + 1)
              new_version="${version_parts[0]}.0.0"
              release_parts[0]=$(expr ${release_parts[0]} + 1)
              new_release="${release_parts[0]}.0.0"
          fi
          
          if "${{ inputs.version == 'minor' }}"; then
              # minor version bump up
              version_parts[1]=$(expr ${version_parts[1]} + 1)
              new_version="${version_parts[0]}.${version_parts[1]}.0"
              release_parts[0]=$(expr ${release_parts[0]} + 1)
              new_release="${release_parts[0]}.0.0"
          fi
          
          if "${{ inputs.version == 'patch' }}"; then
              # patch version bump up
              version_parts[2]=$(expr ${version_parts[2]} + 1)
              new_version="${version_parts[0]}.${version_parts[1]}.${version_parts[2]}"
              release_parts[0]=$(expr ${release_parts[0]} + 1)
              new_release="${release_parts[0]}.0.0"
          fi
          echo "New version to be released:v$new_version"
          echo "NEW_VERSION=v${new_version}" >> $GITHUB_ENV
          echo "New release will be:v$new_release"
          echo "NEW_RELEASE=v${new_release}" >> $GITHUB_ENV

      - name: Update Dockerfile with new versions
        run: |
          sed -i "s/release=\"$release_value\"/release=\"$NEW_RELEASE\"/" Dockerfile
          sed -i "s/version=\"$version_value\"/version=\"$NEW_VERSION\"/" Dockerfile

      # Needed for signing commits using Github App tokens
      # See: https://github.com/peter-evans/create-pull-request/blob/main/docs/concepts-guidelines.md#commit-signing
      - uses: actions/create-github-app-token@v1.11.1
        id: generate-token
        with:
          app-id: ${{ vars.CSM_RELEASE_APP_ID }}
          private-key: ${{ secrets.CSM_RELEASE_APP_PRIVATE_KEY }}

      # Must enable "allow GitHub Actions to create pull requests" setting
      # Author defaults to the user who triggered the workflow run
      - name: Create pull request
        uses: peter-evans/create-pull-request@v7
        with:
          token: ${{ steps.generate-token.outputs.token }}
          branch: "updateImage-${{ env.version_value }}"
          commit-message: "Update image version to ${{ env.version_value }} and release version to ${{ env.release_value }}"
          title: "Update image version to ${{ env.version_value }} and release version to ${{ env.release_value }}"
          body: |
            Image version updated to ${{ env.version_value }}
            Auto-generated by [common-github-actions](https://github.com/dell/common-github-actions)
          sign-commits: true
          delete-branch: true