update_instrumentation_dependencies.yaml

name: Check for new instrumentation versions

# Description:
# This workflow is responsible for checking for new versions of Splunk instrumentation libraries
# used in operator based auto-instrumentation and updating the values.yaml if necessary.

on:
  schedule:
    # Run every 12th hour at minute 45 past.
    - cron: "45 */12 * * *"
  workflow_dispatch:
    inputs:
      DEBUG_MODE:
        description: 'Enable debug mode'
        required: false
        default: 'false'

env:
  VALUES_YAML: helm-charts/splunk-otel-collector/values.yaml
  LATEST_API: https://api.github.com/repos/signalfx/splunk-otel-{lang}/releases/latest

jobs:
  maybe_update:
    runs-on: ubuntu-latest
    strategy:
      matrix:
        # Add languages that require version updates here
        language: ['java', 'nodejs']
    steps:
      - uses: actions/checkout@v4

      - name: Update Version
        id: swizzle_version
        run: |
          echo "Update Splunk Operator Instrumentation for ${{ matrix.language }}"

          # Set debug argument if DEBUG_MODE is true
          DEBUG_ARG=""
          if [ "${{ github.event.inputs.DEBUG_MODE }}" == "true" ]; then
            DEBUG_ARG="--debug"
          fi

          # Run the update script and handle errors
          ./ci_scripts/update-images-operator-splunk.sh ${{ matrix.language }} $DEBUG_ARG || exit 1

          # Check if an update is needed
          if [ "$NEED_UPDATE" -eq 0 ]; then
            echo "No updates detected. Exiting."
            exit 0
          fi

          echo "Rendering chart template..."
          make render

          echo "Displaying current git diff..."
          git --no-pager diff
      - name: PR the new version
        if: ${{ steps.swizzle_version.outputs.NEED_UPDATE == 1 }}
        uses: peter-evans/create-pull-request@v5
        with:
          commit-message: Update ${{ matrix.language }} instrumentation version
          title: Update ${{ matrix.language }} instrumentation version to ${{ steps.swizzle_version.outputs.LATEST_VER }}
          body: Use the new version of the ${{ matrix.language }} instrumentation
          branch: "update-${{ matrix.language }}-${{ steps.swizzle_version.outputs.LATEST_VER }}"
          base: main
          delete-branch: true
          modify-outputs: false