---
# Auto-generate issues for EOL of platforms that are approaching their EOL date.
# Uses https://endoflife.date and their new API to check for EOL dates.
#
# Issues are created when the EOL date is within the next 30 days.
name: Check Platform EOL
on:  # Run weekly and whenever manually triggered
  schedule:
    - cron: '0 3 * * 1'
  workflow_dispatch: null
concurrency:  # Simple single-instance concurrency.
  group: eol-check-${{ github.repository }}
  cancel-in-progress: true
jobs:
  # Prepare the build matrix.
  # This uses output from .github/scripts/gen-matrix-eol-check.py
  matrix:
    name: Prepare Build Matrix
    runs-on: ubuntu-latest
    outputs:
      matrix: ${{ steps.set-matrix.outputs.matrix }}
    steps:
      - name: Checkout
        id: checkout
        uses: actions/checkout@v4
      - name: Prepare tools
        id: prepare
        run: |
          sudo apt-get update || true
          sudo apt-get install -y python3-ruamel.yaml
      - name: Read build matrix
        id: set-matrix
        run: |
          matrix="$(.github/scripts/gen-matrix-eol-check.py)"
          echo "Generated matrix: ${matrix}"
          echo "matrix=${matrix}" >> "${GITHUB_OUTPUT}"
      - name: Failure Notification
        uses: rtCamp/action-slack-notify@v2
        env:
          SLACK_COLOR: 'danger'
          SLACK_FOOTER: ''
          SLACK_ICON_EMOJI: ':github-actions:'
          SLACK_TITLE: 'Failed to generate build matrix for platform EOL checks:'
          SLACK_USERNAME: 'GitHub Actions'
          SLACK_MESSAGE: |-
              ${{ github.repository }}: Build matrix generation for scheduled platform EOL check has failed:
              Checkout: ${{ steps.checkout.outcome }}
              Prepare Tools: ${{ steps.prepare.outcome }}
              Read Build Matrix: ${{ steps.set-matrix.outcome }}
          SLACK_WEBHOOK: ${{ secrets.SLACK_WEBHOOK_URL }}
        if: >-
          ${{
            failure()
            && github.event_name == 'schedule'
            && github.repository == 'netdata/netdata'
          }}

  eol-check:
    name: EOL Check
    runs-on: ubuntu-latest
    needs:
      - matrix
    strategy:
      matrix: ${{ fromJson(needs.matrix.outputs.matrix) }}
      fail-fast: false  # We want to check everything, so don’t bail on the first failure.
      max-parallel: 2  # Cap of two jobs at a time to limit impact on other CI.
    steps:
      - name: Checkout
        id: checkout
        uses: actions/checkout@v4
      # Actually check the EOL date for the platform.
      - name: Check EOL Date
        id: check
        shell: sh {0}
        run: |
          d="$(.github/scripts/platform-impending-eol.py ${{ matrix.distro }} ${{ matrix.release }} ${{ matrix.lts }})"
          case $? in
            0) echo "pending=false" >> "${GITHUB_OUTPUT}" ;;
            1)
              echo "pending=true" >> "${GITHUB_OUTPUT}"
              echo "date=${d}" >> "${GITHUB_OUTPUT}"
              ;;
            2)
              echo "pending=false" >> "${GITHUB_OUTPUT}"
              echo "::info::No EOL information found for ${{ matrix.full_name }}"
              ;;
            *)
              echo "::error::Failed to check EOL date for ${{ matrix.full_name }}"
              exit 1
              ;;
          esac
      # Figure out the issue title.
      # This is it’s own step so we only have to set it in one place.
      - name: Determine Issue Title
        id: title
        if: steps.check.outputs.pending == 'true'
        run: |
          echo "title=[Platform EOL]: ${{ matrix.full_name }} will be EOL soon." >> "${GITHUB_OUTPUT}"
      # Check if there is an existing issue in the repo for the platform EOL.
      # The actual command line to make the check is unfortunately
      # complicated because GitHub thinks that it’s sensible to exit
      # with a status of 0 if there are no results for a search.
      - name: Check for Existing Issue
        id: existing
        if: steps.check.outputs.pending == 'true'
        env:
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        run: |
          set -e
          count=$(gh issue list -R netdata/netdata -s all -S '${{ steps.title.outputs.title }} in:title' --json 'id' -q '. | length')
          if [ "${count}" -ge 1 ]; then
            echo 'exists=true' >> "${GITHUB_OUTPUT}"
          else
            echo 'exists=false' >> "${GITHUB_OUTPUT}"
          fi
      # If the platform is near EOL and there is no existing issue, create one.
      - name: Create EOL Issue
        id: create-issue
        if: steps.check.outputs.pending == 'true' && steps.existing.outputs.exists == 'false'
        uses: imjohnbo/issue-bot@v3
        with:
          assignees: Ferroin
          labels: area/packaging, needs triage
          title: ${{ steps.title.outputs.title }}
          body: |
            Based on information from https://endoflife.date/${{ matrix.distro }}, upstream support for ${{ matrix.full_name }} will be ending on ${{ steps.check.outputs.date }}. A PR should be created to remove this platform from our platform support document, CI, and packaging code.

            - [ ] Remove platform from `packaging/PLATFORM_SUPPORT.md`
            - [ ] Remove platform from `.github/data/distros.yml`
            - [ ] Remove platform package builder from helper-images repo (if applicable).
            - [ ] Verify any other platform support code that needs to be cleaned up.
      # Send a notification to Slack if a job failed.
      - name: Failure Notification
        uses: rtCamp/action-slack-notify@v2
        env:
          SLACK_COLOR: 'danger'
          SLACK_FOOTER: ''
          SLACK_ICON_EMOJI: ':github-actions:'
          SLACK_TITLE: 'Platform EOL check failed:'
          SLACK_USERNAME: 'GitHub Actions'
          SLACK_MESSAGE: |-
              ${{ github.repository }}: A scheduled check for the EOL status of ${{ matrix.full_name }} has failed.
              Checkout: ${{ steps.checkout.outcome }}
              Check EOL Status: ${{ steps.check.outcome }}
              Generate Issue Title: ${{ steps.title.outcome }}
              Check for Existing Issue: ${{ steps.existing.outcome }}
              Create Issue: ${{ steps.create-issue.outcome }}
          SLACK_WEBHOOK: ${{ secrets.SLACK_WEBHOOK_URL }}
        if: >-
          ${{
            failure()
            && github.event_name == 'schedule'
            && github.repository == 'netdata/netdata'
          }}
