versions-package-tools/.github/workflows/get-new-tool-versions.yml

# This reusable workflow is used by actions/*-versions repositories
# It is designed to check for new versions of a tool (Python, Node, etc.)
# The 'SLACK_CHANNEL_URL' secret must be added to the repository containing the caller workflow 
# in order to publish messages to Slack.
# The 'Get Available Tools Versions - Publishing Approval' environment must be created in the repository containing the caller workflow
# The 'trigger_builds' job requires manual approval
# The GITHUB_TOKEN secret is used to cancel and trigger workflow runs

name: Get new tool versions
on:
  workflow_call:
    inputs:
      tool-name:
        description: 'Name of the tool for which versions are searched'
        required: true
        type: string
      image-url:
        description: 'Tool image to be attached to Slack posts'
        required: true
        type: string
        
defaults:
  run:
    shell: pwsh

jobs:
  find_new_versions:
    name: Find new versions
    runs-on: ubuntu-latest
    outputs:
      versions_output: ${{ steps.Get_new_versions.outputs.TOOL_VERSIONS }}
    steps:
      - uses: actions/checkout@v3
        with:
          submodules: true

      - id: Get_new_versions
        name: Get new versions
        run: ./helpers/get-new-tool-versions/get-new-tool-versions.ps1 -ToolName ${{ inputs.tool-name }}

  check_new_versions:
    name: Check new versions
    runs-on: ubuntu-latest
    needs: find_new_versions
    env:
      TOOL_VERSIONS: ${{needs.find_new_versions.outputs.versions_output}}
    steps:
      - uses: actions/checkout@v3
        with:
          submodules: true

      - name: Check Versions
        if: env.TOOL_VERSIONS == ''
        run: |
          Write-Host "No new versions were found"
          Import-Module "./helpers/github/github-api.psm1"
          $gitHubApi = Get-GitHubApi -RepositoryFullName "$env:GITHUB_REPOSITORY" `
                                     -AccessToken "${{ secrets.GITHUB_TOKEN }}"
          $gitHubApi.CancelWorkflow("$env:GITHUB_RUN_ID")
          Start-Sleep -Seconds 60          
      
      - name: Send Slack notification
        run: |
          $pipelineUrl = "$env:GITHUB_SERVER_URL/$env:GITHUB_REPOSITORY/actions/runs/$env:GITHUB_RUN_ID"
          $message = "The following versions of '${{ inputs.tool-name }}' are available to upload: ${{ env.TOOL_VERSIONS }}\nLink to the pipeline: $pipelineUrl"
          ./helpers/get-new-tool-versions/send-slack-notification.ps1 -Url "${{ secrets.SLACK_CHANNEL_URL }}" `
                                                                      -ToolName "${{ inputs.tool-name }}" `
                                                                      -ImageUrl "${{ inputs.image-url }}" `
                                                                      -Text "$message"          
  trigger_builds:
    name: Trigger builds
    runs-on: ubuntu-latest
    needs: [find_new_versions, check_new_versions]
    env:
      TOOL_VERSIONS: ${{needs.find_new_versions.outputs.versions_output}}
    environment: Get Available Tools Versions - Publishing Approval
    steps:
      - uses: actions/checkout@v3
        with:
          submodules: true

      - name: Trigger "Build ${{ inputs.tool-name }} packages" workflow
        run: |
          $workflowFileName = "build-${{ inputs.tool-name }}-packages.yml".ToLower()
          ./helpers/github/run-ci-builds.ps1 -RepositoryFullName "$env:GITHUB_REPOSITORY" `
                                             -AccessToken "${{ secrets.GITHUB_TOKEN }}" `
                                             -WorkflowFileName "$workflowFileName" `
                                             -WorkflowDispatchRef "main" `
                                             -ToolVersions "${{ env.TOOL_VERSIONS }}" `
                                             -PublishReleases "true"          

  check_build:
    name: Check build for failures 
    runs-on: ubuntu-latest
    needs: [find_new_versions, check_new_versions, trigger_builds]
    if: failure()
    steps:
      - uses: actions/checkout@v3
        with:
          submodules: true

      - name: Send Slack notification if build fails
        run: |
          $pipelineUrl = "$env:GITHUB_SERVER_URL/$env:GITHUB_REPOSITORY/actions/runs/$env:GITHUB_RUN_ID"
          $message = "The build of the '${{ inputs.tool-name }}' detection pipeline failed :progress-error:\nLink to the pipeline: $pipelineUrl"
          ./helpers/get-new-tool-versions/send-slack-notification.ps1 -Url "${{ secrets.SLACK_CHANNEL_URL }}" `
                                                                      -ToolName "${{ inputs.tool-name }}" `
                                                                      -Text "$message" `
                                                                      -ImageUrl "${{ inputs.image-url }}"