alert_resource_costs.yml

name: Alert Resource Costs

on:
  schedule:
    - cron: '0 19 * * *' # Run daily at 7:00 PM UTC/3:00 PM EST

env:
  ALERT_THRESHOLD: 60
  GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}

jobs:
  alert_costs:
    strategy:
      fail-fast: false
      matrix:
        rg: [prime-data-hub-demo1, prime-data-hub-demo2, prime-data-hub-demo3]
    runs-on: ubuntu-latest

    steps:
      - name: Check out changes
        uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332

      - name: Login into Azure
        uses: ./.github/actions/vpn-azure
        with:
          sp-creds: ${{ secrets.SERVICE_PRINCIPAL_CREDS }}

      - name: Run Az Cost CLI
        id: az-cost
        uses: ./.github/actions/az-cost
        with:
          rg: ${{ matrix.rg }}
          days_ago: 1
          total_format: summary

      - name: Get Last Pusher and Last Change Date
        id: last-pusher
        run: |
          branch_name=$(echo "${{ matrix.rg }}" | sed 's/prime-data-hub-//')
          last_pusher=$(gh api repos/CDCgov/prime-reportstream/commits/$branch_name --jq '.author.login')
          last_change_date=$(gh api repos/CDCgov/prime-reportstream/commits/$branch_name --jq '.commit.author.date')
          echo "username=$last_pusher" >> $GITHUB_OUTPUT
          echo "last_change_date=$last_change_date" >> $GITHUB_OUTPUT

      - name: Check Environment Age
        id: env-age
        run: |
          current_date=$(date +%s)
          last_change_date=$(date -d "${{ steps.last-pusher.outputs.last_change_date }}" +%s)
          age_in_days=$(( (current_date - last_change_date) / 86400 ))
          echo "age_in_days=$age_in_days" >> $GITHUB_OUTPUT

      - name: Slack Notification
        if: ${{ fromJSON(steps.az-cost.outputs.result) > fromJSON(env.ALERT_THRESHOLD) && fromJSON(steps.env-age.outputs.age_in_days) > 2 }}
        uses: ./.github/actions/notifications
        with:
          method: slack
          title: Azure Costs
          message: |
            Resource Group \`${{ matrix.rg }}\` is exceeding the cost threshold and is ${{ steps.env-age.outputs.age_in_days }} days old.
            If still running and no longer needed, please [destroy](https://github.com/CDCgov/prime-reportstream/actions/workflows/destroy_demo_environment.yml).
            
            * **Cost per day: 💲${{ steps.az-cost.outputs.result }}**
            * **Provisioned by: \`${{ steps.last-pusher.outputs.username }}\`**
            * **Last Change Date: \`${{ steps.last-pusher.outputs.last_change_date }}\`**
          icon-emoji: ':money_with_wings:'
          channel: prime-reportstream-engineering
          webhook-url: ${{ secrets.SLACK_WEBHOOK_URL }}
          color: failure
          slackify-markdown: true