name: Run Nightly Benchmark
run-name: Benchmark ${{ inputs.n8n_tag || 'nightly' }}

on:
  schedule:
    - cron: '0 2 * * *'
  workflow_dispatch:
    inputs:
      debug:
        description: 'Use debug logging'
        required: true
        default: 'false'
      n8n_tag:
        description: 'Name of the n8n docker tag to run the benchmark against.'
        required: true
        default: 'nightly'
      benchmark_tag:
        description: 'Name of the benchmark cli docker tag to run the benchmark with.'
        required: true
        default: 'latest'

env:
  ARM_CLIENT_ID: ${{ secrets.BENCHMARK_ARM_CLIENT_ID }}
  ARM_SUBSCRIPTION_ID: ${{ secrets.BENCHMARK_ARM_SUBSCRIPTION_ID }}
  ARM_TENANT_ID: ${{ secrets.BENCHMARK_ARM_TENANT_ID }}
  K6_API_TOKEN: ${{ secrets.K6_API_TOKEN }}
  N8N_TAG: ${{ inputs.n8n_tag || 'nightly' }}
  N8N_BENCHMARK_TAG: ${{ inputs.benchmark_tag || 'latest' }}
  DEBUG: ${{ inputs.debug == 'true' && '--debug' || '' }}

permissions:
  id-token: write
  contents: read

jobs:
  build:
    runs-on: ubuntu-latest
    environment: benchmarking

    steps:
      - name: Checkout
        uses: actions/checkout@v4.1.1

      - uses: hashicorp/setup-terraform@v3
        with:
          terraform_version: '1.8.5'

      - run: corepack enable
      - uses: actions/setup-node@v4.0.2
        with:
          node-version: 20.x
          cache: pnpm

      - name: Install dependencies
        run: pnpm install --frozen-lockfile

      - name: Azure login
        uses: azure/login@v2.1.1
        with:
          client-id: ${{ env.ARM_CLIENT_ID }}
          tenant-id: ${{ env.ARM_TENANT_ID }}
          subscription-id: ${{ env.ARM_SUBSCRIPTION_ID }}

      - name: Destroy any existing environment
        run: pnpm destroy-cloud-env
        working-directory: packages/@n8n/benchmark

      - name: Provision the environment
        run: pnpm provision-cloud-env ${{ env.DEBUG }}
        working-directory: packages/@n8n/benchmark

      - name: Run the benchmark
        run: |
          pnpm benchmark-in-cloud \
            --vus 5 \
            --duration 1m \
            --n8nTag ${{ env.N8N_TAG }} \
            --benchmarkTag ${{ env.N8N_BENCHMARK_TAG }} \
            ${{ env.DEBUG }}
        working-directory: packages/@n8n/benchmark

        # We need to login again because the access token expires
      - name: Azure login
        uses: azure/login@v2.1.1
        with:
          client-id: ${{ env.ARM_CLIENT_ID }}
          tenant-id: ${{ env.ARM_TENANT_ID }}
          subscription-id: ${{ env.ARM_SUBSCRIPTION_ID }}

      - name: Destroy the environment
        if: always()
        run: pnpm destroy-cloud-env ${{ env.DEBUG }}
        working-directory: packages/@n8n/benchmark