This guide shows how to manage LoadForge tests and run them automatically from GitHub using the CLI. It covers repo layout, required secrets, and sample workflows.

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Repo layout

Tests live under tests/<slug>/: 
tests/<slug>/
  locustfile.py
  config.json
config.json fields managed by the CLI: 
{
  "users": 200,
  "rate": 1,
  "servers": 2,
  "host": "https://example.com:443",
  "apdex_target": 300,
  "p95_target": 600,
  "error_perc_target": 0,
  "region_servers": { "nyc3": 1, "sfo3": 1 }
}
Notes:
  • Slug is the unique test name.
  • host is protocol+hostname+port; the CLI resolves/creates the Host and sends host_id.
  • New tests require region present on create; for updates, region defaults to remote if omitted.
  • Only test_type = "load" is supported for pull/push currently.

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Required secret

Add to your repo or org secrets:
  • API_KEY: your LoadForge API key (used as env var API_KEY).
References: Introduction, List Hosts, List Tests, Update Test, Start Run, Get Result

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Install method in CI

Use npx (no install step needed; both aliases work): 
npx loadforge-cli --help
# or
npx lf-cli --help
Or cache node_modules and install once: 
npm ci
npx loadforge-cli --help

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Workflow: sync configs on push to main

Sync local configs and locustfiles to LoadForge when PRs are merged. Creates new tests and updates existing ones by slug; optionally prunes remote tests not present locally. 
name: Sync LoadForge tests

on:
  push:
    branches: [ main ]

jobs:
  sync:
    runs-on: ubuntu-latest
    permissions:
      contents: read
    steps:
      - uses: actions/checkout@v4

      - uses: actions/setup-node@v4
        with:
          node-version: 20

      - name: Push tests to LoadForge
        env:
          API_KEY: ${{ secrets.API_KEY }}
        run: |
          npx loadforge-cli push --dir tests --dry-run=false --allow-create --allow-delete
Behavior:
  • Intersection (same slug) → PATCH
  • Local-only → create (with --allow-create)
  • Remote-only → delete/prune (with --allow-delete)
  • Extended fields are attempted; if rejected, the CLI falls back to base fields.

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Workflow: drift check (no changes)

Detect drift between main and LoadForge without making changes. 
name: LoadForge drift check

on:
  pull_request:
    branches: [ main ]

jobs:
  check:
    runs-on: ubuntu-latest
    permissions:
      contents: read
    steps:
      - uses: actions/checkout@v4
      - uses: actions/setup-node@v4
        with:
          node-version: 20
      - name: Dry run push (no changes)
        env:
          API_KEY: ${{ secrets.API_KEY }}
        run: |
          npx loadforge-cli push --dir tests --dry-run

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Workflow: run tests on demand (matrix by slug)

Start runs and wait for completion. The wait command exits with:
  • 0: run_status=3 and run_passed=true
  • 2: run_status=3 and run_passed=false (explanation printed)
  • 1: run_status>=4 (failure reason printed)
name: LoadForge run (matrix)

on:
  workflow_dispatch:
    inputs:
      duration:
        description: Minutes (>=2)
        required: true
        default: '5'

jobs:
  run:
    runs-on: ubuntu-latest
    strategy:
      matrix:
        slug: [ lf-website ] # add more slugs here
    steps:
      - uses: actions/checkout@v4
      - uses: actions/setup-node@v4
        with:
          node-version: 20

      - name: Start run
        id: start
        env:
          API_KEY: ${{ secrets.API_KEY }}
        run: |
          RUN_ID=$(npx loadforge-cli start "${{ matrix.slug }}" -d "${{ github.event.inputs.duration }}")
          echo "RUN_ID=$RUN_ID" >> $GITHUB_OUTPUT

      - name: Wait for result
        env:
          API_KEY: ${{ secrets.API_KEY }}
        run: |
          npx loadforge-cli wait "${{ steps.start.outputs.RUN_ID }}"
Use the exit code to fail the job if the run failed to execute or if it completed but did not pass thresholds (apdex/error%/p95).

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Workflow: nightly scheduled runs

name: Nightly LoadForge runs

on:
  schedule:
    - cron: '0 2 * * *' # 02:00 UTC daily

jobs:
  nightly:
    runs-on: ubuntu-latest
    strategy:
      matrix:
        slug: [ lf-website ] # extend as needed
    steps:
      - uses: actions/checkout@v4
      - uses: actions/setup-node@v4
        with:
          node-version: 20

      - name: Start and wait
        env:
          API_KEY: ${{ secrets.API_KEY }}
        run: |
          RUN_ID=$(npx loadforge-cli start "${{ matrix.slug }}" -d 5)
          npx loadforge-cli wait "$RUN_ID"

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Hosts management via config.host

  • Specify a host string in config.json, e.g., "host": "https://example.com:443".
  • On push, the CLI resolves to an existing Host (protocol/url/port match) or creates one if missing, and sends host_id automatically.
  • No need to store host IDs in git.

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Pulling from LoadForge

To bootstrap or refresh local files: 
npx loadforge-cli pull --out tests
This writes tests/<slug>/locustfile.py and tests/<slug>/config.json for all load tests. It writes host strings by resolving host_id via the Hosts API.

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Creating new tests (local scaffold)

Create a new test folder (interactive or via flags). Then push with --allow-create to create it remotely. 
# Interactive
npx loadforge-cli create

# Non-interactive
npx loadforge-cli create --name my-test --users 50 --host https://example.com:443
npx loadforge-cli push --allow-create

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References

  • Intro/Auth: /api-reference/introduction
  • Hosts (list): /api-reference/endpoint/hosts-list
  • Tests (list): /api-reference/endpoint/tests-list
  • Tests (update): /api-reference/endpoint/tests-update
  • Run (start): /api-reference/endpoint/run-start
  • Result (get): /api-reference/endpoint/result-get