name: Load Smoke

# PR-tier liveness check. Verifies the k6 load harness still builds and a
# single happy-path iteration runs against a freshly built server.
# NO regression gate — that's the nightly workflow's job.

on:
  pull_request:
    branches: [ main, dev ]
    paths:
      - 'tests/load/**'
      - 'src/**'
      - 'Cargo.toml'
      - 'Cargo.lock'
      - 'migrations/**'
      - '.github/workflows/load-smoke.yml'
  workflow_dispatch:

env:
  CARGO_TERM_COLOR: always
  # `.cargo/config.toml` sets `-C target-cpu=native` for dev speed, but
  # GitHub-hosted runners are a heterogeneous pool — cached rlibs / proc-
  # macro dylibs baked with AVX-512 on one runner crash with SIGILL when
  # rustc dlopens them on a leaner one. Env RUSTFLAGS fully replaces the
  # config.toml value (they don't merge), so pinning to `x86-64-v3` here
  # (AVX2 baseline — every GHA runner has it) makes cached artifacts
  # portable across the pool without touching local dev.
  RUSTFLAGS: "-C target-cpu=x86-64-v3"

jobs:
  smoke:
    name: k6 smoke (load harness)
    runs-on: ubuntu-latest
    timeout-minutes: 15
    steps:
      - uses: actions/checkout@v4

      - uses: dtolnay/rust-toolchain@stable

      - uses: Swatinem/rust-cache@v2
        with:
          # Bumped suffix busts any existing cache poisoned with native-CPU
          # ISA from a prior build (see RUSTFLAGS note above).
          shared-key: load-v2

      - name: Install k6
        uses: grafana/setup-k6-action@v1

      - name: Build OxiCloud (debug)
        run: cargo build --bin oxicloud

      - name: Run smoke scenario
        run: bash tests/load/smoke.sh
        env:
          BUILD_TARGET: debug