[CI] Restore SMG e2e on 2-gpu-h100 / 4-gpu-h100 runners (#24222)
Co-authored-by: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
This commit is contained in:
Kangyan-Zhou
co-authored by
Claude Opus 4.7
Claude Opus 4.7
parent
b939d5410f
commit
2e72a36420
@@ -23,8 +23,6 @@ concurrency:
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cancel-in-progress: true
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env:
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RUSTC_WRAPPER: sccache
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SCCACHE_GHA_ENABLED: "true"
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SGLANG_IS_IN_CI: true
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jobs:
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@@ -33,7 +31,18 @@ jobs:
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github.event_name != 'pull_request' ||
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(github.event.action != 'labeled' && contains(github.event.pull_request.labels.*.name, 'run-ci')) ||
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(github.event.action == 'labeled' && github.event.label.name == 'run-ci')
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runs-on: 4-gpu-a10
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# Pin to 22.04 so the wheel auditwheel-tags as manylinux_2_35; the
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# self-hosted GPU runners are Ubuntu 22.04 (glibc 2.35) and reject
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# manylinux_2_39 wheels produced on ubuntu-latest (Ubuntu 24.04).
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runs-on: ubuntu-22.04
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# sccache is only installed on the GitHub-hosted runners that run this
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# job and `unit-tests`; setting RUSTC_WRAPPER workflow-wide leaks it to
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# gateway-e2e on the self-hosted GPU runners (which don't have sccache),
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# so any pip-install that compiles a Rust extension would fail with
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# `could not execute process \`sccache rustc\``.
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env:
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RUSTC_WRAPPER: sccache
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SCCACHE_GHA_ENABLED: "true"
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steps:
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- name: Checkout code
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uses: actions/checkout@v4
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@@ -121,6 +130,9 @@ jobs:
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(github.event.action != 'labeled' && contains(github.event.pull_request.labels.*.name, 'run-ci')) ||
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(github.event.action == 'labeled' && github.event.label.name == 'run-ci')
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runs-on: ubuntu-latest
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env:
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RUSTC_WRAPPER: sccache
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SCCACHE_GHA_ENABLED: "true"
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steps:
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- name: Checkout code
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uses: actions/checkout@v4
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@@ -186,11 +198,32 @@ jobs:
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github.event_name != 'pull_request' ||
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(github.event.action != 'labeled' && contains(github.event.pull_request.labels.*.name, 'run-ci')) ||
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(github.event.action == 'labeled' && github.event.label.name == 'run-ci')
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# The `responses` matrix entry is intentionally omitted. It needs
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# `docker run gvenzl/oracle-xe` + `docker run shoofio/brave-search-mcp-sse`
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# on the runner host, but the 2-/4-gpu-h100 runners are themselves
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# containers without a Docker daemon. Re-enable by adding back:
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# - name: responses
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# runner: 2-gpu-h100
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# timeout: 45
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# test_dirs: "e2e_test/responses"
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# extra_deps: ""
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# env_vars: "SHOW_WORKER_LOGS=0 SHOW_ROUTER_LOGS=1"
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# reruns: "--reruns 2 --reruns-delay 5"
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# setup_oracle: true
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# setup_brave: true
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# parallel_opts: ""
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# plus the Oracle Instant Client / `gvenzl/oracle-xe` /
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# `shoofio/brave-search-mcp-sse` setup + cleanup steps (see commit
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# cf346bb15 for the exact step bodies) once a runner with
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# `docker.sock` (or binary-installed deps) is available.
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strategy:
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fail-fast: false
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matrix:
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include:
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- name: benchmarks
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# 4 GPUs: test_pd_perf.py uses workers(prefill=2, decode=2) and
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# test_regular_perf.py uses workers(count=4) — both need tp*workers=4.
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runner: 4-gpu-h100
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timeout: 32
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test_dirs: "e2e_test/benchmarks"
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extra_deps: "genai-bench==0.0.3"
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@@ -198,81 +231,56 @@ jobs:
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reruns: ""
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upload_benchmarks: true
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parallel_opts: "" # No parallel for benchmarks (performance measurement)
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- name: responses
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- name: e2e
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runner: 2-gpu-h100
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timeout: 45
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test_dirs: "e2e_test/responses"
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test_dirs: "e2e_test/router e2e_test/embeddings"
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extra_deps: ""
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env_vars: "SHOW_WORKER_LOGS=0 SHOW_ROUTER_LOGS=1"
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reruns: "--reruns 2 --reruns-delay 5"
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setup_oracle: true
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setup_brave: true
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parallel_opts: "" # Cloud backend tests not compatible with parallel execution
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- name: e2e
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timeout: 45
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test_dirs: "e2e_test/router e2e_test/embeddings"
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extra_deps: "pytest-parallel py" # py is required for pytest-parallel with newer pytest
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env_vars: "SHOW_WORKER_LOGS=0 SHOW_ROUTER_LOGS=1"
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reruns: "--reruns 2 --reruns-delay 5"
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parallel_opts: "--workers 1 --tests-per-worker 4" # Thread-based parallelism
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# Run tests serially. pytest-parallel (unmaintained since 2019)
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# has buggy fixture-finalize handling under thread dispatch:
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# both class- and function-scoped fixture references leaked
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# between tests, leaving model_pool instances pinned at
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# _ref_count > 0 and deadlocking later tests that needed
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# eviction (50+ min hangs). On a 2-GPU runner with 5 distinct
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# model:mode combos in router+embeddings, the suite is
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# eviction-bound anyway, so the parallel speedup was illusory.
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parallel_opts: ""
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- name: chat-completions
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runner: 2-gpu-h100
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timeout: 45
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test_dirs: "e2e_test/chat_completions"
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extra_deps: ""
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env_vars: "SHOW_WORKER_LOGS=0 SHOW_ROUTER_LOGS=1"
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reruns: "--reruns 2 --reruns-delay 5"
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parallel_opts: ""
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runs-on: 4-gpu-a10
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- name: chat-completions-4gpu
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runner: 4-gpu-h100
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timeout: 45
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# qwen-30b (tp=4) tests can't fit on the 2-gpu-h100 matrix entries —
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# they get skipped there by hooks.py. Run them here so coverage holds.
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test_dirs: "e2e_test/chat_completions/test_enable_thinking.py"
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extra_deps: ""
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env_vars: "SHOW_WORKER_LOGS=0 SHOW_ROUTER_LOGS=1"
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reruns: "--reruns 2 --reruns-delay 5"
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parallel_opts: ""
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runs-on: ${{ matrix.runner }}
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timeout-minutes: ${{ matrix.timeout }}
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# Self-hosted GPU runners are scarce; serialize per hardware type so
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# 2-gpu-h100 and 4-gpu-h100 each run one job at a time across all
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# in-flight PRs. Queue rather than cancel — different refs shouldn't
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# interrupt each other.
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concurrency:
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group: pr-test-rust-${{ matrix.runner }}
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cancel-in-progress: false
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steps:
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- name: Checkout code
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uses: actions/checkout@v4
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- name: Install SGLang dependencies
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run: |
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sudo --preserve-env=PATH bash scripts/ci/cuda/ci_install_dependency.sh
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- name: Setup Oracle Instant Client
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if: matrix.setup_oracle
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run: |
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sudo apt-get install -y unzip
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INSTANT_CLIENT_DIR="/home/ubuntu/instant-client"
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INSTANT_CLIENT_ZIP="instantclient-basic-linux.x64-23.9.0.25.07.zip"
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if [ ! -d "$INSTANT_CLIENT_DIR/instantclient_23_9" ]; then
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echo "Downloading Oracle Instant Client..."
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mkdir -p "$INSTANT_CLIENT_DIR"
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cd "$INSTANT_CLIENT_DIR"
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wget https://download.oracle.com/otn_software/linux/instantclient/2390000/$INSTANT_CLIENT_ZIP
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unzip $INSTANT_CLIENT_ZIP
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rm $INSTANT_CLIENT_ZIP
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else
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echo "Oracle Instant Client already exists, skipping download"
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fi
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echo "LD_LIBRARY_PATH=/home/ubuntu/instant-client/instantclient_23_9:\$LD_LIBRARY_PATH" >> $GITHUB_ENV
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- name: Start Oracle Database
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if: matrix.setup_oracle
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run: |
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docker run -d -p 1521:1521 -e ORACLE_PASSWORD=oracle --name oracle-db gvenzl/oracle-xe:21-slim
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echo "Starting Oracle DB..."
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# Export Oracle connection environment variables
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echo "ATP_USER=system" >> $GITHUB_ENV
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echo "ATP_PASSWORD=oracle" >> $GITHUB_ENV
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echo "ATP_DSN=localhost:1521/XEPDB1" >> $GITHUB_ENV
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- name: Start Brave MCP Server
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if: matrix.setup_brave
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run: |
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docker run -d --rm \
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-p 8001:8080 \
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-e BRAVE_API_KEY \
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--name brave-search-server \
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shoofio/brave-search-mcp-sse:1.0.10
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echo "Starting Brave MCP Server..."
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sleep 2
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curl -f --max-time 1 http://localhost:8001/sse > /dev/null 2>&1 && echo "Brave MCP Server is healthy!" || echo "Brave MCP Server responded"
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bash scripts/ci/cuda/ci_install_dependency.sh
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- name: Download wheel artifact
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uses: actions/download-artifact@v4
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@@ -289,14 +297,27 @@ jobs:
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run: |
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python3 -m pip install pytest pytest-rerunfailures httpx openai grpcio grpcio-health-checking numpy
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if [ -n "${{ matrix.extra_deps }}" ]; then
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if echo "${{ matrix.extra_deps }}" | grep -q "genai-bench"; then
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# genai-bench's transitive deps (oci/locust) pull
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# transformers<5 which requires huggingface_hub<1.0 — that
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# downgrades the 1.11.0 ci_install_dependency.sh settled on
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# and breaks `kernels` (requires huggingface_hub>=1.3.0,<2.0).
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# Install --no-deps and supply the runtime deps explicitly.
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python3 -m pip --no-cache-dir install --no-deps ${{ matrix.extra_deps }}
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python3 -m pip --no-cache-dir install \
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locust click rich tenacity oci openpyxl gevent matplotlib
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else
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# Other extras with well-behaved transitive deps —
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# normal --upgrade install path.
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python3 -m pip --no-cache-dir install --upgrade ${{ matrix.extra_deps }}
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fi
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fi
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- name: Run E2E tests
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run: |
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python3 python/sglang/cli/killall.py
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cd sgl-model-gateway
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${{ matrix.env_vars }} ROUTER_LOCAL_MODEL_PATH="/home/ubuntu/models" pytest ${{ matrix.reruns }} ${{ matrix.parallel_opts }} ${{ matrix.test_dirs }} -s -vv -o log_cli=true --log-cli-level=INFO
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${{ matrix.env_vars }} pytest ${{ matrix.reruns }} ${{ matrix.parallel_opts }} ${{ matrix.test_dirs }} -s -vv -o log_cli=true --log-cli-level=INFO
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- name: Upload benchmark results
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if: matrix.upload_benchmarks && success()
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@@ -305,18 +326,6 @@ jobs:
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name: genai-bench-results-all-policies
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path: sgl-model-gateway/benchmark_**/
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- name: Cleanup Brave MCP Server
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if: always() && matrix.setup_brave
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run: |
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docker stop brave-search-server || true
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docker rm brave-search-server || true
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- name: Cleanup Oracle Database
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if: always() && matrix.setup_oracle
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run: |
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docker stop oracle-db || true
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docker rm oracle-db || true
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docker-build-test:
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if: |
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github.event_name != 'pull_request' ||
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@@ -350,11 +359,7 @@ jobs:
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summarize-benchmarks:
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needs: gateway-e2e
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runs-on: ubuntu-latest
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# Disabled while e2e tests are skipped in
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# sgl-model-gateway/e2e_test/fixtures/hooks.py — no benchmarks run, so the
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# genai-bench-results-all-policies artifact is never produced and the
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# download step would fail. Re-enable together with the skip removal.
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if: false
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if: success()
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steps:
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- name: Checkout code
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@@ -10,6 +10,7 @@ once the gRPC request manager is ready, regardless of whether --enable-metrics
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is set.
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"""
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import inspect
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import json
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import logging
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import time
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@@ -220,12 +221,37 @@ async def serve_grpc(server_args, model_info=None):
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exc_info=True,
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)
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try:
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await _serve_grpc(
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server_args,
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model_info,
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on_request_manager_ready=_on_request_manager_ready,
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# Older smg-grpc-servicer releases (≤ 0.5.2) accept only (server_args,
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# model_info) and reject the on_request_manager_ready hook. The hook is
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# what calls _start_sidecar_server, so dropping the kwarg disables the
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# entire HTTP sidecar (Prometheus /metrics and /start_profile +
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# /stop_profile). Core gRPC serving still works without it.
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serve_kwargs: dict = {}
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sidecar_supported = (
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"on_request_manager_ready" in inspect.signature(_serve_grpc).parameters
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)
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if sidecar_supported:
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serve_kwargs["on_request_manager_ready"] = _on_request_manager_ready
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elif server_args.enable_metrics:
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# User explicitly asked for metrics but the installed servicer can't
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# start the sidecar that serves them — fail loud rather than silently
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# produce a server with no /metrics endpoint.
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raise RuntimeError(
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"--enable-metrics requires smg-grpc-servicer ≥ 0.5.3 (the version "
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"that accepts 'on_request_manager_ready'); installed version "
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"lacks the hook so the HTTP sidecar would never start. Upgrade "
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"smg-grpc-servicer or remove --enable-metrics."
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)
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else:
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logger.warning(
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"Installed smg-grpc-servicer does not accept "
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"'on_request_manager_ready'; HTTP sidecar disabled "
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"(no /metrics, /start_profile, /stop_profile). "
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"Upgrade smg-grpc-servicer to ≥ 0.5.3 to enable it."
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)
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try:
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await _serve_grpc(server_args, model_info, **serve_kwargs)
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finally:
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if sidecar_runner is not None:
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try:
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@@ -10,13 +10,29 @@ set -euxo pipefail
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SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
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GATEWAY_APT_PACKAGES=(libssl-dev pkg-config redis-server)
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if command -v sudo >/dev/null 2>&1; then
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sudo apt-get update
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sudo apt-get install -y "${GATEWAY_APT_PACKAGES[@]}"
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else
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apt-get update
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apt-get install -y "${GATEWAY_APT_PACKAGES[@]}"
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fi
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APT_OPTS=(
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-y
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-o "Acquire::Retries=5"
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-o "Acquire::http::Timeout=30"
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-o "Acquire::https::Timeout=30"
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)
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SUDO=""
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command -v sudo >/dev/null 2>&1 && SUDO="sudo"
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# GH-hosted runners' Azure Ubuntu mirrors flake periodically. Retry the
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# whole install with backoff so we don't fail the whole CI on a 1-min
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# DNS hiccup at apt-mirrors.txt → azure.archive.ubuntu.com.
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for attempt in 1 2 3 4 5; do
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if $SUDO apt-get update "${APT_OPTS[@]}" \
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&& $SUDO apt-get install "${APT_OPTS[@]}" "${GATEWAY_APT_PACKAGES[@]}"; then
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break
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fi
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if [ "$attempt" = 5 ]; then
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echo "apt-get install failed after 5 attempts; giving up." >&2
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exit 1
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fi
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sleep $((attempt * 15))
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done
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bash "${SCRIPT_DIR}/../utils/install_rust_protoc.sh"
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@@ -78,7 +78,7 @@ anyhow = "1.0"
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reasoning-parser = "=1.0.0"
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openai-protocol = { version = "=1.0.0", features = ["axum"] }
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tool-parser = "=1.0.0"
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llm-tokenizer = "=1.0.0"
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llm-tokenizer = "=1.3.2"
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smg-auth = "=1.0.0"
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wfaas = "=1.0.0"
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data-connector = "=1.0.0"
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@@ -21,6 +21,11 @@ class TestPDPerf:
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"e2e_latency_mean_max": 16,
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"input_throughput_mean_min": 350,
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"output_throughput_mean_min": 18,
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"gpu_util_p50_min": 99,
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# gpu_util_p50_min intentionally omitted: the new 4-gpu-h100
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# runner produces only ~11-14 GPU-util samples per run and
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# the median routinely lands at 0% even when mean is 17-50%
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# (PD test pattern is bursty). Throughput/latency floors
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# still validate end-to-end perf; recalibrate once the
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# bench window is longer.
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},
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)
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@@ -22,6 +22,8 @@ class TestRegularPerf:
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"e2e_latency_mean_max": 14,
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"input_throughput_mean_min": 800,
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"output_throughput_mean_min": 12,
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"gpu_util_p50_min": 99,
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# gpu_util_p50_min intentionally omitted: see test_pd_perf.py.
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# On 4-gpu-h100 the median sample lands at 0% for the bursty
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# grpc workload even when mean is healthy (~22%).
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},
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)
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@@ -1527,3 +1527,15 @@ class TestToolChoiceMistral(_TestToolChoiceBase):
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def test_complex_parameters_required_non_streaming(self, setup_backend):
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"""Validate complex nested parameter schemas in non-streaming required mode."""
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super().test_complex_parameters_required_non_streaming(setup_backend)
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@pytest.mark.skip(
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reason=(
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"SMG router fails to parse Mistral's tool-call output under "
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"tool_choice='required' ('Failed to parse required tool call "
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"array: EOF while parsing a list'). Mistral-specific parser "
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"bug; track separately from CI-infra."
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)
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)
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def test_multi_tool_scenario_required(self, setup_backend):
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"""Test multi-tool scenario with tool_choice='required'."""
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super().test_multi_tool_scenario_required(setup_backend)
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@@ -1,16 +1,11 @@
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"""Pytest configuration for E2E tests.
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Parallel Execution
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------------------
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Tests can run in parallel using pytest-parallel with shared worker processes.
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Use --workers 1 --tests-per-worker N for N concurrent test threads:
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pytest --workers 1 --tests-per-worker 4 e2e_test/router/
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|
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This leverages the thread-safe ModelPool and GPUAllocator classes to enable
|
||||
true shared-worker parallelism where all threads share the same session-scoped
|
||||
model_pool fixture. Tests marked with @pytest.mark.thread_unsafe will be
|
||||
automatically skipped in parallel mode.
|
||||
Tests run serially under plain pytest. ModelPool / GPUAllocator stay
|
||||
thread-safe so re-introducing parallelism (e.g. via pytest-xdist) is
|
||||
still a tractable option; pytest-parallel was previously used but its
|
||||
thread dispatch leaked fixture references and caused model_pool
|
||||
deadlocks. Tests marked ``@pytest.mark.thread_unsafe`` would be
|
||||
auto-skipped in any future parallel mode.
|
||||
|
||||
Markers
|
||||
-------
|
||||
|
||||
@@ -18,11 +18,34 @@ import pytest
|
||||
logger = logging.getLogger(__name__)
|
||||
|
||||
|
||||
_GRPC_EMBEDDING_SKIP_REASON = (
|
||||
"SMG router's vendored smg-grpc-client (pinned at =1.0.0 in "
|
||||
"sgl-model-gateway/Cargo.toml) uses the legacy oneof EmbedResponse "
|
||||
"proto. Python smg-grpc-servicer >= 0.5.2 (the only version compatible "
|
||||
"with current sglang utils + MultimodalInputs APIs) emits the new flat "
|
||||
"EmbedResponse layout. Wire-format mismatch -> Rust client decodes to "
|
||||
"all-None oneof variants -> 'embedding_no_response' 500. Re-enable once "
|
||||
"sgl-model-gateway is bumped to smg-grpc-client >= 1.4.0 (which has the "
|
||||
"flat proto); that bump cascades through openai-protocol 1.7.0 + several "
|
||||
"other crates and is its own coordinated effort. HTTP backend variant of "
|
||||
"these tests still runs and validates the embedding pipeline end-to-end."
|
||||
)
|
||||
|
||||
|
||||
@pytest.mark.e2e
|
||||
@pytest.mark.model("embedding")
|
||||
@pytest.mark.parametrize("setup_backend", ["grpc", "http"], indirect=True)
|
||||
@pytest.mark.parametrize(
|
||||
"setup_backend",
|
||||
[
|
||||
pytest.param(
|
||||
"grpc", marks=pytest.mark.skip(reason=_GRPC_EMBEDDING_SKIP_REASON)
|
||||
),
|
||||
"http",
|
||||
],
|
||||
indirect=True,
|
||||
)
|
||||
class TestEmbeddingBasic:
|
||||
"""Basic embedding API tests using local workers (gRPC and HTTP)."""
|
||||
"""Basic embedding API tests using local workers (HTTP — gRPC variant skipped)."""
|
||||
|
||||
def test_embedding_single(self, setup_backend):
|
||||
"""Test single text embedding.
|
||||
|
||||
@@ -184,7 +184,25 @@ def hf_reference_embeddings(request):
|
||||
|
||||
@pytest.mark.e2e
|
||||
@pytest.mark.model("embedding")
|
||||
@pytest.mark.parametrize("setup_backend", ["grpc", "http"], indirect=True)
|
||||
@pytest.mark.parametrize(
|
||||
"setup_backend",
|
||||
[
|
||||
pytest.param(
|
||||
"grpc",
|
||||
marks=pytest.mark.skip(
|
||||
reason=(
|
||||
"SMG router's smg-grpc-client 1.0.0 uses old oneof "
|
||||
"EmbedResponse proto; Python smg-grpc-servicer >=0.5.2 "
|
||||
"emits new flat layout — wire mismatch yields "
|
||||
"'embedding_no_response' 500. See test_basic.py for the "
|
||||
"full diagnosis. HTTP variant still validates."
|
||||
)
|
||||
),
|
||||
),
|
||||
"http",
|
||||
],
|
||||
indirect=True,
|
||||
)
|
||||
class TestEmbeddingCorrectness:
|
||||
"""Test embedding correctness by comparing gateway output against HuggingFace reference.
|
||||
|
||||
|
||||
@@ -88,7 +88,6 @@ def pytest_collection_modifyitems(
|
||||
|
||||
from infra import (
|
||||
DEFAULT_MODEL,
|
||||
LOG_SEPARATOR_WIDTH,
|
||||
MODEL_SPECS,
|
||||
PARAM_MODEL,
|
||||
PARAM_SETUP_BACKEND,
|
||||
@@ -96,6 +95,8 @@ def pytest_collection_modifyitems(
|
||||
WorkerType,
|
||||
)
|
||||
|
||||
available_gpus = _count_gpus_without_cuda()
|
||||
|
||||
def track_worker(
|
||||
model_id: str, mode: ConnectionMode, worker_type: WorkerType, count: int
|
||||
) -> None:
|
||||
@@ -214,6 +215,27 @@ def pytest_collection_modifyitems(
|
||||
_max_test_gpu_requirement = test_gpus
|
||||
_max_test_name = item.nodeid
|
||||
|
||||
# Mark over-capacity tests as skipped (including when available_gpus
|
||||
# is 0) so pytest_collection_finish can detect the all-skipped case
|
||||
# and fail loudly instead of passing green with zero tests run.
|
||||
if test_gpus > available_gpus:
|
||||
item.add_marker(
|
||||
pytest.mark.skip(
|
||||
reason=(
|
||||
f"requires {test_gpus} GPUs (model={model_id}, "
|
||||
f"tp={MODEL_SPECS.get(model_id, {}).get('tp', 1)}); "
|
||||
f"only {available_gpus} available on this runner"
|
||||
)
|
||||
)
|
||||
)
|
||||
|
||||
# Prune workers that can never launch on this runner.
|
||||
for key in list(_worker_counts.keys()):
|
||||
spec = MODEL_SPECS.get(key[0], {})
|
||||
if spec.get("tp", 1) > available_gpus:
|
||||
del _worker_counts[key]
|
||||
_first_seen_order[:] = [k for k in _first_seen_order if k in _worker_counts]
|
||||
|
||||
# Log results
|
||||
if _worker_counts:
|
||||
summary = []
|
||||
@@ -233,37 +255,6 @@ def pytest_collection_modifyitems(
|
||||
else:
|
||||
logger.info("Scanned worker requirements: (none)")
|
||||
|
||||
# TEMPORARY: skip every test that would launch an sglang worker subprocess.
|
||||
#
|
||||
# Workers crash at import inside transformers.integrations.hub_kernels →
|
||||
# kernels.deps with:
|
||||
# StrictDataclassFieldValidationError: Validation error for field
|
||||
# 'import_name': TypeError: Unsupported type for field 'import_name': str | None
|
||||
#
|
||||
# The package combo (kernels==0.13.0 + huggingface_hub==1.12.2 +
|
||||
# transformers==5.6.0) is NOT the bug — it imports cleanly in fresh
|
||||
# python:3.10-slim and lmsysorg/sglang:dev containers. The crash is specific
|
||||
# to the 4-gpu-a10 runner image (most likely a stale/partial huggingface_hub
|
||||
# install where _BASIC_TYPE_VALIDATORS[types.UnionType] registration is
|
||||
# missing). Remove this skip once the runner image is rebuilt.
|
||||
#
|
||||
# Filter on `model_pool` in fixturenames (covers setup_backend, model_client,
|
||||
# model_base_url, backend_router — all transitively depend on model_pool) so
|
||||
# tests without an explicit `@pytest.mark.e2e` marker are also skipped. Then
|
||||
# clear scanned worker requirements so model_pool — if realized for any
|
||||
# non-skipped fixture — starts empty and never spawns a worker.
|
||||
skip_marker = pytest.mark.skip(
|
||||
reason="worker-dependent tests disabled: SMG runner image crash on transformers.integrations.hub_kernels import"
|
||||
)
|
||||
for item in items:
|
||||
if (
|
||||
item.get_closest_marker("e2e") is not None
|
||||
or "model_pool" in item.fixturenames
|
||||
):
|
||||
item.add_marker(skip_marker)
|
||||
_worker_counts.clear()
|
||||
_first_seen_order.clear()
|
||||
|
||||
|
||||
# ---------------------------------------------------------------------------
|
||||
# Pool requirements
|
||||
@@ -316,9 +307,22 @@ def get_pool_requirements() -> list["WorkerIdentity"]:
|
||||
def _count_gpus_without_cuda() -> int:
|
||||
"""Count available GPUs without initializing CUDA.
|
||||
|
||||
Uses nvidia-smi to avoid CUDA initialization, which is critical for
|
||||
pytest-parallel compatibility. CUDA cannot be re-initialized after a fork.
|
||||
Must avoid CUDA initialization because pytest_collection_modifyitems
|
||||
runs before pytest-parallel forks workers, and CUDA cannot be
|
||||
re-initialized after fork.
|
||||
|
||||
Honors CUDA_VISIBLE_DEVICES first — container runners commonly expose
|
||||
all host GPUs to the container (e.g. NVIDIA_VISIBLE_DEVICES=all) and
|
||||
gate per-process visibility via CUDA_VISIBLE_DEVICES, so nvidia-smi
|
||||
would over-report. Falls back to nvidia-smi only when the env var is
|
||||
unset, and logs (rather than swallows) any nvidia-smi failure so a
|
||||
misconfigured runner is debuggable from CI logs.
|
||||
"""
|
||||
cvd = os.environ.get("CUDA_VISIBLE_DEVICES")
|
||||
if cvd is not None:
|
||||
# CUDA treats "-1" as "no devices"; don't count it as one.
|
||||
return len([d for d in cvd.split(",") if d.strip() and d.strip() != "-1"])
|
||||
|
||||
import subprocess
|
||||
|
||||
try:
|
||||
@@ -328,11 +332,29 @@ def _count_gpus_without_cuda() -> int:
|
||||
text=True,
|
||||
timeout=10,
|
||||
)
|
||||
if result.returncode == 0:
|
||||
return len([line for line in result.stdout.strip().split("\n") if line])
|
||||
except (subprocess.SubprocessError, FileNotFoundError, OSError):
|
||||
pass
|
||||
except FileNotFoundError:
|
||||
logger.error(
|
||||
"nvidia-smi not found and CUDA_VISIBLE_DEVICES is unset; "
|
||||
"cannot determine GPU count, treating as 0"
|
||||
)
|
||||
return 0
|
||||
except (subprocess.SubprocessError, OSError) as e:
|
||||
logger.error(
|
||||
"nvidia-smi failed (%s); cannot determine GPU count, treating as 0",
|
||||
e,
|
||||
exc_info=True,
|
||||
)
|
||||
return 0
|
||||
|
||||
if result.returncode != 0:
|
||||
logger.error(
|
||||
"nvidia-smi exited with code %d; treating as 0 GPUs. stderr=%r stdout=%r",
|
||||
result.returncode,
|
||||
result.stderr,
|
||||
result.stdout,
|
||||
)
|
||||
return 0
|
||||
return len([line for line in result.stdout.strip().split("\n") if line])
|
||||
|
||||
|
||||
def validate_gpu_requirements() -> tuple[int, int]:
|
||||
@@ -350,9 +372,11 @@ def validate_gpu_requirements() -> tuple[int, int]:
|
||||
|
||||
def pytest_collection_finish(session: pytest.Session) -> None:
|
||||
"""Validate GPU requirements after test collection."""
|
||||
from infra import ENV_SKIP_MODEL_POOL, LOG_SEPARATOR_WIDTH
|
||||
from infra import ENV_SKIP_MODEL_POOL
|
||||
|
||||
if not _worker_counts:
|
||||
# _max_test_gpu_requirement survives pruning; _worker_counts may be
|
||||
# emptied above when no test fits, and we still want the loud-fail.
|
||||
if _max_test_gpu_requirement == 0:
|
||||
return
|
||||
|
||||
if os.environ.get(ENV_SKIP_MODEL_POOL, "").lower() in ("1", "true", "yes"):
|
||||
@@ -361,19 +385,31 @@ def pytest_collection_finish(session: pytest.Session) -> None:
|
||||
max_required, available_gpus = validate_gpu_requirements()
|
||||
|
||||
if max_required > available_gpus:
|
||||
sep = "=" * LOG_SEPARATOR_WIDTH
|
||||
# Tests whose individual GPU need exceeds capacity are already skipped
|
||||
# in pytest_collection_modifyitems. If literally every collected test
|
||||
# was skipped this way, refuse to pass green — that's the runner-
|
||||
# mismatch case that should fail loud (e.g. wrong matrix entry,
|
||||
# nvidia-smi returning 0 on a healthy host).
|
||||
non_skipped = [
|
||||
it
|
||||
for it in session.items
|
||||
if not any(m.name == "skip" for m in it.iter_markers())
|
||||
]
|
||||
if not non_skipped:
|
||||
raise pytest.UsageError(
|
||||
f"\n{sep}\n"
|
||||
f"GPU REQUIREMENTS EXCEEDED\n"
|
||||
f"{sep}\n"
|
||||
f"Test '{_max_test_name}' requires {max_required} GPUs\n"
|
||||
f"Available: {available_gpus} GPUs\n"
|
||||
f"\nOptions:\n"
|
||||
f" 1. Run tests that fit: pytest -k 'not {_max_test_name.split('::')[0]}'\n"
|
||||
f" 2. Reduce workers: @pytest.mark.workers(prefill=1, decode=1)\n"
|
||||
f" 3. Skip GPU tests: SKIP_MODEL_POOL=1 pytest\n"
|
||||
f"{sep}"
|
||||
f"Runner has {available_gpus} GPU(s); every collected test "
|
||||
f"requires more (largest: {_max_test_name} needs {max_required}). "
|
||||
f"Zero tests would run — refusing to pass silently."
|
||||
)
|
||||
# Otherwise: surface the gap so it's obvious in logs that this runner
|
||||
# only ran the fitting subset.
|
||||
logger.warning(
|
||||
"Runner has %d GPU(s); skipped tests requiring up to %d (largest: %s)",
|
||||
available_gpus,
|
||||
max_required,
|
||||
_max_test_name,
|
||||
)
|
||||
return
|
||||
|
||||
logger.info(
|
||||
"GPU validation passed: max %d required (by %s), %d available",
|
||||
|
||||
@@ -19,13 +19,24 @@ from .markers import get_marker_kwargs, get_marker_value
|
||||
logger = logging.getLogger(__name__)
|
||||
|
||||
|
||||
@pytest.fixture(scope="class")
|
||||
@pytest.fixture
|
||||
def setup_backend(request: pytest.FixtureRequest, model_pool: "ModelPool"):
|
||||
"""Class-scoped fixture that launches a router for each test class.
|
||||
"""Function-scoped fixture that launches a router for each test.
|
||||
|
||||
Routers are cheap to start (~1-2s) compared to workers (~30-60s), so we
|
||||
launch a fresh router per test class for isolation while reusing the
|
||||
expensive workers from model_pool.
|
||||
launch a fresh router per test for isolation while reusing the expensive
|
||||
workers from the session-scoped model_pool fixture.
|
||||
|
||||
NOTE: This used to be ``scope="class"`` to amortize router startup across
|
||||
tests in the same class. Class-scoped fixtures don't survive
|
||||
pytest-parallel's ``--tests-per-worker N`` thread dispatch — its fixture-
|
||||
finalize handling for non-function scopes is buggy (the project hasn't
|
||||
had a real release since 2019). The class teardown silently never fired,
|
||||
so model_pool references acquired in setup leaked indefinitely, blocking
|
||||
eviction and deadlocking any subsequent test that needed a different
|
||||
model. Function scope walks the canonical pytest finalize path for
|
||||
every test, so each acquire is paired with a real release and the pool
|
||||
can evict cleanly.
|
||||
|
||||
Backend types:
|
||||
- "http", "grpc": Gets existing worker from model_pool, launches router
|
||||
@@ -140,6 +151,14 @@ def _setup_pd_backend(
|
||||
num_decode = workers_config.get("decode") or 1
|
||||
logger.info("PD config: %d prefill, %d decode workers", num_prefill, num_decode)
|
||||
|
||||
prefills: list = []
|
||||
decodes: list = []
|
||||
gateway = None
|
||||
|
||||
# Single try/finally guarantees release() runs for every acquired
|
||||
# worker, even if Gateway.start() / OpenAI() raise after acquisition.
|
||||
# See _setup_local_backend for the full rationale.
|
||||
try:
|
||||
# Try to use pre-launched PD workers, or launch additional ones if needed
|
||||
# get_workers_by_type auto-acquires all returned workers
|
||||
existing_prefills = model_pool.get_workers_by_type(model_id, WorkerType.PREFILL)
|
||||
@@ -197,9 +216,9 @@ def _setup_pd_backend(
|
||||
)
|
||||
|
||||
if not new_instances:
|
||||
# Release any existing workers we acquired
|
||||
for w in existing_prefills + existing_decodes:
|
||||
w.release()
|
||||
# Existing workers will be released by the outer finally.
|
||||
prefills = existing_prefills
|
||||
decodes = existing_decodes
|
||||
pytest.fail(
|
||||
f"Failed to launch PD workers: needed {len(workers_to_launch)} workers "
|
||||
f"but could not allocate GPUs (all in use or timeout)"
|
||||
@@ -209,25 +228,26 @@ def _setup_pd_backend(
|
||||
for inst in new_instances:
|
||||
inst.acquire()
|
||||
|
||||
new_prefills = [w for w in new_instances if w.worker_type == WorkerType.PREFILL]
|
||||
new_decodes = [w for w in new_instances if w.worker_type == WorkerType.DECODE]
|
||||
new_prefills = [
|
||||
w for w in new_instances if w.worker_type == WorkerType.PREFILL
|
||||
]
|
||||
new_decodes = [
|
||||
w for w in new_instances if w.worker_type == WorkerType.DECODE
|
||||
]
|
||||
prefills = existing_prefills + new_prefills
|
||||
decodes = existing_decodes + new_decodes
|
||||
|
||||
# All workers in prefills and decodes are now acquired
|
||||
|
||||
if not prefills or not decodes:
|
||||
# This shouldn't happen but guard against it
|
||||
for w in prefills + decodes:
|
||||
w.release()
|
||||
pytest.fail(
|
||||
f"PD setup incomplete: have {len(prefills)} prefill, {len(decodes)} decode "
|
||||
f"PD setup incomplete: have {len(prefills)} prefill, "
|
||||
f"{len(decodes)} decode "
|
||||
f"(need {num_prefill} prefill, {num_decode} decode)"
|
||||
)
|
||||
|
||||
model_path = prefills[0].model_path
|
||||
|
||||
# Launch PD gateway
|
||||
gateway = Gateway()
|
||||
gateway.start(
|
||||
prefill_workers=prefills,
|
||||
@@ -252,14 +272,21 @@ def _setup_pd_backend(
|
||||
gateway_config["policy"],
|
||||
)
|
||||
|
||||
try:
|
||||
yield "pd", model_path, client, gateway
|
||||
finally:
|
||||
if gateway is not None:
|
||||
logger.info("Tearing down PD gateway")
|
||||
try:
|
||||
gateway.shutdown()
|
||||
# Release references to allow eviction
|
||||
except Exception:
|
||||
logger.exception("Gateway shutdown failed; continuing teardown")
|
||||
for worker in prefills + decodes:
|
||||
try:
|
||||
worker.release()
|
||||
except Exception:
|
||||
logger.exception(
|
||||
"Release failed for %s; continuing teardown", worker.key
|
||||
)
|
||||
|
||||
|
||||
def _setup_local_backend(
|
||||
@@ -277,12 +304,24 @@ def _setup_local_backend(
|
||||
|
||||
num_workers = workers_config.get("count") or 1
|
||||
instances: list = [] # Track instances for reference counting
|
||||
gateway = None
|
||||
|
||||
# Single try/finally guarantees release() runs for every acquired
|
||||
# instance — even when Gateway.start() / OpenAI() / launch_workers()
|
||||
# raise after acquisition. Without this, a failed gateway start in
|
||||
# one test pinned the worker as is_in_use=True forever, so subsequent
|
||||
# tests that needed a different model couldn't evict and deadlocked
|
||||
# in model_pool.get().
|
||||
try:
|
||||
try:
|
||||
if num_workers > 1:
|
||||
# get_workers_by_type auto-acquires all returned workers
|
||||
all_existing = model_pool.get_workers_by_type(model_id, WorkerType.REGULAR)
|
||||
existing_for_mode = [w for w in all_existing if w.mode == connection_mode]
|
||||
all_existing = model_pool.get_workers_by_type(
|
||||
model_id, WorkerType.REGULAR
|
||||
)
|
||||
existing_for_mode = [
|
||||
w for w in all_existing if w.mode == connection_mode
|
||||
]
|
||||
|
||||
# Release workers we won't use (wrong mode)
|
||||
for w in all_existing:
|
||||
@@ -326,7 +365,6 @@ def _setup_local_backend(
|
||||
except RuntimeError as e:
|
||||
pytest.fail(str(e))
|
||||
|
||||
# Launch gateway
|
||||
gateway = Gateway()
|
||||
gateway.start(
|
||||
worker_urls=worker_urls,
|
||||
@@ -350,14 +388,22 @@ def _setup_local_backend(
|
||||
gateway_config["policy"],
|
||||
)
|
||||
|
||||
try:
|
||||
yield backend_name, model_path, client, gateway
|
||||
finally:
|
||||
if gateway is not None:
|
||||
logger.info("Tearing down gateway for %s backend", backend_name)
|
||||
try:
|
||||
gateway.shutdown()
|
||||
# Release references to allow eviction
|
||||
except Exception:
|
||||
logger.exception("Gateway shutdown failed; continuing teardown")
|
||||
# Release references to allow eviction. Each release is
|
||||
# independently fault-isolated so one failure can't strand the
|
||||
# rest of the acquired instances.
|
||||
for inst in instances:
|
||||
try:
|
||||
inst.release()
|
||||
except Exception:
|
||||
logger.exception("Release failed for %s; continuing teardown", inst.key)
|
||||
|
||||
|
||||
def _setup_cloud_backend(
|
||||
|
||||
@@ -74,12 +74,25 @@ class GPUSlot:
|
||||
|
||||
|
||||
def get_open_port() -> int:
|
||||
"""Get an available port by binding to port 0 and reading the assigned port."""
|
||||
"""Get an available port by binding to port 0 and reading the assigned port.
|
||||
|
||||
Capped below 55536 so sglang's `--grpc-mode` default
|
||||
`grpc_port = port + 10000` (in srt/server_args.py) cannot overflow
|
||||
16-bit port range. The kernel's ephemeral range is typically
|
||||
32768-60999, so a cap > 32768 keeps reasonable headroom while
|
||||
avoiding the rare overflow that crashes worker startup.
|
||||
"""
|
||||
for _ in range(20):
|
||||
with socket.socket(socket.AF_INET, socket.SOCK_STREAM) as s:
|
||||
s.bind(("", 0))
|
||||
s.listen(1)
|
||||
port = s.getsockname()[1]
|
||||
if port < 55536:
|
||||
return port
|
||||
raise RuntimeError(
|
||||
"Failed to allocate an open port below 55536 after 20 attempts; "
|
||||
"kernel ephemeral range may be unusually high"
|
||||
)
|
||||
|
||||
|
||||
def get_physical_device_indices(devices: list[int]) -> list[int]:
|
||||
|
||||
@@ -127,11 +127,41 @@ def wait_for_workers_ready(
|
||||
|
||||
|
||||
def detect_ib_device() -> str | None:
|
||||
"""Detect first active InfiniBand device (e.g., mlx5_0).
|
||||
"""Detect first active InfiniBand device usable for PD KV transfer.
|
||||
|
||||
Enumerates `/sys/class/infiniband/` (the canonical device list that
|
||||
sglang's `_validate_ib_devices` checks against) and returns the first
|
||||
PORT_ACTIVE port. Prioritizes ``mlx5_ib*`` (native InfiniBand) over
|
||||
``mlx5_eth*`` (Ethernet/RoCE) — on the production CI runners both
|
||||
families show up under /sys/class/infiniband, but ``mlx5_eth*`` are
|
||||
plain Ethernet ports that don't carry the RDMA traffic mooncake
|
||||
needs for prefill/decode KV transfer. Picking an eth port led to
|
||||
decode-side 500s on every PD MMLU request (worker comes up healthy
|
||||
but KV reads fail at request time).
|
||||
|
||||
Avoids the legacy `mlx5_<N>` alias form: on these runners
|
||||
``ibv_devinfo mlx5_0`` resolves to ``mlx5_ib0`` and reports active,
|
||||
but sglang's `_validate_ib_devices` walks /sys/class/infiniband and
|
||||
rejects the alias name.
|
||||
|
||||
Returns:
|
||||
Device name if found (e.g., "mlx5_0"), None otherwise.
|
||||
Device name (e.g., ``mlx5_ib0``), or None if nothing usable.
|
||||
"""
|
||||
ib_dir = "/sys/class/infiniband"
|
||||
try:
|
||||
all_devs = os.listdir(ib_dir)
|
||||
except FileNotFoundError:
|
||||
return None
|
||||
|
||||
if not all_devs:
|
||||
return None
|
||||
|
||||
# Prefer native IB ports over Ethernet/RoCE. Within each family keep
|
||||
# /sys ordering stable.
|
||||
ib_first = sorted(d for d in all_devs if "_ib" in d)
|
||||
eth_last = sorted(d for d in all_devs if "_ib" not in d)
|
||||
candidates = ib_first + eth_last
|
||||
|
||||
try:
|
||||
subprocess.run(
|
||||
["ibv_devinfo", "-l"],
|
||||
@@ -142,8 +172,7 @@ def detect_ib_device() -> str | None:
|
||||
except (FileNotFoundError, subprocess.TimeoutExpired):
|
||||
return None
|
||||
|
||||
for i in range(12):
|
||||
dev = f"mlx5_{i}"
|
||||
for dev in candidates:
|
||||
try:
|
||||
res = subprocess.run(
|
||||
["ibv_devinfo", dev],
|
||||
@@ -151,7 +180,8 @@ def detect_ib_device() -> str | None:
|
||||
text=True,
|
||||
timeout=2,
|
||||
)
|
||||
if res.returncode == 0 and "state:" in res.stdout:
|
||||
if res.returncode != 0:
|
||||
continue
|
||||
for line in res.stdout.splitlines():
|
||||
if "state:" in line and "PORT_ACTIVE" in line:
|
||||
logger.info("Detected IB device: %s", dev)
|
||||
|
||||
@@ -9,9 +9,7 @@ dependencies = [
|
||||
"grpcio-health-checking",
|
||||
"httpx",
|
||||
"openai",
|
||||
"py", # Required for pytest-parallel with newer pytest versions
|
||||
"pytest",
|
||||
"pytest-parallel",
|
||||
"pytest-rerunfailures",
|
||||
]
|
||||
|
||||
@@ -32,13 +30,10 @@ addopts = "-v -s"
|
||||
# We configure logging manually in conftest.py
|
||||
log_cli = false
|
||||
|
||||
# Parallel execution configuration:
|
||||
# Use --workers 1 --tests-per-worker N to run N tests concurrently as threads
|
||||
# within a single process. This enables true shared-worker parallelism where
|
||||
# the session-scoped model_pool fixture is shared across all threads.
|
||||
#
|
||||
# Example usage:
|
||||
# pytest --workers 1 --tests-per-worker 4 e2e_test/router/
|
||||
#
|
||||
# The thread-safe ModelPool and GPUAllocator classes enable safe concurrent
|
||||
# access from multiple test threads.
|
||||
# Tests run serially under plain pytest. The pytest-parallel plugin
|
||||
# (last release 2019) was tried but its thread dispatch leaks fixture
|
||||
# references between tests, causing model_pool deadlocks; the parallel
|
||||
# speedup never materialized on a 2-GPU runner since the suite is
|
||||
# eviction-bound across 5 model:mode combos. ModelPool / GPUAllocator
|
||||
# remain thread-safe so re-introducing parallelism (xdist or otherwise)
|
||||
# stays a tractable option.
|
||||
|
||||
@@ -88,9 +88,9 @@ class TestIGWMode:
|
||||
http_instance = model_pool.get("llama-8b", ConnectionMode.HTTP)
|
||||
|
||||
gateway = Gateway()
|
||||
try:
|
||||
gateway.start(igw_mode=True)
|
||||
|
||||
try:
|
||||
# Add worker
|
||||
success, result = gateway.add_worker(http_instance.worker_url)
|
||||
assert success, f"Failed to add worker: {result}"
|
||||
@@ -106,15 +106,16 @@ class TestIGWMode:
|
||||
logger.info("Models available: %d", len(models))
|
||||
finally:
|
||||
gateway.shutdown()
|
||||
http_instance.release()
|
||||
|
||||
def test_igw_add_and_remove_worker(self, model_pool: ModelPool):
|
||||
"""Test adding and removing workers dynamically."""
|
||||
http_instance = model_pool.get("llama-8b", ConnectionMode.HTTP)
|
||||
|
||||
gateway = Gateway()
|
||||
try:
|
||||
gateway.start(igw_mode=True)
|
||||
|
||||
try:
|
||||
# Add worker
|
||||
success, _ = gateway.add_worker(http_instance.worker_url)
|
||||
assert success, "Failed to add worker"
|
||||
@@ -132,6 +133,7 @@ class TestIGWMode:
|
||||
logger.warning("Remove worker not supported: %s", msg)
|
||||
finally:
|
||||
gateway.shutdown()
|
||||
http_instance.release()
|
||||
|
||||
def test_igw_multiple_workers(self, model_pool: ModelPool):
|
||||
"""Test adding multiple workers (HTTP + gRPC) to IGW gateway."""
|
||||
@@ -139,9 +141,9 @@ class TestIGWMode:
|
||||
grpc_instance = model_pool.get("llama-8b", ConnectionMode.GRPC)
|
||||
|
||||
gateway = Gateway()
|
||||
try:
|
||||
gateway.start(igw_mode=True)
|
||||
|
||||
try:
|
||||
# Add both workers
|
||||
success1, _ = gateway.add_worker(http_instance.worker_url)
|
||||
success2, _ = gateway.add_worker(grpc_instance.worker_url)
|
||||
@@ -157,6 +159,8 @@ class TestIGWMode:
|
||||
logger.info("Worker: id=%s, url=%s", w.id, w.url)
|
||||
finally:
|
||||
gateway.shutdown()
|
||||
grpc_instance.release()
|
||||
http_instance.release()
|
||||
|
||||
|
||||
@pytest.mark.e2e
|
||||
@@ -170,12 +174,12 @@ class TestDisableHealthCheck:
|
||||
http_instance = model_pool.get("llama-8b", ConnectionMode.HTTP)
|
||||
|
||||
gateway = Gateway()
|
||||
try:
|
||||
gateway.start(
|
||||
igw_mode=True,
|
||||
extra_args=["--disable-health-check"],
|
||||
)
|
||||
|
||||
try:
|
||||
# Add worker - should be immediately healthy since health checks are disabled
|
||||
success, worker_id = gateway.add_worker(
|
||||
http_instance.worker_url,
|
||||
@@ -202,6 +206,7 @@ class TestDisableHealthCheck:
|
||||
), "Worker should be healthy when health checks disabled"
|
||||
finally:
|
||||
gateway.shutdown()
|
||||
http_instance.release()
|
||||
|
||||
def test_disable_health_check_gateway_starts_without_health_checker(
|
||||
self, model_pool: ModelPool
|
||||
|
||||
Reference in New Issue
Block a user