[MUSA][11/N] ci: add MUSA 4.3 kernel build and release pipeline (#18537)

Co-authored-by: ximin.chen <ximin.chen@mthreads.com>

.github/workflows/release-whl-kernel.yml

@@ -8,6 +8,17 @@ on:
       - sgl-kernel/python/sgl_kernel/version.py
   workflow_dispatch:
     inputs:
+      target:
+        type: choice
+        description: 'Build target'
+        required: false
+        default: 'all'
+        options:
+          - 'all'
+          - 'cu129'
+          - 'cu130'
+          - 'rocm700'
+          - 'musa43'
       tag_name:
         type: string
         required: false
@@ -22,7 +33,9 @@ concurrency:
 
 jobs:
   build-cu129-matrix:
-    if: github.repository == 'sgl-project/sglang'
+    if: |
+      github.repository == 'sgl-project/sglang' &&
+      (github.event.inputs.target == 'all' || github.event.inputs.target == 'cu129')
     strategy:
       matrix:
         python-version: ["3.10"]
@@ -119,7 +132,9 @@ jobs:
 
   # for now we do not release CUDA 13.0 wheels to pypi
   build-cu130-matrix:
-    if: github.repository == 'sgl-project/sglang'
+    if: |
+      github.repository == 'sgl-project/sglang' &&
+      (github.event.inputs.target == 'all' || github.event.inputs.target == 'cu130')
     strategy:
       matrix:
         python-version: ["3.10"]
@@ -209,7 +224,9 @@ jobs:
           git push
 
   build-rocm700:
-    if: github.repository == 'sgl-project/sglang'
+    if: |
+      github.repository == 'sgl-project/sglang' &&
+      (github.event.inputs.target == 'all' || github.event.inputs.target == 'rocm700')
     runs-on: amd-docker-scale
     strategy:
       matrix:
@@ -289,3 +306,82 @@ jobs:
           git add -A
           git commit -m "update whl index"
           git push
+
+  build-musa43:
+    if: |
+      github.repository == 'sgl-project/sglang' &&
+      (github.event.inputs.target == 'all' || github.event.inputs.target == 'musa43')
+    runs-on: kernel-build-node-musa
+    strategy:
+      matrix:
+        python-version: ["3.10"]
+        musa-version: ["43"]
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          submodules: "recursive"
+
+      - name: Build wheels
+        run: |
+          cd sgl-kernel
+          mv pyproject_musa.toml pyproject.toml
+          python setup_musa.py sdist bdist_wheel
+
+      - name: Rename MUSA wheels
+        run: |
+          bash scripts/ci/musa/rename_wheels_musa.sh ${{ matrix.musa-version }} sgl-kernel/dist
+
+      - name: Upload artifacts
+        uses: actions/upload-artifact@v4
+        with:
+          name: wheel-python${{ matrix.python-version }}-musa${{ matrix.musa-version }}
+          path: sgl-kernel/dist/*
+
+  release-musa43:
+    needs: build-musa43
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Download artifacts
+        uses: actions/download-artifact@v4
+        with:
+          path: sgl-kernel/dist/
+          merge-multiple: true
+          pattern: wheel-*
+
+      - name: Set tag name
+        id: set_tag_name
+        run: |
+          if [ -z "${{ inputs.tag_name }}" ]; then
+            TAG_NAME="v$(cat sgl-kernel/python/sgl_kernel/version.py | cut -d'"' -f2)"
+            echo "tag_name=$TAG_NAME" >> $GITHUB_OUTPUT
+          else
+            echo "tag_name=${{ inputs.tag_name }}" >> $GITHUB_OUTPUT
+          fi
+
+      - name: Release
+        uses: softprops/action-gh-release@v2
+        with:
+          tag_name: ${{ steps.set_tag_name.outputs.tag_name }}
+          repository: sgl-project/whl
+          token: ${{ secrets.GH_PAT_FOR_WHL_RELEASE }}
+          files: |
+            sgl-kernel/dist/*
+
+      - name: Clone wheel index
+        run: git clone https://oauth2:${WHL_TOKEN}@github.com/sgl-project/whl.git sgl-whl
+        env:
+          WHL_TOKEN: ${{ secrets.GH_PAT_FOR_WHL_RELEASE }}
+
+      - name: Update wheel index
+        run: python3 scripts/update_kernel_whl_index.py --musa 43
+
+      - name: Push wheel index
+        run: |
+          cd sgl-whl
+          git config --local user.name "sglang-bot"
+          git config --local user.email "sglangbot@gmail.com"
+          git add -A
+          git commit -m "update whl index"
+          git push

scripts/ci/musa/musa_install_dependency.sh

@@ -0,0 +1,5 @@
+#!/bin/bash
+set -euo pipefail
+
+PIP_INSTALL="python3 -m pip install --no-cache-dir"
+${PIP_INSTALL} --upgrade pip setuptools torchada

scripts/ci/musa/rename_wheels_musa.sh

@@ -0,0 +1,46 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+# Rename MUSA wheels to include a +musa<suffix> build tag.
+# Usage:
+#   rename_wheels_musa.sh <musa_suffix> [wheel_dir]
+# Example:
+#   rename_wheels_musa.sh 43 sgl-kernel/dist
+
+if [[ $# -lt 1 || $# -gt 2 ]]; then
+  echo "Usage: $0 <musa_suffix> [wheel_dir]" >&2
+  exit 1
+fi
+
+MUSA_SUFFIX="$1"
+WHEEL_DIR="${2:-dist}"
+
+wheel_files=("$WHEEL_DIR"/*.whl)
+
+if [[ ! -e "${wheel_files[0]}" ]]; then
+  echo "No wheel files found in ${WHEEL_DIR}/, nothing to rename."
+  exit 0
+fi
+
+for wheel in "${wheel_files[@]}"; do
+  # Normalize platform tag to manylinux2014
+  intermediate_wheel="${wheel/linux/manylinux2014}"
+
+  # Extract Python ABI version (e.g. cp310)
+  if [[ $intermediate_wheel =~ -cp([0-9]+)- ]]; then
+    cp_version="${BASH_REMATCH[1]}"
+  else
+    echo "Could not extract Python version from wheel name: $intermediate_wheel" >&2
+    continue
+  fi
+
+  # Insert +musa<suffix> before the Python ABI tag
+  new_wheel="${intermediate_wheel/-cp${cp_version}/+musa${MUSA_SUFFIX}-cp${cp_version}}"
+
+  if [[ "$wheel" != "$new_wheel" ]]; then
+    echo "Renaming $wheel -> $new_wheel"
+    mv -- "$wheel" "$new_wheel"
+  fi
+done
+
+echo "MUSA wheel renaming completed."

scripts/update_kernel_whl_index.py

@@ -46,34 +46,45 @@ def update_wheel_index(cuda_version=DEFAULT_CUDA_VERSION, rocm_version=None):
             f.write(f'<a href="{full_url}">{path.name}</a><br>\n')
 
 
-def update_wheel_index_rocm(rocm_version):
+def _update_non_cuda_wheel_index(backend, version):
-    index_dir = pathlib.Path(f"sgl-whl/rocm{rocm_version}/sgl-kernel")
+    index_dir = pathlib.Path(f"sgl-whl/{backend}{version}/sgl-kernel")
     index_dir.mkdir(exist_ok=True, parents=True)
     base_url = "https://github.com/sgl-project/whl/releases/download"
 
     for path in sorted(pathlib.Path("sgl-kernel/dist").glob("*.whl")):
-        # Skip the wheel if not rocm
+        # Skip the wheel if not for this backend
-        if re.search(f"rocm", path.name) is None:
+        if re.search(f"{backend}", path.name) is None:
             continue
         with open(path, "rb") as f:
             sha256 = hashlib.sha256(f.read()).hexdigest()
         ver = re.findall(
-            r"sgl_kernel-([0-9.]+(?:\.post[0-9]+)?)(?:\+rocm[0-9]+)?-", path.name
+            rf"sgl_kernel-([0-9.]+(?:\.post[0-9]+)?)(?:\+{backend}[0-9]+)?-", path.name
         )[0]
         full_url = f"{base_url}/v{ver}/{path.name}#sha256={sha256}"
         with (index_dir / "index.html").open("a") as f:
             f.write(f'<a href="{full_url}">{path.name}</a><br>\n')
 
 
+def update_wheel_index_rocm(rocm_version):
+    _update_non_cuda_wheel_index("rocm", rocm_version)
+
+
+def update_wheel_index_musa(musa_version):
+    _update_non_cuda_wheel_index("musa", musa_version)
+
+
 def main():
     parser = argparse.ArgumentParser()
     parser.add_argument("--cuda", type=str, default=DEFAULT_CUDA_VERSION)
     parser.add_argument("--rocm", type=str, default=None)
+    parser.add_argument("--musa", type=str, default=None)
     args = parser.parse_args()
-    if args.rocm is None:
+    if args.musa is not None:
-        update_wheel_index(args.cuda)
+        update_wheel_index_musa(args.musa)
-    else:
+    elif args.rocm is not None:
         update_wheel_index_rocm(args.rocm)
+    else:
+        update_wheel_index(args.cuda)
 
 
 if __name__ == "__main__":