[bug] fix router installation to include additional dependency (#12348)

.github/workflows/nightly-release-router.yml

@@ -94,7 +94,7 @@ jobs:
         with:
           target: ${{ matrix.target }}
           manylinux: ${{ matrix.manylinux || 'auto' }}
-          args: --release --out dist --interpreter ${{ matrix.interpreter || '3.9 3.10 3.11 3.12 3.13 3.14' }}
+          args: --release --out dist --features vendored-openssl --interpreter ${{ matrix.interpreter || '3.9 3.10 3.11 3.12 3.13 3.14' }}
           rust-toolchain: stable
           docker-options: -e CI -e CC_aarch64_unknown_linux_gnu=aarch64-linux-gnu-gcc -e CXX_aarch64_unknown_linux_gnu=aarch64-linux-gnu-g++
           before-script-linux: |

.github/workflows/pr-test-pd-router.yml

@@ -149,7 +149,7 @@ jobs:
         echo "Building sgl-router..."
         cd sgl-router
         pip install maturin
-        maturin build --release --out dist
+        maturin build --release --out dist --features vendored-openssl
         pip install --force-reinstall dist/*.whl
 
     - name: Start disaggregation servers

.github/workflows/pr-test-rust.yml

@@ -57,7 +57,7 @@ jobs:
       - name: Test maturin build
         uses: PyO3/maturin-action@v1
         with:
-          args: --release --out dist
+          args: --release --out dist --features vendored-openssl
           rust-toolchain: stable
           sccache: true
 
@@ -166,7 +166,7 @@ jobs:
           export RUSTC_WRAPPER=sccache
           cd sgl-router
           pip install maturin
-          maturin build --release --out dist
+          maturin build --release --out dist --features vendored-openssl
           pip install --force-reinstall dist/*.whl
 
 
@@ -263,7 +263,7 @@ jobs:
           export RUSTC_WRAPPER=sccache
           cd sgl-router
           pip install maturin
-          maturin build --release --out dist
+          maturin build --release --out dist --features vendored-openssl
           pip install --force-reinstall dist/*.whl
 
       - name: Run Python E2E response API tests

.github/workflows/release-pypi-router.yml

@@ -79,7 +79,7 @@ jobs:
         with:
           target: ${{ matrix.target }}
           manylinux: ${{ matrix.manylinux || 'auto' }}
-          args: --release --out dist --interpreter ${{ matrix.interpreter || '3.9 3.10 3.11 3.12 3.13 3.14' }}
+          args: --release --out dist --features vendored-openssl --interpreter ${{ matrix.interpreter || '3.9 3.10 3.11 3.12 3.13 3.14' }}
           rust-toolchain: stable
           docker-options: -e CI -e CC_aarch64_unknown_linux_gnu=aarch64-linux-gnu-gcc -e CXX_aarch64_unknown_linux_gnu=aarch64-linux-gnu-g++
           before-script-linux: |

python/sglang/srt/grpc/compile_proto.py

@@ -18,6 +18,9 @@ Options:
 ### Install Dependencies
 pip install "grpcio==1.75.1" "grpcio-tools==1.75.1"
 
+Please make sure to use the same version of grpcio and grpcio-tools specified in pyproject.toml
+otherwise update the versions specified in pyproject.toml
+
 ### Run Script
 cd python/sglang/srt/grpc
 python compile_proto.py

scripts/ci/ci_install_dependency.sh

@@ -24,6 +24,29 @@ rm -rf /root/.cache/flashinfer
 # Install apt packages
 apt install -y git libnuma-dev
 
+# Install protoc for router build (gRPC protobuf compilation)
+if ! command -v protoc &> /dev/null; then
+    echo "Installing protoc..."
+    if command -v apt-get &> /dev/null; then
+        # Ubuntu/Debian
+        apt-get update
+        apt-get install -y wget unzip gcc g++ perl make
+    elif command -v yum &> /dev/null; then
+        # RHEL/CentOS
+        yum update -y
+        yum install -y wget unzip gcc gcc-c++ perl-core make
+    fi
+
+    cd /tmp
+    wget https://github.com/protocolbuffers/protobuf/releases/download/v32.0/protoc-32.0-linux-x86_64.zip
+    unzip protoc-32.0-linux-x86_64.zip -d /usr/local
+    rm protoc-32.0-linux-x86_64.zip
+    protoc --version
+    cd -
+else
+    echo "protoc already installed: $(protoc --version)"
+fi
+
 # Install uv
 if [ "$IS_BLACKWELL" = "1" ]; then
     # The blackwell CI runner has some issues with pip and uv,
@@ -58,8 +81,11 @@ else
     $PIP_CMD install -e "python[dev]" --extra-index-url https://download.pytorch.org/whl/${CU_VERSION} $PIP_INSTALL_SUFFIX --upgrade
 fi
 
+# Install OpenSSL development libraries for router build
+apt install -y libssl-dev pkg-config
+
 # Install router for pd-disagg test
-SGLANG_ROUTER_BUILD_NO_RUST=1 $PIP_CMD install -e "sgl-router" $PIP_INSTALL_SUFFIX
+$PIP_CMD install -e "sgl-router" $PIP_INSTALL_SUFFIX
 
 # Install sgl-kernel
 SGL_KERNEL_VERSION_FROM_KERNEL=$(grep -Po '(?<=^version = ")[^"]*' sgl-kernel/pyproject.toml)

sgl-router/Cargo.toml

@@ -7,6 +7,7 @@ edition = "2021"
 default = ["grpc-client"]
 grpc-client = []
 grpc-server = []
+vendored-openssl = ["openssl/vendored"]
 
 [lints.rust]
 unused_qualifications = "warn"
@@ -67,7 +68,7 @@ tiktoken-rs = { version = "0.7.0" }
 minijinja = { version = "2.0", features = ["unstable_machinery", "json", "builtins"] }
 minijinja-contrib = { version = "2.0", features = ["pycompat"] }
 rustls = { version = "0.23", default-features = false, features = ["ring", "std"] }
-openssl = { version = "0.10.73", features = ["vendored"] }
+openssl = "0.10.73"
 hf-hub = { version = "0.4.3", features = ["tokio"] }
 rmcp = { version = "0.8.3", features = ["client", "server",
     "transport-child-process",

sgl-router/README.md

@@ -70,13 +70,21 @@ cargo build --release
 pip install maturin
 
 # Fast development mode (debug build, no wheel, instant)
+# Uses system OpenSSL (requires libssl-dev/openssl-devel)
 maturin develop
 
 # Production build (optimized, creates wheel)
+# Uses vendored OpenSSL (cross-platform compatibility)
+maturin build --release --features vendored-openssl
+pip install --force-reinstall dist/*.whl
+
+# Development build with system OpenSSL (faster)
+# Requires: apt install libssl-dev pkg-config (Ubuntu/Debian)
+#       or: yum install openssl-devel (RHEL/CentOS)
 maturin build --release
 pip install --force-reinstall dist/*.whl
 ```
-> **Note:** Use `maturin develop` for fast iteration during development (builds in debug mode and installs directly). Use `maturin build --release` for production wheels with full optimizations (opt-level="z", lto="fat"). The package uses abi3 support for Python 3.8+ compatibility.
+> **Note:** Use `maturin develop` for fast iteration during development (builds in debug mode and installs directly). Use `maturin build --release --features vendored-openssl` for production wheels with full optimizations (opt-level="z", lto="fat") and cross-platform compatibility. The package uses abi3 support for Python 3.8+ compatibility.
 
 ## Quick Start