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| 1 | +# Copyright (c) Meta Platforms, Inc. and affiliates. |
| 2 | +# All rights reserved. |
| 3 | +# |
| 4 | +# This source code is licensed under the BSD-style license found in the |
| 5 | +# LICENSE file in the root directory of this source tree. |
| 6 | + |
| 7 | +#!/bin/bash |
| 8 | +set -euo pipefail |
| 9 | + |
| 10 | +# Colors for output |
| 11 | +RED='\033[0;31m' |
| 12 | +GREEN='\033[0;32m' |
| 13 | +YELLOW='\033[1;33m' |
| 14 | +NC='\033[0m' |
| 15 | + |
| 16 | +# Source version configuration |
| 17 | +SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)" |
| 18 | +VERSIONS_FILE="$SCRIPT_DIR/../assets/versions.sh" |
| 19 | + |
| 20 | +if [ ! -f "$VERSIONS_FILE" ]; then |
| 21 | + echo -e "${RED}[ERROR]${NC} Versions file not found: $VERSIONS_FILE" |
| 22 | + exit 1 |
| 23 | +fi |
| 24 | + |
| 25 | +source "$VERSIONS_FILE" |
| 26 | + |
| 27 | +# Configuration |
| 28 | +BUILD_DIR="$HOME/forge-build" |
| 29 | +WHEEL_DIR="$(pwd)/assets/wheels" |
| 30 | + |
| 31 | +# Logging functions |
| 32 | +log_info() { echo -e "${GREEN}[INFO]${NC} $1"; } |
| 33 | +log_warn() { echo -e "${YELLOW}[WARN]${NC} $1"; } |
| 34 | +log_error() { echo -e "${RED}[ERROR]${NC} $1"; } |
| 35 | + |
| 36 | + |
| 37 | +# Validation functions |
| 38 | +check_conda_env() { |
| 39 | + if [ -z "${CONDA_DEFAULT_ENV:-}" ]; then |
| 40 | + log_error "Not running in a conda environment" |
| 41 | + log_info "Please create and activate your conda environment first:" |
| 42 | + log_info " conda create -n forge python=3.10 -y" |
| 43 | + log_info " conda activate forge" |
| 44 | + exit 1 |
| 45 | + fi |
| 46 | + log_info "Running in conda environment: $CONDA_DEFAULT_ENV" |
| 47 | +} |
| 48 | + |
| 49 | +check_command() { |
| 50 | + if ! command -v "$1" &> /dev/null; then |
| 51 | + log_error "Required command '$1' not found" |
| 52 | + exit 1 |
| 53 | + fi |
| 54 | +} |
| 55 | + |
| 56 | +check_sudo() { |
| 57 | + if ! sudo -n true 2>/dev/null; then |
| 58 | + log_error "This script requires passwordless sudo access" |
| 59 | + log_info "Run 'sudo -v' first, or configure passwordless sudo" |
| 60 | + exit 1 |
| 61 | + fi |
| 62 | +} |
| 63 | + |
| 64 | +check_disk_space() { |
| 65 | + local required_gb=10 |
| 66 | + local available_gb=$(df ~/ --output=avail -BG | tail -1 | sed 's/G//') |
| 67 | + if [ "$available_gb" -lt "$required_gb" ]; then |
| 68 | + log_error "Insufficient disk space. Need ${required_gb}GB, have ${available_gb}GB" |
| 69 | + exit 1 |
| 70 | + fi |
| 71 | +} |
| 72 | + |
| 73 | +# Main validation |
| 74 | +validate_environment() { |
| 75 | + log_info "Validating environment..." |
| 76 | + |
| 77 | + check_conda_env |
| 78 | + check_command git |
| 79 | + check_command curl |
| 80 | + check_command python |
| 81 | + check_command pip |
| 82 | + check_command conda |
| 83 | + check_sudo |
| 84 | + check_disk_space |
| 85 | + |
| 86 | + # Check if CUDA toolkit will be available |
| 87 | + if ! ldconfig -p | grep -q cuda; then |
| 88 | + log_warn "CUDA libraries not found in ldconfig. Will attempt to install CUDA toolkit." |
| 89 | + fi |
| 90 | + |
| 91 | + log_info "Environment validation passed" |
| 92 | +} |
| 93 | + |
| 94 | +# Setup build directory and wheels directory |
| 95 | +setup_build_dir() { |
| 96 | + log_info "Setting up build directory: $BUILD_DIR" |
| 97 | + mkdir -p "$BUILD_DIR" |
| 98 | + log_info "Setting up wheels directory: $WHEEL_DIR" |
| 99 | + mkdir -p "$WHEEL_DIR" |
| 100 | + log_info "Build and wheels directories created" |
| 101 | +} |
| 102 | + |
| 103 | +# Setup CUDA environment variables |
| 104 | +setup_cuda_env() { |
| 105 | + log_info "Setting up CUDA environment..." |
| 106 | + |
| 107 | + export CUDA_VERSION=12.8 |
| 108 | + export NVCC=/usr/local/cuda-${CUDA_VERSION}/bin/nvcc |
| 109 | + export CUDA_NVCC_EXECUTABLE=/usr/local/cuda-${CUDA_VERSION}/bin/nvcc |
| 110 | + export CUDA_HOME=/usr/local/cuda-${CUDA_VERSION} |
| 111 | + export PATH="${CUDA_HOME}/bin:$PATH" |
| 112 | + export CUDA_INCLUDE_DIRS=$CUDA_HOME/include |
| 113 | + export CUDA_CUDART_LIBRARY=$CUDA_HOME/lib64/libcudart.so |
| 114 | + export LD_LIBRARY_PATH=/usr/local/cuda-12.8/compat:${LD_LIBRARY_PATH:-} |
| 115 | + export LIBRARY_PATH=$CUDA_HOME/lib64:${LIBRARY_PATH:-} |
| 116 | + |
| 117 | + # Save to file for persistence |
| 118 | + cat > ~/.forge_cuda_env << 'EOF' |
| 119 | +export CUDA_VERSION=12.8 |
| 120 | +export NVCC=/usr/local/cuda-${CUDA_VERSION}/bin/nvcc |
| 121 | +export CUDA_NVCC_EXECUTABLE=/usr/local/cuda-${CUDA_VERSION}/bin/nvcc |
| 122 | +export CUDA_HOME=/usr/local/cuda-${CUDA_VERSION} |
| 123 | +export PATH="${CUDA_HOME}/bin:$PATH" |
| 124 | +export CUDA_INCLUDE_DIRS=$CUDA_HOME/include |
| 125 | +export CUDA_CUDART_LIBRARY=$CUDA_HOME/lib64/libcudart.so |
| 126 | +export LD_LIBRARY_PATH=/usr/local/cuda-12.8/compat:${LD_LIBRARY_PATH:-} |
| 127 | +export LIBRARY_PATH=${CUDA_HOME}/lib64:${LIBRARY_PATH:-} |
| 128 | +EOF |
| 129 | + |
| 130 | + log_info "CUDA environment configured" |
| 131 | +} |
| 132 | + |
| 133 | +# Step 1: Install PyTorch stable |
| 134 | +step1_pytorch() { |
| 135 | + pip3 install --pre torch==$PYTORCH_VERSION --index-url https://download.pytorch.org/whl/cu128 |
| 136 | +} |
| 137 | + |
| 138 | +# Step 2: Install CUDA system packages |
| 139 | +step2_cuda_packages() { |
| 140 | + sudo dnf install -y cuda-toolkit-12-8 cuda-compat-12-8 |
| 141 | + setup_cuda_env |
| 142 | +} |
| 143 | + |
| 144 | +# Step 3: Build vLLM wheel |
| 145 | +step3_vllm() { |
| 146 | + log_info "Building vLLM from branch: $VLLM_VERSION (from $VERSIONS_FILE)" |
| 147 | + cd "$BUILD_DIR" |
| 148 | + if [ -d "vllm" ]; then |
| 149 | + log_warn "vLLM directory exists, removing..." |
| 150 | + rm -rf vllm |
| 151 | + fi |
| 152 | + |
| 153 | + git clone https://github.com/vllm-project/vllm.git --branch $VLLM_VERSION |
| 154 | + cd "$BUILD_DIR/vllm" |
| 155 | + |
| 156 | + python use_existing_torch.py |
| 157 | + pip install -r requirements/build.txt |
| 158 | + pip install --no-build-isolation -e . |
| 159 | +} |
| 160 | + |
| 161 | +# Main execution |
| 162 | +main() { |
| 163 | + echo "Forge Wheel Builder" |
| 164 | + echo "===================" |
| 165 | + echo "" |
| 166 | + |
| 167 | + validate_environment |
| 168 | + setup_build_dir |
| 169 | + |
| 170 | + # Install PyTorch, CUDA packages, and vLLM |
| 171 | + step1_pytorch |
| 172 | + step2_cuda_packages |
| 173 | + step3_vllm |
| 174 | + |
| 175 | + # Output requirements to .github/packaging/vllm_reqs_12_8.txt |
| 176 | + REQS_FILE="$SCRIPT_DIR/../.github/packaging/vllm_reqs_12_8.txt" |
| 177 | + pip freeze | grep -v "vllm*" > $REQS_FILE |
| 178 | + sed -i '1i# This file was generated by running ./scripts/generate_vllm_reqs.sh' $REQS_FILE |
| 179 | +} |
| 180 | + |
| 181 | + |
| 182 | +# Run main function |
| 183 | +main "$@" |
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