dependencies.sh

#!/bin/bash
# Copyright 2024 KVCache.AI
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

# Color definitions
GREEN="\033[0;32m"
BLUE="\033[0;34m"
YELLOW="\033[0;33m"
RED="\033[0;31m"
NC="\033[0m" # No Color

# Configuration
REPO_ROOT=`pwd`
GITHUB_PROXY=${GITHUB_PROXY:-"https://github.com"}
GOVER=1.23.8

# Function to print section headers
print_section() {
    echo -e "\n${BLUE}=== $1 ===${NC}"
}

# Function to print success messages
print_success() {
    echo -e "${GREEN}✓ $1${NC}"
}

# Function to print error messages and exit
print_error() {
    echo -e "${RED}✗ ERROR: $1${NC}"
    exit 1
}

# Function to check command success
check_success() {
    if [ $? -ne 0 ]; then
        print_error "$1"
    fi
}

if [ $(id -u) -ne 0 ]; then
	print_error "Require root permission, try sudo ./dependencies.sh"
fi

# Parse command line arguments
SKIP_CONFIRM=false
for arg in "$@"; do
    case $arg in
        -y|--yes)
            SKIP_CONFIRM=true
            ;;
        -h|--help)
            echo -e "${YELLOW}Mooncake Dependencies Installer${NC}"
            echo -e "Usage: ./dependencies.sh [OPTIONS]"
            echo -e "\nOptions:"
            echo -e "  -y, --yes    Skip confirmation and install all dependencies"
            echo -e "  -h, --help   Show this help message and exit"
            exit 0
            ;;
    esac
done

# Print welcome message
echo -e "${YELLOW}Mooncake Dependencies Installer${NC}"
echo -e "This script will install all required dependencies for Mooncake."
echo -e "The following components will be installed:"
echo -e "  - System packages (build tools, libraries)"
echo -e "  - Git submodules (including pybind11 and yalantinglibs)"
echo -e "  - Go $GOVER"
echo

# Ask for confirmation unless -y flag is used
if [ "$SKIP_CONFIRM" = false ]; then
    read -p "Do you want to continue? [Y/n] " -n 1 -r
    echo
    if [[ ! $REPLY =~ ^[Yy]$ ]] && [[ ! $REPLY = "" ]]; then
        echo -e "${YELLOW}Installation cancelled.${NC}"
        exit 0
    fi
fi


# Update package lists
print_section "Updating package lists"
apt-get update
check_success "Failed to update package lists"

# Install system packages
print_section "Installing system packages"
echo -e "${YELLOW}This may take a few minutes...${NC}"

SYSTEM_PACKAGES="build-essential \
                  cmake \
                  ninja-build \
                  git \
                  wget \
                  unzip \
                  libibverbs-dev \
                  libgoogle-glog-dev \
                  libgtest-dev \
                  libjsoncpp-dev \
                  libunwind-dev \
                  libnuma-dev \
                  libpython3-dev \
                  libboost-all-dev \
                  libssl-dev \
                  libgrpc-dev \
                  libgrpc++-dev \
                  libprotobuf-dev \
                  libyaml-cpp-dev \
                  protobuf-compiler-grpc \
                  libcurl4-openssl-dev \
                  libhiredis-dev \
                  liburing-dev \
                  libjemalloc-dev \
                  libmsgpack-dev \
                  libzstd-dev \
                  libasio-dev \
                  libxxhash-dev \
                  pkg-config \
                  patchelf \
                  libc6-dev \
                  libc-bin"

apt-get install -y $SYSTEM_PACKAGES
check_success "Failed to install system packages"
print_success "System packages installed successfully"

# Initialize and update git submodules
print_section "Initializing Git Submodules"

# Check if .gitmodules exists
if [ -f "${REPO_ROOT}/.gitmodules" ]; then
    echo "Enter repository root: ${REPO_ROOT}"
    cd "${REPO_ROOT}"
    check_success "Failed to change to repository root directory"

    echo "Initializing git submodules..."
    git submodule sync --recursive
    check_success "Failed to sync git submodules"
    git submodule update --init --recursive
    check_success "Failed to initialize git submodules"

    print_success "Git submodules initialized and updated successfully"
else
    echo -e "${YELLOW}No .gitmodules file found. Skipping...${NC}"
    exit 1
fi

# Build and install yalantinglibs from submodule
print_section "Installing yalantinglibs"
cd "${REPO_ROOT}/extern/yalantinglibs"
check_success "Failed to change to yalantinglibs submodule directory"

mkdir -p build
check_success "Failed to create build directory"
cd build
check_success "Failed to change to build directory"

echo "Configuring yalantinglibs..."
cmake .. -DBUILD_EXAMPLES=OFF -DBUILD_BENCHMARK=OFF -DBUILD_UNIT_TESTS=OFF
check_success "Failed to configure yalantinglibs"

echo "Building yalantinglibs (using $(nproc) cores)..."
cmake --build . -j$(nproc)
check_success "Failed to build yalantinglibs"

echo "Installing yalantinglibs..."
cmake --install .
check_success "Failed to install yalantinglibs"

print_success "yalantinglibs installed successfully"
cd "${REPO_ROOT}"

print_section "Verifying essential build tools"

# Verify getconf and ldd (required for glibc version detection in build_wheel.sh)
# Both are provided by libc-bin, which is included in SYSTEM_PACKAGES
if ! command -v getconf >/dev/null 2>&1; then
    print_error "getconf not found after installing system packages. This should not happen."
fi
if ! command -v ldd >/dev/null 2>&1; then
    print_error "ldd not found after installing system packages. This should not happen."
fi
print_success "getconf found: $(getconf --version 2>&1 | head -1)"
print_success "ldd found: $(ldd --version 2>&1 | head -1)"

print_section "Installing Go $GOVER"

USED_CN_MIRROR=false

install_go() {
    ARCH=$(uname -m)
    if [ "$ARCH" = "aarch64" ]; then
        ARCH="arm64"
    elif [ "$ARCH" = "x86_64" ]; then
        ARCH="amd64"
    else
        echo "Unsupported architecture: $ARCH"
        exit 1
    fi

    GO_TARBALL="go$GOVER.linux-$ARCH.tar.gz"

    # Try multiple download mirrors with fallback
    GO_DOWNLOAD_URLS=(
        "https://go.dev/dl/${GO_TARBALL}"
        "https://golang.google.cn/dl/${GO_TARBALL}"
        "https://mirrors.aliyun.com/golang/${GO_TARBALL}"
    )

    DOWNLOAD_SUCCESS=false
    for url in "${GO_DOWNLOAD_URLS[@]}"; do
        echo "Downloading Go $GOVER from ${url}..."
        if wget -q --show-progress --timeout=30 --tries=2 -O "${GO_TARBALL}" "${url}"; then
            DOWNLOAD_SUCCESS=true
            # If the official source (go.dev) failed and we fell back to a CN mirror,
            # it likely means the network has restricted access to international sites.
            if [[ "$url" != "https://go.dev/dl/${GO_TARBALL}" ]]; then
                USED_CN_MIRROR=true
            fi
            print_success "Downloaded Go $GOVER from ${url}"
            break
        else
            echo -e "${YELLOW}Failed to download from ${url}, trying next mirror...${NC}"
            rm -f "${GO_TARBALL}"
        fi
    done

    if [ "$DOWNLOAD_SUCCESS" = false ]; then
        print_error "Failed to download Go $GOVER from all mirrors"
    fi

    # Install Go
    echo "Installing Go $GOVER..."
    tar -C /usr/local -xzf "${GO_TARBALL}"
    check_success "Failed to install Go $GOVER"

    # Clean up downloaded file
    rm -f "${GO_TARBALL}"
    check_success "Failed to clean up Go installation file"

    print_success "Go $GOVER installed successfully"
}

# Check if Go is already installed
if command -v go &> /dev/null; then
    GO_VERSION=$(go version | awk '{print $3}')
    if [[ "$GO_VERSION" == "go$GOVER" ]]; then
        echo -e "${YELLOW}Go $GOVER is already installed. Skipping...${NC}"
    else
        echo -e "${YELLOW}Found Go $GO_VERSION. Will install Go $GOVER...${NC}"
        install_go
    fi
else
    install_go
fi

# Add Go to PATH if not already there
if ! grep -q "export PATH=\$PATH:/usr/local/go/bin" ~/.bashrc; then
    echo -e "${YELLOW}Adding Go to your PATH in ~/.bashrc${NC}"
    echo 'export PATH=$PATH:/usr/local/go/bin' >> ~/.bashrc
    echo -e "${YELLOW}Please run 'source ~/.bashrc' or start a new terminal to use Go${NC}"
fi

# Set GOPROXY only if Go download fell back to a CN mirror, indicating restricted
# network access to international sites. Skip if user already configured GOPROXY.
if [ "$USED_CN_MIRROR" = true ] && [ -z "$GOPROXY" ]; then
    export GOPROXY=https://goproxy.cn,https://goproxy.io,direct
    echo -e "${YELLOW}Detected restricted network (Go was downloaded from a CN mirror).${NC}"
    echo -e "${YELLOW}GOPROXY set to: ${GOPROXY}${NC}"
    if ! grep -q "export GOPROXY=" ~/.bashrc; then
        echo 'export GOPROXY=https://goproxy.cn,https://goproxy.io,direct' >> ~/.bashrc
        echo -e "${YELLOW}GOPROXY added to ~/.bashrc for future sessions${NC}"
    fi
elif [ -n "$GOPROXY" ]; then
    echo -e "${GREEN}GOPROXY already set to: ${GOPROXY}${NC}"
fi

# Return to the repository root
cd "${REPO_ROOT}"

# Print summary
print_section "Installation Complete"
echo -e "${GREEN}All dependencies have been successfully installed!${NC}"
echo -e "The following components were installed:"
echo -e "  ${GREEN}✓${NC} System packages"
echo -e "  ${GREEN}✓${NC} yalantinglibs"
echo -e "  ${GREEN}✓${NC} Git submodules"
echo -e "  ${GREEN}✓${NC} Go $GOVER"
echo
echo -e "You can now build and run Mooncake."
echo -e "${YELLOW}Note: You may need to restart your terminal or run 'source ~/.bashrc' to use Go.${NC}"