knowledge-tools/stop.sh

#!/bin/bash

# 知识工具服务停止脚本

set -e

# 颜色定义
RED='\033[0;31m'
GREEN='\033[0;32m'
YELLOW='\033[1;33m'
NC='\033[0m' # No Color

# 项目根目录
PROJECT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
PID_FILE="$PROJECT_DIR/app.pid"

echo -e "${GREEN}停止知识工具服务...${NC}"

# 检查PID文件是否存在
if [ ! -f "$PID_FILE" ]; then
    echo -e "${YELLOW}未找到PID文件，服务可能未运行${NC}"
    exit 0
fi

# 读取PID
PID=$(cat "$PID_FILE")

# 检查进程是否存在
if ! ps -p "$PID" > /dev/null 2>&1; then
    echo -e "${YELLOW}进程不存在，清理PID文件${NC}"
    rm -f "$PID_FILE"
    exit 0
fi

# 停止进程
echo -e "${GREEN}正在停止进程 (PID: $PID)...${NC}"

# 获取进程组ID
PGID=$(ps -o pgid= -p "$PID" 2>/dev/null | tr -d ' ')

# 尝试优雅停止整个进程组
if [ -n "$PGID" ]; then
    echo -e "${GREEN}停止进程组 (PGID: $PGID)...${NC}"
    kill -TERM -"$PGID" 2>/dev/null || kill -TERM "$PID"
else
    kill -TERM "$PID"
fi

# 额外检查并停止可能的后台任务
echo -e "${GREEN}检查并停止相关后台任务...${NC}"

# 查找可能的Python进程
PYTHON_PIDS=$(ps aux | grep -E "(python.*main\.py|uvicorn.*main)" | grep -v grep | awk '{print $2}')
if [ -n "$PYTHON_PIDS" ]; then
    echo -e "${YELLOW}发现相关Python进程: $PYTHON_PIDS${NC}"
    for py_pid in $PYTHON_PIDS; do
        if [ "$py_pid" != "$PID" ]; then
            echo -e "${GREEN}停止Python进程: $py_pid${NC}"
            kill -TERM "$py_pid" 2>/dev/null || true
        fi
    done
fi

# 等待进程停止
for i in {1..15}; do
    if ! ps -p "$PID" > /dev/null 2>&1; then
        echo -e "${GREEN}服务已成功停止${NC}"
        rm -f "$PID_FILE"
        # 检查端口是否已释放
        if command -v lsof >/dev/null 2>&1; then
            if ! lsof -i :8079 >/dev/null 2>&1; then
                echo -e "${GREEN}端口8079已释放${NC}"
            else
                echo -e "${YELLOW}警告: 端口8079仍被占用${NC}"
            fi
        fi
        exit 0
    fi
    echo -e "${YELLOW}等待进程停止... ($i/15)${NC}"
    sleep 1
done

# 如果优雅停止失败，强制停止整个进程组
echo -e "${YELLOW}优雅停止失败，强制停止进程组...${NC}"
if [ -n "$PGID" ]; then
    kill -KILL -"$PGID" 2>/dev/null || kill -KILL "$PID"
else
    kill -KILL "$PID"
fi

# 强制停止所有相关Python进程
PYTHON_PIDS=$(ps aux | grep -E "(python.*main\.py|uvicorn.*main)" | grep -v grep | awk '{print $2}')
if [ -n "$PYTHON_PIDS" ]; then
    echo -e "${YELLOW}强制停止所有相关Python进程...${NC}"
    for py_pid in $PYTHON_PIDS; do
        echo -e "${YELLOW}强制停止Python进程: $py_pid${NC}"
        kill -KILL "$py_pid" 2>/dev/null || true
    done
fi

# 再次等待
sleep 3

if ! ps -p "$PID" > /dev/null 2>&1; then
    echo -e "${GREEN}服务已强制停止${NC}"
    rm -f "$PID_FILE"
    # 检查端口是否已释放
    if command -v lsof >/dev/null 2>&1; then
        if ! lsof -i :8079 >/dev/null 2>&1; then
            echo -e "${GREEN}端口8079已释放${NC}"
        else
            echo -e "${YELLOW}警告: 端口8079仍被占用，可能需要手动处理${NC}"
        fi
    fi
    exit 0
else
    echo -e "${RED}无法停止服务，请手动处理${NC}"
    echo -e "${RED}可以尝试: kill -9 $PID${NC}"
    echo -e "${RED}或检查端口占用: lsof -i :8079${NC}"
    exit 1
fi