377 lines
12 KiB
Bash
Executable File
377 lines
12 KiB
Bash
Executable File
#!/bin/bash
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# 服务器迁移脚本
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# 从旧服务器迁移到新服务器（包括数据库数据）
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set -e # 遇到错误立即退出
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# 配置
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OLD_SERVER="156.225.27.52"
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OLD_PORT="5204"
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OLD_USER="root"
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OLD_PASS="${DEPLOY_SSH_PASSWORD:?set DEPLOY_SSH_PASSWORD}"
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NEW_SERVER="114.66.31.51"
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NEW_PORT="22"
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NEW_USER="root"
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NEW_PASS="vsvhSIHN5531"
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PROJECT_DIR="/var/www/ai-chatbot"
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BACKUP_DIR="/tmp/ai-chatbot-migration"
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TIMESTAMP=$(date +%Y%m%d_%H%M%S)
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echo "=========================================="
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echo "AI Chatbot 服务器迁移脚本"
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echo "=========================================="
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echo "旧服务器: $OLD_USER@$OLD_SERVER:$OLD_PORT"
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echo "新服务器: $NEW_USER@$NEW_SERVER:$NEW_PORT"
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echo "时间: $(date)"
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echo "=========================================="
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echo ""
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# 检查 sshpass 是否安装
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if ! command -v sshpass &> /dev/null; then
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echo "❌ sshpass 未安装，正在安装..."
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if [[ "$OSTYPE" == "darwin"* ]]; then
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brew install hudochenkov/sshpass/sshpass || echo "请手动安装: brew install hudochenkov/sshpass/sshpass"
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else
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sudo apt-get update && sudo apt-get install -y sshpass
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fi
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fi
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# 测试连接
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echo "🔍 测试服务器连接..."
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echo "测试旧服务器连接..."
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if sshpass -p "$OLD_PASS" ssh -p "$OLD_PORT" -o StrictHostKeyChecking=no -o ConnectTimeout=10 "$OLD_USER@$OLD_SERVER" "echo '连接成功'" > /dev/null 2>&1; then
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echo "✅ 旧服务器连接正常"
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else
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echo "❌ 无法连接到旧服务器"
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exit 1
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fi
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echo "测试新服务器连接..."
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if sshpass -p "$NEW_PASS" ssh -p "$NEW_PORT" -o StrictHostKeyChecking=no -o ConnectTimeout=10 "$NEW_USER@$NEW_SERVER" "echo '连接成功'" > /dev/null 2>&1; then
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echo "✅ 新服务器连接正常"
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else
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echo "❌ 无法连接到新服务器"
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exit 1
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fi
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# 步骤1: 在旧服务器上备份数据库
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echo ""
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echo "📦 步骤 1/9: 在旧服务器上备份数据库..."
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sshpass -p "$OLD_PASS" ssh -p "$OLD_PORT" "$OLD_USER@$OLD_SERVER" << 'EOF'
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cd /var/www/ai-chatbot
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if [ ! -f .env.local ]; then
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echo "❌ 未找到 .env.local 文件"
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exit 1
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fi
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# 读取 POSTGRES_URL
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POSTGRES_URL=$(grep "^POSTGRES_URL=" .env.local | cut -d '=' -f2- | tr -d '"' | tr -d "'")
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if [ -z "$POSTGRES_URL" ]; then
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echo "❌ 无法读取 POSTGRES_URL"
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exit 1
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fi
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# 解析数据库连接信息
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DB_NAME=$(echo "$POSTGRES_URL" | sed -n 's|.*/\([^?]*\)$|\1|p')
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DB_USER=$(echo "$POSTGRES_URL" | sed -n 's|.*://\([^:]*\):.*|\1|p')
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DB_PASS=$(echo "$POSTGRES_URL" | sed -n 's|.*://[^:]*:\([^@]*\)@.*|\1|p')
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DB_HOST=$(echo "$POSTGRES_URL" | sed -n 's|.*@\([^:]*\):.*|\1|p')
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DB_PORT=$(echo "$POSTGRES_URL" | sed -n 's|.*:\([0-9]*\)/.*|\1|p')
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# 如果端口为空，使用默认端口
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if [ -z "$DB_PORT" ]; then
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DB_PORT=5432
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fi
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echo "数据库信息: $DB_USER@$DB_HOST:$DB_PORT/$DB_NAME"
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# 创建备份目录
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mkdir -p /tmp/ai-chatbot-backup
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# 使用 pg_dump 备份数据库
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export PGPASSWORD="$DB_PASS"
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BACKUP_FILE="/tmp/ai-chatbot-backup/database_backup_$(date +%Y%m%d_%H%M%S).dump"
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pg_dump -h "$DB_HOST" -p "$DB_PORT" -U "$DB_USER" -d "$DB_NAME" -F c -f "$BACKUP_FILE" 2>&1
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if [ $? -eq 0 ]; then
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echo "✅ 数据库备份完成: $BACKUP_FILE"
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ls -lh "$BACKUP_FILE"
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else
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echo "❌ 数据库备份失败"
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exit 1
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fi
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EOF
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# 步骤2: 下载备份文件
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echo ""
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echo "📥 步骤 2/9: 下载数据库备份文件..."
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mkdir -p "$BACKUP_DIR"
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LATEST_BACKUP=$(sshpass -p "$OLD_PASS" ssh -p "$OLD_PORT" "$OLD_USER@$OLD_SERVER" "ls -t /tmp/ai-chatbot-backup/*.dump 2>/dev/null | head -1")
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if [ -z "$LATEST_BACKUP" ]; then
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echo "❌ 未找到备份文件"
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exit 1
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fi
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echo "正在下载: $LATEST_BACKUP"
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sshpass -p "$OLD_PASS" scp -P "$OLD_PORT" "$OLD_USER@$OLD_SERVER:$LATEST_BACKUP" "$BACKUP_DIR/database.dump"
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if [ $? -eq 0 ]; then
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echo "✅ 数据库备份文件已下载 ($(du -h "$BACKUP_DIR/database.dump" | cut -f1))"
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else
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echo "❌ 数据库备份文件下载失败"
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exit 1
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fi
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# 步骤3: 下载项目文件和配置
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echo ""
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echo "📥 步骤 3/9: 下载项目文件..."
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sshpass -p "$OLD_PASS" ssh -p "$OLD_PORT" "$OLD_USER@$OLD_SERVER" << 'EOF'
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cd /var/www/ai-chatbot
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# 创建项目打包（排除 node_modules 和 .next）
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tar --exclude='node_modules' \
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--exclude='.next' \
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--exclude='.git' \
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--exclude='*.log' \
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-czf /tmp/ai-chatbot-backup/project.tar.gz .
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echo "✅ 项目文件打包完成"
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EOF
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sshpass -p "$OLD_PASS" scp -P "$OLD_PORT" "$OLD_USER@$OLD_SERVER:/tmp/ai-chatbot-backup/project.tar.gz" "$BACKUP_DIR/"
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echo "✅ 项目文件已下载"
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# 下载环境变量文件
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echo ""
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echo "📥 步骤 4/9: 下载环境变量文件..."
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sshpass -p "$OLD_PASS" scp -P "$OLD_PORT" "$OLD_USER@$OLD_SERVER:/var/www/ai-chatbot/.env.local" "$BACKUP_DIR/.env.local" 2>/dev/null || echo "⚠️ 未找到 .env.local 文件（将在新服务器上手动配置）"
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echo "✅ 环境变量文件已下载"
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# 步骤5: 在新服务器上初始化环境
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echo ""
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echo "🔧 步骤 5/9: 在新服务器上初始化环境..."
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sshpass -p "$NEW_PASS" ssh -p "$NEW_PORT" "$NEW_USER@$NEW_SERVER" << 'ENVEOF'
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# 更新系统
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apt-get update -qq
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# 安装必要的工具
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DEBIAN_FRONTEND=noninteractive apt-get install -y -qq \
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curl \
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wget \
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git \
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build-essential \
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postgresql-client \
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postgresql \
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nginx \
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certbot \
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python3-certbot-nginx
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# 安装 Node.js 20.x
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if ! command -v node &> /dev/null; then
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curl -fsSL https://deb.nodesource.com/setup_20.x | bash -
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apt-get install -y -qq nodejs
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fi
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# 安装 PM2
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if ! command -v pm2 &> /dev/null; then
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npm install -g pm2
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fi
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# 安装 pnpm
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if ! command -v pnpm &> /dev/null; then
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npm install -g pnpm
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fi
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echo "✅ 环境初始化完成"
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ENVEOF
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# 步骤6: 创建数据库
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echo ""
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echo "🗄️ 步骤 6/9: 在新服务器上创建数据库..."
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sshpass -p "$NEW_PASS" ssh -p "$NEW_PORT" "$NEW_USER@$NEW_SERVER" << 'DBEOF'
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# 启动 PostgreSQL
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systemctl start postgresql
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systemctl enable postgresql
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# 读取旧的环境变量（如果存在）来获取数据库信息
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# 这里我们创建新的数据库，稍后会导入数据
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sudo -u postgres psql << 'PSQLEOF'
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-- 创建数据库（如果不存在）
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SELECT 'CREATE DATABASE ai_chatbot'
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WHERE NOT EXISTS (SELECT FROM pg_database WHERE datname = 'ai_chatbot')\gexec
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-- 创建用户（如果不存在）
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DO \$\$
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BEGIN
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IF NOT EXISTS (SELECT FROM pg_user WHERE usename = 'chatbot_user') THEN
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CREATE USER chatbot_user WITH PASSWORD 'chatbot_password_change_me';
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END IF;
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END
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\$\$;
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-- 授权
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GRANT ALL PRIVILEGES ON DATABASE ai_chatbot TO chatbot_user;
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ALTER DATABASE ai_chatbot OWNER TO chatbot_user;
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PSQLEOF
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echo "✅ 数据库创建完成"
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DBEOF
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# 步骤7: 上传文件到新服务器
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echo ""
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echo "📤 步骤 7/9: 上传文件到新服务器..."
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sshpass -p "$NEW_PASS" ssh -p "$NEW_PORT" "$NEW_USER@$NEW_SERVER" "mkdir -p $PROJECT_DIR"
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sshpass -p "$NEW_PASS" scp -P "$NEW_PORT" "$BACKUP_DIR/project.tar.gz" "$NEW_USER@$NEW_SERVER:/tmp/"
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sshpass -p "$NEW_PASS" scp -P "$NEW_PORT" "$BACKUP_DIR/database.dump" "$NEW_USER@$NEW_SERVER:/tmp/"
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# 在新服务器上解压项目
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sshpass -p "$NEW_PASS" ssh -p "$NEW_PORT" "$NEW_USER@$NEW_SERVER" << 'EXTRACTEOF'
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cd /var/www/ai-chatbot
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tar -xzf /tmp/project.tar.gz
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chown -R root:root .
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echo "✅ 项目文件已解压"
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EXTRACTEOF
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# 步骤8: 在新服务器上配置和恢复
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echo ""
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echo "⚙️ 步骤 8/9: 在新服务器上配置和恢复..."
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sshpass -p "$NEW_PASS" ssh -p "$NEW_PORT" "$NEW_USER@$NEW_SERVER" << 'CONFIGEOF'
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cd /var/www/ai-chatbot
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# 如果存在旧的环境变量文件，需要更新数据库连接信息
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if [ -f .env.local ]; then
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# 更新 POSTGRES_URL 为新服务器的数据库
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sed -i 's|POSTGRES_URL=.*|POSTGRES_URL=postgresql://chatbot_user:chatbot_password_change_me@localhost:5432/ai_chatbot|g' .env.local
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# 更新 AUTH_URL 为新服务器地址
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sed -i "s|AUTH_URL=.*|AUTH_URL=http://114.66.31.51|g" .env.local
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else
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# 创建新的环境变量文件
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cat > .env.local << 'ENVFILE'
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POSTGRES_URL=postgresql://chatbot_user:chatbot_password_change_me@localhost:5432/ai_chatbot
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AUTH_SECRET=$(openssl rand -base64 32)
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AUTH_URL=http://114.66.31.51
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NODE_ENV=production
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ENVFILE
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fi
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# 导入数据库
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echo "正在导入数据库..."
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export PGPASSWORD="chatbot_password_change_me"
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# 尝试恢复，忽略已存在的错误
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pg_restore -h localhost -p 5432 -U chatbot_user -d ai_chatbot -c --no-owner --no-privileges /tmp/database.dump 2>&1 | grep -v -E "(already exists|does not exist|ERROR.*already)" || true
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echo "✅ 数据库导入完成（已忽略重复项）"
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# 安装依赖
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echo "正在安装依赖..."
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pnpm install --frozen-lockfile
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echo "✅ 依赖安装完成"
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# 运行数据库迁移（如果需要）
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echo "正在运行数据库迁移..."
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pnpm db:migrate || echo "⚠️ 数据库迁移跳过或失败"
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echo "✅ 数据库迁移完成"
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# 构建项目
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echo "正在构建项目..."
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pnpm build
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echo "✅ 项目构建完成"
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# 配置 PM2
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echo "正在配置 PM2..."
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cat > ecosystem.config.js << 'PM2EOF'
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module.exports = {
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apps: [{
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name: 'ai-chatbot',
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script: 'node_modules/next/dist/bin/next',
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args: 'start',
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cwd: '/var/www/ai-chatbot',
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instances: 1,
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exec_mode: 'fork',
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env: {
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NODE_ENV: 'production',
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PORT: 3000
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},
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error_file: '/var/log/pm2/ai-chatbot-error.log',
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out_file: '/var/log/pm2/ai-chatbot-out.log',
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log_date_format: 'YYYY-MM-DD HH:mm:ss Z',
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merge_logs: true,
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autorestart: true,
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max_memory_restart: '1G'
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}]
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};
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PM2EOF
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# 启动应用
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pm2 delete ai-chatbot 2>/dev/null || true
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pm2 start ecosystem.config.js
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pm2 save
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pm2 startup systemd -u root --hp /root || true
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echo "✅ PM2 配置完成"
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# 配置 Nginx
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echo "正在配置 Nginx..."
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cat > /etc/nginx/sites-available/ai-chatbot << 'NGINXEOF'
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server {
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listen 80;
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server_name 114.66.31.51;
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location / {
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proxy_pass http://localhost:3000;
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proxy_http_version 1.1;
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proxy_set_header Upgrade $http_upgrade;
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proxy_set_header Connection 'upgrade';
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proxy_set_header Host $host;
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proxy_set_header X-Real-IP $remote_addr;
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proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
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proxy_set_header X-Forwarded-Proto $scheme;
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proxy_cache_bypass $http_upgrade;
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proxy_read_timeout 300s;
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proxy_connect_timeout 75s;
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}
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}
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NGINXEOF
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ln -sf /etc/nginx/sites-available/ai-chatbot /etc/nginx/sites-enabled/
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rm -f /etc/nginx/sites-enabled/default
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nginx -t && systemctl reload nginx
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echo "✅ Nginx 配置完成"
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# 清理临时文件
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rm -f /tmp/project.tar.gz /tmp/database.dump
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echo "✅ 临时文件已清理"
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echo ""
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echo "=========================================="
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echo "✅ 迁移完成！"
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echo "=========================================="
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echo "新服务器地址: http://114.66.31.51"
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echo "请检查以下内容："
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echo "1. 检查 .env.local 文件中的配置（特别是数据库密码）"
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echo "2. 检查 PM2 状态: pm2 status"
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echo "3. 检查日志: pm2 logs ai-chatbot"
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echo "4. 访问网站验证功能"
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echo "=========================================="
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CONFIGEOF
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echo ""
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echo "✅ 步骤 9/9: 清理临时文件..."
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rm -rf "$BACKUP_DIR"
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echo "✅ 临时文件已清理"
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echo ""
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echo "🎉 迁移脚本执行完成！"
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echo ""
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echo "📝 后续步骤："
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echo "1. 连接到新服务器: ssh -p $NEW_PORT $NEW_USER@$NEW_SERVER"
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echo "2. 检查数据库密码: cd $PROJECT_DIR && cat .env.local"
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echo "3. 如果需要，更新数据库密码并更新 .env.local"
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echo "4. 检查服务状态: pm2 status && pm2 logs"
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echo "5. 访问网站: http://$NEW_SERVER"
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echo ""
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echo "⚠️ 重要提示："
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echo "- 请更新数据库密码（.env.local 中的 POSTGRES_URL）"
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echo "- 如果使用域名，请更新 AUTH_URL"
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echo "- 检查所有环境变量是否正确配置"
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