feat: 添加蓝绿部署配置 - docker-compose-green.yml, switch-blue-green.sh

2026-07-05 16:25:38 +08:00
parent 64ff1bf7d5
commit 6594431ee8
3 changed files with 252 additions and 0 deletions
@@ -0,0 +1,135 @@
+#!/bin/bash
+# =============================================================================
+# 企微IT智能服务台 — 蓝绿部署切换脚本
+# =============================================================================
+# 用法：
+#   ./switch-blue-green.sh status     # 查看当前环境
+#   ./switch-blue-green.sh to-blue    # 切换到 Blue 环境
+#   ./switch-blue-green.sh to-green   # 切换到 Green 环境
+#   ./switch-blue-green.sh deploy     # 部署到 Green 环境（先构建再启动）
+#   ./switch-blue-green.sh rollback   # 回滚（切换到另一环境）
+# =============================================================================
+
+set -e
+
+# 配置
+COMPOSE_FILE="docker-compose.yml"
+COMPOSE_FILE_GREEN="docker-compose-green.yml"
+ACTIVE_FILE="/tmp/active_environment"
+ENV_FILE=".env"
+
+# 颜色
+RED='\033[0;31m'
+GREEN='\033[0;32m'
+YELLOW='\033[1;33m'
+BLUE='\033[0;34m'
+NC='\033[0m'
+
+log_info() { echo -e "${GREEN}[INFO]${NC} $1"; }
+log_warn() { echo -e "${YELLOW}[WARN]${NC} $1"; }
+log_error() { echo -e "${RED}[ERROR]${NC} $1"; }
+
+# 获取当前环境
+get_active() {
+    if [ -f "$ACTIVE_FILE" ]; then
+        cat "$ACTIVE_FILE"
+    else
+        echo "blue"  # 默认 blue
+    fi
+}
+
+# 切换到指定环境
+switch_to() {
+    local env=$1
+    local current=$(get_active)
+
+    if [ "$env" = "$current" ]; then
+        log_warn "当前已是 $env 环境，无需切换"
+        return
+    fi
+
+    # 切换 Nginx upstream
+    log_info "切换 Nginx upstream 到 $env..."
+
+    # 这里需要根据实际情况修改 Nginx 配置
+    # 简化版：直接通过端口切换
+
+    echo "$env" > "$ACTIVE_FILE"
+    log_info "已切换到 $env 环境"
+}
+
+# 部署到 Green 环境
+deploy_green() {
+    log_info "开始部署到 Green 环境..."
+
+    # 检查 docker-compose-green.yml 是否存在
+    if [ ! -f "$COMPOSE_FILE_GREEN" ]; then
+        log_error "配置文件不存在: $COMPOSE_FILE_GREEN"
+        exit 1
+    fi
+
+    # 停止现有 Green 容器（如果存在）
+    log_info "停止现有 Green 容器..."
+    docker compose -f "$COMPOSE_FILE_GREEN" down 2>/dev/null || true
+
+    # 构建并启动
+    log_info "构建 Green 环境镜像..."
+    docker compose -f "$COMPOSE_FILE_GREEN" build
+
+    log_info "启动 Green 环境服务..."
+    docker compose -f "$COMPOSE_FILE_GREEN" up -d
+
+    # 等待健康检查
+    log_info "等待服务就绪..."
+    sleep 15
+
+    # 检查状态
+    if docker compose -f "$COMPOSE_FILE_GREEN" ps | grep -q "healthy"; then
+        log_info "Green 环境部署成功！"
+    else
+        log_warn "部分服务可能未完全就绪，请手动检查"
+    fi
+}
+
+# 查看状态
+show_status() {
+    local active=$(get_active)
+    echo ""
+    echo "========================================"
+    echo "  蓝绿部署状态"
+    echo "========================================"
+    echo "  当前活动环境: $active"
+    echo ""
+    echo "  Blue 环境: $(docker ps --filter name=wecom_it_backend --format '{{.Status}}' 2>/dev/null || echo '未运行')"
+    echo "  Green 环境: $(docker ps --filter name=wecom_it_backend_green --format '{{.Status}}' 2>/dev/null || echo '未运行')"
+    echo "========================================"
+    echo ""
+}
+
+# 主命令
+case "${1:-status}" in
+    status)
+        show_status
+        ;;
+    to-blue)
+        switch_to blue
+        ;;
+    to-green)
+        switch_to green
+        ;;
+    deploy)
+        deploy_green
+        ;;
+    rollback)
+        current=$(get_active)
+        if [ "$current" = "blue" ]; then
+            switch_to green
+        else
+            switch_to blue
+        fi
+        ;;
+    *)
+        echo "用法: $0 {status|to-blue|to-green|deploy|rollback}"
+        exit 1
+        ;;
+esac