服务: webapp
+访问地址: http://app.local
+负载均衡: Traefik + Docker Swarm
+时间:
+这是通过 Traefik 路由的 Web 应用示例。
+服务: api
+访问地址: http://api.local
+路径路由: http://app.local/api
+负载均衡: Traefik + Docker Swarm
+时间:
+这是通过 Traefik 路由的 API 服务示例。
+服务: monitor
+访问地址: http://monitor.local
+认证: 基本认证保护
+负载均衡: Traefik + Docker Swarm
+时间:
+这是通过 Traefik 路由的监控服务示例。
+当前时间:
+ + + +EOF + +# 创建示例 API +cat > api/server.js << 'EOF' +const express = require('express'); +const consul = require('consul')(); +const app = express(); +const port = 3000; + +app.use(express.json()); + +// 健康检查 +app.get('/health', (req, res) => { + res.json({ status: 'healthy', timestamp: new Date().toISOString() }); +}); + +// API 路由 +app.get('/api/config', async (req, res) => { + try { + const result = await consul.kv.get('config/api/message'); + res.json({ + message: result ? result.Value : 'Hello from API!', + source: 'consul' + }); + } catch (error) { + res.json({ + message: 'Hello from API!', + source: 'default' + }); + } +}); + +app.post('/api/config', async (req, res) => { + try { + await consul.kv.set('config/api/message', req.body.message); + res.json({ success: true }); + } catch (error) { + res.status(500).json({ error: error.message }); + } +}); + +app.listen(port, () => { + console.log(`API server running on port ${port}`); +}); +EOF + +# 创建 API package.json +cat > api/package.json << 'EOF' +{ + "name": "demo-api", + "version": "1.0.0", + "dependencies": { + "express": "^4.18.0", + "consul": "^0.40.0" + } +} +EOF + +# 设置 hosts 文件（用于本地测试） +echo "📝 请添加以下内容到 /etc/hosts 文件：" +echo "127.0.0.1 traefik.local" +echo "127.0.0.1 consul.local" +echo "127.0.0.1 app.local" +echo "127.0.0.1 api.local" + +# 启动服务 +echo "🚀 启动 Traefik + Consul 集群..." +docker-compose -f traefik-consul-setup.yml up -d + +# 等待服务启动 +echo "⏳ 等待服务启动..." +sleep 10 + +# 检查服务状态 +echo "📊 检查服务状态..." +docker-compose -f traefik-consul-setup.yml ps + +# 显示访问地址 +echo "" +echo "🎉 部署完成！访问地址：" +echo " Traefik Dashboard: http://traefik.local:8080" +echo " Consul UI: http://consul.local:8500" +echo " Web App: http://app.local" +echo " API: http://api.local/api/config" +echo "" +echo "📝 测试命令：" +echo " curl http://api.local/api/config" +echo " curl -X POST http://api.local/api/config -H 'Content-Type: application/json' -d '{\"message\":\"Hello Consul!\"}'" \ No newline at end of file diff --git a/monitoring-stack.yml b/monitoring-stack.yml new file mode 100644 index 0000000..b673d7a --- /dev/null +++ b/monitoring-stack.yml @@ -0,0 +1,131 @@ +version: '3.8' + +services: + # Prometheus 监控 + prometheus: + image: prom/prometheus:latest + command: + - '--config.file=/etc/prometheus/prometheus.yml' + - '--storage.tsdb.path=/prometheus' + - '--web.console.libraries=/etc/prometheus/console_libraries' + - '--web.console.templates=/etc/prometheus/consoles' + - '--storage.tsdb.retention.time=200h' + - '--web.enable-lifecycle' + networks: + - traefik-public + - monitoring + configs: + - source: prometheus-config + target: /etc/prometheus/prometheus.yml + volumes: + - prometheus-data:/prometheus + deploy: + replicas: 1 + labels: + - traefik.enable=true + - traefik.http.routers.prometheus.rule=Host(`prometheus.local`) + - traefik.http.routers.prometheus.entrypoints=web + - traefik.http.services.prometheus.loadbalancer.server.port=9090 + restart_policy: + condition: on-failure + + # Grafana 可视化 + grafana: + image: grafana/grafana:latest + environment: + - GF_SECURITY_ADMIN_PASSWORD=admin123 + - GF_USERS_ALLOW_SIGN_UP=false + networks: + - traefik-public + - monitoring + volumes: + - grafana-data:/var/lib/grafana + deploy: + replicas: 1 + labels: + - traefik.enable=true + - traefik.http.routers.grafana.rule=Host(`grafana.local`) + - traefik.http.routers.grafana.entrypoints=web + - traefik.http.services.grafana.loadbalancer.server.port=3000 + restart_policy: + condition: on-failure + + # Node Exporter (系统指标) + node-exporter: + image: prom/node-exporter:latest + command: + - '--path.procfs=/host/proc' + - '--path.rootfs=/rootfs' + - '--path.sysfs=/host/sys' + - '--collector.filesystem.ignored-mount-points=^/(sys|proc|dev|host|etc)($$|/)' + volumes: + - /proc:/host/proc:ro + - /sys:/host/sys:ro + - /:/rootfs:ro + networks: + - monitoring + deploy: + mode: global + restart_policy: + condition: on-failure + + # cAdvisor (容器指标) + cadvisor: + image: gcr.io/cadvisor/cadvisor:latest + volumes: + - /:/rootfs:ro + - /var/run:/var/run:rw + - /sys:/sys:ro + - /var/lib/docker/:/var/lib/docker:ro + - /dev/disk/:/dev/disk:ro + networks: + - monitoring + deploy: + mode: global + restart_policy: + condition: on-failure + +networks: + traefik-public: + external: true + monitoring: + driver: overlay + +volumes: + prometheus-data: + grafana-data: + +configs: + prometheus-config: + content: | + global: + scrape_interval: 15s + evaluation_interval: 15s + + scrape_configs: + # Traefik 指标 + - job_name: 'traefik' + static_configs: + - targets: ['traefik:8080'] + metrics_path: /metrics + + # Prometheus 自身 + - job_name: 'prometheus' + static_configs: + - targets: ['localhost:9090'] + + # Node Exporter + - job_name: 'node-exporter' + dns_sd_configs: + - names: + - 'tasks.node-exporter' + type: 'A' + port: 9100 + + # cAdvisor + - job_name: 'cadvisor' + dns_sd_configs: + - names: + - 'tasks.cadvisor' + type: 'A' + port: 8080 \ No newline at end of file diff --git a/swarm-traefik-manager.sh b/swarm-traefik-manager.sh new file mode 100755 index 0000000..7d836c2 --- /dev/null +++ b/swarm-traefik-manager.sh @@ -0,0 +1,251 @@ +#!/bin/bash + +# Traefik + Docker Swarm 管理脚本 +# 用于部署、管理和监控 Traefik 在 Docker Swarm 中的集成 + +set -e + +SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)" +NETWORK_NAME="traefik-public" + +# 颜色定义 +RED='\033[0;31m' +GREEN='\033[0;32m' +YELLOW='\033[1;33m' +BLUE='\033[0;34m' +NC='\033[0m' # No Color + +# 日志函数 +log_info() { + echo -e "${BLUE}[INFO]${NC} $1" +} + +log_success() { + echo -e "${GREEN}[SUCCESS]${NC} $1" +} + +log_warning() { + echo -e "${YELLOW}[WARNING]${NC} $1" +} + +log_error() { + echo -e "${RED}[ERROR]${NC} $1" +} + +# 检查 Docker Swarm 状态 +check_swarm() { + log_info "检查 Docker Swarm 状态..." + if ! docker info | grep -q "Swarm: active"; then + log_error "Docker Swarm 未激活，请先初始化 Swarm 集群" + echo "运行: docker swarm init" + exit 1 + fi + log_success "Docker Swarm 已激活" +} + +# 创建网络 +create_network() { + log_info "创建 Traefik 公共网络..." + if docker network ls | grep -q "$NETWORK_NAME"; then + log_warning "网络 $NETWORK_NAME 已存在" + else + docker network create --driver overlay --attachable "$NETWORK_NAME" + log_success "网络 $NETWORK_NAME 创建成功" + fi +} + +# 部署 Traefik +deploy_traefik() { + log_info "部署 Traefik 服务..." + docker stack deploy -c "$SCRIPT_DIR/traefik-swarm-stack.yml" traefik + log_success "Traefik 部署完成" +} + +# 部署示例服务 +deploy_demo() { + log_info "部署示例服务..." + docker stack deploy -c "$SCRIPT_DIR/demo-services-stack.yml" demo + log_success "示例服务部署完成" +} + +# 部署监控服务 +deploy_monitoring() { + log_info "部署监控服务..." + docker stack deploy -c "$SCRIPT_DIR/monitoring-stack.yml" monitoring + log_success "监控服务部署完成" +} + +# 显示服务状态 +show_status() { + log_info "显示服务状态..." + echo "" + echo "=== Traefik Stack ===" + docker stack services traefik + echo "" + echo "=== Demo Stack ===" + docker stack services demo 2>/dev/null || echo "Demo stack not deployed" + echo "" + echo "=== Monitoring Stack ===" + docker stack services monitoring 2>/dev/null || echo "Monitoring stack not deployed" + echo "" +} + +# 显示访问地址 +show_urls() { + log_info "服务访问地址：" + echo "" + echo "🎛️ Traefik Dashboard: http://traefik.local:8080" + echo "🌐 Web App: http://app.local" + echo "🔌 API Service: http://api.local" + echo "📊 Monitor Service: http://monitor.local" + echo "📈 Prometheus: http://prometheus.local" + echo "📊 Grafana: http://grafana.local (admin/admin123)" + echo "" + echo "💡 请确保在 /etc/hosts 中添加以下条目：" + echo "127.0.0.1 traefik.local app.local api.local monitor.local prometheus.local grafana.local" +} + +# 查看日志 +show_logs() { + local service=${1:-traefik_traefik} + log_info "显示 $service 服务日志..." + docker service logs -f "$service" +} + +# 扩缩容服务 +scale_service() { + local stack=$1 + local service=$2 + local replicas=$3 + + if [[ -z "$stack" || -z "$service" || -z "$replicas" ]]; then + log_error "用法: $0 scale