Docker入门 (3) | 简单网站监控器

Docker入门 (3) | 简单网站监控器

架构设计

2.实现

创建容器A并启动

sudo

将80端口映射到本地端口,打开浏览器访问run -i -t --link web:web --name web_test busybox /bin/sh

容器B是一个交互容器,运行后会进入shell模式,在shell模式访问80端口:

wget

显示了nginx服务器的页面结果

Connecting to web:80 (172.17.0.4:80) Welcome to nginx! Welcome to nginx!If you see this page, the nginx web server is successfully installed and working. Further configuration is required.For online documentation and support please refer to ​​nginx.org​​​. Commercial support is available at ​​​nginx.com​​.Thank you for using nginx.

由–tty(-t) 命令可以用键位ctrl+p+q来切换到终端

运行监控器

sudo

运行后会每秒一次显示web运行的状态

System up.

停止运行web

docker stop web

查看监控器日志

docker logs agent

System up. System up. nc: timed out

查看邮件日志

CH2 Example Mailer has started. Sending email: To: admin@work Message: The service is down!

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