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## 1. 搭建 SpringBoot Admin 监控服务器
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- 认识 SpringBoot Actuator
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- Actuator Endpoints(端点)
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- Endpoints 是 Actuator 的核心部分, 它用来监视应用程序及交互, SpringBoot Actuator 内置了很多 Endpoints, 并支持扩展
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- SpringBoot Actuator 提供的原生端点有三类:
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- 应用配置类:自动配置信息、Spring Bean 信息、yml 文件信息、环境信息等等
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- 度量指标类:主要是运行期间的动态信息，例如堆、健康指标、metrics 信息等等
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- 操作控制类:主要是指 shutdown，用户可以发送一个请求将应用的监控功能关闭
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---
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- 搭建 SpringBoot Admin 监控服务器
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- 搭建监控服务器的步骤
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- 添加 SpringBoot Admin Starter 自动配置依赖
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- spring-boot-admin-starter-server
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- 添加启动注解:@EnableAdminServer
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---
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- SpringBoot Admin 的访问地址: 127.0.0.1:7001/dev-protocol-springcloud-admin
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- 其他要被监控的服务加入
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```yml
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spring:
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# ...
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cloud:
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nacos:
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discovery:
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enabled: true
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server-addr: 127.0.0.1:8848
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namespace: 1bc13fd5-843b-4ac0-aa55-695c25bc0ac6
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metadata:
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management:
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context-path: ${server.servlet.context-path}/actuator
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# 暴露端点
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management:
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endpoints:
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web:
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exposure:
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include: '*' # 需要开放的端点。默认值只打开 health 和 info 两个端点。通过设置 *, 可以开放所有端点
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endpoint:
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health:
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show-details:
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```
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## 2. 监控中心服务器添加安全访问控制
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- 要记住要户名和密码, 防止之后忘记用户名和密码
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## 3. SpringBoot Admin 应用监控总结
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- 自定义告警
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- 需要有邮箱服务器, 来进行使用邮件告警
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- 其他的定制可以自己通过 AbstractEventNotifier 进行定制
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