mica-prometheus 模块 ​

功能 ​

  • Spring cloud 对接 Prometheus http_sd，支持 servlet 和 webflux，建议集成到 Spring boot admin 这类非业务服务中。

依赖引用 ​

maven ​

xml
<dependency>
  <groupId>net.dreamlu</groupId>
  <artifactId>mica-prometheus</artifactId>
  <version>${version}</version>
</dependency>

gradle ​

groovy
compile("net.dreamlu:mica-prometheus:${version}")

http-sd 使用 ​

添加配置 ​

yaml
- job_name: micax-cloud
  honor_timestamps: true
  scrape_interval: 15s
  scrape_timeout: 10s
  metrics_path: /actuator/prometheus
  scheme: http
  http_sd_configs:
  - url: 'http://{ip}:{port}/actuator/prometheus/sd'

http sd basic auth ​

从 4.1.1 版本起，http sd 支持开启 Basic auth。prometheus 的 http_sd_configs 也支持 basic auth 配置，配合使用即可：

Spring Boot 配置 ​

yaml
mica:
  prometheus:
    basic-auth:
      enabled: true   # 默认 false，开启 basic auth
      username: mica  # basic auth 用户名
      password: mica  # basic auth 密码

prometheus http_sd_configs 配置 ​

yaml
- job_name: micax-cloud
  honor_timestamps: true
  scrape_interval: 15s
  scrape_timeout: 10s
  metrics_path: /actuator/prometheus
  scheme: http
  http_sd_configs:
  - url: 'http://{ip}:{port}/actuator/prometheus/sd'
    basic_auth:
      username: mica
      password: mica

效果图 ​

mica-prometheus 效果图

alert web hook ​

添加配置 ​

yaml
receivers:
- name: "alerts"
  webhook_configs:
  - url: 'http://{ip}:{port}/actuator/prometheus/alerts'
    send_resolved: true

自定义监听事件并处理 ​

java
@Async
@EventListener
public void onAlertEvent(AlertMessage message) {
	// 处理 alert webhook message
}