prometheus监控springboot应用简单使用介绍详解

<dependency>
 <groupId>org.springframework.boot</groupId>
 <artifactId>spring-boot-starter-actuator</artifactId>
</dependency>

<dependency>
 <groupId>io.micrometer</groupId>
 <artifactId>micrometer-registry-prometheus</artifactId>
</dependency>

management:
 endpoints:
  jmx:
   exposure:
    include: "*"
  web:
   exposure:
    include: "*"
 metrics:
  export:
   datadog:
    application-key: ${spring.application.name}

@Bean MeterRegistryCustomizer<MeterRegistry> configurer(
  @Value("${spring.application.name}") String applicationName) {
  return (registry) -> registry.
    config().
    commonTags("application", applicationName);
}

global:
 scrape_interval:   15s  # 这个是每次数据手机的频率
 evaluation_interval: 15s  # 评估告警规则的频率。

rule_files:
 # - "first.rules"
 # - "second.rules"

scrape_configs:        # 通过这里的配置控制prometheus监控的资源
 - job_name: prometheus   # prometheus自身默认的
  static_configs:
   - targets: ['localhost:9090'] # 默认暴露的是9090端口服务

- job_name: 'spring-sample'
  metrics_path: 'actuator/prometheus'  # 这里我们springboot暴露出来的endpoint
  scrape_interval: 5s          # 信息收集时间是间隔5秒
  static_configs:
  - targets: ['localhost:8778']     # 这里是springboot暴露出来的地址和端口