SpringBoot 使用 Prometheus 监控指标

Java › SpringBoot
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1. 添加依赖

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<dependency>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-starter-actuator</artifactId>
</dependency>
<dependency>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-starter-web</artifactId>
</dependency>
<dependency>
    <groupId>io.micrometer</groupId>
    <artifactId>micrometer-registry-prometheus</artifactId>
    <version>1.5.1</version>
</dependency>

2. 配置文件

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spring:
  application:
    name: prometheus-boot
management:
  metrics:
    tags:
      application: ${spring.application.name}
  endpoints:
    web:
      exposure:
        include: "*"

3. 修改启动类

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@SpringBootApplication
public class PrometheusApplication {
    public static void main(String[] args) {
        SpringApplication.run(PrometheusApplication.class, args);
    }

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

4. 配置 Prometheus

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global:
  scrape_interval:     60s
  evaluation_interval: 60s

scrape_configs:
  - job_name: prometheus
    static_configs:
      - targets: ['localhost:9090']
        labels:
          instance: prometheus

  - job_name: linux
    static_configs:
      - targets: ['10.4.7.155:9100']
        labels:
          instance: localhost

  - job_name: prometheus-boot
    scrape_interval: 5s
    metrics_path: '/actuator/prometheus'
    static_configs:
      - targets: ['10.4.7.155:8080']

5. 配置 Grafana

grafana-micrometer