podman部署使用prometheus+grafana监控spring-boot上报自定义指标

1、安装部署prometheus和grafana
  • 1.1、镜像准备
podman pull docker.io/grafana/grafana:10.0.1
podman pull bitnami/prometheus:2.45.0-debian-11-r0

  • 1.2、创建一个本地目录/data用于存储数据（目录需要赋读写权限）

  • 1.3、临时启动一个prometheus容器并从中拷贝配置文件prometheus.yml后停止

podman run --rm --name prometheus bitnami/prometheus:2.45.0-debian-11-r0
打开另外一个命令窗口拷贝文件
podman cp prometheus:/opt/bitnami/prometheus/conf/prometheus.yml /data/prometheus/prometheus.yml

配置文件prometheus.yml增加scrape_configs配置如下

scrape_configs:
  - job_name: "mixfate-prometheus"
    metrics_path: '/actuator/prometheus' # 指标获取路径（由一个spring-boot测试应用提供）
    scrape_interval: 5s # 间隔
    static_configs:
      - targets: ['192.168.1.28:8080'] # 指标实例的地址（默认http协议）
  • 1.4、运行prometheus
podman run -d --rm --name prometheus -p 9090:9090 -v /data/prometheus/prometheus.yml:/opt/bitnami/prometheus/conf/prometheus.yml docker.io/bitnami/prometheus:2.45.0-debian-11-r0
  • 1.5、运行grafana
mkdir /data/grafana
chmod 777 /data/grafana
podman run -d --rm --name grafana -p 3000:3000 -v /data/grafana:/var/lib/grafana docker.io/grafana/grafana:10.0.1

image.png

启动后即可通过http://localhost:3000/login访问，默认用户为和密码为admin，首次登录提示需要修改密码。

  • 1.6、配置数据源

image.png

2、spring-boot上报自定义指标
package com.mixfate.prometheus.monitor;

import io.micrometer.core.instrument.Counter;
import io.micrometer.core.instrument.DistributionSummary;

import io.micrometer.core.instrument.MeterRegistry;
import io.micrometer.prometheus.PrometheusMeterRegistry;
import jakarta.annotation.PostConstruct;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.scheduling.annotation.Scheduled;
import org.springframework.stereotype.Component;

import java.util.Random;

@Slf4j
@Component
public class MetricsMonitor {

    private Counter orderCount;

    private DistributionSummary amountSummary;

    private final MeterRegistry registry;

    @Autowired
    public MetricsMonitor(MeterRegistry registry){
        this.registry = registry;
    }

    @PostConstruct
    public void init(){
        orderCount = registry.counter("order_count","orderCount","mixfate");
        amountSummary = registry.summary("order_amount_sum","orderAmountSum","mixfate");
    }

    @Scheduled(cron="0/1 * * * * ?")
    public void generate(){
        log.info("generate");
        this.orderCount.increment();
        this.amountSummary.record(new Random().nextDouble(100));
    }

}
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