[SpringBoot] Prometheus & Grafana & Docker 연동 작업

1. 설정하기

build.gradle

implementation 'org.springframework.boot:spring-boot-starter-actuator'
implementation 'io.micrometer:micrometer-registry-prometheus'

 

application.yml

management:
  endpoint:
    health:
      show-components: always
  #      show-details: always
  endpoints:
    web:
      exposure:
        include: "*"
  info:
    java:
      enabled: true
    os:
      enabled: true
    env:
      enabled: true
    git:
      mode: full
  server:
    port: 8090

 

compose.yml

services:
  prometheus:
    container_name: prometheus
    image: prom/prometheus:latest
    restart: always
    ports:
      - 9090:9090
    command:
      - '--web.enable-lifecycle'
      - '--config.file=/etc/prometheus/prometheus.yml'
    volumes:
      - ./prometheus:/etc/prometheus
    extra_hosts:
      host.docker.internal: host-gateway
  grafana:
    container_name: grafana
    image: grafana/grafana:latest
    restart: always
    ports:
      - 3000:3000
    environment:
      - GF_SECURITY_ADMIN_PASSWORD=admin
    volumes:
      - ./grafana-data:/var/lib/grafana
      - ./grafana-data/provisioning/:/etc/grafana/provisioning/

 

./prometheus/prometheus.yml

global:
  scrape_interval: 15s
  evaluation_interval: 15s
  external_labels:
    monitor: '라벨'
  query_log_file: query_log_file.log

scrape_configs:
  - job_name: "spring-actuator"
    metrics_path: "/actuator/prometheus"
    scrape_interval: 1s
    static_configs:
      - targets: [ "host.docker.internal:8090" ]

 

2. `http://localhost:3000` 접속하고, ID: admin, PW: admin 입력하기

3. `Update your password` 창이 뜬다면 입력폼 왼쪽 하단에 `Skip` 버튼 누르기

4. 왼쪽 상단에 `메뉴 > Connections > Data sources` 버튼 누르기

5. 화면 중앙에 `Add data source` 버튼 누르고 `Prometeus` 선택

6. `Connection` 입력창에 `http://prometheus:9090` 을 입력해 주고 쭉 내려서 `Save & test` 버튼 누르기

7. 정상적으로 연결이 됐다면 `메뉴 > Dashboards` 버튼 누르기

8. 오른쪽 상단에 `New` 버튼을 누르고 `Import` 선택

9. `URL or ID` 입력창에 `4701` 또는 `11378`을 입력하고 `Load` 버튼 누르기

 

10. 6번 과정에서 생성했던 `프로메테우스`와 연동시키기