Pnetlab Docker Test & Grafana

Docker Chrome 

Grafana(Docker pull로 Docker Hub에서 가져오기)

• mkdir 명령어를 이용해 docker-compose.yaml 파일이 위치할 디렉토리 생성

• vi로 docker-compose.yaml 파일 작성 
  docker-compose.yaml

  version: '3.3' #Pnetlab에서 3.4 이상으로 하면 Pnetlab Docker 버전이 낮아 Error 발생
  
  networks:
    monitoring-net:
      driver: bridge
      ipam:
        driver: default
        config:
          - subnet: 192.20.0.0/24
  
  services:
    loki:
      image: grafana/loki:latest
      container_name: loki
      ports:
        - "3100:3100"
      networks:
        - monitoring-net
      restart: unless-stopped
  
    grafana:
      image: grafana/grafana:latest
      container_name: grafana
      ports:
        - "3000:3000"
      depends_on:
        - loki
      networks:
        - monitoring-net
      volumes:
        - ./grafana_provisioning:/etc/grafana/provisioning
      restart: unless-stopped
  
    nginx:
      image: nginx:latest
      container_name: nginx
      ports:
        - "80:80"
      networks:
        - monitoring-net
      volumes:
        - ./nginx.conf:/etc/nginx/nginx.conf:ro
      depends_on:
        - grafana
      restart: unless-stopped

• vi로 nginx.conf 생성 후 작성 
  nginx.conf

  worker_processes auto;
  
  events {
      worker_connections 1024;
  }
  
  http {
      include /etc/nginx/mime.types;
      default_type application/octet-stream;
  
      sendfile on;
      keepalive_timeout 65;
  
      server {
          listen 80;
          server_name _;
  
          location / {
              proxy_pass http://grafana:3000; # Grafana 
              proxy_set_header Host $host;
              proxy_set_header X-Real-IP $remote_addr;
              proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
              proxy_set_header X-Forwarded-Proto $scheme;
          }
  
          # 만약 Loki UI도 Nginx를 통해 접근하고 싶다면 추가
          # location /loki/ {
          #     proxy_pass http://loki:3100/;
          #     proxy_set_header Host $host;
          #     proxy_set_header X-Real-IP $remote_addr;
          #     proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
          #     proxy_set_header X-Forwarded-Proto $scheme;
          # }
      }
  }

• docker-compose 시작

  docker-compose up

• Ubuntu의 버전이 낮으면 아래 사진과 같은 현상 발생
•