[Monitoring] 도커 컨테이너(호스트) 모니터링

사용 포트

Cadvisor(inbound) : 8888/TCP(Prometheus 접근 허용)

docker-compose 설치

curl -L https://github.com/docker/compose/releases/download/1.21.0/docker-compose-`uname -s`-`uname -m` | sudo tee /usr/local/bin/docker-compose > /dev/null chmod +x /usr/local/bin/docker-compose ln -s /usr/local/bin/docker-compose /usr/bin/docker-compose

cadvisor 설치 시 에러 해결을 위한 링크 폴더 생성

mount -o remount,rw '/sys/fs/cgroup' ln -s /sys/fs/cgroup/cpu,cpuacct /sys/fs/cgroup/cpuacct,cpu

cadvisor 설치 및 실행

cat > /home/refine/cadvisor/docker-compose.yml << EOF version: '3.2' services:  cadvisor:   image: gcr.io/cadvisor/cadvisor:latest   container_name: cadvisor   privileged: true   ports:    - 8888:8080   volumes:    - /:/rootfs:ro    - /var/run:/var/run:rw    - /sys:/sys:ro    - /var/lib/docker/:/var/lib/docker:ro   restart: unless-stopped EOF  docker-compose up -d

prometheus 등록

  - job_name: 'cAdvisor'     scrape_interval: 5s     static_configs:     - targets: ['IP:PORT']

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