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Ê×ÏÈ£¬ÎÒÃÇÐèÒªÔÚLinuxÉÏ×°ÖÃDockerºÍDocker Compose¡£DockerÊÇÒ»¸ö¿ªÔ´µÄÈÝÆ÷ÒýÇ棬ÓÃÓÚ½¨ÉèºÍÖÎÀíÈÝÆ÷¡£Docker ComposeÊÇÒ»¸ö¹¤¾ß£¬ÓÃÓÚ½ç˵ºÍÖÎÀí¶à¸öDockerÈÝÆ÷µÄÓ¦Óá£ÒÔÏÂÊÇÔÚUbuntuÉÏ×°ÖÃDockerºÍDocker ComposeµÄÏÂÁ

# ×°ÖÃDocker
sudo apt-get update
sudo apt-get install docker.io

# ×°ÖÃDocker Compose
sudo apt-get install docker-compose

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PrometheusÊÇÒ»¸ö¿ªÔ´µÄϵͳ¼à¿ØºÍ¾¯±¨¹¤¾ß£¬¿ÉÒÔÓÃÓÚ¼à¿ØÈÝÆ÷µÄ״̬ºÍÐÔÄÜ¡£ÒÔÏÂÊÇÔõÑùʹÓÃDocker ComposeÆô¶¯PrometheusµÄʾÀýÉèÖÃÎļþdocker-compose.yml£º

version: '3'
services:
  prometheus:
    image: prom/prometheus
    ports:
      - 9090:9090
    volumes:
      - ./prometheus.yml:/etc/prometheus/prometheus.yml

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½ÓÏÂÀ´£¬ÎÒÃÇÐèÒªÉèÖÃPrometheusÀ´¼à¿ØÈÝÆ÷¡£ÔÚÉÏÒ»²½ÖУ¬ÎÒÃǽ«ÍâµØµÄprometheus.ymlÉèÖÃÎļþ¹ÒÔص½ÁËÈÝÆ÷ÄÚ²¿¡£ÎÒÃÇ¿ÉÒԱ༭Õâ¸öÉèÖÃÎļþÀ´½ç˵ÐèÒª¼à¿ØµÄÄ¿µÄ¡£ÒÔÏÂÊÇÒ»¸ö¼òÆÓµÄprometheus.ymlʾÀý£º

global:
  scrape_interval: 15s
scrape_configs:
  - job_name: 'docker-containers'
    static_configs:
      - targets: ['cadvisor:8080']

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ÔÚÕâ¸öʾÀýÉèÖÃÖУ¬ÎÒÃǽç˵ÁËÒ»¸öÃûΪdocker-containersµÄjob£¬ÓÃÓÚ¼à¿ØDockerÈÝÆ÷¡£ÎÒÃǽ«¼à¿ØÄ¿µÄÉèÖÃΪcadvisor:8080£¬ÌåÏÖÎÒÃǽ«¼à¿ØcadvisorÈÝÆ÷µÄ8080¶Ë¿Ú¡£×¢ÖØ£¬cadvisorÊÇÒ»¸ö¿ªÔ´µÄÈÝÆ÷¼à¿Ø¹¤¾ß£¬¿ÉÒÔÓÃÓÚÍøÂçÈÝÆ÷µÄÐÔÄÜÊý¾Ý¡£

ËÄ¡¢Æô¶¯cAdvisor

ΪÁËÈÃPrometheusÄܹ»¼à¿ØÈÝÆ÷µÄ״̬ºÍÐÔÄÜ£¬ÎÒÃÇÐèҪͨ¹ýcAdvisorÀ´ÍøÂçÕâЩÊý¾Ý¡£cAdvisorÊÇÒ»¸ö¿ªÔ´µÄÈÝÆ÷¼à¿Ø¹¤¾ß£¬¿ÉÒÔÔÚDockerÖÐÆô¶¯¡£ÒÔÏÂÊÇʹÓÃDocker ComposeÆô¶¯cAdvisorµÄʾÀýÉèÖÃÎļþdocker-compose.yml£º

version: '3'
services:
  cadvisor:
    image: google/cadvisor
    ports:
      - 8080:8080
    volumes:
      - /:/rootfs:ro
      - /var/run:/var/run:rw
      - /sys:/sys:ro
      - /var/lib/docker:/var/lib/docker:ro

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Îå¡¢ÉèÖÃGrafana

GrafanaÊÇÒ»¸ö¿ªÔ´µÄ¿ÉÊÓ»¯¼à¿ØºÍÆÊÎö¹¤¾ß£¬¿ÉÒÔÓÃÓÚչʾPrometheusÍøÂçµÄ¼à¿ØÊý¾Ý¡£ÒÔÏÂÊÇÔõÑùʹÓÃDocker ComposeÆô¶¯GrafanaµÄʾÀýÉèÖÃÎļþdocker-compose.yml£º

version: '3'
services:
  grafana:
    image: grafana/grafana
    ports:
      - 3000:3000

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Prometheus: http://localhost:9090

Grafana: http://localhost:3000

ÔÚGrafanaÖУ¬ÎÒÃÇ¿ÉÒÔ½¨ÉèÒDZíÅÌÀ´Õ¹Ê¾ÈÝÆ÷µÄ¼à¿ØÊý¾Ý¡£ÎÒÃÇ¿ÉÒÔʹÓÃPrometheus×÷ΪÊý¾ÝÔ´£¬²¢Ê¹ÓÃPromQLÅÌÎÊÓïÑÔÀ´½ç˵Êý¾ÝÅÌÎÊ¡£ÀýÈ磬ÎÒÃÇ¿ÉÒÔ½¨ÉèÒ»¸öÒDZíÅÌ£¬Õ¹Ê¾ÈÝÆ÷µÄCPUʹÓÃÂʺÍÄÚ´æʹÓÃÂÊ¡£

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