{"id":51252,"date":"2024-12-03T14:06:56","date_gmt":"2024-12-03T06:06:56","guid":{"rendered":"https:\/\/fwq.ai\/blog\/51252\/"},"modified":"2024-12-03T14:06:56","modified_gmt":"2024-12-03T06:06:56","slug":"%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8docker%e8%bf%9b%e8%a1%8c%e5%ae%b9%e5%99%a8%e7%9a%84%e7%9b%91%e6%8e%a7%e5%92%8c%e5%91%8a%e8%ad%a6%e5%a4%84%e7%90%86-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/51252\/","title":{"rendered":"\u5982\u4f55\u4f7f\u7528Docker\u8fdb\u884c\u5bb9\u5668\u7684\u76d1\u63a7\u548c\u544a\u8b66\u5904\u7406"},"content":{"rendered":"

<\/b> <\/p>\n

\u5982\u4f55\u4f7f\u7528Docker\u8fdb\u884c\u5bb9\u5668\u7684\u76d1\u63a7\u548c\u544a\u8b66\u5904\u7406<\/h1>\n

\u4e0d\u77e5\u9053\u5927\u5bb6\u662f\u5426\u719f\u6089\uff1f\u4eca\u5929\u6211\u5c06\u7ed9\u5927\u5bb6\u4ecb\u7ecd\u300a\u5982\u4f55\u4f7f\u7528Docker\u8fdb\u884c\u5bb9\u5668\u7684\u76d1\u63a7\u548c\u544a\u8b66\u5904\u7406\u300b<\/span>\uff0c\u8fd9\u7bc7\u6587\u7ae0\u4e3b\u8981\u4f1a\u8bb2\u5230<\/span>\u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u5982\u679c\u4f60\u5728\u770b\u5b8c\u672c\u7bc7\u6587\u7ae0\u540e\uff0c\u6709\u66f4\u597d\u7684\u5efa\u8bae\u6216\u8005\u53d1\u73b0\u54ea\u91cc\u6709\u95ee\u9898\uff0c\u5e0c\u671b\u5927\u5bb6\u90fd\u80fd\u79ef\u6781\u8bc4\u8bba\u6307\u51fa\uff0c\u8c22\u8c22\uff01\u5e0c\u671b\u6211\u4eec\u80fd\u4e00\u8d77\u52a0\u6cb9\u8fdb\u6b65\uff01<\/p>\n

\u5982\u4f55\u4f7f\u7528Docker\u8fdb\u884c\u5bb9\u5668\u7684\u76d1\u63a7\u548c\u544a\u8b66\u5904\u7406<\/p>\n

\u4e00\u3001\u5f15\u8a00
\u968f\u7740\u5bb9\u5668\u6280\u672f\u7684\u5e7f\u6cdb\u5e94\u7528\uff0c\u5bb9\u5668\u7684\u76d1\u63a7\u548c\u544a\u8b66\u5904\u7406\u53d8\u5f97\u6108\u53d1\u91cd\u8981\u3002Docker\u662f\u76ee\u524d\u6700\u6d41\u884c\u7684\u5bb9\u5668\u7ba1\u7406\u5e73\u53f0\u4e4b\u4e00\uff0c\u672c\u6587\u5c06\u4ecb\u7ecd\u5982\u4f55\u4f7f\u7528Docker\u8fdb\u884c\u5bb9\u5668\u7684\u76d1\u63a7\u548c\u544a\u8b66\u5904\u7406\uff0c\u5e76\u7ed9\u51fa\u5177\u4f53\u7684\u4ee3\u7801\u793a\u4f8b\u3002<\/p>\n

\u4e8c\u3001\u76d1\u63a7Docker\u5bb9\u5668<\/p>\n

    \n
  1. \u4f7f\u7528Docker Stats API
    Docker Stats API\u662fDocker\u63d0\u4f9b\u7684\u4e00\u4e2a\u7528\u4e8e\u83b7\u53d6\u5bb9\u5668\u7edf\u8ba1\u4fe1\u606f\u7684API\u3002\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u8c03\u7528\u8be5API\u83b7\u53d6\u5bb9\u5668\u7684\u5404\u9879\u6307\u6807\uff0c\u5e76\u8fdb\u884c\u76d1\u63a7\u3002
    \u5177\u4f53\u4ee3\u7801\u793a\u4f8b\u5982\u4e0b\uff1a<\/li>\n<\/ol>\n
    import docker\n\nclient = docker.DockerClient(base_url='unix:\/\/var\/run\/docker.sock')\n\ndef monitor_container(container_id):\n    container = client.containers.get(container_id)\n    stats = container.stats(stream=False)\n    print(stats)\n\nif __name__ == '__main__':\n    monitor_container('CONTAINER_ID')<\/pre>\n
      \n
    1. \u4f7f\u7528Prometheus\u548ccAdvisor
      Prometheus\u662f\u4e00\u4e2a\u5f00\u6e90\u7684\u76d1\u63a7\u7cfb\u7edf\uff0c\u800ccAdvisor\u662f\u7528\u4e8e\u76d1\u63a7\u5bb9\u5668\u7684\u5de5\u5177\u3002\u7ed3\u5408\u8fd9\u4e24\u4e2a\u5de5\u5177\uff0c\u6211\u4eec\u53ef\u4ee5\u5b9e\u73b0\u5bf9\u5bb9\u5668\u7684\u5168\u9762\u76d1\u63a7\u3002
      \u5177\u4f53\u4ee3\u7801\u793a\u4f8b\u5982\u4e0b\uff1a<\/li>\n<\/ol>\n
      \u9996\u5148\uff0c\u6211\u4eec\u9700\u8981\u5b89\u88c5\u5e76\u542f\u52a8Prometheus\u548ccAdvisor\u3002\u7136\u540e\u5728Prometheus\u7684\u914d\u7f6e\u6587\u4ef6prometheus.yml<\/code>\u4e2d\u6dfb\u52a0\u4ee5\u4e0b\u5185\u5bb9\uff1a<\/p>\n
      scrape_configs:\n  - job_name: 'cadvisor'\n    scrape_interval: 5s\n    static_configs:\n    - targets: ['cadvisor:8080']<\/pre>\n
      \u63a5\u4e0b\u6765\uff0c\u5728Python\u4e2d\u4f7f\u7528Prometheus\u63d0\u4f9b\u7684\u5ba2\u6237\u7aef\u5e93\u6765\u67e5\u8be2\u5e76\u5904\u7406\u5bb9\u5668\u7684\u76d1\u63a7\u6570\u636e\u3002\u5177\u4f53\u4ee3\u7801\u793a\u4f8b\u5982\u4e0b\uff1a<\/p>\n
      from prometheus_api_client import PrometheusConnect\n\nprometheus = PrometheusConnect(url='http:\/\/localhost:9090')\n\ndef get_container_cpu_usage(container_id):\n    query = 'sum(rate(container_cpu_usage_seconds_total{container_label_com_docker_swarm_service_id=\"%s\"}[5m]))' % (container_id)\n    result = prometheus.custom_query(query)\n    return result['data']['result']\n\nif __name__ == '__main__':\n    container_id = 'CONTAINER_ID'\n    cpu_usage = get_container_cpu_usage(container_id)\n    print(cpu_usage)<\/pre>\n
      \u4e09\u3001\u544a\u8b66\u5904\u7406<\/p>\n
        \n
      1. \u4f7f\u7528Docker Stats API\u548c\u90ae\u4ef6\u544a\u8b66
        \u4f7f\u7528Docker Stats API\u83b7\u53d6\u5bb9\u5668\u7684\u76d1\u63a7\u6570\u636e\uff0c\u5e76\u6839\u636e\u6211\u4eec\u8bbe\u5b9a\u7684\u9608\u503c\u8fdb\u884c\u544a\u8b66\u5904\u7406\u3002\u5982\u679c\u5bb9\u5668\u7684\u67d0\u9879\u6307\u6807\u8d85\u8fc7\u4e86\u8bbe\u5b9a\u7684\u9608\u503c\uff0c\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u90ae\u4ef6\u53d1\u9001\u544a\u8b66\u4fe1\u606f\u3002
        \u5177\u4f53\u4ee3\u7801\u793a\u4f8b\u5982\u4e0b\uff1a<\/li>\n<\/ol>\n
        import docker\nimport smtplib\nfrom email.mime.text import MIMEText\n\nclient = docker.DockerClient(base_url='unix:\/\/var\/run\/docker.sock')\n\ndef monitor_container(container_id):\n    container = client.containers.get(container_id)\n    stats = container.stats(stream=False)\n    \n    # \u68c0\u67e5\u67d0\u4e2a\u6307\u6807\u662f\u5426\u8d85\u8fc7\u9608\u503c\uff0c\u8fd9\u91cc\u4ee5CPU\u4f7f\u7528\u7387\u4e3a\u4f8b\n    cpu_usage = stats['cpu_stats']['cpu_usage']['total_usage']\n    cpu_limit = stats['cpu_stats']['cpu_usage']['percpu_usage'].size\n    cpu_usage_percent = cpu_usage \/ cpu_limit * 100\n\n    if cpu_usage_percent > 80:\n        send_alert_email(container_id, cpu_usage_percent)\n\ndef send_alert_email(container_id, cpu_usage_percent):\n    msg = MIMEText('\u5bb9\u5668 %s \u7684CPU\u4f7f\u7528\u7387\u8d85\u8fc780%%\uff0c\u5f53\u524d\u4f7f\u7528\u7387\u4e3a%.2f%%' % (container_id, cpu_usage_percent), 'plain', 'utf-8')\n    msg['Subject'] = '\u5bb9\u5668\u544a\u8b66'\n    msg['From'] = 'alert@example.com'\n    msg['To'] = 'admin@example.com'\n    \n    server = smtplib.SMTP('smtp.example.com')\n    server.login('username', 'password')\n    server.sendmail('alert@example.com', ['admin@example.com'], msg.as_string())\n    server.quit()\n\nif __name__ == '__main__':\n    monitor_container('CONTAINER_ID')<\/pre>\n
          \n
        1. \u4f7f\u7528Prometheus\u548cAlertmanager
          Prometheus\u63d0\u4f9b\u4e86\u4e00\u4e2a\u540d\u4e3aAlertmanager\u7684\u7ec4\u4ef6\uff0c\u7528\u4e8e\u5904\u7406\u548c\u53d1\u9001\u544a\u8b66\u901a\u77e5\u3002\u6211\u4eec\u53ef\u4ee5\u5229\u7528\u5b83\u6765\u76d1\u63a7\u5bb9\u5668\u7684\u6307\u6807\u5e76\u6839\u636e\u8bbe\u5b9a\u7684\u89c4\u5219\u53d1\u9001\u76f8\u5e94\u7684\u544a\u8b66\u901a\u77e5\u3002
          \u5177\u4f53\u4ee3\u7801\u793a\u4f8b\u7565\u3002<\/li>\n<\/ol>\n
          \u56db\u3001\u603b\u7ed3
          \u672c\u6587\u4ecb\u7ecd\u4e86\u5982\u4f55\u4f7f\u7528Docker\u8fdb\u884c\u5bb9\u5668\u7684\u76d1\u63a7\u548c\u544a\u8b66\u5904\u7406\uff0c\u5e76\u7ed9\u51fa\u4e86\u5177\u4f53\u7684\u4ee3\u7801\u793a\u4f8b\u3002\u5bb9\u5668\u7684\u76d1\u63a7\u548c\u544a\u8b66\u5904\u7406\u5bf9\u4e8e\u4fdd\u969c\u5bb9\u5668\u8fd0\u884c\u7684\u7a33\u5b9a\u6027\u548c\u53ef\u9760\u6027\u975e\u5e38\u91cd\u8981\uff0c\u5e0c\u671b\u672c\u6587\u5bf9\u60a8\u6709\u6240\u5e2e\u52a9\u3002<\/p>\n
          \u4ee5\u4e0a\u5c31\u662f\u672c\u6587\u7684\u5168\u90e8\u5185\u5bb9\u4e86\uff0c\u662f\u5426\u6709\u987a\u5229\u5e2e\u52a9\u4f60\u89e3\u51b3\u95ee\u9898\uff1f\u82e5\u662f\u80fd\u7ed9\u4f60\u5e26\u6765\u5b66\u4e60\u4e0a\u7684\u5e2e\u52a9\uff0c\u8bf7\u5927\u5bb6\u591a\u591a\u652f\u6301\u7c73\u4e91\uff01\u66f4\u591a\u5173\u4e8e\u6587\u7ae0\u7684\u76f8\u5173\u77e5\u8bc6\uff0c\u4e5f\u53ef\u5173\u6ce8\u7c73\u4e91\u516c\u4f17\u53f7\u3002<\/p>\n
          \n
          <\/dt>\n
          \n   \u5982\u4f55\u8fdb\u884cLinux\u7cfb\u7edf\u7684\u5b89\u5168\u4e8b\u4ef6\u54cd\u5e94\u548c\u5904\u7406\n <\/dd>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"
          \u5982\u4f55\u4f7f\u7528Docker\u8fdb\u884c\u5bb9\u5668\u7684\u76d1\u63a7\u548c\u544a\u8b66\u5904\u7406 \u4e0d\u77e5\u9053\u5927\u5bb6\u662f\u5426\u719f\u6089\uff1f\u4eca\u5929\u6211\u5c06\u7ed9\u5927\u5bb6\u4ecb\u7ecd\u300a\u5982\u4f55\u4f7f\u7528Docker\u8fdb\u884c\u5bb9\u5668\u7684\u76d1\u63a7\u548c\u544a\u8b66\u5904\u7406\u300b\uff0c\u8fd9\u7bc7\u6587\u7ae0\u4e3b\u8981\u4f1a\u8bb2\u5230\u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u5982\u679c\u4f60\u5728\u770b\u5b8c\u672c\u7bc7\u6587\u7ae0\u540e\uff0c\u6709\u66f4\u597d\u7684\u5efa\u8bae\u6216\u8005\u53d1\u73b0\u54ea\u91cc\u6709\u95ee\u9898\uff0c\u5e0c\u671b\u5927\u5bb6\u90fd\u80fd\u79ef\u6781\u8bc4\u8bba\u6307\u51fa\uff0c\u8c22\u8c22\uff01\u5e0c\u671b\u6211\u4eec\u80fd\u4e00\u8d77\u52a0\u6cb9\u8fdb\u6b65\uff01 \u5982\u4f55\u4f7f\u7528Docker\u8fdb\u884c\u5bb9\u5668\u7684\u76d1\u63a7\u548c\u544a\u8b66\u5904\u7406 \u4e00\u3001\u5f15\u8a00\u968f\u7740\u5bb9\u5668\u6280\u672f\u7684\u5e7f\u6cdb\u5e94\u7528\uff0c\u5bb9\u5668\u7684\u76d1\u63a7\u548c\u544a\u8b66\u5904\u7406\u53d8\u5f97\u6108\u53d1\u91cd\u8981\u3002Docker\u662f\u76ee\u524d\u6700\u6d41\u884c\u7684\u5bb9\u5668\u7ba1\u7406\u5e73\u53f0\u4e4b\u4e00\uff0c\u672c\u6587\u5c06\u4ecb\u7ecd\u5982\u4f55\u4f7f\u7528Docker\u8fdb\u884c\u5bb9\u5668\u7684\u76d1\u63a7\u548c\u544a\u8b66\u5904\u7406\uff0c\u5e76\u7ed9\u51fa\u5177\u4f53\u7684\u4ee3\u7801\u793a\u4f8b\u3002 \u4e8c\u3001\u76d1\u63a7Docker\u5bb9\u5668 \u4f7f\u7528Docker Stats APIDocker Stats API\u662fDocker\u63d0\u4f9b\u7684\u4e00\u4e2a\u7528\u4e8e\u83b7\u53d6\u5bb9\u5668\u7edf\u8ba1\u4fe1\u606f\u7684API\u3002\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u8c03\u7528\u8be5API\u83b7\u53d6\u5bb9\u5668\u7684\u5404\u9879\u6307\u6807\uff0c\u5e76\u8fdb\u884c\u76d1\u63a7\u3002\u5177\u4f53\u4ee3\u7801\u793a\u4f8b\u5982\u4e0b\uff1a import docker client = docker.DockerClient(base_url=’unix:\/\/var\/run\/docker.sock’) def monitor_container(container_id): container = client.containers.get(container_id) stats = container.stats(stream=False) print(stats) if __name__ == ‘__main__’: monitor_container(‘CONTAINER_ID’) \u4f7f\u7528Prometheus\u548ccAdvisorPrometheus\u662f\u4e00\u4e2a\u5f00\u6e90\u7684\u76d1\u63a7\u7cfb\u7edf\uff0c\u800ccAdvisor\u662f\u7528\u4e8e\u76d1\u63a7\u5bb9\u5668\u7684\u5de5\u5177\u3002\u7ed3\u5408\u8fd9\u4e24\u4e2a\u5de5\u5177\uff0c\u6211\u4eec\u53ef\u4ee5\u5b9e\u73b0\u5bf9\u5bb9\u5668\u7684\u5168\u9762\u76d1\u63a7\u3002\u5177\u4f53\u4ee3\u7801\u793a\u4f8b\u5982\u4e0b\uff1a \u9996\u5148\uff0c\u6211\u4eec\u9700\u8981\u5b89\u88c5\u5e76\u542f\u52a8Prometheus\u548ccAdvisor\u3002\u7136\u540e\u5728Prometheus\u7684\u914d\u7f6e\u6587\u4ef6prometheus.yml\u4e2d\u6dfb\u52a0\u4ee5\u4e0b\u5185\u5bb9\uff1a scrape_configs: – job_name: ‘cadvisor’ scrape_interval: 5s static_configs: – targets: [‘cadvisor:8080′] \u63a5\u4e0b\u6765\uff0c\u5728Python\u4e2d\u4f7f\u7528Prometheus\u63d0\u4f9b\u7684\u5ba2\u6237\u7aef\u5e93\u6765\u67e5\u8be2\u5e76\u5904\u7406\u5bb9\u5668\u7684\u76d1\u63a7\u6570\u636e\u3002\u5177\u4f53\u4ee3\u7801\u793a\u4f8b\u5982\u4e0b\uff1a from prometheus_api_client import PrometheusConnect prometheus = PrometheusConnect(url=’http:\/\/localhost:9090’) def get_container_cpu_usage(container_id): query = ‘sum(rate(container_cpu_usage_seconds_total{container_label_com_docker_swarm_service_id=”%s”}[5m]))’ % […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8],"tags":[],"class_list":["post-51252","post","type-post","status-publish","format-standard","hentry","category-os"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/51252","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=51252"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/51252\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=51252"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=51252"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=51252"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}