{"id":28923,"date":"2024-11-06T17:50:15","date_gmt":"2024-11-06T09:50:15","guid":{"rendered":"https:\/\/www.yunshan.net\/blog\/?p=20151"},"modified":"2024-11-06T17:50:15","modified_gmt":"2024-11-06T09:50:15","slug":"%e4%ba%86%e8%a7%a3prometheus%ef%bc%9a%e6%95%b0%e6%8d%ae%e5%8f%af%e8%a7%86%e5%8c%96%e4%b8%8e%e5%88%86%e6%9e%90","status":"publish","type":"post","link":"https:\/\/www.yunshan.net\/blog\/archives\/28923.html","title":{"rendered":"\u4e86\u89e3Prometheus\uff1a\u6570\u636e\u53ef\u89c6\u5316\u4e0e\u5206\u6790"},"content":{"rendered":"

\t\t\t\tPrometheus<\/a>\u662f\u4e00\u4e2a\u5f00\u6e90\u7684\u76d1\u63a7\u548c\u8b66\u62a5\u5de5\u5177\uff0c\u5e7f\u6cdb\u5e94\u7528\u4e8e\u4e91\u539f\u751f\u73af\u5883\uff0c\u5c24\u5176\u662fKubernetes\u96c6\u7fa4\u7684\u76d1\u63a7\u3002\u5b83\u4ee5\u5176\u5f3a\u5927\u7684\u6570\u636e\u91c7\u96c6\u3001\u5b58\u50a8\u548c\u67e5\u8be2\u80fd\u529b\uff0c\u4ee5\u53ca\u7075\u6d3b\u7684\u544a\u8b66\u673a\u5236\uff0c\u6210\u4e3a\u4e86\u73b0\u4ee3\u76d1\u63a7\u9886\u57df\u7684\u660e\u661f\u9879\u76ee\u3002\u672c\u6587\u5c06\u6df1\u5165\u63a2\u8ba8Prometheus<\/a>\u7684\u6838\u5fc3\u7279\u6027\uff0c\u91cd\u70b9\u4ecb\u7ecd\u5176\u6570\u636e\u53ef\u89c6\u5316\u4e0e\u5206\u6790\u529f\u80fd\uff0c\u5e2e\u52a9\u8bfb\u8005\u5168\u9762\u4e86\u89e3\u5e76\u6709\u6548\u5229\u7528\u8fd9\u4e00\u5de5\u5177\u3002<\/p>\n\n\n\n\n

Prometheus\u7684\u57fa\u672c\u67b6\u6784<\/h3>\n\n\n\n\n

\u5728\u6df1\u5165\u4e86\u89e3Prometheus\u7684\u6570\u636e\u53ef\u89c6\u5316\u4e0e\u5206\u6790\u529f\u80fd\u4e4b\u524d\uff0c\u6709\u5fc5\u8981\u5148\u4e86\u89e3\u5176\u57fa\u672c\u67b6\u6784\u3002Prometheus\u4e3b\u8981\u7531\u4ee5\u4e0b\u51e0\u4e2a\u6838\u5fc3\u7ec4\u4ef6\u7ec4\u6210\uff1a<\/p>\n\n\n\n\n\n\n\n\n

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

    \n\n\n
  1. Prometheus Server<\/strong>\uff1a\u8d1f\u8d23\u6536\u96c6\u548c\u5b58\u50a8\u65f6\u95f4\u5e8f\u5217\u6570\u636e\u3002<\/li>\n\n\n\n\n
  2. Exporter<\/strong>\uff1a\u7528\u4e8e\u5c06\u5404\u79cd\u6570\u636e\u6e90\u8f6c\u6362\u4e3aPrometheus\u53ef\u4ee5\u8bc6\u522b\u7684\u683c\u5f0f\u3002<\/li>\n\n\n\n\n
  3. Pushgateway<\/strong>\uff1a\u7528\u4e8e\u5904\u7406\u77ed\u671f\u4efb\u52a1\u6216\u6279\u5904\u7406\u4f5c\u4e1a\u7684\u76d1\u63a7\u6570\u636e\u63a8\u9001\u3002<\/li>\n\n\n\n\n
  4. Alertmanager<\/strong>\uff1a\u8d1f\u8d23\u5904\u7406\u544a\u8b66\u901a\u77e5\u3002<\/li>\n\n\n\n\n
  5. PromQL\uff08Prometheus Query Language\uff09<\/strong>\uff1aPrometheus\u7684\u67e5\u8be2\u8bed\u8a00\uff0c\u7528\u4e8e\u6570\u636e\u68c0\u7d22\u548c\u5206\u6790\u3002<\/li>\n\n\n<\/ol>\n\n\n\n\n

    \u6570\u636e\u91c7\u96c6\u4e0e\u5b58\u50a8<\/h3>\n\n\n\n\n

    Prometheus\u901a\u8fc7pull\u6a21\u578b\u4ece\u5404\u4e2aExporter\u4e2d\u91c7\u96c6\u6570\u636e\u3002Exporter\u662f\u4e00\u79cd\u6570\u636e\u91c7\u96c6\u4ee3\u7406\uff0c\u53ef\u4ee5\u5c06\u5404\u79cd\u6570\u636e\u6e90\uff08\u5982\u64cd\u4f5c\u7cfb\u7edf\u3001\u6570\u636e\u5e93\u3001\u5e94\u7528\u7a0b\u5e8f\u7b49\uff09\u7684\u6570\u636e\u8f6c\u6362\u4e3aPrometheus\u53ef\u4ee5\u8bc6\u522b\u7684\u683c\u5f0f\u3002Prometheus Server\u5b9a\u671f\u4ece\u8fd9\u4e9bExporter\u4e2d\u62c9\u53d6\u6570\u636e\uff0c\u5e76\u5c06\u5176\u5b58\u50a8\u5728\u672c\u5730\u7684\u65f6\u95f4\u5e8f\u5217\u6570\u636e\u5e93\u4e2d\u3002<\/p>\n\n\n\n\n

    \u65f6\u95f4\u5e8f\u5217\u6570\u636e\u7531\u6307\u6807\u540d\u79f0\uff08metric name\uff09\u3001\u6807\u7b7e\uff08label\uff09\u548c\u65f6\u95f4\u6233\uff08timestamp\uff09\u7ec4\u6210\u3002\u6807\u7b7e\u662f\u952e\u503c\u5bf9\uff0c\u7528\u4e8e\u8fdb\u4e00\u6b65\u63cf\u8ff0\u6307\u6807\uff0c\u4f7f\u5f97\u6570\u636e\u66f4\u52a0\u7075\u6d3b\u548c\u53ef\u67e5\u8be2\u3002<\/p>\n\n\n\n\n

    PromQL\uff1a\u5f3a\u5927\u7684\u67e5\u8be2\u8bed\u8a00<\/h3>\n\n\n\n\n

    PromQL\u662fPrometheus\u7684\u6838\u5fc3\u7ec4\u4ef6\u4e4b\u4e00\uff0c\u5b83\u63d0\u4f9b\u4e86\u4e00\u79cd\u5f3a\u5927\u7684\u67e5\u8be2\u8bed\u8a00\uff0c\u7528\u4e8e\u4ece\u65f6\u95f4\u5e8f\u5217\u6570\u636e\u5e93\u4e2d\u68c0\u7d22\u548c\u5206\u6790\u6570\u636e\u3002PromQL\u652f\u6301\u591a\u79cd\u64cd\u4f5c\u7b26\u548c\u51fd\u6570\uff0c\u53ef\u4ee5\u8fdb\u884c\u590d\u6742\u7684\u805a\u5408\u3001\u8fc7\u6ee4\u548c\u8ba1\u7b97\u3002<\/p>\n\n\n\n\n

    \u57fa\u672c\u67e5\u8be2<\/h4>\n\n\n\n\n

    PromQL\u7684\u57fa\u672c\u67e5\u8be2\u8bed\u6cd5\u975e\u5e38\u7b80\u5355\uff0c\u4f8b\u5982\uff0c\u8981\u67e5\u8be2\u67d0\u4e2a\u6307\u6807\u7684\u6700\u65b0\u503c\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u8bed\u6cd5\uff1a<\/p>\n\n\n\n\n

    metric_name{label="value"}
    \n<\/code><\/pre>\n\n\n\n\n
    \u805a\u5408\u64cd\u4f5c<\/h4>\n\n\n\n\n
    PromQL\u652f\u6301\u591a\u79cd\u805a\u5408\u64cd\u4f5c\uff0c\u5982sum<\/code>\u3001avg<\/code>\u3001max<\/code>\u3001min<\/code>\u7b49\u3002\u4f8b\u5982\uff0c\u8981\u8ba1\u7b97\u6240\u6709\u5b9e\u4f8b\u7684CPU\u4f7f\u7528\u7387\u4e4b\u548c\uff0c\u53ef\u4ee5\u4f7f\u7528\uff1a<\/p>\n\n\n\n\n
    sum(cpu_usage{job="node_exporter"})
    \n<\/code><\/pre>\n\n\n\n\n
    \u8303\u56f4\u67e5\u8be2<\/h4>\n\n\n\n\n
    PromQL\u8fd8\u652f\u6301\u8303\u56f4\u67e5\u8be2\uff0c\u5373\u67e5\u8be2\u67d0\u4e2a\u65f6\u95f4\u8303\u56f4\u5185\u7684\u6570\u636e\u3002\u4f8b\u5982\uff0c\u8981\u67e5\u8be2\u8fc7\u53bb1\u5c0f\u65f6\u5185\u7684CPU\u4f7f\u7528\u7387\uff0c\u53ef\u4ee5\u4f7f\u7528\uff1a<\/p>\n\n\n\n\n
    cpu_usage[1h]
    \n<\/code><\/pre>\n\n\n\n\n
    \u51fd\u6570<\/h4>\n\n\n\n\n
    PromQL\u63d0\u4f9b\u4e86\u4e30\u5bcc\u7684\u51fd\u6570\uff0c\u7528\u4e8e\u6570\u636e\u8f6c\u6362\u548c\u8ba1\u7b97\u3002\u4f8b\u5982\uff0crate<\/code>\u51fd\u6570\u7528\u4e8e\u8ba1\u7b97\u65f6\u95f4\u5e8f\u5217\u7684\u6bcf\u79d2\u589e\u957f\u7387\uff1a<\/p>\n\n\n\n\n
    rate(cpu_usage[5m])
    \n<\/code><\/pre>\n\n\n\n\n
    \u6570\u636e\u53ef\u89c6\u5316<\/h3>\n\n\n\n\n
    Prometheus\u81ea\u8eab\u63d0\u4f9b\u4e86\u4e00\u4e2a\u57fa\u672c\u7684Web\u754c\u9762\uff0c\u53ef\u4ee5\u7528\u4e8e\u67e5\u770b\u6307\u6807\u548c\u6267\u884cPromQL\u67e5\u8be2\u3002\u7136\u800c\uff0c\u4e3a\u4e86\u66f4\u76f4\u89c2\u5730\u5c55\u793a\u548c\u5206\u6790\u6570\u636e\uff0c\u901a\u5e38\u9700\u8981\u7ed3\u5408\u5176\u4ed6\u53ef\u89c6\u5316\u5de5\u5177\uff0c\u5982Grafana\u3002<\/p>\n\n\n\n\n
    Prometheus Web\u754c\u9762<\/h4>\n\n\n\n\n
    Prometheus\u7684Web\u754c\u9762\u63d0\u4f9b\u4e86\u4ee5\u4e0b\u529f\u80fd\uff1a<\/p>\n\n\n\n\n
      \n\n\n
    • \u6307\u6807\u6d4f\u89c8<\/strong>\uff1a\u53ef\u4ee5\u67e5\u770b\u6240\u6709\u91c7\u96c6\u5230\u7684\u6307\u6807\u53ca\u5176\u6807\u7b7e\u3002<\/li>\n\n\n\n\n
    • PromQL\u67e5\u8be2<\/strong>\uff1a\u53ef\u4ee5\u76f4\u63a5\u5728\u754c\u9762\u4e0a\u6267\u884cPromQL\u67e5\u8be2\uff0c\u5e76\u67e5\u770b\u7ed3\u679c\u3002<\/li>\n\n\n\n\n
    • \u56fe\u5f62\u5c55\u793a<\/strong>\uff1a\u53ef\u4ee5\u751f\u6210\u7b80\u5355\u7684\u65f6\u5e8f\u56fe\uff0c\u5c55\u793a\u6307\u6807\u7684\u53d8\u5316\u8d8b\u52bf\u3002<\/li>\n\n\n<\/ul>\n\n\n\n\n
      Grafana\u96c6\u6210<\/h4>\n\n\n\n\n
      Grafana\u662f\u4e00\u4e2a\u5f00\u6e90\u7684\u6570\u636e\u53ef\u89c6\u5316\u5e73\u53f0\uff0c\u4e0ePrometheus\u65e0\u7f1d\u96c6\u6210\uff0c\u63d0\u4f9b\u4e86\u66f4\u4e30\u5bcc\u7684\u53ef\u89c6\u5316\u529f\u80fd\u3002\u901a\u8fc7Grafana\uff0c\u53ef\u4ee5\u521b\u5efa\u5404\u79cd\u7c7b\u578b\u7684\u56fe\u8868\u3001\u4eea\u8868\u76d8\u548c\u544a\u8b66\u3002<\/p>\n\n\n\n\n
      \u5b89\u88c5\u4e0e\u914d\u7f6e<\/h5>\n\n\n\n\n
        \n\n\n
      1. \n\n
        \u5b89\u88c5Grafana<\/strong>\uff1a\u53ef\u4ee5\u901a\u8fc7Docker\u6216\u5176\u4ed6\u65b9\u5f0f\u5b89\u88c5Grafana\u3002<\/p>\n\n\n\n\n
        docker run -d --name=grafana -p 3000:3000 grafana\/grafana
        \n<\/code><\/pre>\n\n\n<\/li>\n\n\n\n\n
      2. \n\n
        \u914d\u7f6e\u6570\u636e\u6e90<\/strong>\uff1a\u5728Grafana\u4e2d\u6dfb\u52a0Prometheus\u4f5c\u4e3a\u6570\u636e\u6e90\u3002<\/p>\n\n\n\n\n
          \n\n\n
        • \u767b\u5f55Grafana Web\u754c\u9762\u3002<\/li>\n\n\n\n\n
        • \u8fdb\u5165\u201cConfiguration\u201d -> \u201cData Sources\u201d\u3002<\/li>\n\n\n\n\n
        • \u6dfb\u52a0\u65b0\u7684\u6570\u636e\u6e90\uff0c\u9009\u62e9\u201cPrometheus\u201d\uff0c\u5e76\u914d\u7f6ePrometheus Server\u7684URL\u3002<\/li>\n\n\n<\/ul>\n\n\n<\/li>\n\n\n<\/ol>\n\n\n\n\n
          \u521b\u5efa\u4eea\u8868\u76d8<\/h5>\n\n\n\n\n
          \u5728Grafana\u4e2d\u521b\u5efa\u4eea\u8868\u76d8\u975e\u5e38\u7b80\u5355\uff1a<\/p>\n\n\n\n\n
            \n\n\n
          1. \u65b0\u5efa\u4eea\u8868\u76d8<\/strong>\uff1a\u70b9\u51fb\u201cCreate\u201d -> \u201cDashboard\u201d\u3002<\/li>\n\n\n\n\n
          2. \u6dfb\u52a0\u56fe\u8868<\/strong>\uff1a\u70b9\u51fb\u201cAdd panel\u201d\uff0c\u9009\u62e9\u201cGraph\u201d\u3002<\/li>\n\n\n\n\n
          3. \u914d\u7f6e\u67e5\u8be2<\/strong>\uff1a\u5728\u67e5\u8be2\u7f16\u8f91\u5668\u4e2d\u8f93\u5165PromQL\u67e5\u8be2\uff0c\u4f8b\u5982rate(cpu_usage[5m])<\/code>\u3002<\/li>\n\n\n\n\n
          4. \u5b9a\u5236\u56fe\u8868<\/strong>\uff1a\u53ef\u4ee5\u81ea\u5b9a\u4e49\u56fe\u8868\u7684\u6837\u5f0f\u3001\u989c\u8272\u3001\u6807\u9898\u7b49\u3002<\/li>\n\n\n<\/ol>\n\n\n\n\n
            \u793a\u4f8b\uff1a\u76d1\u63a7\u7cfb\u7edf\u8d44\u6e90\u4f7f\u7528\u60c5\u51b5<\/h5>\n\n\n\n\n
            \u4ee5\u4e0b\u662f\u4e00\u4e2a\u793a\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u4f7f\u7528Grafana\u76d1\u63a7\u7cfb\u7edf\u7684CPU\u548c\u5185\u5b58\u4f7f\u7528\u60c5\u51b5\uff1a<\/p>\n\n\n\n\n
              \n\n\n
            1. \n\n
              CPU\u4f7f\u7528\u7387<\/strong>\uff1a<\/p>\n\n\n\n\n
                \n\n\n
              • \u67e5\u8be2\uff1arate(cpu_usage[5m])<\/code><\/li>\n\n\n\n\n
              • \u56fe\u8868\u7c7b\u578b\uff1a\u6298\u7ebf\u56fe<\/li>\n\n\n\n\n
              • \u6807\u9898\uff1aCPU\u4f7f\u7528\u7387<\/li>\n\n\n<\/ul>\n\n\n<\/li>\n\n\n\n\n
              • \n\n
                \u5185\u5b58\u4f7f\u7528\u91cf<\/strong>\uff1a<\/p>\n\n\n\n\n
                  \n\n\n
                • \u67e5\u8be2\uff1amemory_usage<\/code><\/li>\n\n\n\n\n
                • \u56fe\u8868\u7c7b\u578b\uff1a\u9762\u79ef\u56fe<\/li>\n\n\n\n\n
                • \u6807\u9898\uff1a\u5185\u5b58\u4f7f\u7528\u91cf<\/li>\n\n\n<\/ul>\n\n\n<\/li>\n\n\n<\/ol>\n\n\n\n\n
                  \u901a\u8fc7\u8fd9\u79cd\u65b9\u5f0f\uff0c\u53ef\u4ee5\u521b\u5efa\u4e00\u4e2a\u7efc\u5408\u7684\u4eea\u8868\u76d8\uff0c\u5b9e\u65f6\u76d1\u63a7\u7cfb\u7edf\u8d44\u6e90\u7684\u4f7f\u7528\u60c5\u51b5\u3002<\/p>\n\n\n\n\n
                  \u6570\u636e\u5206\u6790<\/h3>\n\n\n\n\n
                  \u9664\u4e86\u53ef\u89c6\u5316\uff0cPrometheus\u8fd8\u63d0\u4f9b\u4e86\u5f3a\u5927\u7684\u6570\u636e\u5206\u6790\u529f\u80fd\uff0c\u5e2e\u52a9\u7528\u6237\u6df1\u5165\u7406\u89e3\u7cfb\u7edf\u7684\u8fd0\u884c\u72b6\u6001\u3002<\/p>\n\n\n\n\n
                  \u8d8b\u52bf\u5206\u6790<\/h4>\n\n\n\n\n
                  \u901a\u8fc7PromQL\u7684\u8303\u56f4\u67e5\u8be2\u548c\u805a\u5408\u51fd\u6570\uff0c\u53ef\u4ee5\u5206\u6790\u6307\u6807\u7684\u8d8b\u52bf\u3002\u4f8b\u5982\uff0c\u8981\u5206\u6790\u8fc7\u53bb\u4e00\u5468\u5185CPU\u4f7f\u7528\u7387\u7684\u53d8\u5316\u8d8b\u52bf\uff0c\u53ef\u4ee5\u4f7f\u7528\uff1a<\/p>\n\n\n\n\n
                  rate(cpu_usage[1h])[7d]
                  \n<\/code><\/pre>\n\n\n\n\n
                  \u5bf9\u6bd4\u5206\u6790<\/h4>\n\n\n\n\n
                  Prometheus\u652f\u6301\u591a\u7ef4\u5ea6\u6570\u636e\u5bf9\u6bd4\uff0c\u4f8b\u5982\uff0c\u53ef\u4ee5\u5bf9\u6bd4\u4e0d\u540c\u5b9e\u4f8b\u7684CPU\u4f7f\u7528\u7387\uff1a<\/p>\n\n\n\n\n
                  sum(cpu_usage{instance="instance1"}) by (job)
                  \nsum(cpu_usage{instance="instance2"}) by (job)
                  \n<\/code><\/pre>\n\n\n\n\n
                  \u5f02\u5e38\u68c0\u6d4b<\/h4>\n\n\n\n\n
                  \u901a\u8fc7PromQL\u7684\u51fd\u6570\u548c\u64cd\u4f5c\u7b26\uff0c\u53ef\u4ee5\u68c0\u6d4b\u5f02\u5e38\u60c5\u51b5\u3002\u4f8b\u5982\uff0c\u8981\u68c0\u6d4bCPU\u4f7f\u7528\u7387\u662f\u5426\u8d85\u8fc7\u9608\u503c\uff0c\u53ef\u4ee5\u4f7f\u7528\uff1a<\/p>\n\n\n\n\n
                  cpu_usage > 80
                  \n<\/code><\/pre>\n\n\n\n\n
                  \u544a\u8b66\u673a\u5236<\/h3>\n\n\n\n\n
                  Prometheus\u7684Alertmanager\u7ec4\u4ef6\u8d1f\u8d23\u5904\u7406\u544a\u8b66\u901a\u77e5\u3002\u7528\u6237\u53ef\u4ee5\u5b9a\u4e49\u544a\u8b66\u89c4\u5219\uff0c\u5f53\u6ee1\u8db3\u7279\u5b9a\u6761\u4ef6\u65f6\uff0cAlertmanager\u4f1a\u53d1\u9001\u901a\u77e5\u3002<\/p>\n\n\n\n\n
                  \u5b9a\u4e49\u544a\u8b66\u89c4\u5219<\/h4>\n\n\n\n\n
                  \u544a\u8b66\u89c4\u5219\u5728Prometheus\u7684\u914d\u7f6e\u6587\u4ef6\u4e2d\u5b9a\u4e49\uff0c\u4f8b\u5982\uff1a<\/p>\n\n\n\n\n
                  alerting:
                  \n  alertmanagers:
                  \n  - static_configs:
                  \n    - targets:
                  \n      - 'localhost:9093'
                  \n
                  \nrule_files:
                  \n  - 'alerting_rules.yml'
                  \n<\/code><\/pre>\n\n\n\n\n
                  \u5728alerting_rules.yml<\/code>\u6587\u4ef6\u4e2d\u5b9a\u4e49\u5177\u4f53\u7684\u544a\u8b66\u89c4\u5219\uff1a<\/p>\n\n\n\n\n
                  groups:
                  \n- name: example
                  \n  rules:
                  \n  - alert: HighCpuUsage
                  \n    expr: cpu_usage > 80
                  \n    for: 5m
                  \n    labels:
                  \n      severity: warning
                  \n    annotations:
                  \n      summary: "High CPU usage detected"
                  \n      description: "CPU usage is above 80% for more than 5 minutes"
                  \n<\/code><\/pre>\n\n\n\n\n
                  Alertmanager\u914d\u7f6e<\/h4>\n\n\n\n\n
                  Alertmanager\u9700\u8981\u914d\u7f6e\u901a\u77e5\u6e20\u9053\uff0c\u4f8b\u5982\u90ae\u4ef6\u3001Slack\u3001Webhook\u7b49\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u90ae\u4ef6\u901a\u77e5\u7684\u914d\u7f6e\u793a\u4f8b\uff1a<\/p>\n\n\n\n\n
                  global:
                  \n  smtp_smarthost: 'smtp.example.com:587'
                  \n  smtp_from: 'alertmanager@example.com'
                  \n  smtp_auth_username: 'user'
                  \n  smtp_auth_password: 'password'
                  \n
                  \nroute:
                  \n  group_by: ['alertname']
                  \n  receiver: 'default-receiver'
                  \n
                  \nreceivers:
                  \n- name: 'default-receiver'
                  \n  email_configs:
                  \n  - to: 'admin@example.com'
                  \n<\/code><\/pre>\n\n\n\n\n
                  \u5b9e\u6218\u6848\u4f8b<\/h3>\n\n\n\n\n
                  \u4e3a\u4e86\u66f4\u597d\u5730\u7406\u89e3Prometheus\u7684\u6570\u636e\u53ef\u89c6\u5316\u4e0e\u5206\u6790\u529f\u80fd\uff0c\u4ee5\u4e0b\u662f\u4e00\u4e2a\u5b9e\u9645\u6848\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u76d1\u63a7\u4e00\u4e2aKubernetes\u96c6\u7fa4\u3002<\/p>\n\n\n\n\n
                  \u90e8\u7f72Prometheus<\/h4>\n\n\n\n\n
                    \n\n\n
                  1. \n\n
                    \u5b89\u88c5Prometheus Operator<\/strong>\uff1a\u4f7f\u7528Helm\u5b89\u88c5Prometheus Operator\u3002<\/p>\n\n\n\n\n
                    helm repo add prometheus-community https:\/\/prometheus-community.github.io\/helm-charts
                    \nhelm install prometheus prometheus-community\/kube-prometheus-stack
                    \n<\/code><\/pre>\n\n\n<\/li>\n\n\n\n\n
                  2. \n\n
                    \u914d\u7f6eExporter<\/strong>\uff1a\u90e8\u7f72Node Exporter\u548cKubernetes Exporter\u3002<\/p>\n\n\n\n\n
                    kubectl apply -f node-exporter.yaml
                    \nkubectl apply -f kubernetes-exporter.yaml
                    \n<\/code><\/pre>\n\n\n<\/li>\n\n\n<\/ol>\n\n\n\n\n
                    \u914d\u7f6eGrafana<\/h4>\n\n\n\n\n
                      \n\n\n
                    1. \u6dfb\u52a0Prometheus\u6570\u636e\u6e90<\/strong>\uff1a\u5728Grafana\u4e2d\u6dfb\u52a0Prometheus\u4f5c\u4e3a\u6570\u636e\u6e90\u3002<\/li>\n\n\n\n\n
                    2. \u5bfc\u5165\u4eea\u8868\u76d8<\/strong>\uff1aGrafana\u63d0\u4f9b\u4e86\u5927\u91cf\u7684Kubernetes\u76d1\u63a7\u4eea\u8868\u76d8\u6a21\u677f\uff0c\u53ef\u4ee5\u76f4\u63a5\u5bfc\u5165\u4f7f\u7528\u3002<\/li>\n\n\n<\/ol>\n\n\n\n\n
                      \u5b9a\u4e49\u544a\u8b66\u89c4\u5219<\/h4>\n\n\n\n\n
                      \u5728Prometheus\u7684\u914d\u7f6e\u6587\u4ef6\u4e2d\u5b9a\u4e49\u544a\u8b66\u89c4\u5219\uff0c\u4f8b\u5982\u68c0\u6d4bPod\u91cd\u542f\u6b21\u6570\uff1a<\/p>\n\n\n\n\n
                      groups:
                      \n- name: kubernetes
                      \n  rules:
                      \n  - alert: PodRestart
                      \n    expr: kube_pod_container_status_restarts_total > 3
                      \n    for: 10m
                      \n    labels:
                      \n      severity: critical
                      \n    annotations:
                      \n      summary: "Pod restarts frequently"
                      \n      description: "Pod {{ $labels.pod }} in namespace {{ $labels.namespace }} has restarted more than 3 times in the last 10 minutes"
                      \n<\/code><\/pre>\n\n\n\n\n
                      \u603b\u7ed3<\/h3>\n\n\n\n\n
                      Prometheus\u4f5c\u4e3a\u4e00\u4e2a\u529f\u80fd\u5f3a\u5927\u7684\u76d1\u63a7\u548c\u8b66\u62a5\u5de5\u5177\uff0c\u63d0\u4f9b\u4e86\u4e30\u5bcc\u7684\u6570\u636e\u91c7\u96c6\u3001\u5b58\u50a8\u3001\u67e5\u8be2\u548c\u53ef\u89c6\u5316\u529f\u80fd\u3002\u901a\u8fc7\u7ed3\u5408Grafana\u7b49\u53ef\u89c6\u5316\u5de5\u5177\uff0c\u53ef\u4ee5\u5b9e\u73b0\u5bf9\u7cfb\u7edf\u72b6\u6001\u7684\u5168\u9762\u76d1\u63a7\u548c\u5206\u6790\u3002\u672c\u6587\u8be6\u7ec6\u4ecb\u7ecd\u4e86Prometheus\u7684\u57fa\u672c\u67b6\u6784\u3001\u6570\u636e\u91c7\u96c6\u4e0e\u5b58\u50a8\u3001PromQL\u67e5\u8be2\u8bed\u8a00\u3001\u6570\u636e\u53ef\u89c6\u5316\u4e0e\u5206\u6790\u65b9\u6cd5\uff0c\u4ee5\u53ca\u544a\u8b66\u673a\u5236\u7684\u914d\u7f6e\u548c\u4f7f\u7528\u3002\u901a\u8fc7\u5b9e\u6218\u6848\u4f8b\uff0c\u5c55\u793a\u4e86\u5982\u4f55\u5728\u5b9e\u9645\u73af\u5883\u4e2d\u5e94\u7528Prometheus\u8fdb\u884cKubernetes\u96c6\u7fa4\u7684\u76d1\u63a7\u3002\u5e0c\u671b\u672c\u6587\u80fd\u591f\u5e2e\u52a9\u8bfb\u8005\u66f4\u597d\u5730\u7406\u89e3\u548c\u5229\u7528Prometheus\uff0c\u63d0\u5347\u7cfb\u7edf\u7684\u76d1\u63a7\u548c\u7ba1\u7406\u6c34\u5e73\u3002<\/p>\n\n\n]]>\t\t<\/p>\n","protected":false},"excerpt":{"rendered":"
                      \t\t\t\t\t\t<\/p>\n","protected":false},"author":5,"featured_media":20152,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4],"tags":[],"class_list":["post-28923","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-discussion"],"_links":{"self":[{"href":"https:\/\/www.yunshan.net\/blog\/wp-json\/wp\/v2\/posts\/28923","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.yunshan.net\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.yunshan.net\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.yunshan.net\/blog\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/www.yunshan.net\/blog\/wp-json\/wp\/v2\/comments?post=28923"}],"version-history":[{"count":0,"href":"https:\/\/www.yunshan.net\/blog\/wp-json\/wp\/v2\/posts\/28923\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.yunshan.net\/blog\/wp-json\/wp\/v2\/media\/20152"}],"wp:attachment":[{"href":"https:\/\/www.yunshan.net\/blog\/wp-json\/wp\/v2\/media?parent=28923"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.yunshan.net\/blog\/wp-json\/wp\/v2\/categories?post=28923"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.yunshan.net\/blog\/wp-json\/wp\/v2\/tags?post=28923"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}