{"id":43406,"date":"2023-08-18T11:24:32","date_gmt":"2023-03-18T09:33:15","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e8%87%aa%e5%8a%a8%e6%94%b6%e9%9b%86%e5%9c%a8kubernetes%e9%83%a8%e7%bd%b2%e7%9a%84%e5%ba%94%e7%94%a8%e7%a8%8b%e5%ba%8f%e7%9a%84%e6%8c%87%e6%a0%87%e6%95%b0%e6%8d%ae\/"},"modified":"2024-04-30T19:02:32","modified_gmt":"2024-04-30T11:02:32","slug":"%e8%87%aa%e5%8a%a8%e6%94%b6%e9%9b%86%e5%9c%a8kubernetes%e9%83%a8%e7%bd%b2%e7%9a%84%e5%ba%94%e7%94%a8%e7%a8%8b%e5%ba%8f%e7%9a%84%e6%8c%87%e6%a0%87%e6%95%b0%e6%8d%ae","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e8%87%aa%e5%8a%a8%e6%94%b6%e9%9b%86%e5%9c%a8kubernetes%e9%83%a8%e7%bd%b2%e7%9a%84%e5%ba%94%e7%94%a8%e7%a8%8b%e5%ba%8f%e7%9a%84%e6%8c%87%e6%a0%87%e6%95%b0%e6%8d%ae\/","title":{"rendered":"\u81ea\u52a8\u6536\u96c6\u5728Kubernetes\u90e8\u7f72\u7684\u5e94\u7528\u7a0b\u5e8f\u7684\u6307\u6807\u6570\u636e"},"content":{"rendered":"<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d525337434c4406ccc80a\/0-0.png\" alt=\"image.png\" \/><\/div>\n<h1>\u793a\u610f\u5982\u4e0b TL;DR\uff1b<\/h1>\n<p>\u4e3a\u4e86\u89e3\u51b3\u6bcf\u6b21\u6536\u96c6\u6307\u6807\u3001\u521b\u5efa\u56fe\u8868\u548c\u8b66\u62a5\u65f6\u90fd\u9700\u8981\u7b49\u5019\u57fa\u7840\u67b6\u6784\u5de5\u7a0b\u5e08\u7684\u60c5\u51b5\u3002<\/p>\n<p>\u6211\u4f1a\u5728\u5e94\u7528\u7a0b\u5e8f\u4e2d\u6dfb\u52a0Prometheus\u6307\u6807\u7ec8\u7aef\uff0c\u5e76\u901a\u8fc7Prometheus\u6216Datadog\u81ea\u52a8\u53d1\u73b0\u548c\u6293\u53d6\u5b83\u3002<\/p>\n<p>\u5728\u8fd9\u7bc7\u6587\u7ae0\u4e2d\uff0c\u6211\u4eec\u5c06\u4f7f\u7528Datadog\u3002\u5982\u679c\u4f60\u60f3\u4e86\u89e3\u5173\u4e8e\u4f7f\u7528Datadog\u5bf9Kubernetes\u8fdb\u884c\u76d1\u63a7\u7684\u4e00\u822c\u77e5\u8bc6\uff0c\u6211\u63a8\u8350@spesnova\u7684&#8221;Monitoring Kubernetes with Datadog&#8221;\u8fd9\u7bc7\u6587\u7ae0\u3002<\/p>\n<h1>\u5bf9\u4e8e\u6025\u9700\u7684\u7528\u6237\uff1a\u5e94\u7528\u7a0b\u5e8f\u7684\u8bbe\u5b9a\u6b65\u9aa4<\/h1>\n<p>\u5728\u8fd9\u7bc7\u6587\u7ae0\u7684\u4e2d\u95f4\u90e8\u5206\u5199\u8fc7\u4e86\uff01\u53ea\u9700\u6dfb\u52a0Prometheus\u7ec8\u7aef\u8282\u70b9\u5e76\u9644\u52a0Pod\u6ce8\u91ca\u3002<\/p>\n<h1>\u524d\u63d01\uff1a\u4e3a\u4ec0\u4e48\u9009\u62e9Prometheus\u548cDatadog\uff1f<\/h1>\n<p>\u867d\u7136\u79f0\u4e3aPrometheus\uff0c\u4f46\u9700\u8981\u5c06\u5176\u4e0e\u7528\u4e8e\u516c\u5f00\u6307\u6807\u7684\u7aef\u70b9\uff0824231\/metrics\uff0c\u88abScrape\u7684\u5e94\u7528\u7684\u7aef\u70b9\uff09\u533a\u5206\u5f00\u6765\u8fdb\u884c\u89e3\u91ca\u3002<\/p>\n<h2>Prometheus\u7684\u7aef\u70b9\u53ef\u8f7b\u677e\u5efa\u7acb\u3002<\/h2>\n<p>\u9996\u5148\uff0cDatadog\u63d0\u4f9b\u4e86\u901a\u8fc7dogstatsd\u53d1\u9001statsd\u5ea6\u91cf\u6307\u6807\u7684\u6807\u51c6\u5ea6\u91cf\u6536\u96c6\u65b9\u5f0f\u3002\u4f46\u662f\uff0c\u6211\u4eec\u7279\u610f\u63d0\u4f9bPrometheus\u7aef\u70b9\u7684\u4e00\u4e2a\u539f\u56e0\u662f\u4e3a\u4e86\u5229\u7528\u4e30\u5bcc\u7684Prometheus\u76f8\u5173\u5e93\u6765\u8f7b\u677e\u516c\u5f00\u5ea6\u91cf\u6307\u6807\u3002<\/p>\n<p>\u4f8b\u5982\uff0c\u5bf9\u4e8e\u91c7\u7528Golang\u7f16\u5199\u7684GRPC\u670d\u52a1\u5668\uff0c\u53ea\u9700\u96c6\u6210\u540d\u4e3ago-grpc-prometheus\u7684\u4e2d\u95f4\u4ef6\uff0c\u5373\u53ef\u81ea\u52a8\u6d4b\u91cf\u548c\u516c\u5f00\u541e\u5410\u91cf\u7b49\u6307\u6807\u3002<\/p>\n<h2>\u4e0d\u4f1a\u88ab\u7279\u5b9a\u4f9b\u5e94\u5546\u7684\u5ea6\u91cf\u6807\u51c6\u53d1\u5e03\u548c\u6536\u96c6\u89c4\u8303\u9650\u5236\u4f4f\u3002<\/h2>\n<p>\u53e6\u4e00\u4e2a\u539f\u56e0\u662f\u8fd9\u4e2a\u3002<\/p>\n<p>\u5982\u679c\u9009\u62e9\u91c7\u7528Datadog\uff0c\u90a3\u4e48Datadog\u7684\u6307\u6807\u6536\u96c6\u4ee3\u7406\uff08dogstatsd\uff09\u7684\u534f\u8baedogstatsd\u662f\u5bf9statsd\u529f\u80fd\u7684\u90e8\u5206\u524a\u5f31\u548c\u6269\u5c55\u3002\u56e0\u6b64\uff0c\u5982\u679c\u6784\u5efa\u4e86\u57fa\u4e8edogstatsd\u7684\u6307\u6807\u6536\u96c6\u57fa\u7840\u8bbe\u65bd\uff0c\u90a3\u4e48\u5c06\u53d8\u5f97\u96be\u4ee5\u8fc1\u79fb\u5230\u9664\u4e86Datadog\u4e4b\u5916\u7684\u5176\u4ed6\u9009\u62e9\u3002\u5982\u679c\u80fd\u591f\u907f\u514d\u5382\u5546\u9501\u5b9a\u5e76\u4ee5\u8f83\u5c11\u7684\u5de5\u4f5c\u91cf\u5b9e\u73b0\uff0c\u90a3\u5c31\u518d\u597d\u4e0d\u8fc7\u4e86\u3002<\/p>\n<p>\u53c2\u8003\uff1a\u5173\u4e8eDogStatsd\u7684\u516c\u5f0f\u8bf4\u660e<\/p>\n<p>\u5728\u8fd9\u65b9\u9762\uff0c\u540e\u7aef\u53ef\u4ee5\u9009\u62e9Prometheus\u6216\u4efb\u4f55\u5176\u4ed6\u7684SaaS\uff0c\u4ee5\u4fbf\u80fd\u591f\u901a\u8fc7\u6280\u672f\u6216\u73b0\u5b9e\u53ef\u884c\u7684\u624b\u6bb5\u6765\u6293\u53d6Prometheus\u6307\u6807\u3002\u5177\u4f53\u7684\u4f8b\u5b50\u6709Prometheus\u548cDatadog\u3002<\/p>\n<h2>\u662f\u5426\u5177\u5907\u81ea\u52a8\u53d1\u73b0\u529f\u80fd<\/h2>\n<p>\u5728\u81ea\u52a8\u4f38\u7f29\u548c\u5fae\u670d\u52a1\u67b6\u6784\u4ee5\u53ca\u5404\u56e2\u961f\u81ea\u52a9\u670d\u52a1\u7684\u73af\u5883\u4e2d\uff0c\u53d7\u76d1\u63a7\u7684\u5e94\u7528\u7a0b\u5e8f\u7ecf\u5e38\u53d8\u5316\u3002\u6bcf\u6b21\u90fd\u9700\u8981\u53bb\u627e\u57fa\u7840\u67b6\u6784\u5de5\u7a0b\u5e08\u4fee\u6539\u76d1\u63a7\u7cfb\u7edf\u7684\u914d\u7f6e\u6587\u4ef6\u7b49\uff0c\u8fd9\u5f88\u9ebb\u70e6\u4e0d\u662f\u5417\uff1f<\/p>\n<p>\u5982\u679c\u91c7\u7528\u4e86\u5177\u6709\u81ea\u52a8\u53d1\u73b0\u529f\u80fd\u7684\u76d1\u63a7\u7cfb\u7edf\uff0c\u5b83\u5c06\u5728\u5e94\u7528\u7a0b\u5e8f\u589e\u52a0\u6216\u51cf\u5c11\u65f6\u81ea\u52a8\u6dfb\u52a0\u6216\u5220\u9664\u8981\u6536\u96c6\u7684\u6307\u6807\u3002\u66f4\u5177\u4f53\u5730\u8bf4\uff0c\u5047\u8bbe\u6211\u4eec\u8981\u5728Kubernetes\u4e0a\u8fd0\u884c\u4e00\u4e2a\u516c\u5f00Prometheus\u6307\u6807\u7684\u5e94\u7528\u7a0b\u5e8f\uff0c\u5f53Pod\u589e\u52a0\u6216\u51cf\u5c11\u65f6\uff0c\u6211\u4eec\u5e0c\u671b\u81ea\u52a8\u6536\u96c6\u8be5Prometheus\u6307\u6807\u3002<\/p>\n<p>Datadog\u548cPrometheus\u90fd\u5177\u6709\u81ea\u52a8\u53d1\u73b0\u529f\u80fd\u3002<\/p>\n<p>Datadog: https:\/\/docs.datadoghq.com\/guides\/autodiscovery\/<\/p>\n<p>Datadog\uff1ahttps:\/\/docs.datadoghq.com\/guides\/autodiscovery\/<\/p>\n<p>\u7136\u800c\uff0c\u636e2017\u5e7412\u6708\u6240\u77e5\uff0cPrometheus\u4f3c\u4e4e\u6ca1\u6709\u81ea\u52a8\u6293\u53d6\u4efb\u610f\u5e94\u7528\u7a0b\u5e8f\u6307\u6807\u7684\u529f\u80fd\uff08\u5982\u679c\u6709\uff0c\u8bf7\u544a\u77e5\uff0c\u56e0\u4e3a\u6211\u8fd8\u4e0d\u6562\u76f8\u4fe1\uff09\u3002<\/p>\n<p>\u8fd9\u7bc7\u6587\u7ae0\u521a\u53d1\u5e03\u65f6\u5199\u9053\uff0cPrometheus\u6ca1\u6709\u81ea\u52a8\u53d1\u73b0\u529f\u80fd\uff0c\u4f46\u8fd9\u662f\u9519\u8bef\u7684\u3002\u5b9e\u9645\u4e0a\uff0c\u6709\u4e00\u79cd\u65b9\u6cd5\u662f\u542f\u7528Service Discovery\u6765\u5bf9Pod\u8fdb\u884c\u53d1\u73b0\u3002 ( \u6765\u81ea @shmurata \u7684\u4fe1\u606f\u3002\u975e\u5e38\u611f\u8c22\uff01)<\/p>\n<p>\u53c2\u8003\uff1ahttps:\/\/qiita.com\/mumoshu\/items\/9fb7988ccbefa88b61cd#comment-99d56d5b415e574a758a<\/p>\n<h2>\u524d\u8a002\uff1a\u4e3a\u4ec0\u4e48\u9009\u62e9Datadog\u800c\u4e0d\u662fPrometheus<\/h2>\n<h2>\u5e0c\u671b\u80fd\u591f\u901a\u8fc7\u4e00\u4e2a\u670d\u52a1\u6765\u96c6\u4e2d\u7ba1\u7406\u5ea6\u91cf\u3001\u8ffd\u8e2a\u548c\u65e5\u5fd7\uff0c\u4ee5\u4fbf\u8282\u7701\u8fd0\u7ef4\u6210\u672c\u3002<\/h2>\n<p>\u5982\u679c\u9009\u62e9\u91c7\u7528Prometheus\uff0c\u4f8b\u5982<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u57fa\u672c\u7684\u306a\u30b0\u30e9\u30d5\u4f5c\u6210\u3068\u30e1\u30c8\u30ea\u30af\u30b9\u53ce\u96c6\u3001\u30a2\u30e9\u30fc\u30c8\u8a2d\u5b9a\u306fPrometheus<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u5206\u6563\u30ed\u30b0\u306fEKF(Elasticsearch + Kibana Fluentd)<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\u5206\u6563\u30c8\u30ec\u30fc\u30b9\u306fZipkin\u3084Jaeger<\/ul>\n<p>\u6211\u8ba4\u4e3a\u8fd9\u79cd\u7ed3\u6784\u662f\u597d\u7684\u9009\u62e9\uff0c\u5f53\u7136\u4ece\u8f6f\u4ef6\u8bb8\u53ef\u8d39\u7528\u3001\u652f\u6301\u8d39\u7528\u4ee5\u53ca\u672a\u6765\u7684\u6269\u5c55\u6027\u7b49\u65b9\u9762\u6765\u770b\u3002<\/p>\n<p>\u4e00\u65b9\u9762\uff0c<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u30a2\u30e9\u30fc\u30c8\u3092\u53d7\u3051\u305f\u3068\u304d\u306b\u3001\u305d\u306e\u539f\u56e0\u8abf\u67fb\u306e\u305f\u3081\u306b\uff13\u3064\u3082\u30b5\u30fc\u30d3\u30b9\u3092\u884c\u3063\u305f\u308a\u6765\u305f\u308a\u3059\u308b\u306e\u306f\u9762\u5012<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\u4eba\u304c\u5c11\u306a\u3044\u5834\u5408\u306b\u30bb\u30eb\u30d5\u30db\u30b9\u30c8\u3057\u3066\u308b\u30b5\u30fc\u30d3\u30b9\u306e\u904b\u7528\u4fdd\u5b88\u306b\u624b\u9593\u3092\u304b\u3051\u305f\u304f\u306a\u3044<\/ul>\n<p>\u6211\u8ba4\u4e3a\u4e5f\u6709\u7c7b\u4f3c\u7684\u60f3\u6cd5\u3002<\/p>\n<p>\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u6709\u53ef\u80fd\u4f1a\u51b3\u5b9a\u91c7\u7528SaaS\u3002<br \/>\n\u622a\u81f32017\u5e7412\u6708\uff0c\u7531\u4e8ePrometheus\u7684\u6258\u7ba1\u670d\u52a1\u6ca1\u6709\u6807\u51c6\u9009\u62e9\uff0c\u56e0\u6b64\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\u53ea\u80fd\u9009\u62e9Datadog\u3002<\/p>\n<h1>dd-agent\u7684\u5b89\u88c5\u6b65\u9aa4<\/h1>\n<h2>dd-agent \u7684\u5b89\u88c5<\/h2>\n<p>\u7531\u4e8edd-agent\u7684Helm\u56fe\u8868\u529f\u80fd\u4e30\u5bcc\u4e14\u51fa\u8272\uff0c\u6211\u4eec\u5c06\u4f7f\u7528\u5b83\u3002<\/p>\n<p>\u53c2\u8003\uff1a\u5728 Kubernetes \u4e0a\u5b89\u88c5 Datadog Agent \u7684\u6700\u4f73\u5b9e\u8df5 &#8211; Qiita<\/p>\n<h2>\u666e\u7f57\u7c73\u4fee\u65af\u68c0\u67e5\u7684\u5b89\u88c5<\/h2>\n<p>\u56e0\u4e3aPrometheus\u68c0\u67e5\u5de5\u5177\u672a\u5305\u542b\u5728dd-agent\u4e2d\uff0c\u6240\u4ee5\u9700\u8981\u4ee5\u67d0\u79cd\u5f62\u5f0f\u5c06\u5176\u5b89\u88c5\u5230dd-agent\u4e2d\u3002\u5e78\u8fd0\u7684\u662f\uff0c\u53ef\u4ee5\u4eceConfigMap\u4e2d\u52a0\u8f7d\u4efb\u4f55\u9700\u8981\u7684\u68c0\u67e5\u5de5\u5177\uff0c\u800c\u65e0\u9700\u91cd\u65b0\u521b\u5efadd-agent\uff0c\u56e0\u6b64\u5c06\u4f7f\u7528\u8fd9\u79cd\u65b9\u6cd5\u3002<\/p>\n<pre class=\"post-pre\"><code>$ curl -o prometheus.py https:\/\/raw.githubusercontent.com\/latency-at\/datadog-agent-prometheus\/master\/check.d\/prometheus.py\r\n\r\n$ k get configmap datadog-datadog-checksd -o yaml&gt; datadog-datadog-checksd.configmap.yaml\r\n\r\n$ k create configmap datadog-datadog-checksd --dry-run -o yaml --from-file prometheus.py | k apply -f -\r\nWarning: kubectl apply should be used on resource created by either kubectl create --save-config or kubectl apply\r\nconfigmap \"datadog-datadog-checksd\" configured\r\n<\/code><\/pre>\n<p>\u4e3a\u4e86\u52a0\u8f7d\u81ea\u5b9a\u4e49\u68c0\u67e5\u5230dd-agent\u4e2d\uff0c\u9700\u8981\u91cd\u65b0\u542f\u52a8dd-agent\u3002<\/p>\n<pre class=\"post-pre\"><code>$ kubectl delete pod $(k get po | grep datadog-datadog | cut -d ' ' -f 1)\r\n<\/code><\/pre>\n<h2>\u770b\u4e00\u4e0b\u9700\u8981\u6293\u53d6\u7684\u6307\u6807\u3002<\/h2>\n<p>\u53ea\u9700\u8981\u4e00\u4e2a\u9009\u9879\uff1aPrometheus Endpoint\u901a\u8fc7HTTP\u534f\u8bae\u516c\u5f00\u6307\u6807\uff0c\u901a\u5e38\u5728\/metrics\u8def\u5f84\u4e0a\u516c\u5f00\u3002\u56e0\u6b64\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528curl\u8bd5\u63a2\u6027\u5730\u68c0\u67e5\u54ea\u4e9b\u6307\u6807\u5df2\u7ecf\u516c\u5f00\uff0c\u5e76\u786e\u4fdd\u5b83\u4eec\u786e\u5b9e\u5df2\u7ecf\u516c\u5f00\u4e86\u3002<\/p>\n<p>\u9996\u5148\uff0c\u542f\u52a8\u9002\u5f53\u7684Pod\u5e76\u5b89\u88c5curl\u3002<\/p>\n<pre class=\"post-pre\"><code>root@xenial-1512636123:\/# apt-get update -y &amp;&amp; apt-get install curl\r\n<\/code><\/pre>\n<p>\u786e\u8ba4\u76ee\u6807Pod\u7684IP\u5730\u5740\u3002<\/p>\n<pre class=\"post-pre\"><code>$ k get po -o wide | grep fluentd\r\nfluentd-cloud-logging-7630p                                             1\/1       Running            0          2m        10.2.37.28    ip-10-0-0-221.ap-northeast-1.compute.internal\r\nfluentd-cloud-logging-9mwxs                                             1\/1       Running            0          4m        10.2.91.80    ip-10-0-0-26.ap-northeast-1.compute.internal\r\nfluentd-cloud-logging-fgs52                                             1\/1       Running            0          4m        10.2.23.121   ip-10-0-0-82.ap-northeast-1.compute.internal\r\nfluentd-cloud-logging-hr309                                             1\/1       Running            0          2m        10.2.63.82    ip-10-0-0-140.ap-northeast-1.compute.internal\r\nfluentd-cloud-logging-llhm6                                             1\/1       Running            0          4m        10.2.6.24     ip-10-0-0-47.ap-northeast-1.compute.internal\r\n<\/code><\/pre>\n<p>\u6211\u5c06\u5411\/metrics\u76ee\u6807PodIP\u53d1\u9001HTTP GET\u8bf7\u6c42\u3002<\/p>\n<pre class=\"post-pre\"><code>root@xenial-1512636123:\/# curl 10.2.37.28:24231\/metrics\r\n# TYPE fluentd_status_buffer_queue_length gauge\r\n# HELP fluentd_status_buffer_queue_length Current buffer queue length.\r\nfluentd_status_buffer_queue_length{host=\"fluentd-cloud-logging-7630p\",plugin_id=\"object:3fb04b8d3494\",plugin_category=\"output\",type=\"datadog_log\"} 0.0\r\nfluentd_status_buffer_queue_length{host=\"fluentd-cloud-logging-7630p\",plugin_id=\"object:3fb04b9396f4\",plugin_category=\"output\",type=\"datadog_log\"} 0.0\r\n# TYPE fluentd_status_buffer_total_bytes gauge\r\n# HELP fluentd_status_buffer_total_bytes Current total size of queued buffers.\r\nfluentd_status_buffer_total_bytes{host=\"fluentd-cloud-logging-7630p\",plugin_id=\"object:3fb04b8d3494\",plugin_category=\"output\",type=\"datadog_log\"} 7235.0\r\nfluentd_status_buffer_total_bytes{host=\"fluentd-cloud-logging-7630p\",plugin_id=\"object:3fb04b9396f4\",plugin_category=\"output\",type=\"datadog_log\"} 0.0\r\n# TYPE fluentd_status_retry_count gauge\r\n# HELP fluentd_status_retry_count Current retry counts.\r\nfluentd_status_retry_count{host=\"fluentd-cloud-logging-7630p\",plugin_id=\"object:3fb04fd9fa3c\",plugin_category=\"output\",type=\"null\"} 0.0\r\nfluentd_status_retry_count{host=\"fluentd-cloud-logging-7630p\",plugin_id=\"object:3fb04b8d3494\",plugin_category=\"output\",type=\"datadog_log\"} 0.0\r\nfluentd_status_retry_count{host=\"fluentd-cloud-logging-7630p\",plugin_id=\"object:3fb04b9396f4\",plugin_category=\"output\",type=\"datadog_log\"} 0.0\r\n# TYPE fluentd_output_status_buffer_queue_length gauge\r\n# HELP fluentd_output_status_buffer_queue_length Current buffer queue length.\r\nfluentd_output_status_buffer_queue_length{host=\"fluentd-cloud-logging-7630p\",plugin_id=\"object:3fb04b8d3494\",type=\"datadog_log\"} 0.0\r\nfluentd_output_status_buffer_queue_length{host=\"fluentd-cloud-logging-7630p\",plugin_id=\"object:3fb04b9396f4\",type=\"datadog_log\"} 0.0\r\n# TYPE fluentd_output_status_buffer_total_bytes gauge\r\n# HELP fluentd_output_status_buffer_total_bytes Current total size of queued buffers.\r\nfluentd_output_status_buffer_total_bytes{host=\"fluentd-cloud-logging-7630p\",plugin_id=\"object:3fb04b8d3494\",type=\"datadog_log\"} 7235.0\r\nfluentd_output_status_buffer_total_bytes{host=\"fluentd-cloud-logging-7630p\",plugin_id=\"object:3fb04b9396f4\",type=\"datadog_log\"} 0.0\r\n# TYPE fluentd_output_status_retry_count gauge\r\n# HELP fluentd_output_status_retry_count Current retry counts.\r\nfluentd_output_status_retry_count{host=\"fluentd-cloud-logging-7630p\",plugin_id=\"object:3fb04fd9fa3c\",type=\"null\"} 0.0\r\nfluentd_output_status_retry_count{host=\"fluentd-cloud-logging-7630p\",plugin_id=\"object:3fb04b8d3494\",type=\"datadog_log\"} 0.0\r\nfluentd_output_status_retry_count{host=\"fluentd-cloud-logging-7630p\",plugin_id=\"object:3fb04b9396f4\",type=\"datadog_log\"} 0.0\r\n# TYPE fluentd_output_status_num_errors gauge\r\n# HELP fluentd_output_status_num_errors Current number of errors.\r\nfluentd_output_status_num_errors{host=\"fluentd-cloud-logging-7630p\",plugin_id=\"object:3fb04fd9fa3c\",type=\"null\"} 0.0\r\nfluentd_output_status_num_errors{host=\"fluentd-cloud-logging-7630p\",plugin_id=\"object:3fb04b8d3494\",type=\"datadog_log\"} 0.0\r\nfluentd_output_status_num_errors{host=\"fluentd-cloud-logging-7630p\",plugin_id=\"object:3fb04b9396f4\",type=\"datadog_log\"} 0.0\r\n# TYPE fluentd_output_status_emit_count gauge\r\n# HELP fluentd_output_status_emit_count Current emit counts.\r\nfluentd_output_status_emit_count{host=\"fluentd-cloud-logging-7630p\",plugin_id=\"object:3fb04fd9fa3c\",type=\"null\"} 18.0\r\nfluentd_output_status_emit_count{host=\"fluentd-cloud-logging-7630p\",plugin_id=\"object:3fb04b8d3494\",type=\"datadog_log\"} 92.0\r\nfluentd_output_status_emit_count{host=\"fluentd-cloud-logging-7630p\",plugin_id=\"object:3fb04b9396f4\",type=\"datadog_log\"} 0.0\r\n# TYPE fluentd_output_status_emit_records gauge\r\n# HELP fluentd_output_status_emit_records Current emit records.\r\nfluentd_output_status_emit_records{host=\"fluentd-cloud-logging-7630p\",plugin_id=\"object:3fb04fd9fa3c\",type=\"null\"} 18.0\r\nfluentd_output_status_emit_records{host=\"fluentd-cloud-logging-7630p\",plugin_id=\"object:3fb04b8d3494\",type=\"datadog_log\"} 548.0\r\nfluentd_output_status_emit_records{host=\"fluentd-cloud-logging-7630p\",plugin_id=\"object:3fb04b9396f4\",type=\"datadog_log\"} 0.0\r\n# TYPE fluentd_output_status_write_count gauge\r\n# HELP fluentd_output_status_write_count Current write counts.\r\nfluentd_output_status_write_count{host=\"fluentd-cloud-logging-7630p\",plugin_id=\"object:3fb04fd9fa3c\",type=\"null\"} 0.0\r\nfluentd_output_status_write_count{host=\"fluentd-cloud-logging-7630p\",plugin_id=\"object:3fb04b8d3494\",type=\"datadog_log\"} 30.0\r\nfluentd_output_status_write_count{host=\"fluentd-cloud-logging-7630p\",plugin_id=\"object:3fb04b9396f4\",type=\"datadog_log\"} 0.0\r\n# TYPE fluentd_output_status_rollback_count gauge\r\n# HELP fluentd_output_status_rollback_count Current rollback counts.\r\nfluentd_output_status_rollback_count{host=\"fluentd-cloud-logging-7630p\",plugin_id=\"object:3fb04fd9fa3c\",type=\"null\"} 0.0\r\nfluentd_output_status_rollback_count{host=\"fluentd-cloud-logging-7630p\",plugin_id=\"object:3fb04b8d3494\",type=\"datadog_log\"} 0.0\r\nfluentd_output_status_rollback_count{host=\"fluentd-cloud-logging-7630p\",plugin_id=\"object:3fb04b9396f4\",type=\"datadog_log\"} 0.0\r\n# TYPE fluentd_output_status_retry_wait gauge\r\n# HELP fluentd_output_status_retry_wait Current retry wait\r\nfluentd_output_status_retry_wait{host=\"fluentd-cloud-logging-7630p\",plugin_id=\"object:3fb04fd9fa3c\",type=\"null\"} 0.0\r\nfluentd_output_status_retry_wait{host=\"fluentd-cloud-logging-7630p\",plugin_id=\"object:3fb04b8d3494\",type=\"datadog_log\"} 0.0\r\nfluentd_output_status_retry_wait{host=\"fluentd-cloud-logging-7630p\",plugin_id=\"object:3fb04b9396f4\",type=\"datadog_log\"} 0.0\r\n<\/code><\/pre>\n<h2>\u7ed9Pod\u6dfb\u52a0\u6307\u5b9a\u7684\u6ce8\u91ca<\/h2>\n<p>\u7531\u4e8e\u672c\u6b21\u4f7f\u7528Prometheus\u68c0\u67e5\uff0c\u56e0\u6b64\u9700\u8981\u5bf9\u5176\u8fdb\u884c\u81ea\u52a8\u8bbe\u7f6e\u7684\u6ce8\u91ca\u3002<\/p>\n<p>Datadog\u7684AutoDiscovery\u4e00\u822c\u7684\u6ce8\u91ca\u5199\u6cd5\u5728\u5b98\u65b9\u6587\u4ef6\u4e2d\u6709\u63d0\u4f9b\u3002<\/p>\n<p>\u4f7f\u7528Prometheus\u68c0\u67e5 \u4eca\u6b21\u5229\u7528Prometheus\u68c0\u67e5\u7684\u8bdd\uff0c\u4f1a\u662f\u4ee5\u4e0b\u8fd9\u6837\u7684\u6ce8\u91ca\u3002\u57fa\u672c\u4e0a\uff0c\u4e0d\u8bba\u5e94\u7528\u7a0b\u5e8f\u5982\u4f55\uff0c\u76f4\u63a5\u5c06\u8fd9\u5185\u5bb9\u5199\u4e0b\u6765\u5e94\u8be5\u90fd\u6ca1\u6709\u95ee\u9898\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"na\">piVersion<\/span><span class=\"pi\">:<\/span> <span class=\"s\">extensions\/v1beta1<\/span>\r\n<span class=\"na\">kind<\/span><span class=\"pi\">:<\/span> <span class=\"s\">...<\/span>\r\n<span class=\"na\">metadata<\/span><span class=\"pi\">:<\/span>\r\n  <span class=\"c1\"># ...<\/span>\r\n<span class=\"na\">spec<\/span><span class=\"pi\">:<\/span>\r\n  <span class=\"na\">template<\/span><span class=\"pi\">:<\/span>\r\n    <span class=\"na\">metadata<\/span><span class=\"pi\">:<\/span>\r\n      <span class=\"c1\"># ...<\/span>\r\n      <span class=\"na\">annotations<\/span><span class=\"pi\">:<\/span>\r\n        <span class=\"s\">service-discovery.datadoghq.com\/fluentd-cloud-logging.check_names<\/span><span class=\"pi\">:<\/span> <span class=\"s1\">'<\/span><span class=\"s\">[\"prometheus\"]'<\/span>\r\n        <span class=\"s\">service-discovery.datadoghq.com\/fluentd-cloud-logging.init_configs<\/span><span class=\"pi\">:<\/span> <span class=\"s1\">'<\/span><span class=\"s\">[{}]'<\/span>\r\n        <span class=\"s\">service-discovery.datadoghq.com\/fluentd-cloud-logging.instances<\/span><span class=\"pi\">:<\/span> <span class=\"s1\">'<\/span><span class=\"s\">[{\"target\":\"http:\/\/%%host%%:24231\/metrics\"}]'<\/span>\r\n<\/code><\/pre>\n<h2>\u5728\u6dfb\u52a0\u6ce8\u91ca\u65f6\u5bb9\u6613\u9047\u5230\u7684\u95ee\u9898<\/h2>\n<p>\u4f5c\u4e3a\u4e00\u4e2a\u6ce8\u610f\u70b9\uff0cDatadog\u7684\u4ee3\u7406\u5373dd-agent\u5728\u4ee5\u4e0b\u65f6\u673a\u6267\u884c\u81ea\u52a8\u53d1\u73b0\u3002<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\u5f53Pod\u88ab\u521b\u5efa\u65f6<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\u5f53dd-agent\u542f\u52a8\u6216\u91cd\u65b0\u542f\u52a8\u65f6<\/ol>\n<p>\u5f53\u8fdb\u884c\u53cd\u8f6c\u64cd\u4f5c\u65f6\uff0c\u5728\u4ee5\u4e0b\u65f6\u673a\u4e0b\u5c06\u4e0d\u4f1a\u6267\u884c\u81ea\u52a8\u53d1\u73b0\u3002<\/p>\n<ul class=\"post-ul\">\u3059\u3067\u306b\u3042\u308bPod\u3092kubectl edit\/apply\u306a\u3069\u3067\u5909\u66f4\u3057\u305f\u3068\u304d<\/ul>\n<p>\u56e0\u6b64\uff0c\u5728\u521b\u5efaPod\u65f6\u5e94\u6dfb\u52a0\u6ce8\u91ca\u3002\u5982\u679c\u5728\u521b\u5efaPod\u4e4b\u540e\u6dfb\u52a0\u6ce8\u91ca\uff0c\u53ef\u4ee5\u901a\u8fc7\u5220\u9664\u5e76\u91cd\u65b0\u521b\u5efaPod\u6765\u89e6\u53d1\u81ea\u52a8\u53d1\u73b0\u3002<\/p>\n<h2>\u6211\u6765\u68c0\u67e5\u4e00\u4e0bdd-agent\u7684Prometheus\u68c0\u67e5\u662f\u5426\u5df2\u7ecf\u542f\u7528\u3002<\/h2>\n<p>\u5982\u679c\u81ea\u52a8\u53d1\u73b0\u529f\u80fd\u6b63\u5e38\u8fd0\u884c\uff0c\u5e94\u8be5\u4f1a\u81ea\u52a8\u542f\u7528Prometheus\u68c0\u67e5\uff0c\u6240\u4ee5\u8bf7\u9a8c\u8bc1\u4e00\u4e0b\u8fd9\u4e00\u70b9\u3002<\/p>\n<p>\u5728\u5bb9\u5668\u4e0a\u6267\u884cdatadog-agent info\u547d\u4ee4\u53ef\u4ee5\u4e86\u89e3dd-agent\u6b63\u5728\u8fd0\u884c\u7684\u68c0\u67e5\u3002<\/p>\n<p>\u901a\u5e38\u60c5\u51b5\u4e0b\uff0cdd-agent\u5e94\u8be5\u4ee5DaemonSet\u7684\u5f62\u5f0f\u5728\u6bcf\u4e2a\u4e3b\u673a\u4e0a\u8c03\u5ea61\u4e2aPod\u3002\u56e0\u6b64\uff0c\u6211\u4eec\u53ef\u4ee5\u5bf9\u6240\u6709dd-agent\u6267\u884c\u4ee5\u4e0b\u547d\u4ee4\u8fdb\u884c\u786e\u8ba4\u3002<\/p>\n<pre class=\"post-pre\"><code>$ for pod in $(k get po | grep datadog | cut -d ' ' -f 1); do echo pod: $pod; k exec -it $pod -- sh -c 'service datadog-agent info | grep prometheus -C 3'; done\r\npod: datadog-datadog-4vplw\r\nDefaulting container name to datadog.\r\nUse 'kubectl describe pod\/datadog-datadog-4vplw' to see all of the containers in this pod.\r\n2017-12-07 13:49:39,786 | WARNING | dd.collector | utils.service_discovery.config(config.py:31) | No configuration backend provided for service discovery. Only auto config templates will be used.\r\n  Checks\r\n  ======\r\n\r\n    prometheus (custom)\r\n    -------------------\r\n      - instance #0 [OK]\r\n      - Collected 32 metrics, 0 events &amp; 0 service checks\r\n2017-12-07 13:49:40,449 | WARNING | dd.dogstatsd | utils.service_discovery.config(config.py:31) | No configuration backend provided for service discovery. Only auto config templates will be used.\r\npod: datadog-datadog-8nwzv\r\nDefaulting container name to datadog.\r\nUse 'kubectl describe pod\/datadog-datadog-8nwzv' to see all of the containers in this pod.\r\n  Checks\r\n  ======\r\n\r\n    prometheus (custom)\r\n    -------------------\r\n      - instance #0 [OK]\r\n      - Collected 32 metrics, 0 events &amp; 0 service checks\r\n\r\n*snip*\r\n<\/code><\/pre>\n<p>\u56e0\u4e3aprometheus\uff08\u81ea\u5b9a\u4e49\uff09\u672c\u6b21\u4f7f\u7528\u7684\u662fPrometheus check\uff0c\u6240\u4ee5\u5b83\u663e\u793a\u5728Checks\u4e0b\u9762\uff0c\u5e76\u4e14\u5b9e\u4f8b\uff030\u4e3a[OK]\uff0c\u5982\u679c\u6536\u96c6\u7684\u6307\u6807\u6570\u91cf\u4e3a\u975e\u96f6\uff0c\u5219\u8868\u793a\u201c\u5df2\u6536\u96c6xx\u4e2a\u6307\u6807\u201d\u4e3aOK\u3002<\/p>\n<p>\u5982\u679c\u5728Auto Discovery\u8fc7\u7a0b\u4e2d\u51fa\u73b0\u4efb\u4f55\u9519\u8bef\uff08\u5728\u6b64\u60c5\u51b5\u4e0b\uff0c\u9519\u8bef\u5e94\u5728collector.log\u4e2d\u663e\u793a\u3002\u6709\u5173\u8be6\u7ec6\u4fe1\u606f\uff0c\u8bf7\u53c2\u8003\u672c\u6587\u5e95\u90e8\u7684\u201c\u6545\u969c\u6392\u9664\u201d\u90e8\u5206\uff09\uff0c\u90a3\u4e48\u5982\u679c\u6709Prometheus\uff08\u81ea\u5b9a\u4e49\uff09\u5b58\u5728\uff0c\u5b83\u4e0d\u5e94\u8be5\u663e\u793a\u5728\u8fd9\u91cc\u3002<\/p>\n<p>\u6b64\u5916\uff0c\u9700\u8981instance #0\u53d8\u4e3a[OK]\u7684\u539f\u56e0\u662f\uff0c\u7531\u4e8e\u672c\u6b21\u6ce8\u89e3\u4ec5\u6307\u793a\u4e86\u4e00\u6b21\u68c0\u67e5\uff0c\u56e0\u6b64\u8be5\u552f\u4e00\u68c0\u67e5\u7684\u7d22\u5f15\u4e3a0\u3002<\/p>\n<p>\u800c\u4e14\uff0c\u5982\u679c&#8221;Collected xx metrics&#8221;\u7684\u503c\u4e0d\u4e3a\u96f6\u7684\u539f\u56e0\u662f\uff0c\u68c0\u67e5\u5df2\u6267\u884c\u5e76\u6210\u529f\u8bbf\u95ee\u4e86Prometheus\u7ec8\u7aef\uff0c\u5e76\u4e14\u5982\u679cPrometheus\u7ec8\u7aef\u81f3\u5c11\u516c\u5f00\u4e86\u4e00\u4e2a\u6216\u591a\u4e2a\u6307\u6807\uff0c\u90a3\u4e48\u8be5\u503c\u5e94\u8be5\u4f1a\u589e\u52a0\u3002\u5982\u679c\u6ca1\u6709\u589e\u52a0\uff0c\u90a3\u4e48\u53ef\u80fd\u53d1\u751f\u4e86\u9519\u8bef\uff0c\u6216\u8005\u7ec8\u7aef\u5b58\u5728\u4f46\u6ca1\u6709\u516c\u5f00\u4efb\u4f55\u6307\u6807\uff0c\u53ea\u80fd\u8003\u8651\u8fd9\u6837\u7684\u60c5\u51b5\u3002<\/p>\n<h2>\u786e\u8ba4Datadog\u5df2\u7ecf\u6536\u5230\u4e86\u6307\u6807\u4fe1\u53f7\u3002<\/h2>\n<p>\u6211\u5011\u5c07\u5728Datadog\u7684Metrics Explorer\u4e2d\u4f7f\u7528\u90e8\u5206\u5339\u914d\u7684\u65b9\u5f0f\u5617\u8a66\u641c\u7d22\u8981\u6293\u53d6\u7684\u6307\u6a19\u540d\u7a31\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d525337434c4406ccc80a\/74-0.png\" alt=\"image.png\" \/><\/div>\n<p>\u53ea\u8981\u80fd\u591f\u51fa\u73b0\u6307\u6807\u540d\u79f0\u7684\u81ea\u52a8\u8865\u5168\u5019\u9009\u9879\uff0c\u5c31\u53ef\u4ee5\u786e\u5b9a\u8be5\u540d\u79f0\u7684\u6307\u6807\u5df2\u7ecf\u88ab\u53d1\u9001\u5230Datadog\uff0c\u56e0\u6b64\u662f\u6210\u529f\u7684\u3002<\/p>\n<h2>\u5c06Datadog\u6536\u5230\u7684\u6307\u6807\u8f6c\u5316\u4e3a\u56fe\u8868\u3002<\/h2>\n<p>\u5728Metrics Explorer\u7684Graph\u680f\u4e2d\uff0c\u9009\u62e9\u6240\u6709\u6211\u4eec\u8fd9\u6b21\u53d1\u9001\u7684\u6307\u6807\uff0c\u5e76\u5c06\u5176\u7ed8\u5236\u6210\u56fe\u8868\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d525337434c4406ccc80a\/78-0.png\" alt=\"image.png\" \/><\/div>\n<p>\u5982\u679c\u7ed8\u5236\u51fa\u4e86\u9884\u5b9a\u7684\u56fe\u8868\uff0c\u90a3\u4e48\u53ef\u4ee5\u8bf4\u6211\u4eec\u80fd\u591f\u81ea\u52a8\u53d1\u73b0\u548c\u6293\u53d6\u5e94\u7528\u7a0b\u5e8f\u7684\u6307\u6807\u5230dd-agent\uff0c\u4ee5\u7b26\u5408\u610f\u56fe\u3002<\/p>\n<h1>\u5145\u5206\u5229\u7528Datadog\u72ec\u7279\u7684\u529f\u80fd<\/h1>\n<p>Datadog\u7684\u4e00\u4e2a\u7279\u70b9\u662f\u6307\u6807\u6807\u7b7e\u7684\u7075\u6d3b\u6027\u3002<\/p>\n<p>\u5728Prometheus\u4e2d\u6709\u4e00\u4e2a\u540d\u4e3arelabellin\u7684\u529f\u80fd\uff0c\u53ef\u4ee5\u5728\u6293\u53d6\u6307\u6807\u65f6\u91cd\u65b0\u8bbe\u7f6e\u6807\u7b7e\uff08\u76f8\u5f53\u4e8eDatadog\u7684tag\uff09\u3002\u5b83\u53ef\u4ee5\u5728kubenetes_sd_config\u4e2d\u4f7f\u7528\uff0c\u4f46\u6839\u636e\u6211\u6240\u67e5\u5230\u7684\u8bbe\u7f6e\u65b9\u6cd5\uff0c\u4f3c\u4e4e\u6ca1\u6709\u4e00\u79cd\u901a\u7528\u7684\u65b9\u6cd5\u6765\u8bbe\u7f6e\u4efb\u610f\u6807\u7b7e(?)\u3002<\/p>\n<p>\u6bd4\u5982\u8bf4\uff0c\u67d0\u4e2adatadog-agent\u53ef\u4ee5\u7ed9\u5176\u6536\u96c6\u7684\u6307\u6807\u7edf\u4e00\u6dfb\u52a0\u6807\u7b7e\uff0c\u4f8b\u5982env:test\u548ckube_cluster:mycluster\u3002\u5206\u522b\u8868\u793a\u201c\u53ea\u60f3\u7b5b\u9009\u51fa\u6d4b\u8bd5\u73af\u5883\u7684\u6307\u6807\u201d\u548c\u201c\u53ea\u60f3\u7b5b\u9009\u51fa\u90e8\u7f72\u5728\u540d\u4e3amycluster\u7684Kubernetes\u96c6\u7fa4\u4e2d\u7684\u5e94\u7528\u7a0b\u5e8f\u7684\u6307\u6807\u201d\u3002\u8fd9\u6837\u53ef\u4ee5\u5b9e\u73b0\u8fd9\u4e9b\u4f7f\u7528\u573a\u666f\uff0c\u5e76\u4e14\u975e\u5e38\u65b9\u4fbf\u3002<\/p>\n<h2>\u5982\u679c\u8981\u4f7f\u7528Pod Annotation<\/h2>\n<p>\u5728\u5b9e\u65bd Prometheus Check \u7684 prometheus.py \u4e2d\u5e94\u7528\u6b64 PR \u7684\u53d8\u66f4\u540e\uff0c\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u7684\u5b9e\u73b0\u6765\u5b9e\u73b0\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"c1\"># ...<\/span>\r\n<span class=\"na\">spec<\/span><span class=\"pi\">:<\/span>\r\n  <span class=\"c1\"># ...<\/span>\r\n  <span class=\"na\">template<\/span><span class=\"pi\">:<\/span>\r\n    <span class=\"na\">metadata<\/span><span class=\"pi\">:<\/span>\r\n      <span class=\"na\">annotations<\/span><span class=\"pi\">:<\/span>\r\n        <span class=\"s\">service-discovery.datadoghq.com\/fluentd-cloud-logging.check_names<\/span><span class=\"pi\">:<\/span> <span class=\"s1\">'<\/span><span class=\"s\">[\"prometheus\"]'<\/span>\r\n        <span class=\"s\">service-discovery.datadoghq.com\/fluentd-cloud-logging.init_configs<\/span><span class=\"pi\">:<\/span> <span class=\"s1\">'<\/span><span class=\"s\">[{}]'<\/span>\r\n        <span class=\"s\">service-discovery.datadoghq.com\/fluentd-cloud-logging.instances<\/span><span class=\"pi\">:<\/span> <span class=\"s1\">'<\/span><span class=\"s\">[{\"target\":\"http:\/\/%%host%%:24231\/metrics\",<\/span>\r\n          <span class=\"s\">\"tags\":[\"env:test\",\"kube_cluster:mycluster\"]}]'<\/span>\r\n<\/code><\/pre>\n<h2>\u5982\u679c\u5728dd-agent\u7ea7\u522b\u4e0a\u8fdb\u884c\u8bbe\u7f6e<\/h2>\n<p>\u5982\u679c\u5728dd-agent\u5bb9\u5668\u7684TAGS\u73af\u5883\u53d8\u91cf\u4e2d\u8bbe\u7f6e\u7c7b\u4f3c\u4e8ekey1:val1\uff0ckey2:val2\u7684\u5b57\u7b26\u4e32\uff0c\u53ef\u4ee5\u5b9e\u73b0\u6b64\u529f\u80fd\u3002<\/p>\n<p>\u53c2\u8003\uff1aDatadog Helm Chart\u76f8\u5173\u4ee3\u7801<\/p>\n<h1>\u603b\u7ed3<\/h1>\n<p>\u6211\u5df2\u7ecf\u89e3\u91ca\u4e86\u5982\u4f55\u4f7f\u7528Datadog\u81ea\u52a8\u6293\u53d6\u5e94\u7528\u7a0b\u5e8f\u7684\u5ea6\u91cf\u6307\u6807\u7684\u65b9\u6cd5\u3002<\/p>\n<p>\u5e94\u7528\u7a0b\u5e8f\u53ea\u9700\u5728Kubernetes Pod\u4e0a\u6dfb\u52a0\u6307\u5b9a\u7684\u6ce8\u91ca\uff0c\u5e76\u5728Prometheus\u7aef\u70b9\u4e0a\u521b\u5efa\uff0c\u4e0d\u518d\u9700\u8981\u6bcf\u6b21\u90fd\u53ec\u96c6\u57fa\u7840\u67b6\u6784\u5de5\u7a0b\u5e08\uff0c\u5927\u5927\u7b80\u5316\u4e86\u6536\u96c6\u6307\u6807\u7684\u8fc7\u7a0b\uff0c\u53d8\u5f97\u66f4\u52a0\u8f7b\u677e\uff01<\/p>\n<p>\u7531\u4e8eDatadog\u5177\u6709\u53cb\u597d\u7684\u7528\u6237\u754c\u9762\uff0c\u4efb\u4f55\u4eba\u90fd\u53ef\u4ee5\u8f7b\u677e\u521b\u5efa\u56fe\u8868\u548c\u8b66\u62a5\u3002\u8fd9\u6837\u4e00\u6765\uff0c\u5728\u521b\u5efa\u56fe\u8868\u548c\u8b66\u62a5\u65f6\u5c31\u4e0d\u518d\u9700\u8981\u57fa\u7840\u8bbe\u65bd\u5de5\u7a0b\u5e08\u7684\u4ecb\u5165\uff0c\u53d8\u5f97\u66f4\u52a0\u8f7b\u677e\uff01<\/p>\n<p>\u5982\u679c\u60a8\u5e0c\u671b\u4f7f\u670d\u52a1\u548c\u5e94\u7528\u7a0b\u5e8f\u7684\u76d1\u63a7\u81ea\u52a9\u5316\u7684\u8bdd\uff0c\u8bf7\u52a1\u5fc5\u5c1d\u8bd5\u4e00\u4e0b\u3002<\/p>\n<h1>\u9644\u5f55\uff1a\u6545\u969c\u6392\u9664<\/h1>\n<h2>Prometheus\u6307\u6807\u65e0\u6cd5\u5bfc\u5165\u5230Datadog\u4e2d\u3002<\/h2>\n<p>\u8bf7\u68c0\u67e5dd-agent\u7684collector.log\u6587\u4ef6\uff0c\u770b\u770b\u662f\u5426\u6709\u4efb\u4f55\u9519\u8bef\u4fe1\u606f\uff0c\u56e0\u4e3aPrometheus\u68c0\u67e5\u662f\u7531dd-agent\u7684collector\u7ec4\u4ef6\u6267\u884c\u7684\u3002<\/p>\n<pre class=\"post-pre\"><code>$ for pod in $(k get po | grep datadog | cut -d ' ' -f 1); do echo pod: $pod; k exec -it $pod -- sh -c 'cat \/var\/log\/datadog\/collector.log | tail -n 30'; done\r\n<\/code><\/pre>\n<h2>\u6536\u96c6\u5668\u65e5\u5fd7\u4e2d\u7684&#8220;Could not decode the JSON configuration template for the entity&#8220;\u65e0\u6cd5\u89e3\u7801\u5b9e\u4f53\u7684JSON\u914d\u7f6e\u6a21\u677f\u3002<\/h2>\n<p>\u5982\u679c\u5728\u671f\u671b\u6709\u7279\u5b9aannotation\u7684\u5730\u65b9\uff0c\u5374\u51fa\u73b0\u4e86\u65e0\u6cd5\u89e3\u6790\u4e3aJSON\u7684\u5185\u5bb9\uff0c\u5c31\u4f1a\u51fa\u73b0\u9519\u8bef\u3002<\/p>\n<pre class=\"post-pre\"><code>2017-12-07 12:54:31 UTC | WARNING | dd.collector | utils.service_discovery.config(config.py:31) | No configuration backend provided for service discovery. Only auto config templates will be used.\r\n2017-12-07 12:54:31 UTC | WARNING | dd.collector | utils.service_discovery.config(config.py:31) | No configuration backend provided for service discovery. Only auto config templates will be used.\r\n2017-12-07 12:54:31 UTC | WARNING | dd.collector | collector(kubeutil.py:277) | Couldn't find the agent pod and namespace, using the default.\r\n2017-12-07 12:54:31 UTC | ERROR | dd.collector | utils.service_discovery.abstract_config_store(abstract_config_store.py:238) | Could not decode the JSON configuration template for the entity mumoshu\/kube-fluentd:1.0.0-0.9.10-rc.17...\r\nTraceback (most recent call last):\r\n  File \"\/opt\/datadog-agent\/agent\/utils\/service_discovery\/abstract_config_store.py\", line 230, in _extract_template\r\n    check_names = json.loads(source_dict[key_prefix + CHECK_NAMES])\r\n  File \"\/opt\/datadog-agent\/embedded\/lib\/python2.7\/site-packages\/simplejson\/__init__.py\", line 505, in loads\r\n    return _default_decoder.decode(s)\r\n  File \"\/opt\/datadog-agent\/embedded\/lib\/python2.7\/site-packages\/simplejson\/decoder.py\", line 370, in decode\r\n    obj, end = self.raw_decode(s)\r\n  File \"\/opt\/datadog-agent\/embedded\/lib\/python2.7\/site-packages\/simplejson\/decoder.py\", line 400, in raw_decode\r\n    return self.scan_once(s, idx=_w(s, idx).end())\r\nJSONDecodeError: Expecting ',' delimiter or ']': line 1 column 14 (char 13)\r\n2017-12-07 12:54:36 UTC | WARNING | dd.collector | checks.docker_daemon(docker_daemon.py:641) | Unable to report cgroup metrics: Cannot report on bogus pid(0)\r\n<\/code><\/pre>\n<p>\u8ba9\u6211\u4eec\u68c0\u67e5\u4e09\u4e2a\u6ce8\u89e3\u503c\u662f\u5426\u5b58\u5728JSON\u9519\u8bef\u3002<\/p>\n<h2>\u8fde\u63a5\u9519\u8bef\uff1aHTTPConnectionPool\uff08\u4e3b\u673a= &#8216;10.2.63.85&#8217;\uff0c\u7aef\u53e3= 24321\uff09\uff1a\u8d85\u8fc7\u6700\u5927\u91cd\u8bd5\u6b21\u6570\uff0cURL\u4e3a\/ metrics\u3002<\/h2>\n<p>\u5982\u679c\u5728instances annotation\u4e2d\u63d0\u4f9b\u7684\u722c\u53d6\u76ee\u6807\u7aef\u53e3\u53f7\u4e0d\u540c\uff0c\u5219\u4f1a\u51fa\u73b0\u9519\u8bef\uff08\u5728\u6b64\u4f8b\u4e2d\uff0c\u5e94\u8be5\u662f24231\uff0c\u800c\u4e0d\u662f24321\uff09\u3002<\/p>\n<pre class=\"post-pre\"><code>Traceback (most recent call last):\r\n  File \"\/opt\/datadog-agent\/agent\/checks\/__init__.py\", line 795, in run\r\n    self.check(copy.deepcopy(instance))\r\n  File \"\/etc\/dd-agent\/checks.d\/prometheus.py\", line 68, in check\r\n    instance=instance)\r\n  File \"\/etc\/dd-agent\/checks.d\/prometheus.py\", line 48, in process\r\n    content_type, data = self.poll(endpoint, headers=headers)\r\n  File \"\/opt\/datadog-agent\/agent\/checks\/prometheus_check.py\", line 301, in poll\r\n    req = requests.get(endpoint, headers=headers)\r\n  File \"\/opt\/datadog-agent\/embedded\/lib\/python2.7\/site-packages\/requests\/api.py\", line 70, in get\r\n    return request('get', url, params=params, **kwargs)\r\n  File \"\/opt\/datadog-agent\/embedded\/lib\/python2.7\/site-packages\/requests\/api.py\", line 56, in request\r\n    return session.request(method=method, url=url, **kwargs)\r\n  File \"\/opt\/datadog-agent\/embedded\/lib\/python2.7\/site-packages\/requests\/sessions.py\", line 475, in request\r\n    resp = self.send(prep, **send_kwargs)\r\n  File \"\/opt\/datadog-agent\/embedded\/lib\/python2.7\/site-packages\/requests\/sessions.py\", line 596, in send\r\n    r = adapter.send(request, **kwargs)\r\n  File \"\/opt\/datadog-agent\/embedded\/lib\/python2.7\/site-packages\/requests\/adapters.py\", line 487, in send\r\n    raise ConnectionError(e, request=request)\r\nConnectionError: HTTPConnectionPool(host='10.2.63.85', port=24321): Max retries exceeded with url: \/metrics (Caused by NewConnectionError('&lt;requests.packages.urllib3.connection.HTTPConnection object at 0x7fa268bb7f90&gt;: Failed to establish a new connection: [Errno 111] Connection refused',))\r\n<\/code><\/pre>\n<h1>\u80fd\u5426\u88dc\u8db3\u4e00\u4e0b\uff1aPrometheus \u7121\u6cd5\u505a\u55ce\uff1f<\/h1>\n<p>\u6709\u70b9\u96be\u4ee5\u7f6e\u4fe1\uff0c\u4f46\u81f3\u5c11\u4e0d\u80fd\u50cfDatadog\u90a3\u6837\u8f7b\u677e\u5427\uff1f<\/p>\n<p>\u867d\u7136\u6709\u4e00\u4e9b\u529f\u80fd\u548c\u95ee\u9898\uff0c\u53ef\u4ee5\u81ea\u52a8\u53d1\u73b0Node\u548c\u5e38\u7528Kubernetes\u7ec4\u4ef6\uff0c\u4f46\u6ca1\u6709\u627e\u5230\u53ef\u4ee5\u81ea\u52a8\u53d1\u73b0\u7528\u6237\u90e8\u7f72\u7684\u4efb\u610f\u5e94\u7528\u7684\u6307\u6807\u7684\u5de5\u5177\u3002<\/p>\n<p>\u6211\u76f8\u4fe1\u6211\u603b\u6709\u4e00\u5929\u4f1a\u80fd\u591f\u505a\u5230\uff0c\u4f46\u73b0\u5728\u6765\u8bf4\uff0cDatadog\u662f\u552f\u4e00\u7684\u9009\u62e9\u3002<\/p>\n<p>\u5728\u6b64\u6587\u7ae0\u53d1\u5e03\u65f6\uff0c\u66fe\u7ecf\u63d0\u5230Prometheus\u6ca1\u6709\u81ea\u52a8\u53d1\u73b0\u529f\u80fd\uff0c\u4f46\u662f\u6211\u9519\u4e86\u3002\u5b9e\u9645\u4e0a\uff0c\u4f3c\u4e4e\u6709\u4e00\u79cd\u65b9\u6cd5\u662f\u901a\u8fc7\u5bf9Pod\u542f\u7528\u670d\u52a1\u53d1\u73b0\u6765\u5b9e\u73b0\u3002 (\u6839\u636e@shmurata\u63d0\u4f9b\u7684\u4fe1\u606f\u3002\u975e\u5e38\u611f\u8c22\u60a8\uff01)<\/p>\n<p>\u8bf7\u53c2\u9605\u6b64\u94fe\u63a5\uff1ahttps:\/\/qiita.com\/mumoshu\/items\/9fb7988ccbefa88b61cd#comment-99d56d5b415e574a758a<\/p>\n<p>\u6211\u5df2\u7ecf\u8d34\u51fa\u4e86\u4e0b\u9762\u7684\u8c03\u67e5\u7ed3\u679c\uff0c\u8bf7\u6709\u7ecf\u9a8c\u7684\u4eba\u8865\u5145\u4e00\u4e0b\uff0c\u8c22\u8c22\u3002<\/p>\n<p>Kubernetes\u306ePrometheus Discovery\u3068\u3044\u3046Issue<\/p>\n<p>https:\/\/github.com\/kubernetes\/kubernetes\/issues\/11858<\/p>\n<p>Prometheus\u306bKubernetes Discovery\u3068\u3044\u3046\u6a5f\u80fd\u304c\u4ee5\u524d\u8ffd\u52a0\u3055\u308c\u305f<\/p>\n<p>\u3053\u308c\u306fnode\u3084pod\u306e\u30e1\u30c8\u30ea\u30af\u30b9\u3092\u81ea\u52d5\u7684\u306b\u767a\u898b\u3001\u30b9\u30af\u30ec\u30fc\u30d7\u3067\u304d\u308b\u3068\u3044\u3046\u8a71<br 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Discovery)\u306e\u8a2d\u5b9a\u304c\u542b\u307e\u308c\u308b\u304c\u3001\u30a2\u30d7\u30ea\u306e\u30e1\u30c8\u30ea\u30af\u30b9\u306b\u95a2\u3057\u3066\u306f\u8a00\u53ca\u306a\u3057<\/p>\n<p>SO\u3067Prometheus\u306epushgateway\u3092\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306esidecar\u306b\u3057\u3066\u3001\u305d\u3053\u304b\u3089\u9001\u308c\u3070\u3001\u3068\u3044\u3046\u63d0\u6848\u304c\u3042\u308b\u304c\u3001Prometheus\u958b\u767a\u8005\u306f\u63a8\u5968\u3057\u3066\u3044\u306a\u3044<\/p>\n<p>\u3042\u3068\u3001\u81ea\u52d5\u767a\u898b\u3068\u306f\u3044\u3048\u306a\u3044<\/p>\n<h1>\u88dc\u5145\uff1a\u672a\u4f86\u7684\u6311\u6230<\/h1>\n<p>\u6839\u636e\u6211\u7684\u7406\u89e3\uff0c\u8fd9\u6bb5\u8bdd\u7684\u542b\u4e49\u662f\uff1a\u6211\u4eec\u4f7f\u7528\u7684Prometheus 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[&hellip;]<\/p>\n","protected":false},"author":10,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-43406","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u81ea\u52a8\u6536\u96c6\u5728Kubernetes\u90e8\u7f72\u7684\u5e94\u7528\u7a0b\u5e8f\u7684\u6307\u6807\u6570\u636e - Blog - Silicon Cloud<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/zh\/blog\/\u81ea\u52a8\u6536\u96c6\u5728kubernetes\u90e8\u7f72\u7684\u5e94\u7528\u7a0b\u5e8f\u7684\u6307\u6807\u6570\u636e\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" 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