{"id":43270,"date":"2023-01-03T23:24:31","date_gmt":"2023-07-11T01:07:12","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e4%bd%bf%e7%94%a8datadog%e7%9b%91%e8%a7%86prometheus-exporter%e7%9a%84%e6%83%85%e5%86%b5%e3%80%82\/"},"modified":"2024-04-29T08:24:52","modified_gmt":"2024-04-29T00:24:52","slug":"%e4%bd%bf%e7%94%a8datadog%e7%9b%91%e8%a7%86prometheus-exporter%e7%9a%84%e6%83%85%e5%86%b5%e3%80%82","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e4%bd%bf%e7%94%a8datadog%e7%9b%91%e8%a7%86prometheus-exporter%e7%9a%84%e6%83%85%e5%86%b5%e3%80%82\/","title":{"rendered":"\u4f7f\u7528Datadog\u76d1\u89c6Prometheus Exporter\u7684\u60c5\u51b5"},"content":{"rendered":"<h1>\u52a8\u529b<\/h1>\n<p>\u7531\u4e8e Prometheus \u6700\u8fd1\u8fc5\u901f\u666e\u53ca\uff0c\u6210\u4e3a\u4e8b\u5b9e\u6807\u51c6\uff0c\u800c\u4e14\u51fa\u73b0\u4e86\u8bb8\u591a\u4e0d\u540c\u7c7b\u578b\u7684 Prometheus Exporter \u7528\u4e8e\u6307\u6807\u6536\u96c6\uff0c\u56e0\u6b64\u6211\u4eec\u5728 Datadog \u4e2d\u4e5f\u5e0c\u671b\u4f7f\u7528 Prometheus Exporter \u6765\u8fdb\u884c\u6307\u6807\u6536\u96c6\u3002<\/p>\n<h1>\u68c0\u67e5\u4eba\u5de5\u667a\u80fd\u4efb\u52a1\u6587\u4ef6.py<\/h1>\n<p>\u5728\u6700\u65b0\u7248\u7684Datadog\u4ee3\u7406\u7a0b\u5e8f\u4e2d\uff0c\u5305\u542b\u4e86\u4e00\u4e2a\u7528\u4e8e\u76d1\u89c6Prometheus Exporter\u7684\u811a\u672c\uff0c\u540d\u4e3aprometheus_check.py\u3002<\/p>\n<p>\u4ece https:\/\/docs.datadoghq.com\/ja\/guides\/agent_checks\/ \u7ee7\u627f\u4e86 AgentCheck \u7c7b\u7684 prometheus_check.py\uff0c\u770b\u8d77\u6765\u5b83\u53ef\u4ee5\u76f4\u63a5\u4f5c\u4e3a Datadog \u7684 checks \u63d2\u4ef6\u4f7f\u7528\u3002\u7136\u800c\uff0c\u5b9e\u9645\u4e0a\u7531\u4e8echeck\u65b9\u6cd5\u7684\u5b9e\u73b0\u4e0d\u662f\u4ee5\u4e0b\u6240\u793a\uff0c\u6240\u4ee5\u9700\u8981\u4f7f\u7528prometheus_check.py\u6765\u8fdb\u884c\u81ea\u5b9a\u4e49\u6269\u5c55\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">def<\/span> <span class=\"nf\">check<\/span><span class=\"p\">(<\/span><span class=\"bp\">self<\/span><span class=\"p\">,<\/span> <span class=\"n\">instance<\/span><span class=\"p\">):<\/span>\r\n    <span class=\"s\">\"\"\"\r\n    check should take care of getting the url and other params\r\n    from the instance and using the utils to process messages and submit metrics.\r\n    \"\"\"<\/span>\r\n    <span class=\"k\">raise<\/span> <span class=\"nb\">NotImplementedError<\/span><span class=\"p\">()<\/span>\r\n<\/code><\/pre>\n<h1>\u5ef6\u8fdf@datadog-agent-prometheus<\/h1>\n<p>\u4f5c\u4e3a prometheus_check.py \u5b9e\u73b0\u7684\u4e00\u4e2a\u793a\u4f8b\uff0c\u5728\u4e0a\u8ff0\u4ed3\u5e93\u4e2d\uff0c\u516c\u5f00\u4e86\u4e00\u4e2a\u540d\u4e3a checks \u7684\u811a\u672c\u3002\u56e0\u6b64\uff0c\u6211\u5c06\u4f7f\u7528\u5b83\u6765\u8fdb\u884c\u672c\u6b21\u64cd\u4f5c\u3002<\/p>\n<p>\u5c06 prometheus.py \u6587\u4ef6\u653e\u7f6e\u5728\u4e0a\u8ff0\u5b58\u50a8\u5e93\u7684 check.d \u76ee\u5f55\u4e2d\uff0c\u5c06\u5176\u5b89\u88c5\u5230 datadog \u7684 checks.d \u76ee\u5f55\u4e2d\uff0c\u8fd9\u6837\u53ef\u4ee5\u4ece Datadog \u4ee3\u7406\u7a0b\u5e8f\u4e2d\u8c03\u7528\u5b83\u3002<\/p>\n<p>\u8bbe\u7f6e\u6587\u4ef6\u7684\u683c\u5f0f\u5728 README \u4e2d\u4e5f\u6709\u8bf4\u660e\uff0c\u4f46\u6307\u5b9a\u65b9\u5f0f\u5982\u4e0b\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"na\">init_config<\/span><span class=\"pi\">:<\/span>\r\n\r\n<span class=\"na\">instances<\/span><span class=\"pi\">:<\/span>\r\n  <span class=\"pi\">-<\/span> <span class=\"na\">target<\/span><span class=\"pi\">:<\/span> <span class=\"s\">http:\/\/localhost:9100\/metrics<\/span>\r\n    <span class=\"na\">config<\/span><span class=\"pi\">:<\/span>\r\n      <span class=\"na\">drop<\/span><span class=\"pi\">:<\/span>\r\n        <span class=\"pi\">-<\/span> <span class=\"s\">.*<\/span>\r\n      <span class=\"na\">keep<\/span><span class=\"pi\">:<\/span>\r\n        <span class=\"pi\">-<\/span> <span class=\"s\">node_cpu.*<\/span>\r\n        <span class=\"pi\">-<\/span> <span class=\"s\">node_memory.*<\/span>\r\n<\/code><\/pre>\n<p>\u6307\u5b9a\u8981\u76d1\u89c6\u7684\u7ec8\u7aef\u76ee\u6807\u3002\u8fd8\u53ef\u4ee5\u8fdb\u884c\u4e00\u4e9b\u5176\u4ed6\u7684\u6269\u5c55\u8bbe\u7f6e\u3002<\/p>\n<p>\u6839\u636e\u76ee\u524d\u7684\u5b9e\u65bd\u60c5\u51b5\u6765\u770b\uff0c\u4f3c\u4e4e\u652f\u6301\u4e86\u4ee5\u4e0b\u8fd9\u6837\u7684\u8bbe\u5b9a\u3002<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">tags<\/ul>\n<\/li>\n<\/ul>\n<p>Datadog \u306e\u30bf\u30b0\u3068\u3057\u3066\u4ed8\u4e0e\u3057\u305f\u3044\u6587\u5b57\u5217\u3092\u6307\u5b9a\u3057\u307e\u3059 (foo:var,env:prd &#8230;)<\/p>\n<p>format<\/p>\n<p>Prometheus Exporter \u306b\u63a5\u7d9a\u3059\u308b\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u3092\u5f37\u5236\u3057\u305f\u3044\u5834\u5408\u306f\u3053\u3053\u3067\u6307\u5b9a\u3057\u307e\u3059\u3002<br \/>\nPROTOBUF<br \/>\nTEXT<\/p>\n<p>config.drops<\/p>\n<p>\u30e1\u30c8\u30ea\u30af\u30b9\u306e\u3046\u3061\u3001\u5bfe\u8c61\u306b\u3057\u306a\u3044\u3082\u306e\u3092\u660e\u793a\u7684\u306b\u6307\u5b9a\u3067\u304d\u307e\u3059\u3002\u30ef\u30a4\u30eb\u30c9\u30ab\u30fc\u30c9\u6307\u5b9a\u53ef\u3002<\/p>\n<p>config.keeps<\/p>\n<p>\u30e1\u30c8\u30ea\u30af\u30b9\u306e\u3046\u3061\u3001\u3053\u308c\u3060\u3051\u306f\u5fc5\u305a\u5bfe\u8c61\u3068\u3057\u3066\u6b8b\u3059\u3001\u3068\u3044\u3046\u3082\u306e\u3092\u660e\u793a\u7684\u306b\u6307\u5b9a\u3067\u304d\u307e\u3059\u3002drops \u3067\u6307\u5b9a\u3055\u308c\u3066\u3044\u3066\u3082\u3001keeps \u306e\u6761\u4ef6\u306b\u5408\u81f4\u3059\u308b\u3082\u306e\u306f\u30e1\u30c8\u30ea\u30af\u30b9\u5bfe\u8c61\u3068\u306a\u308b\u3088\u3046\u3067\u3059\u3002<\/p>\n<p>config.headers<\/p>\n<p>Prometheus Exporter \u3078\u306e\u30ea\u30af\u30a8\u30b9\u30c8\u6642\u306b\u9001\u4fe1\u3059\u308b HTTP Header \u306b\u3064\u3044\u3066\u6307\u5b9a\u3057\u307e\u3059\u3002<\/p>\n<h1>\u6625\u5b63\u6307\u6807<\/h1>\n<p>\u6211\u6253\u7b97\u771f\u5b9e\u5730\u51c6\u5907 Prometheus Exporter\uff0c\u5e76\u4e0e Datadog \u8fdb\u884c\u8fde\u63a5\u4ee5\u6536\u96c6\u6307\u6807\u3002<\/p>\n<p>\u5728\u8fd9\u91cc\uff0c\u6211\u4eec\u5c06\u5c1d\u8bd5\u4e3aJava\u5e94\u7528\u7a0b\u5e8f\u8bbe\u7f6ePrometheus Exporter\u3002\u4e3a\u4e86\u8bbe\u5b9aPrometheus Exporter\u7684\u7aef\u70b9\uff0c\u6211\u4eec\u5c06\u4f7f\u7528Spring Metrics\u3002<\/p>\n<p>\u5b9e\u9645\u4e0a\uff0cSpring Metrics \u5df2\u7ecf\u652f\u6301\u4e0e Datadog \u7684\u96c6\u6210\u529f\u80fd\u3002<br \/>\n\u7136\u800c\uff0cSpring Boot \u5e94\u7528\u7a0b\u5e8f\u672c\u8eab\u9700\u8981\u77e5\u9053 Datadog \u7684 API \u5bc6\u94a5\u7b49\u4fe1\u606f\uff0c\u5e76\u4e14\u8be5\u90e8\u5206\u7684\u4fe1\u606f\u7f13\u51b2\u662f\u901a\u8fc7\u81ea\u5b9a\u4e49\u5b9e\u73b0\u7684\uff0c\u6709\u70b9\u4e0d\u592a\u559c\u6b22\u8fd9\u4e00\u70b9\u3002\u56e0\u6b64\uff0c\u8fd9\u6b21\u6211\u4eec\u9009\u62e9\u4e86\u66f4\u7b80\u5355\u7684\u67b6\u6784\uff0c\u53ef\u4ee5\u5b9e\u73b0\u76d1\u63a7\u7684 Prometheus Exporter \u529f\u80fd\u3002<\/p>\n<h2>pom.xml -&gt; \u9879\u76ee\u5bf9\u8c61\u6a21\u578b\u6587\u4ef6<\/h2>\n<p>\u53ea\u9700\u6309\u7167\u4ee5\u4e0b\u65b9\u5f0f\uff0c\u5c06 Spring Metrics \u548c Prometheus \u63d0\u4f9b\u7684 simpleclient \u6dfb\u52a0\u8fdb\u53bb\u5373\u53ef\u751f\u6548\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nt\">&lt;dependency&gt;<\/span>\r\n  <span class=\"nt\">&lt;groupId&gt;<\/span>org.springframework.metrics<span class=\"nt\">&lt;\/groupId&gt;<\/span>\r\n  <span class=\"nt\">&lt;artifactId&gt;<\/span>spring-metrics<span class=\"nt\">&lt;\/artifactId&gt;<\/span>\r\n  <span class=\"nt\">&lt;version&gt;<\/span>${metrics.version}<span class=\"nt\">&lt;\/version&gt;<\/span>\r\n<span class=\"nt\">&lt;\/dependency&gt;<\/span>\r\n<span class=\"nt\">&lt;dependency&gt;<\/span>\r\n  <span class=\"nt\">&lt;group&gt;<\/span>io.prometheus<span class=\"nt\">&lt;\/group&gt;<\/span>\r\n  <span class=\"nt\">&lt;artifact&gt;<\/span>simpleclient_common<span class=\"nt\">&lt;\/artifact&gt;<\/span>\r\n  <span class=\"nt\">&lt;version&gt;<\/span>${prom.version}<span class=\"nt\">&lt;\/version&gt;<\/span>\r\n<span class=\"nt\">&lt;\/dependency&gt;<\/span>\r\n<\/code><\/pre>\n<h2>Java (Spring Boot \u5e94\u7528\u7a0b\u5e8f)<\/h2>\n<p>\u901a\u8fc7\u5728\u6ce8\u89e3\u4e0a\u8bbe\u7f6e @EnablePrometheusMetrics\uff0c\u5c06\u81ea\u52a8\u542f\u7528 Prometheus \u7684 Endpoint\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nd\">@SpringBootApplication<\/span>\r\n<span class=\"nd\">@EnablePrometheusMetrics<\/span>\r\n<span class=\"kd\">public<\/span> <span class=\"kd\">class<\/span> <span class=\"nc\">Bootstrap<\/span> <span class=\"o\">{<\/span>\r\n    <span class=\"kd\">public<\/span> <span class=\"kd\">static<\/span> <span class=\"kt\">void<\/span> <span class=\"nf\">main<\/span><span class=\"o\">(<\/span><span class=\"nc\">String<\/span><span class=\"o\">[]<\/span> <span class=\"n\">args<\/span><span class=\"o\">)<\/span> <span class=\"o\">{<\/span>\r\n        <span class=\"nc\">SpringApplication<\/span><span class=\"o\">.<\/span><span class=\"na\">run<\/span><span class=\"o\">(<\/span><span class=\"nc\">Bootstrap<\/span><span class=\"o\">.<\/span><span class=\"na\">class<\/span><span class=\"o\">,<\/span> <span class=\"n\">args<\/span><span class=\"o\">);<\/span>\r\n    <span class=\"o\">}<\/span>\r\n<span class=\"o\">}<\/span>\r\n<\/code><\/pre>\n<p>\u7531\u4e8eSpring Boot Actuator\u9884\u5148\u4f7f\u7528\u4e86\/metrics\u7aef\u70b9\uff0c\u56e0\u6b64\u6dfb\u52a0\u7684\u7aef\u70b9\u5c06\u88ab\u547d\u540d\u4e3a\/prometheus\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nv\">$ <\/span>curl http:\/\/localhost:8080\/prometheus\r\n<span class=\"c\"># HELP jvm_buffer_total_capacity <\/span>\r\n<span class=\"c\"># TYPE jvm_buffer_total_capacity gauge<\/span>\r\njvm_buffer_total_capacity<span class=\"o\">{<\/span><span class=\"nb\">id<\/span><span class=\"o\">=<\/span><span class=\"s2\">\"direct\"<\/span>,<span class=\"o\">}<\/span> 81920.0\r\njvm_buffer_total_capacity<span class=\"o\">{<\/span><span class=\"nb\">id<\/span><span class=\"o\">=<\/span><span class=\"s2\">\"mapped\"<\/span>,<span class=\"o\">}<\/span> 0.0\r\n<span class=\"c\"># HELP jvm_memory_committed <\/span>\r\n<span class=\"c\"># TYPE jvm_memory_committed gauge<\/span>\r\njvm_memory_committed<span class=\"o\">{<\/span><span class=\"nb\">id<\/span><span class=\"o\">=<\/span><span class=\"s2\">\"Par Survivor Space\"<\/span>,<span class=\"o\">}<\/span> 1.07347968E8\r\njvm_memory_committed<span class=\"o\">{<\/span><span class=\"nb\">id<\/span><span class=\"o\">=<\/span><span class=\"s2\">\"CMS Old Gen\"<\/span>,<span class=\"o\">}<\/span> 2.147483648E9\r\njvm_memory_committed<span class=\"o\">{<\/span><span class=\"nb\">id<\/span><span class=\"o\">=<\/span><span class=\"s2\">\"Code Cache\"<\/span>,<span class=\"o\">}<\/span> 7.2548352E7\r\njvm_memory_committed<span class=\"o\">{<\/span><span class=\"nb\">id<\/span><span class=\"o\">=<\/span><span class=\"s2\">\"Compressed Class Space\"<\/span>,<span class=\"o\">}<\/span> 1.1145216E7\r\njvm_memory_committed<span class=\"o\">{<\/span><span class=\"nb\">id<\/span><span class=\"o\">=<\/span><span class=\"s2\">\"Metaspace\"<\/span>,<span class=\"o\">}<\/span> 9.6305152E7\r\njvm_memory_committed<span class=\"o\">{<\/span><span class=\"nb\">id<\/span><span class=\"o\">=<\/span><span class=\"s2\">\"Par Eden Space\"<\/span>,<span class=\"o\">}<\/span> 8.59045888E8\r\n<span class=\"c\"># HELP http_server_requests <\/span>\r\n<span class=\"o\">(<\/span>snip.<span class=\"o\">)<\/span>\r\n<\/code><\/pre>\n<p>\u53e6\u5916\uff0c\u5728Spring Metrics\u4e2d\uff0c\u53ea\u9700\u8981\u5728Controller\u7c7b\u4e0a\u6dfb\u52a0\u4e00\u4e2a\u540d\u4e3a@Timed\u7684\u6ce8\u89e3\uff0c\u5c31\u53ef\u4ee5\u83b7\u53d6\u4e0e\u8be5Controller\u76f8\u5173\u7684\u7edf\u8ba1\u4fe1\u606f\uff08\u4f8b\u5982\uff0c\u6bcf\u4e2a\u72b6\u6001\u7801\u7684\u8c03\u7528\u6b21\u6570\u7b49\uff09\u3002<\/p>\n<p>\u5173\u4e8e\u5176\u4ed6\u7684\u6269\u5c55\u6307\u6807\uff0c\u8bf7\u53c2\u8003 Spring Metrics \u7684\u6587\u6863\u4ee5\u83b7\u53d6\u66f4\u8be6\u7ec6\u4fe1\u606f\u3002<\/p>\n<h1>Datadog\u4e0ePrometheus\u51fa\u53e3\u8f6c\u6362\u5668<\/h1>\n<p>\u5b9e\u9645\u8fdb\u884c\u534f\u4f5c\u540e\uff0c\u60a8\u53ef\u4ee5\u786e\u8ba4\u5982\u4e0b\u7684\u611f\u89c9\uff1a\u53ef\u4ee5\u5c06Prometheus Exporter\u7684\u503c\u5bfc\u5165Datadog\u3002<\/p>\n<p>\u5bf9\u4e8e Prometheus Exporter \u4e2d\u7684 jvm_memory_committed{id=&#8221;Par Eden Space&#8221;} \u7b49\u683c\u5f0f\uff0c{} \u5185\u7684\u503c\u4ee5 Datadog \u7684\u6807\u7b7e\u5f62\u5f0f\u7ffb\u8bd1\uff0c\u5728 Datadog \u4e0a\u53ef\u7528\u4e8e\u7f29\u5c0f\u641c\u7d22\u8303\u56f4\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d518937434c4406cca450\/35-0.png\" alt=\"image.png\" \/><\/div>\n<h1>\u6362\u8a00\u4e4b<\/h1>\n<p>\u666e\u7f57\u7c73\u4fee\u65af\u5bfc\u51fa\u5668\u63d0\u4f9b\u4e86\u8bb8\u591a\u529f\u80fd\u975e\u5e38\u4e30\u5bcc\u4e14\u65b9\u4fbf\u4f7f\u7528\uff0c\u56e0\u6b64\u53ef\u4ee5\u5f88\u65b9\u4fbf\u5730\u7528\u4e8e\u76d1\u63a7\u4f7f\u7528Datadog\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u52a8\u529b \u7531\u4e8e Prometheus \u6700\u8fd1\u8fc5\u901f\u666e\u53ca\uff0c\u6210\u4e3a\u4e8b\u5b9e\u6807\u51c6\uff0c\u800c\u4e14\u51fa\u73b0\u4e86\u8bb8\u591a\u4e0d\u540c\u7c7b\u578b\u7684 Prometheus  [&hellip;]<\/p>\n","protected":false},"author":11,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-43270","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>\u4f7f\u7528Datadog\u76d1\u89c6Prometheus Exporter\u7684\u60c5\u51b5 - 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\" 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