{"id":208195,"date":"2025-07-08T13:25:52","date_gmt":"2025-07-08T05:25:52","guid":{"rendered":"https:\/\/server.hk\/cnblog\/208195\/"},"modified":"2025-07-08T13:25:52","modified_gmt":"2025-07-08T05:25:52","slug":"%e5%a6%82%e4%bd%95%e5%90%91-prometheus-gauge-%e6%b7%bb%e5%8a%a0%e6%9b%b4%e5%a4%9a%e4%bf%a1%e6%81%af%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/208195\/","title":{"rendered":"\u5982\u4f55\u5411 Prometheus Gauge \u6dfb\u52a0\u66f4\u591a\u4fe1\u606f\uff1f"},"content":{"rendered":"

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

\u5f53\u524d\u4f4d\u7f6e\uff1a ><\/span> ><\/span> ><\/span> ><\/span> \u5982\u4f55\u5411 Prometheus Gauge \u6dfb\u52a0\u66f4\u591a\u4fe1\u606f\uff1f<\/span><\/p>\n

\u6765\u6e90\uff1astackoverflow<\/span>
\n2024-04-30 09:45:38<\/span>
\n<\/i>0\u6d4f\u89c8<\/span>
\n<\/i>\u6536\u85cf<\/span> <\/p>\n

\u672c\u7bc7\u6587\u7ae0\u4e3b\u8981\u662f\u7ed3\u5408\u6211\u4e4b\u524d\u9762\u8bd5\u7684\u5404\u79cd\u7ecf\u5386\u548c\u5b9e\u6218\u5f00\u53d1\u4e2d\u9047\u5230\u7684\u95ee\u9898\u89e3\u51b3\u7ecf\u9a8c\u6574\u7406\u7684\uff0c\u5e0c\u671b\u8fd9\u7bc7\u300a\u5982\u4f55\u5411 Prometheus Gauge \u6dfb\u52a0\u66f4\u591a\u4fe1\u606f\uff1f\u300b\u5bf9\u4f60\u6709\u5f88\u5927\u5e2e\u52a9\uff01\u6b22\u8fce\u6536\u85cf\uff0c\u5206\u4eab\u7ed9\u66f4\u591a\u7684\u9700\u8981\u7684\u670b\u53cb\u5b66\u4e60~<\/p>\n

\u95ee\u9898\u5185\u5bb9
\n <\/p>\n

\u6211\u60f3\u4f7f\u7528 prometheus \u76d1\u89c6\u5728\u4e0d\u540c\u547d\u540d\u7a7a\u95f4\u7684 pod \u4e2d\u8fd0\u884c\u7684\u4e0d\u540c\u5b50\u8fdb\u7a0b\u7684\u7edf\u8ba1\u4fe1\u606f\uff0c\u5e76\u4e14\u6211\u6b63\u5728\u5bfb\u627e\u4e00\u79cd\u6b63\u786e\u516c\u5f00\u6b64\u4fe1\u606f\u7684\u65b9\u6cd5\u3002<\/p>\n

\u6211\u7684\u96c6\u7fa4\u7c7b\u4f3c\u4e8e\u4e0b\u9762\uff1a<\/p>\n

cluster\n\u251c\u2500\u2500 ns1\n\u2502   \u251c\u2500\u2500 ns1-pod1\n\u2502   \u2502   \u251c\u2500\u2500 proc-p1-1\n\u2502   \u2502   \u2514\u2500\u2500 proc-p1-2\n\u2502   \u2514\u2500\u2500 ns1-pod2\n\u2502       \u251c\u2500\u2500 proc-p2-1\n\u2502       \u2514\u2500\u2500 proc-p2-2\n\u2514\u2500\u2500 ns2\n    \u251c\u2500\u2500 ns2-pod1\n    \u2502   \u251c\u2500\u2500 proc-p1-1\n    \u2502   \u2514\u2500\u2500 proc-p1-2\n    \u2514\u2500\u2500 ns2-pod2\n        \u251c\u2500\u2500 proc-p2-1\n        \u2514\u2500\u2500 proc-p2-2<\/pre>\n
\u6bcf\u4e2a pod \u90fd\u4f7f\u7528\u7279\u5b9a\u7684\u8def\u7531\u952e\u5c06\u5176\u8fdb\u7a0b\u7684\u7edf\u8ba1\u4fe1\u606f\u53d1\u5e03\u5230 rabbitmq\uff0c\u6211\u53ef\u4ee5\u4ece\u90a3\u91cc\u8bfb\u53d6\u7edf\u8ba1\u4fe1\u606f\u3002<\/p>\n
\u6211\u7f16\u5199\u4e86\u4e00\u4e2a\u5bfc\u51fa\u5668\uff0c\u5b83\u53ef\u4ee5\u8fde\u63a5\u5230\u4e00\u4e2a\u547d\u540d\u7a7a\u95f4\u4e2d\u7684 rmq\uff0c\u8bfb\u53d6\u7edf\u8ba1\u4fe1\u606f\u5e76\u5c06\u5176\u516c\u5f00\u5728 \/metrics<\/code> \u4e0a\uff0c\u4ee5\u4fbf prometheus \u53ef\u4ee5\u8bfb\u53d6\u5b83\u3002\u6211\u7684\u51fa\u53e3\u5546\u7684\u793a\u4f8b\uff1a<\/p>\n
\/\/ prometheus go client\nvar MemoryValue = prometheus.NewGauge(\n    prometheus.GaugeOpts{\n        Namespace: namespace,\n        Name:      \"MemoryValue\",\n        Help:      \"MemoryValue\",\n    })\n\nprometheus.MustRegister(MemoryValue)\nMemoryValue.Set(opst.Memory.Value) \/\/ \"opst.Memory.Value\" is what I get from RMQ\n<\/pre>\n
\u95ee\u9898\u662f\u6211\u4e0d\u77e5\u9053\u5982\u4f55\u6807\u8bb0 pod \u4e2d\u6bcf\u4e2a\u8fdb\u7a0b\u7684\u6307\u6807\u3002\u6211\u7684\u610f\u601d\u662f\uff0c\u4f8b\u5982\uff0c\u76ee\u524d\u6211\u5728 ns1 \u4e2d\u6709 4 \u4e2a\u8fdb\u7a0b\uff0c\u4f46\u6211\u5c06\u6240\u6709\u8fdb\u7a0b\u90fd\u66b4\u9732\u5728 memoryvalue<\/code> \u4e0a\u3002\u6211\u9700\u8981\u4e00\u79cd\u7c7b\u4f3c\u4e8e namespace<\/code> \u7684\u65b9\u6cd5\u6765\u901a\u8fc7 pod \u548c\u8fdb\u7a0b\u540d\u79f0\u6765\u6807\u8bb0\u6bcf\u4e2a\u8fdb\u7a0b\uff08\u6211\u6709\u8fd9\u4e9b\u4fe1\u606f\uff0c\u4f46\u5982\u4f55\u5c06\u5b83\u4eec\u6dfb\u52a0\u5230 prometheus \u4e2d\uff1f\uff09\u3002<\/p>\n
 <\/p>\n
\u89e3\u51b3\u65b9\u6848<\/h2>\n
 <\/p>\n
\u6b63\u5982@peter\u6b63\u786e\u63d0\u5230\u7684\uff0c\u89e3\u51b3\u65b9\u6848\u662f\u4f7f\u7528 gaugevec<\/code>\uff1a<\/p>\n
var CpuPercentValue = prometheus.NewGaugeVec(\n    prometheus.GaugeOpts{\n        Namespace: \"MyExporter\",\n        Name:      \"CpuPercentValue\",\n        Help:      \"CpuPercentValue\",\n    },\n    []string{\n        \"namespace\",\n        \"proc_qID\",\n        \"opID\",\n    },\n)\n\nCpuPercentValue.With(prometheus.Labels{\"namespace\": namespace, \"proc_qID\": procid, \"opID\": opid}).Set(opst.CpuPercent.Value)\n\n<\/pre>\n
\u4ee5\u4e0a\u5c31\u662f\u300a\u5982\u4f55\u5411 Prometheus Gauge \u6dfb\u52a0\u66f4\u591a\u4fe1\u606f\uff1f\u300b\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u5173\u4e8e\u7684\u8d44\u6599\u8bf7\u5173\u6ce8\u516c\u4f17\u53f7\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
\u5f53\u524d\u4f4d\u7f6e\uff1a > > ...<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4925],"tags":[],"class_list":["post-208195","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/208195","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=208195"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/208195\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=208195"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=208195"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=208195"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}