{"id":50335,"date":"2023-05-03T04:02:23","date_gmt":"2024-01-31T04:18:08","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%9c%a8kubernetes%e7%8e%af%e5%a2%83%e4%b8%ad%e5%af%b9go%e5%ba%94%e7%94%a8%e7%a8%8b%e5%ba%8f%e7%9a%84%e8%bf%bd%e8%b8%aa\/"},"modified":"2024-04-30T02:23:18","modified_gmt":"2024-04-29T18:23:18","slug":"%e5%9c%a8kubernetes%e7%8e%af%e5%a2%83%e4%b8%ad%e5%af%b9go%e5%ba%94%e7%94%a8%e7%a8%8b%e5%ba%8f%e7%9a%84%e8%bf%bd%e8%b8%aa","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%9c%a8kubernetes%e7%8e%af%e5%a2%83%e4%b8%ad%e5%af%b9go%e5%ba%94%e7%94%a8%e7%a8%8b%e5%ba%8f%e7%9a%84%e8%bf%bd%e8%b8%aa\/","title":{"rendered":"\u5728Kubernetes\u73af\u5883\u4e2d\u5bf9Go\u5e94\u7528\u7a0b\u5e8f\u7684\u8ffd\u8e2a"},"content":{"rendered":"<h2>\u9996\u5148<\/h2>\n<p>\u6700\u8fd1\u6211\u7ecf\u5e38\u5728Kubernetes\u4e0a\u90e8\u7f72\u81ea\u5df1\u5f00\u53d1\u7684\u5e94\u7528\u7a0b\u5e8f\uff0c\u4f46\u662f\u5f53\u6211\u60f3\u8981\u8c03\u67e5\u548c\u89e3\u51b3\u6027\u80fd\u74f6\u9888\u95ee\u9898\u65f6\uff0c\u53d1\u73b0\u65e0\u6cd5\u8f7b\u677e\u5730\u901a\u8fc7SSH\u767b\u5f55\u5230\u670d\u52a1\u5668\u5e76\u542f\u52a8\u5206\u6790\u5668\u6765\u5b9a\u4f4d\u6162\u901f\u5904\u7406\u7684\u8fc7\u7a0b\uff0c\u8ba9\u6211\u611f\u5230\u56f0\u6270\u3002<\/p>\n<p>\u6211\u8ba4\u4e3a\uff0c\u4e0e\u5728\u865a\u62df\u673a\u4e0a\u8fdb\u884c\u5e94\u7528\u5f00\u53d1\u65f6\u76f8\u6bd4\uff0c\u7531\u4e8e\u670d\u52a1\u7ec4\u4ef6\u7684\u7ec6\u5316\u7a0b\u5ea6\u66f4\u9ad8\uff0c\u6240\u4ee5\u4f7f\u7528\u4ee5\u524d\u7684\u65b9\u6cd5\u6765\u8c03\u67e5\u74f6\u9888\u53ef\u80fd\u4f1a\u82b1\u8d39\u66f4\u591a\u65f6\u95f4\u3002<\/p>\n<p>\u7531\u4e8e\u6709\u4e00\u4e9b\u5206\u5e03\u5f0f\u8ddf\u8e2a\u7684\u5f00\u6e90\u8f6f\u4ef6\u53ef\u4ee5\u4e86\u89e3\u7ec6\u5206\u7684\u670d\u52a1\u884c\u4e3a\u4ee5\u53ca\u8fdb\u884c\u6027\u80fd\u5206\u6790\uff0c\u6240\u4ee5\u6211\u5e0c\u671b\u5229\u7528\u8fd9\u4e9b\u8f6f\u4ef6\u6765\u5206\u6790\u90e8\u7f72\u5728Kubernetes\u4e0a\u7684Go\u5e94\u7528\u7a0b\u5e8f\u3002<\/p>\n<h2>\u73af\u5883<\/h2>\n<p>\u5e94\u7528\u7a0b\u5e8f<br \/>\nhttps:\/\/github.com\/amber-lamp\/opencensus-sample<\/p>\n<p>\u4f7f\u7528Docker for Mac\u7684Kubernetes\u96c6\u6210\u529f\u80fd\u642d\u5efa\u4e86\u672c\u5730\u7684Kubernetes\u96c6\u7fa4\u3002<\/p>\n<p>\u672c\u6b21\u6211\u4eec\u5c06\u4f7f\u7528\u7531CNCF\u6258\u7ba1\u7684Jaeger\u8fdb\u884c\u8ffd\u8e2a\u5de5\u5177\u3002<\/p>\n<h2>Jaeger\u662f\u4ec0\u4e48<\/h2>\n<h3>\u6982\u8ff0<\/h3>\n<p>\u8fd9\u662f\u5728Uber Technologies\u5f00\u53d1\u7684\u5f00\u6e90\u5206\u5e03\u5f0f\u8ddf\u8e2a\u7cfb\u7edf\uff0c\u53d7\u5230Dapper\u548cOpenZipkin\u7684\u5f71\u54cd\u3002\u5b83\u7528\u4e8e\u76d1\u63a7\u548c\u6545\u969c\u6392\u9664\u5fae\u670d\u52a1\u3002\u5b83\u4f3c\u4e4e\u53ef\u4ee5\u5b9e\u73b0\u4ee5\u4e0b\u5177\u4f53\u529f\u80fd\uff1a<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u5206\u6563\u30b3\u30f3\u30c6\u30ad\u30b9\u30c8\u306e\u4f1d\u64ad<\/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\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u306e\u76e3\u8996<\/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\">\u6839\u672c\u539f\u56e0\u306e\u5206\u6790<\/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\">\u30b5\u30fc\u30d3\u30b9\u4f9d\u5b58\u95a2\u4fc2\u306e\u5206\u6790<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\/\u30ec\u30a4\u30c6\u30f3\u30b7\u306e\u6700\u9069\u5316<\/ul>\n<p>\u5728OpenTracing\u9879\u76ee\u4e2d\uff0c\u6709\u4e00\u5957\u6807\u51c6\u89c4\u8303\uff0c\u5e76\u4e14\u4e3a\u6bcf\u79cd\u8bed\u8a00\u63d0\u4f9b\u4e86\u76f8\u5e94\u7684\u5ba2\u6237\u7aef\u5e93\u4ee5\u9075\u5faa\u8be5\u89c4\u8303\u3002\u5bf9\u4e8eGo\u8bed\u8a00\u6765\u8bf4\uff0c\u53ef\u4ee5\u4f7f\u7528\u540d\u4e3ajaeger-client-go\u7684\u5e93\u3002<\/p>\n<p>\u53e6\u4e00\u65b9\u9762\uff0c\u4e5f\u5b58\u5728\u540d\u4e3aOpenCensus\u7684\u201c\u7528\u4e8e\u83b7\u53d6\u670d\u52a1\u6307\u6807\u548c\u5206\u5e03\u5f0f\u8ffd\u8e2a\u7684\u5e93\u96c6\u5408\u201d\uff0cOpenCensus\u4e5f\u6709\u7528\u4e8e\u5c06\u8ffd\u8e2a\u4fe1\u606f\u53d1\u9001\u5230Jaeger\u7684\u5bfc\u51fa\u5668\u3002<\/p>\n<p>\u8fd9\u4e24\u4e2a\u9879\u76ee\u4f3c\u4e4e\u4f1a\u8fdb\u884c\u96c6\u6210\uff0c\u5e76\u4e14\u9664\u4e86Jaeger\u4e4b\u5916\uff0c\u8fd8\u51c6\u5907\u4e86\u5176\u4ed6\u540e\u7aef\uff08\u4f8b\u5982Datadog\u6216Stackdriver\u7b49\uff09\u7684\u5bfc\u51fa\u5668\uff0c\u56e0\u6b64\u53d1\u9001\u6216\u5207\u6362\u5230\u591a\u4e2a\u540e\u7aef\u4f3c\u4e4e\u4e5f\u5f88\u7b80\u5355\u3002\u6240\u4ee5\u6211\u60f3\u8bd5\u8bd5\u4f7f\u7528OpenCensus\u7684Jaeger\u5bfc\u51fa\u5668\u5c06\u6570\u636e\u53d1\u9001\u5230Jaeger\u3002<\/p>\n<h3>\u5efa\u7b51\u8bbe\u8ba1<\/h3>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d90c5913a08637a6dd298\/15-0.png\" alt=\"\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8 2019-06-01 20.45.49.png\" \/><\/div>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d90c5913a08637a6dd298\/16-0.png\" alt=\"\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8 2019-06-02 15.01.25.png\" \/><\/div>\n<p>\u6211\u5011\u73fe\u5728\u4f86\u770b\u4e00\u4e0b\u67b6\u69cb\u4e2d\u7684\u6bcf\u500b\u7d44\u4ef6\u3002<\/p>\n<h4>\u6770\u683c\u7279\u52e4\u4eba\u5458<\/h4>\n<p>\u8fd9\u662f\u4e00\u4e2a\u7528\u4e8e\u5b9a\u671f\u5c06Span\u4fe1\u606f\u53d1\u9001\u5230jaeger-collector\u7684\u5b88\u62a4\u7a0b\u5e8f\u3002\u5b83\u88ab\u90e8\u7f72\u5728\u6536\u96c6\u6240\u6709\u4e3b\u673a\u4fe1\u606f\u7684\u5730\u65b9\uff0c\u5e76\u5c06\u53d1\u9001\u4fe1\u606f\u81f3\u76ee\u6807jaeger-collector\u7684\u90e8\u5206\u8fdb\u884c\u4e86\u62bd\u8c61\u5316\u3002<\/p>\n<h4>\u949f\u697c\u6536\u85cf\u5bb6<\/h4>\n<p>\u8fd9\u662f\u4e00\u4e2a\u7528\u4e8e\u5bf9\u6765\u81eajaeger-agent\u53d1\u9001\u7684\u4fe1\u606f\u8fdb\u884c\u7d22\u5f15\u7b49\u8f6c\u6362\u5904\u7406\u5e76\u4fdd\u5b58\u5230\u6570\u636e\u5b58\u50a8\u7684\u7ec4\u4ef6\u3002<\/p>\n<h4>\u6377\u683c\u67e5\u8be2<\/h4>\n<p>\u8fd9\u662f\u4e00\u4e2a\u7ec4\u4ef6\uff0c\u7528\u4e8e\u83b7\u53d6\u4fdd\u5b58\u5728\u6570\u636e\u5b58\u50a8\u4e2d\u7684Trace\u4fe1\u606f\u5e76\u5728\u7528\u6237\u754c\u9762\u4e0a\u663e\u793a\u3002<\/p>\n<h2>\u8bd5\u8bd5\u770b<\/h2>\n<h3>\u5efa\u7acbJaeger<\/h3>\n<p>\u6211\u60f3\u8981\u5b9e\u9645\u642d\u5efa\u73af\u5883\u3002<br \/>\n\u8fd9\u6b21\u6211\u4eec\u5c06\u4f7f\u7528\u672c\u5730 Kubernetes \u96c6\u7fa4\uff0c\u56e0\u6b64\u6211\u4eec\u5c06\u4f7f\u7528\u540d\u4e3a jaeger-kubernetes \u7684 Kubernetes \u6e05\u5355\u6587\u4ef6\u6765\u5728 Kubernetes \u4e0a\u642d\u5efa Jaeger\u3002<\/p>\n<p>\u9664\u4e86\u4e0a\u8ff0\u7684\u65b9\u6cd5\uff0c\u8fd8\u63d0\u4f9b\u4e86Kubernetes Operator\uff0c\u56e0\u6b64\u5728Kubernetes\u4e0a\u642d\u5efa\u73af\u5883\u7684\u96be\u5ea6\u8f83\u4f4e\u3002<\/p>\n<p>\u7531\u4e8eJaeger\u96c6\u7ebf\u5668\uff08Jaeger-collector\uff09\u548cJaeger\u67e5\u8be2\uff08Jaeger-query\uff09\u9700\u8981\u66f4\u65b0\/\u67e5\u8be2\u6570\u636e\u5b58\u50a8\uff0c\u56e0\u6b64\u5728Kubernetes\u7684\u6e05\u5355\u6587\u4ef6\u4e2d\u63d0\u4f9b\u4e86\u7528\u4e8eCassandra\u548cElasticsearch\u7684\u6e05\u5355\u6587\u4ef6\u3002<\/p>\n<p>\u5361\u6851\u5fb7\u62c9\u4f7f\u7528<\/p>\n<pre class=\"post-pre\"><code>$ kubectl create -f https:\/\/raw.githubusercontent.com\/jaegertracing\/jaeger-kubernetes\/master\/production\/configmap.yml\r\n$ kubectl create -f https:\/\/raw.githubusercontent.com\/jaegertracing\/jaeger-kubernetes\/master\/production\/cassandra.yml\r\n<\/code><\/pre>\n<p>Elasticsearch\u7684\u4f7f\u7528<\/p>\n<pre class=\"post-pre\"><code>$ kubectl create -f https:\/\/raw.githubusercontent.com\/jaegertracing\/jaeger-kubernetes\/master\/production-elasticsearch\/configmap.yml\r\n$ kubectl create -f https:\/\/raw.githubusercontent.com\/jaegertracing\/jaeger-kubernetes\/master\/production-elasticsearch\/elasticsearch.yml\r\n<\/code><\/pre>\n<p>\u6211\u4eec\u8fd8\u63d0\u4f9b\u4e86\u4e00\u4e2a\u540d\u4e3aall-in-one-template\u7684\u6e05\u5355\u6587\u4ef6\uff0c\u7528\u4e8e\u5c06\u6570\u636e\u4fdd\u5b58\u5728\u5185\u5b58\u4e2d\uff0c\u4f5c\u4e3a\u6d4b\u8bd5\u548c\u5f00\u53d1\u7684\u7528\u9014\u3002\u8fd9\u6b21\u6211\u60f3\u5c1d\u8bd5\u4f7f\u7528\u5b83\u4f5c\u4e3a\u9a8c\u8bc1\u4e4b\u7528\u3002<\/p>\n<pre class=\"post-pre\"><code>$ kubectl create -f https:\/\/raw.githubusercontent.com\/jaegertracing\/jaeger-kubernetes\/master\/all-in-one\/jaeger-all-in-one-template.yml\r\n<\/code><\/pre>\n<p>\u5982\u679c\u5728Kubernetes\u96c6\u7fa4\u4e0a\u90e8\u7f72\u4e0a\u8ff0\u7684all-in-one\u6a21\u677f\uff0c\u5c06\u4f1a\u521b\u5efa\u5982\u4e0b\u8d44\u6e90\u3002<\/p>\n<pre class=\"post-pre\"><code>deployment.extensions\/jaeger created\r\nservice\/jaeger-query created\r\nservice\/jaeger-collector created\r\nservice\/jaeger-agent created\r\nservice\/zipkin created\r\n<\/code><\/pre>\n<p>\u6211\u5c06\u68c0\u67e5\u57fa\u4e8eall-in-one-template\u6e05\u5355\u521b\u5efa\u7684Kubernetes Service\u3002<br \/>\n\u6709\u4e00\u4e2a\u540d\u4e3ajaeger-query\u7684Service\uff0c\u5b83\u7684TYPE\u4e3aLoadBalancer\uff0c\u56e0\u6b64\u6211\u5c06\u5c1d\u8bd5\u5728\u6d4f\u89c8\u5668\u4e2d\u8bbf\u95ee\u5b83\u3002<\/p>\n<pre class=\"post-pre\"><code>$ kubectl get service\r\nNAME               TYPE           CLUSTER-IP    EXTERNAL-IP   PORT(S)                               AGE\r\njaeger-agent       ClusterIP      None          &lt;none&gt;        5775\/UDP,6831\/UDP,6832\/UDP,5778\/TCP   32m\r\njaeger-collector   ClusterIP      10.100.80.4   &lt;none&gt;        14267\/TCP,14268\/TCP,9411\/TCP          32m\r\njaeger-query       LoadBalancer   10.99.72.71   localhost     80:30762\/TCP                          32m\r\nzipkin             ClusterIP      None          &lt;none&gt;        9411\/TCP                              32m\r\n<\/code><\/pre>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d90c5913a08637a6dd298\/39-0.png\" alt=\"\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8 2019-05-14 0.40.37.png\" \/><\/div>\n<p>Jaeger\u4ee3\u7406\u3001Jaeger\u6536\u96c6\u5668\u3001Jaeger\u67e5\u8be2\u3001UI\u7b49\u5404\u4e2a\u7ec4\u4ef6\u5728Kubernetes\u96c6\u7fa4\u4e0a\u7684\u914d\u7f6e\u662f\u6240\u6709\u7ec4\u4ef6\u90fd\u88ab\u7edf\u4e00\u653e\u5728\u4e00\u4e2a\u90e8\u7f72\u4e2d\u3002<\/p>\n<pre class=\"post-pre\"><code>$ kubectl get deployment\r\nNAME     DESIRED   CURRENT   UP-TO-DATE   AVAILABLE   AGE\r\njaeger   1         1         1            1           10m\r\n<\/code><\/pre>\n<p>\u8bf7\u53c2\u8003\u4ee5\u4e0b\u94fe\u63a5\uff1ahttps:\/\/www.jaegertracing.io\/docs\/1.8\/getting-started\/#all-in-one<\/p>\n<p>\u53ea\u9700\u5c06all-in-one-template\u90e8\u7f72\u5230Kubernetes\u96c6\u7fa4\u4e0a\uff0c\u5c31\u51c6\u5907\u597d\u4e86\uff0c\u7136\u540e\u53ea\u9700\u5c06\u5e94\u7528\u7a0b\u5e8f\u7684\u8ffd\u8e2a\u4fe1\u606f\u53d1\u9001\u5230jaeger-agent\uff0c\u5c31\u53ef\u4ee5\u5728\u4e0a\u8ff0UI\u4e0a\u8fdb\u884c\u786e\u8ba4\u4e86\u3002<\/p>\n<h3>\u5e94\u7528\u7a0b\u5e8f\u7684\u8bbe\u7f6e<\/h3>\n<p>\u8a2d\u5b9a\u5c07\u53c3\u8003opencensus-go-exporter-jaeger\u7684\u7bc4\u4f8b\u9032\u884c\u3002\u6211\u5c07\u6574\u500b\u539f\u59cb\u78bc\u63a8\u9001\u5230GitHub\uff0c\u8acb\u96a8\u6642\u53c3\u8003\u4e0b\u9762\u7684\u5b58\u5132\u5eab\u3002<br \/>\nhttps:\/\/github.com\/amber-lamp\/opencensus-sample<\/p>\n<p>\u8bf7\u5148\u5bfc\u5165\u4ee5\u4e0b\u4e24\u4e2a\u5305\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">import<\/span> <span class=\"p\">(<\/span>\r\n    <span class=\"err\">~~<\/span><span class=\"n\">\u7701\u7565<\/span><span class=\"err\">~~<\/span>\r\n    <span class=\"s\">\"contrib.go.opencensus.io\/exporter\/jaeger\"<\/span>\r\n    <span class=\"s\">\"go.opencensus.io\/trace\"<\/span>\r\n<span class=\"p\">)<\/span>\r\n<\/code><\/pre>\n<p>\u5728main\u51fd\u6570\u4e2d\uff0c\u6211\u4eec\u5bf9exporter\u548csampler\u8fdb\u884c\u4e86\u914d\u7f6e\u3002<br \/>\n\u6211\u4eec\u5728jaeger.Options\u7684AgentEndpoint\u4e2d\u6307\u5b9a\u4e86jaeger-agent\u7684Kubernetes\u670d\u52a1\u540d\u79f0\u548c\u7aef\u53e3\u3002<br \/>\n\u6b64\u5916\uff0c\u5728trace.ApplyConfig\u90e8\u5206\uff0c\u6211\u4eec\u5c06DefaultSampler\u8bbe\u7f6e\u4e3atrace.AlwaysSample()\u3002\u4e3a\u4e86\u8fdb\u884c\u9a8c\u8bc1\uff0c\u6211\u4eec\u5c06\u6240\u6709\u8bbf\u95ee\u4fe1\u606f\u90fd\u4f5c\u4e3a\u6837\u672c\u6536\u96c6\uff0c\u5e76\u5728UI\u4e0a\u663e\u793a\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">func<\/span> <span class=\"n\">main<\/span><span class=\"p\">()<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"n\">exporter<\/span><span class=\"p\">,<\/span> <span class=\"n\">err<\/span> <span class=\"o\">:=<\/span> <span class=\"n\">jaeger<\/span><span class=\"o\">.<\/span><span class=\"n\">NewExporter<\/span><span class=\"p\">(<\/span><span class=\"n\">jaeger<\/span><span class=\"o\">.<\/span><span class=\"n\">Options<\/span><span class=\"p\">{<\/span>\r\n        <span class=\"n\">AgentEndpoint<\/span><span class=\"o\">:<\/span> <span class=\"s\">\"jaeger-agent:6831\"<\/span><span class=\"p\">,<\/span>\r\n        <span class=\"n\">Process<\/span><span class=\"o\">:<\/span> <span class=\"n\">jaeger<\/span><span class=\"o\">.<\/span><span class=\"n\">Process<\/span><span class=\"p\">{<\/span>\r\n            <span class=\"n\">ServiceName<\/span><span class=\"o\">:<\/span> <span class=\"s\">\"demo\"<\/span><span class=\"p\">,<\/span>\r\n        <span class=\"p\">},<\/span>\r\n    <span class=\"p\">})<\/span>\r\n    <span class=\"k\">if<\/span> <span class=\"n\">err<\/span> <span class=\"o\">!=<\/span> <span class=\"no\">nil<\/span> <span class=\"p\">{<\/span>\r\n        <span class=\"n\">log<\/span><span class=\"o\">.<\/span><span class=\"n\">Fatal<\/span><span class=\"p\">(<\/span><span class=\"n\">err<\/span><span class=\"p\">)<\/span>\r\n    <span class=\"p\">}<\/span>\r\n    <span class=\"k\">defer<\/span> <span class=\"n\">exporter<\/span><span class=\"o\">.<\/span><span class=\"n\">Flush<\/span><span class=\"p\">()<\/span>\r\n\r\n    <span class=\"n\">trace<\/span><span class=\"o\">.<\/span><span class=\"n\">RegisterExporter<\/span><span class=\"p\">(<\/span><span class=\"n\">exporter<\/span><span class=\"p\">)<\/span>\r\n    <span class=\"n\">trace<\/span><span class=\"o\">.<\/span><span class=\"n\">ApplyConfig<\/span><span class=\"p\">(<\/span><span class=\"n\">trace<\/span><span class=\"o\">.<\/span><span class=\"n\">Config<\/span><span class=\"p\">{<\/span><span class=\"n\">DefaultSampler<\/span><span class=\"o\">:<\/span> <span class=\"n\">trace<\/span><span class=\"o\">.<\/span><span class=\"n\">AlwaysSample<\/span><span class=\"p\">()})<\/span>\r\n\r\n    <span class=\"n\">log<\/span><span class=\"o\">.<\/span><span class=\"n\">Println<\/span><span class=\"p\">(<\/span><span class=\"s\">\"Start demo server...\"<\/span><span class=\"p\">)<\/span>\r\n    <span class=\"n\">http<\/span><span class=\"o\">.<\/span><span class=\"n\">HandleFunc<\/span><span class=\"p\">(<\/span><span class=\"s\">\"\/\"<\/span><span class=\"p\">,<\/span> <span class=\"n\">handler<\/span><span class=\"p\">)<\/span>\r\n    <span class=\"n\">log<\/span><span class=\"o\">.<\/span><span class=\"n\">Fatal<\/span><span class=\"p\">(<\/span><span class=\"n\">http<\/span><span class=\"o\">.<\/span><span class=\"n\">ListenAndServe<\/span><span class=\"p\">(<\/span><span class=\"s\">\":8080\"<\/span><span class=\"p\">,<\/span> <span class=\"no\">nil<\/span><span class=\"p\">))<\/span>\r\n\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<p>\u5728handler\u51fd\u6570\u4e2d\u5f00\u59cb\u4e86\u4e00\u4e2aSpan\u3002\u6211\u5c06context\u4f5c\u4e3a\u7b2c\u4e00\u4e2a\u53c2\u6570\uff0c\u5c06\u7528\u4e8e\u8bc6\u522bSpan\u7684\u5b57\u7b26\u4f5c\u4e3a\u7b2c\u4e8c\u4e2a\u53c2\u6570\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">func<\/span> <span class=\"n\">handler<\/span><span class=\"p\">(<\/span><span class=\"n\">w<\/span> <span class=\"n\">http<\/span><span class=\"o\">.<\/span><span class=\"n\">ResponseWriter<\/span><span class=\"p\">,<\/span> <span class=\"n\">r<\/span> <span class=\"o\">*<\/span><span class=\"n\">http<\/span><span class=\"o\">.<\/span><span class=\"n\">Request<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"n\">ctx<\/span><span class=\"p\">,<\/span> <span class=\"n\">span<\/span> <span class=\"o\">:=<\/span> <span class=\"n\">trace<\/span><span class=\"o\">.<\/span><span class=\"n\">StartSpan<\/span><span class=\"p\">(<\/span><span class=\"n\">context<\/span><span class=\"o\">.<\/span><span class=\"n\">Background<\/span><span class=\"p\">(),<\/span> <span class=\"s\">\"\/handler\"<\/span><span class=\"p\">)<\/span>\r\n    <span class=\"k\">defer<\/span> <span class=\"n\">span<\/span><span class=\"o\">.<\/span><span class=\"n\">End<\/span><span class=\"p\">()<\/span>\r\n\r\n    <span class=\"n\">omikuji<\/span> <span class=\"o\">:=<\/span> <span class=\"n\">omikuji<\/span><span class=\"p\">(<\/span><span class=\"n\">ctx<\/span><span class=\"p\">)<\/span>\r\n    <span class=\"n\">fmt<\/span><span class=\"o\">.<\/span><span class=\"n\">Fprintf<\/span><span class=\"p\">(<\/span><span class=\"n\">w<\/span><span class=\"p\">,<\/span> <span class=\"s\">\"\u904b\u52e2\u306f[%s]\u3067\u3059\"<\/span><span class=\"p\">,<\/span> <span class=\"n\">omikuji<\/span><span class=\"p\">)<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<p>\u6700\u540e\uff0c\u6211\u4eec\u6765\u770b\u4e00\u4e0bomikuji\u51fd\u6570\u4e2d\u8c03\u7528\u4e86handler\u51fd\u6570\u3002<br \/>\n\u6211\u4eec\u5c06trace.StartSpan\u51fd\u6570\u7684\u7b2c\u4e00\u4e2a\u53c2\u6570\u8bbe\u5b9a\u4e3ahandler\u51fd\u6570\u5f00\u542fSpan\u65f6\u8fd4\u56de\u7684context\u3002<br \/>\n\u901a\u8fc7\u8fd9\u6837\u505a\uff0c\u5f53\u5728Jaeger\u7684UI\u754c\u9762\u4e0a\u67e5\u770b\u65f6\uff0c\u53ef\u4ee5\u770b\u5230omikuji\u51fd\u6570\u5f00\u542f\u7684Span\u88ab\u663e\u793a\u4e3ahandler\u51fd\u6570\u7684\u5b50Span\u3002<\/p>\n<p>\u5728\u51fd\u6570\u7684\u4e0b\u9762\u6709\u4e00\u4e2achildSpan.Annotate\uff0c\u901a\u8fc7\u8fd9\u4e2a\u53ef\u4ee5\u5728Span\u4e0a\u8fdb\u884c\u6807\u6ce8\u3002<\/p>\n<p>\u4ed4\u7ec6\u89c2\u5bdfomikuji\u51fd\u6570\uff0c\u53ea\u6709\u5728&#8221;\u51f6&#8221;\u7684\u65f6\u5019\u624d\u4f1a\u7761\u77201\u79d2\uff0c\u5bfc\u81f4\u5904\u7406\u65f6\u95f4\u53d8\u957f\u3002\u4f46\u662f\u901a\u8fc7\u7ed9\u7ed3\u679c\u548c\u5bf9\u5e94\u7684\u6d88\u606f\u6dfb\u52a0\u6ce8\u91ca\u4fe1\u606f\uff0c\u53ef\u4ee5\u5728Jaeger\u7684\u7528\u6237\u754c\u9762\u4e0a\u5224\u65ad\u5728\u54ea\u79cd\u6761\u4ef6\u4e0b\u5904\u7406\u53d8\u6162\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">func<\/span> <span class=\"n\">omikuji<\/span><span class=\"p\">(<\/span><span class=\"n\">ctx<\/span> <span class=\"n\">context<\/span><span class=\"o\">.<\/span><span class=\"n\">Context<\/span><span class=\"p\">)<\/span> <span class=\"kt\">string<\/span><span class=\"p\">{<\/span>\r\n    <span class=\"n\">_<\/span><span class=\"p\">,<\/span> <span class=\"n\">childSpan<\/span> <span class=\"o\">:=<\/span> <span class=\"n\">trace<\/span><span class=\"o\">.<\/span><span class=\"n\">StartSpan<\/span><span class=\"p\">(<\/span><span class=\"n\">ctx<\/span><span class=\"p\">,<\/span> <span class=\"s\">\"\/omikuji\"<\/span><span class=\"p\">)<\/span>\r\n    <span class=\"k\">defer<\/span> <span class=\"n\">childSpan<\/span><span class=\"o\">.<\/span><span class=\"n\">End<\/span><span class=\"p\">()<\/span>\r\n    <span class=\"n\">t<\/span> <span class=\"o\">:=<\/span> <span class=\"n\">time<\/span><span class=\"o\">.<\/span><span class=\"n\">Now<\/span><span class=\"p\">()<\/span>\r\n\r\n    <span class=\"k\">var<\/span> <span class=\"n\">omikuji<\/span> <span class=\"kt\">string<\/span>\r\n    <span class=\"k\">var<\/span> <span class=\"n\">msg<\/span> <span class=\"kt\">string<\/span>\r\n    <span class=\"k\">if<\/span> <span class=\"p\">(<\/span><span class=\"n\">t<\/span><span class=\"o\">.<\/span><span class=\"n\">Month<\/span><span class=\"p\">()<\/span> <span class=\"o\">==<\/span> <span class=\"m\">1<\/span> <span class=\"o\">&amp;&amp;<\/span> <span class=\"n\">t<\/span><span class=\"o\">.<\/span><span class=\"n\">Day<\/span><span class=\"p\">()<\/span> <span class=\"o\">&gt;=<\/span> <span class=\"m\">1<\/span> <span class=\"o\">&amp;&amp;<\/span> <span class=\"n\">t<\/span><span class=\"o\">.<\/span><span class=\"n\">Day<\/span><span class=\"p\">()<\/span> <span class=\"o\">&lt;=<\/span> <span class=\"m\">3<\/span><span class=\"p\">){<\/span>\r\n        <span class=\"n\">omikuji<\/span> <span class=\"o\">=<\/span> <span class=\"s\">\"\u5927\u5409\"<\/span>\r\n        <span class=\"n\">msg<\/span> <span class=\"o\">=<\/span> <span class=\"s\">\"\u304a\u6b63\u6708\u306f\u5927\u5409\"<\/span>\r\n    <span class=\"p\">}<\/span> <span class=\"k\">else<\/span> <span class=\"p\">{<\/span>\r\n        <span class=\"n\">t<\/span> <span class=\"o\">:=<\/span> <span class=\"n\">t<\/span><span class=\"o\">.<\/span><span class=\"n\">UnixNano<\/span><span class=\"p\">()<\/span>\r\n        <span class=\"n\">rand<\/span><span class=\"o\">.<\/span><span class=\"n\">Seed<\/span><span class=\"p\">(<\/span><span class=\"n\">t<\/span><span class=\"p\">)<\/span>\r\n        <span class=\"n\">s<\/span> <span class=\"o\">:=<\/span> <span class=\"n\">rand<\/span><span class=\"o\">.<\/span><span class=\"n\">Intn<\/span><span class=\"p\">(<\/span><span class=\"m\">6<\/span><span class=\"p\">)<\/span>\r\n        <span class=\"k\">switch<\/span> <span class=\"n\">s<\/span> <span class=\"o\">+<\/span> <span class=\"m\">1<\/span> <span class=\"p\">{<\/span>\r\n        <span class=\"k\">case<\/span> <span class=\"m\">1<\/span><span class=\"o\">:<\/span>\r\n            <span class=\"n\">omikuji<\/span> <span class=\"o\">=<\/span> <span class=\"s\">\"\u51f6\"<\/span>\r\n            <span class=\"n\">msg<\/span> <span class=\"o\">=<\/span> <span class=\"s\">\"\u6b8b\u5ff5\u3067\u3057\u305f\"<\/span>\r\n            <span class=\"n\">time<\/span><span class=\"o\">.<\/span><span class=\"n\">Sleep<\/span><span class=\"p\">(<\/span><span class=\"n\">time<\/span><span class=\"o\">.<\/span><span class=\"n\">Second<\/span><span class=\"p\">)<\/span>\r\n        <span class=\"k\">case<\/span> <span class=\"m\">2<\/span><span class=\"p\">,<\/span> <span class=\"m\">3<\/span><span class=\"o\">:<\/span>\r\n            <span class=\"n\">omikuji<\/span> <span class=\"o\">=<\/span> <span class=\"s\">\"\u5409\"<\/span>\r\n            <span class=\"n\">msg<\/span> <span class=\"o\">=<\/span> <span class=\"s\">\"\u305d\u3053\u305d\u3053\u3067\u3057\u305f\"<\/span>\r\n        <span class=\"k\">case<\/span> <span class=\"m\">4<\/span><span class=\"p\">,<\/span> <span class=\"m\">5<\/span><span class=\"o\">:<\/span>\r\n            <span class=\"n\">omikuji<\/span> <span class=\"o\">=<\/span> <span class=\"s\">\"\u4e2d\u5409\"<\/span>\r\n            <span class=\"n\">msg<\/span> <span class=\"o\">=<\/span> <span class=\"s\">\"\u307e\u3042\u307e\u3042\u3067\u3057\u305f\"<\/span>\r\n        <span class=\"k\">case<\/span> <span class=\"m\">6<\/span><span class=\"o\">:<\/span>\r\n            <span class=\"n\">omikuji<\/span> <span class=\"o\">=<\/span> <span class=\"s\">\"\u5927\u5409\"<\/span>\r\n            <span class=\"n\">msg<\/span> <span class=\"o\">=<\/span> <span class=\"s\">\"\u3044\u3044\u3067\u3059\u306d\"<\/span>\r\n        <span class=\"p\">}<\/span>\r\n    <span class=\"p\">}<\/span>\r\n    <span class=\"n\">childSpan<\/span><span class=\"o\">.<\/span><span class=\"n\">Annotate<\/span><span class=\"p\">([]<\/span><span class=\"n\">trace<\/span><span class=\"o\">.<\/span><span class=\"n\">Attribute<\/span><span class=\"p\">{<\/span>\r\n        <span class=\"n\">trace<\/span><span class=\"o\">.<\/span><span class=\"n\">StringAttribute<\/span><span class=\"p\">(<\/span><span class=\"s\">\"omikuji\"<\/span><span class=\"p\">,<\/span> <span class=\"n\">omikuji<\/span><span class=\"p\">),<\/span>\r\n    <span class=\"p\">},<\/span> <span class=\"n\">msg<\/span><span class=\"p\">)<\/span>\r\n    <span class=\"k\">return<\/span> <span class=\"n\">omikuji<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<p>\u6211\u4eec\u6765\u770b\u4e00\u4e0b\u5c06\u521b\u5efa\u7684\u5e94\u7528\u7a0b\u5e8f\u90e8\u7f72\u5728Kubernetes\u4e0a\u4f1a\u600e\u6837\u3002<br \/>\n\u5df2\u7ecf\u5c06\u521b\u5efa\u7684Go\u5e94\u7528\u7a0b\u5e8f\u63a8\u9001\u5230DockerHub\uff0c\u56e0\u6b64\u5c06\u5176\u90e8\u7f72\u5230\u672c\u5730\u7684Kubernetes\u96c6\u7fa4\u4e2d\u3002<br \/>\n\u867d\u7136\u5b9e\u9645\u4e0a\u5e94\u8be5\u4eceKubernetes\u7684\u6e05\u5355\u6587\u4ef6\u4e2d\u90e8\u7f72\uff0c\u4f46\u5728\u8fd9\u91cc\u6211\u4eec\u5c06\u4f7f\u7528kubectl run\u547d\u4ee4\u8fdb\u884c\u90e8\u7f72\u3002<\/p>\n<pre class=\"post-pre\"><code>$ kubectl run opencensus-sample --image=yuuyamad\/opencensus-sample:latest\r\n<\/code><\/pre>\n<p>\u901a\u8fc7\u4f7f\u7528kubectl get pods\u547d\u4ee4\uff0c\u786e\u8ba4\u5df2\u90e8\u7f72\u7684Pod\u662f\u5426\u6b63\u5728\u8fd0\u884c\u3002<br \/>\n\u7531\u4e8e\u6240\u6709Pod\u90fd\u5904\u4e8eRunning\u72b6\u6001\uff0c\u770b\u8d77\u6765\u4e00\u5207\u90fd\u5f88\u987a\u5229\u3002<\/p>\n<pre class=\"post-pre\"><code>$ kubectl get pods\r\nNAME                                 READY   STATUS    RESTARTS   AGE\r\njaeger-796dcb98cb-xjj26              1\/1     Running   0          7m\r\nopencensus-sample-6996b4f94b-pfskk   1\/1     Running   0          39s\r\n<\/code><\/pre>\n<p>\u8981\u8bbf\u95ee\u90e8\u7f72\u5728Kubernetes\u96c6\u7fa4\u4e0a\u7684\u5e94\u7528\u7a0b\u5e8f\uff0c\u901a\u5e38\u4f1a\u4f7f\u7528Service\u6216Ingress\u7b49\u8d1f\u8f7d\u5747\u8861\u5668\u7684\u529f\u80fd\u4ece\u96c6\u7fa4\u5916\u90e8\u8fdb\u884c\u8bbf\u95ee\u3002\u4f46\u5728\u8fd9\u91cc\uff0c\u6211\u4eec\u5c06\u4f7f\u7528PortForward\u76f4\u63a5\u8bbf\u95eePod\u5e76\u8fdb\u884c\u786e\u8ba4\u3002<\/p>\n<pre class=\"post-pre\"><code>$ kubectl port-forward deployment\/opencensus-sample 8080 8080\r\n<\/code><\/pre>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d90c5913a08637a6dd298\/61-0.png\" alt=\"\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8 2019-06-03 2.13.50.png\" \/><\/div>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d90c5913a08637a6dd298\/62-0.png\" alt=\"\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8 2019-06-03 2.06.42.png\" \/><\/div>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d90c5913a08637a6dd298\/63-0.png\" alt=\"\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8 2019-06-03 2.07.02.png\" \/><\/div>\n<h2>\u603b\u7ed3<\/h2>\n<p>\u6211\u4f7f\u7528\u5206\u6563\u8ffd\u8e2a\u5f00\u6e90\u8f6f\u4ef6Jaeger\u6765\u5206\u6790Go\u5e94\u7528\u7a0b\u5e8f\u3002\u867d\u7136\u8fd9\u6b21\u53ea\u8ffd\u8e2a\u4e86\u4e00\u4e2a\u670d\u52a1\uff0c\u4f46\u662f\u6211\u89c9\u5f97\uff0c\u5982\u679c\u6d89\u53ca\u8de8\u591a\u4e2a\u670d\u52a1\u7684\u60c5\u51b5\uff0c\u4e5f\u53ef\u4ee5\u8fdb\u884c\u7c7b\u4f3c\u7684\u8ffd\u8e2a\u3002\u5728\u8fd0\u8425\u57fa\u4e8e\u5fae\u670d\u52a1\u67b6\u6784\u7684\u7cfb\u7edf\u65f6\uff0c\u6211\u89c9\u5f97\u8fd9\u662f\u5fc5\u5907\u7684\u6280\u672f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u9996\u5148 \u6700\u8fd1\u6211\u7ecf\u5e38\u5728Kubernetes\u4e0a\u90e8\u7f72\u81ea\u5df1\u5f00\u53d1\u7684\u5e94\u7528\u7a0b\u5e8f\uff0c\u4f46\u662f\u5f53\u6211\u60f3\u8981\u8c03\u67e5\u548c\u89e3\u51b3\u6027\u80fd\u74f6\u9888\u95ee\u9898\u65f6\uff0c\u53d1\u73b0\u65e0\u6cd5 [&hellip;]<\/p>\n","protected":false},"author":12,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-50335","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>\u5728Kubernetes\u73af\u5883\u4e2d\u5bf9Go\u5e94\u7528\u7a0b\u5e8f\u7684\u8ffd\u8e2a - Blog - Silicon Cloud<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link 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