{"id":35090,"date":"2025-03-11T15:21:52","date_gmt":"2025-03-11T07:21:52","guid":{"rendered":"https:\/\/www.yunshan.net\/blog\/?p=35090"},"modified":"2025-03-11T15:21:52","modified_gmt":"2025-03-11T07:21:52","slug":"%e5%88%86%e5%b8%83%e5%bc%8f%e8%bf%bd%e8%b8%aa%e5%a6%82%e4%bd%95%e4%b8%8ekubernetes%e9%9b%86%e6%88%90%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/www.yunshan.net\/blog\/archives\/35090.html","title":{"rendered":"\u5206\u5e03\u5f0f\u8ffd\u8e2a\u5982\u4f55\u4e0eKubernetes\u96c6\u6210\uff1f"},"content":{"rendered":"<p style=\"text-align: center;\">\n<p><img decoding=\"async\" src=\"https:\/\/www.yunshan.net\/blog\/wp-content\/uploads\/2025\/03\/Trg9g3d.jpg\" alt=\"\u5206\u5e03\u5f0f\u8ffd\u8e2a\u5982\u4f55\u4e0eKubernetes\u96c6\u6210\uff1f\" ><\/p>\n<\/p>\n<hr>\n<p>\u5728\u4e91\u539f\u751f\u6280\u672f\u4e3b\u5bfc\u6570\u5b57\u5316\u8f6c\u578b\u7684\u4eca\u5929\uff0c\u5fae\u670d\u52a1\u67b6\u6784\u5df2\u6210\u4e3a\u6784\u5efa\u5f39\u6027\u7cfb\u7edf\u7684\u6807\u914d\u3002\u4f46\u5f53\u6570\u767e\u4e2a\u5bb9\u5668\u5316\u670d\u52a1\u5728Kubernetes\u96c6\u7fa4\u4e2d\u52a8\u6001\u4f38\u7f29\u65f6\uff0c<strong>\u8bf7\u6c42\u94fe\u8def\u8ffd\u8e2a\u7684\u53ef\u89c1\u6027\u65ad\u88c2<\/strong>\u6210\u4e3a\u5f00\u53d1\u8fd0\u7ef4\u56e2\u961f\u6700\u68d8\u624b\u7684\u96be\u9898\u2014\u2014\u4e00\u6b21API\u8c03\u7528\u53ef\u80fd\u7a7f\u900f5\u4e2a\u547d\u540d\u7a7a\u95f4\u3001\u8de8\u8d8a12\u4e2aPod\u5b9e\u4f8b\uff0c\u800c\u4f20\u7edf\u76d1\u63a7\u5de5\u5177\u5374\u96be\u4ee5\u6355\u6349\u5b8c\u6574\u7684\u5168\u94fe\u8def\u753b\u50cf\u3002\u8fd9\u6b63\u662f<a href=\"https:\/\/www.yunshan.net\/\"   target=\"_blank\" style=\"color:blue\">\u5206\u5e03\u5f0f\u8ffd\u8e2a<\/a>\u6280\u672f\u4e0eKubernetes\u6df1\u5ea6\u96c6\u6210\u7684\u6218\u7565\u610f\u4e49\u6240\u5728\u3002<\/p>\n<h3 id=\"\u4e00-\u5206\u5e03\u5f0f\u8ffd\u8e2a-\u4e91\u539f\u751f\u65f6\u4ee3\u7684\u7cfb\u7edf-ct\u626b\u63cf\u4eea\">\u4e00\u3001<a href=\"https:\/\/www.yunshan.net\/\"   target=\"_blank\" style=\"color:blue\">\u5206\u5e03\u5f0f\u8ffd\u8e2a<\/a>\uff1a\u4e91\u539f\u751f\u65f6\u4ee3\u7684\u7cfb\u7edf&rdquo;CT\u626b\u63cf\u4eea&rdquo;<\/h3>\n<p>\u5206\u5e03\u5f0f\u8ffd\u8e2a\u901a\u8fc7<strong>\u552f\u4e00Trace ID\u4e32\u8054\u8de8\u670d\u52a1\u8c03\u7528<\/strong>\uff0c\u8bb0\u5f55\u6bcf\u4e2aSpan\uff08\u8de8\u5ea6\uff09\u7684\u8d77\u6b62\u65f6\u95f4\u3001\u5143\u6570\u636e\u548c\u4e0a\u4e0b\u6e38\u5173\u7cfb\u3002\u5728Kubernetes\u73af\u5883\u4e2d\uff0c\u8fd9\u9879\u6280\u672f\u9700\u8981\u7a81\u7834\u4e09\u5927\u6838\u5fc3\u6311\u6218\uff1a<\/p>\n<ol>\n<li><strong>\u52a8\u6001\u62d3\u6251\u611f\u77e5<\/strong>\uff1aPod\u7684\u81ea\u52a8\u6269\u7f29\u5bb9\u5bfc\u81f4IP\u5730\u5740\u9891\u7e41\u53d8\u5316\uff0cJaeger\u7b49\u5de5\u5177\u5fc5\u987b\u4e0eKubernetes API\u5b9e\u65f6\u540c\u6b65Endpoint\u4fe1\u606f\n<\/li>\n<li><strong>\u591a\u8bed\u8a00SDK\u9002\u914d<\/strong>\uff1aJava\/Go\/Python\u7b49\u4e0d\u540c\u8bed\u8a00\u7f16\u5199\u7684\u670d\u52a1\uff0c\u9700\u901a\u8fc7<a href=\"https:\/\/www.yunshan.net\/\"   target=\"_blank\" style=\"color:blue\">OpenTelemetry<\/a>\u89c4\u8303\u7edf\u4e00\u57cb\u70b9\u6807\u51c6\n<\/li>\n<li><strong>\u8d44\u6e90\u6d88\u8017\u5e73\u8861<\/strong>\uff1a\u6bcf\u79d2\u767e\u4e07\u7ea7Span\u6570\u636e\u7684\u91c7\u96c6\u3001\u5b58\u50a8\uff0c\u9700\u8bbe\u8ba1\u4f18\u5148\u7ea7\u91c7\u6837\u7b56\u7565\u907f\u514d\u5f71\u54cd\u4e1a\u52a1\u6027\u80fd\n<\/li>\n<\/ol>\n<p>\u5f53\u67d0\u4e2aDeployment\u51fa\u73b0\u5f02\u5e38\u5ef6\u8fdf\u65f6\uff0c\u96c6\u6210\u5206\u5e03\u5f0f\u8ffd\u8e2a\u7684\u7cfb\u7edf\u80fd\u5feb\u901f\u751f\u6210<strong>\u706b\u7130\u56fe<\/strong>\uff0c\u7cbe\u51c6\u5b9a\u4f4d\u5230\u662fNode.js\u8ba2\u5355\u670d\u52a1\u7684\u6570\u636e\u5e93\u8fde\u63a5\u6c60\u9971\u548c\uff0c\u8fd8\u662fJava\u5e93\u5b58\u670d\u52a1\u7684GC\u505c\u987f\u5bfc\u81f4\u74f6\u9888\u3002<\/p>\n<h3 id=\"\u4e8c-kubernetes\u539f\u751f\u96c6\u6210\u65b9\u6848\u5256\u6790\">\u4e8c\u3001Kubernetes\u539f\u751f\u96c6\u6210\u65b9\u6848\u5256\u6790<\/h3>\n<h4 id=\"2-1-sidecar\u6a21\u5f0f-\u65e0\u4fb5\u5165\u5f0f\u6570\u636e\u91c7\u96c6\">2.1 Sidecar\u6a21\u5f0f\uff1a\u65e0\u4fb5\u5165\u5f0f\u6570\u636e\u91c7\u96c6<\/h4>\n<p>\u901a\u8fc7DaemonSet\u90e8\u7f72<a href=\"https:\/\/www.yunshan.net\/\"   target=\"_blank\" style=\"color:blue\">OpenTelemetry<\/a> Collector\u4f5c\u4e3a\u6bcf\u4e2a\u8282\u70b9\u7684Sidecar\uff0c\u81ea\u52a8\u52ab\u6301\u5e94\u7528\u7684OTLP\/gRPC\u7aef\u53e3\u6d41\u91cf\u3002\u8fd9\u79cd\u65b9\u6848\u7684\u4f18\u52bf\u5728\u4e8e\uff1a<\/p>\n<ul>\n<li>\u65e0\u9700\u4fee\u6539\u4e1a\u52a1\u5bb9\u5668\u955c\u50cf\n<\/li>\n<li>\u5229\u7528Kubernetes Service\u5b9e\u73b0Collector\u96c6\u7fa4\u8d1f\u8f7d\u5747\u8861\n<\/li>\n<li>\u901a\u8fc7Annotations\u52a8\u6001\u914d\u7f6e\u91c7\u6837\u7387\uff08\u5982\uff1a<code>tracing.otel.io\/sampler=parentbased_traceidratio(0.1)<\/code>\uff09\n<\/li>\n<\/ul>\n<h4 id=\"2-2-service-mesh\u8054\u52a8-istio-jaeger\u7684\u5168\u6808\u8ffd\u8e2a\">2.2 Service Mesh\u8054\u52a8\uff1aIstio+Jaeger\u7684\u5168\u6808\u8ffd\u8e2a<\/h4>\n<p>\u5728Istio\u63a7\u5236\u9762\u96c6\u6210Jaeger\u540e\uff0cEnvoy\u4ee3\u7406\u4f1a\u81ea\u52a8\u751f\u6210HTTP\/gRPC\u8c03\u7528\u7684Span\u3002\u7ed3\u5408Kubernetes\u5143\u6570\u636e\uff0c\u8fd0\u7ef4\u4eba\u5458\u53ef\u4ee5\u5728Grafana\u4eea\u8868\u76d8\u4e2d\u5b9e\u73b0\uff1a<\/p>\n<ul>\n<li>\u6309Namespace\/Pod\u8fc7\u6ee4\u8ffd\u8e2a\u6570\u636e\n<\/li>\n<li>\u7edf\u8ba1\u7279\u5b9aDeployment\u7248\u672c\u7684\u9519\u8bef\u7387\u767e\u5206\u4f4d\n<\/li>\n<li>\u5173\u8054<a href=\"https:\/\/www.yunshan.net\/\"   target=\"_blank\" style=\"color:blue\">Prometheus<\/a>\u6307\u6807\u4e0e\u8ffd\u8e2a\u65e5\u5fd7\uff08\u5982\u5c06\u9ad8\u5ef6\u8fdfSpan\u4e0eCPU Throttling\u4e8b\u4ef6\u53e0\u52a0\u5206\u6790\uff09\n<\/li>\n<\/ul>\n<h4 id=\"2-3-\u6301\u4e45\u5316\u5b58\u50a8\u4f18\u5316-\u5e94\u5bf9\u6d77\u91cfspan\u6570\u636e\">2.3 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Chart\u5b89\u88c5Operator\u540e\uff0c\u53ea\u9700\u58f0\u660eCRD\u5373\u53ef\u5b8c\u6210\u5168\u6808\u57cb\u70b9\uff1a<\/p>\n<pre><code class=\"language-yaml\">apiVersion: opentelemetry.io\/v1alpha1  \r\nkind: Instrumentation  \r\nmetadata:  \r\nname: java-instrumentation  \r\nspec:  \r\nexporter:  \r\nendpoint: &quot;http:\/\/otel-collector:4317&quot;  \r\npropagators: [tracecontext, baggage]  \r\nsampler:  \r\ntype: parentbased_traceidratio  \r\nargument: &quot;0.2&quot;  \r\njava:  \r\nimage: &quot;ghcr.io\/open-telemetry\/opentelemetry-operator\/autoinstrumentation-java:latest&quot;  \r\n<\/code><\/pre>\n<h4 id=\"3-2-\u57fa\u4e8e\u6807\u7b7e\u7684\u667a\u80fd\u91c7\u6837\u7b56\u7565\">3.2 \u57fa\u4e8e\u6807\u7b7e\u7684\u667a\u80fd\u91c7\u6837\u7b56\u7565<\/h4>\n<p>\u5728Otel Collector\u914d\u7f6e\u6587\u4ef6\u4e2d\u5b9a\u4e49\u591a\u5c42\u6b21\u91c7\u6837\u89c4\u5219\uff0c\u4f18\u5316\u5b58\u50a8\u6210\u672c\uff1a<\/p>\n<pre><code class=\"language-yaml\">processors:  \r\nprobabilistic_sampler:  \r\nsampling_percentage: 30  \r\ntail_sampling:  \r\npolicies:  \r\n- name: error-priority  \r\ntype: status_code  \r\nstatus_code: {status_codes: [ERROR]}  \r\n- name: slow-endpoints  \r\ntype: latency  \r\nlatency: {threshold_ms: 1000}  \r\n<\/code><\/pre>\n<h4 id=\"3-3-\u5b89\u5168\u5408\u89c4\u6027\u4fdd\u969c\">3.3 \u5b89\u5168\u5408\u89c4\u6027\u4fdd\u969c<\/h4>\n<p>\u5728\u591a\u79df\u6237\u96c6\u7fa4\u4e2d\uff0c\u901a\u8fc7NetworkPolicy\u9650\u5236Collector\u670d\u52a1\u4ec5\u63a5\u6536\u6765\u81ea\u7279\u5b9a\u547d\u540d\u7a7a\u95f4\u7684\u6d41\u91cf\uff0c\u5e76\u5229\u7528Cert-Manager\u7b7e\u53d1mTLS\u8bc1\u4e66\uff0c\u9632\u6b62Span\u6570\u636e\u88ab\u4e2d\u95f4\u4eba\u7a83\u53d6\u3002<\/p>\n<h3 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