{"id":28825,"date":"2025-12-23T16:20:30","date_gmt":"2025-12-23T08:20:30","guid":{"rendered":"https:\/\/www.varidata.com\/uncategorized-zh-cn\/fix-kubernetes-services-timing-out-multiple-worker-nodes\/"},"modified":"2025-12-23T16:28:33","modified_gmt":"2025-12-23T08:28:33","slug":"fix-kubernetes-services-timing-out-multiple-worker-nodes","status":"publish","type":"post","link":"https:\/\/www.varidata.com\/zh-cn\/blog\/fix-kubernetes-services-timing-out-multiple-worker-nodes\/","title":{"rendered":"\u5982\u4f55\u4fee\u590d\u8de8\u591a\u4e2a\u5de5\u4f5c\u8282\u70b9\u7684Kubernetes\u670d\u52a1\u8d85\u65f6\u95ee\u9898"},"content":{"rendered":"<style>\n    table, th, td {\n        border: 1px solid black;\n        border-collapse: collapse;\n    }\n<\/style>\n<p>\u60a8\u53ef\u80fd\u4f1a\u6ce8\u610f\u5230kubernetes\u670d\u52a1\u5728\u5de5\u4f5c\u8282\u70b9\u4e4b\u95f4\u51fa\u73b0\u8d85\u65f6,\u7279\u522b\u662f\u5728<a target=\"_self\" href=\"https:\/\/www.varidata.com\/zh-cn\/server\/tokyo\/cn2\/\">\u65e5\u672c\u670d\u52a1\u5668\u79df\u7528<\/a>\u96c6\u7fa4\u4e2d,\u7531\u4e8e\u5730\u7406\u5206\u5e03,\u7f51\u7edc\u5ef6\u8fdf\u53ef\u80fd\u66f4\u52a0\u660e\u663e\u3002\u8fd9\u901a\u5e38\u662f\u7531\u4e8e\u7f51\u7edc\u95ee\u9898\u3001\u5185\u6838SNAT\u95ee\u9898\u6216\u670d\u52a1\u53d1\u73b0\u5931\u8d25\u9020\u6210\u7684\u3002\u5728\u8bb8\u591a\u60c5\u51b5\u4e0b,\u5f53\u96c6\u7fa4\u9762\u4e34<a target=\"_self\" href=\"https:\/\/www.varidata.com\/zh-cn\/blog\/stop-dns-caching-proxies-from-shuffling-a-records\/\">DNS\u95ee\u9898<\/a>\u3001\u7f51\u7edc\u914d\u7f6e\u9519\u8bef\u6216\u8d44\u6e90\u9650\u5236\u65f6,kubernetes\u670d\u52a1\u4f1a\u51fa\u73b0\u8fde\u63a5\u4e2d\u65ad\u6216\u901f\u5ea6\u51cf\u6162 &#8211; \u8fd9\u4e9b\u6311\u6218\u5728\u8fde\u63a5\u5230\u8de8\u4e0d\u540c\u533a\u57df\u7684\u65e5\u672c\u670d\u52a1\u5668\u79df\u7528\u57fa\u7840\u8bbe\u65bd\u65f6\u5c24\u4e3a\u5e38\u89c1\u3002\u67e5\u770b\u4e0b\u8868\u4ee5\u4e86\u89e3\u5728\u65e5\u672c\u670d\u52a1\u5668\u79df\u7528\u73af\u5883\u548c\u5168\u7403kubernetes\u90e8\u7f72\u4e2d\u6700\u5e38\u89c1\u7684\u6839\u672c\u539f\u56e0:<\/p>\n<div fullwidth=\"\" class=\"qc-default-table-wrapper\">\n<table style=\"min-width: 50px;\">\n<colgroup>\n<col style=\"min-width: 25px;\">\n<col style=\"min-width: 25px;\"><\/colgroup>\n<tbody>\n<tr>\n<th colspan=\"1\" rowspan=\"1\">\n<p>\u6839\u672c\u539f\u56e0<\/p>\n<\/th>\n<th colspan=\"1\" rowspan=\"1\">\n<p>\u63cf\u8ff0<\/p>\n<\/th>\n<\/tr>\n<tr>\n<td colspan=\"1\" rowspan=\"1\">\n<p>DNS\u95ee\u9898<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>DNS\u89e3\u6790\u95ee\u9898\u53ef\u80fd\u5bfc\u81f4Kubernetes\u4e2d\u7684\u670d\u52a1\u8d85\u65f6\u3002<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u7f51\u7edc\u95ee\u9898<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u7f51\u7edc\u914d\u7f6e\u9519\u8bef\u6216\u6545\u969c\u53ef\u80fd\u5bfc\u81f4\u5ef6\u8fdf\u548c\u8d85\u65f6\u3002<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u8d44\u6e90\u5206\u914d<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u5206\u914d\u7ed9pod\u7684\u8d44\u6e90\u4e0d\u8db3\u53ef\u80fd\u5bfc\u81f4\u6027\u80fd\u95ee\u9898\u3002<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p>\u5728\u5347\u7ea7\u8fc7\u7a0b\u4e2d,\u5982\u679cwebhook\u53d8\u5f97\u65e0\u54cd\u5e94,Kubernetes\u670d\u52a1\u4e5f\u53ef\u80fd\u5931\u8d25,\u5bfc\u81f4\u8fde\u63a5\u9519\u8bef\u3002\u5f53\u60a8\u770b\u5230\u95f4\u6b47\u6027\u8d85\u65f6\u6216\u8282\u70b9\u672a\u5c31\u7eea\u65f6,\u8bf7\u9996\u5148\u68c0\u67e5\u8fd9\u4e9b\u95ee\u9898\u3002\u5feb\u901f\u6545\u969c\u6392\u9664\u6709\u52a9\u4e8e\u6062\u590dkubernetes\u670d\u52a1\u5e76\u9632\u6b62\u8fde\u63a5\u95ee\u9898\u6269\u6563\u3002<\/p>\n<h2>\u5173\u952e\u8981\u70b9<\/h2>\n<ul>\n<li>\n<p>Kubernetes\u670d\u52a1\u53ef\u80fd\u7531\u4e8e\u7f51\u7edc\u95ee\u9898\u3001DNS\u95ee\u9898\u6216\u8d44\u6e90\u4e0d\u8db3\u800c\u8d85\u65f6\u3002\u8bc6\u522b\u8fd9\u4e9b\u6839\u672c\u539f\u56e0\u5bf9\u89e3\u51b3\u95ee\u9898\u81f3\u5173\u91cd\u8981\u3002<\/p>\n<\/li>\n<li>\n<p>\u5b9a\u671f\u68c0\u67e5\u8282\u70b9\u548cpod\u7684\u5065\u5eb7\u72b6\u51b5\u3002\u4f7f\u7528&#8217;kubectl get pods&#8217;\u7b49\u547d\u4ee4\u76d1\u63a7\u5176\u72b6\u6001\u5e76\u786e\u4fdd\u5b83\u4eec\u5df2\u51c6\u5907\u597d\u5904\u7406\u6d41\u91cf\u3002<\/p>\n<\/li>\n<li>\n<p>\u68c0\u67e5\u7f51\u7edc\u7b56\u7565\u548c\u9632\u706b\u5899\u89c4\u5219\u4ee5\u786e\u4fdd\u5141\u8bb8\u5fc5\u8981\u7684\u6d41\u91cf\u3002\u914d\u7f6e\u9519\u8bef\u53ef\u80fd\u4f1a\u963b\u6b62\u8282\u70b9\u4e4b\u95f4\u7684\u901a\u4fe1\u5e76\u5bfc\u81f4\u8d85\u65f6\u3002<\/p>\n<\/li>\n<li>\n<p>\u8c03\u6574\u7a7a\u95f2\u8d85\u65f6\u548c\u7aef\u53e3\u9650\u5236\u4ee5\u6709\u6548\u7ba1\u7406\u8fde\u63a5\u3002\u8fd9\u6709\u52a9\u4e8e\u9632\u6b62\u670d\u52a1\u4e2d\u65ad\u5e76\u63d0\u9ad8\u6574\u4f53\u6027\u80fd\u3002<\/p>\n<\/li>\n<li>\n<p>\u4f7f\u7528Prometheus\u548cGrafana\u7b49\u76d1\u63a7\u5de5\u5177\u6765\u8ddf\u8e2a\u7f51\u7edc\u6307\u6807\u3002\u5b9a\u671f\u5065\u5eb7\u68c0\u67e5\u53ef\u4ee5\u5e2e\u52a9\u60a8\u5728\u95ee\u9898\u5347\u7ea7\u4e4b\u524d\u53d1\u73b0\u95ee\u9898\u3002<\/p>\n<\/li>\n<\/ul>\n<h2>\u8bc6\u522b\u95f4\u6b47\u6027\u8d85\u65f6\u75c7\u72b6<\/h2>\n<h3>Kubernetes\u670d\u52a1\u4e2d\u7684\u9519\u8bef\u65e5\u5fd7<\/h3>\n<p>\u60a8\u53ef\u4ee5\u901a\u8fc7\u68c0\u67e5\u9519\u8bef\u65e5\u5fd7\u548c\u76d1\u63a7\u8fde\u63a5\u5c1d\u8bd5\u6765\u53d1\u73b0Kubernetes\u670d\u52a1\u4e2d\u7684\u95f4\u6b47\u6027\u8d85\u65f6\u3002\u8bb8\u591a\u7528\u6237\u5728\u4e0eKubernetes API\u670d\u52a1\u5668\u4ea4\u4e92\u65f6\u4f1a\u770b\u5230API\u8bf7\u6c42\u8d85\u65f6\u3002\u60a8\u53ef\u80fd\u4f1a\u5728\u5e94\u7528\u7a0b\u5e8f\u65e5\u5fd7\u4e2d\u6ce8\u610f\u5230\u9519\u8bef\u6216\u547d\u4ee4\u5931\u8d25\u3002\u6709\u65f6,\u5728\u8bbf\u95ee\u5e94\u7528\u7a0b\u5e8f\u65f6\u4f1a\u9047\u5230\u8d85\u65f6,\u8fd9\u53ef\u80fd\u8868\u660e\u96c6\u7fa4\u7ec4\u4ef6\u5b58\u5728\u6027\u80fd\u95ee\u9898\u3002<\/p>\n<p>\u5bfb\u627e\u8fd9\u4e9b\u5e38\u89c1\u8ff9\u8c61:<\/p>\n<ul>\n<li>\n<p>API\u8bf7\u6c42\u8d85\u65f6<\/p>\n<\/li>\n<li>\n<p>\u8bbf\u95ee\u670d\u52a1\u65f6\u51fa\u73b0\u95f4\u6b47\u6027\u8d85\u65f6<\/p>\n<\/li>\n<li>\n<p>\u96c6\u7fa4\u7ec4\u4ef6\u7684\u6027\u80fd\u95ee\u9898<\/p>\n<\/li>\n<\/ul>\n<p>\u5f53\u60a8\u5206\u6790\u9519\u8bef\u65e5\u5fd7\u65f6,\u7ecf\u5e38\u4f1a\u53d1\u73b0Kubelet\u548cpod\u4e4b\u95f4\u7684TCP\u8fde\u63a5\u65e0\u6cd5\u5efa\u7acb\u3002\u60a8\u53ef\u80fd\u4f1a\u770b\u5230TCP SYN\u4eceKubelet\u53d1\u9001,\u4f46\u9884\u671f\u7684TCP ACK\u4ece\u672a\u5230\u8fbe\u3002\u8fd9\u901a\u5e38\u610f\u5473\u7740\u5b58\u5728\u7f51\u7edc\u95ee\u9898\u3002\u6709\u65f6,\u8fde\u63a5\u4f1a\u5361\u5728SYN-SENT\u72b6\u6001,\u8fd9\u8868\u660eKubelet\u65e0\u6cd5\u6b63\u786e\u5904\u7406TCP\u4f1a\u8bdd\u3002\u5982\u679c\u60a8\u53d1\u73b0\u6e90\u7aef\u53e3\u88abKubernetes nodeports\u4fdd\u7559,\u8fd9\u79cd\u914d\u7f6e\u9519\u8bef\u53ef\u80fd\u4f1a\u5bfc\u81f4\u5065\u5eb7\u68c0\u67e5\u5931\u8d25\u3002<\/p>\n<p>\u4ee5\u4e0b\u662f\u8868\u660e\u8de8\u8282\u70b9\u8fde\u63a5\u95ee\u9898\u7684\u65e5\u5fd7\u6a21\u5f0f\u548c\u9519\u8bef\u4ee3\u7801\u8868:<\/p>\n<div fullwidth=\"\" class=\"qc-default-table-wrapper\">\n<table style=\"min-width: 50px;\">\n<colgroup>\n<col style=\"min-width: 25px;\">\n<col style=\"min-width: 25px;\"><\/colgroup>\n<tbody>\n<tr>\n<th colspan=\"1\" rowspan=\"1\">\n<p>\u6307\u6807\u7c7b\u578b<\/p>\n<\/th>\n<th colspan=\"1\" rowspan=\"1\">\n<p>\u63cf\u8ff0<\/p>\n<\/th>\n<\/tr>\n<tr>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u8fde\u63a5\u5931\u8d25<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u8fde\u63a5\u5c1d\u8bd5\u672a\u6210\u529f<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u8d85\u65f6<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u8fde\u63a5\u5c1d\u8bd5\u7528\u65f6\u8fc7\u957f<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u5f02\u5e38\u7cfb\u7edf\u8c03\u7528\u5e8f\u5217<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u4e0e\u7f51\u7edc\u76f8\u5173\u7684\u7cfb\u7edf\u8c03\u7528\u4e2d\u7684\u5f02\u5e38\u884c\u4e3a<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<h3>\u8282\u70b9\u672a\u5c31\u7eea\u548cPod\u8fde\u63a5\u6027<\/h3>\n<p>\u60a8\u9700\u8981\u7279\u522b\u6ce8\u610f\u8282\u70b9\u72b6\u6001\u3002\u5982\u679c\u60a8\u770b\u5230\u8282\u70b9\u672a\u5c31\u7eea,\u5219\u65e0\u6cd5\u5728\u8be5\u8282\u70b9\u4e0a\u8c03\u5ea6pod\u3002\u8fd9\u76f4\u63a5\u5f71\u54cd\u670d\u52a1\u53ef\u7528\u6027\u3002\u8282\u70b9\u672a\u5c31\u7eea\u72b6\u6001\u610f\u5473\u7740pod\u65e0\u6cd5\u63a5\u53d7\u6d41\u91cf\u6216\u6267\u884c\u5176\u9884\u671f\u529f\u80fd\u3002\u5f53\u8282\u70b9\u6807\u8bb0\u4e3a\u672a\u5c31\u7eea\u65f6,\u5b83\u65e0\u6cd5\u6b63\u5e38\u8fd0\u884c\u4e14\u65e0\u6cd5\u8c03\u5ea6\u65b0\u7684pod\u3002\u8fd9\u4f1a\u5f71\u54cdpod\u8fde\u63a5\u6027\u548c\u670d\u52a1\u53ef\u7528\u6027\u3002\u65e0\u6cd5\u5728\u672a\u5904\u4e8e\u5c31\u7eea\u72b6\u6001\u7684\u8282\u70b9\u4e0a\u8c03\u5ea6pod\u3002\u5982\u679c\u8282\u70b9\u672a\u5c31\u7eea,\u5b83\u5c31\u65e0\u6cd5\u6258\u7ba1\u65b0\u7684pod,\u8fd9\u4f1a\u5f71\u54cd\u6574\u4f53\u670d\u52a1\u53ef\u7528\u6027\u3002<\/p>\n<h3>\u547d\u540d\u7a7a\u95f4\u548c\u670d\u52a1\u53d1\u73b0\u95ee\u9898<\/h3>\n<p>\u547d\u540d\u7a7a\u95f4\u548c\u670d\u52a1\u53d1\u73b0\u95ee\u9898\u7ecf\u5e38\u5bfc\u81f4\u670d\u52a1\u8d85\u65f6\u3002\u60a8\u5e94\u8be5\u68c0\u67e5\u670d\u52a1\u540d\u79f0\u662f\u5426\u6709\u62fc\u5199\u9519\u8bef\u6216\u547d\u540d\u7a7a\u95f4\u662f\u5426\u9519\u8bef\u3002DNS\u95ee\u9898\u4e5f\u53ef\u80fd\u9020\u6210\u9ebb\u70e6\u3002\u6709\u65f6\u53ef\u80fd\u6ca1\u6709\u540e\u7aefpod,\u6216targetPort\u4e0d\u6b63\u786e\u3002\u7f51\u7edc\u9650\u5236\u53ef\u80fd\u4f1a\u963b\u6b62\u6d41\u91cf\u3002\u73af\u5883\u53d8\u91cf\u53ef\u80fd\u672a\u88ab\u586b\u5145,\u6216\u8d1f\u8f7d\u5747\u8861\u53ef\u80fd\u914d\u7f6e\u9519\u8bef\u3002<\/p>\n<p>\u5e38\u89c1\u7684\u547d\u540d\u7a7a\u95f4\u548c\u670d\u52a1\u53d1\u73b0\u95ee\u9898\u5305\u62ec:<\/p>\n<ul>\n<li>\n<p>\u670d\u52a1\u540d\u79f0\u62fc\u5199\u9519\u8bef<\/p>\n<\/li>\n<li>\n<p>\u547d\u540d\u7a7a\u95f4\u9519\u8bef<\/p>\n<\/li>\n<li>\n<p>DNS\u95ee\u9898<\/p>\n<\/li>\n<li>\n<p>\u6ca1\u6709\u540e\u7aefpod<\/p>\n<\/li>\n<li>\n<p>targetPort\u9519\u8bef<\/p>\n<\/li>\n<li>\n<p>\u7f51\u7edc\u9650\u5236<\/p>\n<\/li>\n<li>\n<p>\u73af\u5883\u53d8\u91cf\u672a\u586b\u5145<\/p>\n<\/li>\n<li>\n<p>\u8d1f\u8f7d\u5747\u8861\u914d\u7f6e\u9519\u8bef<\/p>\n<\/li>\n<\/ul>\n<p>\u5982\u679c\u60a8\u8bc6\u522b\u51fa\u8fd9\u4e9b\u75c7\u72b6,\u5c31\u53ef\u4ee5\u5feb\u901f\u7f29\u5c0f\u6839\u672c\u539f\u56e0\u7684\u8303\u56f4\u5e76\u6062\u590d\u670d\u52a1\u53ef\u7528\u6027\u3002<\/p>\n<h2>\u8de8\u8282\u70b9\u6545\u969c\u6392\u9664Kubernetes\u670d\u52a1<\/h2>\n<p>\u5f53\u60a8\u5728kubernetes\u96c6\u7fa4\u4e2d\u9047\u5230\u670d\u52a1\u8d85\u65f6\u65f6,\u60a8\u9700\u8981\u4e00\u4e2a\u6e05\u6670\u7684\u6545\u969c\u6392\u9664\u6d41\u7a0b\u3002\u6309\u7167\u8fd9\u4e9b\u6b65\u9aa4\u53ef\u4ee5\u89e3\u51b3\u5927\u591a\u6570\u8fde\u63a5\u95ee\u9898\u3002\u6bcf\u4e2a\u6b65\u9aa4\u90fd\u6709\u52a9\u4e8e\u60a8\u8bc6\u522b\u6839\u672c\u539f\u56e0\u5e76\u6062\u590d\u8de8kubernetes\u8282\u70b9\u7684\u670d\u52a1\u53ef\u7528\u6027\u3002<\/p>\n<h3>Pod\u548c\u8282\u70b9\u5065\u5eb7\u68c0\u67e5<\/h3>\n<p>\u9996\u5148\u901a\u8fc7\u68c0\u67e5pod\u548c\u8282\u70b9\u7684\u5065\u5eb7\u72b6\u51b5\u5f00\u59cb\u6545\u969c\u6392\u9664\u3002\u60a8\u8981\u786e\u4fddkubelet\u548ckube-proxy\u5728\u6bcf\u4e2akubernetes\u8282\u70b9\u4e0a\u8fd0\u884c\u3002\u5982\u679c\u8282\u70b9\u672a\u5c31\u7eea,kubelet\u5c31\u65e0\u6cd5\u8c03\u5ea6pod,\u800ckube-proxy\u5c31\u65e0\u6cd5\u8def\u7531\u6d41\u91cf\u3002\u60a8\u5e94\u8be5\u76d1\u63a7\u5e94\u7528\u7a0b\u5e8f\u5e76\u4f7f\u7528\u63a2\u9488\u6765\u786e\u8ba4\u5e94\u7528\u7a0b\u5e8f\u6b63\u5728\u8fd0\u884c\u5e76\u63a5\u53d7\u6d41\u91cf\u3002<\/p>\n<ul>\n<li>\n<p>\u8282\u70b9\u72b6\u6001\u68c0\u67e5: \u5173\u6ce8OutOfDisk\u3001Ready\u3001MemoryPressure\u3001PIDPressure\u3001DiskPressure\u548cNetworkUnavailable\u7b49\u72b6\u51b5\u3002<\/p>\n<\/li>\n<li>\n<p>\u4f7f\u7528kube_deployment_spec_replicas\u548ckube_deployment_status_replicas\u6bd4\u8f83\u671f\u671b\u7684\u548c\u5f53\u524d\u7684pod\u6570\u91cf\u3002<\/p>\n<\/li>\n<li>\n<p>\u8ddf\u8e2a\u53ef\u7528\u548c\u4e0d\u53ef\u7528\u7684pod\u4ee5\u53d1\u73b0\u5c31\u7eea\u63a2\u9488\u5931\u8d25\u3002<\/p>\n<\/li>\n<li>\n<p>\u4f7f\u7528\u5b58\u6d3b\u63a2\u9488\u68c0\u67e5\u5e94\u7528\u7a0b\u5e8f\u662f\u5426\u5728\u8fd0\u884c\u3002<\/p>\n<\/li>\n<li>\n<p>\u4f7f\u7528\u5c31\u7eea\u63a2\u9488\u9a8c\u8bc1\u5e94\u7528\u7a0b\u5e8f\u662f\u5426\u53ef\u4ee5\u63a5\u53d7\u6d41\u91cf\u3002<\/p>\n<\/li>\n<li>\n<p>\u4f7f\u7528\u542f\u52a8\u63a2\u9488\u786e\u8ba4\u5bb9\u5668\u662f\u5426\u5df2\u521d\u59cb\u5316\u3002<\/p>\n<\/li>\n<\/ul>\n<p>\u60a8\u53ef\u4ee5\u4f7f\u7528\u8fd9\u4e9bkubernetes\u547d\u4ee4\u6765\u6392\u67e5\u8282\u70b9\u548cpod\u7684\u5065\u5eb7\u72b6\u51b5:<\/p>\n<div fullwidth=\"\" class=\"qc-default-table-wrapper\">\n<table style=\"min-width: 50px;\">\n<colgroup>\n<col style=\"min-width: 25px;\">\n<col style=\"min-width: 25px;\"><\/colgroup>\n<tbody>\n<tr>\n<th colspan=\"1\" rowspan=\"1\">\n<p>\u547d\u4ee4<\/p>\n<\/th>\n<th colspan=\"1\" rowspan=\"1\">\n<p>\u7528\u9014<\/p>\n<\/th>\n<\/tr>\n<tr>\n<td colspan=\"1\" rowspan=\"1\">\n<p>kubectl get pods<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u663e\u793apod\u7684STATUS\u548cRESTARTS,\u8868\u660e\u91cd\u590d\u6027\u6545\u969c\u3002<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td colspan=\"1\" rowspan=\"1\">\n<p>kubectl describe pod<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u63d0\u4f9b\u8be6\u7ec6\u4fe1\u606f\u5982LAST STATE\u3001REASON\u548cMESSAGE(\u4f8b\u5982OOMKilled)\u3002<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td colspan=\"1\" rowspan=\"1\">\n<p>kubectl get events &#8211;sort-by=.metadata.creationTimestamp<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u5217\u51fa\u4e8b\u4ef6\u4ee5\u68c0\u67e5\u8c03\u5ea6\u5931\u8d25\u3001\u955c\u50cf\u62c9\u53d6\u9519\u8bef\u6216\u9a71\u9010\u3002<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td colspan=\"1\" rowspan=\"1\">\n<p>kubectl logs<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u83b7\u53d6\u6700\u8fd1\u7684\u65e5\u5fd7\u4ee5\u8bc6\u522b\u5e94\u7528\u7a0b\u5e8f\u7ea7\u522b\u7684\u9519\u8bef\u3002<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td colspan=\"1\" rowspan=\"1\">\n<p>kubectl top pod<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u663e\u793a\u5b9e\u65f6CPU\u548c\u5185\u5b58\u4f7f\u7528\u60c5\u51b5,\u6709\u52a9\u4e8e\u89e3\u91caOOMKills\u3002<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td colspan=\"1\" rowspan=\"1\">\n<p>kubectl debug pod\/ -it &#8211;image=busybox<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u542f\u52a8\u4e34\u65f6\u8c03\u8bd5\u5bb9\u5668\u4ee5\u5728\u547d\u540d\u7a7a\u95f4\u5185\u8fdb\u884c\u68c0\u67e5\u3002<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p>\u5728\u8fdb\u5165\u4e0b\u4e00\u6b65\u6545\u969c\u6392\u9664\u6b65\u9aa4\u4e4b\u524d,\u60a8\u5e94\u8be5\u68c0\u67e5pod\u7684\u5065\u5eb7\u72b6\u51b5\u5e76\u68c0\u67e5pod\u7684\u72b6\u6001\u3002<\/p>\n<h3>\u7f51\u7edc\u7b56\u7565\u548c\u9632\u706b\u5899\u5ba1\u67e5<\/h3>\n<p>\u7f51\u7edc\u7b56\u7565\u548c\u9632\u706b\u5899\u89c4\u5219\u7ecf\u5e38\u5bfc\u81f4kubernetes\u8282\u70b9\u4e4b\u95f4\u7684\u670d\u52a1\u8d85\u65f6\u3002\u60a8\u9700\u8981\u68c0\u67e5\u7f51\u7edc\u914d\u7f6e\u548c\u5b89\u5168\u8bbe\u7f6e\u3002\u914d\u7f6e\u9519\u8bef\u7684\u8def\u7531\u8868\u3001\u5b89\u5168\u5217\u8868\u6216\u7f51\u5173\u53ef\u80fd\u4f1a\u963b\u6b62kubelet\u548ckube-proxy\u4e4b\u95f4\u7684\u6d41\u91cf\u3002\u5982\u679c\u60a8\u5bf9\u540c\u4e00\u4e2a\u76ee\u6807\u540c\u65f6\u4f7f\u7528\u4e92\u8054\u7f51\u7f51\u5173\u548c\u670d\u52a1\u7f51\u5173,\u6d41\u91cf\u53ef\u80fd\u4f1a\u88ab\u9519\u8bef\u8def\u7531\u3002<\/p>\n<ul>\n<li>\n<p>\u914d\u7f6e\u9519\u8bef\u7684\u8def\u7531\u8868\u3001\u5b89\u5168\u5217\u8868\u6216\u7f51\u5173\u53ef\u80fd\u4f1a\u963b\u6b62kubernetes\u670d\u52a1\u5230\u8fbe\u5fc5\u8981\u7684\u7aef\u70b9\u3002<\/p>\n<\/li>\n<li>\n<p>\u5bf9\u540c\u4e00\u76ee\u6807\u540c\u65f6\u4f7f\u7528\u4e92\u8054\u7f51\u7f51\u5173\u548c\u670d\u52a1\u7f51\u5173\u53ef\u80fd\u5bfc\u81f4\u6d41\u91cf\u88ab\u9519\u8bef\u8def\u7531\u3002<\/p>\n<\/li>\n<\/ul>\n<p>\u6309\u7167\u4ee5\u4e0b\u6545\u969c\u6392\u9664\u6b65\u9aa4\u68c0\u67e5\u9632\u706b\u5899\u89c4\u5219:<\/p>\n<ol>\n<li>\n<p>\u68c0\u67e5\u8282\u70b9\u9632\u706b\u5899\u89c4\u5219: \u786e\u4fdd\u5de5\u4f5c\u8282\u70b9\u4e0a\u7684\u9632\u706b\u5899\u89c4\u5219\u5141\u8bb8\u5fc5\u8981\u7aef\u53e3\u7684\u6d41\u91cf,\u7279\u522b\u662fNodePort\u670d\u52a1\u4f7f\u7528\u768430000-32767\u7aef\u53e3\u8303\u56f4\u3002<\/p>\n<\/li>\n<li>\n<p>\u5b89\u5168\u7ec4\u548c\u4e91\u9632\u706b\u5899: \u5982\u679c\u60a8\u5728\u4e91\u4e2d\u8fd0\u884ckubernetes,\u9a8c\u8bc1\u60a8\u7684\u5b89\u5168\u7ec4\u6216\u4e91\u9632\u706b\u5899\u8bbe\u7f6e\u5141\u8bb8\u6240\u9700\u7684\u6d41\u91cf\u3002<\/p>\n<\/li>\n<\/ol>\n<p>\u60a8\u8fd8\u5e94\u8be5\u786e\u8ba4kubelet\u548ckube-proxy\u53ef\u4ee5\u5728\u6240\u6709kubernetes\u8282\u70b9\u4e4b\u95f4\u901a\u4fe1\u3002\u8fd9\u6709\u52a9\u4e8e\u7ef4\u62a4\u7f51\u7edc\u8fde\u63a5\u5e76\u907f\u514d\u7f51\u7edc\u95ee\u9898\u3002<\/p>\n<h3>\u670d\u52a1\u548c\u7aef\u70b9\u914d\u7f6e<\/h3>\n<p>\u670d\u52a1\u548c\u7aef\u70b9\u914d\u7f6e\u9519\u8bef\u53ef\u80fd\u5bfc\u81f4\u8d85\u65f6\u548c\u8fde\u63a5\u95ee\u9898\u3002\u60a8\u9700\u8981\u68c0\u67e5\u4e0e\u90e8\u7f72\u76f8\u5173\u7684\u670d\u52a1\u5e76\u786e\u4fdd\u7aef\u70b9\u6b63\u786e\u3002\u5982\u679ckubelet\u6216kube-proxy\u627e\u4e0d\u5230\u6b63\u786e\u7684\u7aef\u70b9,\u60a8\u7684\u5e94\u7528\u7a0b\u5e8f\u5c06\u65e0\u6cd5\u6309\u9884\u671f\u5de5\u4f5c\u3002<\/p>\n<ul>\n<li>\n<p>\u68c0\u67e5\u670d\u52a1\u540d\u79f0\u548c\u547d\u540d\u7a7a\u95f4\u662f\u5426\u6709\u62fc\u5199\u9519\u8bef\u3002<\/p>\n<\/li>\n<li>\n<p>\u786e\u4fddtargetPort\u4e0e\u5e94\u7528\u7a0b\u5e8f\u7aef\u53e3\u5339\u914d\u3002<\/p>\n<\/li>\n<li>\n<p>\u786e\u8ba4\u540e\u7aefpod\u5b58\u5728\u5e76\u6b63\u5728\u8fd0\u884c\u3002<\/p>\n<\/li>\n<li>\n<p>\u68c0\u67e5\u73af\u5883\u53d8\u91cf\u548c\u8d1f\u8f7d\u5747\u8861\u8bbe\u7f6e\u3002<\/p>\n<\/li>\n<\/ul>\n<p>\u4f7f\u7528\u8fd9\u4e9bkubernetes\u547d\u4ee4\u6392\u67e5\u670d\u52a1\u548c\u7aef\u70b9\u914d\u7f6e:<\/p>\n<ol>\n<li>\n<p>kubectl get svc: \u5217\u51fa\u6240\u6709\u670d\u52a1\u53ca\u5176\u7aef\u70b9\u3002<\/p>\n<\/li>\n<li>\n<p>kubectl describe pod : \u663e\u793a\u4e8b\u4ef6\u548c\u7aef\u70b9\u8be6\u7ec6\u4fe1\u606f\u3002<\/p>\n<ul>\n<li>\n<p>kubectl get endpoints: \u663e\u793a\u6bcf\u4e2a\u670d\u52a1\u7684\u7aef\u70b9\u6620\u5c04\u3002<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>\u60a8\u5e94\u8be5\u59cb\u7ec8\u68c0\u67e5\u4e0e\u90e8\u7f72\u76f8\u5173\u7684\u670d\u52a1,\u5e76\u786e\u8ba4kubelet\u548ckube-proxy\u5728\u6bcf\u4e2akubernetes\u8282\u70b9\u4e0a\u90fd\u6709\u6b63\u786e\u7684\u914d\u7f6e\u3002<\/p>\n<h3>SNAT\u548c\u5185\u6838\u95ee\u9898<\/h3>\n<p>SNAT\u548c\u5185\u6838\u95ee\u9898\u53ef\u80fd\u4f1a\u7834\u574fkubernetes\u8282\u70b9\u4e4b\u95f4\u7684\u7f51\u7edc\u8fde\u63a5\u3002\u60a8\u9700\u8981\u68c0\u67e5\u6bcf\u4e2a\u8282\u70b9\u4e0a\u662f\u5426\u52a0\u8f7d\u4e86br_netfilter\u5185\u6838\u6a21\u5757\u3002\u5982\u679ckubelet\u6216kube-proxy\u65e0\u6cd5\u4f7f\u7528\u7f51\u6865\u6a21\u5757,\u7f51\u7edc\u6d41\u91cf\u5c06\u4f1a\u5931\u8d25\u3002<\/p>\n<blockquote>\n<p>\u4e00\u4f4d\u7528\u6237\u62a5\u544a\u8bf4,\u4ed6\u4eec\u7684\u5de5\u4f5c\u8282\u70b9\u5728\u91cd\u542f\u540e\u6ca1\u6709\u81ea\u52a8\u52a0\u8f7dbr_netfilter\u5185\u6838\u6a21\u5757,\u8fd9\u5bfc\u81f4\u7f51\u6865\u6a21\u5757\u51fa\u73b0\u6545\u969c\u3002\u624b\u52a8\u52a0\u8f7d\u6a21\u5757\u540e,\u8fde\u63a5\u95ee\u9898\u5f97\u5230\u89e3\u51b3\u3002<\/p>\n<\/blockquote>\n<p>\u60a8\u8fd8\u5e94\u8be5\u6ce8\u610fiptables\u548c\u7f51\u7edc\u7b56\u7565\u7684\u95ee\u9898\u3002\u8fd9\u4e9b\u53ef\u80fd\u4f1a\u963b\u6b62kubelet\u548ckube-proxy\u4e4b\u95f4\u7684\u6d41\u91cf\u3002SNAT\u7ade\u4e89\u6761\u4ef6\u53ef\u80fd\u5bfc\u81f4\u6570\u636e\u5305\u4e22\u5931\u6216\u8fde\u63a5\u91cd\u7f6e,\u4f7f\u5f97\u96be\u4ee5\u8ddf\u8e2a\u8bf7\u6c42\u548c\u6267\u884c\u7b56\u7565\u3002<\/p>\n<div fullwidth=\"\" class=\"qc-default-table-wrapper\">\n<table style=\"min-width: 50px;\">\n<colgroup>\n<col style=\"min-width: 25px;\">\n<col style=\"min-width: 25px;\"><\/colgroup>\n<tbody>\n<tr>\n<th colspan=\"1\" rowspan=\"1\">\n<p>\u95ee\u9898<\/p>\n<\/th>\n<th colspan=\"1\" rowspan=\"1\">\n<p>\u5f71\u54cd<\/p>\n<\/th>\n<\/tr>\n<tr>\n<td colspan=\"1\" rowspan=\"1\">\n<p>Pod\u8eab\u4efd\u4e22\u5931<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u4f7f\u5b89\u5168\u548c\u5ba1\u8ba1\u53d8\u5f97\u590d\u6742<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u65e0\u6cd5\u8ddf\u8e2a\u8bf7\u6c42<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u96be\u4ee5\u57fa\u4e8epod\u8eab\u4efd\u6267\u884c\u7b56\u7565<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u6570\u636e\u5305\u4e22\u5931\u6216\u8fde\u63a5\u91cd\u7f6e<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u8868\u660e\u53ef\u80fd\u5b58\u5728SNAT\u76f8\u5173\u95ee\u9898<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p>\u60a8\u9700\u8981\u6392\u67e5\u8282\u70b9\u5185\u6838\u6a21\u5757\u548c\u7f51\u7edc\u7b56\u7565\u95ee\u9898,\u4ee5\u4fdd\u6301kubelet\u548ckube-proxy\u5728\u6bcf\u4e2akubernetes\u8282\u70b9\u4e0a\u6b63\u5e38\u5de5\u4f5c\u3002<\/p>\n<h3>AKS\u548c\u4e91\u7279\u5b9a\u8fde\u63a5\u6027<\/h3>\n<p>Azure kubernetes\u670d\u52a1(AKS)\u548c\u5176\u4ed6\u4e91\u5e73\u53f0\u6709\u5176\u72ec\u7279\u7684\u8fde\u63a5\u95ee\u9898\u3002\u5728\u8bbf\u95eeAKS\u4e0a\u7684\u5e94\u7528\u7a0b\u5e8f\u65f6,\u60a8\u53ef\u80fd\u4f1a\u770b\u5230\u95f4\u6b47\u6027\u8d85\u65f6\u3002\u8fd9\u4e9b\u95ee\u9898\u901a\u5e38\u6765\u81ea\u6027\u80fd\u95ee\u9898\u3001\u5185\u5b58\u9650\u5236\u6216\u7f51\u7edc\u914d\u7f6e\u9519\u8bef\u3002<\/p>\n<ul>\n<li>\n<p>\u96c6\u7fa4\u7ec4\u4ef6\u7684\u6027\u80fd\u95ee\u9898\u53ef\u80fd\u5bfc\u81f4\u8d85\u65f6\u3002<\/p>\n<\/li>\n<li>\n<p>\u8d85\u51fa\u5185\u5b58\u9650\u5236\u53ef\u80fd\u4f1a\u4e2d\u65ad\u5e94\u7528\u7a0b\u5e8f\u53ef\u7528\u6027\u3002<\/p>\n<\/li>\n<li>\n<p>\u7f51\u7edc\u914d\u7f6e\u95ee\u9898\u53ef\u80fd\u4f1a\u963b\u6b62kubelet\u548ckube-proxy\u4e4b\u95f4\u7684\u6d41\u91cf\u3002<\/p>\n<\/li>\n<\/ul>\n<p>\u60a8\u53ef\u4ee5\u4f7f\u7528\u8fd9\u4e9b\u6545\u969c\u6392\u9664\u6b65\u9aa4\u7528\u4e8eAKS:<\/p>\n<ol>\n<li>\n<p>\u4f7f\u7528kubectl top pods\u68c0\u67e5pod\u7684\u5065\u5eb7\u72b6\u51b5\u3002<\/p>\n<\/li>\n<li>\n<p>\u4f7f\u7528kubectl get pods\u68c0\u67e5pod\u7684\u72b6\u6001\u3002<\/p>\n<\/li>\n<li>\n<p>\u4f7f\u7528kubectl get svc\u68c0\u67e5\u4e0e\u90e8\u7f72\u76f8\u5173\u7684\u670d\u52a1\u3002<\/p>\n<\/li>\n<li>\n<p>\u4f7f\u7528kubectl describe pod my-deployment-fc94b7f98-m9z2l\u63cf\u8ff0pod\u4ee5\u68c0\u67e5\u4e8b\u4ef6\u3002<\/p>\n<\/li>\n<\/ol>\n<blockquote>\n<p>cURL\u547d\u4ee4\u7ed3\u679c\u793a\u4f8b:<\/p>\n<ul>\n<li>\n<p>\u6210\u529f\u8fde\u63a5: HTTP\/1.1 200 OK<\/p>\n<\/li>\n<li>\n<p>\u8fde\u63a5\u8d85\u65f6: Failed to connect to 20.62.x.x port 80 after 21050 ms: Timed out<\/p>\n<\/li>\n<\/ul>\n<\/blockquote>\n<p>\u60a8\u5e94\u8be5\u76d1\u63a7\u5e94\u7528\u7a0b\u5e8f\u5e76\u68c0\u67e5\u6bcf\u4e2akubernetes\u8282\u70b9\u4e0a\u7684kubelet\u548ckube-proxy\u65e5\u5fd7\u3002\u8fd9\u6709\u52a9\u4e8e\u60a8\u53d1\u73b0\u7f51\u7edc\u95ee\u9898\u5e76\u6062\u590d\u7f51\u7edc\u8fde\u63a5\u3002<\/p>\n<p>\u901a\u8fc7\u9075\u5faa\u8fd9\u4e9b\u6545\u969c\u6392\u9664\u6b65\u9aa4,\u60a8\u53ef\u4ee5\u89e3\u51b3\u8de8kubernetes\u8282\u70b9\u7684\u670d\u52a1\u8d85\u65f6\u548c\u8fde\u63a5\u95ee\u9898\u3002\u60a8\u9700\u8981\u68c0\u67e5kubelet\u3001kube-proxy\u3001\u8282\u70b9\u5065\u5eb7\u72b6\u51b5\u3001\u7f51\u7edc\u7b56\u7565\u3001\u670d\u52a1\u914d\u7f6e\u548c\u4e91\u7279\u5b9a\u8bbe\u7f6e\u3002\u8fd9\u4e2a\u8fc7\u7a0b\u6709\u52a9\u4e8e\u60a8\u7ef4\u62a4\u53ef\u9760\u7684kubernetes\u7f51\u7edc\u5e76\u4fdd\u6301\u5e94\u7528\u7a0b\u5e8f\u5e73\u7a33\u8fd0\u884c\u3002<\/p>\n<h2>\u5e38\u89c1Kubernetes\u670d\u52a1\u8d85\u65f6\u7684\u89e3\u51b3\u65b9\u6848<\/h2>\n<h3>\u4fee\u590d\u7f51\u7edc\u7b56\u7565\u548c\u9632\u706b\u5899\u89c4\u5219<\/h3>\n<p>\u60a8\u53ef\u4ee5\u901a\u8fc7\u7ba1\u7406\u6bcf\u4e2a\u8282\u70b9\u7684\u7f51\u7edc\u7b56\u7565\u548c\u9632\u706b\u5899\u89c4\u5219\u6765\u9632\u6b62kubernetes\u4e2d\u7684\u670d\u52a1\u8d85\u65f6\u3002\u5f53\u60a8\u8bbe\u7f6ePrometheus\u548cGrafana\u7b49\u76d1\u63a7\u5de5\u5177\u65f6,\u60a8\u53ef\u4ee5\u8ddf\u8e2a\u7f51\u7edc\u6307\u6807\u5e76\u63a5\u6536\u5f02\u5e38\u8b66\u62a5\u3002\u60a8\u5e94\u8be5\u5b9a\u671f\u8fdb\u884c\u7f51\u7edc\u5065\u5eb7\u68c0\u67e5\u4ee5\u5728\u95ee\u9898\u5f71\u54cd\u96c6\u7fa4\u4e4b\u524d\u53d1\u73b0\u5e76\u4fee\u590d\u95ee\u9898\u3002\u6e05\u6670\u8bb0\u5f55\u7f51\u7edc\u914d\u7f6e\u3001\u7b56\u7565\u548c\u6545\u969c\u6392\u9664\u6b65\u9aa4\u6709\u52a9\u4e8e\u60a8\u5728\u95ee\u9898\u51fa\u73b0\u65f6\u5feb\u901f\u54cd\u5e94\u3002\u901a\u8fc7\u9075\u5faa\u7f51\u7edc\u7b56\u7565\u7ba1\u7406\u7684\u6700\u4f73\u5b9e\u8df5,\u60a8\u53ef\u4ee5\u7ef4\u62a4\u5065\u5eb7\u548c\u5b89\u5168\u7684\u7f51\u7edc\u73af\u5883\u3002<\/p>\n<ul>\n<li>\n<p>\u8bbe\u7f6e\u76d1\u63a7\u5de5\u5177\u4ee5\u8ddf\u8e2a\u7f51\u7edc\u6307\u6807\u5e76\u914d\u7f6e\u8b66\u62a5\u3002<\/p>\n<\/li>\n<li>\n<p>\u5bf9\u6bcf\u4e2a\u8282\u70b9\u8fdb\u884c\u5b9a\u671f\u7f51\u7edc\u5065\u5eb7\u68c0\u67e5\u3002<\/p>\n<\/li>\n<li>\n<p>\u8bb0\u5f55\u7f51\u7edc\u914d\u7f6e\u548c\u6545\u969c\u6392\u9664\u7a0b\u5e8f\u3002<\/p>\n<\/li>\n<li>\n<p>\u5e94\u7528\u7f51\u7edc\u7b56\u7565\u7ba1\u7406\u7684\u6700\u4f73\u5b9e\u8df5\u3002<\/p>\n<\/li>\n<\/ul>\n<p>\u5f53\u60a8\u68c0\u67e5\u9632\u706b\u5899\u89c4\u5219\u65f6,\u68c0\u67e5\u6bcf\u4e2a\u8282\u70b9\u662f\u5426\u5141\u8bb8\u6240\u9700\u7aef\u53e3\u7684\u6d41\u91cf\u3002\u60a8\u5e94\u8be5\u9a8c\u8bc1\u5b89\u5168\u7ec4\u548c\u4e91\u9632\u706b\u5899\u662f\u5426\u5141\u8bb8\u8282\u70b9\u4e4b\u95f4\u7684\u6d41\u91cf\u3002\u8fd9\u4e9b\u6b65\u9aa4\u6709\u52a9\u4e8e\u60a8\u7ef4\u62a4\u53ef\u9760\u7684\u7f51\u7edc\u5e76\u9632\u6b62\u670d\u52a1\u8d85\u65f6\u3002<\/p>\n<h3>\u89e3\u51b3SNAT\u548c\u5185\u6838\u7ade\u4e89\u6761\u4ef6<\/h3>\n<p>\u60a8\u53ef\u4ee5\u901a\u8fc7\u8c03\u6574\u8282\u70b9\u914d\u7f6e\u6765\u89e3\u51b3kubernetes\u4e2d\u7684SNAT\u548c\u5185\u6838\u7ade\u4e89\u6761\u4ef6\u3002\u4e3a\u90e8\u7f72\u5206\u914d\u66f4\u591aCPU\u4ee5\u52a0\u5feb\u542f\u52a8\u8fc7\u7a0b\u3002\u8fd9\u786e\u4fdd\u6bcf\u4e2a\u8282\u70b9\u4e0a\u7684pod\u90fd\u51c6\u5907\u597d\u8fdb\u884c\u5065\u5eb7\u68c0\u67e5\u3002\u4e3a\u5b58\u6d3b\u63a2\u9488\u548c\u5c31\u7eea\u63a2\u9488\u8bbe\u7f6e\u66f4\u957f\u7684\u521d\u59cb\u7b49\u5f85\u65f6\u95f4,\u5e76\u5ef6\u957f\u5931\u8d25\u671f\u9650\u548c\u6d4b\u8bd5\u95f4\u9694\u3002\u8fd9\u4e9b\u66f4\u6539\u6709\u52a9\u4e8e\u6bcf\u4e2a\u8282\u70b9\u4e0a\u7684pod\u901a\u8fc7\u5065\u5eb7\u68c0\u67e5\u5e76\u907f\u514d\u8fc7\u65e9\u9a71\u9010\u3002<\/p>\n<p>\u6309\u7167\u4ee5\u4e0b\u6b65\u9aa4\u63d0\u9ad8\u5185\u6838\u548cSNAT\u7a33\u5b9a\u6027:<\/p>\n<ol>\n<li>\n<p>\u786e\u4fdd\u6bcf\u4e2a\u8282\u70b9\u4e0a\u7684Linux\u5185\u6838\u7248\u672c\u4e3a4.4\u6216\u66f4\u65b0\u7248\u672c\u3002<\/p>\n<\/li>\n<li>\n<p>\u914d\u7f6e\u7f51\u7edc\u5806\u6808\u8bbe\u7f6e,\u5305\u62ec\u8fde\u63a5\u8ddf\u8e2a\u8868\u548c\u5957\u63a5\u5b57\u7f13\u51b2\u533a,\u4ee5\u6ee1\u8db3kubernetes\u8981\u6c42\u3002<\/p>\n<\/li>\n<li>\n<p>\u8c03\u6574TCP\u8d85\u65f6\u503c\u548c\u79ef\u538b\u961f\u5217,\u4ee5\u9632\u6b62\u8282\u70b9\u4e4b\u95f4\u7684\u8fde\u63a5\u5931\u8d25\u3002<\/p>\n<\/li>\n<\/ol>\n<p>\u9ed8\u8ba4\u5185\u6838\u914d\u7f6e\u53ef\u80fd\u4f1a\u5728kubernetes\u96c6\u7fa4\u4e2d\u9020\u6210\u6027\u80fd\u74f6\u9888,\u7279\u522b\u662f\u5f53\u8282\u70b9\u627f\u53d7\u91cd\u8d1f\u8f7d\u65f6\u3002\u914d\u7f6e\u9519\u8bef\u7684\u7f51\u7edc\u53c2\u6570\u53ef\u80fd\u5bfc\u81f4\u7ea7\u8054\u6545\u969c,\u5f71\u54cdpod\u9a71\u9010\u548c\u5e94\u7528\u7a0b\u5e8f\u6027\u80fd\u3002\u9002\u5f53\u7684\u5185\u6838\u8c03\u4f18\u6709\u52a9\u4e8ekubernetes\u7ba1\u7406\u8d44\u6e90\u5e76\u5728\u6240\u6709\u8282\u70b9\u4e0a\u4fdd\u6301\u7a33\u5b9a\u3002<\/p>\n<h3>\u8c03\u6574\u7a7a\u95f2\u8d85\u65f6\u548c\u7aef\u53e3\u9650\u5236<\/h3>\n<p>\u60a8\u9700\u8981\u8c03\u6574\u7a7a\u95f2\u8d85\u65f6\u548c\u7aef\u53e3\u9650\u5236\u4ee5\u9632\u6b62kubernetes\u670d\u52a1\u8d85\u65f6\u3002\u7a7a\u95f2\u8d85\u65f6\u8bbe\u7f6e\u63a7\u5236\u8fde\u63a5\u5728\u6ca1\u6709\u6d3b\u52a8\u7684\u60c5\u51b5\u4e0b\u53ef\u4ee5\u4fdd\u6301\u6253\u5f00\u7684\u65f6\u95f4\u3002\u5982\u679c\u5c06<code>--streaming-connection-idle-timeout<\/code>\u53c2\u6570\u8bbe\u7f6e\u4e3a0,\u60a8\u5c31\u4f1a\u9762\u4e34\u62d2\u7edd\u670d\u52a1\u653b\u51fb\u548c\u8d44\u6e90\u8017\u5c3d\u7684\u98ce\u9669\u3002\u9ed8\u8ba4\u8bbe\u7f6e4\u5c0f\u65f6\u5bf9\u67d0\u4e9b\u73af\u5883\u6765\u8bf4\u53ef\u80fd\u592a\u957f\u3002\u60a8\u5e94\u8be5\u8c03\u6574\u8fd9\u4e2a\u503c\u4ee5\u6709\u6548\u7ba1\u7406\u7a7a\u95f2\u8fde\u63a5\u3002<\/p>\n<blockquote>\n<p>\u786e\u4fdd<code>--streaming-connection-idle-timeout<\/code>\u53c2\u6570\u4e0d\u8bbe\u7f6e\u4e3a0\u81f3\u5173\u91cd\u8981,\u56e0\u4e3a\u7981\u7528\u8d85\u65f6\u53ef\u80fd\u4f1a\u4f7f\u7cfb\u7edf\u9762\u4e34\u62d2\u7edd\u670d\u52a1\u653b\u51fb\u5e76\u5bfc\u81f4\u8d44\u6e90\u8017\u5c3d\u3002\u9ed8\u8ba4\u8bbe\u7f6e4\u5c0f\u65f6\u5bf9\u67d0\u4e9b\u73af\u5883\u6765\u8bf4\u53ef\u80fd\u8fc7\u957f,\u8c03\u6574\u8fd9\u4e2a\u503c\u53ef\u4ee5\u5e2e\u52a9\u6709\u6548\u7ba1\u7406\u7a7a\u95f2\u8fde\u63a5\u3002<\/p>\n<\/blockquote>\n<p>\u5728Azure Kubernetes Service\u4e2d,\u8d1f\u8f7d\u5747\u8861\u5668\u7684\u9ed8\u8ba4\u7a7a\u95f2\u8d85\u65f6\u4e3a30\u5206\u949f\u3002\u60a8\u5fc5\u987b\u5e73\u8861\u8fd9\u4e2a\u6301\u7eed\u65f6\u95f4\u4ee5\u907f\u514d\u9891\u7e41\u8d85\u65f6,\u8fd9\u4f1a\u964d\u4f4e\u7528\u6237\u4f53\u9a8c\u5e76\u589e\u52a0\u9519\u8bef\u7387\u3002\u5982\u679c\u60a8\u5c06\u8d85\u65f6\u8bbe\u7f6e\u5f97\u592a\u957f,\u60a8\u4f1a\u6d6a\u8d39\u670d\u52a1\u5668\u8d44\u6e90\u5e76\u5ef6\u8fdf\u95ee\u9898\u68c0\u6d4b\u3002<\/p>\n<blockquote>\n<p>\u5728\u8c03\u6574AKS\u4e2d\u7684\u7a7a\u95f2\u8d85\u65f6\u671f\u95f4\u65f6,\u5e73\u8861\u6301\u7eed\u65f6\u95f4\u5f88\u91cd\u8981,\u4ee5\u907f\u514d\u9891\u7e41\u8d85\u65f6\u5bfc\u81f4\u7528\u6237\u4f53\u9a8c\u4e0b\u964d\u548c\u9519\u8bef\u7387\u589e\u52a0,\u540c\u65f6\u4e5f\u8981\u9632\u6b62\u56e0\u4fdd\u6301\u7a7a\u95f2\u8fde\u63a5\u65f6\u95f4\u8fc7\u957f\u800c\u9020\u6210\u8d44\u6e90\u6d88\u8017\u3002<\/p>\n<\/blockquote>\n<p>\u7a7a\u95f2\u8d85\u65f6\u548c\u7aef\u53e3\u9650\u5236\u8bbe\u7f6e\u5728\u4e0d\u540c\u7684\u4e91\u63d0\u4f9b\u5546\u4e4b\u95f4\u6709\u6240\u4e0d\u540c\u3002\u5728AKS\u4e2d,\u4ece\u7a7a\u95f2\u6d41\u56de\u6536SNAT\u7aef\u53e3\u7684\u9ed8\u8ba4\u7a7a\u95f2\u8d85\u65f6\u4e3a30\u5206\u949f\u3002AKS\u5916\u90e8\u6807\u51c6SKU\u8d1f\u8f7d\u5747\u8861\u5668\u7684\u9ed8\u8ba4\u8d85\u65f6\u4e3a4\u5206\u949f\u3002\u66f4\u6539\u8fd9\u4e9b\u8bbe\u7f6e\u4f1a\u5f71\u54cd\u8d1f\u8f7d\u5747\u8861\u5668\u7684\u51fa\u7ad9\u89c4\u5219\u884c\u4e3a\u3002<\/p>\n<ul>\n<li>\n<p>AKS\u4ece\u7a7a\u95f2\u6d41\u56de\u6536SNAT\u7aef\u53e3\u7684\u9ed8\u8ba4\u7a7a\u95f2\u8d85\u65f6\u4e3a30\u5206\u949f\u3002<\/p>\n<\/li>\n<li>\n<p>AKS\u5916\u90e8\u7684\u6807\u51c6SKU\u8d1f\u8f7d\u5747\u8861\u5668\u9ed8\u8ba4\u8d85\u65f6\u4e3a4\u5206\u949f\u3002<\/p>\n<\/li>\n<li>\n<p>\u66f4\u6539\u7a7a\u95f2\u8d85\u65f6\u548c\u7aef\u53e3\u9650\u5236\u8bbe\u7f6e\u4f1a\u663e\u8457\u5f71\u54cd\u8d1f\u8f7d\u5747\u8861\u5668\u7684\u51fa\u7ad9\u89c4\u5219\u884c\u4e3a\u3002<\/p>\n<\/li>\n<\/ul>\n<h3>\u4fee\u590d\u670d\u52a1\u53d1\u73b0\u548c\u547d\u540d\u7a7a\u95f4\u95ee\u9898<\/h3>\n<p>\u60a8\u53ef\u4ee5\u901a\u8fc7\u68c0\u67e5\u670d\u52a1\u9009\u62e9\u5668\u548cpod\u6807\u7b7e\u6765\u4fee\u590dkubernetes\u4e2d\u7684\u670d\u52a1\u53d1\u73b0\u548c\u547d\u540d\u7a7a\u95f4\u95ee\u9898\u3002\u786e\u4fdd\u670d\u52a1\u9009\u62e9\u5668\u5339\u914dpod\u6807\u7b7e\u4ee5\u5728\u6bcf\u4e2a\u8282\u70b9\u4e0a\u521b\u5efa\u6d41\u91cf\u8def\u7531\u7684\u7aef\u70b9\u3002\u68c0\u67e5\u96c6\u7fa4\u5185\u7684DNS\u89e3\u6790\u5931\u8d25\u3002\u9a8c\u8bc1\u7f51\u7edc\u7b56\u7565\u4e0d\u4f1a\u963b\u6b62\u547d\u540d\u7a7a\u95f4\u4e4b\u95f4\u7684\u6d41\u91cf\u3002\u786e\u8ba4\u5c31\u7eea\u63a2\u9488\u6ca1\u6709\u5931\u8d25,\u8fd9\u53ef\u80fd\u4f1a\u4ece\u670d\u52a1\u8f6e\u6362\u4e2d\u79fb\u9664pod\u3002\u8c03\u67e5Istio\u6216Envoy sidecar\u4ee3\u7406\u4e2d\u7684\u4efb\u4f55\u914d\u7f6e\u9519\u8bef,\u5e76\u68c0\u67e5mTLS\u95ee\u9898\u3002<\/p>\n<ul>\n<li>\n<p>\u786e\u4fdd\u670d\u52a1\u9009\u62e9\u5668\u5339\u914dpod\u6807\u7b7e\u4ee5\u521b\u5efa\u7aef\u70b9\u3002<\/p>\n<\/li>\n<li>\n<p>\u68c0\u67e5\u96c6\u7fa4\u4e2d\u7684DNS\u89e3\u6790\u5931\u8d25\u3002<\/p>\n<\/li>\n<li>\n<p>\u9a8c\u8bc1\u7f51\u7edc\u7b56\u7565\u4e0d\u4f1a\u963b\u6b62\u547d\u540d\u7a7a\u95f4\u4e4b\u95f4\u7684\u6d41\u91cf\u3002<\/p>\n<\/li>\n<li>\n<p>\u786e\u8ba4\u6bcf\u4e2a\u8282\u70b9\u4e0a\u7684\u5c31\u7eea\u63a2\u9488\u90fd\u5728\u901a\u8fc7\u3002<\/p>\n<\/li>\n<li>\n<p>\u8c03\u67e5Istio\/Envoy sidecar\u4ee3\u7406\u6216mTLS\u4e2d\u7684\u914d\u7f6e\u9519\u8bef\u3002<\/p>\n<\/li>\n<\/ul>\n<p>\u60a8\u53ef\u4ee5\u4f7f\u7528\u76d1\u63a7\u5de5\u5177\u6765\u65e9\u671f\u68c0\u6d4b\u670d\u52a1\u53d1\u73b0\u548c\u547d\u540d\u7a7a\u95f4\u95ee\u9898\u3002Kubewatch\u76d1\u89c6\u8d44\u6e90\u53d8\u5316\u5e76\u89e6\u53d1\u901a\u77e5\u3002\u5b83\u8ddf\u8e2a\u90e8\u7f72\u72b6\u6001\u53d8\u5316\u3001pod\u751f\u547d\u5468\u671f\u4e8b\u4ef6\u548c\u670d\u52a1\u7aef\u70b9\u53ef\u7528\u6027\u3002Dynatrace\u63d0\u4f9b\u8de8kubernetes\u4e8b\u4ef6\u7684\u53ef\u89c1\u6027,\u5e76\u5e2e\u52a9\u60a8\u5728\u95ee\u9898\u5f71\u54cd\u8282\u70b9\u4e4b\u524d\u68c0\u6d4b\u95ee\u9898\u3002<\/p>\n<div fullwidth=\"\" class=\"qc-default-table-wrapper\">\n<table style=\"min-width: 50px;\">\n<colgroup>\n<col style=\"min-width: 25px;\">\n<col style=\"min-width: 25px;\"><\/colgroup>\n<tbody>\n<tr>\n<th colspan=\"1\" rowspan=\"1\">\n<p>\u5de5\u5177<\/p>\n<\/th>\n<th colspan=\"1\" rowspan=\"1\">\n<p>\u529f\u80fd<\/p>\n<\/th>\n<\/tr>\n<tr>\n<td colspan=\"1\" rowspan=\"1\">\n<p>Kubewatch<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u76d1\u89c6\u8d44\u6e90\u53d8\u5316\u3001\u90e8\u7f72\u72b6\u6001\u901a\u77e5\u3001pod\u751f\u547d\u5468\u671f\u8ddf\u8e2a\u3001\u914d\u7f6e\u8b66\u62a5\u3001\u670d\u52a1\u7aef\u70b9\u76d1\u63a7\u3001\u547d\u540d\u7a7a\u95f4\u914d\u989d\u8fdd\u89c4\u68c0\u6d4b<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td colspan=\"1\" rowspan=\"1\">\n<p>Dynatrace<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u8de8kubernetes\u4e8b\u4ef6\u7684\u5168\u9762\u53ef\u89c1\u6027,\u65e9\u671f\u68c0\u6d4b\u670d\u52a1\u53d1\u73b0\u548c\u547d\u540d\u7a7a\u95f4\u95ee\u9898<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p>Kubernetes\u76d1\u63a7\u6d89\u53ca\u5728\u96c6\u7fa4\u3001\u8282\u70b9\u3001pod\u548c\u5bb9\u5668\u4e2d\u6536\u96c6\u548c\u5ba1\u67e5\u64cd\u4f5c\u6570\u636e\u3002\u901a\u8fc7\u76d1\u63a7\u60a8\u7684kubernetes\u73af\u5883,\u60a8\u53ef\u4ee5\u8bc6\u522b\u95ee\u9898\u3001\u8ddf\u8e2a\u5e94\u7528\u7a0b\u5e8f\u6027\u80fd\u5e76\u9632\u6b62\u95ee\u9898\u5347\u7ea7\u3002<\/p>\n<h2>\u5feb\u901f\u6545\u969c\u6392\u9664\u6e05\u5355<\/h2>\n<h3>Kubernetes\u670d\u52a1\u7684\u5373\u65f6\u64cd\u4f5c<\/h3>\n<p>\u5f53\u60a8\u6ce8\u610f\u5230kubernetes\u670d\u52a1\u5728\u591a\u4e2a\u5de5\u4f5c\u8282\u70b9\u4e0a\u8d85\u65f6\u65f6,\u60a8\u9700\u8981\u5feb\u901f\u91c7\u53d6\u884c\u52a8\u3002\u9996\u5148\u68c0\u67e5\u6bcf\u4e2a\u8282\u70b9\u7684\u5065\u5eb7\u72b6\u51b5\u3002\u5bfb\u627eCPU\u6216\u5185\u5b58\u4e0d\u8db3\u7684\u8ff9\u8c61\u3002\u5982\u679c\u8282\u70b9\u8d44\u6e90\u8017\u5c3d,kubernetes\u670d\u52a1\u53ef\u80fd\u65e0\u6cd5\u54cd\u5e94\u3002\u60a8\u5e94\u8be5\u76d1\u63a7\u6bcf\u4e2a\u8282\u70b9\u7684\u8d44\u6e90\u4f7f\u7528\u60c5\u51b5\u4ee5\u5c3d\u65e9\u53d1\u73b0\u95ee\u9898\u3002\u68c0\u67e5\u6bcf\u4e2a\u8282\u70b9\u4e0akubelet\u548ckube-proxy\u7684\u65e5\u5fd7\u3002\u8fd9\u4e9b\u65e5\u5fd7\u901a\u5e38\u4f1a\u663e\u793a\u6307\u5411\u6839\u672c\u539f\u56e0\u7684\u9519\u8bef\u6216\u8b66\u544a\u3002\u786e\u4fdd\u6240\u6709kubernetes\u7ec4\u4ef6\u90fd\u5728\u6bcf\u4e2a\u8282\u70b9\u4e0a\u6309\u9884\u671f\u8fd0\u884c\u3002\u4ececAdvisor\u6536\u96c6\u6307\u6807\u4ee5\u83b7\u53d6\u6bcf\u4e2a\u8282\u70b9\u4e0a\u5bb9\u5668\u4f7f\u7528\u60c5\u51b5\u7684\u8be6\u7ec6\u4fe1\u606f\u3002\u68c0\u67e5\u5de5\u4f5c\u8d1f\u8f7d\u7684\u4e8b\u4ef6\u548c\u65e5\u5fd7\u4ee5\u53d1\u73b0\u53ef\u80fd\u5f71\u54cdkubernetes\u670d\u52a1\u53ef\u7528\u6027\u7684\u5e94\u7528\u7a0b\u5e8f\u95ee\u9898\u3002<\/p>\n<ul>\n<li>\n<p>\u76d1\u63a7\u6bcf\u4e2a\u8282\u70b9\u7684\u8d44\u6e90\u4f7f\u7528\u60c5\u51b5\u4ee5\u907f\u514dCPU\u548c\u5185\u5b58\u4e0d\u8db3\u3002<\/p>\n<\/li>\n<li>\n<p>\u68c0\u67e5\u6bcf\u4e2a\u8282\u70b9\u4e0akubelet\u548ckube-proxy\u7684\u65e5\u5fd7\u662f\u5426\u6709\u9519\u8bef\u6216\u8b66\u544a\u3002<\/p>\n<\/li>\n<li>\n<p>\u786e\u4fdd\u6240\u6709kubernetes\u7ec4\u4ef6\u5728\u6bcf\u4e2a\u8282\u70b9\u4e0a\u90fd\u6b63\u5e38\u5de5\u4f5c\u3002<\/p>\n<\/li>\n<li>\n<p>\u4ececAdvisor\u6536\u96c6\u6307\u6807\u4ee5\u83b7\u53d6\u6bcf\u4e2a\u8282\u70b9\u4e0a\u8be6\u7ec6\u7684\u5bb9\u5668\u4f7f\u7528\u60c5\u51b5\u3002<\/p>\n<\/li>\n<li>\n<p>\u68c0\u67e5\u5de5\u4f5c\u8d1f\u8f7d\u7684\u4e8b\u4ef6\u548c\u65e5\u5fd7\u4ee5\u8bc6\u522b\u4efb\u4f55\u8282\u70b9\u4e0a\u7684\u5e94\u7528\u7a0b\u5e8f\u95ee\u9898\u3002<\/p>\n<\/li>\n<\/ul>\n<blockquote>\n<p>\u63d0\u793a: \u60a8\u53ef\u4ee5\u4f7f\u7528<code>kubectl top node<\/code>\u548c<code>kubectl logs<\/code>\u5feb\u901f\u4ece\u6bcf\u4e2a\u8282\u70b9\u6536\u96c6\u8d44\u6e90\u548c\u9519\u8bef\u4fe1\u606f\u3002<\/p>\n<\/blockquote>\n<h3>\u672a\u6765\u7a33\u5b9a\u6027\u7684\u9884\u9632\u6b65\u9aa4<\/h3>\n<p>\u901a\u8fc7\u9075\u5faa\u591a\u8282\u70b9\u96c6\u7fa4\u7684\u6700\u4f73\u5b9e\u8df5,\u60a8\u53ef\u4ee5\u964d\u4f4ekubernetes\u670d\u52a1\u8d85\u65f6\u7684\u98ce\u9669\u3002\u4e0b\u8868\u5217\u51fa\u4e86\u4fdd\u6301kubernetes\u73af\u5883\u5728\u6bcf\u4e2a\u8282\u70b9\u4e0a\u7a33\u5b9a\u53ef\u9760\u7684\u5173\u952e\u6b65\u9aa4\u3002<\/p>\n<div fullwidth=\"\" class=\"qc-default-table-wrapper\">\n<table style=\"min-width: 50px;\">\n<colgroup>\n<col style=\"min-width: 25px;\">\n<col style=\"min-width: 25px;\"><\/colgroup>\n<tbody>\n<tr>\n<th colspan=\"1\" rowspan=\"1\">\n<p>\u9884\u9632\u6b65\u9aa4<\/p>\n<\/th>\n<th colspan=\"1\" rowspan=\"1\">\n<p>\u63cf\u8ff0<\/p>\n<\/th>\n<\/tr>\n<tr>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u8bbe\u7f6e\u8f83\u5c0f\u7684\u8d85\u65f6\u503c<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u51c6\u5165webhook\u5e94\u5feb\u901f\u8bc4\u4f30\u4ee5\u6700\u5c0f\u5316\u6bcf\u4e2a\u8282\u70b9\u4e0a\u7684API\u8bf7\u6c42\u5ef6\u8fdf\u3002<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u4f7f\u7528\u8d1f\u8f7d\u5747\u8861\u5668<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u901a\u8fc7\u5728\u8282\u70b9\u95f4\u5206\u914d\u6d41\u91cf\u786e\u4fddwebhook\u53ef\u7528\u6027\u5e76\u63d0\u9ad8\u6027\u80fd\u3002<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u4f7f\u7528\u9ad8\u53ef\u7528\u6027\u6a21\u578b<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u5728\u8282\u70b9\u505c\u673a\u6216\u6545\u969c\u671f\u95f4\u7ef4\u6301\u670d\u52a1,\u964d\u4f4e\u4efb\u4f55\u8282\u70b9\u8d85\u65f6\u7684\u98ce\u9669\u3002<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u5931\u8d25\u5f00\u653e\u5e76\u9a8c\u8bc1\u6700\u7ec8\u72b6\u6001<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u5c06webhook\u914d\u7f6e\u4e3a&#8221;\u5931\u8d25\u5f00\u653e&#8221;\u53ef\u9632\u6b62\u8282\u70b9\u505c\u673a\u671f\u95f4\u5408\u89c4\u8bf7\u6c42\u88ab\u62d2\u7edd\u3002<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p>\u60a8\u5e94\u8be5\u5b9a\u671f\u6d4b\u8bd5\u60a8\u7684kubernetes\u96c6\u7fa4\u4ee5\u786e\u8ba4\u6bcf\u4e2a\u8282\u70b9\u90fd\u53ef\u4ee5\u5904\u7406\u6d41\u91cf\u548c\u5de5\u4f5c\u8d1f\u8f7d\u3002\u8bb0\u5f55\u60a8\u7684\u7f51\u7edc\u7b56\u7565\u548c\u8282\u70b9\u914d\u7f6e\u3002\u57f9\u8bad\u60a8\u7684\u56e2\u961f\u8bc6\u522b\u4efb\u4f55\u8282\u70b9\u4e0a\u7684\u65e9\u671f\u8b66\u544a\u4fe1\u53f7\u3002\u901a\u8fc7\u9075\u5faa\u8fd9\u4e9b\u6b65\u9aa4,\u60a8\u53ef\u4ee5\u5e2e\u52a9\u9632\u6b62\u5c06\u6765\u7684kubernetes\u670d\u52a1\u8d85\u65f6\u5e76\u4fdd\u6301\u96c6\u7fa4\u5065\u5eb7\u3002<\/p>\n<div dividerstyle=\"solid\" size=\"large\" color=\"#D1D1D1\" class=\"qc-divider-wrapper\">\n<div class=\"qc-divider\" style=\"border-top-style: solid; width: 100%; border-top-color: rgb(209, 209, 209);\"><\/div>\n<\/div>\n<p>\u901a\u8fc7\u9075\u5faa\u7cfb\u7edf\u65b9\u6cd5,\u60a8\u53ef\u4ee5\u5728\u6bcf\u4e2a\u8282\u70b9\u4e0a\u7ef4\u62a4\u53ef\u9760\u7684kubernetes\u670d\u52a1\u8fde\u63a5\u3002\u81ea\u52a8\u670d\u52a1\u53d1\u73b0\u548c\u5185\u7f6e\u8d1f\u8f7d\u5747\u8861\u7b80\u5316\u4e86kubernetes\u670d\u52a1\u4e4b\u95f4\u7684\u901a\u4fe1\u5e76\u5728\u6bcf\u4e2a\u8282\u70b9\u4e0a\u5747\u5300\u5206\u914d\u6d41\u91cf\u3002\u59cb\u7ec8\u4f7f\u7528kubectl\u547d\u4ee4\u9a8c\u8bc1\u6bcf\u4e2a\u8282\u70b9\u4e0a\u7684\u6d3b\u52a8kubernetes\u670d\u52a1\u548c\u7aef\u70b9\u3002\u4e00\u81f4\u7684\u6807\u7b7e\u548c\u5c31\u7eea\u63a2\u9488\u786e\u4fdd\u5065\u5eb7\u7684pod\u5728\u6bcf\u4e2a\u8282\u70b9\u4e0a\u63a5\u6536\u6d41\u91cf\u3002\u9ed8\u8ba4\u9650\u5236\u516c\u5171\u8bbf\u95ee\u4ee5\u786e\u4fddkubernetes\u96c6\u7fa4\u7684\u5b89\u5168\u3002\u5b9a\u671f\u96c6\u7fa4\u5065\u5eb7\u68c0\u67e5\u5e2e\u52a9\u60a8\u53ca\u65e9\u53d1\u73b0\u4efb\u4f55\u8282\u70b9\u4e0a\u7684\u95ee\u9898\u3002\u8bb0\u5f55\u60a8\u7684\u6545\u969c\u6392\u9664\u6b65\u9aa4\u5e76\u4e0e\u56e2\u961f\u5206\u4eab\u89e3\u51b3\u65b9\u6848\u4ee5\u63d0\u9ad8kubernetes\u7684\u53ef\u9760\u6027\u3002<\/p>\n<ul>\n<li>\n<p>\u4f7f\u7528kubectl get services\u548ckubectl get endpoints\u68c0\u67e5\u6bcf\u4e2a\u8282\u70b9\u4e0a\u7684kubernetes\u670d\u52a1\u6d3b\u52a8\u3002<\/p>\n<\/li>\n<li>\n<p>\u76d1\u63a7\u8d44\u6e90\u4f7f\u7528\u60c5\u51b5\u5e76\u9a8c\u8bc1\u6bcf\u4e2a\u8282\u70b9\u7684\u914d\u7f6e\u6587\u4ef6\u3002<\/p>\n<\/li>\n<li>\n<p>\u5206\u4eab\u77e5\u8bc6\u5e76\u4fdd\u7559\u8bb0\u5f55\u4ee5\u5e2e\u52a9\u5c06\u6765\u5728\u4efb\u4f55\u8282\u70b9\u4e0a\u8fdb\u884ckubernetes\u6545\u969c\u6392\u9664\u3002<\/p>\n<\/li>\n<\/ul>\n<blockquote>\n<p>\u63d0\u793a: \u7cfb\u7edf\u8c03\u8bd5\u548c\u4e3b\u52a8\u914d\u7f6e\u53ef\u4ee5\u4fdd\u6301kubernetes\u670d\u52a1\u5728\u6bcf\u4e2a\u8282\u70b9\u4e0a\u7684\u7a33\u5b9a\u6027\u3002<\/p>\n<\/blockquote>\n<h2>FAQ<\/h2>\n<h3>\u4e3a\u4ec0\u4e48kubernetes\u670d\u52a1\u4f1a\u5728\u591a\u4e2a\u8282\u70b9\u4e0a\u8d85\u65f6\uff1f<\/h3>\n<p>\u60a8\u7ecf\u5e38\u4f1a\u56e0\u4e3a\u7f51\u7edc\u914d\u7f6e\u9519\u8bef\u3001\u9632\u706b\u5899\u89c4\u5219\u6216SNAT\u95ee\u9898\u800c\u770b\u5230\u8d85\u65f6\u3002\u68c0\u67e5\u60a8\u7684kubernetes\u96c6\u7fa4\u7684\u8d44\u6e90\u9650\u5236\u5e76\u9a8c\u8bc1\u6240\u6709\u8282\u70b9\u662f\u5426\u5177\u6709\u9002\u5f53\u7684\u8fde\u63a5\u3002<\/p>\n<h3>\u5982\u4f55\u5feb\u901f\u68c0\u67e5kubernetes\u670d\u52a1\u5065\u5eb7\u72b6\u51b5\uff1f<\/h3>\n<p>\u8fd0\u884c<code>kubectl get services<\/code>\u548c<code>kubectl get endpoints<\/code>\u3002\u8fd9\u4e9b\u547d\u4ee4\u663e\u793a\u6d3b\u52a8\u7684kubernetes\u670d\u52a1\u53ca\u5176\u7aef\u70b9\u3002\u60a8\u53ef\u4ee5\u5feb\u901f\u53d1\u73b0\u7f3a\u5931\u7684\u7aef\u70b9\u6216\u4e0d\u5065\u5eb7\u7684\u670d\u52a1\u3002<\/p>\n<h3>\u54ea\u4e9b\u5de5\u5177\u6709\u52a9\u4e8e\u76d1\u63a7kubernetes\u7f51\u7edc\u95ee\u9898\uff1f<\/h3>\n<p>\u60a8\u53ef\u4ee5\u4f7f\u7528Prometheus\u3001Grafana\u548cDynatrace\u3002\u8fd9\u4e9b\u5de5\u5177\u8ddf\u8e2akubernetes\u6307\u6807,\u63d0\u9192\u60a8\u5f02\u5e38\u60c5\u51b5,\u5e76\u5e2e\u52a9\u60a8\u5728\u95ee\u9898\u5f71\u54cd\u96c6\u7fa4\u4e4b\u524d\u53d1\u73b0\u7f51\u7edc\u95ee\u9898\u3002<\/p>\n<h3>\u5982\u679ckubernetes\u8282\u70b9\u672a\u5c31\u7eea\u8be5\u600e\u4e48\u529e\uff1f<\/h3>\n<p>\u4f7f\u7528<code>kubectl get nodes<\/code>\u68c0\u67e5\u8282\u70b9\u72b6\u6001\u3002\u67e5\u627e\u8d44\u6e90\u538b\u529b\u6216\u63a2\u9488\u5931\u8d25\u3002\u5982\u6709\u9700\u8981\u91cd\u542f\u8282\u70b9\u3002\u786e\u4fddkubelet\u548ckube-proxy\u5728\u6bcf\u4e2akubernetes\u8282\u70b9\u4e0a\u8fd0\u884c\u3002<\/p>\n<h3>\u5982\u4f55\u4fee\u590dkubernetes\u4e2d\u7684\u670d\u52a1\u53d1\u73b0\u95ee\u9898\uff1f<\/h3>\n<p>\u9a8c\u8bc1\u670d\u52a1\u9009\u62e9\u5668\u662f\u5426\u5339\u914dpod\u6807\u7b7e\u3002\u68c0\u67e5kubernetes\u96c6\u7fa4\u5185\u7684DNS\u89e3\u6790\u3002\u68c0\u67e5\u7f51\u7edc\u7b56\u7565\u4ee5\u786e\u4fdd\u547d\u540d\u7a7a\u95f4\u548c\u670d\u52a1\u4e4b\u95f4\u7684\u6d41\u91cf\u7545\u901a\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u60a8\u53ef\u80fd\u4f1a\u6ce8\u610f\u5230kubernetes\u670d\u52a1\u5728\u5de5\u4f5c\u8282\u70b9\u4e4b\u95f4\u51fa\u73b0\u8d85\u65f6,\u7279\u522b\u662f\u5728\u65e5\u672c\u670d\u52a1\u5668\u79df\u7528\u96c6\u7fa4\u4e2d,\u7531\u4e8e\u5730\u7406\u5206\u5e03,\u7f51\u7edc\u5ef6\u8fdf\u53ef\u80fd\u66f4\u52a0\u660e\u663e\u3002\u8fd9\u901a\u5e38\u662f\u7531\u4e8e\u7f51\u7edc\u95ee\u9898\u3001\u5185\u6838SNAT\u95ee\u9898\u6216\u670d\u52a1\u53d1\u73b0\u5931\u8d25\u9020\u6210\u7684\u3002\u5728\u8bb8\u591a\u60c5\u51b5\u4e0b,\u5f53\u96c6\u7fa4\u9762\u4e34DNS\u95ee\u9898\u3001\u7f51\u7edc\u914d\u7f6e\u9519\u8bef\u6216\u8d44\u6e90\u9650\u5236\u65f6,kubernetes\u670d\u52a1\u4f1a\u51fa\u73b0\u8fde\u63a5\u4e2d\u65ad\u6216\u901f\u5ea6\u51cf\u6162 &#8211; \u8fd9\u4e9b\u6311\u6218\u5728\u8fde\u63a5\u5230\u8de8\u4e0d\u540c\u533a\u57df\u7684\u65e5\u672c\u670d\u52a1\u5668\u79df\u7528\u57fa\u7840\u8bbe\u65bd\u65f6\u5c24\u4e3a\u5e38\u89c1\u3002\u67e5\u770b\u4e0b\u8868\u4ee5\u4e86\u89e3\u5728\u65e5\u672c\u670d\u52a1\u5668\u79df\u7528\u73af\u5883\u548c\u5168\u7403kubernetes\u90e8\u7f72\u4e2d\u6700\u5e38\u89c1\u7684\u6839\u672c\u539f\u56e0: \u6839\u672c\u539f\u56e0 \u63cf\u8ff0 DNS\u95ee\u9898 DNS\u89e3\u6790\u95ee\u9898\u53ef\u80fd\u5bfc\u81f4Kubernetes\u4e2d\u7684\u670d\u52a1\u8d85\u65f6\u3002 \u7f51\u7edc\u95ee\u9898 \u7f51\u7edc\u914d\u7f6e\u9519\u8bef\u6216\u6545\u969c\u53ef\u80fd\u5bfc\u81f4\u5ef6\u8fdf\u548c\u8d85\u65f6\u3002 \u8d44\u6e90\u5206\u914d \u5206\u914d\u7ed9pod\u7684\u8d44\u6e90\u4e0d\u8db3\u53ef\u80fd\u5bfc\u81f4\u6027\u80fd\u95ee\u9898\u3002 \u5728\u5347\u7ea7\u8fc7\u7a0b\u4e2d,\u5982\u679cwebhook\u53d8\u5f97\u65e0\u54cd\u5e94,Kubernetes\u670d\u52a1\u4e5f\u53ef\u80fd\u5931\u8d25,\u5bfc\u81f4\u8fde\u63a5\u9519\u8bef\u3002\u5f53\u60a8\u770b\u5230\u95f4\u6b47\u6027\u8d85\u65f6\u6216\u8282\u70b9\u672a\u5c31\u7eea\u65f6,\u8bf7\u9996\u5148\u68c0\u67e5\u8fd9\u4e9b\u95ee\u9898\u3002\u5feb\u901f\u6545\u969c\u6392\u9664\u6709\u52a9\u4e8e\u6062\u590dkubernetes\u670d\u52a1\u5e76\u9632\u6b62\u8fde\u63a5\u95ee\u9898\u6269\u6563\u3002 \u5173\u952e\u8981\u70b9 Kubernetes\u670d\u52a1\u53ef\u80fd\u7531\u4e8e\u7f51\u7edc\u95ee\u9898\u3001DNS\u95ee\u9898\u6216\u8d44\u6e90\u4e0d\u8db3\u800c\u8d85\u65f6\u3002\u8bc6\u522b\u8fd9\u4e9b\u6839\u672c\u539f\u56e0\u5bf9\u89e3\u51b3\u95ee\u9898\u81f3\u5173\u91cd\u8981\u3002 \u5b9a\u671f\u68c0\u67e5\u8282\u70b9\u548cpod\u7684\u5065\u5eb7\u72b6\u51b5\u3002\u4f7f\u7528&#8217;kubectl get pods&#8217;\u7b49\u547d\u4ee4\u76d1\u63a7\u5176\u72b6\u6001\u5e76\u786e\u4fdd\u5b83\u4eec\u5df2\u51c6\u5907\u597d\u5904\u7406\u6d41\u91cf\u3002 \u68c0\u67e5\u7f51\u7edc\u7b56\u7565\u548c\u9632\u706b\u5899\u89c4\u5219\u4ee5\u786e\u4fdd\u5141\u8bb8\u5fc5\u8981\u7684\u6d41\u91cf\u3002\u914d\u7f6e\u9519\u8bef\u53ef\u80fd\u4f1a\u963b\u6b62\u8282\u70b9\u4e4b\u95f4\u7684\u901a\u4fe1\u5e76\u5bfc\u81f4\u8d85\u65f6\u3002 \u8c03\u6574\u7a7a\u95f2\u8d85\u65f6\u548c\u7aef\u53e3\u9650\u5236\u4ee5\u6709\u6548\u7ba1\u7406\u8fde\u63a5\u3002\u8fd9\u6709\u52a9\u4e8e\u9632\u6b62\u670d\u52a1\u4e2d\u65ad\u5e76\u63d0\u9ad8\u6574\u4f53\u6027\u80fd\u3002 \u4f7f\u7528Prometheus\u548cGrafana\u7b49\u76d1\u63a7\u5de5\u5177\u6765\u8ddf\u8e2a\u7f51\u7edc\u6307\u6807\u3002\u5b9a\u671f\u5065\u5eb7\u68c0\u67e5\u53ef\u4ee5\u5e2e\u52a9\u60a8\u5728\u95ee\u9898\u5347\u7ea7\u4e4b\u524d\u53d1\u73b0\u95ee\u9898\u3002 \u8bc6\u522b\u95f4\u6b47\u6027\u8d85\u65f6\u75c7\u72b6 Kubernetes\u670d\u52a1\u4e2d\u7684\u9519\u8bef\u65e5\u5fd7 \u60a8\u53ef\u4ee5\u901a\u8fc7\u68c0\u67e5\u9519\u8bef\u65e5\u5fd7\u548c\u76d1\u63a7\u8fde\u63a5\u5c1d\u8bd5\u6765\u53d1\u73b0Kubernetes\u670d\u52a1\u4e2d\u7684\u95f4\u6b47\u6027\u8d85\u65f6\u3002\u8bb8\u591a\u7528\u6237\u5728\u4e0eKubernetes API\u670d\u52a1\u5668\u4ea4\u4e92\u65f6\u4f1a\u770b\u5230API\u8bf7\u6c42\u8d85\u65f6\u3002\u60a8\u53ef\u80fd\u4f1a\u5728\u5e94\u7528\u7a0b\u5e8f\u65e5\u5fd7\u4e2d\u6ce8\u610f\u5230\u9519\u8bef\u6216\u547d\u4ee4\u5931\u8d25\u3002\u6709\u65f6,\u5728\u8bbf\u95ee\u5e94\u7528\u7a0b\u5e8f\u65f6\u4f1a\u9047\u5230\u8d85\u65f6,\u8fd9\u53ef\u80fd\u8868\u660e\u96c6\u7fa4\u7ec4\u4ef6\u5b58\u5728\u6027\u80fd\u95ee\u9898\u3002 \u5bfb\u627e\u8fd9\u4e9b\u5e38\u89c1\u8ff9\u8c61: API\u8bf7\u6c42\u8d85\u65f6 \u8bbf\u95ee\u670d\u52a1\u65f6\u51fa\u73b0\u95f4\u6b47\u6027\u8d85\u65f6 \u96c6\u7fa4\u7ec4\u4ef6\u7684\u6027\u80fd\u95ee\u9898 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