{"id":10757,"date":"2024-04-29T21:05:44","date_gmt":"2024-04-29T13:05:44","guid":{"rendered":"https:\/\/egonlin.com\/?p=10757"},"modified":"2024-04-29T21:07:29","modified_gmt":"2024-04-29T13:07:29","slug":"k8s%e5%8d%87%e7%ba%a7","status":"publish","type":"post","link":"https:\/\/egonlin.com\/?p=10757","title":{"rendered":"k8s\u5347\u7ea7"},"content":{"rendered":"<p class=\"md-end-block md-p\"><span class=\"md-plain\">Kubernetes\u96c6\u7fa4\u4e0d\u662f\u5728\u5347\u7ea7\uff0c\u5c31\u662f\u5728\u5347\u7ea7\u7684\u8def\u4e0a\u3002\u800c\u5bf9\u4e8e\u7ef4\u62a4K8s\u96c6\u7fa4\u7684\u56e2\u961f\u6765\u8bf4\uff0c\u6700\u62c5\u5fc3\u7684\u83ab\u8fc7\u4e8e\uff0c\u7cfb\u7edf\u56e0\u4e3aK8s\u5347\u7ea7\u800c\u5f15\u53d1\u4e86\u670d\u52a1\u5668\u5927\u89c4\u6a21\u5d29\u6e83\u3002<\/span><\/p>\n<p><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/egonlin.com\/wp-content\/uploads\/2024\/04\/464003e79b379a0aff06711d711d260bffcf62.png'><img class=\"lazyload lazyload-style-2\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" class=\"alignnone size-full wp-image-10758\" data-original=\"https:\/\/egonlin.com\/wp-content\/uploads\/2024\/04\/464003e79b379a0aff06711d711d260bffcf62.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" width=\"336\" height=\"351\" \/><\/div><\/p>\n<p>\u76ee\u524dk8s\u5c1a\u672a\u63d0\u4f9bLTS\u7248<\/p>\n<p>&nbsp;<\/p>\n<p>\u5b98\u65b9k8s\u7248\u672c\u66f4\u8fed\u592a\u5feb\uff0c\u516c\u53f8\u8ddf\u4e0d\u4e0a\u8282\u594f<\/p>\n<pre class=\"code\">\u4f01\u4e1a\u671f\u671b\u7a33\u5b9a\u6027\u5e76\u4e0d\u662f\u51fa\u4e8e\u4fdd\u5b88\u6216\u60f0\u6027\uff0c\u800c\u662f\u592a\u591a\u73b0\u5b9e\u7684\u539f\u56e0\u2014\u2014\u5ba2\u6237\u4e0e\u4f9b\u5e94\u5546\u8fbe\u6210\u7684\u5408\u540c\u3001\u76d1\u7ba1\u548c\u6cd5\u5b9a\u8981\u6c42\u3001\u6280\u672f\u98ce\u9669\u653f\u7b56\u7684\u9650\u5236\uff0c\u90fd\u5728\u6b64\u5217\u3002\r\n\r\n\u4f46\u4e3a\u4e86\u7075\u6d3b\u800c\u751f\u7684K8s\uff0c\u4f3c\u4e4e\u5728\u4f5c\u4e3a\u57fa\u7840\u8bbe\u65bd\u7684\u5c42\u9762\u4e0a\uff0c\u5e76\u4e0d\u662f\u4e00\u4e2a\u8db3\u591f\u7a33\u91cd\u7684\u642d\u6863\uff0c\u5b83\u7684\u66f4\u65b0\u901f\u5ea6\u975e\u5e38\u5feb\uff0c\u5927\u5927\u8d85\u51fa\u4e1a\u52a1\u8fed\u4ee3\u3002\r\n\r\n\u5373\u4fbfK8s\u793e\u533a\u652f\u6301\u7684\u6df1\u5ea6\u548c\u5e7f\u5ea6\u8db3\u591f\u53ef\u9760\u7684\u652f\u6301\u4f7f\u7528\u8005\u80fd\u4ece\u793e\u533a\u7c7b\u4f3c\u7684\u95ee\u9898\u4e2d\u627e\u5230\u7b54\u6848\uff0c\u5373\u4fbf\u5927\u591a\u6570\u7ec4\u7ec7\u80fd\u591f\u5fcd\u53d7\u90e8\u7f72K8s\u7684\u75db\u82e6\uff0c\u4f46\u9891\u7e41\u7684\u5347\u7ea7\u64cd\u4f5c\u5374\u8ba9\u8bb8\u591a\u7528\u6237\u53eb\u82e6\u4e0d\u8fed\u3002\r\n\r\n\u4e0d\u65ad\u91cd\u5199\u4e1c\u897f\uff0c\u5bf9\u4e8e\u4e2d\u5c0f\u578b\u56e2\u961f\u800c\u8a00\u51e0\u4e4e\u662f\u4e0d\u53ef\u80fd\u7684\u3002\r\n<\/pre>\n<p>\u8ddf\u4e0aK8s\u7248\u672c\u53d1\u5e03\u8282\u594f\uff0c\u6709\u591a\u96be<\/p>\n<pre class=\"code\">Kubernetes \u9075\u5faa\u201cN-2\u201d\u652f\u6301\u653f\u7b56\uff08\u6700\u8fd1\u7684 3 \u4e2a\u6b21\u8981\u7248\u672c\u83b7\u5f97\u5b89\u5168\u548c\u9519\u8bef\u4fee\u590d\uff09\u4ee5\u53ca\u201c15\u5468\u201d\u7684\u53d1\u5e03\u5468\u671f\u3002\r\n\u56e0\u6b64\uff0c\u4e00\u4e2a\u7248\u672c\u4f1a\u652f\u630114\u4e2a\u6708\uff0812 \u4e2a\u6708\u7684\u652f\u6301\u671f\u548c 2 \u4e2a\u6708\u7684\u5347\u7ea7\u671f\uff09\u3002<\/pre>\n<p><span style=\"background-color: #ff0000;\">\u5347\u7ea7\u7684\u96be\u5ea6\u8981\u5927\u4e8e\u91cd\u65b0\u90e8\u4e00\u5957<\/span><\/p>\n<p>&nbsp;<\/p>\n<p>\u5b98\u7f51\u5347\u7ea7\u65b9\u6848\uff1ahttps:\/\/kubernetes.io\/zh-cn\/docs\/tasks\/administer-cluster\/kubeadm\/kubeadm-upgrade\/<\/p>\n<p>&nbsp;<\/p>\n<pre class=\"code\">\u6bd4\u8f83\u9760\u8c31\u7684\u5347\u7ea7\u65b9\u6848\r\n\r\n1\u3001\u516c\u53f8\u6709\u4e00\u5b9a\u89c4\u6a21\uff0c\u67b6\u6784\u65f6\uff1a\u91c7\u7528\u5f02\u5730\u53cc\u6d3b\u7684\u65b9\u6848\uff0cDNS\u5c42\u8f6e\u8be2AB\u4e24\u4e2a\u673a\u623f\r\n\t\u5347\u7ea7\u65f6\uff0cdns\u89e3\u6790\u53bb\u6389\u4e00\u4e2a\u673a\u623f\uff0c\u8fdb\u884c\u4e13\u95e8\u7684\u5347\u7ea7\uff08\u91cd\u90e8\u4e00\u5957\u65b0\u7684\uff09\uff0c\u540e\u518d\u52a0\u5165\uff0c\u7136\u540e\u518d\u5347\u7ea7\u53e6\u5916\u4e00\u4e2a\u673a\u623f\r\n\t-----\u300b\u672c\u8d28\u5c31\u662f\u84dd\u7eff\u53d1\u5e03\r\n\t\r\n2\u3001\u5982\u679c\u516c\u53f8\u89c4\u6a21\u5f88\u5c0f\uff0c\u5c31\u4e00\u5957k8s\u96c6\u7fa4\uff0c\u4f46\u7528\u7684\u90fd\u662f\u4e91\u4e3b\u673a\uff0c\u90a3\u5efa\u8bae\u8fd8\u662f\u84dd\u7eff\u6700\u9760\u8c31\r\n\r\n3\u3001\u5982\u679c\u516c\u53f8\u89c4\u6a21\u5f88\u5c0f\uff0c\u5c31\u4e00\u5957k8s\u96c6\u7fa4\uff0c\u5e76\u4e14\u7528\u7684\u90fd\u662f\u7269\u7406\u673a\uff0c\u8fd9\u79cd\u53ea\u80fd\u6309\u90e8\u5c31\u73ed\u7684\u5347\u7ea7\uff0c\u63d0\u524d\u5728\u6d4b\u8bd5\u73af\u5883\u6f14\u7ec3\u597d\uff0c\u505a\u597d\u56de\u6eda\u65b9\u6848\uff0c\u5728\u665a\u4e0a\u8fdb\u884c\uff0c\u5f00\u53d1\u3001\u6d4b\u8bd5\u3001\u8fd0\u7ef4\u90fd\u4e00\u9f50\u52a0\u73ed\r\nKubernetes\u7684\u5347\u7ea7\u8fc7\u7a0b\u9700\u8981\u8003\u8651\u591a\u4e2a\u7ef4\u5ea6\uff0c\u5305\u62ec\u96c6\u7fa4\u4e2d\u7684\u4e3b\u8282\u70b9\u548c\u5de5\u4f5c\u8282\u70b9\u3001\u5728Pod\u5185\u8fd0\u884c\u7684\u5e94\u7528\u7a0b\u5e8f\u4ee5\u53caAPI\u7248\u672c\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u57fa\u672c\u7684\u6b65\u9aa4\u6765\u5e73\u6ed1\u5730\u5347\u7ea7\u60a8\u7684Kubernetes\u96c6\u7fa4\uff1a\r\n1\u3001\u5907\u4efd\u548c\u8ba1\u5212\uff1a\u5728\u8fdb\u884c\u4efb\u4f55\u5347\u7ea7\u64cd\u4f5c\u4e4b\u524d\uff0c\u4e00\u5b9a\u8981\u5907\u4efd\u4f60\u7684etcd\u6570\u636e\u5b58\u50a8\u4ee5\u53ca\u4efb\u4f55\u76f8\u5173\u7684\u914d\u7f6e\u6587\u4ef6\u3002\u540c\u65f6\uff0c\u660e\u786e\u5347\u7ea7\u65f6\u95f4\uff0c\u901a\u77e5\u6d89\u53ca\u4eba\u5458\u7b49\u3002\r\n2\u3001\u5148\u5347\u7ea7\u4e3b\u8282\u70b9\uff1a\u4f7f\u7528kubeadm upgrade plan\u547d\u4ee4\u68c0\u67e5\u53ef\u7528\u7684\u5347\u7ea7\u3002\u7136\u540e\uff0c\u4f7f\u7528kubeadm upgrade apply\u547d\u4ee4\u5347\u7ea7\u4f60\u7684\u4e3b\u8282\u70b9\u3002\u8fd9\u5c06\u5305\u62ecKubernetes API server\uff0c\u63a7\u5236\u7ba1\u7406\u5668\uff0c\u8c03\u5ea6\u7a0b\u5e8f\uff0c\u548c\u9ed8\u8ba4DNS\u670d\u52a1\u5668\u7b49\u7ec4\u4ef6\u3002\r\n3\u3001\u5347\u7ea7\u5de5\u4f5c\u8282\u70b9\uff1a\u5347\u7ea7\u5b8c\u4e3b\u8282\u70b9\u540e\uff0c\u4f60\u53ef\u4ee5\u9010\u4e2a\u5c06\u5de5\u4f5c\u8282\u70b9\u4ece\u96c6\u7fa4\u4e2d\u5207\u51fa\uff0c\u5347\u7ea7\uff0c\u5e76\u91cd\u65b0\u52a0\u5165\u96c6\u7fa4\u3002\u8fd9\u4e2a\u8fc7\u7a0b\u53ef\u4ee5\u4f7f\u7528kubectl drain\uff08\u7528\u4e8e\u51c6\u5907\u548c\u505c\u6b62\u8282\u70b9\u4e0a\u7684\u5de5\u4f5c\u8d1f\u8377\uff09\uff0ckubeadm upgrade node\uff08\u7528\u4e8e\u5b9e\u9645\u5347\u7ea7\u8282\u70b9\uff09\uff0c\u548ckubectl uncordon\uff08\u8ba9\u8282\u70b9\u53ef\u4ee5\u88ab\u8c03\u5ea6\uff09\u547d\u4ee4\u6765\u5b8c\u6210\u3002\r\n4\u3001\u5347\u7ea7\u7f51\u7edc\u63d2\u4ef6\uff1a\u4e3b\u8282\u70b9\u548c\u5de5\u4f5c\u8282\u70b9\u5b8c\u6210\u5347\u7ea7\u540e\uff0c\u5982\u679c\u4f60\u4f7f\u7528\u4e86\u7f51\u7edc\u63d2\u4ef6\uff0c\u8fd8\u9700\u8981\u6309\u7167\u63d2\u4ef6\u63d0\u4f9b\u5546\u7684\u6307\u5bfc\u8fdb\u884c\u5347\u7ea7\u3002\r\n5\u3001\u9a8c\u8bc1\u5347\u7ea7\uff1a\u5347\u7ea7\u5b8c\u6210\u540e\uff0c\u4f7f\u7528kubectl get nodes\u547d\u4ee4\u786e\u8ba4\u6240\u6709\u7684\u8282\u70b9\u90fd\u5df2\u7ecf\u5347\u7ea7\u5230\u65b0\u7684\u7248\u672c\u3002\u6b64\u5916\uff0c\u8fd8\u9700\u8981\u5bf9\u4f60\u7684\u5e94\u7528\u7a0b\u5e8f\u8fdb\u884c\u6d4b\u8bd5\uff0c\u4fdd\u8bc1\u5347\u7ea7\u6ca1\u6709\u4ea7\u751f\u8d1f\u9762\u5f71\u54cd\u3002\r\n\u8fd9\u53ea\u662f\u4e00\u4e2a\u5927\u81f4\u7684\u6d41\u7a0b\uff0c\u5b9e\u9645\u7684\u5347\u7ea7\u64cd\u4f5c\u53ef\u80fd\u4f1a\u66f4\u52a0\u590d\u6742\uff0c\u56e0\u4e3a\u53ef\u80fd\u4f1a\u6d89\u53ca\u5230\u96c6\u7fa4\u5185\u7684\u4e0d\u540c\u7a0b\u5e8f\u4ee5\u53caAPI\u5bf9\u8c61\u7684\u5347\u7ea7\u3002\u5728\u64cd\u4f5c\u4e4b\u524d\u5efa\u8bae\u6bcf\u4e00\u6b65\u90fd\u8981\u8ba1\u5212\u5145\u5206\u5e76\u518d\u4e09\u6d4b\u8bd5\u4ee5\u786e\u4fdd\u73af\u5883\u7684\u7a33\u5b9a\u3002\r\n\r\n<\/pre>\n","protected":false},"excerpt":{"rendered":"<p>Kubernetes\u96c6\u7fa4\u4e0d\u662f\u5728\u5347\u7ea7\uff0c\u5c31\u662f\u5728\u5347\u7ea7\u7684\u8def\u4e0a\u3002\u800c\u5bf9\u4e8e\u7ef4\u62a4K8s\u96c6\u7fa4\u7684\u56e2\u961f\u6765\u8bf4\uff0c\u6700\u62c5\u5fc3\u7684\u83ab\u8fc7\u4e8e\uff0c\u7cfb\u7edf\u56e0\u4e3a [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[1],"tags":[],"_links":{"self":[{"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/posts\/10757"}],"collection":[{"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/egonlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=10757"}],"version-history":[{"count":3,"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/posts\/10757\/revisions"}],"predecessor-version":[{"id":10761,"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/posts\/10757\/revisions\/10761"}],"wp:attachment":[{"href":"https:\/\/egonlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=10757"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/egonlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=10757"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/egonlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=10757"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}