{"id":1585,"date":"2025-05-30T08:19:34","date_gmt":"2025-05-30T00:19:34","guid":{"rendered":"http:\/\/www.liujh168.com\/?p=1578"},"modified":"2025-05-30T08:19:34","modified_gmt":"2025-05-30T00:19:34","slug":"k8s","status":"publish","type":"post","link":"https:\/\/www.liujh168.com\/index.php\/2025\/05\/30\/k8s\/","title":{"rendered":"Kubernetes\uff08k8s\uff09\u6700\u6838\u5fc3\u7684\u672c\u8d28"},"content":{"rendered":"\n

Kubernetes\uff08k8s\uff09\u6700\u6838\u5fc3\u7684\u672c\u8d28\u662f \u300c\u63d0\u4f9b\u4e00\u5957\u58f0\u660e\u5f0f\u7684\u81ea\u52a8\u5316\u7cfb\u7edf\uff0c\u7528\u4e8e\u5927\u89c4\u6a21\u7ba1\u7406\u5bb9\u5668\u5316\u5e94\u7528\u7684\u751f\u547d\u5468\u671f\uff0c\u5e76\u62bd\u8c61\u5e95\u5c42\u57fa\u7840\u8bbe\u65bd\u7684\u590d\u6742\u6027\u300d\u3002\u5176\u6838\u5fc3\u8bbe\u8ba1\u7406\u5ff5\u53ef\u62c6\u89e3\u4e3a\u4ee5\u4e0b\u56db\u70b9\uff1a<\/p>\n\n\n\n\n\n\n\n

1. \u58f0\u660e\u5f0f API\uff08Declarative API\uff09<\/strong>
\u6838\u5fc3\u601d\u60f3\uff1a\u7528\u6237\u53ea\u9700\u63cf\u8ff0\u201c\u671f\u671b\u72b6\u6001\u201d\uff08\u5982 deployment.yaml \u4e2d\u5b9a\u4e49\u526f\u672c\u6570=3\uff09\uff0c\u800c\u975e\u4e00\u6b65\u6b65\u5199\u201c\u5982\u4f55\u505a\u201d\u7684\u6307\u4ee4\u3002<\/p>\n\n\n\n

\u7cfb\u7edf\u884c\u4e3a\uff1aKubernetes \u6301\u7eed\u68c0\u6d4b\u5b9e\u9645\u72b6\u6001\uff0c\u901a\u8fc7 \u63a7\u5236\u5faa\u73af\uff08Control Loop\uff09 \u81ea\u52a8\u9a71\u52a8\u96c6\u7fa4\u5411\u671f\u671b\u72b6\u6001\u6536\u655b\uff08\u5982\u81ea\u52a8\u91cd\u542f\u5931\u8d25\u7684\u5bb9\u5668\u3001\u8c03\u5ea6\u65b0\u8282\u70b9\uff09\u3002<\/p>\n\n\n\n

\u7c7b\u6bd4\uff1a\u50cf\u544a\u8bc9\u56ed\u4e01\u201c\u82b1\u56ed\u4fdd\u63015\u6735\u73ab\u7470\u201d\uff0c\u800c\u975e\u6bcf\u5929\u6307\u6325\u4ed6\u6d47\u6c34\u3001\u4fee\u526a\u3002<\/p>\n\n\n\n

2. \u89e3\u8026\u5e94\u7528\u4e0e\u57fa\u7840\u8bbe\u65bd<\/strong>
\u62bd\u8c61\u5c42\uff1a\u901a\u8fc7 Pod\u3001Service\u3001Ingress \u7b49\u5bf9\u8c61\uff0c\u62bd\u8c61\u4e86\uff1a<\/p>\n\n\n\n

\u8ba1\u7b97\u8d44\u6e90\uff08Pod \u5c4f\u853d\u8282\u70b9\u5dee\u5f02\uff09<\/p>\n\n\n\n

\u7f51\u7edc\uff08Service \u63d0\u4f9b\u7a33\u5b9a\u8bbf\u95ee\u7aef\u70b9\uff09<\/p>\n\n\n\n

\u5b58\u50a8\uff08PVC \u9694\u79bb\u5b58\u50a8\u7c7b\u578b\uff09<\/p>\n\n\n\n

\u4ef7\u503c\uff1a\u5e94\u7528\u65e0\u9700\u5173\u5fc3\u5e95\u5c42\u662f AWS\u3001\u88f8\u673a\u8fd8\u662f\u8fb9\u7f18\u8bbe\u5907\uff0c\u5b9e\u73b0\u201c\u4e00\u6b21\u90e8\u7f72\uff0c\u968f\u5904\u8fd0\u884c\u201d\u3002<\/p>\n\n\n\n

3. \u81ea\u52a8\u5316\u8fd0\u7ef4\u80fd\u529b<\/strong>
Kubernetes \u5185\u7f6e\u7684\u81ea\u52a8\u5316\u5f15\u64ce\u89e3\u51b3\u5206\u5e03\u5f0f\u7cfb\u7edf\u7684\u6838\u5fc3\u95ee\u9898\uff1a<\/p>\n\n\n\n

\u80fd\u529b \u89e3\u51b3\u7684\u95ee\u9898 \u5b9e\u73b0\u673a\u5236
\u81ea\u6108\uff08Self-healing\uff09 \u5bb9\u5668\u5d29\u6e83\u3001\u8282\u70b9\u5b95\u673a \u91cd\u542f\u5bb9\u5668\u3001\u8fc1\u79fb Pod
\u6269\u7f29\u5bb9\uff08Scaling\uff09 \u6d41\u91cf\u9ad8\u5cf0\/\u4f4e\u8c37 HPA \u6839\u636e CPU\/\u5185\u5b58\u81ea\u52a8\u6269\u7f29
\u6eda\u52a8\u66f4\u65b0\uff08Rolling Update\uff09 \u96f6\u505c\u673a\u53d1\u5e03 \u6e10\u8fdb\u5f0f\u66ff\u6362\u65e7 Pod
\u8d1f\u8f7d\u5747\u8861 \u6d41\u91cf\u5206\u53d1 Service \u7684 iptables\/IPVS \u89c4\u5219
4. \u53ef\u6269\u5c55\u67b6\u6784\uff08Extensibility\uff09<\/strong>
CRD\uff08Custom Resource Definitions\uff09\uff1a\u5141\u8bb8\u7528\u6237\u81ea\u5b9a\u4e49\u8d44\u6e90\u7c7b\u578b\uff08\u5982\u5b9a\u4e49 MySQLCluster \u5bf9\u8c61\uff09\u3002<\/p>\n\n\n\n

Operator \u6a21\u5f0f\uff1a\u901a\u8fc7\u63a7\u5236\u5668\uff08Controller\uff09\u5c06\u81ea\u5b9a\u4e49\u8d44\u6e90\u7684\u58f0\u660e\u5f0f API \u8f6c\u5316\u4e3a\u8fd0\u7ef4\u64cd\u4f5c\uff08\u5982\u81ea\u52a8\u5907\u4efd\u6570\u636e\u5e93\uff09\u3002<\/p>\n\n\n\n

\u751f\u6001\u96c6\u6210\uff1aCSI\uff08\u5b58\u50a8\u63d2\u4ef6\uff09\u3001CNI\uff08\u7f51\u7edc\u63d2\u4ef6\uff09\u3001Device Plugin\uff08GPU\u7b49\u786c\u4ef6\uff09\u7b49\u63a5\u53e3\u65e0\u7f1d\u96c6\u6210\u7b2c\u4e09\u65b9\u80fd\u529b\u3002<\/p>\n\n\n\n

\u6838\u5fc3\u672c\u8d28\u56fe\u89e3<\/strong>
plaintext
[\u5f00\u53d1\u8005]
\u2502
\u25bc \u58f0\u660e\u671f\u671b\u72b6\u6001\uff08YAML\uff09
\u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510
\u2502 Kubernetes \u63a7\u5236\u5e73\u9762 \u2502
\u2502 \u2022 \u6301\u7eed\u6bd4\u5bf9\u201c\u671f\u671b\u72b6\u6001\u201d vs \u201c\u5b9e\u9645\u72b6\u6001\u201d \u2502
\u2502 \u2022 \u901a\u8fc7\u63a7\u5236\u5668\uff08Controllers\uff09\u89e6\u53d1\u64cd\u4f5c \u2502
\u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518
\u2502
\u25bc \u81ea\u52a8\u5316\u6267\u884c
\u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510
\u2502 \u57fa\u7840\u8bbe\u65bd\uff08\u8282\u70b9\u3001\u7f51\u7edc\u3001\u5b58\u50a8\uff09 \u2502
\u2502 \u2022 Kubernetes \u5c4f\u853d\u5e95\u5c42\u5dee\u5f02 \u2502
\u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518
\u4e3a\u4ec0\u4e48\u8fd9\u662f\u201c\u6838\u5fc3\u672c\u8d28\u201d\uff1f<\/strong>
\u58f0\u660e\u5f0f API + \u63a7\u5236\u5faa\u73af\uff1a\u8fd9\u662f Kubernetes \u533a\u522b\u4e8e\u811a\u672c\u3001\u4f20\u7edf\u8fd0\u7ef4\u5de5\u5177\uff08\u5982 Ansible\uff09\u7684\u6839\u672c\uff0c\u5b9e\u73b0\u4e86\u7cfb\u7edf\u81ea\u6cbb\u3002<\/p>\n\n\n\n

\u62bd\u8c61\u4e0e\u89e3\u8026\uff1a\u4f7f\u5e94\u7528\u771f\u6b63\u6210\u4e3a\u8de8\u4e91\u7684\u53ef\u79fb\u690d\u5b9e\u4f53\u3002<\/p>\n\n\n\n

\u81ea\u52a8\u5316\u8fd0\u7ef4\uff1a\u89e3\u51b3\u4e86\u5206\u5e03\u5f0f\u7cfb\u7edf\u201c\u590d\u6742\u6027\u7206\u70b8\u201d\u7684\u6838\u5fc3\u75db\u70b9\u3002\u53ef\u6269\u5c55\u6027\uff1a\u8ba9 Kubernetes \u4ece\u5bb9\u5668\u7f16\u6392\u6f14\u8fdb\u4e3a\u4e91\u539f\u751f\u65f6\u4ee3\u7684\u201c\u64cd\u4f5c\u7cfb\u7edf\u201d\u3002<\/p>\n\n\n\n

Kubernetes \u7684\u672c\u8d28\u662f \u201c\u901a\u8fc7\u58f0\u660e\u5f0fAPI\u548c\u63a7\u5236\u5668\u6a21\u5f0f\uff0c\u5c06\u5206\u5e03\u5f0f\u5e94\u7528\u7684\u8fd0\u7ef4\u903b\u8f91\u8f6c\u5316\u4e3a\u5e73\u53f0\u7684\u5185\u7f6e\u80fd\u529b\uff0c\u4f7f\u5f00\u53d1\u8005\u4e13\u6ce8\u4e1a\u52a1\u4ef7\u503c\u800c\u975e\u57fa\u7840\u8bbe\u65bd\u7ec6\u8282\u201d\u3002\u5b83\u7684\u9769\u547d\u6027\u5728\u4e8e\u5c06\u8fd0\u7ef4\u77e5\u8bc6\u7f16\u7801\u6210\u53ef\u590d\u7528\u7684\u81ea\u52a8\u5316\u7cfb\u7edf\uff0c\u800c\u975e\u4f9d\u8d56\u4eba\u5de5\u64cd\u4f5c<\/p>\n","protected":false},"excerpt":{"rendered":"

Kubernetes\uff08k8s\uff09\u6700\u6838\u5fc3\u7684\u672c\u8d28\u662f \u300c\u63d0\u4f9b\u4e00\u5957\u58f0\u660e\u5f0f\u7684\u81ea\u52a8\u5316\u7cfb\u7edf\uff0c\u7528\u4e8e\u5927\u89c4\u6a21\u7ba1\u7406\u5bb9\u5668\u5316\u5e94\u7528\u7684\u751f\u547d\u5468\u671f … \u7ee7\u7eed\u9605\u8bfb\u201cKubernetes\uff08k8s\uff09\u6700\u6838\u5fc3\u7684\u672c\u8d28\u201d<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8,1],"tags":[],"class_list":["post-1585","post","type-post","status-publish","format-standard","hentry","category-work","category-unknown"],"_links":{"self":[{"href":"https:\/\/www.liujh168.com\/index.php\/wp-json\/wp\/v2\/posts\/1585","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.liujh168.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.liujh168.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.liujh168.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.liujh168.com\/index.php\/wp-json\/wp\/v2\/comments?post=1585"}],"version-history":[{"count":0,"href":"https:\/\/www.liujh168.com\/index.php\/wp-json\/wp\/v2\/posts\/1585\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.liujh168.com\/index.php\/wp-json\/wp\/v2\/media?parent=1585"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.liujh168.com\/index.php\/wp-json\/wp\/v2\/categories?post=1585"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.liujh168.com\/index.php\/wp-json\/wp\/v2\/tags?post=1585"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}