{"id":10007093,"date":"2023-01-17T23:49:35","date_gmt":"2023-01-17T15:49:35","guid":{"rendered":"https:\/\/ityet.com\/?p=10007093"},"modified":"2023-01-17T23:49:35","modified_gmt":"2023-01-17T15:49:35","slug":"%e8%99%9a%e6%8b%9f%e5%8c%96%e6%8a%80%e6%9c%af%e6%b5%85%e6%9e%90%e7%ac%ac%e4%ba%8c%e5%bc%b9%e4%b9%8b%e5%88%9d%e8%af%86kubernetes","status":"publish","type":"post","link":"https:\/\/itmax.cn\/?p=10007093","title":{"rendered":"\u865a\u62df\u5316\u6280\u672f\u6d45\u6790\u7b2c\u4e8c\u5f39\u4e4b\u521d\u8bc6Kubernetes"},"content":{"rendered":"<h4>\u4f5c\u8005\uff1a\u4eac\u4e1c\u7269\u6d41 \u6768\u5efa\u6c11<\/h4>\n<h2>\u4e00\u3001\u5fae\u670d\u52a1\u67b6\u6784\u8d77\u6e90<\/h2>\n<p>\u5355\u4f53\u67b6\u6784\uff1a\u53ef\u4ee5\u7406\u89e3\u4e3a\u4e3b\u8981\u4e1a\u52a1\u903b\u8f91\u6a21\u5757\uff08\u6211\u4eec\u7f16\u5199\u7684\u4ee3\u7801\u6a21\u5757\uff0c\u4e0d\u5305\u62ec\u72ec\u7acb\u7684\u4e2d\u95f4\u4ef6\uff09\u8fd0\u884c\u5728\u4e00\u4e2a\u8fdb\u7a0b\u4e2d\u7684\u5e94\u7528\uff0c\u6700\u5178\u578b\u7684\u662f\u8fd0\u884c\u5728\u4e00\u4e2aTomcat\u5bb9\u5668\u4e2d\uff0c\u4f4d\u4e8e\u4e00\u4e2a\u8fdb\u7a0b\u91cc\u3002\u5355\u4f53\u67b6\u6784\u597d\u5904\u662f\u6280\u672f\u95e8\u69db\u4f4e\u3001\u7f16\u7a0b\u5de5\u4f5c\u91cf\u5c11\u3001\u5f00\u53d1\u7b80\u5355\u5feb\u6377\u3001\u8c03\u8bd5\u65b9\u4fbf\u3001\u73af\u5883\u5bb9\u6613\u642d\u5efa\u3001\u5bb9\u6613\u53d1\u5e03\u90e8\u7f72\u53ca\u5347\u7ea7\uff0c\u5f00\u53d1\u8fd0\u7ef4\u7b49\u603b\u4f53\u6210\u672c\u5f88\u4f4e\u3001\u89c1\u6548\u5feb\u3002\u5176\u7f3a\u70b9\u4e5f\u660e\u663e\uff1a<\/p>\n<p>\uff081\uff09\u5355\u4f53\u5e94\u7528\u7cfb\u7edf\u6bd4\u8f83\u81a8\u80c0\u4e0e\u81c3\u80bf\uff0c\u8026\u5408\u5ea6\u9ad8\uff0c\u5bfc\u81f4\u8fdb\u884c\u53ef\u6301\u7eed\u5f00\u53d1\u548c\u8fd0\u7ef4\u5f88\u56f0\u96be\u3002<\/p>\n<p>\uff082\uff09\u5355\u4f53\u5e94\u7528\u96be\u4ee5\u627f\u8f7d\u8fc5\u901f\u589e\u957f\u7684\u7528\u6237\u8bf7\u6c42\u548c\u9700\u6c42\u3002<\/p>\n<p><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000043342349\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<p>\u57fa\u4e8eSpring Framework\u7684\u5355\u4f53\u5e94\u7528\u67b6\u6784\u56fe<\/p>\n<p>\u5206\u5e03\u5f0f\u67b6\u6784\u6838\u5fc3\u601d\u60f3\u662f\u628a\u4e00\u4e2a\u5355\u4e00\u8fdb\u7a0b\u7684\u7cfb\u7edf\u62c6\u5206\u4e3a\u529f\u80fd\u4e0a\u76f8\u4e92\u534f\u4f5c\u53c8\u80fd\u72ec\u7acb\u90e8\u7f72\u5728\u591a\u4e2a\u670d\u52a1\u5668\u4e0a\u7684\u4e00\u7ec4\u8fdb\u7a0b\uff0c\u8fd9\u6837\u4e00\u6765\uff0c\u7cfb\u7edf\u53ef\u4ee5\u6839\u636e\u5b9e\u9645\u4e1a\u52a1\u9700\u8981\uff0c\u901a\u8fc7\u4ee5\u4e0b\u4e24\u79cd\u65b9\u5f0f\u5b9e\u73b0\u67d0\u4e9b\u72ec\u7acb\u7ec4\u4ef6\u7684\u6269\u5bb9\uff0c\u63d0\u5347\u541e\u5410\u91cf\u3002<\/p>\n<ul>\n<li>\u6c34\u5e73\u6269\u5c55\uff1a\u901a\u8fc7\u589e\u52a0\u670d\u52a1\u5668\u6570\u91cf\u8fdb\u884c\u6269\u5bb9<\/li>\n<li>\u5782\u76f4\u6269\u5c55\uff1a\u7ed9\u7cfb\u7edf\u4e2d\u7684\u67d0\u4e9b\u7279\u6b8a\u4e1a\u52a1\u5206\u914d\u66f4\u597d\u7684\u673a\u5668\uff0c\u63d0\u4f9b\u66f4\u591a\u8d44\u6e90\uff0c\u4ece\u800c\u63d0\u5347\u8fd9\u4e9b\u4e1a\u52a1\u7684\u7cfb\u7edf\u8d1f\u8f7d\u548c\u541e\u5410<\/li>\n<\/ul>\n<p>\u5206\u5e03\u5f0f\u67b6\u6784\u662f\u5c06\u4e00\u4e2a\u5e9e\u5927\u7684\u5355\u4f53\u5e94\u7528\u62c6\u5206\u6210\u591a\u4e2a\u72ec\u7acb\u8fd0\u884c\u7684\u8fdb\u7a0b\uff0c\u8fd9\u4e9b\u8fdb\u7a0b\u80fd\u901a\u8fc7\u67d0\u79cd\u65b9\u5f0f\u5b9e\u73b0\u8fdc\u7a0b\u8c03\u7528\uff0c\u56e0\u6b64\uff0c\u5206\u5e03\u5f0f\u67b6\u6784\u8981\u89e3\u51b3\u7684\u7b2c\u4e00\u4e2a\u6838\u5fc3\u6280\u672f\u95ee\u9898\u5c31\u662f\u72ec\u7acb\u8fdb\u7a0b\u4e4b\u95f4\u7684\u8fdc\u7a0b\u901a\u4fe1\u3002\u8be5\u95ee\u9898\u7684\u6700\u65e9\u7b54\u6848\u5c31\u662fRPC\u6280\u672f\uff08Remote Procedure Call\uff09\uff0c\u4e00\u79cd\u5178\u578b\u7684\u5fae\u670d\u52a1\u67b6\u6784\u5e73\u53f0\u7684\u7ed3\u6784\u793a\u610f\u56fe\u5982\u4e0b\uff1a<\/p>\n<p><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000043342350\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<p>\u5927\u5bb6\u6bd4\u8f83\u719f\u77e5\u7684\u5fae\u670d\u52a1\u67b6\u6784\u6846\u67b6\u6709Dubbo\u4e0eSpring Cloud\uff0c\u4e4b\u540e\u6bd4\u8f83\u6210\u529f\u7684\u5fae\u670d\u52a1\u67b6\u6784\u57fa\u672c\u90fd\u548c\u5bb9\u5668\u6280\u672f\u6302\u94a9\u4e86\uff0c\u5176\u4e2d\u6700\u6210\u529f\u7684\u3001\u5f71\u54cd\u6700\u5927\u7684\u5f53\u5c5eKubernetes\u5e73\u53f0\u4e86\uff0c\u4e0e\u4e4b\u76f8\u4f3c\u7684\u8fd8\u6709Docker\u516c\u53f8\u63a8\u51fa\u7684Docker Swarm(\u57282017\u5e74\u5e95\uff0cDocker Swarm\u4e5f\u652f\u6301Kubernetes\u4e86)\u3002<\/p>\n<p>\u5173\u4e8e\u5fae\u670d\u52a1\u67b6\u6784\u7684\u4f18\u52bf\u7531\u4e8e\u6587\u7ae0\u7bc7\u5e45\u6709\u9650\uff0c\u4e0d\u518d\u5c55\u5f00\uff0c\u4f46\u4efb\u4f55\u6280\u672f\u90fd\u5b58\u5728\u4e24\u9762\u6027\uff0c\u5fae\u670d\u52a1\u67b6\u6784\u5177\u6709\u4e00\u5b9a\u7684\u590d\u6742\u6027\uff0c\u5982\u5f00\u53d1\u8005\u5fc5\u987b\u638c\u63e1\u67d0\u79cdRPC\u6280\u672f\uff0c\u5e76\u4e14\u5fc5\u987b\u901a\u8fc7\u5199\u4ee3\u7801\u6765\u5904\u7406RPC\u901f\u5ea6\u8fc7\u6162\u6216\u8005\u8c03\u7528\u5931\u8d25\u7b49\u590d\u6742\u95ee\u9898\u3002\u4e3a\u4e86\u89e3\u51b3\u5fae\u670d\u52a1\u5e26\u6765\u7684\u7f16\u7a0b\u590d\u6742\u6027\u95ee\u9898\uff0c\u4e00\u79cd\u65b0\u7684\u67b6\u6784\u8bbe\u8ba1\u601d\u60f3\u51fa\u73b0\u4e86\uff0c\u8fd9\u5c31\u662fService Mesh\uff0cService Mesh\u5b9a\u4e49\u662f\uff1a\u4e00\u4e2a\u7528\u4e8e\u5904\u7406\u670d\u52a1\u4e8e\u670d\u52a1\u4e4b\u95f4\u901a\u4fe1\uff08\u8c03\u7528\uff09\u7684\u590d\u6742\u7684\u57fa\u7840\u67b6\u6784\u8bbe\u65bd\u3002\u4ece\u672c\u8d28\u4e0a\u770b\uff0cService Mesh\u662f\u4e00\u7ec4\u7f51\u7edc\u4ee3\u7406\u7a0b\u5e8f\u7ec4\u6210\u7684\u670d\u52a1\u7f51\u7edc\uff0c\u8fd9\u4e9b\u4ee3\u7406\u4f1a\u4e0e\u7528\u6237\u7a0b\u5e8f\u90e8\u7f72\u5728\u4e00\u8d77\uff0c\u5145\u5f53\u670d\u52a1\u4ee3\u7406\uff0c\u8fd9\u79cd\u4ee3\u7406\u540e\u6765\u5728Google\u7684Istio\u4ea7\u54c1\u67b6\u6784\u4e2d\u79f0\u4e3a\u201cSidecar\u201d\uff0c\u5176\u5b9e\u5c31\u662f\u91c7\u7528\u4e86\u4ee3\u7406\u6a21\u5f0f\u7684\u601d\u60f3\u53bb\u89e3\u51b3\u4ee3\u7801\u5165\u4fb5\u53ca\u91cd\u590d\u7f16\u7801\u7684\u95ee\u9898\uff0c\u3002\u4e0b\u56fe\u7ed9\u51fa\u4e86Service Mesh\u6700\u7b80\u5355\u7684\u67b6\u6784\u56fe\u3002Servie Mesh\u540c\u6837\u4e0d\u662f\u672c\u6b21\u7684\u4e3b\u89d2\uff0c\u611f\u5174\u8da3\u7684\u5c0f\u4f19\u4f34\u53ef\u81ea\u884c\u5b66\u4e60\u3002<\/p>\n<p><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000043342351\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<h2>\u4e8c\u3001\u521d\u8bc6k8s<\/h2>\n<blockquote><p>\u5b98\u65b9\u539f\u6587\u662f\uff1aK8s is an abbreviation derived by replacing the 8 letters \u201cubernete\u201d with 8.<\/p><\/blockquote>\n<p>k8s\u5168\u79f0kubernetes\uff0c\u540d\u5b57\u6765\u6e90\u4e8e\u5e0c\u814a\u8bed\uff0c\u610f\u601d\u4e3a\u201c\u8235\u624b\u201d\u6216\u201c\u9886\u822a\u5458\u201d\uff0c\u5b83\u662f\u7b2c\u4e00\u4ee3\u5bb9\u5668\u6280\u672f\u7684\u5fae\u670d\u52a1\u67b6\u6784\uff08\u7b2c\u4e8c\u4ee3\u662fServie Mesh\uff09\u3002<\/p>\n<p>Kubernetes\u6700\u521d\u6e90\u4e8e\u8c37\u6b4c\u5185\u90e8\u7684Borg\uff0c\u63d0\u4f9b\u4e86\u9762\u5411\u5e94\u7528\u7684\u5bb9\u5668\u96c6\u7fa4\u90e8\u7f72\u548c\u7ba1\u7406\u7cfb\u7edf\u3002Kubernetes \u7684\u76ee\u6807\u65e8\u5728\u6d88\u9664\u7f16\u6392\u7269\u7406\/\u865a\u62df\u8ba1\u7b97\uff0c\u7f51\u7edc\u548c\u5b58\u50a8\u57fa\u7840\u8bbe\u65bd\u7684\u8d1f\u62c5\uff0c\u5e76\u4f7f\u5e94\u7528\u7a0b\u5e8f\u8fd0\u8425\u5546\u548c\u5f00\u53d1\u4eba\u5458\u5b8c\u5168\u5c06\u91cd\u70b9\u653e\u5728\u4ee5\u5bb9\u5668\u4e3a\u4e2d\u5fc3\u7684\u539f\u8bed\u4e0a\u8fdb\u884c\u81ea\u52a9\u8fd0\u8425\u3002Kubernetes \u4e5f\u63d0\u4f9b\u7a33\u5b9a\u3001\u517c\u5bb9\u7684\u57fa\u7840\uff08\u5e73\u53f0\uff09\uff0c\u7528\u4e8e\u6784\u5efa\u5b9a\u5236\u5316\u7684workflows \u548c\u66f4\u9ad8\u7ea7\u7684\u81ea\u52a8\u5316\u4efb\u52a1\u3002<\/p>\n<p>Kubernetes \u5177\u5907\u5b8c\u5584\u7684\u96c6\u7fa4\u7ba1\u7406\u80fd\u529b\uff0c\u5305\u62ec\u591a\u5c42\u6b21\u7684\u5b89\u5168\u9632\u62a4\u548c\u51c6\u5165\u673a\u5236\u3001\u591a\u79df\u6237\u5e94\u7528\u652f\u6491\u80fd\u529b\u3001\u900f\u660e\u7684\u670d\u52a1\u6ce8\u518c\u548c\u670d\u52a1\u53d1\u73b0\u673a\u5236\u3001\u5185\u5efa\u8d1f\u8f7d\u5747\u8861\u5668\u3001\u6545\u969c\u53d1\u73b0\u548c\u81ea\u6211\u4fee\u590d\u80fd\u529b\u3001\u670d\u52a1\u6eda\u52a8\u5347\u7ea7\u548c\u5728\u7ebf\u6269\u5bb9\u3001\u53ef\u6269\u5c55\u7684\u8d44\u6e90\u81ea\u52a8\u8c03\u5ea6\u673a\u5236\u3001\u591a\u7c92\u5ea6\u7684\u8d44\u6e90\u914d\u989d\u7ba1\u7406\u80fd\u529b\u3002<\/p>\n<p>Kubernetes \u8fd8\u63d0\u4f9b\u5b8c\u5584\u7684\u7ba1\u7406\u5de5\u5177\uff0c\u6db5\u76d6\u5f00\u53d1\u3001\u90e8\u7f72\u6d4b\u8bd5\u3001\u8fd0\u7ef4\u76d1\u63a7\u7b49\u5404\u4e2a\u73af\u8282\u3002<\/p>\n<h3>2.1 k8s\u67b6\u6784\u4e0e\u7ec4\u4ef6<\/h3>\n<p><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000043342352\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<p><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000043342353\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<p>Kubernetes\u4e3b\u8981\u7531\u4ee5\u4e0b\u51e0\u4e2a\u6838\u5fc3\u7ec4\u4ef6\u7ec4\u6210\uff1a<\/p>\n<ol>\n<li>etcd\u4fdd\u5b58\u4e86\u6574\u4e2a\u96c6\u7fa4\u7684\u72b6\u6001\uff1b<\/li>\n<li>apiserver\u63d0\u4f9b\u4e86\u8d44\u6e90\u64cd\u4f5c\u7684\u552f\u4e00\u5165\u53e3\uff0c\u5e76\u63d0\u4f9b\u8ba4\u8bc1\u3001\u6388\u6743\u3001\u8bbf\u95ee\u63a7\u5236\u3001API\u6ce8\u518c\u548c\u53d1\u73b0\u7b49\u673a\u5236\uff1b<\/li>\n<li>controller manager\u8d1f\u8d23\u7ef4\u62a4\u96c6\u7fa4\u7684\u72b6\u6001\uff0c\u6bd4\u5982\u6545\u969c\u68c0\u6d4b\u3001\u81ea\u52a8\u6269\u5c55\u3001\u6eda\u52a8\u66f4\u65b0\u7b49\uff1b<\/li>\n<li>scheduler\u8d1f\u8d23\u8d44\u6e90\u7684\u8c03\u5ea6\uff0c\u6309\u7167\u9884\u5b9a\u7684\u8c03\u5ea6\u7b56\u7565\u5c06Pod\u8c03\u5ea6\u5230\u76f8\u5e94\u7684\u673a\u5668\u4e0a\uff1b<\/li>\n<li>kubelet\u8d1f\u8d23\u7ef4\u62a4\u5bb9\u5668\u7684\u751f\u547d\u5468\u671f\uff0c\u540c\u65f6\u4e5f\u8d1f\u8d23Volume\uff08CVI\uff09\u548c\u7f51\u7edc\uff08CNI\uff09\u7684\u7ba1\u7406\uff1b<\/li>\n<li>Container runtime\u8d1f\u8d23\u955c\u50cf\u7ba1\u7406\u4ee5\u53caPod\u548c\u5bb9\u5668\u7684\u771f\u6b63\u8fd0\u884c\uff08CRI\uff09\uff1b<\/li>\n<li>kube-proxy\u8d1f\u8d23\u4e3aService\u63d0\u4f9bcluster\u5185\u90e8\u7684\u670d\u52a1\u53d1\u73b0\u548c\u8d1f\u8f7d\u5747\u8861\uff1b<\/li>\n<\/ol>\n<h3>2.2 k8s\u8bbe\u8ba1\u7406\u5ff5<\/h3>\n<h4>API\u8bbe\u8ba1\u539f\u5219<\/h4>\n<p>API\u5bf9\u8c61\u662fk8s\u96c6\u7fa4\u4e2d\u7684\u7ba1\u7406\u64cd\u4f5c\u5355\u5143\u3002k8s\u96c6\u7fa4\u7cfb\u7edf\u6bcf\u652f\u6301\u4e00\u9879\u65b0\u529f\u80fd\uff0c\u5f15\u5165\u4e00\u9879\u65b0\u6280\u672f\uff0c\u4e00\u5b9a\u4f1a\u65b0\u5f15\u5165\u5bf9\u5e94\u7684API\u5bf9\u8c61\uff0c\u652f\u6301\u5bf9\u8be5\u529f\u80fd\u7684\u7ba1\u7406\u64cd\u4f5c\u3002\u4f8b\u5982\u526f\u672c\u96c6Replica Set\u5bf9\u5e94\u7684API\u5bf9\u8c61\u662fRS\u3002<\/p>\n<p>k8s\u91c7\u7528\u58f0\u660e\u5f0f\u64cd\u4f5c\uff0c\u7531\u7528\u6237\u5b9a\u4e49yaml\uff0ck8s\u7684API\u8d1f\u8d23\u521b\u5efa\u3002\u6bcf\u4e2a\u5bf9\u8c61\u90fd\u67093\u5927\u7c7b\u5c5e\u6027\uff1a\u5143\u6570\u636emetadata\u3001\u89c4\u8303spec\u548c\u72b6\u6001status\u3002\u5143\u6570\u636e\u662f\u7528\u6765\u6807\u8bc6API\u5bf9\u8c61\u7684\uff0c\u6bcf\u4e2a\u5bf9\u8c61\u90fd\u81f3\u5c11\u67093\u4e2a\u5143\u6570\u636e\uff1anamespace\uff0cname\u548cuid\uff1b\u9664\u6b64\u4ee5\u5916\u8fd8\u6709\u5404\u79cd\u5404\u6837\u7684\u6807\u7b7elabels\u7528\u6765\u6807\u8bc6\u548c\u5339\u914d\u4e0d\u540c\u7684\u5bf9\u8c61\uff0c\u4f8b\u5982\u7528\u6237\u53ef\u4ee5\u7528\u6807\u7b7eenv\u6765\u6807\u8bc6\u533a\u5206\u4e0d\u540c\u7684\u670d\u52a1\u90e8\u7f72\u73af\u5883\uff0c\u5206\u522b\u7528env=dev\u3001env=testing\u3001env=production\u6765\u6807\u8bc6\u5f00\u53d1\u3001\u6d4b\u8bd5\u3001\u751f\u4ea7\u7684\u4e0d\u540c\u670d\u52a1\u3002\u89c4\u8303\u63cf\u8ff0\u4e86\u7528\u6237\u671f\u671bk8s\u96c6\u7fa4\u4e2d\u7684\u5206\u5e03\u5f0f\u7cfb\u7edf\u8fbe\u5230\u7684\u7406\u60f3\u72b6\u6001\uff08Desired State\uff09\uff0c\u4f8b\u5982\u7528\u6237\u53ef\u4ee5\u901a\u8fc7\u590d\u5236\u63a7\u5236\u5668Replication Controller\u8bbe\u7f6e\u671f\u671b\u7684Pod\u526f\u672c\u6570\u4e3a3\uff1bstatus\u63cf\u8ff0\u4e86\u7cfb\u7edf\u5b9e\u9645\u5f53\u524d\u8fbe\u5230\u7684\u72b6\u6001\uff08Status\uff09\uff0c\u4f8b\u5982\u7cfb\u7edf\u5f53\u524d\u5b9e\u9645\u7684Pod\u526f\u672c\u6570\u4e3a2\uff1b\u90a3\u4e48\u590d\u5236\u63a7\u5236\u5668\u5f53\u524d\u7684\u7a0b\u5e8f\u903b\u8f91\u5c31\u662f\u81ea\u52a8\u542f\u52a8\u65b0\u7684Pod\uff0c\u4e89\u53d6\u8fbe\u5230\u526f\u672c\u6570\u4e3a3\u3002<\/p>\n<pre><code>apiVersion: apps\/v1beta1\nkind: Deployment\nmetadata:\n  name: nginx-deployment\nspec:\n  replicas: 3\n  template:\n    metadata:\n      labels:\n        app: nginx\n    spec:\n      containers:\n      - name: nginx\n        image: nginx:1.7.9\n        ports:\n        - containerPort: 80\n<\/code><\/pre>\n<ul>\n<li>apiVersion &#8211; \u521b\u5efa\u5bf9\u8c61\u7684Kubernetes API \u7248\u672c<\/li>\n<li>kind &#8211; \u8981\u521b\u5efa\u4ec0\u4e48\u6837\u7684\u5bf9\u8c61\uff1f<\/li>\n<li>metadata- \u5177\u6709\u552f\u4e00\u6807\u793a\u5bf9\u8c61\u7684\u6570\u636e\uff0c\u5305\u62ec name\uff08\u5b57\u7b26\u4e32\uff09\u3001UID\u548cNamespace\uff08\u53ef\u9009\u9879\uff09<\/li>\n<\/ul>\n<p>\u4f7f\u7528\u4e0a\u8ff0.yaml\u6587\u4ef6\u521b\u5efaDeployment\uff0c\u662f\u901a\u8fc7\u5728kubectl\u4e2d\u4f7f\u7528kubectl create\u547d\u4ee4\u6765\u5b9e\u73b0\u3002\u5c06\u8be5.yaml\u6587\u4ef6\u4f5c\u4e3a\u53c2\u6570\u4f20\u9012\u3002\u5982\u4e0b\u4f8b\u5b50\uff1a<\/p>\n<pre><code>$ kubectl create -f docs\/user-guide\/nginx-deployment.yaml --record\n<\/code><\/pre>\n<p>k8s\u5e38\u89c1\u5bf9\u8c61\uff1aPod\u3001\u590d\u5236\u63a7\u5236\u5668\uff08Replication Controller,RC\uff09\u3001\u526f\u672c\u96c6\uff08Replica Set,RS\uff09\u3001\u90e8\u7f72\uff08Deployment\uff09\u3001\u670d\u52a1\uff08Service\uff09\u3001\u4efb\u52a1\uff08Job\uff09\u3001\u5b58\u50a8\u5377\uff08Volume\uff09\u3001\u6301\u4e45\u5b58\u50a8\u5377\u548c\u6301\u4e45\u5b58\u50a8\u5377\u58f0\u660e\uff08Persistent Volume,PV\u3001Persistent Volume Claim,PVC\uff09\u3001\u8282\u70b9\uff08Node\uff09\u3001ConfigMap\u3001Endpoint\u7b49\u3002<\/p>\n<h4>\u63a7\u5236\u673a\u5236\u8bbe\u8ba1\u539f\u5219<\/h4>\n<ul>\n<li><strong>\u6bcf\u4e2a\u6a21\u5757\u90fd\u53ef\u4ee5\u5728\u5fc5\u8981\u65f6\u4f18\u96c5\u5730\u964d\u7ea7\u670d\u52a1\u63a7\u5236\u903b\u8f91\u5e94\u8be5\u53ea\u4f9d\u8d56\u4e8e\u5f53\u524d\u72b6\u6001\u3002<\/strong>\u8fd9\u662f\u4e3a\u4e86\u4fdd\u8bc1\u5206\u5e03\u5f0f\u7cfb\u7edf\u7684\u7a33\u5b9a\u53ef\u9760\uff0c\u5bf9\u4e8e\u7ecf\u5e38\u51fa\u73b0\u5c40\u90e8\u9519\u8bef\u7684\u5206\u5e03\u5f0f\u7cfb\u7edf\uff0c\u5982\u679c\u63a7\u5236\u903b\u8f91\u53ea\u4f9d\u8d56\u5f53\u524d\u72b6\u6001\uff0c\u90a3\u4e48\u5c31\u975e\u5e38\u5bb9\u6613\u5c06\u4e00\u4e2a\u6682\u65f6\u51fa\u73b0\u6545\u969c\u7684\u7cfb\u7edf\u6062\u590d\u5230\u6b63\u5e38\u72b6\u6001\uff0c\u56e0\u4e3a\u4f60\u53ea\u8981\u5c06\u8be5\u7cfb\u7edf\u91cd\u7f6e\u5230\u67d0\u4e2a\u7a33\u5b9a\u72b6\u6001\uff0c\u5c31\u53ef\u4ee5\u81ea\u4fe1\u7684\u77e5\u9053\u7cfb\u7edf\u7684\u6240\u6709\u63a7\u5236\u903b\u8f91\u4f1a\u5f00\u59cb\u6309\u7167\u6b63\u5e38\u65b9\u5f0f\u8fd0\u884c\u3002<\/li>\n<li><strong>\u5047\u8bbe\u4efb\u4f55\u9519\u8bef\u7684\u53ef\u80fd\uff0c\u5e76\u505a\u5bb9\u9519\u5904\u7406\u3002\u5728\u4e00\u4e2a\u5206\u5e03\u5f0f\u7cfb\u7edf\u4e2d\u51fa\u73b0\u5c40\u90e8\u548c\u4e34\u65f6\u9519\u8bef\u662f\u5927\u6982\u7387\u4e8b\u4ef6\u3002<\/strong>\u9519\u8bef\u53ef\u80fd\u6765\u81ea\u4e8e\u7269\u7406\u7cfb\u7edf\u6545\u969c\uff0c\u5916\u90e8\u7cfb\u7edf\u6545\u969c\u4e5f\u53ef\u80fd\u6765\u81ea\u4e8e\u7cfb\u7edf\u81ea\u8eab\u7684\u4ee3\u7801\u9519\u8bef\uff0c\u4f9d\u9760\u81ea\u5df1\u5b9e\u73b0\u7684\u4ee3\u7801\u4e0d\u4f1a\u51fa\u9519\u6765\u4fdd\u8bc1\u7cfb\u7edf\u7a33\u5b9a\u5176\u5b9e\u4e5f\u662f\u96be\u4ee5\u5b9e\u73b0\u7684\uff0c\u56e0\u6b64\u8981\u8bbe\u8ba1\u5bf9\u4efb\u4f55\u53ef\u80fd\u9519\u8bef\u7684\u5bb9\u9519\u5904\u7406\u3002<\/li>\n<li><strong>\u5c3d\u91cf\u907f\u514d\u590d\u6742\u72b6\u6001\u673a\uff0c\u63a7\u5236\u903b\u8f91\u4e0d\u8981\u4f9d\u8d56\u65e0\u6cd5\u76d1\u63a7\u7684\u5185\u90e8\u72b6\u6001\u3002<\/strong>\u56e0\u4e3a\u5206\u5e03\u5f0f\u7cfb\u7edf\u5404\u4e2a\u5b50\u7cfb\u7edf\u90fd\u662f\u4e0d\u80fd\u4e25\u683c\u901a\u8fc7\u7a0b\u5e8f\u5185\u90e8\u4fdd\u6301\u540c\u6b65\u7684\uff0c\u6240\u4ee5\u5982\u679c\u4e24\u4e2a\u5b50\u7cfb\u7edf\u7684\u63a7\u5236\u903b\u8f91\u5982\u679c\u4e92\u76f8\u6709\u5f71\u54cd\uff0c\u90a3\u4e48\u5b50\u7cfb\u7edf\u5c31\u4e00\u5b9a\u8981\u80fd\u4e92\u76f8\u8bbf\u95ee\u5230\u5f71\u54cd\u63a7\u5236\u903b\u8f91\u7684\u72b6\u6001\uff0c\u5426\u5219\uff0c\u5c31\u7b49\u540c\u4e8e\u7cfb\u7edf\u91cc\u5b58\u5728\u4e0d\u786e\u5b9a\u7684\u63a7\u5236\u903b\u8f91\u3002<\/li>\n<li><strong>\u5047\u8bbe\u4efb\u4f55\u64cd\u4f5c\u90fd\u53ef\u80fd\u88ab\u4efb\u4f55\u64cd\u4f5c\u5bf9\u8c61\u62d2\u7edd\uff0c\u751a\u81f3\u88ab\u9519\u8bef\u89e3\u6790\u3002<\/strong>\u7531\u4e8e\u5206\u5e03\u5f0f\u7cfb\u7edf\u7684\u590d\u6742\u6027\u4ee5\u53ca\u5404\u5b50\u7cfb\u7edf\u7684\u76f8\u5bf9\u72ec\u7acb\u6027\uff0c\u4e0d\u540c\u5b50\u7cfb\u7edf\u7ecf\u5e38\u6765\u81ea\u4e0d\u540c\u7684\u5f00\u53d1\u56e2\u961f\uff0c\u6240\u4ee5\u4e0d\u80fd\u5962\u671b\u4efb\u4f55\u64cd\u4f5c\u88ab\u53e6\u4e00\u4e2a\u5b50\u7cfb\u7edf\u4ee5\u6b63\u786e\u7684\u65b9\u5f0f\u5904\u7406\uff0c\u8981\u4fdd\u8bc1\u51fa\u73b0\u9519\u8bef\u7684\u65f6\u5019\uff0c\u64cd\u4f5c\u7ea7\u522b\u7684\u9519\u8bef\u4e0d\u4f1a\u5f71\u54cd\u5230\u7cfb\u7edf\u7a33\u5b9a\u6027\u3002<\/li>\n<li><strong>\u6bcf\u4e2a\u6a21\u5757\u90fd\u53ef\u4ee5\u5728\u51fa\u9519\u540e\u81ea\u52a8\u6062\u590d\u3002<\/strong>\u7531\u4e8e\u5206\u5e03\u5f0f\u7cfb\u7edf\u4e2d\u65e0\u6cd5\u4fdd\u8bc1\u7cfb\u7edf\u5404\u4e2a\u6a21\u5757\u662f\u59cb\u7ec8\u8fde\u63a5\u7684\uff0c\u56e0\u6b64\u6bcf\u4e2a\u6a21\u5757\u8981\u6709\u81ea\u6211\u4fee\u590d\u7684\u80fd\u529b\uff0c\u4fdd\u8bc1\u4e0d\u4f1a\u56e0\u4e3a\u8fde\u63a5\u4e0d\u5230\u5176\u4ed6\u6a21\u5757\u800c\u81ea\u6211\u5d29\u6e83\u3002<\/li>\n<li><strong>\u6bcf\u4e2a\u6a21\u5757\u90fd\u53ef\u4ee5\u5728\u5fc5\u8981\u65f6\u4f18\u96c5\u5730\u964d\u7ea7\u670d\u52a1\u3002<\/strong>\u6240\u8c13\u4f18\u96c5\u5730\u964d\u7ea7\u670d\u52a1\uff0c\u662f\u5bf9\u7cfb\u7edf\u9c81\u68d2\u6027\u7684\u8981\u6c42\uff0c\u5373\u8981\u6c42\u5728\u8bbe\u8ba1\u5b9e\u73b0\u6a21\u5757\u65f6\u5212\u5206\u6e05\u695a\u57fa\u672c\u529f\u80fd\u548c\u9ad8\u7ea7\u529f\u80fd\uff0c\u4fdd\u8bc1\u57fa\u672c\u529f\u80fd\u4e0d\u4f1a\u4f9d\u8d56\u9ad8\u7ea7\u529f\u80fd\uff0c\u8fd9\u6837\u540c\u65f6\u5c31\u4fdd\u8bc1\u4e86\u4e0d\u4f1a\u56e0\u4e3a\u9ad8\u7ea7\u529f\u80fd\u51fa\u73b0\u6545\u969c\u800c\u5bfc\u81f4\u6574\u4e2a\u6a21\u5757\u5d29\u6e83\u3002\u6839\u636e\u8fd9\u79cd\u7406\u5ff5\u5b9e\u73b0\u7684\u7cfb\u7edf\uff0c\u4e5f\u66f4\u5bb9\u6613\u5feb\u901f\u5730\u589e\u52a0\u65b0\u7684\u9ad8\u7ea7\u529f\u80fd\uff0c\u4ee5\u4e3a\u4e0d\u5fc5\u62c5\u5fc3\u5f15\u5165\u9ad8\u7ea7\u529f\u80fd\u5f71\u54cd\u539f\u6709\u7684\u57fa\u672c\u529f\u80fd\u3002<\/li>\n<\/ul>\n<h2>\u4e09\u3001\u8d44\u6e90\u7ba1\u7406<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decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000043342354\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<p>\u5927\u591a\u6570Kubernetes\u8d44\u6e90\uff08\u4f8b\u5982pod\u3001services\u3001replication controllers\u6216\u5176\u4ed6\uff09\u90fd\u5728\u67d0\u4e9bNamespace\u4e2d\uff0c\u4f46Namespace\u8d44\u6e90\u672c\u8eab\u5e76\u4e0d\u5728Namespace\u4e2d\u3002\u800c\u4f4e\u7ea7\u522b\u8d44\u6e90\uff08\u5982Node\u548cpersistentVolumes\uff09\u4e0d\u5728\u4efb\u4f55Namespace\u4e2d\u3002Events\u662f\u4e00\u4e2a\u4f8b\u5916\uff1a\u5b83\u4eec\u53ef\u80fd\u6709\u4e5f\u53ef\u80fd\u6ca1\u6709Namespace\uff0c\u5177\u4f53\u53d6\u51b3\u4e8eEvents\u7684\u5bf9\u8c61\u3002<\/p>\n<h4>Pod<\/h4>\n<p>Pod\u662fKubernetes\u521b\u5efa\u6216\u90e8\u7f72\u7684\u6700\u5c0f\/\u6700\u7b80\u5355\u7684\u57fa\u672c\u5355\u4f4d\uff0c\u4e00\u4e2aPod\u4ee3\u8868\u96c6\u7fa4\u4e0a\u6b63\u5728\u8fd0\u884c\u7684\u4e00\u4e2a\u8fdb\u7a0b\u3002<\/p>\n<p>\u4e00\u4e2aPod\u5c01\u88c5\u4e00\u4e2a\u5e94\u7528\u5bb9\u5668\uff08\u4e5f\u53ef\u4ee5\u6709\u591a\u4e2a\u5bb9\u5668\uff09\uff0c\u5b58\u50a8\u8d44\u6e90\u3001\u4e00\u4e2a\u72ec\u7acb\u7684\u7f51\u7edcIP\u4ee5\u53ca\u7ba1\u7406\u63a7\u5236\u5bb9\u5668\u8fd0\u884c\u65b9\u5f0f\u7684\u7b56\u7565\u9009\u9879\u3002Pod\u4ee3\u8868\u90e8\u7f72\u7684\u4e00\u4e2a\u5355\u4f4d\uff1aKubernetes\u4e2d\u5355\u4e2a\u5e94\u7528\u7684\u5b9e\u4f8b\uff0c\u5b83\u53ef\u80fd\u7531\u5355\u4e2a\u5bb9\u5668\u6216\u591a\u4e2a\u5bb9\u5668\u5171\u4eab\u7ec4\u6210\u7684\u8d44\u6e90\u3002<\/p>\n<p>\u6bcf\u4e2aPod\u90fd\u662f\u8fd0\u884c\u5e94\u7528\u7684\u5355\u4e2a\u5b9e\u4f8b\uff0c\u5982\u679c\u9700\u8981\u6c34\u5e73\u6269\u5c55\u5e94\u7528\uff08\u4f8b\u5982\uff0c\u8fd0\u884c\u591a\u4e2a\u5b9e\u4f8b\uff09\uff0c\u5219\u5e94\u8be5\u4f7f\u7528\u591a\u4e2aPods\uff0c\u6bcf\u4e2a\u5b9e\u4f8b\u4e00\u4e2aPod\u3002\u5728Kubernetes\u4e2d\uff0c\u8fd9\u6837\u901a\u5e38\u79f0\u4e3aReplication\u3002Replication\u7684Pod\u901a\u5e38\u7531Controller\u521b\u5efa\u548c\u7ba1\u7406\u3002Controller\u53ef\u4ee5\u521b\u5efa\u548c\u7ba1\u7406\u591a\u4e2aPod\uff0c\u63d0\u4f9b\u526f\u672c\u7ba1\u7406\u3001\u6eda\u52a8\u5347\u7ea7\u548c\u96c6\u7fa4\u7ea7\u522b\u7684\u81ea\u6108\u80fd\u529b\u3002\u4f8b\u5982\uff0c\u5982\u679c\u4e00\u4e2aNode\u6545\u969c\uff0cController\u5c31\u80fd\u81ea\u52a8\u5c06\u8be5\u8282\u70b9\u4e0a\u7684Pod\u8c03\u5ea6\u5230\u5176\u4ed6\u5065\u5eb7\u7684Node\u4e0a\u3002<\/p>\n<h4>Container<\/h4>\n<p>docker\u672c\u8eab\u6bd4\u8f83\u91cd\uff0c2015\u5e74OCI\uff08Open ContainerInitiative\uff09\u8bde\u751f\uff0c\u5b83\u5b9a\u4e49\u4e86\u955c\u50cf\u6807\u51c6\u3001\u8fd0\u884c\u65f6\u6807\u51c6\u548c\u5206\u53d1\u6807\u51c6\uff0c\u7531\u4e8ek8s \u672c\u8eab\u4e0d\u5177\u5907\u521b\u5efa\u5bb9\u5668\u7684\u80fd\u529b\uff0c\u662f\u901a\u8fc7 kubelet \u7ec4\u4ef6\u8c03\u7528\u5bb9\u5668\u8fd0\u884c\u65f6 API \u63a5\u53e3\u548c\u547d\u4ee4\u6765\u521b\u5efa\u5bb9\u5668\uff0cKubernete \u4e0e \u5bb9\u5668\u8fd0\u884c\u65f6\u7684\u5173\u7cfb\u662f\u5386\u53f2\u6027\u7684\uff0c\u4e5f\u5f88\u590d\u6742\u3002\u4f46\u662f\u968f\u7740 Kubernete \u5f03\u7528 Docker \uff0c\u76ee\u524d\u4e3b\u6d41\u7684\u8fd0\u884c\u65f6\u4e3b\u8981\u662f containerd \u548c CRI-O<\/p>\n<p><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000043342355\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<p>\u201cone-container-per-Pod\u201d\u6a21\u5f0f\u662fKubernetes\u6700\u5e38\u89c1\u7684\u7528\u6cd5\uff0c\u4e00\u4e2aPod\u4e5f\u53ef\u4ee5\u6709\u591a\u4e2a\u5bb9\u5668\u3002<\/p>\n<h4>\u4e09\u4e2a\u7ea7\u522b\u7684\u8ba1\u7b97\u8d44\u6e90\u7ba1\u7406<\/h4>\n<p>\u5728k8s\u4e2d\uff0c\u53ef\u4ee5\u4eceNamespace\u3001Pod\u548cContainer\u4e09\u4e2a\u7ea7\u522b\u533a\u7ba1\u7406\u8d44\u6e90\u7684\u914d\u7f6e\u548c\u9650\u5236\u3002\u4f8b\u5982\uff1a<\/p>\n<ul>\n<li>\u5bb9\u5668\u7ea7\u522b\u53ef\u4ee5\u901a\u8fc7Resource Request\u3001Resource Limits\u914d\u7f6e\u9879<\/li>\n<\/ul>\n<pre><code>apiVersion: v1\nkind: Pod\nmetadata:\n  name: memory-demo-3\nspec:\n  containers:\n  - name: memory-demo-3-ctr\n    image: vish\/stress\n    resources:\n      limits:\n        memory: &quot;1000Gi&quot;\n      requests:\n        memory: &quot;1000Gi&quot;\n    args:\n    - -mem-total\n    - 150Mi\n    - -mem-alloc-size\n    - 10Mi\n    - -mem-alloc-sleep\n    - 1s\n<\/code><\/pre>\n<ul>\n<li>Pod\u7ea7\u522b\u53ef\u4ee5\u901a\u8fc7\u521b\u5efaLimitRange\u5bf9\u8c61\u5b8c\u6210\u8bbe\u7f6e\uff0c\u8fd9\u6837\u53ef\u4ee5\u5bf9Pod\u6240\u542b\u5bb9\u5668\u8fdb\u884c\u7edf\u4e00\u914d\u7f6e<\/li>\n<\/ul>\n<pre><code>apiVersion: v1\nkind: LimitRange\nmetadata:\n  name: mylimits\nspec:\n  limits:\n  - max:\n      cpu: &quot;4&quot;\n      memory: 2Gi\n    min:\n      cpu: 200m\n      memory: 6Mi\n    maxLimitRequestRatio:\n      cpu: 3\n      memory: 2\n    type: Pod\n  - default:\n      cpu: 300m\n      memory: 200Mi\n    defaultRequest:\n      cpu: 200m\n      memory: 100Mi\n    max:\n      cpu: &quot;2&quot;\n      memory: 1Gi\n    min:\n      cpu: 100m\n      memory: 3Mi\n    maxLimitRequestRatio:\n      cpu: 5\n      memory: 4\n    type: Container\n<\/code><\/pre>\n<ul>\n<li>Namespace\u7ea7\u522b\u53ef\u4ee5\u901a\u8fc7\u5bf9ReSourceQuota\u8d44\u6e90\u5bf9\u8c61\u7684\u914d\u7f6e\uff0c\u63d0\u4f9b\u4e00\u4e2a\u603b\u4f53\u7684\u8d44\u6e90\u4f7f\u7528\u91cf\u9650\u5236\uff0c\u8fd9\u4e2a\u9650\u5236\u53ef\u4ee5\u662f\u5bf9\u6240\u6709Poid\u4f7f\u7528\u7684\u8ba1\u7b97\u8d44\u6e90\u603b\u91cf\u4e0a\u9650\uff0c\u4e5f\u53ef\u4ee5\u662f\u5bf9\u6240\u6709Pod\u67d0\u79cd\u7c7b\u578b\u5bf9\u8c61\u7684\u603b\u6570\u91cf\u4e0a\u9650\uff08\u5305\u62ec\u53ef\u4ee5\u521b\u5efa\u7684Pod\u3001RC\u3001Service\u3001Secret\u3001ConfigMap\u53caPVC\u7b49\u5bf9\u8c61\u7684\u6570\u91cf\uff09<\/li>\n<\/ul>\n<pre><code>apiVersion: v1\nkind: ResourceQuota\nmetadata:\n  name: pod-demo\nspec:\n  hard:\n  request.cpu: &quot;4&quot;\n  request.memory: 8GB\n  limit.memory:16GB\n  pods: &quot;2&quot;\n<\/code><\/pre>\n<h3>3.2 \u7f51\u7edc\u8d44\u6e90\u7ba1\u7406<\/h3>\n<h4>k8s\u7684ip\u6a21\u578b<\/h4>\n<p><strong>node Ip<\/strong>\uff1anode\u8282\u70b9\u7684ip\uff0c\u4e3a\u7269\u7406ip.<\/p>\n<p><strong>pod Ip<\/strong>\uff1apod\u7684ip\uff0c\u5373docker \u5bb9\u5668\u7684ip\uff0c\u4e3a\u865a\u62dfip\u3002<\/p>\n<p><strong>cluster Ip<\/strong>\uff1aservice \u7684ip\uff0c\u4e3a\u865a\u62dfip\u3002\u63d0\u4f9b\u4e00\u4e2a\u96c6\u7fa4\u5185\u90e8\u7684\u865a\u62dfIP\u4ee5\u4f9bPod\u8bbf\u95ee\u3002\u5b9e\u73b0\u539f\u7406\u662f\u901a\u8fc7Linux\u9632\u706b\u5899\u89c4\u5219\uff0c\u5c5e\u4e8eNAT\u6280\u672f\u3002\u5f53\u8bbf\u95eeClusterIP\u65f6\uff0c\u8bf7\u6c42\u5c06\u88ab\u8f6c\u53d1\u5230\u540e\u7aef\u7684\u5b9e\u4f8b\u4e0a\uff0c\u5982\u679c\u540e\u7aef\u5b9e\u4f8b\u6709\u591a\u4e2a\uff0c\u5c31\u987a\u4fbf\u5b9e\u73b0\u4e86\u8d1f\u8f7d\u5747\u8861\uff0c\u9ed8\u8ba4\u662f\u8f6e\u8bad\u65b9\u5f0f\u3002<\/p>\n<h4>\u8de8\u4e3b\u673a\u5bb9\u5668\u7f51\u7edc\u65b9\u6848<\/h4>\n<p>\u5728k8s\u4f53\u7cfb\u4e2d\uff0ck8s\u7684\u7f51\u7edc\u6a21\u578b\u8bbe\u8ba1\u7684\u4e00\u4e2a\u57fa\u672c\u539f\u5219\uff1a\u6bcf\u4e2apos\u90fd\u62e5\u6709\u4e00\u4e2a\u72ec\u7acb\u7684IP\u5730\u5740\uff0c\u800c\u4e14\u5047\u5b9a\u6240\u6709\u7684Pod\u90fd\u5728\u4e00\u4e2a\u53ef\u4ee5\u76f4\u63a5\u8054\u901a\u7684\u3001\u6241\u5e73\u7684\u7f51\u7edc\u7a7a\u95f4\u4e2d\uff0c\u4e0d\u7ba1\u5b83\u4eec\u662f\u5426\u8fd0\u884c\u5728\u540c\u4e00\u4e2aNode\uff08\u5bbf\u4e3b\u673a\uff09\u4e2d\uff0c\u90fd\u53ef\u4ee5\u76f4\u63a5\u901a\u8fc7\u5bf9\u65b9\u7684IP\u8fdb\u884c\u8bbf\u95ee\u3002\u4f46k8s\u672c\u8eab\u5e76\u4e0d\u63d0\u4f9b\u8de8\u4e3b\u673a\u7684\u5bb9\u5668\u7f51\u7edc\u89e3\u51b3\u65b9\u6848\u3002\u516c\u6709\u4e91\u73af\u5883\uff08\u4f8b\u5982AWS\u3001Azure\u3001GCE\uff09\u901a\u5e38\u90fd\u63d0\u4f9b\u4e86\u5bb9\u5668\u7f51\u7edc\u65b9\u6848\uff0c\u4f46\u662f\u5728\u79c1\u6709\u4e91\u73af\u5883\u4e0b\uff0c\u4ecd\u7136\u9700\u8981\u5bb9\u5668\u4e91\u5e73\u53f0\u4f4d\u4e0d\u540c\u7684\u79df\u6237\u63d0\u4f9b\u5404\u79cd\u5bb9\u5668\u7f51\u7edc\u65b9\u6848\u3002<\/p>\n<p>\u76ee\u524d\uff0c\u4e3a\u5bb9\u5668\u8bbe\u7f6eOverlay\u7f51\u7edc\u662f\u6700\u4e3b\u6d41\u7684\u8de8\u4e3b\u673a\u5bb9\u5668\u7f51\u7edc\u65b9\u6848\u3002Overlay\u7f51\u7edc\u662f\u6307\u5728\u4e0d\u6539\u53d8\u539f\u6709\u7f51\u7edc\u914d\u7f6e\u7684\u524d\u63d0\u4e0b\uff0c\u901a\u8fc7\u67d0\u79cd\u989d\u5916\u7684\u7f51\u7edc\u534f\u8bae\uff0c\u5c06\u539fIP\u62a5\u6587\u5c01\u88c5\u8d77\u6765\u5f62\u6210\u4e00\u4e2a\u903b\u8f91\u4e0a\u7684\u7f51\u7edc\u3002\u5728k8s\u5e73\u53f0\u4e0a\uff0c\u5efa\u8bae\u901a\u8fc7CNI\u63d2\u4ef6\u7684\u65b9\u5f0f\u90e8\u7f72\u5bb9\u5668\u7f51\u7edc\u3002<\/p>\n<p>CNI\uff08Container Network Interface\uff09\u662fCNCF\u57fa\u91d1\u4f1a\u4e0b\u7684\u4e00\u4e2a\u9879\u76ee\uff0c\u7531\u4e00\u7ec4\u7528\u4e8e\u914d\u7f6e\u5bb9\u5668\u7684\u7f51\u7edc\u63a5\u53e3\u7684\u89c4\u8303\u548c\u5e93\u7ec4\u6210\uff0c\u5b83\u5b9a\u4e49\u7684\u662f\u5bb9\u5668\u8fd0\u884c\u73af\u5883\u4e0e\u7f51\u7edc\u63d2\u4ef6\u4e4b\u95f4\u7684\u63a5\u53e3\u89c4\u8303\uff0c\u4ec5\u5173\u5fc3\u5bb9\u5668\u521b\u5efa\u65f6\u7684\u7f51\u7edc\u914d\u7f6e\u548c\u5bb9\u5668\u88ab\u9500\u6bc1\u662f\u7f51\u7edc\u8d44\u6e90\u7684\u91ca\u653e\uff0c\u5e76\u4e14\u4e00\u4e2a\u5bb9\u5668\u53ef\u4ee5\u7ed1\u5b9a\u591a\u4e2aCNI\u7f51\u7edc\u63d2\u4ef6\u52a0\u5165\u7f51\u7edc\u4e2d\uff0c\u5982\u4e0b\u56fe\u3002<\/p>\n<p><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000043342356\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<p>\u76ee\u524d\u6bd4\u8f83\u6d41\u7a0b\u7684CNI\u63d2\u4ef6\u5b9e\u73b0\u65b9\u5f0f\u6709Flannel\u3001Calico\u3001macvlan\u3001Open vSwitch\u3001\u76f4\u63a5\u8def\u7531\u3002<\/p>\n<h4>Ingress<\/h4>\n<p>\u5728k8s\u96c6\u7fa4\u5185\uff0c\u5e94\u7528\u9ed8\u8ba4\u4ee5Service\u7684\u5f62\u5f0f\u63d0\u4f9b\u670d\u52a1\uff0c\u6709kube-proxy\u5b9e\u73b0Service\u5230\u5bb9\u5668\u7684\u8d1f\u8f7d\u5747\u8861\u5668\u7684\u529f\u80fd\uff0c\u5982\u4e0b\u56fe\u5b9a\u4e49\u4e00\u4e2amysql service\uff1a<\/p>\n<pre><code>kind: Service\napiVersion: v1\nmetadata:\n  name: mysql-master\nspec:\n  selector:\n    app: mysql-master\n  ports:\n      port: 3306\n      targetPort: 3306\n<\/code><\/pre>\n<p>\u6b64\u65f6\uff0c\u96c6\u7fa4\u5916\u662f\u65e0\u6cd5\u8bbf\u95ee\u8fd9\u4e2aService\u7684\u3002\u5bf9\u4e8e\u9700\u8981k8s\u96c6\u7fa4\u5916\u7684\u5ba2\u6237\u7aef\u63d0\u4f9b\u670d\u52a1\u7684Service\uff0c\u53ef\u4ee5\u901a\u8fc7Ingress\u5c06\u670d\u52a1\u66b4\u9732\u51fa\u53bb\uff0c\u5e76\u4e14\u5982\u679c\u8be5\u96c6\u7fa4\uff08\u7f51\u7edc\uff09\u62e5\u6709\u771f\u5b9e\u57df\u540d\uff0c\u5219\u8fd8\u80fd\u5c06Service\u76f4\u63a5\u4e0e\u57df\u540d\u8fdb\u884c\u5bf9\u63a5\u3002<\/p>\n<p>k8s\u5c06\u4e00\u4e2aIngress\u8d44\u6e90\u5bf9\u8c61\u7684\u5b9a\u4e49\u548c\u4e00\u4e2a\u5177\u4f53\u7684Ingress Controller\u76f8\u7ed3\u5408\u6765\u5b9e\u73b07\u5c42\u8d1f\u8f7d\u5747\u8861\u5668\u3002Ingress Controller\u5728\u8f6c\u53d1\u5ba2\u6237\u8bf7\u6c42\u5230\u540e\u7aef\u670d\u52a1\u65f6\uff0c\u5c06\u8df3\u8fc7kube-proxy\u63d0\u4f9b\u76844\u5c42\u8d1f\u8f7d\u5747\u8861\u5668\u7684\u529f\u80fd\uff0c\u76f4\u63a5\u8f6c\u53d1\u5230Service\u7684\u540e\u7aefPod\uff08Endpoints\uff09\uff0c\u4ee5\u63d0\u9ad8\u7f51\u7edc\u8f6c\u53d1\u6548\u7387\u3002<\/p>\n<p><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000043342357\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<p>\u5982\u4e0a\u56fe\u5c55\u793a\u4e86\u4e00\u4e2a\u5178\u578b\u7684HTTP\u5c42\u8def\u7531\u7684Ingress\u4f8b\u5b50\uff0c\u5176\u4e2d\uff1a<\/p>\n<ul>\n<li>\u5bf9<a href=\"https:\/\/link.segmentfault.com\/?enc=gpaNiaLrbbOspxr2tJZt8g%3D%3D.k%2Bn3cJCu7hTdvzlDyMsvRXYVbnkeSh9ZpO8wqdS%2BgDM%3D\" rel=\"nofollow\">http:\/\/mywebsite.com\/api<\/a>\u7684\u8bbf\u95ee\u5c06\u88ab\u8def\u7531\u5230\u540e\u7aef\u540d\u4e3a\u201capi\u201d\u7684Service\uff1b<\/li>\n<li>\u5bf9<a href=\"https:\/\/link.segmentfault.com\/?enc=KYoT%2BCQ0eWZ6XvWPDTVX9g%3D%3D.LH9ePr2xtHnAYFdwWbj0EHvNHtohqU3GmkSpkawofRc%3D\" rel=\"nofollow\">http:\/\/mywebsite.com\/web<\/a>\u7684\u8bbf\u95ee\u5c06\u88ab\u8def\u7531\u5230\u540e\u7aef\u540d\u4e3a\u201cweb\u201d\u7684Service\uff1b<\/li>\n<li>\u5bf9<a href=\"https:\/\/link.segmentfault.com\/?enc=gjV4NiSsgzHFLZlQSgQ4vA%3D%3D.xTXxekrfXWOLkzvWLL%2Bi9QN%2FHa8NekT0wXLFWhSVOC0%3D\" rel=\"nofollow\">http:\/\/mywebsite.com\/doc<\/a>\u7684\u8bbf\u95ee\u5c06\u88ab\u8def\u7531\u5230\u540e\u7aef\u540d\u4e3a\u201cdoc\u201d\u7684Service\u3002<\/li>\n<\/ul>\n<p>\u5982\u4e0b\u662f\u4e00\u4e2a\u5178\u578b\u7684Ingress\u7b56\u7565\u5b9a\u4e49\uff0cIngress Controller\u5c06\u5bf9\u76ee\u6807\u5730\u5740<a href=\"https:\/\/link.segmentfault.com\/?enc=hmDnMTpNE%2FiGC4Ne14dkaw%3D%3D.KMKAuS0WA%2Bj09%2BhBTzKSuh%2F48PTltzko9m5VLQnthE4%3D\" rel=\"nofollow\">http:\/\/mywebsite.com\/demo<\/a>\u7684\u8bbf\u95ee\u8bf7\u6c42\u8f6c\u53d1\u5230\u96c6\u7fa4\u5185\u90e8\u670d\u52a1\u7684webapp(webapp:8080\/demo)<\/p>\n<pre><code>apiVersion: extensions\/v1beta1\nkind: Ingress\nmetadata:\n   name: mywebsite-ingress\nspec:\n   rules:\n   -host\uff1amywebsite.com\n    http:\n       paths:\n      - path: \/demo\n          backend:\n           serviceName: webapp\n           servicePort: 8080\n<\/code><\/pre>\n<p>\u5e38\u7528\u7684Ingress Controller\u6709\uff1aNginx\u3001HAProxy\u3001Traefik\u3001apisix\u7b49\u3002<\/p>\n<h3>3.3 \u5b58\u50a8\u8d44\u6e90<\/h3>\n<h4>k8s\u652f\u6301\u7684Volume\u7c7b\u578b<\/h4>\n<h5>\u4e34\u65f6\u76ee\u5f55\uff08emptyDir\uff09<\/h5>\n<p>\u4f7f\u7528emptyDir\uff0c\u5f53Pod\u5206\u914d\u5230Node\u4e0a\u65f6\uff0c\u5c06\u4f1a\u521b\u5efaemptyDir\uff0c\u5e76\u4e14\u53ea\u8981Node\u4e0a\u7684Pod\u4e00\u76f4\u8fd0\u884c\uff0cVolume\u5c31\u4f1a\u4e00\u76f4\u5b58\u3002\u5f53Pod\uff08\u4e0d\u7ba1\u4efb\u4f55\u539f\u56e0\uff09\u4eceNode\u4e0a\u88ab\u5220\u9664\u65f6\uff0cemptyDir\u4e5f\u540c\u65f6\u4f1a\u5220\u9664\uff0c\u5b58\u50a8\u7684\u6570\u636e\u4e5f\u5c06\u6c38\u4e45\u5220\u9664\u3002\u6ce8\uff1a\u5220\u9664\u5bb9\u5668\u4e0d\u5f71\u54cdemptyDir\u3002<\/p>\n<h5>\u914d\u7f6e\u7c7b<\/h5>\n<ul>\n<li>ConfigMap\uff1a\u5c06\u4fdd\u5b58\u5728ConfigMap\u8d44\u6e90\u5bf9\u8c61\u4e2d\u7684\u914d\u7f6e\u6587\u4ef6\u4fe1\u606f\u6302\u8f7d\u5230\u5bb9\u5668\u7684\u67d0\u4e2a\u76ee\u5f55\u4e0b<\/li>\n<li>Secret\uff1a\u5c06\u4fdd\u5b58\u5728Secret\u8d44\u6e90\u5bf9\u8c61\u4e2d\u7684\u5bc6\u7801\u5bc6\u94a5\u7b49\u4fe1\u606f\u6302\u8f7d\u5230\u5bb9\u5668\u5185\u7684\u67d0\u4e2a\u6587\u4ef6\u4e2d<\/li>\n<li>DownwardApI\uff1a\u5c06downward API\u7684\u6570\u636e\u4ee5\u73af\u5883\u53d8\u91cf\u6216\u6587\u4ef6\u7684\u5f62\u5f0f\u6ce8\u5165\u5bb9\u5668\u4e2d<\/li>\n<li>gitRepo\uff1a\u5c06\u67d0Git\u4ee3\u7801\u5e93\u6302\u8f7d\u5230\u5bb9\u5668\u5185\u7684\u67d0\u4e2a\u76ee\u5f55\u4e0b<\/li>\n<\/ul>\n<h5>\u672c\u5730\u5b58\u50a8\u7c7b<\/h5>\n<ul>\n<li>hostPath\uff1a\u5c06\u5bbf\u4e3b\u673a\u7684\u76ee\u5f55\u6216\u6587\u4ef6\u6302\u8f7d\u5230\u5bb9\u5668\u5185\u8fdb\u884c\u4f7f\u7528<\/li>\n<li>local\uff1a\u4ecev1.9\u7248\u672c\u5f15\u5165\uff0c\u5c06\u672c\u5730\u5b58\u50a8\u4ee5PV\u5f62\u5f0f\u63d0\u4f9b\u7ed9\u5bb9\u5668\u4f7f\u7528\uff0c\u5e76\u80fd\u591f\u7ed9\u5b9e\u73b0\u5b58\u50a8\u7a7a\u95f4\u7684\u7ba1\u7406<\/li>\n<\/ul>\n<h5>\u5171\u4eab\u5b58\u50a8\u7c7b<\/h5>\n<ul>\n<li>PV\uff08Persistne Volume\uff09\uff1a\u5c06\u5171\u4eab\u5b58\u50a8\u5b9a\u4e49\u4e3a\u4e00\u79cd\u201c\u6301\u4e45\u5b58\u50a8\u5377\u201d\uff0c\u53ef\u4ee5\u88ab\u591a\u4e2a\u5bb9\u5668\u5171\u4eab\u4f7f\u7528<\/li>\n<li>PVC\uff08Persistne Volume Claim\uff09\uff1a\u7528\u6237\u5bf9\u5b58\u50a8\u8d44\u6e90\u7684\u4e00\u6b21\u201c\u7533\u8bf7\u201d\uff0cPVC\u7533\u8bf7\u7684\u5bf9\u8c61\u662fPV\uff0c\u4e00\u65e6\u7533\u8bf7\u6210\u529f\uff0c\u5e94\u7528\u5c31\u80fd\u591f\u60f3\u4f7f\u7528\u672c\u5730\u76ee\u5f55\u4e00\u6837\u4f7f\u7528\u5171\u4eab\u5b58\u50a8\u5377\u3002\u4e0b\u56fe\u662f\u4e00\u4e2aPV\u5bf9\u8c61ymal\u5b9a\u4e49\uff1a<\/li>\n<\/ul>\n<pre><code>apiVersion: v1\nkind: PersistentVolume\nmetadata:\n  name: example-pv\n  annotations:\n        &quot;volume.alpha.kubernetes.io\/node-affinity&quot;: '{\n            &quot;requiredDuringSchedulingIgnoredDuringExecution&quot;: {\n                &quot;nodeSelectorTerms&quot;: [\n                    { &quot;matchExpressions&quot;: [\n                        { &quot;key&quot;: &quot;kubernetes.io\/hostname&quot;,\n                          &quot;operator&quot;: &quot;In&quot;,\n                          &quot;values&quot;: [&quot;example-node&quot;]\n                        }\n                    ]}\n                 ]}\n              }'\nspec:\n    capacity:\n      storage: 100Gi\n    accessModes:\n    - ReadWriteOnce\n    persistentVolumeReclaimPolicy: Delete\n    storageClassName: local-storage\n    local:\n      path: \/mnt\/disks\/ssd1\n<\/code><\/pre>\n<h4>PV\u4e0ePVC<\/h4>\n<p><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000043342358\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<p>PV\u548cPVC\u76f8\u4e92\u5173\u7cfb\u751f\u547d\u5468\u671f\u5982\u4e0a\u56fe\u6240\u793a\uff0ck8s\u7684\u5171\u4eab\u5b58\u50a8\u4f9b\u5e94\u6a21\u5f0f\u5305\u62ec\u9759\u6001\u6a21\u5f0f\uff08Static\uff09\u548c\u52a8\u6001\u6a21\u5f0f\uff08Dynamic\uff09\uff0c\u8d44\u6e90\u4f9b\u5e94\u7684\u7ed3\u679c\u5c31\u662f\u521b\u5efa\u597d\u7684PV\u3002\u8fd0\u7ef4\u4eba\u5458\u624b\u52a8\u521b\u5efaPV\u5c31\u662f\u9759\u6001\uff0c\u800c\u52a8\u6001\u6a21\u5f0f\u7684\u5173\u952e\u5c31\u662fStorageClass\uff0c\u5b83\u7684\u4f5c\u7528\u5c31\u662f\u521b\u5efaPV\u6a21\u677f\u3002<\/p>\n<p>\u521b\u5efaStorageClass\u91cc\u9762\u9700\u8981\u5b9a\u4e49PV\u5c5e\u6027\u6bd4\u5982\u5b58\u50a8\u7c7b\u578b\u3001\u5927\u5c0f\u7b49\uff1b\u53e6\u5916\u521b\u5efa\u8fd9\u79cdPV\u9700\u8981\u7528\u5230\u5b58\u50a8\u63d2\u4ef6\u3002\u6700\u7ec8\u6548\u679c\u662f\uff0c\u7528\u6237\u63d0\u4ea4PVC\uff0c\u91cc\u9762\u6307\u5b9a\u5b58\u50a8\u7c7b\u578b\uff0c\u5982\u679c\u7b26\u5408\u6211\u4eec\u5b9a\u4e49\u7684StorageClass\uff0c\u5219\u4f1a\u4e3a\u5176\u81ea\u52a8\u521b\u5efaPV\u5e76\u8fdb\u884c\u7ed1\u5b9a\u3002<\/p>\n<p>\u4e0b\u56fe\u901a\u8fc7ymal\u521b\u5efa\u4e00\u4e2aStorageClass\u5bf9\u8c61<\/p>\n<pre><code>kind: StorageClass\napiVersion: storage.k8s.io\/v1\nmetadata:\n  name: standard\nprovisioner: kubernetes.io\/aws-ebs    \/\/ \u5b58\u50a8\u5206\u914d\u5668\nparameters:\n  type: gp2\nreclaimPolicy: Retain   \/\/ \u56de\u6536\u7b56\u7565\nmountOptions:\n  - debug\n<\/code><\/pre>\n<p>StorageClass\u548cPV\u3001PVC\u4e4b\u95f4\u7684\u8fd0\u4f5c\u5173\u7cfb\u5982\u4e0b\u56fe\u6240\u793a\uff1a<\/p>\n<p><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000043342359\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<h4>CSI<\/h4>\n<p>CSI\uff08Container Storage Interface\uff09\u4e0ek8s\u7684\u5173\u7cfb\u4e0eCNI\u6709\u70b9\u7c7b\u4f3c\uff0cCSI\u65e8\u5728\u5bb9\u5668\u548c\u5171\u4eab\u5b58\u50a8\u4e4b\u95f4\u5efa\u8bae\u4e00\u5957\u6807\u51c6\u7684\u5b58\u50a8\u8bbf\u95ee\u63a5\u53e3\u3002\u5728\u5b83\u8bde\u751f\u524d\uff0c\u7ecf\u5386\u4e86\u201cin-tree\u201d\u65b9\u5f0f\u3001FlexVolume\u6a21\u5f0f\u3002<\/p>\n<p>CSI\u89c4\u8303\u7528\u8bed\u5c06\u5b58\u50a8\u4f9b\u5e94\u5546\u4ee3\u7801\u4e0ek8s\u4ee3\u7801\u5b8c\u5168\u89e3\u8026\uff0c\u5b58\u50a8\u63d2\u4ef6\u7684\u4ee3\u7801\u7531\u5b58\u50a8\u4f9b\u5e94\u5546\u81ea\u884c\u7ef4\u62a4\u3002<\/p>\n<p><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000043342360\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<p>\u548ckube-apiserver\u76f4\u63a5\u8fdb\u884c\u4ea4\u4e92\u7684\u662fK8S\u5b98\u65b9\u76f4\u63a5\u63d0\u4f9b\u7684\u4e00\u4e9bsidecar\u5bb9\u5668\uff0c\u8fd9\u4e9bsidecar\u76f4\u63a5\u90e8\u7f72\u5373\u53ef\u3002\u8fd9\u4e9bsidecar\u5bb9\u5668\uff08\u4e3b\u8981\u662f\u4e0a\u56fe\u7684\u4e09\u4e2a\u4e3b\u8981\u90e8\u4ef6\uff09\u76d1\u542c\u81ea\u5df1\u5bf9\u5e94\u7684CRD\uff0c\u89e6\u53d1\u5bf9\u5e94\u7684\u64cd\u4f5c\uff0c\u901a\u8fc7UDS\u63a5\u53e3\u76f4\u63a5\u8c03\u7528CSI driver\u7684\u63a5\u53e3\uff08\u4f8b\u5982CreateVolume() \u3001NodePublishVolme()\u7b49\uff09\u6765\u5b9e\u73b0\u5bf9\u5377\u7684\u64cd\u4f5c\u3002<\/p>\n<p>\u8981\u5f00\u53d1CSI Drivers\u4e00\u822c\u6765\u8bf4\u5b9e\u73b0\u4ee5\u4e0b\u51e0\u4e2a\u670d\u52a1\uff1a<\/p>\n<ul>\n<li><strong>CSI Identity service<\/strong><\/li>\n<\/ul>\n<p>\u5141\u8bb8\u8c03\u7528\u8005(Kubernetes\u7ec4\u4ef6\u548cCSI sidecar\u5bb9\u5668)\u8bc6\u522b\u9a71\u52a8\u7a0b\u5e8f\u53ca\u5176\u652f\u6301\u7684\u53ef\u9009\u529f\u80fd\u3002<\/p>\n<ul>\n<li><strong>CSI Node service<\/strong><\/li>\n<\/ul>\n<p>NodePublishVolume, NodeUnpublishVolume \u548c NodeGetCapabilities \u662f\u5fc5\u987b\u7684\u3002<\/p>\n<p>\u6240\u9700\u7684\u65b9\u6cd5\u4f7f\u8c03\u7528\u8005\u80fd\u591f\u4f7f\u5377\u5728\u6307\u5b9a\u7684\u8def\u5f84\u4e0a\u53ef\u7528\uff0c\u5e76\u53d1\u73b0\u9a71\u52a8\u7a0b\u5e8f\u652f\u6301\u54ea\u4e9b\u53ef\u9009\u529f\u80fd\u3002<\/p>\n<ul>\n<li><strong>CSI Controller Service<\/strong><\/li>\n<\/ul>\n<p>\u5b9e\u73b0CreateVolume\u3001DeleteVolume\u63a5\u53e3<\/p>\n<h3>3.4 \u591a\u96c6\u7fa4\u8d44\u6e90\u7ba1\u7406\u65b9\u6848-\u96c6\u7fa4\u8054\u90a6\uff08Federation\uff09<\/h3>\n<p>Federation\u662fKubernetes\u7684\u5b50\u9879\u76ee\uff0c\u5176\u8bbe\u8ba1\u76ee\u6807\u662f\u5bf9\u591a\u4e2aKubernetess\u96c6\u7fa4\u8fdb\u884c\u7edf\u4e00\u7ba1\u7406\uff0c\u5c06\u7528\u6237\u7684\u5e94\u7528\u90e8\u7f72\u5230\u4e0d\u540c\u5730\u57df\u7684\u6570\u636e\u4e2d\u5fc3\u3002Federation\u5f15\u5165\u4e86\u4e00\u4e2a\u4f4d\u4e8eKubernetes\u96c6\u7fa4\u53ea\u4e0a\u7684\u63a7\u5236\u5e73\u9762\uff0c\u5c4f\u853d\u4e86\u540e\u7aef\u5404k8s\u5b50\u96c6\u7fa4\uff0c\u5411\u5ba2\u6237\u63d0\u4f9b\u4e86\u7edf\u4e00\u7684\u7ba1\u7406\u5165\u53e3\uff0c\u5982\u4e0b\u56fe:<\/p>\n<p><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000043342361\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<p>Federation\u63a7\u5236\u5e73\u9762\u201c\u5c01\u88c5\u201d\u4e86\u591a\u4e2ak8s\u96c6\u7fa4\u7684Master\u89d2\u8272\uff0c\u63d0\u4f9b\u4e86\u7edf\u4e00\u7684Master\uff0c\u5305\u62ecFederation API Server\u3001Federation Controller Manafer\uff0c\u7528\u6237\u53ef\u4ee5\u5411\u64cd\u4f5c\u5355\u4e2a\u96c6\u7fa4\u4e00\u6837\u64cd\u4f5cFederation\uff0c\u8fd8\u7edf\u4e00\u4e86\u5168\u90e8k8s\u96c6\u7fa4\u7684DNS\u3001ConfigMap\uff0c\u5e76\u5c06\u6570\u636e\u4fdd\u5b58\u5728\u96c6\u4e2d\u7684etcd\u6570\u636e\u5e93\u4e2d\u3002<\/p>\n<h2>\u5199\u7ed9\u8bfb\u8005<\/h2>\n<p>\u5bf9\u4e8ek8s\u521d\u5b66\u8005\u6765\u8bf4\uff0c\u5bf9k8s\u7684\u7b2c\u4e00\u5370\u8c61\u5e94\u8be5\u662f\u6982\u5ff5\u591a\uff0c\u540d\u8bcd\u591a\u3002\u300akubernetes\u6743\u5a01\u6307\u5357\uff1a\u4f01\u4e1a\u7ea7\u5bb9\u5668\u4e91\u5b9e\u6218\u300b\u8fd9\u672c\u4e66\u4ece\u4f01\u4e1a\u5b9e\u8df5\u89d2\u5ea6\u5165\u624b\uff0c\u8bb2\u8ff0\u4e86\u6280\u672f\u7684\u6f14\u8fdb\uff0c\u5e76\u5728\u5f88\u591a\u573a\u666f\u63d0\u4f9b\u4e86\u4e0d\u540c\u6280\u672f\u5b9e\u73b0\u7684\u5bf9\u6bd4\uff0c\u7ed3\u5408k8s\u4e2d\u6587\u793e\u533a\uff0c\u8fd9\u672c\u4e66\u53ef\u4ee5\u4f5c\u4e3a\u5b66\u4e60k8s\u7684\u5165\u95e8\u4e66\u7c4d\u3002\u672c\u6587\u5b9e\u9645\u4e0a\u662f\u6b64\u4e66\u7684\u4e00\u7bc7\u8bfb\u4e66\u7b14\u8bb0\uff0c\u6587\u7ae0\u4ece\u8ba1\u7b97\u8d44\u6e90\u3001\u7f51\u7edc\u8d44\u6e90\u3001\u5b58\u50a8\u8d44\u6e90\u4e09\u4e2a\u65b9\u5411\u5c55\u5f00\uff0c\u4ecb\u7ecd\u4e86k8s\u91cc\u4e00\u4e9b\u5e38\u89c1\u7684\u6982\u5ff5\u548c\u5bf9\u8c61\u3002\u7531\u4e8e\u7bc7\u5e45\u95ee\u9898\uff0c\u5f88\u591a\u4e5f\u5f88\u91cd\u8981\u7684\u6982\u5ff5\u5e76\u6ca1\u6709\u5728\u6587\u4e2d\u8be6\u7ec6\u4ecb\u7ecd\uff0c\u8bfb\u8005\u53ef\u6839\u636e\u81ea\u8eab\u60c5\u51b5\u5c55\u5f00\u8865\u5145\u5b66\u4e60\u3002\u5173\u4e8ek8s\u6838\u5fc3\u7ec4\u4ef6\u53ca\u5de5\u4f5c\u539f\u7406\u5c06\u5728\u540e\u7eed\u9646\u7eed\u63a8\u51fa\u3002<\/p>\n<p><a href=\"https:\/\/segmentfault.com\/a\/1190000043342347\">https:\/\/segmentfault.com\/a\/1190000043342347<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4f5c\u8005\uff1a\u4eac\u4e1c\u7269\u6d41 \u6768\u5efa\u6c11 \u4e00\u3001\u5fae\u670d\u52a1\u67b6\u6784\u8d77\u6e90 \u5355\u4f53\u67b6\u6784\uff1a\u53ef\u4ee5\u7406\u89e3\u4e3a\u4e3b\u8981\u4e1a\u52a1\u903b\u8f91\u6a21\u5757\uff08\u6211\u4eec\u7f16\u5199\u7684\u4ee3\u7801\u6a21\u5757\uff0c\u4e0d\u5305\u62ec\u72ec [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[4],"tags":[],"class_list":["post-10007093","post","type-post","status-publish","format-standard","hentry","category-share"],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/posts\/10007093","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=10007093"}],"version-history":[{"count":0,"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/posts\/10007093\/revisions"}],"wp:attachment":[{"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=10007093"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=10007093"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=10007093"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}