{"id":982,"date":"2021-07-29T18:14:10","date_gmt":"2021-07-29T10:14:10","guid":{"rendered":"https:\/\/egonlin.com\/?p=982"},"modified":"2021-07-29T18:14:10","modified_gmt":"2021-07-29T10:14:10","slug":"kubernetes%e7%ae%80%e4%bb%8b","status":"publish","type":"post","link":"https:\/\/egonlin.com\/?p=982","title":{"rendered":"kubernetes\u7b80\u4ecb"},"content":{"rendered":"

k8s\u7b80\u4ecb<\/h1>\n

\u200b Kubernetes\u662f\u4e00\u4e2a\u53ef\u79fb\u690d\u7684\u3001\u53ef\u6269\u5c55\u7684\u5f00\u6e90\u5e73\u53f0\uff0c\u7528\u4e8e\u7ba1\u7406\u5bb9\u5668\u5316\u7684\u5de5\u4f5c\u8d1f\u8f7d\u548c\u670d\u52a1\uff0c\u53ef\u4fc3\u8fdb\u58f0\u660e\u5f0f\u914d\u7f6e\u548c\u81ea\u52a8\u5316\u3002Kubernetes\u62e5\u6709\u4e00\u4e2a\u5e9e\u5927\u4e14\u5feb\u901f\u589e\u957f\u7684\u751f\u6001\u7cfb\u7edf\u3002Kubernetes\u7684\u670d\u52a1\u3001\u652f\u6301\u548c\u5de5\u5177\u5e7f\u6cdb\u53ef\u7528\u3002<\/p>\n

\u4e00\u3001k8s\u7b80\u4ecb<\/h2>\n
    Kubernetes\u662f\u4e00\u4e2a\u5168\u65b0\u7684\u57fa\u4e8e\u5bb9\u5668\u6280\u672f\u7684\u5206\u5e03\u5f0f\u9886\u5148\u65b9\u6848\u3002\u7b80\u79f0\uff1aK8S\u3002\u5b83\u662fGoogle\u5f00\u6e90\u7684\u5bb9\u5668\u96c6\u7fa4\u7ba1\u7406\u7cfb\u7edf\uff0c\u5b83\u7684\u8bbe\u8ba1\u7075\u611f\u6765\u81ea\u4e8eGoogle\u5185\u90e8\u7684\u4e00\u4e2a\u53eb\u4f5cBorg\u7684\u5bb9\u5668\u7ba1\u7406\u7cfb\u7edf\u3002\u7ee7\u627f\u4e86Google\u5341\u4f59\u5e74\u7684\u5bb9\u5668\u96c6\u7fa4\u4f7f\u7528\u7ecf\u9a8c\u3002\u5b83\u4e3a\u5bb9\u5668\u5316\u7684\u5e94\u7528\u63d0\u4f9b\u4e86\u90e8\u7f72\u8fd0\u884c\u3001\u8d44\u6e90\u8c03\u5ea6\u3001\u670d\u52a1\u53d1\u73b0\u548c\u52a8\u6001\u4f38\u7f29\u7b49\u4e00\u4e9b\u5217\u5b8c\u6574\u7684\u529f\u80fd\uff0c\u6781\u5927\u5730\u63d0\u9ad8\u4e86\u5927\u89c4\u6a21\u5bb9\u5668\u96c6\u7fa4\u7ba1\u7406\u7684\u4fbf\u6377\u6027\u3002\n    kubernetes\u662f\u4e00\u4e2a\u5b8c\u5907\u7684\u5206\u5e03\u5f0f\u7cfb\u7edf\u652f\u6491\u5e73\u53f0\u3002\u5177\u6709\u5b8c\u5907\u7684\u96c6\u7fa4\u7ba1\u7406\u80fd\u529b\uff0c\u591a\u6269\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\u53d1\u73b0\u673a\u5236\u3001\u5167\u5efa\u667a\u80fd\u8d1f\u8f7d\u5747\u8861\u5668\u3001\u5f3a\u5927\u7684\u6545\u969c\u53d1\u73b0\u548c\u81ea\u6211\u4fee\u590d\u80fd\u529b\u3001\u670d\u52a1\u6eda\u52a8\u5347\u7ea7\u548c\u5728\u7ebf\u6269\u5bb9\u80fd\u529b\u3001\u53ef\u6269\u5c55\u7684\u8d44\u6e90\u81ea\u52a8\u8c03\u5ea6\u673a\u5236\u4ee5\u53ca\u591a\u7c92\u5ea6\u7684\u8d44\u6e90\u914d\u989d\u7ba1\u7406\u80fd\u529b\u3002\n    \u5728\u96c6\u7fa4\u7ba1\u7406\u65b9\u9762\uff0cKubernetes\u5c06\u96c6\u7fa4\u4e2d\u7684\u673a\u5668\u5212\u5206\u4e3a\u4e00\u4e2aMaster\u8282\u70b9\u548c\u4e00\u7fa4\u5de5\u4f5c\u8282\u70b9Node\uff0c\u5176\u4e2d\uff0c\u5728Master\u8282\u70b9\u8fd0\u884c\u7740\u96c6\u7fa4\u7ba1\u7406\u76f8\u5173\u7684\u4e00\u7ec4\u8fdb\u7a0bkube-apiserver\u3001kube-controller-manager\u548ckube-scheduler\uff0c\u8fd9\u4e9b\u8fdb\u7a0b\u5b9e\u73b0\u4e86\u6574\u4e2a\u96c6\u7fa4\u7684\u8d44\u6e90\u7ba1\u7406\u3001Pod\u8c03\u5ea6\u3001\u5f39\u6027\u4f38\u7f29\u3001\u5b89\u5168\u63a7\u5236\u3001\u7cfb\u7edf\u76d1\u63a7\u548c\u7ea0\u9519\u7b49\u7ba1\u7406\u80fd\u529b\uff0c\u5e76\u4e14\u90fd\u662f\u5168\u81ea\u52a8\u5b8c\u6210\u7684\u3002Node\u4f5c\u4e3a\u96c6\u7fa4\u4e2d\u7684\u5de5\u4f5c\u8282\u70b9\uff0c\u8fd0\u884c\u771f\u6b63\u7684\u5e94\u7528\u7a0b\u5e8f\uff0c\u5728Node\u4e0aKubernetes\u7ba1\u7406\u7684\u6700\u5c0f\u8fd0\u884c\u5355\u5143\u662fPod\u3002Node\u4e0a\u8fd0\u884c\u7740Kubernetes\u7684kubelet\u3001kube-proxy\u670d\u52a1\u8fdb\u7a0b\uff0c\u8fd9\u4e9b\u670d\u52a1\u8fdb\u7a0b\u8d1f\u8d23Pod\u7684\u521b\u5efa\u3001\u542f\u52a8\u3001\u76d1\u63a7\u3001\u91cd\u542f\u3001\u9500\u6bc1\u4ee5\u53ca\u5b9e\u73b0\u8f6f\u4ef6\u6a21\u5f0f\u7684\u8d1f\u8f7d\u5747\u8861\u5668\u3002\n    \u5728Kubernetes\u96c6\u7fa4\u4e2d\uff0c\u5b83\u89e3\u51b3\u4e86\u4f20\u7edfIT\u7cfb\u7edf\u4e2d\u670d\u52a1\u6269\u5bb9\u548c\u5347\u7ea7\u7684\u4e24\u5927\u96be\u9898\u3002\u5982\u679c\u4eca\u5929\u7684\u8f6f\u4ef6\u5e76\u4e0d\u662f\u7279\u522b\u590d\u6742\u5e76\u4e14\u9700\u8981\u627f\u8f7d\u7684\u5cf0\u503c\u6d41\u91cf\u4e0d\u662f\u7279\u522b\u591a\uff0c\u90a3\u4e48\u540e\u7aef\u9879\u76ee\u7684\u90e8\u7f72\u5176\u5b9e\u4e5f\u53ea\u9700\u8981\u5728\u865a\u62df\u673a\u4e0a\u5b89\u88c5\u4e00\u4e9b\u7b80\u5355\u7684\u4f9d\u8d56\uff0c\u5c06\u9700\u8981\u90e8\u7f72\u7684\u9879\u76ee\u7f16\u8bd1\u540e\u8fd0\u884c\u5c31\u53ef\u4ee5\u4e86\u3002\u4f46\u662f\u968f\u7740\u8f6f\u4ef6\u53d8\u5f97\u8d8a\u6765\u8d8a\u590d\u6742\uff0c\u4e00\u4e2a\u5b8c\u6574\u7684\u540e\u7aef\u670d\u52a1\u4e0d\u518d\u662f\u5355\u4f53\u670d\u52a1\uff0c\u800c\u662f\u7531\u591a\u4e2a\u804c\u8d23\u548c\u529f\u80fd\u4e0d\u540c\u7684\u670d\u52a1\u7ec4\u6210\uff0c\u670d\u52a1\u4e4b\u95f4\u590d\u6742\u7684\u62d3\u6251\u5173\u7cfb\u4ee5\u53ca\u5355\u673a\u5df2\u7ecf\u65e0\u6cd5\u6ee1\u8db3\u7684\u6027\u80fd\u9700\u6c42\u4f7f\u5f97\u8f6f\u4ef6\u7684\u90e8\u7f72\u548c\u8fd0\u7ef4\u5de5\u4f5c\u53d8\u5f97\u975e\u5e38\u590d\u6742\uff0c\u8fd9\u4e5f\u5c31\u4f7f\u5f97\u90e8\u7f72\u548c\u8fd0\u7ef4\u5927\u578b\u96c6\u7fa4\u53d8\u6210\u4e86\u975e\u5e38\u8feb\u5207\u7684\u9700\u6c42\u3002\n    Kubernetes\u7684\u51fa\u73b0\u4e0d\u4ec5\u4e3b\u5bb0\u4e86\u5bb9\u5668\u7f16\u6392\u7684\u5e02\u573a\uff0c\u66f4\u6539\u53d8\u4e86\u8fc7\u53bb\u7684\u8fd0\u7ef4\u65b9\u5f0f\uff0c\u4e0d\u4ec5\u5c06\u5f00\u53d1\u4e0e\u8fd0\u7ef4\u4e4b\u95f4\u8fb9\u754c\u53d8\u5f97\u66f4\u52a0\u6a21\u7cca\uff0c\u800c\u4e14\u8ba9DevOps\u8fd9\u4e00\u89d2\u8272\u53d8\u5f97\u66f4\u52a0\u6e05\u6670\uff0c\u6bcf\u4e00\u4e2a\u8f6f\u4ef6\u5de5\u7a0b\u5e08\u90fd\u53ef\u4ee5\u901a\u8fc7Kubernetes\u6765\u5b9a\u4e49\u670d\u52a1\u4e4b\u95f4\u7684\u62d3\u6251\u5173\u7cfb\u3001\u7ebf\u4e0a\u7684\u8282\u70b9\u4e2a\u6570\u3001\u8d44\u6e90\u4f7f\u7528\u91cf\u5e76\u4e14\u80fd\u591f\u5feb\u901f\u5b9e\u73b0\u6c34\u5e73\u6269\u5bb9\u3001\u84dd\u7eff\u90e8\u7f72\u7b49\u5728\u8fc7\u53bb\u590d\u6742\u7684\u8fd0\u7ef4\u64cd\u4f5c\u3002<\/code><\/pre>\n
1\u3001\u67b6\u6784<\/h3>\n
    Kubernetes\u9075\u5faa\u975e\u5e38\u4f20\u7edf\u7684\u5ba2\u6237\u7aef\u670d\u52a1\u7aef\u67b6\u6784\uff0c\u5ba2\u6237\u7aef\u901a\u8fc7RESTful\u63a5\u53e3\u6216\u8005\u76f4\u63a5\u4f7f\u7528kubectl\u4e0eKubernetes\u96c6\u7fa4\u8fdb\u884c\u901a\u4fe1\uff0c\u8fd9\u4e24\u8005\u5728\u5b9e\u9645\u4e0a\u5e76\u6ca1\u6709\u592a\u591a\u7684\u533a\u522b\uff0c\u540e\u8005\u4e5f\u53ea\u662f\u5bf9Kubernetes\u63d0\u4f9b\u7684RESTfulAPI\u8fdb\u884c\u5c01\u88c5\u5e76\u63d0\u4f9b\u51fa\u6765\u3002\u6bcf\u4e00\u4e2aKubernetes\u96c6\u7fa4\u90fd\u7531\u4e00\u7ec4Master\u8282\u70b9\u548c\u4e00\u7cfb\u5217\u7684Worker\u8282\u70b9\u7ec4\u6210\uff0c\u5176\u4e2dMaster\u8282\u70b9\u4e3b\u8981\u8d1f\u8d23\u5b58\u50a8\u96c6\u7fa4\u7684\u72b6\u6001\u5e76\u4e3aKubernetes\u5bf9\u8c61\u5206\u914d\u548c\u8c03\u5ea6\u8d44\u6e90.<\/code><\/pre>\n
1)Master<\/h4>\n
\u200b   \u5b83\u4e3b\u8981\u8d1f\u8d23\u63a5\u6536\u5ba2\u6237\u7aef\u7684\u8bf7\u6c42\uff0c\u5b89\u6392\u5bb9\u5668\u7684\u6267\u884c\u5e76\u4e14\u8fd0\u884c\u63a7\u5236\u5faa\u73af\uff0c\u5c06\u96c6\u7fa4\u7684\u72b6\u6001\u5411\u76ee\u6807\u72b6\u6001\u8fdb\u884c\u8fc1\u79fb\uff0cMaster\u8282\u70b9\u5185\u90e8\u7531\u4e09\u4e2a\u7ec4\u4ef6\u6784\u6210:<\/p>\n
\u2460 API Server<\/h5>\n
    \u8d1f\u8d23\u5904\u7406\u6765\u81ea\u7528\u6237\u7684\u8bf7\u6c42\uff0c\u5176\u4e3b\u8981\u4f5c\u7528\u5c31\u662f\u5bf9\u5916\u63d0\u4f9bRESTful\u7684\u63a5\u53e3\uff0c\u5305\u62ec\u7528\u4e8e\u67e5\u770b\u96c6\u7fa4\u72b6\u6001\u7684\u8bfb\u8bf7\u6c42\u4ee5\u53ca\u6539\u53d8\u96c6\u7fa4\u72b6\u6001\u7684\u5199\u8bf7\u6c42\uff0c\u4e5f\u662f\u552f\u4e00\u4e00\u4e2a\u4e0eetcd\u96c6\u7fa4\u901a\u4fe1\u7684\u7ec4\u4ef6\u3002<\/code><\/pre>\n
\u2461ControllerManager<\/h5>\n
    \u7ba1\u7406\u5668\u8fd0\u884c\u4e86\u4e00\u7cfb\u5217\u7684\u63a7\u5236\u5668\u8fdb\u7a0b\uff0c\u8fd9\u4e9b\u8fdb\u7a0b\u4f1a\u6309\u7167\u7528\u6237\u7684\u671f\u671b\u72b6\u6001\u5728\u540e\u53f0\u4e0d\u65ad\u5730\u8c03\u8282\u6574\u4e2a\u96c6\u7fa4\u4e2d\u7684\u5bf9\u8c61\uff0c\u5f53\u670d\u52a1\u7684\u72b6\u6001\u53d1\u751f\u4e86\u6539\u53d8\uff0c\u63a7\u5236\u5668\u5c31\u4f1a\u53d1\u73b0\u8fd9\u4e2a\u6539\u53d8\u5e76\u4e14\u5f00\u59cb\u5411\u76ee\u6807\u72b6\u6001\u8fc1\u79fb\u3002<\/code><\/pre>\n
\u2462Scheduler<\/h5>\n
    \u8c03\u5ea6\u5668\u5176\u5b9e\u4e3aKubernetes\u4e2d\u8fd0\u884c\u7684Pod\u9009\u62e9\u90e8\u7f72\u7684Worker\u8282\u70b9\uff0c\u5b83\u4f1a\u6839\u636e\u7528\u6237\u7684\u9700\u8981\u9009\u62e9\u6700\u80fd\u6ee1\u8db3\u8bf7\u6c42\u7684\u8282\u70b9\u6765\u8fd0\u884cPod\uff0c\u5b83\u4f1a\u5728\u6bcf\u6b21\u9700\u8981\u8c03\u5ea6Pod\u65f6\u6267\u884c\u3002<\/code><\/pre>\n
2\uff09Node\u8282\u70b9<\/h4>\n
    Node\u8282\u70b9\u5b9e\u73b0\u76f8\u5bf9\u7b80\u5355\u4e00\u70b9\uff0c\u4e3b\u8981\u662f\u7531kubelet\u548ckube-proxy\u4e24\u90e8\u5206\u7ec4\u6210\uff1a\n\n    kubelet\u662f\u4e00\u4e2a\u8282\u70b9\u4e0a\u7684\u4e3b\u8981\u670d\u52a1\uff0c\u5b83\u5468\u671f\u6027\u5730\u4eceAPIServer\u63a5\u53d7\u65b0\u7684\u6216\u8005\u4fee\u6539\u7684Pod\u89c4\u8303\u5e76\u4e14\u4fdd\u8bc1\u8282\u70b9\u4e0a\u7684Pod\u548c\u5176\u4e2d\u5bb9\u5668\u7684\u6b63\u5e38\u8fd0\u884c\uff0c\u8fd8\u4f1a\u4fdd\u8bc1\u8282\u70b9\u4f1a\u5411\u76ee\u6807\u72b6\u6001\u8fc1\u79fb\uff0c\u8be5\u8282\u70b9\u4ecd\u7136\u4f1a\u5411Master\u8282\u70b9\u53d1\u9001\u5bbf\u4e3b\u673a\u7684\u5065\u5eb7\u72b6\u51b5\u3002\n\n    kube-proxy\u8d1f\u8d23\u5bbf\u4e3b\u673a\u7684\u5b50\u7f51\u7ba1\u7406\uff0c\u540c\u65f6\u4e5f\u80fd\u5c06\u670d\u52a1\u66b4\u9732\u7ed9\u5916\u90e8\uff0c\u5176\u539f\u7406\u5c31\u662f\u5728\u591a\u4e2a\u9694\u79bb\u7684\u7f51\u7edc\u4e2d\u628a\u8bf7\u6c42\u8f6c\u53d1\u7ed9\u6b63\u786e\u7684Pod\u6216\u8005\u5bb9\u5668\u3002<\/code><\/pre>\n
3\uff09\u67b6\u6784\u56fe<\/h4>\n
\"\"<\/div><\/p>\n
flannel\u7f51\u7edc\u56fe<\/strong><\/p>\n
\u529f\u80fd\uff1a\n    \u8ba9\u96c6\u7fa4\u4e2d\u7684\u4e0d\u540c\u8282\u70b9\u4e3b\u673a\u521b\u5efa\u7684Docker\u5bb9\u5668\u90fd\u5177\u6709\u5168\u96c6\u7fa4\u552f\u4e00\u7684\u865a\u62dfIP\u5730\u5740\u3002\u4f46\u5728\u9ed8\u8ba4\u7684Docker\u914d\u7f6e\u4e2d\uff0c\u6bcf\u4e2aNode\u7684Docker\u670d\u52a1\u4f1a\u5206\u522b\u8d1f\u8d23\u6240\u5728\u8282\u70b9\u5bb9\u5668\u7684IP\u5206\u914d\u3002Node\u5185\u90e8\u5f97\u5bb9\u5668\u4e4b\u95f4\u53ef\u4ee5\u76f8\u4e92\u8bbf\u95ee,\u4f46\u662f\u8de8\u4e3b\u673a(Node)\u7f51\u7edc\u76f8\u4e92\u95f4\u662f\u4e0d\u80fd\u901a\u4fe1\u3002Flannel\u8bbe\u8ba1\u76ee\u7684\u5c31\u662f\u4e3a\u96c6\u7fa4\u4e2d\u6240\u6709\u8282\u70b9\u91cd\u65b0\u89c4\u5212IP\u5730\u5740\u7684\u4f7f\u7528\u89c4\u5219\uff0c\u4ece\u800c\u4f7f\u5f97\u4e0d\u540c\u8282\u70b9\u4e0a\u7684\u5bb9\u5668\u80fd\u591f\u83b7\u5f97"\u540c\u5c5e\u4e00\u4e2a\u5185\u7f51"\u4e14"\u4e0d\u91cd\u590d\u7684"IP\u5730\u5740\uff0c\u5e76\u8ba9\u5c5e\u4e8e\u4e0d\u540c\u8282\u70b9\u4e0a\u7684\u5bb9\u5668\u80fd\u591f\u76f4\u63a5\u901a\u8fc7\u5185\u7f51IP\u901a\u4fe1\u3002\n\n\u539f\u7406\uff1a\n    Flannel \u4f7f\u7528etcd\u5b58\u50a8\u914d\u7f6e\u6570\u636e\u548c\u5b50\u7f51\u5206\u914d\u4fe1\u606f\u3002flannel \u542f\u52a8\u4e4b\u540e\uff0c\u540e\u53f0\u8fdb\u7a0b\u9996\u5148\u68c0\u7d22\u914d\u7f6e\u548c\u6b63\u5728\u4f7f\u7528\u7684\u5b50\u7f51\u5217\u8868\uff0c\u7136\u540e\u9009\u62e9\u4e00\u4e2a\u53ef\u7528\u7684\u5b50\u7f51\uff0c\u7136\u540e\u5c1d\u8bd5\u53bb\u6ce8\u518c\u5b83\u3002etcd\u4e5f\u5b58\u50a8\u8fd9\u4e2a\u6bcf\u4e2a\u4e3b\u673a\u5bf9\u5e94\u7684ip\u3002flannel \u4f7f\u7528etcd\u7684watch\u673a\u5236\u76d1\u89c6\/coreos.com\/network\/subnets\u4e0b\u9762\u6240\u6709\u5143\u7d20\u7684\u53d8\u5316\u4fe1\u606f\uff0c\u5e76\u4e14\u6839\u636e\u5b83\u6765\u7ef4\u62a4\u4e00\u4e2a\u8def\u7531\u8868\u3002\u4e3a\u4e86\u63d0\u9ad8\u6027\u80fd\uff0cflannel\u4f18\u5316\u4e86Universal TAP\/TUN\u8bbe\u5907\uff0c\u5bf9TUN\u548cUDP\u4e4b\u95f4\u7684ip\u5206\u7247\u505a\u4e86\u4ee3\u7406\u3002\n\n\u5de5\u4f5c\u6d41\u7a0b\uff1a\n    1\u3001\u6570\u636e\u4ece\u6e90\u5bb9\u5668\u4e2d\u53d1\u51fa\u540e\uff0c\u7ecf\u7531\u6240\u5728\u4e3b\u673a\u7684docker0\u865a\u62df\u7f51\u5361\u8f6c\u53d1\u5230flannel0\u865a\u62df\u7f51\u5361\uff0c\u8fd9\u662f\u4e2aP2P\u7684\u865a\u62df\u7f51\u5361\uff0cflanneld\u670d\u52a1\u76d1\u542c\u5728\u7f51\u5361\u7684\u53e6\u5916\u4e00\u7aef\u3002\n\n    2\u3001Flannel\u901a\u8fc7Etcd\u670d\u52a1\u7ef4\u62a4\u4e86\u4e00\u5f20\u8282\u70b9\u95f4\u7684\u8def\u7531\u8868\uff0c\u8be5\u5f20\u8868\u91cc\u4fdd\u5b58\u4e86\u5404\u4e2a\u8282\u70b9\u4e3b\u673a\u7684\u5b50\u7f51\u7f51\u6bb5\u4fe1\u606f\u3002\n\n    3\u3001\u6e90\u4e3b\u673a\u7684flanneld\u670d\u52a1\u5c06\u539f\u672c\u7684\u6570\u636e\u5185\u5bb9UDP\u5c01\u88c5\u540e\u6839\u636e\u81ea\u5df1\u7684\u8def\u7531\u8868\u6295\u9012\u7ed9\u76ee\u7684\u8282\u70b9\u7684flanneld\u670d\u52a1\uff0c\u6570\u636e\u5230\u8fbe\u4ee5\u540e\u88ab\u89e3\u5305\uff0c\u7136\u540e\u76f4\u63a5\u8fdb\u5165\u76ee\u7684\u8282\u70b9\u7684flannel0\u865a\u62df\u7f51\u5361\uff0c\u7136\u540e\u88ab\u8f6c\u53d1\u5230\u76ee\u7684\u4e3b\u673a\u7684docker0\u865a\u62df\u7f51\u5361\uff0c\u6700\u540e\u5c31\u50cf\u672c\u673a\u5bb9\u5668\u901a\u4fe1\u4e00\u6837\u7684\u7531docker0\u8def\u7531\u5230\u8fbe\u76ee\u6807\u5bb9\u5668\u3002\n<\/code><\/pre>\n
\"\"<\/div><\/p>\n
\u6838\u5fc3\u7ec4\u4ef6\u4ecb\u7ecd<\/strong><\/h4>\n
Master\u8282\u70b9<\/strong><\/p>\n\n\n\n\n\n\n\n\n
\u7ec4\u4ef6\u540d\u79f0<\/th>\n\u4f5c\u7528<\/th>\n<\/tr>\n<\/thead>\n
apiserver\uff08\u8d44\u6e90\u64cd\u4f5c\u8c03\u5ea6\u4e2d\u5fc3\uff09<\/td>\n\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<\/td>\n<\/tr>\n
etcd\uff08\u6570\u636e\u5b58\u50a8\uff09<\/td>\n\u4fdd\u5b58\u4e86\u6574\u4e2a\u96c6\u7fa4\u7684\u72b6\u6001\uff1b<\/td>\n<\/tr>\n
schedule\uff08\u8d44\u6e90\u8c03\u5ea6\u5668\uff09<\/td>\n\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<\/td>\n<\/tr>\n
controller manager\uff08\u63a7\u5236\u7ba1\u7406\u5668\uff09<\/td>\n\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<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
Node\u8282\u70b9<\/strong><\/p>\n\n\n\n\n\n\n
\u7ec4\u4ef6\u540d\u79f0<\/th>\n\u4f5c\u7528<\/th>\n<\/tr>\n<\/thead>\n
kubelet\uff08\u90e8\u7f72\u3001\u76d1\u63a7\u3001\u7ef4\u62a4\u5bb9\u5668\uff09<\/td>\n\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<\/td>\n<\/tr>\n
kube-proxy\uff08\u8d1f\u8f7d\u3001\u7f51\u7edc\u3001\u670d\u52a1\u53d1\u73b0\uff09<\/td>\n\u8d1f\u8d23\u4e3aService\u63d0\u4f9bcluster\u5185\u90e8\u7684\u670d\u52a1\u53d1\u73b0\u548c\u8d1f\u8f7d\u5747\u8861\uff1b<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
\u5176\u4ed6\u7ec4\u4ef6<\/strong><\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n
\u7ec4\u4ef6\u540d\u79f0<\/th>\n\u4f5c\u7528<\/th>\n<\/tr>\n<\/thead>\n
flannerl<\/td>\n\u63d0\u4f9b\u4e86\u96c6\u7fa4\u95f4\u7684\u7f51\u7edc<\/td>\n<\/tr>\n
kube-dns<\/td>\n\u8d1f\u8d23\u4e3a\u6574\u4e2a\u96c6\u7fa4\u63d0\u4f9bDNS\u670d\u52a1<\/td>\n<\/tr>\n
lngress Controller<\/td>\n\u4e3a\u670d\u52a1\u63d0\u4f9b\u5916\u7f51\u5165\u53e3<\/td>\n<\/tr>\n
Heapster<\/td>\n\u63d0\u4f9b\u8d44\u6e90\u76d1\u63a7<\/td>\n<\/tr>\n
Dashboard<\/td>\n\u63d0\u4f9bGUI<\/td>\n<\/tr>\n
Federation<\/td>\n\u63d0\u4f9b\u8de8\u53ef\u7528\u533a\u7684\u96c6\u7fa4<\/td>\n<\/tr>\n
Fluentd-elasticsearch<\/td>\n\u63d0\u4f9b\u96c6\u7fa4\u65e5\u5fd7\u91c7\u96c6\u3001\u5b58\u50a8\u4e0e\u67e5\u8be2<\/td>\n<\/tr>\n
rancher<\/td>\nk8s\u7ba1\u7406\u5de5\u5177<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
4\uff09\u547d\u4ee4\u8fd0\u884c\u8fc7\u7a0b<\/h4>\n
1\u3001kubectl\u53d1\u9001\u4e86\u4e00\u4e2a\u90e8\u7f72nginx\u7684\u4efb\u52a1\n2\u3001\u8fdb\u5165Master\u8282\u70b9\uff0c\u8fdb\u884c\u5b89\u5168\u8ba4\u8bc1\uff0c\n3\u3001\u8ba4\u8bc1\u901a\u8fc7\u540e\uff0cAPIserver\u63a5\u53d7\u6307\u4ee4\n4\u3001\u5c06\u90e8\u7f72\u7684\u547d\u4ee4\u6570\u636e\u8bb0\u5f55\u5230etcd\u4e2d\n5\u3001APIserver\u518d\u8bfb\u53d6etcd\u4e2d\u7684\u547d\u4ee4\u6570\u636e\n6\u3001APIserver\u627e\u5230scheduler\uff08\u8c03\u5ea6\u5668\uff09\uff0c\u8bf4\u8981\u90e8\u7f72nginx\n7\u3001scheduler\uff08\u8c03\u5ea6\u5668\uff09\u627eAPIserver\u8c03\u53d6\u5de5\u4f5c\u8282\u70b9\u6570\u636e\u3002\n8\u3001APIserver\u8c03\u53d6etcd\u4e2d\u5b58\u50a8\u7684\u6570\u636e\uff0c\u5e76\u5c06\u6570\u636e\u53d1\u7ed9scheduler\u3002\n9\u3001scheduler\u901a\u8fc7\u8ba1\u7b97\uff0c\u6bd4\u8f83\u627e\u5230\u9002\u5408\u90e8\u7f72nginx\u7684\u6700\u4f73\u8282\u70b9\u662fnode1\uff0c\u53d1\u9001\u7ed9APIserver\u3002\n10\u3001APIserver\u5c06\u8981\u90e8\u7f72\u5728node1\u7684\u8ba1\u5212\u5b58\u50a8\u5230etcd\u4e2d\u3002\n11\u3001APIserver\u8bfb\u53d6etcd\u4e2d\u7684\u90e8\u7f72\u8ba1\u5212\uff0c\u901a\u77e5node1\u8282\u70b9\u7684kubelet\u90e8\u7f72\u5bb9\u5668\n12\u3001kubelet\u6839\u636e\u6307\u4ee4\u90e8\u7f72nginx\u5bb9\u5668\uff0ckube-proxy\u4e3anginx\u5bb9\u5668\u521b\u5efa\u7f51\u6865\n13\u3001\u5bb9\u5668\u7f51\u6865\u90e8\u7f72\u5b8c\u6210\u540e\uff0ckubelet\u901a\u77e5APIserver\u90e8\u7f72\u5de5\u4f5c\u5b8c\u6210\u3002\n14\u3001APIserver\u5c06\u90e8\u7f72\u72b6\u6001\u5b58\u50a8\u5230etcd\u5f53\u4e2d\uff0c\u540c\u65f6\u901a\u77e5controller manager(\u63a7\u5236\u5668\uff09\u6709\u65b0\u6d3b\u4e86\n15\u3001controller manager\u5411APIserver\u8981\u9700\u8981\u76d1\u63a7\u5bb9\u5668\u7684\u6570\u636e\n16\u3001APIserver\u627eetcd\u8bfb\u53d6\u76f8\u5e94\u6570\u636e\uff0c\u540c\u65f6\u901a\u77e5kubelet\u8981\u6e90\u6e90\u4e0d\u65ad\u53d1\u9001\u76d1\u63a7\u7684\u6570\u636e\n17\u3001APIserver\u5c06kubelet\u53d1\u9001\u6765\u7684\u6570\u636e\u5b58\u50a8\u5230etcd\u5f53\u4e2d\n18\u3001APIserver\u5c06etcd\u7684\u6570\u636e\u8fd4\u56de\u7ed9controller manager\n19\u3001controller manager\u6839\u636e\u6570\u636e\u8ba1\u7b97\u5224\u65ad\u5bb9\u5668\u662f\u5426\u5b58\u5728\u6216\u5065\u5eb7<\/code><\/pre>\n
<\/h5>\n
\u4e8c\u3001kubernetes\u5e26\u6765\u7684\u53d8\u9769<\/h2>\n
1\u3001\u5bf9\u4e8e\u5f00\u53d1\u4eba\u5458<\/h3>\n
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2\u3001\u5bf9\u4e8e\u8fd0\u7ef4\u4eba\u5458<\/h3>\n
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\u4e09\u3001kubernetes\u5e26\u6765\u7684\u6311\u6218<\/h2>\n
    \u9996\u5148\u662f\u5bf9\u4e8ek8s\u7684\u5b66\u4e60\u672c\u8eab\u5c31\u662f\u5f88\u96be\u7684\uff0c\u6982\u5ff5\u592a\u591a\uff0c\u65e0\u4ece\u5165\u624b\uff0c\u53ef\u80fd\u5b66\u4e60\u4e86\u4e00\u4e2a\u6708\u4e5f\u65e0\u6cd5\u5165\u95e8\uff0c\u751a\u81f3\u8fde\u96c6\u7fa4\u4e5f\u642d\u5efa\u4e0d\u51fa\u6765\uff0c\u4f7f\u4eba\u671b\u800c\u5374\u6b65\u3002\u5e76\u4e14k8s\u5bf9\u8fd0\u7ef4\u7684\u6280\u672f\u80fd\u529b\u8981\u6c42\u6bd4\u8f83\u9ad8\uff0c\u5df2\u7ecf\u4e0d\u4ec5\u4ec5\u5c40\u9650\u4e8e\u4f20\u7edf\u8fd0\u7ef4\uff0c\u6709\u65f6\u5019\u4f60\u53ef\u80fd\u8981\u4fee\u6539\u4e1a\u52a1\u4ee3\u7801\u7b49\u3002\u5e76\u4e14\u9700\u8981\u638c\u63e1\u7684\u77e5\u8bc6\u4e5f\u9700\u8981\u5f88\u591a\uff0c\u4f60\u53ef\u80fd\u9700\u8981\u638c\u63e1\u516c\u53f8\u6240\u6709\u4f7f\u7528\u5230\u7684\u4ee3\u7801\uff0c\u6bd4\u5982\u4ee3\u7801\u662f\u5982\u4f55\u8fdb\u884c\u7f16\u8bd1\u7684\u3001\u5982\u4f55\u6b63\u786e\u53d1\u5e03\u3001\u5982\u4f55\u4fee\u6539\u4ee3\u7801\u914d\u7f6e\u6587\u4ef6\u7b49\uff0c\u8fd9\u5bf9\u4e8e\u8fd0\u7ef4\u4eba\u5458\uff0c\u4e5f\u662f\u4e00\u79cd\u6311\u6218\u3002Kubernetes\u4e4b\u6240\u4ee5\u88ab\u53eb\u505ak8s\uff0c\u4e1a\u754c\u6709\u4e24\u79cd\u8bf4\u6cd5\uff0c\u901a\u4fd7\u7684\u8bf4\u6cd5\u662fk\u548cs\u4e4b\u95f4\u67098\u4e2a\u5b57\u6bcd\uff0c\u53e6\u4e00\u79cd\u6bd4\u8f83\u8bf4\u6cd5\u662fk8s\u96c6\u7fa4\u81f3\u5c11\u9700\u8981\u642d\u5efa8\u904d\u624d\u80fd\u642d\u5efa\u6210\u529f\u3002\u5f53\u7136\uff0c\u5728\u5b9e\u9645\u4f7f\u7528\u65f6\uff0c\u53ef\u80fd\u4e0d\u6b628\u904d\u3002k8s\u7684\u8bde\u751f\uff0c\u628a\u8fd0\u7ef4\u4ece\u4f20\u7edf\u8f6c\u53d8\u5230\u4e86DevOps\u65b9\u5411\uff0c\u9700\u8981\u9762\u4e34\u7684\u95ee\u9898\u4f1a\u66f4\u591a\uff0c\u9700\u8981\u9762\u4e34\u7684\u65b0\u6280\u672f\u4e5f\u6709\u5f88\u591a\uff0c\u4f46\u662f\u5f53\u4f60\u638c\u63e1\u5230\u4e86k8s\u7684\u6838\u5fc3\u4f7f\u7528\uff0c\u5c31\u4f1a\u53d7\u76ca\u7ec8\u8eab\u3002<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"
k8s\u7b80\u4ecb \u200b Kubernetes\u662f\u4e00\u4e2a\u53ef\u79fb\u690d\u7684\u3001\u53ef\u6269\u5c55\u7684\u5f00\u6e90\u5e73\u53f0\uff0c\u7528\u4e8e\u7ba1\u7406\u5bb9\u5668\u5316\u7684\u5de5\u4f5c\u8d1f\u8f7d\u548c\u670d\u52a1\uff0c\u53ef\u4fc3\u8fdb\u58f0 […]<\/p>\n","protected":false},"author":3,"featured_media":983,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[121],"tags":[21,133,134,135,19,22,132,20],"_links":{"self":[{"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/posts\/982"}],"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=982"}],"version-history":[{"count":0,"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/posts\/982\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/media\/983"}],"wp:attachment":[{"href":"https:\/\/egonlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=982"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/egonlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=982"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/egonlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=982"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}