{"id":1542,"date":"2020-06-08T21:03:46","date_gmt":"2020-06-08T13:03:46","guid":{"rendered":"http:\/\/39.97.231.10\/?p=1542"},"modified":"2020-06-08T21:03:46","modified_gmt":"2020-06-08T13:03:46","slug":"kubernetes%e6%9e%b6%e6%9e%84%e4%bb%8b%e7%bb%8d","status":"publish","type":"post","link":"http:\/\/www.weijing.co\/?p=1542","title":{"rendered":"Kubernetes \u67b6\u6784"},"content":{"rendered":"<header class=\\\"entry-header\\\"><\/header>\n<div class=\\\"entry-content\\\">\n<div id=\\\"toc_container\\\" class=\\\"no_bullets\\\">\n<span style=\\\"font-size: 1rem;\\\">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<\/span>\n<\/div>\n<p id=\\\"kubernetes\u67b6\u6784\\\">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<br \/>\nKubernetes \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<h2 id=\\\"borg\u7b80\u4ecb\\\"><span id=\\\"Borg\\\">Borg\u7b80\u4ecb<\/span><\/h2>\n<p class=\\\"comments-section\\\">Borg\u662f\u8c37\u6b4c\u5185\u90e8\u7684\u5927\u89c4\u6a21\u96c6\u7fa4\u7ba1\u7406\u7cfb\u7edf\uff0c\u8d1f\u8d23\u5bf9\u8c37\u6b4c\u5185\u90e8\u5f88\u591a\u6838\u5fc3\u670d\u52a1\u7684\u8c03\u5ea6\u548c\u7ba1\u7406\u3002Borg\u7684\u76ee\u7684\u662f\u8ba9\u7528\u6237\u80fd\u591f\u4e0d\u5fc5\u64cd\u5fc3\u8d44\u6e90\u7ba1\u7406\u7684\u95ee\u9898\uff0c\u8ba9\u4ed6\u4eec\u4e13\u6ce8\u4e8e\u81ea\u5df1\u7684\u6838\u5fc3\u4e1a\u52a1\uff0c\u5e76\u4e14\u505a\u5230\u8de8\u591a\u4e2a\u6570\u636e\u4e2d\u5fc3\u7684\u8d44\u6e90\u5229\u7528\u7387\u6700\u5927\u5316\u3002<\/p>\n<p class=\\\"comments-section\\\">Borg\u4e3b\u8981\u7531BorgMaster\u3001Borglet\u3001borgcfg\u548cScheduler\u7ec4\u6210\uff0c\u5982\u4e0b\u56fe\u6240\u793a<\/p>\n<p><img src=\\\"https:\/\/feisky.gitbooks.io\/kubernetes\/architecture\/images\/borg.png\\\" alt=\\\"borg\\\" \/><\/p>\n<ul>\n<li>BorgMaster\u662f\u6574\u4e2a\u96c6\u7fa4\u7684\u5927\u8111\uff0c\u8d1f\u8d23\u7ef4\u62a4\u6574\u4e2a\u96c6\u7fa4\u7684\u72b6\u6001\uff0c\u5e76\u5c06\u6570\u636e\u6301\u4e45\u5316\u5230Paxos\u5b58\u50a8\u4e2d\uff1b<\/li>\n<li>Scheduer\u8d1f\u8d23\u4efb\u52a1\u7684\u8c03\u5ea6\uff0c\u6839\u636e\u5e94\u7528\u7684\u7279\u70b9\u5c06\u5176\u8c03\u5ea6\u5230\u5177\u4f53\u7684\u673a\u5668\u4e0a\u53bb\uff1b<\/li>\n<li>Borglet\u8d1f\u8d23\u771f\u6b63\u8fd0\u884c\u4efb\u52a1\uff08\u5728\u5bb9\u5668\u4e2d\uff09\uff1b<\/li>\n<li>borgcfg\u662fBorg\u7684\u547d\u4ee4\u884c\u5de5\u5177\uff0c\u7528\u4e8e\u8ddfBorg\u7cfb\u7edf\u4ea4\u4e92\uff0c\u4e00\u822c\u901a\u8fc7\u4e00\u4e2a\u914d\u7f6e\u6587\u4ef6\u6765\u63d0\u4ea4\u4efb\u52a1\u3002<\/li>\n<\/ul>\n<h2 id=\\\"kubernetes\u67b6\u6784\\\"><span id=\\\"Kubernetes\\\">Kubernetes\u67b6\u6784<\/span><\/h2>\n<p class=\\\"comments-section\\\">Kubernetes\u501f\u9274\u4e86Borg\u7684\u8bbe\u8ba1\u7406\u5ff5\uff0c\u6bd4\u5982Pod\u3001Service\u3001Labels\u548c\u5355Pod\u5355IP\u7b49\u3002Kubernetes\u7684\u6574\u4f53\u67b6\u6784\u8ddfBorg\u975e\u5e38\u50cf\uff0c\u5982\u4e0b\u56fe\u6240\u793a<img src=\\\"https:\/\/feisky.gitbooks.io\/kubernetes\/architecture\/images\/architecture.png\\\" alt=\\\"architecture\\\" \/><\/p>\n<p class=\\\"comments-section\\\">Kubernetes\u4e3b\u8981\u7531\u4ee5\u4e0b\u51e0\u4e2a\u6838\u5fc3\u7ec4\u4ef6\u7ec4\u6210\uff1a<\/p>\n<ul>\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<\/ul>\n<p class=\\\"comments-section\\\">\u9664\u4e86\u6838\u5fc3\u7ec4\u4ef6\uff0c\u8fd8\u6709\u4e00\u4e9b\u63a8\u8350\u7684Add-ons\uff1a<\/p>\n<ul>\n<li>kube-dns\u8d1f\u8d23\u4e3a\u6574\u4e2a\u96c6\u7fa4\u63d0\u4f9bDNS\u670d\u52a1<\/li>\n<li>Ingress Controller\u4e3a\u670d\u52a1\u63d0\u4f9b\u5916\u7f51\u5165\u53e3<\/li>\n<li>Heapster\u63d0\u4f9b\u8d44\u6e90\u76d1\u63a7<\/li>\n<li>Dashboard\u63d0\u4f9bGUI<\/li>\n<li>Federation\u63d0\u4f9b\u8de8\u53ef\u7528\u533a\u7684\u96c6\u7fa4<\/li>\n<li>Fluentd-elasticsearch\u63d0\u4f9b\u96c6\u7fa4\u65e5\u5fd7\u91c7\u96c6\u3001\u5b58\u50a8\u4e0e\u67e5\u8be2<\/li>\n<\/ul>\n<p><img src=\\\"https:\/\/feisky.gitbooks.io\/kubernetes\/architecture\/images\/14791969222306.png\\\" alt=\\\"\\\" \/><br \/>\n<img src=\\\"https:\/\/feisky.gitbooks.io\/kubernetes\/architecture\/images\/14791969311297.png\\\" alt=\\\"\\\" \/><\/p>\n<h3 id=\\\"\u5206\u5c42\u67b6\u6784\\\"><span id=\\\"i\\\">\u5206\u5c42\u67b6\u6784<\/span><\/h3>\n<p class=\\\"comments-section\\\">Kubernetes\u8bbe\u8ba1\u7406\u5ff5\u548c\u529f\u80fd\u5176\u5b9e\u5c31\u662f\u4e00\u4e2a\u7c7b\u4f3cLinux\u7684\u5206\u5c42\u67b6\u6784\uff0c\u5982\u4e0b\u56fe\u6240\u793a<\/p>\n<p><img src=\\\"https:\/\/feisky.gitbooks.io\/kubernetes\/architecture\/images\/14937095836427.jpg\\\" alt=\\\"\\\" \/><\/p>\n<ul>\n<li>\u6838\u5fc3\u5c42\uff1aKubernetes\u6700\u6838\u5fc3\u7684\u529f\u80fd\uff0c\u5bf9\u5916\u63d0\u4f9bAPI\u6784\u5efa\u9ad8\u5c42\u7684\u5e94\u7528\uff0c\u5bf9\u5185\u63d0\u4f9b\u63d2\u4ef6\u5f0f\u5e94\u7528\u6267\u884c\u73af\u5883<\/li>\n<li>\u5e94\u7528\u5c42\uff1a\u90e8\u7f72\uff08\u65e0\u72b6\u6001\u5e94\u7528\u3001\u6709\u72b6\u6001\u5e94\u7528\u3001\u6279\u5904\u7406\u4efb\u52a1\u3001\u96c6\u7fa4\u5e94\u7528\u7b49\uff09\u548c\u8def\u7531\uff08\u670d\u52a1\u53d1\u73b0\u3001DNS\u89e3\u6790\u7b49\uff09<\/li>\n<li>\u7ba1\u7406\u5c42\uff1a\u7cfb\u7edf\u5ea6\u91cf\uff08\u5982\u57fa\u7840\u8bbe\u65bd\u3001\u5bb9\u5668\u548c\u7f51\u7edc\u7684\u5ea6\u91cf\uff09\uff0c\u81ea\u52a8\u5316\uff08\u5982\u81ea\u52a8\u6269\u5c55\u3001\u52a8\u6001Provision\u7b49\uff09\u4ee5\u53ca\u7b56\u7565\u7ba1\u7406\uff08<a href=\\\"http:\/\/docs.kubernetes.org.cn\/148.html\\\" target=\\\"_blank\\\" rel=\\\"noopener noreferrer\\\">RBAC<\/a>\u3001Quota\u3001PSP\u3001NetworkPolicy\u7b49\uff09<\/li>\n<li>\u63a5\u53e3\u5c42\uff1a<a href=\\\"http:\/\/docs.kubernetes.org.cn\/61.html\\\" target=\\\"_blank\\\" rel=\\\"noopener noreferrer\\\">kubectl\u547d\u4ee4\u884c\u5de5\u5177<\/a>\u3001\u5ba2\u6237\u7aefSDK\u4ee5\u53ca\u96c6\u7fa4\u8054\u90a6<\/li>\n<li>\u751f\u6001\u7cfb\u7edf\uff1a\u5728\u63a5\u53e3\u5c42\u4e4b\u4e0a\u7684\u5e9e\u5927\u5bb9\u5668\u96c6\u7fa4\u7ba1\u7406\u8c03\u5ea6\u7684\u751f\u6001\u7cfb\u7edf\uff0c\u53ef\u4ee5\u5212\u5206\u4e3a\u4e24\u4e2a\u8303\u7574\n<ul>\n<li>Kubernetes\u5916\u90e8\uff1a\u65e5\u5fd7\u3001\u76d1\u63a7\u3001\u914d\u7f6e\u7ba1\u7406\u3001CI\u3001CD\u3001Workflow\u3001FaaS\u3001OTS\u5e94\u7528\u3001ChatOps\u7b49<\/li>\n<li>Kubernetes\u5185\u90e8\uff1aCRI\u3001CNI\u3001CVI\u3001\u955c\u50cf\u4ed3\u5e93\u3001Cloud Provider\u3001\u96c6\u7fa4\u81ea\u8eab\u7684\u914d\u7f6e\u548c\u7ba1\u7406\u7b49<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<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  &hellip;<\/p>\n<p class=\"read-more\"> <a class=\"\" href=\"http:\/\/www.weijing.co\/?p=1542\"> <span class=\"screen-reader-text\">Kubernetes \u67b6\u6784<\/span> \u67e5\u770b\u5168\u6587 &raquo;<\/a><\/p>\n","protected":false},"author":4,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"default","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":""},"categories":[104,123],"tags":[],"uagb_featured_image_src":{"full":false,"thumbnail":false,"medium":false,"medium_large":false,"large":false,"1536x1536":false,"2048x2048":false,"mailpoet_newsletter_max":false,"woocommerce_thumbnail":false,"woocommerce_single":false,"woocommerce_gallery_thumbnail":false,"shop_catalog":false,"shop_single":false,"shop_thumbnail":false},"uagb_author_info":{"display_name":"weijing","author_link":"http:\/\/www.weijing.co\/?author=4"},"uagb_comment_info":0,"uagb_excerpt":"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 &hellip;","_links":{"self":[{"href":"http:\/\/www.weijing.co\/index.php?rest_route=\/wp\/v2\/posts\/1542"}],"collection":[{"href":"http:\/\/www.weijing.co\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.weijing.co\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.weijing.co\/index.php?rest_route=\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"http:\/\/www.weijing.co\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1542"}],"version-history":[{"count":0,"href":"http:\/\/www.weijing.co\/index.php?rest_route=\/wp\/v2\/posts\/1542\/revisions"}],"wp:attachment":[{"href":"http:\/\/www.weijing.co\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1542"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.weijing.co\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1542"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.weijing.co\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1542"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}