{"id":1555,"date":"2020-06-08T21:36:21","date_gmt":"2020-06-08T13:36:21","guid":{"rendered":"http:\/\/39.97.231.10\/?p=1555"},"modified":"2020-06-08T21:36:21","modified_gmt":"2020-06-08T13:36:21","slug":"k3s%e6%9e%b6%e6%9e%84%e8%ae%be%e8%ae%a1","status":"publish","type":"post","link":"http:\/\/www.weijing.co\/?p=1555","title":{"rendered":"K3S\u67b6\u6784\u8bbe\u8ba1"},"content":{"rendered":"<h2>\u4ec0\u4e48\u662fK3S<\/h2>\n<p>k3s\u662f\u5b8c\u5168\u517c\u5bb9\u7684Kubernetes\u53d1\u884c\u7248\uff0c\u6709\u4ee5\u4e0b\u66f4\u6539\uff1a<\/p>\n<ul>\n<li>\u79fb\u9664\u8fc7\u65f6\u7684\u529f\u80fd\u3001Alpha\u529f\u80fd\u3001\u975e\u9ed8\u8ba4\u529f\u80fd\uff0c\u8fd9\u4e9b\u529f\u80fd\u5728\u5927\u591a\u6570Kubernetes\u96c6\u7fa4\u4e2d\u5df2\u4e0d\u53ef\u7528\u3002<\/li>\n<li>\u5220\u9664\u5185\u7f6e\u63d2\u4ef6(\u6bd4\u5982\u4e91\u4f9b\u5e94\u5546\u63d2\u4ef6\u548c\u5b58\u50a8\u63d2\u4ef6)\uff0c\u53ef\u7528\u5916\u90e8\u63d2\u4ef6\u7a0b\u5e8f\u66ff\u6362\u3002<\/li>\n<li>\u6dfb\u52a0SQLite3\u4f5c\u4e3a\u9ed8\u8ba4\u7684\u6570\u636e\u5b58\u50a8\u3002etcd3\u4ecd\u7136\u53ef\u7528\uff0c\u4f46\u5e76\u975e\u9ed8\u8ba4\u9879\u3002<\/li>\n<li>\u5305\u542b\u5728\u4e00\u4e2a\u7b80\u5355\u7684\u542f\u52a8\u7a0b\u5e8f\u5f53\u4e2d\uff0c\u53ef\u4ee5\u5904\u7406\u590d\u6742\u7684TLS\u548c\u5176\u4ed6\u9009\u9879\u3002<\/li>\n<li>\u51e0\u4e4e\u6ca1\u6709\u64cd\u4f5c\u7cfb\u7edf\u4f9d\u8d56\u6027\uff08\u4ec5\u9700\u8981\u5065\u5168\u7684\u5185\u6838\u548ccgroup\u6302\u8f7d\uff09\u3002k3s\u8f6f\u4ef6\u5305\u6240\u9700\u7684\u4f9d\u8d56\uff1a\n<ul>\n<li>containerd<\/li>\n<li>Flannel<\/li>\n<li>CoreDNS<\/li>\n<li>CNI<\/li>\n<li>\u4e3b\u673a\u7cfb\u7edf\u670d\u52a1 (iptables, socat, etc)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h1>K3S\u67b6\u6784<\/h1>\n<p><code>server<\/code>\u8282\u70b9\u88ab\u5b9a\u4e49\u4e3a\u8fd0\u884c<code>k3s server<\/code>\u547d\u4ee4\u7684\u4e3b\u673a\uff08\u88f8\u673a\u6216\u865a\u62df\u673a\uff09\u3002<code>worker<\/code>\u8282\u70b9\u88ab\u5b9a\u4e49\u4e3a\u8fd0\u884c<code>k3s agent<\/code>\u547d\u4ee4\u7684\u4e3b\u673a\u3002<\/p>\n<h2 id=\\\"_1-\u5177\u6709\u5d4c\u5165\u5f0f\u6570\u636e\u5e93\u7684\u5355server\u67b6\u6784\\\">1. \u5177\u6709\u5d4c\u5165\u5f0f\u6570\u636e\u5e93\u7684\u5355server\u67b6\u6784<\/h2>\n<p>\u4e0b\u56fe\u5c55\u793a\u4e86\u4e00\u4e2a\u5355server\u96c6\u7fa4\u793a\u4f8b\uff0c\u8be5\u96c6\u7fa4\u5177\u6709\u5e26\u5d4c\u5165\u5f0fSQLite\u6570\u636e\u5e93\u7684\u5355\u8282\u70b9K3s server\u3002<br \/>\n\u5728\u6b64\u67b6\u6784\u4e2d\uff0c\u6bcf\u4e2a<code>worker<\/code>\u8282\u70b9\u90fd\u6ce8\u518c\u5230\u540c\u4e00\u4e2a<code>server<\/code>\u8282\u70b9\uff0cK3s\u7528\u6237\u53ef\u4ee5\u901a\u8fc7\u5728<code>server<\/code>\u8282\u70b9\u4e0a\u8c03\u7528K3s API\u6765\u64cd\u4f5cKubernetes\u8d44\u6e90\u3002<br \/>\n<img class=\\\"medium-zoom-image\\\" src=\\\"https:\/\/docs.rancher.cn\/assets\/img\/k3s-single-node-server-architecture.f9e04d30.svg\\\" alt=\\\"\u67b6\u6784\\\" \/><\/p>\n<h2 id=\\\"_2-\u5177\u6709\u5916\u90e8\u6570\u636e\u5e93\u7684\u9ad8\u53ef\u7528k3s-server\u67b6\u6784\\\">2. \u5177\u6709\u5916\u90e8\u6570\u636e\u5e93\u7684\u9ad8\u53ef\u7528K3s server\u67b6\u6784<\/h2>\n<p>\u5355\u4e2a<code>server<\/code>\u96c6\u7fa4\u5df2\u7ecf\u53ef\u4ee5\u6ee1\u8db3\u5404\u79cd\u4f7f\u7528\u9700\u6c42\uff0c\u4f46\u662f\u5bf9\u4e8e\u91cd\u8981\u7684\u73af\u5883\uff0c\u9700\u8981k3s\u96c6\u7fa4\u7684\u957f\u65f6\u95f4\u6b63\u5e38\u8fd0\u884c\uff0c\u60a8\u9700\u8981\u4ee5HA\u914d\u7f6e\u8fd0\u884cK3s\u3002<br \/>\nHA K3s\u96c6\u7fa4\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>\u4e24\u4e2a\u6216\u66f4\u591a<strong>server\u8282\u70b9<\/strong>\uff1b<\/li>\n<li>\u4e00\u4e2a<strong>\u5916\u90e8\u6570\u636e\u5b58\u50a8<\/strong><\/li>\n<\/ul>\n<p><img class=\\\"medium-zoom-image\\\" src=\\\"https:\/\/docs.rancher.cn\/assets\/img\/k3s-ha-architecture.b9803311.svg\\\" alt=\\\"\u67b6\u6784\\\" \/><\/p>\n<h3 id=\\\"_2-1-\u56fa\u5b9a\u7684worker\u8282\u70b9\u6ce8\u518c\u5730\u5740\\\">2.1. \u56fa\u5b9a\u7684worker\u8282\u70b9\u6ce8\u518c\u5730\u5740<\/h3>\n<p>\u5728\u9ad8\u53ef\u7528\u67b6\u6784\u4e2d\uff0c\u6bcf\u4e2a<code>worker<\/code>\u8282\u70b9\u5fc5\u987b\u4f7f\u7528\u56fa\u5b9a\u7684\u6ce8\u518c\u5730\u5740\u5411Kubernetes API\u8fdb\u884c\u6ce8\u518c\uff0c\u5982\u4e0b\u56fe\u6240\u793a\u3002\u6ce8\u518c\u540e\uff0c<code>worker<\/code>\u8282\u70b9\u4e0e\u4efb\u610f\u4e00\u4e2a<code>server<\/code>\u8282\u70b9\u5efa\u7acb\u8fde\u63a5\u3002<br \/>\n<img class=\\\"medium-zoom-image\\\" src=\\\"https:\/\/docs.rancher.cn\/assets\/img\/k3s-production-setup.95228453.svg\\\" alt=\\\"k3s HA\\\" \/><\/p>\n<h2 id=\\\"_2-2-worker\u8282\u70b9\u7684\u6ce8\u518c\u65b9\u5f0f\\\">2.2 worker\u8282\u70b9\u7684\u6ce8\u518c\u65b9\u5f0f<\/h2>\n<p><code>worker<\/code>\u8282\u70b9\u901a\u8fc7<code>k3s agent<\/code>\u542f\u52a8\u65f6\u53d1\u8d77\u7684Websocket\u8fde\u63a5\u8fdb\u884c\u6ce8\u518c.<br \/>\n<code>worker<\/code>\u8282\u70b9\u5c06\u4f7f\u7528\u8282\u70b9\u96c6\u7fa4\u5bc6\u94a5\u4ee5\u53ca\u5b58\u50a8\u5728<code>\/etc\/rancher\/node\/password<\/code>\u7684\u8282\u70b9\u968f\u673a\u5bc6\u7801\u5411<code>server<\/code>\u6ce8\u518c\u3002<code>server<\/code>\u5c06\u5728\u5355\u4e2a\u8282\u70b9\u7684<code>\/var\/lib\/rancher\/k3s\/server\/cred\/node-passwd<\/code>\u8def\u5f84\u5b58\u50a8\u5bc6\u7801\uff0c\u540e\u7eed\u4efb\u4f55\u64cd\u4f5c\u90fd\u5fc5\u987b\u4f7f\u7528\u76f8\u540c\u7684\u5bc6\u7801\u3002\u5982\u679c\u5220\u9664\u4e86<code>worker<\/code>\u8282\u70b9\u76ee\u5f55<code>\/etc\/rancher\/node<\/code>\uff0c\u5219\u5e94\u8be5\u4e3a\u8be5<code>worker<\/code>\u8282\u70b9\u91cd\u65b0\u521b\u5efa\u5bc6\u7801\u6587\u4ef6\uff0c\u6216\u8005\u4ece\u670d\u52a1\u5668\u4e2d\u5220\u9664\u8be5\u8282\u70b9\u3002<br \/>\n\u901a\u8fc7\u4f7f\u7528\u8be5<code>--with-node-id<\/code>\u6807\u5fd7\u542f\u52a8<code>K3s server\u6216agent<\/code>\uff0c\u53ef\u4ee5\u5c06\u552f\u4e00\u7684\u8282\u70b9ID\u6dfb\u52a0\u5230<code>hostname<\/code>\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4ec0\u4e48\u662fK3S k3s\u662f\u5b8c\u5168\u517c\u5bb9\u7684Kubernetes\u53d1\u884c\u7248\uff0c\u6709\u4ee5\u4e0b\u66f4\u6539\uff1a \u79fb\u9664\u8fc7\u65f6\u7684\u529f\u80fd\u3001Alpha\u529f\u80fd\u3001\u975e\u9ed8 &hellip;<\/p>\n<p class=\"read-more\"> <a class=\"\" href=\"http:\/\/www.weijing.co\/?p=1555\"> <span class=\"screen-reader-text\">K3S\u67b6\u6784\u8bbe\u8ba1<\/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":[130,123],"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":"\u4ec0\u4e48\u662fK3S k3s\u662f\u5b8c\u5168\u517c\u5bb9\u7684Kubernetes\u53d1\u884c\u7248\uff0c\u6709\u4ee5\u4e0b\u66f4\u6539\uff1a \u79fb\u9664\u8fc7\u65f6\u7684\u529f\u80fd\u3001Alpha\u529f\u80fd\u3001\u975e\u9ed8&hellip;","_links":{"self":[{"href":"http:\/\/www.weijing.co\/index.php?rest_route=\/wp\/v2\/posts\/1555"}],"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=1555"}],"version-history":[{"count":0,"href":"http:\/\/www.weijing.co\/index.php?rest_route=\/wp\/v2\/posts\/1555\/revisions"}],"wp:attachment":[{"href":"http:\/\/www.weijing.co\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1555"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.weijing.co\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1555"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.weijing.co\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1555"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}