{"id":1068,"date":"2021-09-12T19:30:35","date_gmt":"2021-09-12T11:30:35","guid":{"rendered":"https:\/\/www.chenqing.work\/?p=1068"},"modified":"2021-09-12T19:35:05","modified_gmt":"2021-09-12T11:35:05","slug":"k8s-rbac-%e4%bd%bf%e7%94%a8%e4%b8%80%e5%88%99","status":"publish","type":"post","link":"https:\/\/www.chenqing.work\/?p=1068","title":{"rendered":"K8S RBAC \u4f7f\u7528\u4e00\u5219"},"content":{"rendered":"\n<pre class=\"wp-block-verse\">\u7eff\u8681\u65b0\u9185\u9152\uff0c\u7ea2\u6ce5\u5c0f\u706b\u7089\u3002\n\u665a\u6765\u5929\u6b32\u96ea\uff0c\u80fd\u996e\u4e00\u676f\u65e0\uff1f\n                                              \u2014\u2014 \u300a\u95ee\u5218\u5341\u4e5d\u300b<\/pre>\n\n\n\n<p>\u8d8a\u6df1\u5165\u5730\u63a5\u89e6\u7a0b\u5e8f\u4e16\u754c\uff0c\u8d8a\u4f53\u4f1a\u5230\u5176\u5bf9\u73b0\u5b9e\u4e16\u754c\u8fd0\u884c\u89c4\u5219\u7684\u501f\u9274\u3001\u63ed\u793a\u4e0e\u6a21\u62df\uff0c\u5efa\u7b51\u5de5\u7a0b\u662f\u8f6f\u4ef6\u6784\u5efa\u76f4\u63a5\u501f\u9274\u7684\u9886\u57df\uff0c\u800c\u751f\u7269\u754c\u5219\u8574\u542b\u7740\u6f14\u5316\u5f97\u6700\u5b8c\u5584\u7684\u89c4\u5219\uff0c\u751f\u6001\u5708\u3001\u751f\u7269\u4e2a\u4f53\u3001\u7ec6\u80de\u4e4b\u95f4\u7684\u7ec4\u6210\u548c\u4ea4\u4e92\uff0c\u548c\u4e92\u8054\u7f51\u3001app\u3001\u8fdb\u7a0b\u3001\u7ebf\u7a0b\u3001\u51fd\u6570\u3001\u5c5e\u6027\u5982\u6b64\u76f8\u50cf\uff0c\u7ed3\u6784\u4e0e\u4fe1\u606f\uff0c\u5f62\u5f0f\/\u7ed3\u6784\u51b3\u5b9a\u529f\u80fd\uff0c\u6700\u5e38\u89c1\u7684 null \u95ee\u9898\u5728\u67d0\u79cd\u7a0b\u5ea6\u4e0a\u8868\u660e\u4eba\u5bf9\u7269\u8d28\u5e95\u5c42\u7684\u5b58\u5728\u672c\u8d28\u8fd8\u6ca1\u6709\u4e00\u4e2a\u786e\u5b9a\u7684\u903b\u8f91\u8ba4\u77e5\uff0c\u4e00\u9996\u8bd7\u548c\u4e00\u6bb5\u4ee3\u7801\uff0c\u90fd\u662f\u4e00\u79cd\u8868\u8fbe\u65b9\u5f0f\uff0c\u5f53\u6280\u5de7\u548c\u5185\u6db5\u8fbe\u5230\u4e00\u5b9a\u7684\u7cbe\u5999\u7a0b\u5ea6\uff0c\u90fd\u80fd\u4ee4\u4eba\u8d5e\u53f9 ~ \u4e16\u754c\u89e6\u76ee\u6240\u53ca\u6ee1\u662f\u300e\u9053\u300f\u7684\u75d5\u8ff9\u3002<\/p>\n\n\n\n<p>\u626f\u8fdc\u4e86\uff0c\u7b49\u9879\u76ee\u5fd9\u5b8c\u4e86\u6709\u65f6\u95f4\u518d\u5355\u72ec\u5199\u5199\u3002<\/p>\n\n\n\n<p>\u6280\u672f\u4eba\u5458\u5bf9\u4e8e\u6743\u9650\u63a7\u5236\u5e94\u8be5\u5e76\u4e0d\u964c\u751f\uff0c\u6bd5\u7adf\u5de5\u4f5c\u4e2d\u6216\u591a\u6216\u5c11\u90fd\u9700\u8981\u548c Linux \u6253\u4ea4\u9053\uff0c\u90fd\u77e5\u9053\u7528 root \u7528\u6237\u8fd0\u884c\u8fdb\u7a0b\u662f\u9ad8\u5371\u64cd\u4f5c\uff0c\u5b89\u5168\u754c\u4e0d\u65f6\u7206\u51fa\u6765\u7684 root \u63d0\u6743\u6f0f\u6d1e\u4e5f\u662f\u542c\u5f97\u8033\u6735\u90fd\u8d77\u8327\u5b50\u4e86\u3002Linux \u4e2d\u7684\u6743\u9650\u662f\u4f5c\u7528\u4e8e\u6587\u4ef6\uff08Linux \u7cfb\u7edf\u7684\u54f2\u5b66\u4e4b\u4e00\uff1a\u4e00\u5207\u7686\u6587\u4ef6\uff09\uff0c\u9650\u5236\u6240\u6709\u8005\u3001\u7ec4\u3001\u5176\u4ed6\u7ec4\u7684\u8bfb\u3001\u5199\u3001\u6267\u884c\u884c\u4e3a\u3002\u8fd9\u5c5e\u4e8e\u5e95\u5c42\u89c6\u89d2\uff0c\u81ea\u4e0b\u800c\u4e0a\uff0c\u6211\u4eec\u77e5\u9053\uff0c\u8d8a\u63a5\u8fd1\u5e95\u5c42\u8d8a\u7e41\u7410\uff0c\u7ec6\u8282\u603b\u662f\u591a\u4e8e\u6982\u5ff5\uff0c\u9700\u8981\u518d\u8fdb\u4e00\u6b65\u7684\u62bd\u8c61\u3002\u800c RBAC\uff08Role-Based Access Control\uff09\uff0c\u57fa\u4e8e\u89d2\u8272\u7684\u8bbf\u95ee\u63a7\u5236\uff0c\u5c31\u662f\u805a\u7126\u4e8e\u4eba\u7684\u66f4\u8fdb\u4e00\u6b65\u7684\u62bd\u8c61\u3002\u89d2\u8272\u5c31\u597d\u6bd4\u4eba\u540d\u7247\u4e0a\u7684\u5934\u8854\uff0c\u6807\u8bb0\u7684\u662f\u4eba\uff0c\u4ece\u6570\u91cf\u4e0a\u6765\u8bf4\u5929\u7136\u5c31\u66f4\u5c11\u3002<\/p>\n\n\n\n<p>K8S \u4e2d\u91c7\u7528 RBAC \u4f5c\u4e3a\u6743\u9650\u63a7\u5236\u6a21\u578b\uff0c\u4f7f\u7528\u89d2\u8272\u7684\u4e3b\u4f53\u53ef\u4ee5\u4e3a User\u3001Group\u3001ServiceAccount\uff0c\u89d2\u8272\u53c8\u5206\u4e24\u79cd\uff1aRole\u3001ClusterRole\uff0c\u671b\u6587\u751f\u4e49\uff0c\u540e\u4e00\u79cd\u80fd\u4f5c\u7528\u4e8e\u6574\u4e2a\u96c6\u7fa4\uff0c\u524d\u4e00\u79cd\u5219\u53ea\u80fd\u4f5c\u7528\u4e8e\u4e00\u4e2a\u6307\u5b9a\u7684 Namespace \u3002\u4e3b\u4f53\u548c\u89d2\u8272\u901a\u8fc7\u7ed1\u5b9a\u6765\u5efa\u7acb\u5173\u7cfb\uff0c\u7ed1\u5b9a\u4e5f\u5206\u4e24\u79cd\uff1aRoleBinding\u3001ClusterRoleBinding\u3002\u4f5c\u7528\u57df\u4e3a\u96c6\u7fa4\u7684\u81ea\u7136\u662f\u4e0d\u7528\u58f0\u660e Namespace \u7684\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"780\" height=\"131\" src=\"https:\/\/www.chenqing.work\/wp-content\/uploads\/2021\/09\/image-1.png\" alt=\"\" class=\"wp-image-1073\"\/><\/figure>\n\n\n\n<p>\u5728\u8fd9\u91cc\uff0cClusterRole \u4e5f\u53ef\u4ee5\u7528 RoleBinding \u6765\u7ed1\u5b9a\u51fa\u53bb\uff0c\u5217\u51e0\u79cd\u5e38\u7528\u573a\u666f\uff1a<\/p>\n\n\n\n<p>1\uff09\u5c06 A NS \u7684\u6743\u9650\u6388\u4e88 A NS \u7684\u4e3b\u4f53\uff1aRole(NS: A)\u3001RoleBinding(NS: A)\u3001\u4e3b\u4f53(NS: A)<\/p>\n\n\n\n<p>2.1\uff09\u5c06 A NS \u7684\u6743\u9650\u6388\u4e88 B NS \u7684\u4e3b\u4f53\uff1aRole(NS: A)\u3001RoleBinding(NS: A)\u3001\u4e3b\u4f53(NS: B) <\/p>\n\n\n\n<p>2.2\uff09\u5c06 A NS \u7684\u6743\u9650\u6388\u4e88 B NS \u7684\u4e3b\u4f53\uff1aClusterRole\u3001RoleBinding(NS: A)\u3001\u4e3b\u4f53(NS: B)<\/p>\n\n\n\n<p>3\uff09 \u5c06\u6240\u6709 NS \u7684\u6743\u9650\u6388\u4e88 B NS \u7684\u4e3b\u4f53 \uff1aClusterRole\u3001ClusterRoleBinding\u3001\u4e3b\u4f53(NS: B)<\/p>\n\n\n\n<p>\u4e5f\u5c31\u662f\u8bf4\uff0c\u88ab RoleBinding \u6240\u7ed1\u5b9a\u51fa\u53bb\u7684\u6743\u9650\uff0c\u53ea\u80fd\u662f RoleBinding \u6240\u5728\u547d\u540d\u7a7a\u95f4\u7684\u6743\u9650\uff0c\u5f53 ClusterRole \u88ab RoleBinding \u5f15\u7528\uff0c\u5219\u5b9e\u9645\u6548\u679c\u7b49\u540c Role\u3002\u7785\u7785<a href=\"https:\/\/github.com\/kubernetes\/kubernetes\/blob\/release-1.22\/pkg\/apis\/rbac\/types.go\">\u4ee3\u7801<\/a>\uff0c\u91cc\u9762\u4e5f\u662f\u8fd9\u6837\u89e3\u91ca\u7684\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1629\" height=\"475\" src=\"https:\/\/www.chenqing.work\/wp-content\/uploads\/2021\/09\/image-2.png\" alt=\"\" class=\"wp-image-1075\"\/><\/figure>\n\n\n\n<p><em>Reference<\/em><\/p>\n\n\n\n<p><a href=\"https:\/\/kubernetes.io\/zh\/docs\/reference\/access-authn-authz\/rbac\/\">https:\/\/kubernetes.io\/zh\/docs\/reference\/access-authn-authz\/rbac\/<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/octopus.com\/blog\/k8s-rbac-roles-and-bindings\">https:\/\/octopus.com\/blog\/k8s-rbac-roles-and-bindings<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/github.com\/kubernetes\/kubernetes\/blob\/release-1.22\/pkg\/apis\/rbac\/types.go\">https:\/\/github.com\/kubernetes\/kubernetes\/blob\/release-1.22\/pkg\/apis\/rbac\/types.go<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u7eff\u8681\u65b0\u9185\u9152\uff0c\u7ea2\u6ce5\u5c0f\u706b\u7089\u3002 \u665a\u6765\u5929\u6b32\u96ea\uff0c\u80fd\u996e\u4e00\u676f\u65e0\uff1f \u2014\u2014 \u300a\u95ee\u5218\u5341\u4e5d\u300b \u8d8a\u6df1\u5165\u5730\u63a5\u89e6\u7a0b\u5e8f\u4e16\u754c\uff0c\u8d8a\u4f53\u4f1a [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[7],"tags":[45,37,46],"class_list":["post-1068","post","type-post","status-publish","format-standard","hentry","category-code","tag-k8s","tag-kubernetes","tag-rbac"],"_links":{"self":[{"href":"https:\/\/www.chenqing.work\/index.php?rest_route=\/wp\/v2\/posts\/1068","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.chenqing.work\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.chenqing.work\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.chenqing.work\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.chenqing.work\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1068"}],"version-history":[{"count":9,"href":"https:\/\/www.chenqing.work\/index.php?rest_route=\/wp\/v2\/posts\/1068\/revisions"}],"predecessor-version":[{"id":1081,"href":"https:\/\/www.chenqing.work\/index.php?rest_route=\/wp\/v2\/posts\/1068\/revisions\/1081"}],"wp:attachment":[{"href":"https:\/\/www.chenqing.work\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1068"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.chenqing.work\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1068"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.chenqing.work\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1068"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}