{"id":77002,"date":"2024-03-07T14:40:43","date_gmt":"2024-03-07T06:40:43","guid":{"rendered":"https:\/\/docs.pingcode.com\/?p=77002"},"modified":"2024-03-07T14:40:43","modified_gmt":"2024-03-07T06:40:43","slug":"kubernetes%e7%9a%84%e5%ae%89%e5%85%a8%e4%b8%8a%e4%b8%8b%e6%96%87security-context%e6%98%af%e4%bb%80%e4%b9%88","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/77002.html","title":{"rendered":"Kubernetes\u7684\u5b89\u5168\u4e0a\u4e0b\u6587(Security Context)\u662f\u4ec0\u4e48"},"content":{"rendered":"<p><strong>Kubernetes\u7684\u5b89\u5168\u4e0a\u4e0b\u6587(Security Context)\u662f\u4e00\u79cd\u4e3aPods\u6216\u5176\u5185\u90e8\u5bb9\u5668\u914d\u7f6e\u6743\u9650\u4e0e\u8bbf\u95ee\u63a7\u5236\u8bbe\u7f6e\u7684\u673a\u5236<\/strong>\u3001<strong>\u5305\u62ec\u8fd0\u884c\u7528\u6237\u548c\u7ec4\u7684\u8eab\u4efd\u8bbe\u5b9a<\/strong>\u3001<strong>\u7981\u6b62\u7279\u6743\u5347\u7ea7<\/strong>\u3001<strong>\u5bb9\u5668\u5185\u6587\u4ef6\u7cfb\u7edf\u7684\u8bfb\u5199\u6743\u9650\u63a7\u5236\u548c\u7f51\u7edc\u8bbf\u95ee\u7684\u9650\u5236\u7b49<\/strong>\u3002\u5b83\u8ba9\u7ba1\u7406\u5458\u80fd\u591f\u63a7\u5236\u7279\u5b9aPods\u6216\u5bb9\u5668\u53ef\u4ee5\u6267\u884c\u7684\u64cd\u4f5c\uff0c\u4f8b\u5982\u7981\u6b62\u5bb9\u5668\u8bbf\u95ee\u4e3b\u673a\u6587\u4ef6\u7cfb\u7edf\u6216\u8fd0\u884croot\u547d\u4ee4\u7b49\u3002\u901a\u8fc7\u8fd9\u79cd\u5b89\u5168\u673a\u5236\uff0c\u53ef\u4ee5\u5728Kubernetes\u96c6\u7fa4\u5185\u90e8\u5efa\u7acb\u4e0d\u540c\u7ea7\u522b\u7684\u5b89\u5168\u7b56\u7565\uff0c\u4fdd\u62a4\u6574\u4e2a\u7cfb\u7edf\u7684\u5b89\u5168\u6027\u3002<\/p>\n<p>\u7279\u522b\u662f\uff0c<strong>\u7981\u6b62\u7279\u6743\u5347\u7ea7<\/strong>\u662f\u4e00\u4e2a\u5173\u952e\u7684\u5b89\u5168\u529f\u80fd\uff0c\u56e0\u4e3a\u5b83\u9632\u6b62\u4e86\u5bb9\u5668\u5185\u7684\u8fdb\u7a0b\u83b7\u53d6\u4e0d\u8be5\u6709\u7684root\u6743\u9650\uff0c\u8fd9\u5bf9\u4e8e\u7ef4\u62a4\u72ec\u7acb\u4e8e\u5bbf\u4e3b\u673a\u7684\u5bb9\u5668\u8fd0\u884c\u73af\u5883\u5b89\u5168\u81f3\u5173\u91cd\u8981\u3002\u5b83\u901a\u8fc7\u9650\u5236set-user-ID\u6216set-group-ID\u6587\u4ef6\u6743\u9650\u6765\u5de5\u4f5c\u3002\u8fd9\u610f\u5473\u7740\u5373\u4f7f\u5bb9\u5668\u5185\u7684\u5e94\u7528\u7a0b\u5e8f\u6709\u6f0f\u6d1e\uff0c\u4e5f\u5927\u5927\u964d\u4f4e\u4e86\u653b\u51fb\u8005\u63d0\u5347\u6743\u9650\u5bfc\u81f4\u66f4\u5e7f\u6cdb\u7cfb\u7edf\u5f71\u54cd\u7684\u98ce\u9669\u3002<\/p>\n<p>\u63a5\u4e0b\u6765\u7684\u6587\u7ae0\u5c06\u8be6\u7ec6\u89e3\u91caKubernetes\u5b89\u5168\u4e0a\u4e0b\u6587\u7684\u529f\u80fd\u53ca\u5176\u5982\u4f55\u5e2e\u52a9\u4fdd\u62a4\u4f60\u7684\u5bb9\u5668\u5316\u73af\u5883\u3002<\/p>\n<h2><strong>\u4e00\u3001\u5b89\u5168\u4e0a\u4e0b\u6587\u7684\u5b9a\u4e49\u4e0e\u5de5\u4f5c\u539f\u7406<\/strong><\/h2>\n<p><strong>\u5b89\u5168\u4e0a\u4e0b\u6587\u5b9a\u4e49\u4e86Pod\u548c\u5bb9\u5668\u7684\u6743\u9650\u4e0e\u5b89\u5168\u8bbe\u7f6e\u3002<\/strong>\u5176\u4e2d\uff0cPod\u5b89\u5168\u4e0a\u4e0b\u6587\u8bbe\u7f6e\u5bf9\u6240\u6709\u5bb9\u5668\u751f\u6548\uff0c\u800c\u5bb9\u5668\u5b89\u5168\u4e0a\u4e0b\u6587\u4ec5\u9002\u7528\u4e8e\u5355\u4e2a\u5bb9\u5668\u3002\u8fd9\u4e9b\u5b89\u5168\u53c2\u6570\u53ef\u4ee5\u76f4\u63a5\u5728Pod\u6216\u5bb9\u5668\u7684\u914d\u7f6e\u6587\u4ef6\u4e2d\u8fdb\u884c\u58f0\u660e\u3002<\/p>\n<p>\u5728Kubernetes\u4e2d\u914d\u7f6e\u5b89\u5168\u4e0a\u4e0b\u6587\u65f6\uff0c\u4f1a\u6d89\u53ca\u4ee5\u4e0b\u51e0\u4e2a\u5173\u952e\u53c2\u6570\uff1a<\/p>\n<p>&#8211; runAsUser\uff1a\u89c4\u5b9a\u4e86\u5bb9\u5668\u5185\u8fdb\u7a0b\u8fd0\u884c\u7684\u7528\u6237ID\u3002<\/p>\n<p>&#8211; runAsGroup\uff1a\u5b9a\u4e49\u4e86\u5bb9\u5668\u5185\u8fdb\u7a0b\u8fd0\u884c\u7684\u7ec4ID\u3002<\/p>\n<p>&#8211; privileged\uff1a\u7528\u4e8e\u6807\u8bc6\u5bb9\u5668\u662f\u5426\u8fd0\u884c\u5728\u7279\u6743\u6a21\u5f0f\u4e0b\u3002<\/p>\n<p>&#8211; readOnlyRootFilesystem\uff1a\u786e\u4fdd\u5bb9\u5668\u5185\u7684\u6587\u4ef6\u7cfb\u7edf\u662f\u53ea\u8bfb\u7684\uff0c\u9632\u6b62\u6076\u610f\u8f6f\u4ef6\u5199\u5165\u3002<\/p>\n<p>&#8211; allowPrivilegeEscalation\uff1a\u63a7\u5236\u662f\u5426\u5141\u8bb8\u4ece\u4e00\u4e2a\u4f4e\u6743\u9650\u7528\u6237\u63d0\u5347\u5230\u8f83\u9ad8\u6743\u9650\u3002<\/p>\n<p><strong>\u901a\u8fc7\u8fd9\u4e9b\u53c2\u6570\uff0c\u7ba1\u7406\u5458\u53ef\u4ee5\u7ec6\u7c92\u5ea6\u63a7\u5236Kubernetes\u5bb9\u5668\u7684\u884c\u4e3a<\/strong>\uff0c\u4ee5\u6ee1\u8db3\u4e0d\u540c\u5b89\u5168\u6c34\u5e73\u7684\u9700\u8981\u3002<\/p>\n<h2><strong>\u4e8c\u3001\u521b\u5efaPod\u65f6\u5b89\u5168\u4e0a\u4e0b\u6587\u7684\u5e94\u7528<\/strong><\/h2>\n<p>\u5f53\u521b\u5efa\u4e00\u4e2aPod\u65f6\uff0c\u53ef\u4ee5\u5728Pod\u7684\u5b9a\u4e49\u4e2d\u6307\u5b9a\u5b89\u5168\u4e0a\u4e0b\u6587\u3002\u8fd9\u9700\u8981\u901a\u8fc7\u7f16\u8f91YAML\u6587\u4ef6\uff0c\u5728\u5176\u4e2d\u5305\u542b`securityContext`\u5b57\u6bb5\u3002<\/p>\n<p>\u4ee5\u4e0b\u662f\u4f7f\u7528\u5b89\u5168\u4e0a\u4e0b\u6587\u7684\u4e00\u4e2a\u4f8b\u5b50\uff1a<\/p>\n<p>&#8220;`yaml<\/p>\n<p>apiVersion: v1<\/p>\n<p>kind: Pod<\/p>\n<p>metadata:<\/p>\n<p>  name: example-pod<\/p>\n<p>spec:<\/p>\n<p>  securityContext:<\/p>\n<p>    runAsUser: 1000<\/p>\n<p>    fsGroup: 2000<\/p>\n<p>  cont<a href=\"https:\/\/docs.pingcode.com\/blog\/59162.html\" target=\"_blank\">AI<\/a>ners:<\/p>\n<p>  &#8211; name: example-container<\/p>\n<p>    image: example-image<\/p>\n<p>&#8220;`<\/p>\n<p>\u5728\u6b64\u4f8b\u4e2d\uff0c\u6b64Pod\u7684\u6240\u6709\u5bb9\u5668\u5c06\u4f5c\u4e3a\u7528\u6237ID 1000\u548c\u7ec4ID 2000\u8fd0\u884c\u3002<\/p>\n<p><strong>\u914d\u7f6e\u5b89\u5168\u4e0a\u4e0b\u6587\u53ef\u4ee5\u5728\u521b\u5efaPod\u65f6\u4e3a\u5176\u8bbe\u7f6e\u6b63\u786e\u7684\u6743\u9650<\/strong>\uff0c\u8fd9\u6709\u52a9\u4e8e\u9884\u9632\u672a\u6388\u6743\u8bbf\u95ee\uff0c\u5e76\u62b5\u5fa1\u53ef\u80fd\u7684\u5b89\u5168\u5a01\u80c1\u3002<\/p>\n<h2><strong>\u4e09\u3001\u5bb9\u5668\u5b89\u5168\u4e0a\u4e0b\u6587\u7684\u914d\u7f6e<\/strong><\/h2>\n<p>\u4e0ePod\u5b89\u5168\u4e0a\u4e0b\u6587\u4e0d\u540c\uff0c\u5bb9\u5668\u5b89\u5168\u4e0a\u4e0b\u6587\u662f\u9488\u5bf9\u5355\u4e2a\u5bb9\u5668\u8bbe\u7f6e\u7684\u3002\u5f53\u9700\u8981\u5bf9Pod\u4e2d\u7684\u7279\u5b9a\u5bb9\u5668\u65bd\u52a0\u7279\u5b9a\u7684\u5b89\u5168\u7b56\u7565\u65f6\uff0c\u8fd9\u5c06\u975e\u5e38\u6709\u7528\u3002<\/p>\n<p>\u4e00\u4e2a\u5e38\u89c1\u7684\u573a\u666f\u662f\uff0c\u5728\u540c\u4e00\u4e2aPod\u91cc\u8fd0\u884c\u4e00\u4e2a\u8f85\u52a9\u5bb9\u5668\uff0c\u8be5\u8f85\u52a9\u5bb9\u5668\u9700\u8981\u989d\u5916\u7684\u6743\u9650\u6765\u5b8c\u6210\u4efb\u52a1\uff0c\u6bd4\u5982\u65e5\u5fd7\u6536\u96c6\u6216\u76d1\u63a7\u3002\u6b64\u65f6\uff0c\u53ef\u4ee5\u5355\u72ec\u4e3a\u8be5\u5bb9\u5668\u914d\u7f6e\u5b89\u5168\u4e0a\u4e0b\u6587\u3002<\/p>\n<p>\u4f8b\u5982\uff0c\u4e0b\u9762\u7684YAML\u914d\u7f6e\u4e2d\uff0c`sidecar-container`\u88ab\u8d4b\u4e88\u4e86\u66f4\u591a\u7684\u6743\u9650\uff1a<\/p>\n<p>&#8220;`yaml<\/p>\n<p>apiVersion: v1<\/p>\n<p>kind: Pod<\/p>\n<p>metadata:<\/p>\n<p>  name: example-pod<\/p>\n<p>spec:<\/p>\n<p>  containers:<\/p>\n<p>  &#8211; name: main-container<\/p>\n<p>    image: main-image<\/p>\n<p>  &#8211; name: sidecar-container<\/p>\n<p>    image: sidecar-image<\/p>\n<p>    securityContext:<\/p>\n<p>      privileged: true<\/p>\n<p>&#8220;`<\/p>\n<p><strong>\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c`sidecar-container`\u5bb9\u5668\u5c06\u8fd0\u884c\u5728\u7279\u6743\u6a21\u5f0f\u4e0b\uff0c\u800c\u4e3b\u5bb9\u5668\u5219\u4e0d\u4f1a\u3002<\/strong><\/p>\n<h2><strong>\u56db\u3001\u7ba1\u7406\u548c\u7ef4\u62a4\u5b89\u5168\u4e0a\u4e0b\u6587<\/strong><\/h2>\n<p>\u5b89\u5168\u4e0a\u4e0b\u6587\u662f\u4e00\u4e2a\u5f3a\u5927\u7684\u5de5\u5177\uff0c\u4f46\u5b83\u4e5f\u9700\u8981\u6b63\u786e\u7684\u7ba1\u7406\u548c\u7ef4\u62a4\u624d\u80fd\u786e\u4fdd\u5b83\u7684\u6709\u6548\u6027\u3002<\/p>\n<p>\u7ba1\u7406\u5458\u9700\u8981\u5b9a\u671f\u5ba1\u67e5\u73b0\u884c\u7684Pod\u548c\u5bb9\u5668\u7684\u5b89\u5168\u4e0a\u4e0b\u6587\u8bbe\u7f6e\uff0c\u4ee5\u786e\u4fdd\u5b83\u4eec\u7b26\u5408\u6700\u65b0\u7684\u5b89\u5168\u6700\u4f73\u5b9e\u8df5\u3002\u968f\u7740\u65f6\u95f4\u7684\u63a8\u79fb\uff0c\u53ef\u80fd\u4f1a\u6709\u65b0\u7684\u5b89\u5168\u6f0f\u6d1e\u88ab\u53d1\u73b0\uff0c\u6216\u8005\u7ec4\u7ec7\u5185\u7684\u5b89\u5168\u7b56\u7565\u53ef\u80fd\u4f1a\u53d1\u751f\u53d8\u5316\u3002\u56e0\u6b64\uff0c\u6301\u7eed\u5730\u66f4\u65b0\u548c\u4fee\u6b63\u5b89\u5168\u8bbe\u7f6e\u662f\u81f3\u5173\u91cd\u8981\u7684\u3002<\/p>\n<p><strong>\u6301\u7eed\u5ba1\u8ba1\u548c\u66f4\u65b0\u5b89\u5168\u7b56\u7565\u5c06\u6709\u52a9\u4e8e\u7ef4\u62a4Kubernetes\u73af\u5883\u7684\u6574\u4f53\u5b89\u5168\u6027\u3002<\/strong><\/p>\n<p>\u603b\u7ed3\u6765\u8bf4\uff0cKubernetes\u7684\u5b89\u5168\u4e0a\u4e0b\u6587\u662f\u63d0\u4f9b\u7ed9\u7ba1\u7406\u5458\u7528\u6765\u5b9a\u4e49Pod\u548c\u5bb9\u5668\u5b89\u5168\u6027\u7684\u91cd\u8981\u5de5\u5177\u3002\u5b83\u5141\u8bb8\u8bbe\u5b9a\u591a\u79cd\u6743\u9650\u548c\u8bbf\u95ee\u63a7\u5236\u89c4\u5219\uff0c\u4ee5\u4fdd\u62a4\u5e94\u7528\u7a0b\u5e8f\u548c\u6570\u636e\u4e0d\u53d7\u6076\u610f\u653b\u51fb\u3002\u901a\u8fc7\u5bf9\u8fd9\u4e9b\u5b89\u5168\u8bbe\u7f6e\u8fdb\u884c\u7cbe\u7ec6\u5316\u7ba1\u7406\uff0c\u53ef\u4ee5\u786e\u4fdd\u96c6\u7fa4\u6301\u7eed\u8fd0\u884c\u5728\u5b89\u5168\u7684\u72b6\u6001\u4e0b\u3002<\/p>\n<h2><strong>\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n<p><strong>\u4ec0\u4e48\u662fKubernetes\u4e2d\u7684\u5b89\u5168\u4e0a\u4e0b\u6587\uff1f<\/strong><\/p>\n<p>\u5b89\u5168\u4e0a\u4e0b\u6587\u662fKubernetes\u4e2d\u7684\u4e00\u79cd\u673a\u5236\uff0c\u7528\u4e8e\u63a7\u5236\u5bb9\u5668\u4e2d\u8fdb\u7a0b\u7684\u6743\u9650\u548c\u884c\u4e3a\u3002\u901a\u8fc7\u5b89\u5168\u4e0a\u4e0b\u6587\uff0c\u7528\u6237\u53ef\u4ee5\u5b9a\u4e49\u5bb9\u5668\u8fd0\u884c\u65f6\u7684\u6743\u9650\uff0c\u5305\u62ec\u8bbf\u95ee\u4e3b\u673a\u8d44\u6e90\u3001\u7f51\u7edc\u6743\u9650\u3001\u7528\u6237\u8eab\u4efd\u3001\u8fdb\u7a0b\u7279\u6743\u7b49\u3002\u8fd9\u6709\u52a9\u4e8e\u589e\u5f3a\u5bb9\u5668\u7684\u5b89\u5168\u6027\uff0c\u9632\u6b62\u6076\u610f\u4ee3\u7801\u7684\u653b\u51fb\u548c\u6a2a\u5411\u6269\u6563\u3002<\/p>\n<p><strong>\u5982\u4f55\u914d\u7f6eKubernetes\u4e2d\u7684\u5b89\u5168\u4e0a\u4e0b\u6587\uff1f<\/strong><\/p>\n<p>\u8981\u914d\u7f6e\u5b89\u5168\u4e0a\u4e0b\u6587\uff0c\u53ef\u4ee5\u5728Pod\u5b9a\u4e49\u7684\u5bb9\u5668\u90e8\u5206\u4e2d\u6dfb\u52a0\u76f8\u5173\u5b57\u6bb5\uff0c\u5982securityContext\u3002\u5728securityContext\u5b57\u6bb5\u4e2d\uff0c\u53ef\u4ee5\u6307\u5b9a\u5bb9\u5668\u7684\u7528\u6237ID\u3001\u7ec4ID\u3001\u7279\u6743\u7b49\u7ea7\u3001\u5bb9\u5668\u662f\u5426\u5141\u8bb8\u4f7f\u7528\u7279\u6743\u6a21\u5f0f\u3001\u5bb9\u5668\u662f\u5426\u5141\u8bb8\u8bbf\u95ee\u4e3b\u673a\u7f51\u7edc\u7b49\u3002\u901a\u8fc7\u9002\u5f53\u914d\u7f6e\u8fd9\u4e9b\u53c2\u6570\uff0c\u53ef\u4ee5\u9650\u5236\u5bb9\u5668\u7684\u6743\u9650\uff0c\u63d0\u9ad8\u5b89\u5168\u6027\u3002<\/p>\n<p><strong>\u5b89\u5168\u4e0a\u4e0b\u6587\u5982\u4f55\u63d0\u5347Kubernetes\u96c6\u7fa4\u7684\u5b89\u5168\u6027\uff1f<\/strong><\/p>\n<p>\u901a\u8fc7\u4f7f\u7528\u5b89\u5168\u4e0a\u4e0b\u6587\uff0c\u7ba1\u7406\u5458\u53ef\u4ee5\u9650\u5236\u5bb9\u5668\u7684\u6743\u9650\uff0c\u9632\u6b62\u6076\u610f\u4ee3\u7801\u5229\u7528\u5bb9\u5668\u8fdb\u884c\u653b\u51fb\u6216\u8bbf\u95ee\u654f\u611f\u8d44\u6e90\u3002\u5b89\u5168\u4e0a\u4e0b\u6587\u8fd8\u53ef\u4ee5\u907f\u514d\u5bb9\u5668\u8bef\u64cd\u4f5c\u5bfc\u81f4\u7684\u98ce\u9669\uff0c\u9650\u5236\u5bb9\u5668\u5bf9\u4e3b\u673a\u8d44\u6e90\u7684\u8bbf\u95ee\uff0c\u63d0\u9ad8\u6574\u4e2a\u96c6\u7fa4\u7684\u5b89\u5168\u6027\u3002\u540c\u65f6\uff0c\u5b89\u5168\u4e0a\u4e0b\u6587\u8fd8\u53ef\u4ee5\u786e\u4fdd\u5bb9\u5668\u5728\u53d7\u5230\u653b\u51fb\u65f6\u6709\u4e00\u5b9a\u7684\u9694\u79bb\u6027\uff0c\u9650\u5236\u653b\u51fb\u7684\u8303\u56f4\uff0c\u4fdd\u62a4\u5176\u4ed6\u5bb9\u5668\u548c\u4e3b\u673a\u7684\u5b89\u5168\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"Kubernetes\u7684\u5b89\u5168\u4e0a\u4e0b\u6587(Security Context)\u662f\u4e00\u79cd\u4e3aPods\u6216\u5176\u5185\u90e8\u5bb9\u5668\u914d\u7f6e\u6743\u9650\u4e0e\u8bbf\u95ee [&hellip;]","protected":false},"author":1,"featured_media":77003,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[37],"tags":[],"acf":[],"_links":{"self":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/77002"}],"collection":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/comments?post=77002"}],"version-history":[{"count":0,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/77002\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/77003"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=77002"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=77002"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=77002"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}