{"id":36107,"date":"2023-07-13T06:44:05","date_gmt":"2023-01-09T06:31:15","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e6%9c%89%e6%95%88%e4%b8%94%e9%ab%98%e6%95%88%e7%ae%a1%e7%90%86kubernetes-secrets%e7%9a%84%e6%96%b9%e6%b3%95\/"},"modified":"2024-04-30T13:20:17","modified_gmt":"2024-04-30T05:20:17","slug":"%e6%9c%89%e6%95%88%e4%b8%94%e9%ab%98%e6%95%88%e7%ae%a1%e7%90%86kubernetes-secrets%e7%9a%84%e6%96%b9%e6%b3%95","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e6%9c%89%e6%95%88%e4%b8%94%e9%ab%98%e6%95%88%e7%ae%a1%e7%90%86kubernetes-secrets%e7%9a%84%e6%96%b9%e6%b3%95\/","title":{"rendered":"\u6709\u6548\u4e14\u9ad8\u6548\u7ba1\u7406\u201cKubernetes Secrets\u201d\u7684\u65b9\u6cd5"},"content":{"rendered":"<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d276537434c4406c3c328\/0-0.png\" alt=\"image.png\" \/><\/div>\n<h1>\u9996\u5148<\/h1>\n<p>\u73b0\u5728\uff0cKubernetes\u5df2\u7ecf\u6210\u4e3a\u5bb9\u5668\u7f16\u6392\u7684\u6807\u51c6\u3002\u7531\u4e8e\u8bb8\u591a\u4f01\u4e1a\u9010\u6e10\u91c7\u7528\u5bb9\u5668\u4f18\u5148\u7684\u5f00\u53d1\u7ed3\u6784\uff0c\u5927\u90e8\u5206\u73b0\u6709\u7684\u5de5\u4f5c\u8d1f\u8f7d\u90fd\u5728\u516c\u5171\u4e91\u6216\u79c1\u6709\u6570\u636e\u4e2d\u5fc3\u7684\u865a\u62df\u673a\u4e0a\u8fd0\u884c\u3002\u56e0\u6b64\uff0c\u8bb8\u591a\u4f01\u4e1a\u9762\u4e34\u4ece\u4ee5\u524d\u7684\u65b9\u5f0f\u8fc1\u79fb\u5230Kubernetes\u5e76\u540c\u65f6\u9762\u5bf9\u5176\u540e\u7eed\u56f0\u96be\u7684\u6311\u6218\u3002<\/p>\n<p>Kubernetes\u7684\u8f6c\u6362\u4f1a\u5bf9\u5305\u62ec\u76d1\u63a7\u3001\u65e5\u5fd7\u8bb0\u5f55\u3001CI\/CD\u548c\u6700\u91cd\u8981\u7684\u5b89\u5168\u6027\u5728\u5185\u7684\u6574\u4e2aDevOps\u6d41\u7a0b\u4ea7\u751f\u5f71\u54cd\uff0c\u5b89\u5168\u6027\u5e94\u5728\u96c6\u7fa4\u7ea7\u522b\u548c\u5e94\u7528\u7a0b\u5e8f\u7ea7\u522b\u90fd\u5f97\u5230\u5904\u7406\u3002<\/p>\n<p>\u5728\u8fd9\u7bc7\u6587\u7ae0\u4e2d\uff0c\u6211\u60f3\u8bb2\u89e3\u4e00\u4e0b\u5982\u4f55\u5728Kubernetes\u4e2d\u6709\u6548\u5730\u7ba1\u7406\u5e94\u7528\u7a0b\u5e8f\u7684\u673a\u5bc6\u4fe1\u606f\u3002<\/p>\n<p>\u5728Kubernetes\u4e2d\uff0c\u673a\u5bc6\u4fe1\u606f\u5982API\u96c6\u6210\u4ee4\u724c\u3001OAuth\u4ee4\u724c\u3001\u6570\u636e\u5e93\u5bc6\u7801\u7b49\u7531Secret\u5bf9\u8c61\u7ba1\u7406\u3002\u8fd9\u4e9bSecret\u53ef\u4ee5\u4f5c\u4e3a\u6302\u8f7d\u5377\u7684\u5f62\u5f0f\u8ba9Pod\u8bbf\u95ee\u3002<\/p>\n<p>\u5982\u679c\u5728\u6bcf\u4e2a\u73af\u5883\u4e2d\u8fd0\u884c\u4e0d\u540c\u7684Kubernetes\u96c6\u7fa4\uff08\u5f3a\u70c8\u5efa\u8bae\u8fd9\u6837\u505a\uff09\uff0c\u5efa\u8bae\u5c06\u73af\u5883\u7279\u5b9a\u7684\u6240\u6709\u673a\u5bc6\u4fe1\u606f\u4fdd\u5b58\u5728\u4e00\u4e2a\u5730\u65b9\u3002\u7136\u540e\uff0c\u786e\u4fdd\u6709\u4e00\u4e2a\u80fd\u591f\u667a\u80fd\u8bc6\u522b\u90e8\u7f72Pod\u7684\u73af\u5883\uff0c\u5e76\u76f8\u5e94\u83b7\u53d6\u673a\u5bc6\u4fe1\u606f\u7684\u673a\u5bc6\u7ba1\u7406\u5de5\u5177\u3002\u5173\u4e8e\u8fd9\u4e00\u70b9\uff0c\u5728\u672c\u5e16\u7684\u540e\u534a\u90e8\u5206\u5c06\u6709\u8be6\u7ec6\u8bf4\u660e\u3002<\/p>\n<h1>\u5f00\u59cb\u4f7f\u7528Kubernetes Secrets<\/h1>\n<h3>\u4f7f\u7528Kubectl\u521b\u5efa\u79d8\u5bc6\u5bf9\u8c61\uff0c\u5e76\u5c06\u5176\u4f5c\u4e3a\u5377\u6302\u8f7d\u3002<\/h3>\n<p>\u8ba9\u6211\u4eec\u521b\u5efa\u4e00\u4e2a\u5e94\u7528\u7a0b\u5e8f\u4f7f\u7528\u7684\u4ee4\u724c\u5bc6\u7801\uff0c\u4ee5\u4fbf\u5728\u7b2c\u4e09\u65b9\u670d\u52a1\u4e2d\u8fdb\u884c\u8eab\u4efd\u9a8c\u8bc1\u3002<\/p>\n<p>\u53ef\u4ee5\u4f7f\u7528\u6587\u5b57\u503c\u6216\u6587\u4ef6\u6765\u521b\u5efaSecret\u3002 \u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u5c06\u79d8\u5bc6\u4fe1\u606f\u653e\u5728\u540d\u4e3aaccess.txt\u7684\u6587\u4ef6\u4e2d\u3002<\/p>\n<pre class=\"post-pre\"><code>$cat access.txt\r\nAPP_AUTH_TOKEN=WEj4VmNF755uc9vZdz98zvPXB6DkHp\r\n\r\n$ kubectl create secret generic auth-token --from-file=.\/access.txt\r\nsecret \"auth-token\" created\r\n\r\n$kubectl get secrets\r\nNAME                  TYPE                                  DATA      AGE\r\nauth-token            Opaque                                1         14s\r\ndefault-token-k7vmv   kubernetes.io\/service-account-token   3         17m\r\n\r\n$ kubectl describe secret auth-token\r\nName:         auth-token\r\nNamespace:    default\r\nLabels:       &lt;none&gt;\r\nAnnotations:  &lt;none&gt;\r\n\r\nType:  Opaque\r\n\r\nData\r\n====\r\naccess.txt:  46 bytes\r\n<\/code><\/pre>\n<p>\u8ba9\u6211\u4eec\u5c06\u8fd9\u4e2a\u79d8\u5bc6\u4f5c\u4e3a\u4e00\u4e2a\u5df2\u6302\u8f7d\u7684\u5377\u5728Pod\u4e2d\u4f7f\u7528\u3002<\/p>\n<p>\u9996\u5148\uff0c\u521b\u5efaDemo Pod\u5e76\u5e94\u7528\u6e05\u5355\u3002<\/p>\n<pre class=\"post-pre\"><code>$ cat pod.yaml\r\n---\r\napiVersion: v1\r\nkind: Pod\r\nmetadata:\r\n  name: demo-pod\r\nspec:\r\n  containers:\r\n  - name: demo-pod\r\n    image: ubuntu\r\n    command: [\"\/bin\/bash\", \"-ec\", \"while :; do echo '.'; sleep 5 ; done\"]\r\n    volumeMounts:\r\n    - name: myvolume\r\n      mountPath: \"\/tmp\"\r\n      readOnly: true\r\n  volumes:\r\n  - name: myvolume\r\n    secret:\r\n      secretName: auth-token\r\n\r\n$ kubectl apply -f pod.yaml\r\npod \"demo-pod\" created\r\n\r\n$ kubectl get pods\r\nNAME       READY     STATUS    RESTARTS   AGE\r\ndemo-pod   1\/1       Running   0          1m\r\n<\/code><\/pre>\n<p>\u5f53\u5728\u6b64Pod\u5185\u6267\u884c\u65f6\uff0c\u5e94\u8be5\u80fd\u591f\u627e\u5230\u5df2\u6302\u8f7d\u5230\/tmp\u76ee\u5f55\u4e0b\u7684\u5bc6\u94a5\u3002<\/p>\n<pre class=\"post-pre\"><code>$ kubectl exec -it demo-pod \/bin\/bash\r\nroot@demo-pod:\/# ls \/tmp\r\naccess.txt\r\nroot@demo-pod:\/# cat \/tmp\/access.txt\r\nAPP_AUTH_TOKEN=WEj4VmNF755uc9vZdz98zvPXB6DkHp\r\nroot@demo-pod:\/# \r\n<\/code><\/pre>\n<p>\u4f7f\u7528\u8fd9\u79cd\u65b9\u6cd5\uff0c\u60a8\u53ef\u4ee5\u5b89\u5168\u5730\u6302\u8f7d\u5305\u542b\u673a\u5bc6\u6570\u636e\u7684\u914d\u7f6e\u6587\u4ef6\uff0c\u5e76\u4e14\u4e4b\u540e\u53ef\u4ee5\u4ece\u5df2\u6302\u8f7d\u7684\u76ee\u5f55\u4e2d\u7684\u5e94\u7528\u7a0b\u5e8f\u4e2d\u8bfb\u53d6\u5b83\u4eec\u3002\u7136\u800c\uff0c\u6709\u65f6\u5019\u60a8\u53ef\u80fd\u4e5f\u5e0c\u671b\u5c06\u673a\u5bc6\u6570\u636e\u4f5c\u4e3a\u5e94\u7528\u7a0b\u5e8f\u7684\u73af\u5883\u53d8\u91cf\u6765\u4f7f\u7528\u3002\u8ba9\u6211\u4eec\u5728\u4e0b\u4e00\u4e2a\u90e8\u5206\u5c1d\u8bd5\u4e00\u4e0b\u8fd9\u6837\u505a\u3002<\/p>\n<h3>\u5c06&#8221;2.2Secrets&#8221;\u4f5c\u4e3aPod\u73af\u5883\u53d8\u91cf\u53ef\u7528\u3002<\/h3>\n<p>\u4e3a\u4e86\u80fd\u591f\u5c06\u5bc6\u94a5\u4f5c\u4e3a\u73af\u5883\u53d8\u91cf\u4f7f\u7528\uff0c\u6211\u4eec\u9700\u8981\u521b\u5efa\u548c\u5e94\u7528\u4e00\u4e2a\u5bc6\u94a5\u5bf9\u8c61\u6e05\u5355\u3002\u9996\u5148\uff0c\u5c06\u6570\u636e\u8fdb\u884c\u7f16\u7801\uff0c\u7136\u540e\u5c06\u7f16\u7801\u540e\u7684\u6587\u672c\u4f5c\u4e3a\u660e\u6587\u5199\u5165\u5bc6\u94a5\u6587\u4ef6\u4e2d\u3002<\/p>\n<pre class=\"post-pre\"><code>$ echo WEj4VmNF755uc9vZdz98zvPXB6DkHp | base64\r\nV0VqNFZtTkY3NTV1Yzl2WmR6OTh6dlBYQjZEa0hwCg==\r\n\r\n$ cat auth_secret.yaml\r\napiVersion: v1\r\nkind: Secret\r\nmetadata:\r\n  name: mysecret\r\ntype: Opaque\r\ndata:\r\n  auth_token: V0VqNFZtTkY3NTV1Yzl2WmR6OTh6dlBYQjZEa0hwCg==\r\n\r\n$ kubectl apply -f auth_secret.yaml\r\nsecret \"mysecret\" created\r\n\r\n$ kubectl describe secret mysecret\r\nName:         mysecret\r\nNamespace:    default\r\nLabels:       &lt;none&gt;\r\nAnnotations: \r\nType:         Opaque\r\n\r\nData\r\n====\r\nauth_token:  31 bytes\r\n<\/code><\/pre>\n<p>\u82e5\u8981\u5c06Secret\u4f5c\u4e3a\u73af\u5883\u53d8\u91cf\u63d2\u5165\uff0c\u9700\u8981\u4f7f\u7528\u5b58\u50a8Secret\u7684\u5bc6\u94a5\u6765\u8bbf\u95eeSecret\uff0c\u5e76\u5c06\u5176\u6620\u5c04\u5230Pod\u7684\u73af\u5883\u53d8\u91cf\u4e2d\u3002\u4ee5\u4e0b\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u5c06\u5728\u53e6\u4e00\u4e2a\u793a\u8303Pod demo-pod-2 \u4e2d\u6267\u884c\u6b64\u64cd\u4f5c\u3002<\/p>\n<pre class=\"post-pre\"><code>$ cat pod-2.yaml\r\napiVersion: v1\r\nkind: Pod\r\nmetadata:\r\n  name: demo-pod-2\r\nspec:\r\n  containers:\r\n  - name: demo-pod-2\r\n    image: ubuntu\r\n    command: [\"\/bin\/bash\", \"-ec\", \"while :; do echo '.'; sleep 5 ; done\"]\r\n    env:\r\n      - name: APP_AUTH_TOKEN\r\n        valueFrom:\r\n          secretKeyRef:\r\n            name: mysecret\r\n            key: auth_token\r\n\r\n$ kubectl apply -f pod-2.yaml\r\npod \"demo-pod-2\" created\r\n<\/code><\/pre>\n<p>\u5728\u8fd9\u91cc\uff0c\u5982\u679c\u5728demo-pod-2\u4e0a\u6267\u884c\uff0c\u60a8\u53ef\u4ee5\u786e\u8ba4APP_AUTH_TOKEN\u73af\u5883\u53d8\u91cf\u7684\u503c\uff0c\u5e76\u663e\u793a\u89e3\u7801\u540e\u7684Secret\u503c\u3002<\/p>\n<pre class=\"post-pre\"><code>$ kubectl exec -it demo-pod-2 \/bin\/bash\r\nroot@demo-pod-2:\/# echo $APP_AUTH_TOKEN\r\nWEj4VmNF755uc9vZdz98zvPXB6DkHp\r\nroot@demo-pod-2:\/# \r\n<\/code><\/pre>\n<h3>\u7ee7\u7eed\u9605\u8bfb<\/h3>\n<p>\u7ee7\u7eed\u9605\u8bfb\u66f4\u591a<\/p>\n<p>\u6700\u8fd1\uff0cKubernetes\u5ba3\u5e03\u4e86\u4e00\u4e2a\u65b0\u529f\u80fd\uff0c\u7528\u4e8e\u5bf9\u4fdd\u5b58\u7684\u5bc6\u7801\u8fdb\u884c\u52a0\u5bc6\uff0c\u6211\u5f3a\u70c8\u63a8\u8350\u4f60\u53bb\u9605\u8bfb\u4e00\u4e0b\u3002\u5c3d\u7ba1\u8fd9\u4e2a\u529f\u80fd\u975e\u5e38\u65b0\uff0c\u4f46\u4e5f\u503c\u5f97\u5c1d\u8bd5\u4e00\u4e0b\u3002<\/p>\n<h1>3. Kubernetes\u79d8\u5bc6\u7ba1\u7406\u7684\u9ad8\u7ea7\u529f\u80fd<\/h1>\n<p>\u5728\u4e4b\u524d\uff0c\u6211\u4eec\u5b66\u4e60\u4e86Kubernetes Secrets\u7684\u5de5\u4f5c\u539f\u7406\u4ee5\u53ca\u5982\u4f55\u5728Pod\u4e2d\u4f7f\u7528secret\u3002\u7136\u800c\uff0c\u5982\u679c\u6211\u4eec\u8fd0\u884c\u591a\u4e2aKubernetes\u96c6\u7fa4\uff08\u5f00\u53d1\/\u7070\u5ea6\/\u751f\u4ea7\uff09\uff0c\u6211\u4eec\u5c31\u9700\u8981\u4e00\u4e2a\u96c6\u4e2d\u5f0f\u7684secret\u5b58\u50a8\u548c\u5b89\u5168\u673a\u5236\u6765\u5c06\u6240\u9700\u7684secret\u5bfc\u5165\u5230Pod\u73af\u5883\u4e2d\u3002<\/p>\n<p>\u6211\u5c06\u4ecb\u7ecd\u4e24\u79cd\u89e3\u51b3\u65b9\u6848\u3002<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\u5728\u57fa\u4e8eKubernetes\u7684\u8eab\u4efd\u9a8c\u8bc1\u4e2d\u4f7f\u7528Vault<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\u901a\u8fc7\u5c06Chamber\u96c6\u6210\u5230Dockerfile\u4e2d\uff0c\u4eceAWS\u53c2\u6570\u5b58\u50a8\u52a0\u8f7dSecret\uff08\u9002\u7528\u4e8eAWS\u4e0a\u7684Kubernetes\u96c6\u7fa4\uff09<\/ol>\n<p>3.1 \u4f7f\u7528Kubernetes\u4f5c\u4e3a\u57fa\u7840\u8ba4\u8bc1\u7684\u65b9\u5f0f\u6765\u4f7f\u7528Vault<\/p>\n<p>Vault\u57fa\u4e8e\u7684\u8ba4\u8bc1\u5de5\u4f5c\u6d41\u7a0b\u53ef\u4ee5\u603b\u7ed3\u5982\u4e0b\u3002<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>Pods are deployed in specific namespaces and associated with specific service accounts.<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>The service accounts associated with namespaces are linked to the Kubernetes authentication role for the Vault backend.<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>Pods authenticate with Vault using the token of the service account to obtain the VAULT_TOKEN.<\/ol>\n<\/li>\n<\/ol>\n<p>Using the VAULT_TOKEN and VAULT_ADDRESS, secrets can be securely retrieved from Vault.<\/p>\n<p>\u53e6\u5916\uff0c\u5728\u5c06\u8fd9\u4e9bSecrets\u4f5c\u4e3a\u73af\u5883\u53d8\u91cf\u6ce8\u5165\u5230Pod\u4e2d\uff0c\u6709\u51e0\u4e2a\u9009\u9879\u53ef\u4f9b\u9009\u62e9\u3002\u7a0d\u540e\u5c06\u5bf9\u6b64\u8fdb\u884c\u89e3\u91ca\u3002<\/p>\n<h3>3.2 Vault\u662f\u4ec0\u4e48\uff1f<\/h3>\n<p>Vault\u662f\u4e00\u79cd\u8f7b\u91cf\u7ea7\u5de5\u5177\uff0c\u7528\u4e8e\u6709\u6548\u5730\u4fdd\u5b58\u548c\u7ba1\u7406\u79d8\u5bc6\u3002\u5b83\u5b8c\u5168\u52a0\u5bc6\uff0c\u5e76\u652f\u6301\u5b89\u5168\u7684Kubernetes\u8ba4\u8bc1\u3002Vault\u901a\u5e38\u7531Consul\u4f5c\u4e3a\u5b58\u50a8\u5f15\u64ce\u8fdb\u884c\u652f\u6301\u3002\u56e0\u6b64\uff0c\u5b83\u975e\u5e38\u53ef\u9760\u4e14\u5177\u6709\u9ad8\u5ea6\u7684\u5bb9\u9519\u80fd\u529b\uff0c\u80fd\u591f\u5728\u8282\u70b9\u6545\u969c\u65f6\u6062\u590d\u3002<\/p>\n<h3>3.3 \u8bbe\u7f6eVault<\/h3>\n<p>\u4e3a\u4e86\u4e3aKubernetes\u5e94\u7528\u7a0b\u5e8f\u914d\u7f6eVault\uff0c\u6709\u51e0\u79cd\u65b9\u6cd5\u53ef\u4f9b\u9009\u62e9\u3002<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\u5728\u53ef\u4ece\u6574\u4e2a\u73af\u5883\u8bbf\u95ee\u7684Kubernetes\u96c6\u7fa4\u4e2d\u914d\u7f6eVault\u3002<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\u4f7f\u7528\u6258\u7ba1\u7248\u672c\u7684Vault\u3002<\/ol>\n<p>\u5728\u8fd9\u7bc7\u535a\u6587\u4e2d\uff0c\u6211\u4eec\u5c06\u4e0d\u6d89\u53ca\u5982\u4f55\u5728Kubernetes\u4e0a\u8bbe\u7f6eVault\uff0c\u4f46\u6211\u5c06\u5217\u51fa\u53ef\u7528\u7684\u8d44\u6e90\u3002<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\u4ee5\u4e0b\u662f\u7528\u4e2d\u6587\u539f\u751f\u65b9\u5f0f\u91ca\u4e49\u7684\u9009\u9879\uff1a<\/ol>\n<\/li>\n<\/ol>\n<p>https:\/\/www.hashicorp.com\/blog\/announcing-the-vault-helm-chart<br \/>\n&#8211; \u54c8\u5e0c\u516c\u53f8\u53d1\u5e03\u4e86Vault Helm Chart\u3002<\/p>\n<p>https:\/\/github.com\/hashicorp\/consul-helm<br \/>\n&#8211; \u54c8\u5e0c\u516c\u53f8\u7684Consul Helm\u4ed3\u5e93\u3002<\/p>\n<p>\u4e00\u65e6\u8bbe\u7f6e\u597dVault\uff0c\u5c31\u53ef\u4ee5\u8fde\u63a5\u5230Kubernetes\u96c6\u7fa4\u3002\u6b63\u5982\u524d\u9762\u6240\u8ff0\uff0c\u6211\u4eec\u7684\u76ee\u6807\u662f\u4f7f\u5f97Pod\u80fd\u591f\u6709\u6548\u5730\u901a\u8fc7Vault\u8fdb\u884c\u8ba4\u8bc1\uff0c\u5e76\u4f7f\u5e94\u7528\u7a0b\u5e8f\u80fd\u591f\u83b7\u53d6Secret\u3002<\/p>\n<h3>\u4f7f\u7528Vault\u8ba4\u8bc1Kubernetes Pod<\/h3>\n<p>\u9996\u5148\uff0c\u521b\u5efa\u4e00\u4e2a\u5177\u6709\u4ee5\u4e0b\u6743\u9650\u7684Kubernetes\u670d\u52a1\u5e10\u6237\u3002<\/p>\n<pre class=\"post-pre\"><code>$ cat vault_sa.yaml\r\napiVersion: rbac.authorization.k8s.io\/v1beta1\r\nkind: ClusterRoleBinding\r\nmetadata:\r\n  name: role-tokenreview-binding\r\n  namespace: default\r\nroleRef:\r\n  apiGroup: rbac.authorization.k8s.io\r\n  kind: ClusterRole\r\n  name: system:auth-delegator\r\nsubjects:\r\n- kind: ServiceAccount\r\n  name: vault-auth\r\n  namespace: default\r\n\r\n$ kubectl apply -f vault_sa.yaml\r\nclusterrolebinding.rbac.authorization.k8s.io \"role-tokenreview-binding\" created\r\n<\/code><\/pre>\n<p>\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u4f1a\u83b7\u53d6\u53d8\u91cf\u5e76\u5728Vault\u540e\u53f0\u542f\u7528Kubernetes\u8ba4\u8bc1\u3002<\/p>\n<p>Kubernetes\u4e3b\u673a\uff1aVault\u53ef\u8fde\u63a5\u7684\u5730\u5740\u3002<\/p>\n<pre class=\"post-pre\"><code>k8s_host=\"$(kubectl config view --minify | grep server | cut -f 2- -d \":\" | tr -d \" \")\"\r\n<\/code><\/pre>\n<p>\u96c6\u7fa4\u8ba4\u8bc1\u6570\u636e: \u7528\u4e8e\u9a8c\u8bc1\u8fde\u63a5\u7684\u8bc1\u4e66\u3002<\/p>\n<pre class=\"post-pre\"><code>k8s_cacert=\"$(kubectl config view --raw --minify --flatten -o jsonpath='{.clusters[].cluster.certificate-authority-data}' | base64 --decode)\"\r\n<\/code><\/pre>\n<p>\u7528\u6237\u4ee4\u724c \u2014 Vault \u8ba4\u8bc1\u670d\u52a1\u8d26\u53f7\u626e\u6f14\u4e86\u5ba1\u9605\u8005\u7684\u89d2\u8272\u3002Vault \u4f7f\u7528\u8be5\u670d\u52a1\u8d26\u53f7\u4e0e\u96c6\u7fa4\u8fdb\u884c\u4ea4\u4e92\u3002<\/p>\n<pre class=\"post-pre\"><code>secret_name=\"$(kubectl get serviceaccount vault-auth -o go-template='{{ (index .secrets 0).name }}')\"\r\n\r\naccount_token=\"$(kubectl get secret ${secret_name} -o go-template='{{ .data.token }}' | base64 --decode)\"\r\n<\/code><\/pre>\n<p>\u5f53\u83b7\u53d6\u5230\u6240\u6709\u8fd9\u4e9b\u503c\u65f6\uff0c\u60a8\u53ef\u4ee5\u5728Vault\u540e\u7aef\u4e2d\u542f\u7528Kubernetes\u8ba4\u8bc1\u3002<\/p>\n<pre class=\"post-pre\"><code>vault auth enable kubernetes\r\nvault write auth\/kubernetes\/config \\\r\n    token_reviewer_jwt=${account_token} \\\r\n    kubernetes_host=${k8s_host} \\\r\n    kubernetes_ca_cert=${k8s_cacert}\r\n<\/code><\/pre>\n<p>\u63a5\u4e0b\u6765\uff0c\u9700\u8981\u786e\u4fdd\u65b0\u542f\u52a8\u7684Pod\u53ef\u4ee5\u5728Vault\u670d\u52a1\u5668\u4e0a\u8fdb\u884c\u8eab\u4efd\u9a8c\u8bc1\u3002\u4e3a\u6b64\uff0c\u9700\u8981\u5c06\u547d\u540d\u7a7a\u95f4\u7ed1\u5b9a\u5230Vault\u89d2\u8272\uff0c\u5e76\u7a0d\u540e\u4f7f\u7528\u8be5\u547d\u540d\u7a7a\u95f4\u7684\u670d\u52a1\u8d26\u6237JWT\u8fdb\u884c\u8ba4\u8bc1\u3002<\/p>\n<pre class=\"post-pre\"><code>vault write auth\/kubernetes\/role\/demo bound_service_account_names=vault-auth bound_service_account_namespaces=default policies=demo-policy ttl=1h\r\n<\/code><\/pre>\n<p>\u6211\u5728\u8fd9\u91cc\u6765\u8bd5\u4e00\u8bd5\uff01<\/p>\n<p>\u6211\u5c06\u521b\u5efa\u4e00\u4e2a\u6f14\u793a\u7528\u7684Pod\uff0c\u5e76\u8bd5\u56fe\u5728Vault\u4e2d\u8fdb\u884c\u8ba4\u8bc1\u3002<\/p>\n<pre class=\"post-pre\"><code>kubectl run -it --rm --image=ubuntu --serviceaccount=vault-auth test -- \/bin\/bash\r\nroot$ apt-get update -y &amp;&amp; apt-get install vim curl jq mysql-client -y\r\n\r\n#Let's get the service account JWT token\r\nroot$ JWT=\"$(cat \/var\/run\/secrets\/kubernetes.io\/serviceaccount\/token)\"\r\n\r\n#Now we can use this to get the vault token\r\nroot$ VAULT_TOKEN=\"$(curl --request POST --data '{\"jwt\": \"'\"$JWT\"'\", \"role\": \"demo\"}' -s -k https:\/\/${VAULT_ADDRESS}\/v1\/auth\/kubernetes\/login | jq -r '.auth.client_token')\"\r\n<\/code><\/pre>\n<p>\u901a\u8fc7\u4f7f\u7528VAULT_TOKEN\uff0c\u5728Vault\u4e2d\u8fdb\u884c\u8eab\u4efd\u9a8c\u8bc1\u5e76\u83b7\u53d6\u79d8\u5bc6\u3002\u4f46\u662f\uff0c\u8fd9\u53ea\u662f\u6574\u4e2a\u8fc7\u7a0b\u7684\u4e00\u534a\u3002\u6211\u4eec\u7684\u76ee\u6807\u662f\u5c06Vault Secret\u914d\u7f6e\u5230\u73af\u5883\u53d8\u91cf\u4e2d\uff0c\u4ee5\u4f9b\u5e94\u7528\u7a0b\u5e8f\u4f7f\u7528\u3002<\/p>\n<p>\u5982\u679c\u4f60\u7684\u5e94\u7528\u7a0b\u5e8f\u4e2d\u6709\u903b\u8f91\u4f7f\u7528VAULT_TOKEN\u548cVAULT_ADDRESS\u73af\u5883\u53d8\u91cf\u76f4\u63a5\u4eceVault\u4e2d\u8bfb\u53d6\u6570\u636e\u7684\u8bdd\uff0c\u4f60\u53ef\u4ee5\u5b8c\u5168\u8df3\u8fc7\u8fd9\u90e8\u5206\u3002\u5426\u5219\uff0c\u6267\u884c\u4ee5\u4e0b\u64cd\u4f5c\u3002<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\u5c06vaultenv\u4e0eDocker\u5bb9\u5668\u96c6\u6210<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\u5728\u5165\u53e3\u70b9\u811a\u672c\u7684\u5f00\u5934\u4f7f\u7528vaultenv\u6765\u914d\u7f6e\u73af\u5883<\/ol>\n<h1>4. \u5c06\u5bc6\u94a5\u4fdd\u5b58\u5728AWS\u53c2\u6570\u5b58\u50a8\u4e2d\u3002<\/h1>\n<h3>4.1 AWS\u53c2\u6570\u5b58\u50a8\u662f\u4ec0\u4e48\uff1f<\/h3>\n<p>\u8fd9\u662f\u4e00\u4e2a\u7531AWS\u63d0\u4f9b\u7684\u975e\u5e38\u53ef\u6269\u5c55\u4e14\u5b89\u5168\u7684\u670d\u52a1\uff0c\u7528\u4e8e\u5b58\u50a8Secrets\u3002\u60a8\u53ef\u4ee5\u4f7f\u7528AWS CLI\u6765\u8bfb\u5199Secrets\u3002\u5982\u679c\u8981\u4eceEC2\u5b9e\u4f8b\u6216ECS\u4efb\u52a1\u4e2d\u8fdb\u884c\u8bbf\u95ee\uff0c\u60a8\u9700\u8981\u914d\u7f6e\u9002\u5f53\u7684IAM\u89d2\u8272\u3002<\/p>\n<h3>4.2 \u4ec0\u4e48\u662f\u300c\u30c1\u30e3\u30f3\u30d0\u30fc\uff08Chamber\uff09\u300d\uff1f<\/h3>\n<p>Chamber\u662f\u4e00\u4e2a\u80fd\u591f\u5728AWS Parameter Store\u4e2d\u8bfb\u5199\u79d8\u94a5\u7684\u547d\u4ee4\u884c\u5b9e\u7528\u5de5\u5177\u3002\u5b83\u652f\u6301\u8bb8\u591a\u5176\u4ed6\u547d\u4ee4\uff0c\u4ee5\u4fbf\u6dfb\u52a0Secrets\u5230\u6267\u884c\u73af\u5883\u6216\u4ee5\u5404\u79cd\u683c\u5f0f\u5bfc\u51fa\u79d8\u94a5\u3002<\/p>\n<p>\u5f00\u59cb\u8fd9\u4e2a\uff0c\u9700\u8981\u4ee5\u4e0b\u4fe1\u606f\u3002<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>AWS_DEFAULT_REGION: \u4e9a\u9a6c\u900a\u4e91\u670d\u52a1\u9ed8\u8ba4\u533a\u57df<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>AWS_SECRET_KEY_ID: \u4e9a\u9a6c\u900a\u4e91\u670d\u52a1\u5bc6\u94a5ID<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>AWS_SECRET_ACCESS_KEY: \u4e9a\u9a6c\u900a\u4e91\u670d\u52a1\u8bbf\u95ee\u5bc6\u94a5<\/ol>\n<h3>4.3 Chamber\u8fdb\u884c\u672c\u5730\u5b89\u88c5<\/h3>\n<p>\u5982\u679c\u4f60\u6b63\u5728\u4f7f\u7528Mac\uff0c\u4f60\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u5728\u672c\u5730\u5b89\u88c5Chamber\u3002<\/p>\n<pre class=\"post-pre\"><code>brew update\r\nbrew install chamber\r\n<\/code><\/pre>\n<p>\u8bf7\u786e\u8ba4\u7b14\u8bb0\u672c\u7535\u8111\u4e0a\u5df2\u7ecf\u8bbe\u7f6e\u4e86AWS\u547d\u4ee4\u884c\u5de5\u5177\u3002<\/p>\n<p>\u4f7f\u7528\u4ee5\u4e0b\u5185\u5bb9\u5c06Secret\u5199\u5165AWS\u53c2\u6570\u5b58\u50a8\u3002<\/p>\n<pre class=\"post-pre\"><code>chamber write &lt;service&gt; &lt;key&gt; &lt;value&gt;\r\n<\/code><\/pre>\n<p>\u4f7f\u7528\u4ee5\u4e0b\u65b9\u5f0f\uff0c\u4eceAWS\u53c2\u6570\u5b58\u50a8\u4e2d\u8bfb\u53d6\u79d8\u94a5\u3002<\/p>\n<pre class=\"post-pre\"><code>chamber read &lt;service&gt; &lt;key&gt;\r\n<\/code><\/pre>\n<h3>4.4 Chamber\u4e0eKubernetes\u5e94\u7528\u7a0b\u5e8f\u7684\u96c6\u6210<\/h3>\n<p>\u8981\u5c06Chamber\u4e0eKubernetes\u5e94\u7528\u7a0b\u5e8f\u6574\u5408\uff0c\u9700\u8981\u8fdb\u884c\u4e00\u4e9b\u8f83\u5c0f\u7684\u66f4\u6539\u3002<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\u5e94\u7528\u7a0b\u5e8f\u7684Dockerfile<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\u811a\u672c\u7684\u5165\u53e3\u70b9<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\u90e8\u7f72\u6e05\u5355\u6587\u4ef6<\/ol>\n<p>\u5728Dockerfile\u7684\u9876\u90e8\uff0c\u6dfb\u52a0\u4ee5\u4e0b\u5185\u5bb9\u3002<\/p>\n<pre class=\"post-pre\"><code>FROM golang:1.10.4 AS build\r\n\r\nRUN CGO_ENABLED=0 GOOS=linux go get -v github.com\/segmentio\/chamber\r\n\r\nFROM &lt;existing base image&gt;\r\n\r\nCOPY --from=build \/go\/bin\/chamber \/chamber\r\n\u2026\r\n<\/code><\/pre>\n<p>\u901a\u8fc7\u8fd9\u6837\u505a\uff0cChamber\u4e8c\u8fdb\u5236\u6587\u4ef6\u5c06\u88ab\u6784\u5efa\u5e76\u96c6\u6210\u5230\u5bb9\u5668\u4e2d\u3002<\/p>\n<p>\u5728\u5165\u53e3\u70b9\u811a\u672c\u4e2d\uff0c\u8fdb\u884c\u4ee5\u4e0b\u66f4\u6539\u3002<\/p>\n<p>\u5728\u4e3b\u8981\u5165\u53e3\u903b\u8f91\u542f\u52a8\u4e4b\u524d\uff0c\u6dfb\u52a0\u4ee5\u4e0b\u8bed\u53e5\u6765\u8bbe\u7f6e\u73af\u5883\u53d8\u91cf\u3002<\/p>\n<p>\u5728\u4e3b\u8981\u5165\u53e3\u903b\u8f91\u5f00\u59cb\u4e4b\u524d\uff0c\u6dfb\u52a0\u4e0b\u5217\u8bed\u53e5\u8bbe\u7f6e\u73af\u5883\u53d8\u91cf\u3002<\/p>\n<pre class=\"post-pre\"><code>eval \"$(chamber env $SERVICE)\"\r\n<\/code><\/pre>\n<p>\u5728\u90e8\u7f72\u6e05\u5355\u4e2d\u9700\u8981\u8bbe\u7f6e\u4ee5\u4e0b\u73af\u5883\u53d8\u91cf\u3002<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>AWS_DEFAULT_REGION: \u8fd9\u5bf9\u5e94\u4e8e\u8bbf\u95ee\u51ed\u8bc1\u7684\u9ed8\u8ba4\u533a\u57df\u3002<\/ol>\n<\/li>\n<\/ol>\n<p>SERVICE: \u8fd9\u5bf9\u5e94\u4e8e\u60f3\u8981\u4f7f\u7528Chamber\u4ece\u53c2\u6570\u5b58\u50a8\u4e2d\u8bfb\u53d6Secrets\u7684\u670d\u52a1\u3002<\/p>\n<p>Chamber\u9700\u8981\u8bbf\u95eeAWS_SECRET_KEY_ID\u548cAWS_SECRET_ACCESS_KEY\uff0c\u4f46\u4e0d\u5efa\u8bae\u5728Pod\u6e05\u5355\u6587\u4ef6\u4e2d\u8fdb\u884c\u8fd9\u4e9b\u914d\u7f6e\u3002\u5f3a\u70c8\u5efa\u8bae\u4f7f\u7528\u57fa\u4e8eIAM\u89d2\u8272\u7684\u8bbf\u95ee\u6743\u9650\u65b9\u6cd5\uff0c\u5728AWS Parameter Store\u4e2d\u8fdb\u884c\u8ba4\u8bc1\u3002\u4e3a\u6b64\uff0c\u8bf7\u786e\u4fdd\u4e3a\u5206\u914d\u7ed9Kubernetes\u5de5\u4f5c\u8282\u70b9\u7684IAM\u89d2\u8272\u542f\u7528\u4e86ssm\uff1aGetParameters\u64cd\u4f5c\u3002<\/p>\n<p>\u5f53\u6240\u6709\u8fd9\u4e9b\u914d\u7f6e\u90fd\u5b8c\u6210\u540e\uff0cPod\u4e2d\u7684\u5bb9\u5668\u5c06\u4f1a\u8bfb\u53d6SERVICE\u73af\u5883\u53d8\u91cf\u4e2d\u7684\u79d8\u5bc6\u4fe1\u606f\u3002\u7136\u540e\uff0c\u4f7f\u7528AWS\u53c2\u6570\u5b58\u50a8\u8fdb\u884c\u8eab\u4efd\u8ba4\u8bc1\uff0c\u5e76\u5c06\u5bb9\u5668\u6240\u9700\u7684\u6240\u6709\u79d8\u5bc6\u4fe1\u606f\u5bfc\u5165\u5bb9\u5668\u7684\u73af\u5883\u4e2d\u3002<\/p>\n<h3>5. 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