授予Kubernetes服务帐户权限的秘密? [英] Granting a Kubernetes Service Account permissions for Secrets?

问题描述

我有一个服务帐户，我想授予其在特定名称空间中读取/写入/更新/删除机密的权限.我尚不清楚服务帐户，角色，绑定等如何完全配合以授予正确的权限.

I have a Service Account which I'd like to grant permissions to read/write/update/delete Secrets within a specific namespace. I'm not clear about how exactly Service Accounts, Roles, Bindings, etc. work together to grant the right permissions.

我需要做什么kubectl调用或YAML才能将这些权限授予服务帐户?

What kubectl invocations or YAML do I need to do to grant these permissions to the service account?

这是我到目前为止拥有的服务帐户的YAML:

Here's the YAML for the Service Account I have so far:

apiVersion: v1
kind: ServiceAccount
metadata:
  creationTimestamp: 2018-10-09T17:45:20Z
  name: testaccount
  namespace: test
  resourceVersion: "369702913"
  selfLink: /api/v1/namespaces/test/serviceaccounts/testaccount
  uid: f742ed5c-c1b3-11e8-8a69-0ade4132ab56
secrets:
- name: testaccount-token-brjxq

推荐答案

您需要创建角色和角色绑定.

You need to create Role and Role binding.

创建角色:

kind: Role
apiVersion: rbac.authorization.k8s.io/v1
metadata:
 namespace: test
 name: role-test-account
rules:
- apiGroups: [""]
  resources: ["secrets"]
  verbs: ["get", "list", "watch", "create", "update", "patch", "delete"]

创建角色绑定:

kind: RoleBinding
apiVersion: rbac.authorization.k8s.io/v1
metadata:
 name: role-test-account-binding
 namespace: test
subjects:
- kind: ServiceAccount
  name: test-account
  namespace: test
roleRef:
 kind: Role
 name: role-test-account
 apiGroup: rbac.authorization.k8s.io

您可以阅读更多有关使用RBAC授权的信息

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