Update rbac.md
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@ -64,8 +64,8 @@ or amend them, using tools such as `kubectl`, just like any other Kubernetes obj
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## API 对象 {#api-overview}
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RBAC API 声明了四种 Kubernetes 对象:_Role_、_ClusterRole_、_RoleBinding_ 和
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_ClusterRoleBinding_。你可以像使用其他 Kubernetes 对象一样,通过类似 `kubectl`
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RBAC API 声明了四种 Kubernetes 对象:**Role**、**ClusterRole**、**RoleBinding** 和
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**ClusterRoleBinding**。你可以像使用其他 Kubernetes 对象一样,通过类似 `kubectl`
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这类工具[描述对象](/zh-cn/docs/concepts/overview/working-with-objects/kubernetes-objects/#understanding-kubernetes-objects),
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或修补对象。
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@ -96,7 +96,7 @@ it can't be both.
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### Role 和 ClusterRole {#role-and-clusterole}
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RBAC 的 _Role_ 或 _ClusterRole_ 中包含一组代表相关权限的规则。
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RBAC 的 **Role** 或 **ClusterRole** 中包含一组代表相关权限的规则。
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这些权限是纯粹累加的(不存在拒绝某操作的规则)。
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Role 总是用来在某个{{< glossary_tooltip text="名字空间" term_id="namespace" >}}内设置访问权限;
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@ -108,8 +108,8 @@ Role 总是用来在某个{{< glossary_tooltip text="名字空间" term_id="name
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ClusterRoles have several uses. You can use a ClusterRole to:
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1. define permissions on namespaced resources and be granted within individual namespace(s)
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1. define permissions on namespaced resources and be granted across all namespaces
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1. define permissions on namespaced resources and be granted access within individual namespace(s)
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1. define permissions on namespaced resources and be granted access across all namespaces
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1. define permissions on cluster-scoped resources
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If you want to define a role within a namespace, use a Role; if you want to define
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@ -117,8 +117,8 @@ a role cluster-wide, use a ClusterRole.
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ClusterRole 有若干用法。你可以用它来:
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1. 定义对某名字空间域对象的访问权限,并将在各个名字空间内完成授权;
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1. 为名字空间作用域的对象设置访问权限,并跨所有名字空间执行授权;
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1. 定义对某名字空间域对象的访问权限,并将在个别名字空间内被授予访问权限;
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1. 为名字空间作用域的对象设置访问权限,并被授予跨所有名字空间的访问权限;
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1. 为集群作用域的资源定义访问权限。
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如果你希望在名字空间内定义角色,应该使用 Role;
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