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基于RBAC实现dashboard只读——view权限
只是简单利用默认的clusterrole - view实现了只读所有namespace下的对象(除去secret、role、rolebinding)，不支持读取集群信息，后期深入了解resource后再重新梳理role和rule
kind: ServiceAccount
apiVersion: v1
metadata: name: view namespace: kube-system ---kind: ClusterRoleBinding
apiVersion: rbac.authorization.k8s.io/v1beta1
metadata:name: dashboard-dev-rolebinding
subjects:- kind: ServiceAccount name: viewnamespace: kube-system
roleRef:kind: ClusterRolename: view apiGroup: rbac.authorization.k8s.io 使用默认的clusterrole：view(Allows read-only access to see most objects in a namespace. It does not allow viewing roles or rolebindings. It does not allow viewing secrets, since those are escalating. )
https://kubernetes.io/docs/reference/access-authn-authz/rbac/
拿token
kubectl describe secret -n kube-system `kubectl describe sa view -n kube-system | grep "Mountable secrets" | awk '{print $3}'` | grep -E ^token | awk '{print $2}' 登录dashboard即可
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