我正在使用g我想创建一个仅访问特定名称空间的自定义用户,我使用了此YAML:
---
apiVersion: v1
kind: ServiceAccount
metadata:
name: develop-user
namespace: develop
---
kind: Role
apiVersion: rbac.authorization.k8s.io/v1beta1
metadata:
name: develop-user-full-access
namespace: develop
rules:
- apiGroups: rbac.authorization.k8s.io
resources:
- services
verbs: ["get"]
---
kind: RoleBinding
apiVersion: rbac.authorization.k8s.io/v1beta1
metadata:
name: develop-user-view
namespace: develop
subjects:
- kind: ServiceAccount
name: develop-user
namespace: develop
roleRef:
apiGroup: rbac.authorization.k8s.io
kind: Role
name: develop-user-full-access
因此,在将上下文切换到此新服务帐户之后,我获得了证书并添加到了Kube配置中,并确定我仍然可以访问所有内容:(
为什么会发生以及如何修复?
我的kubeconfig(pastebin副本:https://pastebin.com/s5nd6dnn):
apiVersion: v1
clusters:
- cluster:
certificate-authority-data: %certificate-data%
server: https://animeheaven.nyah
name: anime-cluster-develop
contexts:
- context:
cluster: anime-cluster-develop
namespace: develop
user: develop-user
name: anime-develop
current-context: anime-develop
kind: Config
preferences: {}
users:
- name: develop-user
user:
client-key-data: %certdata%
token: %tokenkey%
https://medium.com/uppime-99/making-sense-of-kubernetes-rbac-and-iam--------------------er-on-on-gke-914131b01922
https://medium.com/@managdkube/kubernetes-rbac-port-forward-4c7eb3951e28
这两篇文章最终帮助了我!由于这些愚蠢的事情,我几乎感到沮丧,这要归功于Uptime-99和ManagedKube我做到了!是的!
关键是在gcloud中创建kubernetes-viewer用户,然后为他创建角色这是一个提示!
---
kind: Role
apiVersion: rbac.authorization.k8s.io/v1
metadata:
namespace: develop
name: allow-developer-port-forward
rules:
- apiGroups: [""]
resources: ["pods", "pods/portforward"]
verbs: ["get", "list", "create"]
---
kind: RoleBinding
apiVersion: rbac.authorization.k8s.io/v1
metadata:
name: anime-developer-port-access
namespace: develop
subjects:
- kind: User
name: ANIMEDEVERLOP@gmail.com
apiGroup: rbac.authorization.k8s.io
roleRef:
kind: Role
name: allow-developer-port-forward
apiGroup: ""
然后
kubectly应用-f accessconfig.yaml
多数民众赞成在!
祝您有美好的一天!
这是一篇关于如何设置的好文章:https://jeremievallee.com/2018/05/05/28/kubernetes-rbac-namespace-pace-pace-user.html。
通常,您的配置很好,我更改的是- apiGroups: rbac.authorization.k8s.io
行更改为:
- apiGroups: ["", "extensions", "apps"]
然后,应用以下步骤:
- 创建
develop
名称空间
$ kubectl create namespace develop
- 从您的配置创建RBAC。
$ kubectl apply -f rbac.yaml
- 阅读集群IP,令牌和CA证书。
$ kubectl cluster-info
$ kubectl get secret develop-user-token-2wsnb -o jsonpath={.data.token} -n develop | base64 --decode
$ kubectl get secret develop-user-token-2wsnb -o "jsonpath={.data['ca.crt']}" -n develop
- 填写
~/.kube/config
文件(如链接指南中所述) - 将上下文更改为
develop
- 用户只能访问
develop
名称空间中的服务。
$ kubectl get service my-service -n mynamespace
Error from server (Forbidden): services "my-service" is forbidden: User "system:serviceaccount:develop:develop-user" cannot get services in the namespace "mynamespace"
$ kubectl get service my-service -n develop
hError from server (NotFound): services "my-service" not found