工资群发助手在哪里(工资群发助手收费的吗)
620
2022-05-30
写在前面
学习K8s涉及,整理笔记记忆
博文偏实战,内容涉及:
k8s中API Server的授权策略简述
RBAC授权策略中涉及到的资源对象创建删除
Role
ClusterRole
RoleBinding
ClusterRoleBinding
集群外客户机访问基于RBAC授权用户的场景Demo
我也突然懂得,原来痛苦、失望和悲愁不是为了惹恼我们,使我们气馁或者无地自容;它们的存在,是为了使我们心智成熟,臻于完善。 ——赫尔曼·黑塞《彼得·卡门青》
API Server授权管理
环境版本
┌──[root@vms81.liruilongs.github.io]-[~/ansible] └─$kubectl get nodes NAME STATUS ROLES AGE VERSION vms81.liruilongs.github.io Ready control-plane,master 41d v1.22.2 vms82.liruilongs.github.io Ready
除了k8s集群,我们还用到了集群外的机器liruilongs.github.io,这个机器作为客户器,安装了kubectl客户端,以上传了liruilong用户的kubeconfig证书文件,但是没有绑定角色
命名空间环境准备
┌──[root@vms81.liruilongs.github.io]-[~/ansible] └─$kubectl create ns liruilong-rbac-create namespace/liruilong-rbac-create created ┌──[root@vms81.liruilongs.github.io]-[~/ansible] └─$mkdir k8s-rbac-create;cd k8s-rbac-create ┌──[root@vms81.liruilongs.github.io]-[~/ansible/k8s-rbac-create] └─$kubectl config set-context $(kubectl config current-context) --namespace=liruilong-rbac-create Context "kubernetes-admin@kubernetes" modified. ┌──[root@vms81.liruilongs.github.io]-[~/ansible/k8s-rbac-create] └─$
授权策略简述
当客户端发起API Server调用时, API Server内部要先进行用户认证,然后执行用户鉴权流程,即通过鉴权策略来决定一个API调用是否合法。想来对于开发的小伙伴并不陌生,常用的Spring Security等安全框架,都会涉及认证和鉴权的过程。
既然鉴权,那必有授权的过程,简单地说,授权就是授予不同的用户不同的访问权限。API Server目前支持以下几种授权策略
策略的设置通过通过API Server的启动参数"--authorization-mode"设置。
┌──[root@vms81.liruilongs.github.io]-[~/ansible/k8s-rbac-create] └─$cat /etc/kubernetes/manifests/kube-apiserver.yaml | grep authorization-mode - --authorization-mode=Node,RBAC ┌──[root@vms81.liruilongs.github.io]-[~/ansible/k8s-rbac-create] └─$
关于授权策略,AlwaysAllow和AlwaysDeny不多讲,ABAC不够灵活,Node授权器主要用于各个node上的kubelet访问apiserver时使用的,其他一般均由RBAC授权器来授权,下面我们看看RBAC的权限策略
RBAC授权模式
这一块,官方文档写的很详细,详细学习,小伙伴还是去官网看看,这里讲一些常用的完整Demo,官网地址:https://kubernetes.io/zh/docs/reference/access-authn-authz/rbac/
RBAC(Role-Based Access Control,基于角色的访问控制)即权限是和角色相关的,而用户则被分配相应的角色作为其成员。
在Kubernetes的1.5版本中引入,在1.6版本时升级为Beta版本,在1.8版本时升级为GA。作为kubeadm安装方式的默认选项,相对于其他访问控制方式,新的RBAC具有如下优势。
对集群中的资源和非资源权限均有完整的覆盖。
整个RBAC完全由几个API对象完成,同其他API对象一样,可以用kubectl或API进行操作。
可以在运行时进行调整,无须重新启动API Server。
要使用RBAC授权模式,需要在API Server的启动参数中加上–authorization-mode=RBAC,如果小伙伴默认使用kubeadm安装,那么默认使用Node,RBAC两种策略
┌──[root@vms81.liruilongs.github.io]-[~/ansible/k8s-rbac-create] └─$cat /etc/kubernetes/manifests/kube-apiserver.yaml | grep authorization-mode - --authorization-mode=Node,RBAC
RBAC的API资源对象引入了4个新的顶级资源对象:
Role
ClusterRole
RoleBinding
ClusterRoleBinding
同其他API资源对象一样,用户可以使用kubectl或者API调用等方式操作这些资源对象。
角色(Role)一个角色就是一组权限的集合。在同一个命名空间中,可以用Role来定义一个角色,如果是集群级别的,就需要使用ClusterRole了。角色只能对命名空间内的资源进行授权
集群角色(ClusterRole)集群角色除了具有和角色一致的
,
命名空间内资源的管理能力,因其集群级别的范围,还可以用于以下特殊元素的授权。
集群范围的资源,例如Node
.
非资源型的路径,例如“/api"
包含全部命名空间的资源,例如pods (用于kubectl get pods -all-namespaces这样的操作授权)。
下面我们找一个集群中内置的集群角色管理员看看详细信息
┌──[root@vms81.liruilongs.github.io]-[~/ansible/k8s-rbac-create] └─$kubectl describe clusterrole admin Name: admin Labels: kubernetes.io/bootstrapping=rbac-defaults Annotations: rbac.authorization.kubernetes.io/autoupdate: true PolicyRule: Resources Non-Resource URLs Resource Names Verbs --------- ----------------- -------------- ----- rolebindings.rbac.authorization.k8s.io [] [] [create delete deletecollection get list patch update watch] roles.rbac.authorization.k8s.io [] [] [create delete deletecollection get list patch update watch] configmaps [] [] [create delete deletecollection patch update get list watch] events [] [] [create delete deletecollection patch update get list watch] persistentvolumeclaims [] [] [create delete deletecollection patch update get list watch] pods [] [] [create delete deletecollection patch update get list watch] replicationcontrollers/scale [] [] [create delete deletecollection patch update get list watch] ......... ┌──[root@vms81.liruilongs.github.io]-[~/ansible/k8s-rbac-create] └─$
在上面的管理员集群角色中,Resources列为允许访问的资源,Verbs列为允许操作的行为或者动作
有个角色,那么角色和用户或者用户组是如何绑定的,这里就需要角色绑定这个资源对象了,不知道小伙记不记得,我们在做认证的时候,有一个授权的动作
给用户授权,这里给 liruilong 一个集群角色 cluster-role(cluster-admin类似于root一样的角色),这样 liruilong 具有管理员权限
┌──[root@vms81.liruilongs.github.io]-[~/ansible/k8s-rbac-create] └─$kubectl create clusterrolebinding test --clusterrole=cluster-admin --user=liruilong clusterrolebinding.rbac.authorization.k8s.io/test created ┌──[root@vms81.liruilongs.github.io]-[~/ansible/k8s-rbac-create] └─$
在这里,我们把cluster-admin这个集群角色绑定到了用户liruilong,cluster-admin这个角色相当于是一个root用户的角色
角色绑定(RoleBinding)和集群角色绑定(ClusterRoleBinding)
:用来把一个角色绑定到一个目标上,绑定目标可以是User (用户) 、Group (组)或者Service Account。
在一般情况下,使用RoleBinding为某个命名空间授权,使用ClusterRoleBinding为集群范围内授权。
RoleBinding(角色绑定)可以引用Role进行授权。也可以引用ClusterRole,对属于同一命名空间内ClusterRole定义的资源主体进行授权
ClusterRoleBinding(集群角色绑定)中的角色只能是集群角色(ClusterRole),用于进行集群级别或者对所有命名空间都生效的授权
实战
查看系统中角色
┌──[root@vms81.liruilongs.github.io]-[~/ansible] └─$kubectl get role No resources found in liruilong-rbac-create namespace.
创建一个role角色资源对象
┌──[root@vms81.liruilongs.github.io]-[~/ansible] └─$kubectl create role role-liruilong --verb=get,list,watch --resource=pod --dry-run=client -o yaml
这里我们创建一个角色,名字叫role-liruilong,定义这个角色拥有pod资源的查看详细信息,列表查看,监听,创建的权限
查看资源文件
apiVersion: rbac.authorization.k8s.io/v1 kind: Role metadata: creationTimestamp: null name: role-liruilong rules: - apiGroups: - "" resources: - pods verbs: - get - list - watch - create
资源文件属性
apiGroups
:支持的API组列表,例如“apiVersion:batch/v1”,“apiVersion: extensions:v1beta1”,“apiVersion: apps/v1beta1”等
resources
:支持的资源对象列表,例如pods、deployments、jobs等。
verbs
:对资源对象的操作方法列表,例如get、watch、list、delete、replace、patch等
通过yaml文件创建一个role资源对象
┌──[root@vms81.liruilongs.github.io]-[~/ansible] └─$kubectl create role role-liruilong --verb=get,list,watch,create --resource=pod --dry-run=client -o yaml >role-liruilong.yaml ┌──[root@vms81.liruilongs.github.io]-[~/ansible] └─$kubectl apply -f role-liruilong.yaml role.rbac.authorization.k8s.io/role-liruilong created
查看角色信息
┌──[root@vms81.liruilongs.github.io]-[~/ansible] └─$kubectl get role NAME CREATED AT role-liruilong 2022-01-23T13:17:15Z
查看角色详细信息
┌──[root@vms81.liruilongs.github.io]-[~/ansible] └─$kubectl describe role role-liruilong Name: role-liruilong Labels:
绑定角色到liruilong用户
┌──[root@vms81.liruilongs.github.io]-[~/ansible/k8s-rbac-create] └─$kubectl create rolebinding rbind-liruilong --role=role-liruilong --user=liruilong rolebinding.rbac.authorization.k8s.io/rbind-liruilong created
查看角色绑定
┌──[root@vms81.liruilongs.github.io]-[~/ansible/k8s-rbac-create] └─$kubectl get rolebindings NAME ROLE AGE rbind-liruilong Role/role-liruilong 23s
查看绑定角色的详细信息
┌──[root@vms81.liruilongs.github.io]-[~/ansible/k8s-rbac-create] └─$kubectl describe rolebindings rbind-liruilong Name: rbind-liruilong Labels:
然后我们在客户机访问测试
这里使用我们之前创建的kubeonfig证书,我们之前创建证书也是基于用户liruilong的
┌──[root@vms81.liruilongs.github.io]-[~/ansible/k8s-rbac-create] └─$kubectl config view | grep namesp namespace: liruilong-rbac-create
修改一下kubeonfig证书的命名空间
┌──[root@liruilongs.github.io]-[~] └─$ cat kc1 | grep namesp namespace: default ┌──[root@liruilongs.github.io]-[~] └─$ sed 's#namespace: default#namespace: liruilong-rbac-create#g' kc1 | grep namesp namespace: liruilong-rbac-create ┌──[root@liruilongs.github.io]-[~] └─$ sed -i 's#namespace: default#namespace: liruilong-rbac-create#g' kc1 | grep namesp
在客户机指定kubeconfig文件测试,认证和鉴权没有问题,当前命名空间没有资源对象
┌──[root@liruilongs.github.io]-[~] └─$ kubectl --kubeconfig=kc1 get pods No resources found in liruilong-rbac-create namespace.
然后我们在客户机创建一个pod
┌──[root@liruilongs.github.io]-[~] └─$ kubectl --kubeconfig=kc1 run pod-demo --image=nginx --image-pull-policy=IfNotPresent --dry-run=client -o yaml >pod-demo.yaml
查看pod资源,创建成功
┌──[root@liruilongs.github.io]-[~] └─$ kubectl --kubeconfig=kc1 get pods NAME READY STATUS RESTARTS AGE pod-demo 1/1 Running 0 28m
删除一个pod,因为没有授权删除的权限,所以无法删除
┌──[root@liruilongs.github.io]-[~] └─$ kubectl --kubeconfig=kc1 delete pod pod-demo Error from server (Forbidden): pods "pod-demo" is forbidden: User "liruilong" cannot delete resource "pods" in API group "" in the namespace "liruilong-rbac-create" ┌──[root@liruilongs.github.io]-[~] └─$
回到集群,添加删除的角色
┌──[root@vms81.liruilongs.github.io]-[~/ansible/k8s-rbac-create] └─$vim role-liruilong.yaml ┌──[root@vms81.liruilongs.github.io]-[~/ansible/k8s-rbac-create] └─$kubectl apply -f role-liruilong.yaml role.rbac.authorization.k8s.io/role-liruilong configured
apiVersion: rbac.authorization.k8s.io/v1 kind: Role metadata: creationTimestamp: null name: role-liruilong rules: - apiGroups: - "" resources: - pods verbs: - get - list - watch - create - delete
重新删除,pod删除成功
┌──[root@liruilongs.github.io]-[~] └─$ kubectl --kubeconfig=kc1 delete pod pod-demo Error from server (Forbidden): pods "pod-demo" is forbidden: User "liruilong" cannot delete resource "pods" in API group "" in the namespace "liruilong-rbac-create" ┌──[root@liruilongs.github.io]-[~] └─$ kubectl --kubeconfig=kc1 delete pod pod-demo pod "pod-demo" deleted ┌──[root@liruilongs.github.io]-[~] └─$
这里我们查看SVC信息,发现没有权限
┌──[root@liruilongs.github.io]-[~] └─$ kubectl --kubeconfig=kc1 get svc Error from server (Forbidden): services is forbidden: User "liruilong" cannot list resource "services" in API group "" in the namespace "liruilong-rbac-create"
提示我们用户liruilong需要添加services资源权限
┌──[root@vms81.liruilongs.github.io]-[~/ansible/k8s-rbac-create] └─$vim role-liruilong.yaml ┌──[root@vms81.liruilongs.github.io]-[~/ansible/k8s-rbac-create] └─$kubectl apply -f role-liruilong.yaml role.rbac.authorization.k8s.io/role-liruilong configured
apiVersion: rbac.authorization.k8s.io/v1 kind: Role metadata: creationTimestamp: null name: role-liruilong rules: - apiGroups: - "" resources: - pods - services - deployments verbs: - get - list - watch - create - delete
这里我们在集群中添加svc和deploy。然后在客户机访问测试,之前访问没有权限,现在提示命名空间中没有资源,说明鉴权成功
┌──[root@liruilongs.github.io]-[~] └─$ kubectl --kubeconfig=kc1 get svc No resources found in liruilong-rbac-create namespace. ┌──[root@liruilongs.github.io]-[~] └─$
但是我们访问deploy的时候,提示报错,没有权限,什么原因呢,这就涉及到一个- apiGroups:的原因
┌──[root@liruilongs.github.io]-[~] └─$ kubectl --kubeconfig=kc1 get deployments Error from server (Forbidden): deployments.apps is forbidden: User "liruilong" cannot list resource "deployments" in API group "apps" in the namespace "liruilong-rbac-create" ┌──[root@liruilongs.github.io]-[~] └─$
我们查看api资源对象,发现deployments和service的版本定义不同,一个是apps/v1,一个是v1,资源对象定义的yaml文件中apiGroups字段用于定义版本组别。
┌──[root@vms81.liruilongs.github.io]-[~/ansible/k8s-rbac-create] └─$kubectl api-resources | grep pods pods po v1 true Pod pods metrics.k8s.io/v1beta1 true PodMetrics podsecuritypolicies psp policy/v1beta1 false PodSecurityPolicy ┌──[root@vms81.liruilongs.github.io]-[~/ansible/k8s-rbac-create] └─$kubectl api-resources | grep deploy deployments deploy apps/v1 true Deployment ┌──[root@vms81.liruilongs.github.io]-[~/ansible/k8s-rbac-create] └─$kubectl api-resources | grep service serviceaccounts sa v1 true ServiceAccount services svc v1 true Service apiservices apiregistration.k8s.io/v1 false APIService servicemonitors monitoring.coreos.com/v1 true ServiceMonitor ┌──[root@vms81.liruilongs.github.io]-[~/ansible/k8s-rbac-create] └─$
修改资源配置文件,添加v1的的上一级apps
┌──[root@vms81.liruilongs.github.io]-[~/ansible/k8s-rbac-create] └─$vim role-liruilong.yaml ┌──[root@vms81.liruilongs.github.io]-[~/ansible/k8s-rbac-create] └─$kubectl apply -f role-liruilong.yaml role.rbac.authorization.k8s.io/role-liruilong configured
apiVersion: rbac.authorization.k8s.io/v1 kind: Role metadata: creationTimestamp: null name: role-liruilong rules: - apiGroups: - "" - "apps" resources: - pods - services - deployments verbs: - get - list - watch - create - delete
客户机访问测试,鉴权成功,但是没有相关的deploy资源
┌──[root@liruilongs.github.io]-[~] └─$ kubectl --kubeconfig=kc1 get deployments Error from server (Forbidden): deployments.apps is forbidden: User "liruilong" cannot list resource "deployments" in API group "apps" in the namespace "liruilong-rbac-create" ┌──[root@liruilongs.github.io]-[~] └─$ kubectl --kubeconfig=kc1 get deployments No resources found in liruilong-rbac-create namespace. ┌──[root@liruilongs.github.io]-[~] └─$
这里我们在客户机创建一个deploy
┌──[root@liruilongs.github.io]-[~] └─$ kubectl --kubeconfig=kc1 create deployment web-liruilong --image=nginx --replicas=2 --dry-run=client -o yaml apiVersion: apps/v1 kind: Deployment metadata: creationTimestamp: null labels: app: web-liruilong name: web-liruilong spec: replicas: 2 selector: matchLabels: app: web-liruilong strategy: {} template: metadata: creationTimestamp: null labels: app: web-liruilong spec: containers: - image: nginx name: nginx resources: {} status: {} ┌──[root@liruilongs.github.io]-[~] └─$ kubectl --kubeconfig=kc1 create deployment web-liruilong --image=nginx --replicas=2 --dry-run=client -o yaml >web-liruilong.yaml
创建成功,查看deploy的资源,可以正常查看
┌──[root@liruilongs.github.io]-[~] └─$ kubectl --kubeconfig=kc1 apply -f web-liruilong.yaml deployment.apps/web-liruilong created ┌──[root@liruilongs.github.io]-[~] └─$ kubectl --kubeconfig=kc1 get deployments NAME READY UP-TO-DATE AVAILABLE AGE web-liruilong 0/2 2 0 31s ┌──[root@liruilongs.github.io]-[~] └─$ kubectl --kubeconfig=kc1 get pods NAME READY STATUS RESTARTS AGE web-liruilong-c546cb69b-g2pvm 0/1 ContainerCreating 0 59s web-liruilong-c546cb69b-w6xfh 0/1 ContainerCreating 0 59s ┌──[root@liruilongs.github.io]-[~] └─$
但是我们修改deplo的副本数量时,会报错,这是什么原因呢,提示我们少了patch权限,没办法修改deploy的副本数量
┌──[root@liruilongs.github.io]-[~] └─$ kubectl --kubeconfig=kc1 scale deployment web-liruilong --replicas=3 Error from server (Forbidden): deployments.apps "web-liruilong" is forbidden: User "liruilong" cannot patch resource "deployments/scale" in API group "apps" in the namespace "liruilong-rbac-create" ┌──[root@liruilongs.github.io]-[~] └─$
同样,添加patch权限
┌──[root@vms81.liruilongs.github.io]-[~/ansible/k8s-rbac-create] └─$vim role-liruilong.yaml ┌──[root@vms81.liruilongs.github.io]-[~/ansible/k8s-rbac-create] └─$kubectl apply -f role-liruilong.yaml role.rbac.authorization.k8s.io/role-liruilong configured
apiVersion: rbac.authorization.k8s.io/v1 kind: Role metadata: creationTimestamp: null name: role-liruilong rules: - apiGroups: - "" - "apps" resources: - pods - services - deployments - deployments/scale verbs: - get - list - watch - create - delete - patch
在次执行命令,可以正常修改deploy的副本
┌──[root@liruilongs.github.io]-[~] └─$ kubectl --kubeconfig=kc1 scale deployment web-liruilong --replicas=3 deployment.apps/web-liruilong scaled ┌──[root@liruilongs.github.io]-[~] └─$ kubectl --kubeconfig=kc1 get deployments NAME READY UP-TO-DATE AVAILABLE AGE web-liruilong 2/3 3 2 7m43s ┌──[root@liruilongs.github.io]-[~] └─$ kubectl --kubeconfig=kc1 get pods NAME READY STATUS RESTARTS AGE web-liruilong-c546cb69b-52nqm 0/1 ContainerCreating 0 16s web-liruilong-c546cb69b-g2pvm 1/1 Running 0 7m50s web-liruilong-c546cb69b-w6xfh 1/1 Running 0 7m50s ┌──[root@liruilongs.github.io]-[~] └─$
apiVersion: rbac.authorization.k8s.io/v1 kind: Role metadata: creationTimestamp: null name: role-liruilong rules: - apiGroups: - "" resources: - pods - services verbs: - get - list - watch - create - delete - apiGroups: - "apps" resources: - deployments - deployments/scale verbs: - get - list - watch - create - delete - patch
角色是基于命名空间的,即不同的命名空间基于角色的权限不会受影响,这里我们需要把角色定义为全局生效,就需要集群角色
我们用之前的角色修改一下资源文件,将资源类型修改为集群角色ClusterRole
┌──[root@vms81.liruilongs.github.io]-[~/ansible/k8s-rbac-create] └─$sed 's#kind: Role#kind: ClusterRole#g' role-liruilong.yaml | grep kind kind: ClusterRole ┌──[root@vms81.liruilongs.github.io]-[~/ansible/k8s-rbac-create] └─$sed -i 's#kind: Role#kind: ClusterRole#g' role-liruilong.yaml | grep kind ┌──[root@vms81.liruilongs.github.io]-[~/ansible/k8s-rbac-create] └─$kubectl apply -f role-liruilong.yaml clusterrole.rbac.authorization.k8s.io/role-liruilong created ┌──[root@vms81.liruilongs.github.io]-[~/ansible/k8s-rbac-create] └─$
同时需要把集群角色和用户liruilong绑定
┌──[root@vms81.liruilongs.github.io]-[~/ansible/k8s-rbac-create] └─$kubectl get clusterrolebindings | grep liruilong cbind-liruilong ClusterRole/role-liruilong 2m29s ┌──[root@vms81.liruilongs.github.io]-[~/ansible/k8s-rbac-create] └─$
查看pod资源list,不但可以查看当前命名空间,也可以查看default、kube-system命名空间的
┌──[root@liruilongs.github.io]-[~] └─$ kubectl --kubeconfig=kc1 get pods No resources found in liruilong-rbac-create namespace. ┌──[root@liruilongs.github.io]-[~] └─$ kubectl --kubeconfig=kc1 get pods -n default No resources found in default namespace. ┌──[root@liruilongs.github.io]-[~] └─$ kubectl --kubeconfig=kc1 get pods -n kube-system NAME READY STATUS RESTARTS AGE calico-kube-controllers-78d6f96c7b-85rv9 1/1 Running 272 (5m49s ago) 39d calico-node-6nfqv 1/1 Running 290 (41m ago) 41d calico-node-fv458 0/1 Running 50 41d calico-node-h5lsq 1/1 Running 98 (17m ago) 41d coredns-7f6cbbb7b8-ncd2s 1/1 Running 21 (6d14h ago) 39d coredns-7f6cbbb7b8-pjnct 1/1 Running 20 (6d14h ago) 39d etcd-vms81.liruilongs.github.io 1/1 Running 126 (8h ago) 41d kube-apiserver-vms81.liruilongs.github.io 1/1 Running 12 (8h ago) 7d10h kube-controller-manager-vms81.liruilongs.github.io 1/1 Running 88 (8h ago) 40d kube-proxy-scs6x 1/1 Running 10 (7d22h ago) 41d kube-proxy-tbwz5 1/1 Running 22 (6d14h ago) 41d kube-proxy-xccmp 1/1 Running 6 (8d ago) 41d kube-scheduler-vms81.liruilongs.github.io 1/1 Running 242 (8h ago) 41d metrics-server-bcfb98c76-ktgnj 1/1 Running 0 6d ┌──[root@liruilongs.github.io]-[~] └─$
删除角色、角色绑定
┌──[root@vms81.liruilongs.github.io]-[~/ansible/k8s-rbac-create] └─$kubectl delete role role-liruilong role.rbac.authorization.k8s.io "role-liruilong" deleted ┌──[root@vms81.liruilongs.github.io]-[~/ansible/k8s-rbac-create] └─$kubectl delete rolebindings rbind-liruilong rolebinding.rbac.authorization.k8s.io "rbind-liruilong" deleted
删除集群角色、集群角色绑定
┌──[root@vms81.liruilongs.github.io]-[~/ansible/k8s-rbac-create] └─$kubectl delete ClusterRole role-liruilong clusterrole.rbac.authorization.k8s.io "role-liruilong" deleted ┌──[root@vms81.liruilongs.github.io]-[~/ansible/k8s-rbac-create] └─$kubectl delete clusterrolebinding cbind-liruilong clusterrolebinding.rbac.authorization.k8s.io "cbind-liruilong" deleted ┌──[root@vms81.liruilongs.github.io]-[~/ansible/k8s-rbac-create] └─$
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