K8s 1.24中ServiceAccount无法列出leases资源问题求助
ServiceAccount配置Role/RoleBinding后仍无法访问kube-node-lease下的Lease资源
配置了对应Role和RoleBinding的ServiceAccount(system:serviceaccount:karpenter:karpenter)仍无法列出kube-node-lease命名空间下的Lease资源,报错如下:
2023-09-08T15:30:21.875Z INFO controller k8s.io/client-go@v0.26.6/tools/cache/reflector.go:169: failed to list *v1.Lease: leases.coordination.k8s.io is forbidden: User "system:serviceaccount:karpenter:karpenter" cannot list resource "leases" in API group "coordination.k8s.io" in the namespace "kube-node-lease"
执行权限校验命令时返回认证错误:
➜ ~ kubectl auth can-i get leases --as system:serviceaccount:karpenter:karpenter error: You must be logged in to the server (the server has asked for the client to provide credentials (post selfsubjectaccessreviews.authorization.k8s.io))
当前已配置的Role和RoleBinding如下:
apiVersion: rbac.authorization.k8s.io/v1 kind: RoleBinding metadata: name: karpenter-lease namespace: kube-node-lease labels: helm.sh/chart: karpenter-v0.30.0 app.kubernetes.io/name: karpenter app.kubernetes.io/instance: karpenter app.kubernetes.io/version: "0.30.0" app.kubernetes.io/managed-by: Helm roleRef: apiGroup: rbac.authorization.k8s.io kind: Role name: karpenter-lease subjects: - kind: ServiceAccount name: karpenter namespace: karpenter --- # Source: karpenter/templates/role.yaml apiVersion: rbac.authorization.k8s.io/v1 kind: Role metadata: name: karpenter-lease namespace: kube-node-lease labels: helm.sh/chart: karpenter-v0.30.0 app.kubernetes.io/name: karpenter app.kubernetes.io/instance: karpenter app.kubernetes.io/version: "0.30.0" app.kubernetes.io/managed-by: Helm rules: # Read - apiGroups: ["coordination.k8s.io"] resources: ["leases"] verbs: ["get", "list", "watch"] # Write - apiGroups: ["coordination.k8s.io"] resources: ["leases"] verbs: ["delete"]
已知K8s 1.24对ServiceAccount Token有重大变更,已手动创建Token但问题未解决:
kubectl apply -f - <<EOF apiVersion: v1 kind: Secret metadata: name: karpenter annotations: kubernetes.io/service-account.name: karpenter type: kubernetes.io/service-account-token EOF
请问是否有人遇到过此类问题,希望得到帮助。
内容的提问来源于stack exchange,提问作者titanium1905
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