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kubeadm: use built-in system:node-bootstrapper role

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This commit is contained in:
Jordan Liggitt 2017-01-19 10:36:28 -05:00
parent 80f3e93b9a
commit e3f79588f4
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1 changed files with 6 additions and 20 deletions
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26
cmd/kubeadm/app/phases/apiconfig/clusterroles.go
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@ -26,24 +26,8 @@ import (
"k8s.io/kubernetes/pkg/client/clientset_generated/clientset" "k8s.io/kubernetes/pkg/client/clientset_generated/clientset"
) )
// CreateBootstrapRBACClusterRole creates the necessary ClusterRole for bootstrapping // CreateBootstrapRBACClusterRole grants the system:node-bootstrapper role to the group we created the bootstrap credential with
func CreateBootstrapRBACClusterRole(clientset *clientset.Clientset) error { func CreateBootstrapRBACClusterRole(clientset *clientset.Clientset) error {
clusterRole := rbac.ClusterRole{
ObjectMeta: metav1.ObjectMeta{Name: "kubeadm:kubelet-bootstrap"},
Rules: []rbac.PolicyRule{
rbac.NewRule("get").Groups("").Resources("nodes").RuleOrDie(),
rbac.NewRule("create", "watch").Groups("certificates.k8s.io").Resources("certificatesigningrequests").RuleOrDie(),
},
}
if _, err := clientset.Rbac().ClusterRoles().Create(&clusterRole); err != nil {
return err
}
subject := rbac.Subject{
Kind: "Group",
Name: "kubeadm:kubelet-bootstrap",
}
clusterRoleBinding := rbac.ClusterRoleBinding{ clusterRoleBinding := rbac.ClusterRoleBinding{
ObjectMeta: metav1.ObjectMeta{ ObjectMeta: metav1.ObjectMeta{
Name: "kubeadm:kubelet-bootstrap", Name: "kubeadm:kubelet-bootstrap",
@ -51,14 +35,16 @@ func CreateBootstrapRBACClusterRole(clientset *clientset.Clientset) error {
RoleRef: rbac.RoleRef{ RoleRef: rbac.RoleRef{
APIGroup: "rbac.authorization.k8s.io", APIGroup: "rbac.authorization.k8s.io",
Kind: "ClusterRole", Kind: "ClusterRole",
Name: "kubeadm:kubelet-bootstrap", Name: "system:node-bootstrapper",
},
Subjects: []rbac.Subject{
rbac.Subject{Kind: "Group", Name: "kubeadm:kubelet-bootstrap"},
}, },
Subjects: []rbac.Subject{subject},
} }
if _, err := clientset.Rbac().ClusterRoleBindings().Create(&clusterRoleBinding); err != nil { if _, err := clientset.Rbac().ClusterRoleBindings().Create(&clusterRoleBinding); err != nil {
return err return err
} }
fmt.Println("[apiconfig] Created kubelet-bootstrap RBAC rules") fmt.Println("[apiconfig] Created node bootstrapper RBAC rules")
return nil return nil
} }