79 lines
2.6 KiB
Go
79 lines
2.6 KiB
Go
package util
|
|
|
|
import (
|
|
"fmt"
|
|
|
|
rbacv1 "k8s.io/api/rbac/v1"
|
|
kubeclient "k8s.io/client-go/kubernetes"
|
|
"k8s.io/klog/v2"
|
|
)
|
|
|
|
// EnsureClusterRoleExist makes sure that the specific cluster role exist in cluster.
|
|
// If cluster role not exit, just create it.
|
|
func EnsureClusterRoleExist(client kubeclient.Interface, clusterRole *rbacv1.ClusterRole, dryRun bool) (*rbacv1.ClusterRole, error) {
|
|
if dryRun {
|
|
return clusterRole, nil
|
|
}
|
|
|
|
exist, err := IsClusterRoleExist(client, clusterRole.Name)
|
|
if err != nil {
|
|
return nil, fmt.Errorf("failed to check if ClusterRole exist. ClusterRole: %s, error: %v", clusterRole.Name, err)
|
|
}
|
|
if exist {
|
|
klog.V(1).Infof("ensure ClusterRole succeed as already exist. ClusterRole: %s", clusterRole.Name)
|
|
return clusterRole, nil
|
|
}
|
|
|
|
createdObj, err := CreateClusterRole(client, clusterRole)
|
|
if err != nil {
|
|
return nil, fmt.Errorf("ensure ClusterRole failed due to create failed. ClusterRole: %s, error: %v", clusterRole.Name, err)
|
|
}
|
|
|
|
return createdObj, nil
|
|
}
|
|
|
|
// EnsureClusterRoleBindingExist makes sure that the specific ClusterRoleBinding exist in cluster.
|
|
// If ClusterRoleBinding not exit, just create it.
|
|
func EnsureClusterRoleBindingExist(client kubeclient.Interface, clusterRoleBinding *rbacv1.ClusterRoleBinding, dryRun bool) (*rbacv1.ClusterRoleBinding, error) {
|
|
if dryRun {
|
|
return clusterRoleBinding, nil
|
|
}
|
|
|
|
exist, err := IsClusterRoleBindingExist(client, clusterRoleBinding.Name)
|
|
if err != nil {
|
|
return nil, fmt.Errorf("failed to check if ClusterRole exist. ClusterRole: %s, error: %v", clusterRoleBinding.Name, err)
|
|
}
|
|
if exist {
|
|
klog.V(1).Infof("ensure ClusterRole succeed as already exist. ClusterRole: %s", clusterRoleBinding.Name)
|
|
return clusterRoleBinding, nil
|
|
}
|
|
|
|
createdObj, err := CreateClusterRoleBinding(client, clusterRoleBinding)
|
|
if err != nil {
|
|
return nil, fmt.Errorf("ensure ClusterRole failed due to create failed. ClusterRole: %s, error: %v", clusterRoleBinding.Name, err)
|
|
}
|
|
|
|
return createdObj, nil
|
|
}
|
|
|
|
// BuildRoleBindingSubjects will generate a subject as per service account.
|
|
// The subject used by RoleBinding or ClusterRoleBinding.
|
|
func BuildRoleBindingSubjects(serviceAccountName, serviceAccountNamespace string) []rbacv1.Subject {
|
|
return []rbacv1.Subject{
|
|
{
|
|
Kind: rbacv1.ServiceAccountKind,
|
|
Name: serviceAccountName,
|
|
Namespace: serviceAccountNamespace,
|
|
},
|
|
}
|
|
}
|
|
|
|
// BuildClusterRoleReference will generate a ClusterRole reference.
|
|
func BuildClusterRoleReference(roleName string) rbacv1.RoleRef {
|
|
return rbacv1.RoleRef{
|
|
APIGroup: rbacv1.GroupName,
|
|
Kind: "ClusterRole",
|
|
Name: roleName,
|
|
}
|
|
}
|