/
create.go
102 lines (92 loc) · 3 KB
/
create.go
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package rolebinding
import (
"encoding/json"
"fmt"
"io/ioutil"
rbacv1 "k8s.io/api/rbac/v1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
"k8s.io/apimachinery/pkg/runtime"
"k8s.io/apimachinery/pkg/util/yaml"
)
// Create creates rolebinding from type string, []byte, *rbacv1.RoleBinding,
// rbacv1.RoleBinding, metav1.Object, runtime.Object, *unstructured.Unstructured,
// unstructured.Unstructured or map[string]interface{}.
func (h *Handler) Create(obj interface{}) (*rbacv1.RoleBinding, error) {
switch val := obj.(type) {
case string:
return h.CreateFromFile(val)
case []byte:
return h.CreateFromBytes(val)
case *rbacv1.RoleBinding:
return h.CreateFromObject(val)
case rbacv1.RoleBinding:
return h.CreateFromObject(&val)
case *unstructured.Unstructured:
return h.CreateFromUnstructured(val)
case unstructured.Unstructured:
return h.CreateFromUnstructured(&val)
case map[string]interface{}:
return h.CreateFromMap(val)
case metav1.Object, runtime.Object:
return h.CreateFromObject(val)
default:
return nil, ErrInvalidCreateType
}
}
// CreateFromFile creates rolebinding from yaml or json file.
func (h *Handler) CreateFromFile(filename string) (*rbacv1.RoleBinding, error) {
data, err := ioutil.ReadFile(filename)
if err != nil {
return nil, err
}
return h.CreateFromBytes(data)
}
// CreateFromBytes creates rolebinding from bytes data.
func (h *Handler) CreateFromBytes(data []byte) (*rbacv1.RoleBinding, error) {
rbJson, err := yaml.ToJSON(data)
if err != nil {
return nil, err
}
rb := &rbacv1.RoleBinding{}
if err = json.Unmarshal(rbJson, rb); err != nil {
return nil, err
}
return h.createRolebinding(rb)
}
// CreateFromObject creates rolebinding from metav1.Object or runtime.Object.
func (h *Handler) CreateFromObject(obj interface{}) (*rbacv1.RoleBinding, error) {
rb, ok := obj.(*rbacv1.RoleBinding)
if !ok {
return nil, fmt.Errorf("object type is not *rbacv1.RoleBinding")
}
return h.createRolebinding(rb)
}
// CreateFromUnstructured creates rolebinding from *unstructured.Unstructured.
func (h *Handler) CreateFromUnstructured(u *unstructured.Unstructured) (*rbacv1.RoleBinding, error) {
rb := &rbacv1.RoleBinding{}
err := runtime.DefaultUnstructuredConverter.FromUnstructured(u.UnstructuredContent(), rb)
if err != nil {
return nil, err
}
return h.createRolebinding(rb)
}
// CreateFromMap creates rolebinding from map[string]interface{}.
func (h *Handler) CreateFromMap(u map[string]interface{}) (*rbacv1.RoleBinding, error) {
rb := &rbacv1.RoleBinding{}
err := runtime.DefaultUnstructuredConverter.FromUnstructured(u, rb)
if err != nil {
return nil, err
}
return h.createRolebinding(rb)
}
// createRolebinding
func (h *Handler) createRolebinding(rb *rbacv1.RoleBinding) (*rbacv1.RoleBinding, error) {
namespace := rb.GetNamespace()
if len(namespace) == 0 {
namespace = h.namespace
}
rb.ResourceVersion = ""
rb.UID = ""
return h.clientset.RbacV1().RoleBindings(namespace).Create(h.ctx, rb, h.Options.CreateOptions)
}