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delete.go
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delete.go
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package ingressclass
import (
"encoding/json"
"fmt"
"io/ioutil"
networkingv1 "k8s.io/api/networking/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"
)
// Delete deletes ingressclass from type string, []byte, *networkingv1.IngressClass,
// networkingv1.IngressClass, metav1.Object, runtime.Object, *unstructured.Unstructured,
// unstructured.Unstructured or map[string]interface{}.
//
// If passed parameter type is string, it will simply call DeleteByName instead of DeleteFromFile.
// You should always explicitly call DeleteFromFile to delete a ingressclass from file path.
func (h *Handler) Delete(obj interface{}) error {
switch val := obj.(type) {
case string:
return h.DeleteByName(val)
case []byte:
return h.DeleteFromBytes(val)
case *networkingv1.IngressClass:
return h.DeleteFromObject(val)
case networkingv1.IngressClass:
return h.DeleteFromObject(&val)
case *unstructured.Unstructured:
return h.DeleteFromUnstructured(val)
case unstructured.Unstructured:
return h.DeleteFromUnstructured(&val)
case map[string]interface{}:
return h.DeleteFromMap(val)
case metav1.Object, runtime.Object:
return h.DeleteFromObject(val)
default:
return ErrInvalidDeleteType
}
}
// DeleteByName deletes ingressclass by name.
func (h *Handler) DeleteByName(name string) error {
return h.clientset.NetworkingV1().IngressClasses().Delete(h.ctx, name, h.Options.DeleteOptions)
}
// DeleteFromFile deletes ingressclass from yaml or json file.
func (h *Handler) DeleteFromFile(filename string) error {
data, err := ioutil.ReadFile(filename)
if err != nil {
return err
}
return h.DeleteFromBytes(data)
}
// DeleteFromBytes deletes ingressclass from bytes data.
func (h *Handler) DeleteFromBytes(data []byte) error {
ingcJson, err := yaml.ToJSON(data)
if err != nil {
return err
}
ingc := &networkingv1.IngressClass{}
if err = json.Unmarshal(ingcJson, ingc); err != nil {
return err
}
return h.deleteIngressclass(ingc)
}
// DeleteFromObject deletes ingressclass from metav1.Object or runtime.Object.
func (h *Handler) DeleteFromObject(obj interface{}) error {
ingc, ok := obj.(*networkingv1.IngressClass)
if !ok {
return fmt.Errorf("object type is not *networkingv1.IngressClass")
}
return h.deleteIngressclass(ingc)
}
// DeleteFromUnstructured deletes ingressclass from *unstructured.Unstructured.
func (h *Handler) DeleteFromUnstructured(u *unstructured.Unstructured) error {
ingc := &networkingv1.IngressClass{}
err := runtime.DefaultUnstructuredConverter.FromUnstructured(u.UnstructuredContent(), ingc)
if err != nil {
return err
}
return h.deleteIngressclass(ingc)
}
// DeleteFromMap deletes ingressclass from map[string]interface{}.
func (h *Handler) DeleteFromMap(u map[string]interface{}) error {
ingc := &networkingv1.IngressClass{}
err := runtime.DefaultUnstructuredConverter.FromUnstructured(u, ingc)
if err != nil {
return err
}
return h.deleteIngressclass(ingc)
}
// deleteIngressclass
func (h *Handler) deleteIngressclass(ingc *networkingv1.IngressClass) error {
return h.clientset.NetworkingV1().IngressClasses().Delete(h.ctx, ingc.Name, h.Options.DeleteOptions)
}