/
delete.go
124 lines (113 loc) · 4.04 KB
/
delete.go
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package dynamic
import (
"encoding/json"
"io/ioutil"
"github.com/forbearing/k8s/types"
utilrestmapper "github.com/forbearing/k8s/util/restmapper"
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 unstructured k8s resource from type string, []byte, metav1.Object,
// runtime.Object, *unstructured.Unstructured, unstructured.Unstructured
// or map[string]interface{}.
//
// If psssed parameter type is string, it will call DeleteByName insteard of DeleteFromFile.
// You should always explicitly call DeleteFromFile to delete a unstructured object
// from filename.
//
// DeleteByName requires WithGVK() to explicitly specify the k8s resource's GroupVersionKind.
// DeleteFromFile, DeleteFromBytes and DeleteFromMap will find GVK and GVR from
// the provided structured or unstructured data, it's not reuqired to call WithGVK().
func (h *Handler) Delete(obj interface{}) error {
switch val := obj.(type) {
case string:
return h.DeleteByName(val)
case []byte:
return h.DeleteFromBytes(val)
case *unstructured.Unstructured:
return h.deleteUnstructured(val)
case unstructured.Unstructured:
return h.deleteUnstructured(&val)
case map[string]interface{}:
return h.DeleteFromMap(val)
case metav1.Object, runtime.Object:
return h.DeleteFromObject(val)
default:
return ErrInvalidDeleteType
}
}
// DeleteByName deletes unstructured k8s resource with given name.
func (h *Handler) DeleteByName(name string) error {
var err error
if h.gvr, err = utilrestmapper.GVKToGVR(h.restMapper, h.gvk); err != nil {
return err
}
if h.isNamespaced, err = utilrestmapper.IsNamespaced(h.restMapper, h.gvk); err != nil {
return err
}
if h.gvk.Kind == types.KindJob || h.gvk.Kind == types.KindCronJob {
h.SetPropagationPolicy("background")
}
if h.isNamespaced {
return h.dynamicClient.Resource(h.gvr).Namespace(h.namespace).Delete(h.ctx, name, h.Options.DeleteOptions)
}
return h.dynamicClient.Resource(h.gvr).Delete(h.ctx, name, h.Options.DeleteOptions)
}
// DeleteFromFile deletes unstructured k8s resource 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 unstructured k8s resource from bytes data.
func (h *Handler) DeleteFromBytes(data []byte) error {
unstructJson, err := yaml.ToJSON(data)
if err != nil {
return err
}
unstructObj := &unstructured.Unstructured{}
if err = json.Unmarshal(unstructJson, unstructObj); err != nil {
return err
}
return h.deleteUnstructured(unstructObj)
}
// DeleteFromObject deletes unstructured k8s resource from metav1.Object or runtime.Object.
func (h *Handler) DeleteFromObject(obj interface{}) error {
unstructMap, err := runtime.DefaultUnstructuredConverter.ToUnstructured(obj)
if err != nil {
return err
}
return h.deleteUnstructured(&unstructured.Unstructured{Object: unstructMap})
}
// DeleteFromMap deletes unstructured k8s resource from map[string]interface{}.
func (h *Handler) DeleteFromMap(obj map[string]interface{}) error {
return h.deleteUnstructured(&unstructured.Unstructured{Object: obj})
}
// deleteUnstructured
func (h *Handler) deleteUnstructured(obj *unstructured.Unstructured) error {
var err error
if h.gvr, err = utilrestmapper.FindGVR(h.restMapper, obj); err != nil {
return err
}
if h.gvk, err = utilrestmapper.FindGVK(h.restMapper, obj); err != nil {
return err
}
if h.isNamespaced, err = utilrestmapper.IsNamespaced(h.restMapper, h.gvk); err != nil {
return err
}
if h.gvk.Kind == types.KindJob || h.gvk.Kind == types.KindCronJob {
h.SetPropagationPolicy("background")
}
if h.isNamespaced {
namespace := obj.GetNamespace()
if len(namespace) == 0 {
namespace = h.namespace
}
return h.dynamicClient.Resource(h.gvr).Namespace(namespace).Delete(h.ctx, obj.GetName(), h.Options.DeleteOptions)
}
return h.dynamicClient.Resource(h.gvr).Delete(h.ctx, obj.GetName(), h.Options.DeleteOptions)
}