mirror of
https://github.com/ceph/ceph-csi.git
synced 2024-12-19 19:40:19 +00:00
5af3fe5deb
this commits add the controller runtime and its dependency to the vendor. Signed-off-by: Madhu Rajanna <madhupr007@gmail.com>
124 lines
3.4 KiB
Go
124 lines
3.4 KiB
Go
/*
|
|
Copyright 2018 The Kubernetes Authors.
|
|
|
|
Licensed under the Apache License, Version 2.0 (the "License");
|
|
you may not use this file except in compliance with the License.
|
|
You may obtain a copy of the License at
|
|
|
|
http://www.apache.org/licenses/LICENSE-2.0
|
|
|
|
Unless required by applicable law or agreed to in writing, software
|
|
distributed under the License is distributed on an "AS IS" BASIS,
|
|
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
See the License for the specific language governing permissions and
|
|
limitations under the License.
|
|
*/
|
|
|
|
package client
|
|
|
|
import (
|
|
jsonpatch "github.com/evanphx/json-patch"
|
|
"k8s.io/apimachinery/pkg/runtime"
|
|
"k8s.io/apimachinery/pkg/types"
|
|
"k8s.io/apimachinery/pkg/util/json"
|
|
)
|
|
|
|
var (
|
|
// Apply uses server-side apply to patch the given object.
|
|
Apply = applyPatch{}
|
|
|
|
// Merge uses the raw object as a merge patch, without modifications.
|
|
// Use MergeFrom if you wish to compute a diff instead.
|
|
Merge = mergePatch{}
|
|
)
|
|
|
|
type patch struct {
|
|
patchType types.PatchType
|
|
data []byte
|
|
}
|
|
|
|
// Type implements Patch.
|
|
func (s *patch) Type() types.PatchType {
|
|
return s.patchType
|
|
}
|
|
|
|
// Data implements Patch.
|
|
func (s *patch) Data(obj runtime.Object) ([]byte, error) {
|
|
return s.data, nil
|
|
}
|
|
|
|
// RawPatch constructs a new Patch with the given PatchType and data.
|
|
func RawPatch(patchType types.PatchType, data []byte) Patch {
|
|
return &patch{patchType, data}
|
|
}
|
|
|
|
// ConstantPatch constructs a new Patch with the given PatchType and data.
|
|
//
|
|
// Deprecated: use RawPatch instead
|
|
func ConstantPatch(patchType types.PatchType, data []byte) Patch {
|
|
return RawPatch(patchType, data)
|
|
}
|
|
|
|
type mergeFromPatch struct {
|
|
from runtime.Object
|
|
}
|
|
|
|
// Type implements patch.
|
|
func (s *mergeFromPatch) Type() types.PatchType {
|
|
return types.MergePatchType
|
|
}
|
|
|
|
// Data implements Patch.
|
|
func (s *mergeFromPatch) Data(obj runtime.Object) ([]byte, error) {
|
|
originalJSON, err := json.Marshal(s.from)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
modifiedJSON, err := json.Marshal(obj)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
return jsonpatch.CreateMergePatch(originalJSON, modifiedJSON)
|
|
}
|
|
|
|
// MergeFrom creates a Patch that patches using the merge-patch strategy with the given object as base.
|
|
func MergeFrom(obj runtime.Object) Patch {
|
|
return &mergeFromPatch{obj}
|
|
}
|
|
|
|
// mergePatch uses a raw merge strategy to patch the object.
|
|
type mergePatch struct{}
|
|
|
|
// Type implements Patch.
|
|
func (p mergePatch) Type() types.PatchType {
|
|
return types.MergePatchType
|
|
}
|
|
|
|
// Data implements Patch.
|
|
func (p mergePatch) Data(obj runtime.Object) ([]byte, error) {
|
|
// NB(directxman12): we might technically want to be using an actual encoder
|
|
// here (in case some more performant encoder is introduced) but this is
|
|
// correct and sufficient for our uses (it's what the JSON serializer in
|
|
// client-go does, more-or-less).
|
|
return json.Marshal(obj)
|
|
}
|
|
|
|
// applyPatch uses server-side apply to patch the object.
|
|
type applyPatch struct{}
|
|
|
|
// Type implements Patch.
|
|
func (p applyPatch) Type() types.PatchType {
|
|
return types.ApplyPatchType
|
|
}
|
|
|
|
// Data implements Patch.
|
|
func (p applyPatch) Data(obj runtime.Object) ([]byte, error) {
|
|
// NB(directxman12): we might technically want to be using an actual encoder
|
|
// here (in case some more performant encoder is introduced) but this is
|
|
// correct and sufficient for our uses (it's what the JSON serializer in
|
|
// client-go does, more-or-less).
|
|
return json.Marshal(obj)
|
|
}
|