mirror of
https://github.com/yunionio/cloudpods.git
synced 2026-09-24 16:03:43 +08:00
117 lines
2.8 KiB
Go
117 lines
2.8 KiB
Go
// Copyright 2019 Yunion
|
|
//
|
|
// 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 informer
|
|
|
|
import (
|
|
"context"
|
|
|
|
"yunion.io/x/jsonutils"
|
|
"yunion.io/x/log"
|
|
"yunion.io/x/pkg/errors"
|
|
)
|
|
|
|
const (
|
|
ErrBackendNotInit = errors.Error("InformerBackend not init")
|
|
)
|
|
|
|
var (
|
|
defaultBackend IInformerBackend
|
|
)
|
|
|
|
type IInformerBackend interface {
|
|
GetType() string
|
|
Create(ctx context.Context, obj *ModelObject) error
|
|
Update(ctx context.Context, obj *ModelObject, oldObj *jsonutils.JSONDict) error
|
|
Delete(ctx context.Context, obj *ModelObject) error
|
|
}
|
|
|
|
func Init(be IInformerBackend) {
|
|
if defaultBackend != nil {
|
|
log.Fatalf("informer backend %q already init", be.GetType())
|
|
}
|
|
defaultBackend = be
|
|
}
|
|
|
|
func Set(be IInformerBackend) {
|
|
defaultBackend = be
|
|
}
|
|
|
|
func GetDefaultBackend() IInformerBackend {
|
|
if defaultBackend == nil {
|
|
log.V(10).Warningf("default informer backend is not init")
|
|
}
|
|
return defaultBackend
|
|
}
|
|
|
|
func IsInit() bool {
|
|
return defaultBackend != nil
|
|
}
|
|
|
|
type ModelObject struct {
|
|
Object *jsonutils.JSONDict
|
|
KeywordPlural string
|
|
Id string
|
|
IsJoint bool
|
|
MasterId string
|
|
SlaveId string
|
|
}
|
|
|
|
func NewModel(obj interface{}, keywordPlural, id string) *ModelObject {
|
|
return &ModelObject{
|
|
Object: jsonutils.Marshal(obj).(*jsonutils.JSONDict),
|
|
KeywordPlural: keywordPlural,
|
|
Id: id,
|
|
}
|
|
}
|
|
|
|
func NewJointModel(obj interface{}, keywordPlural, masterId, slaveId string) *ModelObject {
|
|
model := NewModel(obj, keywordPlural, "")
|
|
model.IsJoint = true
|
|
model.MasterId = masterId
|
|
model.SlaveId = slaveId
|
|
return model
|
|
}
|
|
|
|
func isResourceWatched(keywordPlural string) bool {
|
|
return GetWatchResources().Has(keywordPlural)
|
|
}
|
|
|
|
func Create(ctx context.Context, obj *ModelObject) error {
|
|
if !isResourceWatched(obj.KeywordPlural) {
|
|
return nil
|
|
}
|
|
return run(ctx, func(ctx context.Context, be IInformerBackend) error {
|
|
return be.Create(ctx, obj)
|
|
})
|
|
}
|
|
|
|
func Update(ctx context.Context, obj *ModelObject, oldObj *jsonutils.JSONDict) error {
|
|
if !isResourceWatched(obj.KeywordPlural) {
|
|
return nil
|
|
}
|
|
return run(ctx, func(ctx context.Context, be IInformerBackend) error {
|
|
return be.Update(ctx, obj, oldObj)
|
|
})
|
|
}
|
|
|
|
func Delete(ctx context.Context, obj *ModelObject) error {
|
|
if !isResourceWatched(obj.KeywordPlural) {
|
|
return nil
|
|
}
|
|
return run(ctx, func(ctx context.Context, be IInformerBackend) error {
|
|
return be.Delete(ctx, obj)
|
|
})
|
|
}
|