Files
cloudpods/pkg/cloudcommon/db/quotas/context.go

89 lines
2.3 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 quotas
import (
"container/list"
"context"
"yunion.io/x/jsonutils"
"yunion.io/x/pkg/errors"
"yunion.io/x/onecloud/pkg/appctx"
"yunion.io/x/onecloud/pkg/mcclient"
)
const (
APP_CONTEXT_KEY_PENDINGUSAGES = appctx.AppContextKey("pendingusages")
)
func initPendingUsagesInContext(ctx context.Context) context.Context {
return context.WithValue(ctx, APP_CONTEXT_KEY_PENDINGUSAGES, list.New())
}
func appContextPendingUsages(ctx context.Context) []IQuota {
val := ctx.Value(APP_CONTEXT_KEY_PENDINGUSAGES)
if val != nil {
quotaList := val.(*list.List)
ret := make([]IQuota, 0)
for e := quotaList.Front(); e != nil; e = e.Next() {
ret = append(ret, e.Value.(IQuota))
}
return ret
} else {
return nil
}
}
func clearPendingUsagesInContext(ctx context.Context) {
val := ctx.Value(APP_CONTEXT_KEY_PENDINGUSAGES)
if val != nil {
quotaList := val.(*list.List)
for quotaList.Len() > 0 {
quotaList.Remove(quotaList.Front())
}
}
}
func savePendingUsagesInContext(ctx context.Context, quotas ...IQuota) {
val := ctx.Value(APP_CONTEXT_KEY_PENDINGUSAGES)
if val != nil {
quotaList := val.(*list.List)
for i := range quotas {
quotaList.PushBack(quotas[i])
}
}
}
func cancelPendingUsagesInContext(ctx context.Context, userCred mcclient.TokenCredential) error {
quotas := appContextPendingUsages(ctx)
if quotas == nil {
return nil
}
errs := make([]error, 0)
for i := range quotas {
// cancel and do not save pending usage
err := CancelPendingUsage(ctx, userCred, quotas[i], quotas[i], false)
if err != nil {
errs = append(errs, errors.Wrapf(err, "CancelPendingUsage %s", jsonutils.Marshal(quotas[i])))
}
}
if len(errs) > 0 {
return errors.NewAggregate(errs)
}
clearPendingUsagesInContext(ctx)
return nil
}