Files
cloudpods/pkg/compute/models/loadbalancerbackendgroupresource.go

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// 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 models
import (
"context"
"database/sql"
"yunion.io/x/jsonutils"
"yunion.io/x/log"
"yunion.io/x/pkg/errors"
"yunion.io/x/pkg/util/reflectutils"
"yunion.io/x/sqlchemy"
api "yunion.io/x/onecloud/pkg/apis/compute"
"yunion.io/x/onecloud/pkg/cloudcommon/db"
"yunion.io/x/onecloud/pkg/httperrors"
"yunion.io/x/onecloud/pkg/mcclient"
"yunion.io/x/onecloud/pkg/util/stringutils2"
)
type SLoadbalancerBackendgroupResourceBase struct {
// 负载均衡后端组ID
BackendGroupId string `width:"36" charset:"ascii" nullable:"true" list:"user" create:"optional" json:"backend_group_id"`
}
type SLoadbalancerBackendgroupResourceBaseManager struct {
SLoadbalancerResourceBaseManager
}
func ValidateLoadbalancerBackendgroupResourceInput(userCred mcclient.TokenCredential, input api.LoadbalancerBackendGroupResourceInput) (*SLoadbalancerBackendGroup, api.LoadbalancerBackendGroupResourceInput, error) {
lbbgObj, err := LoadbalancerBackendGroupManager.FetchByIdOrName(userCred, input.BackendGroupId)
if err != nil {
if errors.Cause(err) == sql.ErrNoRows {
return nil, input, errors.Wrapf(httperrors.ErrResourceNotFound, "%s %s", LoadbalancerBackendGroupManager.Keyword(), input.BackendGroupId)
} else {
return nil, input, errors.Wrap(err, "LoadbalancerBackendGroupManager.FetchByIdOrName")
}
}
input.BackendGroupId = lbbgObj.GetId()
return lbbgObj.(*SLoadbalancerBackendGroup), input, nil
}
func (self *SLoadbalancerBackendgroupResourceBase) GetLoadbalancerBackendGroup() *SLoadbalancerBackendGroup {
w, _ := LoadbalancerBackendGroupManager.FetchById(self.BackendGroupId)
if w != nil {
return w.(*SLoadbalancerBackendGroup)
}
return nil
}
func (self *SLoadbalancerBackendgroupResourceBase) GetLoadbalancer() *SLoadbalancer {
lbbg := self.GetLoadbalancerBackendGroup()
if lbbg != nil {
return lbbg.GetLoadbalancer()
}
return nil
}
func (self *SLoadbalancerBackendgroupResourceBase) GetVpc() *SVpc {
lb := self.GetLoadbalancer()
if lb != nil {
return lb.GetVpc()
}
return nil
}
func (self *SLoadbalancerBackendgroupResourceBase) GetCloudprovider() *SCloudprovider {
lb := self.GetLoadbalancer()
if lb != nil {
return lb.GetCloudprovider()
}
return nil
}
func (self *SLoadbalancerBackendgroupResourceBase) GetProviderName() string {
lb := self.GetLoadbalancer()
if lb != nil {
return lb.SManagedResourceBase.GetProviderName()
}
return ""
}
func (self *SLoadbalancerBackendgroupResourceBase) GetRegion() *SCloudregion {
vpc := self.GetVpc()
if vpc == nil {
return nil
}
region, _ := vpc.GetRegion()
return region
}
func (self *SLoadbalancerBackendgroupResourceBase) GetZone() *SZone {
lb := self.GetLoadbalancer()
if lb != nil {
return lb.GetZone()
}
return nil
}
func (self *SLoadbalancerBackendgroupResourceBase) GetExtraDetails(
ctx context.Context,
userCred mcclient.TokenCredential,
query jsonutils.JSONObject,
) api.LoadbalancerBackendGroupResourceInfo {
return api.LoadbalancerBackendGroupResourceInfo{}
}
func (manager *SLoadbalancerBackendgroupResourceBaseManager) FetchCustomizeColumns(
ctx context.Context,
userCred mcclient.TokenCredential,
query jsonutils.JSONObject,
objs []interface{},
fields stringutils2.SSortedStrings,
isList bool,
) []api.LoadbalancerBackendGroupResourceInfo {
rows := make([]api.LoadbalancerBackendGroupResourceInfo, len(objs))
lbbgIds := make([]string, len(objs))
for i := range objs {
var base *SLoadbalancerBackendgroupResourceBase
reflectutils.FindAnonymouStructPointer(objs[i], &base)
if base != nil {
lbbgIds[i] = base.BackendGroupId
}
}
lbbgs := make(map[string]SLoadbalancerBackendGroup)
err := db.FetchStandaloneObjectsByIds(LoadbalancerBackendGroupManager, lbbgIds, &lbbgs)
if err != nil {
log.Errorf("FetchStandaloneObjectsByIds fail %s", err)
return rows
}
lbList := make([]interface{}, len(rows))
for i := range rows {
rows[i] = api.LoadbalancerBackendGroupResourceInfo{}
if lbbg, ok := lbbgs[lbbgIds[i]]; ok {
rows[i].BackendGroup = lbbg.Name
rows[i].LoadbalancerId = lbbg.LoadbalancerId
}
lbList[i] = &SLoadbalancerResourceBase{rows[i].LoadbalancerId}
}
lbRows := manager.SLoadbalancerResourceBaseManager.FetchCustomizeColumns(ctx, userCred, query, lbList, fields, isList)
for i := range rows {
rows[i].LoadbalancerResourceInfo = lbRows[i]
}
return rows
}
func (manager *SLoadbalancerBackendgroupResourceBaseManager) ListItemFilter(
ctx context.Context,
q *sqlchemy.SQuery,
userCred mcclient.TokenCredential,
query api.LoadbalancerBackendGroupFilterListInput,
) (*sqlchemy.SQuery, error) {
if len(query.BackendGroupId) > 0 {
lbbgObj, _, err := ValidateLoadbalancerBackendgroupResourceInput(userCred, query.LoadbalancerBackendGroupResourceInput)
if err != nil {
return nil, errors.Wrap(err, "ValidateLoadbalancerBackendgroupResourceInput")
}
q = q.Equals("backend_group_id", lbbgObj.GetId())
}
lbbgQ := LoadbalancerBackendGroupManager.Query("id").Snapshot()
lbbgQ, err := manager.SLoadbalancerResourceBaseManager.ListItemFilter(ctx, lbbgQ, userCred, query.LoadbalancerFilterListInput)
if err != nil {
return nil, errors.Wrap(err, "SLoadbalancerResourceBaseManager.ListItemFilter")
}
if lbbgQ.IsAltered() {
q = q.Filter(sqlchemy.In(q.Field("backend_group_id"), lbbgQ.SubQuery()))
}
return q, nil
}
func (manager *SLoadbalancerBackendgroupResourceBaseManager) QueryDistinctExtraField(q *sqlchemy.SQuery, field string) (*sqlchemy.SQuery, error) {
if field == "backend_group" {
lbbgQuery := LoadbalancerBackendGroupManager.Query("name", "id").Distinct().SubQuery()
q.AppendField(lbbgQuery.Field("name", field))
q = q.Join(lbbgQuery, sqlchemy.Equals(q.Field("backend_group_id"), lbbgQuery.Field("id")))
q.GroupBy(lbbgQuery.Field("name"))
return q, nil
} else {
lbbgs := LoadbalancerBackendGroupManager.Query("id", "loadbalancer_id").SubQuery()
q = q.LeftJoin(lbbgs, sqlchemy.Equals(q.Field("backend_id"), lbbgs.Field("id")))
q, err := manager.SLoadbalancerResourceBaseManager.QueryDistinctExtraField(q, field)
if err == nil {
return q, nil
}
}
return q, httperrors.ErrNotFound
}
func (manager *SLoadbalancerBackendgroupResourceBaseManager) OrderByExtraFields(
ctx context.Context,
q *sqlchemy.SQuery,
userCred mcclient.TokenCredential,
query api.LoadbalancerBackendGroupFilterListInput,
) (*sqlchemy.SQuery, error) {
if !db.NeedOrderQuery(manager.GetOrderByFields(query)) {
return q, nil
}
orderQ := LoadbalancerBackendGroupManager.Query("id")
orderSubQ := orderQ.SubQuery()
orderQ, orders, fields := manager.GetOrderBySubQuery(orderQ, orderSubQ, orderQ.Field("id"), userCred, query, nil, nil)
q = q.LeftJoin(orderSubQ, sqlchemy.Equals(q.Field("backend_group_id"), orderSubQ.Field("id")))
q = db.OrderByFields(q, orders, fields)
return q, nil
}
func (manager *SLoadbalancerBackendgroupResourceBaseManager) GetOrderBySubQuery(
q *sqlchemy.SQuery,
subq *sqlchemy.SSubQuery,
joinField sqlchemy.IQueryField,
userCred mcclient.TokenCredential,
query api.LoadbalancerBackendGroupFilterListInput,
orders []string,
fields []sqlchemy.IQueryField,
) (*sqlchemy.SQuery, []string, []sqlchemy.IQueryField) {
if !db.NeedOrderQuery(manager.GetOrderByFields(query)) {
return q, orders, fields
}
lbbgQ := LoadbalancerBackendGroupManager.Query().SubQuery()
q = q.LeftJoin(lbbgQ, sqlchemy.Equals(joinField, lbbgQ.Field("id")))
q = q.AppendField(lbbgQ.Field("name").Label("backend_group"))
orders = append(orders, query.OrderByBackendGroup)
fields = append(fields, subq.Field("backend_group"))
q, orders, fields = manager.SLoadbalancerResourceBaseManager.GetOrderBySubQuery(q, subq, lbbgQ.Field("loadbalancer_id"), userCred, query.LoadbalancerFilterListInput, orders, fields)
return q, orders, fields
}
func (manager *SLoadbalancerBackendgroupResourceBaseManager) GetOrderByFields(query api.LoadbalancerBackendGroupFilterListInput) []string {
fields := make([]string, 0)
lbFields := manager.SLoadbalancerResourceBaseManager.GetOrderByFields(query.LoadbalancerFilterListInput)
fields = append(fields, lbFields...)
fields = append(fields, query.OrderByBackendGroup)
return fields
}
func (manager *SLoadbalancerBackendgroupResourceBaseManager) ListItemExportKeys(ctx context.Context,
q *sqlchemy.SQuery,
userCred mcclient.TokenCredential,
keys stringutils2.SSortedStrings,
) (*sqlchemy.SQuery, error) {
if keys.ContainsAny(manager.GetExportKeys()...) {
var err error
subq := LoadbalancerBackendGroupManager.Query("id", "name", "loadbalancer_id").SubQuery()
q = q.LeftJoin(subq, sqlchemy.Equals(q.Field("backend_group_id"), subq.Field("id")))
if keys.Contains("backend_group") {
q = q.AppendField(subq.Field("name", "backend_group"))
}
if keys.ContainsAny(manager.SLoadbalancerResourceBaseManager.GetExportKeys()...) {
q, err = manager.SLoadbalancerResourceBaseManager.ListItemExportKeys(ctx, q, userCred, keys)
if err != nil {
return nil, errors.Wrap(err, "SLoadbalancerResourceBaseManager.ListItemExportKeys")
}
}
}
return q, nil
}
func (manager *SLoadbalancerBackendgroupResourceBaseManager) GetExportKeys() []string {
keys := []string{"backend_group"}
keys = append(keys, manager.SLoadbalancerResourceBaseManager.GetExportKeys()...)
return keys
}