Files
cloudpods/pkg/compute/models/loadbalancerawscachedlbbg.go
2021-04-23 18:55:02 +08:00

479 lines
15 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 models
import (
"context"
"database/sql"
"fmt"
"strconv"
"strings"
"yunion.io/x/log"
"yunion.io/x/pkg/errors"
"yunion.io/x/pkg/util/compare"
"yunion.io/x/pkg/utils"
"yunion.io/x/sqlchemy"
api "yunion.io/x/onecloud/pkg/apis/compute"
"yunion.io/x/onecloud/pkg/cloudcommon/db"
"yunion.io/x/onecloud/pkg/cloudcommon/db/lockman"
"yunion.io/x/onecloud/pkg/cloudprovider"
"yunion.io/x/onecloud/pkg/mcclient"
)
// +onecloud:swagger-gen-ignore
type SAwsCachedLbbgManager struct {
SLoadbalancerLogSkipper
db.SVirtualResourceBaseManager
}
var AwsCachedLbbgManager *SAwsCachedLbbgManager
func init() {
AwsCachedLbbgManager = &SAwsCachedLbbgManager{
SVirtualResourceBaseManager: db.NewVirtualResourceBaseManager(
SAwsCachedLbbg{},
"awscachedlbbgs_tbl",
"awscachedlbbg",
"awscachedlbbgs",
),
}
AwsCachedLbbgManager.SetVirtualObject(AwsCachedLbbgManager)
}
type SAwsCachedLbbg struct {
db.SVirtualResourceBase
db.SExternalizedResourceBase
SManagedResourceBase
SCloudregionResourceBase
LoadbalancerId string `width:"36" charset:"ascii" nullable:"true" list:"user" create:"optional"`
BackendGroupId string `width:"36" charset:"ascii" nullable:"true" list:"user" create:"optional"`
TargetType string `width:"16" charset:"ascii" nullable:"false" list:"user" create:"required"` // 后端服务器类型
ProtocolType string `width:"16" charset:"ascii" nullable:"false" list:"user" create:"required"` // 监听协议类型
Port int `nullable:"false" list:"user" create:"required"` // 监听端口
HealthCheckProtocol string `width:"16" charset:"ascii" nullable:"false" list:"user" create:"required"` // 健康检查协议类型
HealthCheckInterval int `nullable:"false" list:"user" create:"required"` // 健康检查时间间隔
}
func (lbbg *SAwsCachedLbbg) GetLocalBackendGroup(ctx context.Context, userCred mcclient.TokenCredential) (*SLoadbalancerBackendGroup, error) {
if len(lbbg.BackendGroupId) == 0 {
return nil, fmt.Errorf("GetLocalBackendGroup no related local backendgroup")
}
locallbbg, err := db.FetchById(LoadbalancerBackendGroupManager, lbbg.BackendGroupId)
if err != nil {
return nil, err
}
return locallbbg.(*SLoadbalancerBackendGroup), err
}
func (lbbg *SAwsCachedLbbg) GetLoadbalancer() *SLoadbalancer {
lb, err := LoadbalancerManager.FetchById(lbbg.LoadbalancerId)
if err != nil {
log.Errorf("failed to find loadbalancer for backendgroup %s", lbbg.Name)
return nil
}
return lb.(*SLoadbalancer)
}
func (lbbg *SAwsCachedLbbg) GetCachedBackends() ([]SAwsCachedLb, error) {
ret := []SAwsCachedLb{}
err := AwsCachedLbbgManager.Query().Equals("cached_backend_group_id", lbbg.GetId()).IsFalse("pending_deleted").All(&ret)
if err != nil {
log.Errorf("failed to get cached backends for backendgroup %s", lbbg.Name)
return nil, err
}
return ret, nil
}
func (lbbg *SAwsCachedLbbg) GetICloudLoadbalancerBackendGroup() (cloudprovider.ICloudLoadbalancerBackendGroup, error) {
if len(lbbg.ExternalId) == 0 {
return nil, fmt.Errorf("backendgroup %s has no external id", lbbg.GetId())
}
lb := lbbg.GetLoadbalancer()
if lb == nil {
return nil, fmt.Errorf("backendgroup %s releated loadbalancer not found", lbbg.GetId())
}
iregion, err := lb.GetIRegion()
if err != nil {
return nil, err
}
ilb, err := iregion.GetILoadBalancerById(lb.GetExternalId())
if err != nil {
return nil, err
}
ilbbg, err := ilb.GetILoadBalancerBackendGroupById(lbbg.ExternalId)
if err != nil {
return nil, err
}
return ilbbg, nil
}
func (man *SAwsCachedLbbgManager) GetUsableCachedBackendGroups(loadbalancerId, backendGroupId, protocolType, healthCheckProtocol string, healthCheckInterval int) ([]SAwsCachedLbbg, error) {
ret := []SAwsCachedLbbg{}
q := man.Query().Equals("protocol_type", protocolType).IsNotEmpty("external_id").Equals("health_check_protocol", healthCheckProtocol)
q = q.Filter(sqlchemy.OR(sqlchemy.Equals(q.Field("loadbalancer_id"), loadbalancerId), sqlchemy.IsNullOrEmpty(q.Field("loadbalancer_id"))))
if !utils.IsInStringArray(protocolType, []string{api.LB_LISTENER_TYPE_HTTP, api.LB_LISTENER_TYPE_HTTPS}) {
// healthCheckInterval 10/30
q = q.Equals("health_check_interval", healthCheckInterval)
}
q = q.Filter(sqlchemy.OR(sqlchemy.Equals(q.Field("backend_group_id"), backendGroupId), sqlchemy.IsNullOrEmpty(q.Field("backend_group_id"))))
q = q.IsFalse("pending_deleted")
err := q.All(&ret)
if err != nil {
return ret, err
}
return ret, nil
}
func (man *SAwsCachedLbbgManager) GetUsableCachedBackendGroup(loadbalancerId, backendGroupId, protocolType, healthCheckProtocol string, healthCheckInterval int) (*SAwsCachedLbbg, error) {
ret, err := man.GetUsableCachedBackendGroups(loadbalancerId, backendGroupId, protocolType, healthCheckProtocol, healthCheckInterval)
if err != nil {
return nil, err
}
if len(ret) > 0 {
cachedLbbg := &ret[0]
cachedLbbg.SetModelManager(AwsCachedLbbgManager, cachedLbbg)
if cachedLbbg.LoadbalancerId == "" {
_, err := db.Update(cachedLbbg, func() error {
cachedLbbg.LoadbalancerId = loadbalancerId
return nil
})
if err != nil {
return nil, err
}
}
return cachedLbbg, nil
}
return nil, nil
}
func (man *SAwsCachedLbbgManager) GetCachedBackendGroups(backendGroupId string) ([]SAwsCachedLbbg, error) {
ret := []SAwsCachedLbbg{}
q := man.Query().IsFalse("pending_deleted").Equals("backend_group_id", backendGroupId)
err := db.FetchModelObjects(man, q, &ret)
if err != nil {
return nil, err
}
return ret, nil
}
func (man *SAwsCachedLbbgManager) getLoadbalancerBackendgroupsByRegion(managerId string, regionId string) ([]SAwsCachedLbbg, error) {
lbbgs := []SAwsCachedLbbg{}
q := man.Query().Equals("cloudregion_id", regionId).Equals("manager_id", managerId).IsFalse("pending_deleted")
if err := db.FetchModelObjects(man, q, &lbbgs); err != nil {
log.Errorf("failed to get lbbgs for region: %s error: %v", regionId, err)
return nil, err
}
return lbbgs, nil
}
func (man *SAwsCachedLbbgManager) SyncLoadbalancerBackendgroups(ctx context.Context, userCred mcclient.TokenCredential, provider *SCloudprovider, region *SCloudregion, lbbgs []cloudprovider.ICloudLoadbalancerBackendGroup, syncRange *SSyncRange) ([]SAwsCachedLbbg, []cloudprovider.ICloudLoadbalancerBackendGroup, compare.SyncResult) {
syncOwnerId := provider.GetOwnerId()
lockman.LockRawObject(ctx, "backendgroups", fmt.Sprintf("%s-%s", provider.Id, region.Id))
defer lockman.ReleaseRawObject(ctx, "backendgroups", fmt.Sprintf("%s-%s", provider.Id, region.Id))
localLbgs := []SAwsCachedLbbg{}
remoteLbbgs := []cloudprovider.ICloudLoadbalancerBackendGroup{}
syncResult := compare.SyncResult{}
dbLbbgs, err := man.getLoadbalancerBackendgroupsByRegion(provider.GetId(), region.GetId())
if err != nil {
syncResult.Error(err)
return nil, nil, syncResult
}
removed := []SAwsCachedLbbg{}
commondb := []SAwsCachedLbbg{}
commonext := []cloudprovider.ICloudLoadbalancerBackendGroup{}
added := []cloudprovider.ICloudLoadbalancerBackendGroup{}
err = compare.CompareSets(dbLbbgs, lbbgs, &removed, &commondb, &commonext, &added)
if err != nil {
syncResult.Error(err)
return nil, nil, syncResult
}
for i := 0; i < len(removed); i++ {
err = removed[i].syncRemoveCloudLoadbalancerBackendgroup(ctx, userCred)
if err != nil {
syncResult.DeleteError(err)
} else {
syncResult.Delete()
}
}
for i := 0; i < len(commondb); i++ {
var elb *SLoadbalancer
elbId := commonext[i].GetLoadbalancerId()
if len(elbId) > 0 {
ielb, err := db.FetchByExternalIdAndManagerId(LoadbalancerManager, elbId, func(q *sqlchemy.SQuery) *sqlchemy.SQuery {
return q.Equals("manager_id", provider.Id)
})
if err == nil {
elb = ielb.(*SLoadbalancer)
}
}
if elb == nil {
log.Debugf("Aws.SyncLoadbalancerBackendgroups skiped external backendgroup %s", elbId)
continue
}
err = commondb[i].SyncWithCloudLoadbalancerBackendgroup(ctx, userCred, elb, commonext[i], provider.GetOwnerId(), provider)
if err != nil {
syncResult.UpdateError(err)
} else {
localLbgs = append(localLbgs, commondb[i])
remoteLbbgs = append(remoteLbbgs, commonext[i])
syncResult.Update()
}
}
for i := 0; i < len(added); i++ {
var elb *SLoadbalancer
elbId := added[i].GetLoadbalancerId()
if len(elbId) > 0 {
elb, err = LoadbalancerManager.FetchByExternalId(provider.GetId(), elbId)
if err != nil {
log.Debugf("awsCachedLbbgManager.SyncLoadbalancerBackendgroups %s", err)
syncResult.AddError(err)
continue
}
}
if elb == nil {
log.Debugf("Aws.SyncLoadbalancerBackendgroups skiped external backendgroup %s", elbId)
continue
}
new, err := man.newFromCloudLoadbalancerBackendgroup(ctx, userCred, elb, added[i], syncOwnerId, provider)
if err != nil {
syncResult.AddError(err)
} else {
localLbgs = append(localLbgs, *new)
remoteLbbgs = append(remoteLbbgs, added[i])
syncResult.Add()
}
}
return localLbgs, remoteLbbgs, syncResult
}
func (lbbg *SAwsCachedLbbg) syncRemoveCloudLoadbalancerBackendgroup(ctx context.Context, userCred mcclient.TokenCredential) error {
lockman.LockObject(ctx, lbbg)
defer lockman.ReleaseObject(ctx, lbbg)
err := lbbg.ValidateDeleteCondition(ctx)
if err != nil { // cannot delete
err = lbbg.SetStatus(userCred, api.LB_STATUS_UNKNOWN, "sync to delete")
} else {
lbbg.SetModelManager(AwsCachedLbbgManager, lbbg)
err := db.DeleteModel(ctx, userCred, lbbg)
if err != nil {
return err
}
}
return err
}
func (lbbg *SAwsCachedLbbg) isBackendsMatch(backends []SLoadbalancerBackend, ibackends []cloudprovider.ICloudLoadbalancerBackend) bool {
if len(ibackends) != len(backends) {
return false
}
locals := []string{}
remotes := []string{}
for i := range backends {
guest := backends[i].GetGuest()
seg := strings.Join([]string{guest.ExternalId, strconv.Itoa(backends[i].Port)}, "/")
locals = append(locals, seg)
}
for i := range ibackends {
ibackend := ibackends[i]
seg := strings.Join([]string{ibackend.GetBackendId(), strconv.Itoa(ibackend.GetPort())}, "/")
remotes = append(remotes, seg)
}
for i := range remotes {
if !utils.IsInStringArray(remotes[i], locals) {
return false
}
}
return true
}
func (lbbg *SAwsCachedLbbg) SyncWithCloudLoadbalancerBackendgroup(ctx context.Context, userCred mcclient.TokenCredential, lb *SLoadbalancer, extLoadbalancerBackendgroup cloudprovider.ICloudLoadbalancerBackendGroup, syncOwnerId mcclient.IIdentityProvider, provider *SCloudprovider) error {
lbbg.SetModelManager(AwsCachedLbbgManager, lbbg)
ibackends, err := extLoadbalancerBackendgroup.GetILoadbalancerBackends()
if err != nil {
return errors.Wrap(err, "AwsCachedLbbg.SyncWithCloudLoadbalancerBackendgroup.GetILoadbalancerBackends")
}
localLbbg, err := lbbg.GetLocalBackendGroup(ctx, userCred)
if err != nil {
return errors.Wrap(err, "AwsCachedLbbg.SyncWithCloudLoadbalancerBackendgroup.GetLocalBackendGroup")
}
backends, err := localLbbg.GetBackends()
if err != nil {
return errors.Wrap(err, "AwsCachedLbbg.SyncWithCloudLoadbalancerBackendgroup.GetBackends")
}
var newLocalLbbg *SLoadbalancerBackendGroup
if !lbbg.isBackendsMatch(backends, ibackends) {
newLocalLbbg, err = newLocalBackendgroupFromCloudLoadbalancerBackendgroup(ctx, userCred, lb, extLoadbalancerBackendgroup, syncOwnerId, provider)
if err != nil {
return errors.Wrap(err, "HuaweiCachedLbbg.SyncWithCloudLoadbalancerBackendgroup.newLocalBackendgroupFromCloudLoadbalancerBackendgroup")
}
}
diff, err := db.UpdateWithLock(ctx, lbbg, func() error {
lbbg.Status = extLoadbalancerBackendgroup.GetStatus()
metadata := extLoadbalancerBackendgroup.GetSysTags()
if port, ok := metadata["port"]; ok {
portNum, err := strconv.Atoi(port)
if err == nil {
lbbg.Port = portNum
}
}
if protocol, ok := metadata["health_check_protocol"]; ok {
lbbg.HealthCheckProtocol = protocol
}
if interval, ok := metadata["health_check_interval"]; ok {
intervalNum, err := strconv.Atoi(interval)
if err == nil {
lbbg.HealthCheckInterval = intervalNum
}
}
if newLocalLbbg != nil {
lbbg.BackendGroupId = newLocalLbbg.GetId()
}
return nil
})
if err != nil {
return err
}
db.OpsLog.LogSyncUpdate(lbbg, diff, userCred)
SyncCloudProject(userCred, lbbg, syncOwnerId, extLoadbalancerBackendgroup, provider.Id)
return err
}
func (man *SAwsCachedLbbgManager) newFromCloudLoadbalancerBackendgroup(ctx context.Context, userCred mcclient.TokenCredential, lb *SLoadbalancer, extLoadbalancerBackendgroup cloudprovider.ICloudLoadbalancerBackendGroup, syncOwnerId mcclient.IIdentityProvider, provider *SCloudprovider) (*SAwsCachedLbbg, error) {
LocalLbbg, err := newLocalBackendgroupFromCloudLoadbalancerBackendgroup(ctx, userCred, lb, extLoadbalancerBackendgroup, syncOwnerId, provider)
if err != nil {
return nil, err
}
lbbg := &SAwsCachedLbbg{}
lbbg.SetModelManager(man, lbbg)
lbbg.ManagerId = lb.ManagerId
lbbg.CloudregionId = lb.CloudregionId
lbbg.LoadbalancerId = lb.Id
lbbg.BackendGroupId = LocalLbbg.GetId()
lbbg.ExternalId = extLoadbalancerBackendgroup.GetGlobalId()
lbbg.ProtocolType = extLoadbalancerBackendgroup.GetProtocolType()
metadata := extLoadbalancerBackendgroup.GetSysTags()
if t, ok := metadata["target_type"]; ok {
lbbg.TargetType = t
}
if p, ok := metadata["port"]; ok {
portNum, err := strconv.Atoi(p)
if err == nil {
lbbg.Port = portNum
}
}
if protocol, ok := metadata["health_check_protocol"]; ok {
lbbg.HealthCheckProtocol = protocol
}
if interval, ok := metadata["health_check_interval"]; ok {
intervalNum, err := strconv.Atoi(interval)
if err == nil {
lbbg.HealthCheckInterval = intervalNum
}
}
lbbg.Status = extLoadbalancerBackendgroup.GetStatus()
err = func() error {
lockman.LockRawObject(ctx, man.Keyword(), "name")
defer lockman.ReleaseRawObject(ctx, man.Keyword(), "name")
lbbg.Name, err = db.GenerateName(ctx, man, syncOwnerId, LocalLbbg.GetName())
if err != nil {
return err
}
return man.TableSpec().Insert(ctx, lbbg)
}()
if err != nil {
return nil, errors.Wrapf(err, "Insert")
}
SyncCloudProject(userCred, lbbg, syncOwnerId, extLoadbalancerBackendgroup, provider.Id)
db.OpsLog.LogEvent(lbbg, db.ACT_CREATE, lbbg.GetShortDesc(ctx), userCred)
return lbbg, nil
}
func (man *SAwsCachedLbbgManager) InitializeData() error {
ret := []db.SMetadata{}
q := db.Metadata.Query().Equals("obj_type", man.Keyword())
err := db.FetchModelObjects(db.Metadata, q, &ret)
if err != nil {
if errors.Cause(err) != sql.ErrNoRows {
log.Debugf("SAwsCachedLbbgManager.InitializeData %s", err)
}
return nil
}
for i := range ret {
item := ret[i]
_, err := db.Update(&item, func() error {
return item.MarkDelete()
})
if err != nil {
log.Debugf("SAwsCachedLbbgManager.MarkDelete %s", err)
return nil
}
}
log.Debugf("SAwsCachedLbbgManager cleaned %d dirty data.", len(ret))
return nil
}