/
loadbalancernetworks.go
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/
loadbalancernetworks.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"
"fmt"
"yunion.io/x/jsonutils"
"yunion.io/x/log"
"yunion.io/x/pkg/errors"
"yunion.io/x/pkg/util/netutils"
"yunion.io/x/pkg/util/regutils"
"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/httperrors"
"yunion.io/x/onecloud/pkg/mcclient"
"yunion.io/x/onecloud/pkg/util/rbacutils"
"yunion.io/x/onecloud/pkg/util/stringutils2"
)
type SLoadbalancernetworkManager struct {
db.SVirtualJointResourceBaseManager
SLoadbalancerResourceBaseManager
SNetworkResourceBaseManager
}
var LoadbalancernetworkManager *SLoadbalancernetworkManager
func init() {
db.InitManager(func() {
LoadbalancernetworkManager = &SLoadbalancernetworkManager{
SVirtualJointResourceBaseManager: db.NewVirtualJointResourceBaseManager(
SLoadbalancerNetwork{},
"loadbalancernetworks_tbl",
"loadbalancernetwork",
"loadbalancernetworks",
LoadbalancerManager,
NetworkManager,
),
}
LoadbalancernetworkManager.SetVirtualObject(LoadbalancernetworkManager)
})
}
type SLoadbalancerNetwork struct {
db.SVirtualJointResourceBase
LoadbalancerId string `width:"36" charset:"ascii" nullable:"false" list:"user"`
NetworkId string `width:"36" charset:"ascii" nullable:"false" list:"user"`
IpAddr string `width:"16" charset:"ascii" list:"user"`
MacAddr string `width:"32" charset:"ascii" nullable:"true" list:"user"`
}
func (manager *SLoadbalancernetworkManager) GetMasterFieldName() string {
return "loadbalancer_id"
}
func (manager *SLoadbalancernetworkManager) GetSlaveFieldName() string {
return "network_id"
}
func (ln *SLoadbalancerNetwork) Network() *SNetwork {
network, _ := ln.GetModelManager().FetchById(ln.NetworkId)
if network != nil {
return network.(*SNetwork)
}
return nil
}
type SLoadbalancerNetworkRequestData struct {
Loadbalancer *SLoadbalancer
NetworkId string
reserved bool // allocate from reserved
Address string // the address user intends to use
strategy api.IPAllocationDirection // allocate bottom up, top down, randomly
}
type SLoadbalancerNetworkDeleteData struct {
loadbalancer *SLoadbalancer
reserve bool // reserve after delete
}
func (m *SLoadbalancernetworkManager) NewLoadbalancerNetwork(ctx context.Context, userCred mcclient.TokenCredential, req *SLoadbalancerNetworkRequestData) (*SLoadbalancerNetwork, error) {
networkMan := db.GetModelManager("network").(*SNetworkManager)
if networkMan == nil {
return nil, errors.Error("failed getting network manager")
}
im, err := networkMan.FetchById(req.NetworkId)
if err != nil {
return nil, errors.Wrapf(err, "fetch network %q", req.NetworkId)
}
network := im.(*SNetwork)
ln := &SLoadbalancerNetwork{
LoadbalancerId: req.Loadbalancer.Id,
NetworkId: network.Id,
}
ln.SetModelManager(m, ln)
lockman.LockObject(ctx, network)
defer lockman.ReleaseObject(ctx, network)
if req.Loadbalancer.NetworkType == api.LB_NETWORK_TYPE_VPC {
macAddr, err := GuestnetworkManager.GenerateMac("")
if err != nil {
return nil, errors.Wrapf(err, "generate macaddr")
}
ln.MacAddr = macAddr
}
usedMap := network.GetUsedAddresses()
var recentReclaimed map[string]bool
ipAddr, err := network.GetFreeIP(ctx, userCred,
usedMap, recentReclaimed, req.Address, req.strategy, req.reserved)
if err != nil {
return nil, errors.Wrap(err, "find a free ip")
}
ln.IpAddr = ipAddr
err = m.TableSpec().Insert(ctx, ln)
if err != nil {
// NOTE no need to free ipAddr as GetFreeIP has no side effect
return nil, err
}
return ln, nil
}
func (m *SLoadbalancernetworkManager) DeleteLoadbalancerNetwork(ctx context.Context, userCred mcclient.TokenCredential, req *SLoadbalancerNetworkDeleteData) error {
q := m.Query().Equals("loadbalancer_id", req.loadbalancer.Id)
lns := []SLoadbalancerNetwork{}
err := db.FetchModelObjects(m, q, &lns)
if err != nil {
return err
}
// TODO pack up errors and continue, then return as a whole
for _, ln := range lns {
err := ln.Delete(ctx, userCred)
if err != nil {
return err
}
if req.reserve && len(ln.IpAddr) > 0 && regutils.MatchIP4Addr(ln.IpAddr) {
note := fmt.Sprintf("reserved from loadbalancer delete: %s",
req.loadbalancer.Id)
reservedIpMan := db.GetModelManager("reservedip").(*SReservedipManager)
network := ln.Network()
err := reservedIpMan.ReserveIP(userCred, network, ln.IpAddr, note)
if err != nil {
return err
}
}
}
return nil
}
func (m *SLoadbalancernetworkManager) syncLoadbalancerNetwork(ctx context.Context, userCred mcclient.TokenCredential, req *SLoadbalancerNetworkRequestData) error {
_network, err := db.FetchById(NetworkManager, req.NetworkId)
if err != nil {
return err
}
network := _network.(*SNetwork)
if len(req.Address) > 0 {
ip, err := netutils.NewIPV4Addr(req.Address)
if err != nil {
return err
}
if !network.IsAddressInRange(ip) {
return fmt.Errorf("address %s is not in the range of network %s(%s)", req.Address, network.Id, network.Name)
}
}
q := m.Query().Equals("loadbalancer_id", req.Loadbalancer.Id).Equals("network_id", req.NetworkId)
lns := []SLoadbalancerNetwork{}
if err := db.FetchModelObjects(m, q, &lns); err != nil {
return err
}
if len(lns) == 0 {
ln := &SLoadbalancerNetwork{LoadbalancerId: req.Loadbalancer.Id, NetworkId: req.NetworkId, IpAddr: req.Address}
return m.TableSpec().Insert(ctx, ln)
}
for i := 0; i < len(lns); i++ {
if i == 0 {
if lns[i].IpAddr != req.Address {
_, err := db.Update(&lns[i], func() error {
lns[i].IpAddr = req.Address
return nil
})
if err != nil {
log.Errorf("update loadbalancer network ipaddr %s error: %v", lns[i].LoadbalancerId, err)
}
}
} else {
lns[i].Delete(ctx, userCred)
}
}
return nil
}
func (ln *SLoadbalancerNetwork) Delete(ctx context.Context, userCred mcclient.TokenCredential) error {
return db.DeleteModel(ctx, userCred, ln)
}
// Detach implements db.IJointModel interface
func (ln *SLoadbalancerNetwork) Detach(ctx context.Context, userCred mcclient.TokenCredential) error {
return db.DetachJoint(ctx, userCred, ln)
}
func (manager *SLoadbalancernetworkManager) FetchCustomizeColumns(
ctx context.Context,
userCred mcclient.TokenCredential,
query jsonutils.JSONObject,
objs []interface{},
fields stringutils2.SSortedStrings,
isList bool,
) []api.LoadbalancernetworkDetails {
rows := make([]api.LoadbalancernetworkDetails, len(objs))
jointRows := manager.SVirtualJointResourceBaseManager.FetchCustomizeColumns(ctx, userCred, query, objs, fields, isList)
lbIds := make([]string, len(rows))
netIds := make([]string, len(rows))
for i := range rows {
rows[i] = api.LoadbalancernetworkDetails{
VirtualJointResourceBaseDetails: jointRows[i],
}
lbIds[i] = objs[i].(*SLoadbalancerNetwork).LoadbalancerId
netIds[i] = objs[i].(*SLoadbalancerNetwork).NetworkId
}
lbIdMaps, err := db.FetchIdNameMap2(LoadbalancerManager, lbIds)
if err != nil {
log.Errorf("db.FetchIdNameMap2 for lbIds fail %s", err)
return rows
}
netIdMaps, err := db.FetchIdNameMap2(NetworkManager, netIds)
if err != nil {
log.Errorf("db.FetchIdNameMap2 for netIds fail %s", err)
return rows
}
for i := range rows {
if name, ok := lbIdMaps[lbIds[i]]; ok {
rows[i].Loadbalancer = name
}
if name, ok := netIdMaps[netIds[i]]; ok {
rows[i].Network = name
}
}
return rows
}
func totalLBNicCount(
scope rbacutils.TRbacScope,
ownerId mcclient.IIdentityProvider,
rangeObjs []db.IStandaloneModel,
providers []string,
brands []string,
cloudEnv string,
) (int, error) {
lbs := LoadbalancerManager.Query().SubQuery()
lbnics := LoadbalancernetworkManager.Query().SubQuery()
q := lbnics.Query()
q = q.Join(lbs, sqlchemy.Equals(lbs.Field("id"), lbnics.Field("loadbalancer_id")))
switch scope {
case rbacutils.ScopeSystem:
// do nothing
case rbacutils.ScopeDomain:
q = q.Filter(sqlchemy.Equals(lbs.Field("domain_id"), ownerId.GetProjectDomainId()))
case rbacutils.ScopeProject:
q = q.Filter(sqlchemy.Equals(lbs.Field("tenant_id"), ownerId.GetProjectId()))
}
q = RangeObjectsFilter(q, rangeObjs, nil, lbs.Field("zone_id"), lbs.Field("manager_id"), nil, nil)
q = CloudProviderFilter(q, lbs.Field("manager_id"), providers, brands, cloudEnv)
return q.CountWithError()
}
func (manager *SLoadbalancernetworkManager) ListItemFilter(
ctx context.Context,
q *sqlchemy.SQuery,
userCred mcclient.TokenCredential,
query api.LoadbalancernetworkListInput,
) (*sqlchemy.SQuery, error) {
var err error
q, err = manager.SVirtualJointResourceBaseManager.ListItemFilter(ctx, q, userCred, query.VirtualJointResourceBaseListInput)
if err != nil {
return nil, errors.Wrap(err, "SVirtualJointResourceBaseManager.ListItemFilter")
}
q, err = manager.SLoadbalancerResourceBaseManager.ListItemFilter(ctx, q, userCred, query.LoadbalancerFilterListInput)
if err != nil {
return nil, errors.Wrap(err, "SLoadbalancerResourceBaseManager.ListItemFilter")
}
q, err = manager.SNetworkResourceBaseManager.ListItemFilter(ctx, q, userCred, query.NetworkFilterListInput)
if err != nil {
return nil, errors.Wrap(err, "SNetworkResourceBaseManager.ListItemFilter")
}
if len(query.IpAddr) > 0 {
q = q.In("ip_addr", query.IpAddr)
}
return q, nil
}
func (manager *SLoadbalancernetworkManager) OrderByExtraFields(
ctx context.Context,
q *sqlchemy.SQuery,
userCred mcclient.TokenCredential,
query api.LoadbalancernetworkListInput,
) (*sqlchemy.SQuery, error) {
var err error
q, err = manager.SVirtualJointResourceBaseManager.OrderByExtraFields(ctx, q, userCred, query.VirtualJointResourceBaseListInput)
if err != nil {
return nil, errors.Wrap(err, "SVirtualJointResourceBaseManager.OrderByExtraFields")
}
q, err = manager.SLoadbalancerResourceBaseManager.OrderByExtraFields(ctx, q, userCred, query.LoadbalancerFilterListInput)
if err != nil {
return nil, errors.Wrap(err, "SLoadbalancerResourceBaseManager.OrderByExtraFields")
}
q, err = manager.SNetworkResourceBaseManager.OrderByExtraFields(ctx, q, userCred, query.NetworkFilterListInput)
if err != nil {
return nil, errors.Wrap(err, "SNetworkResourceBaseManager.OrderByExtraFields")
}
return q, nil
}
func (manager *SLoadbalancernetworkManager) QueryDistinctExtraField(q *sqlchemy.SQuery, field string) (*sqlchemy.SQuery, error) {
var err error
q, err = manager.SVirtualJointResourceBaseManager.QueryDistinctExtraField(q, field)
if err == nil {
return q, nil
}
q, err = manager.SLoadbalancerResourceBaseManager.QueryDistinctExtraField(q, field)
if err == nil {
return q, nil
}
q, err = manager.SNetworkResourceBaseManager.QueryDistinctExtraField(q, field)
if err == nil {
return q, nil
}
return q, httperrors.ErrNotFound
}
func (manager *SLoadbalancernetworkManager) ListItemExportKeys(ctx context.Context,
q *sqlchemy.SQuery,
userCred mcclient.TokenCredential,
keys stringutils2.SSortedStrings,
) (*sqlchemy.SQuery, error) {
var err error
q, err = manager.SVirtualJointResourceBaseManager.ListItemExportKeys(ctx, q, userCred, keys)
if err != nil {
return nil, errors.Wrap(err, "SVirtualJointResourceBaseManager.ListItemExportKeys")
}
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")
}
}
if keys.ContainsAny(manager.SNetworkResourceBaseManager.GetExportKeys()...) {
q, err = manager.SNetworkResourceBaseManager.ListItemExportKeys(ctx, q, userCred, keys)
if err != nil {
return nil, errors.Wrap(err, "SNetworkResourceBaseManager.ListItemExportKeys")
}
}
return q, nil
}
func (manager *SLoadbalancernetworkManager) FetchFirstByLbId(
ctx context.Context,
lbId string,
) (*SLoadbalancerNetwork, error) {
ln := &SLoadbalancerNetwork{}
q := manager.Query().Equals("loadbalancer_id", lbId)
if err := q.First(ln); err != nil {
return nil, errors.Wrapf(err, "fetch loadbalancer network for loadbalancer %q", lbId)
}
return ln, nil
}