Files
cloudpods/pkg/compute/models/net_tap_flows.go
2023-08-04 23:40:54 +08:00

512 lines
16 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"
"strings"
"yunion.io/x/jsonutils"
"yunion.io/x/log"
"yunion.io/x/pkg/errors"
"yunion.io/x/pkg/tristate"
"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/httperrors"
"yunion.io/x/onecloud/pkg/mcclient"
"yunion.io/x/onecloud/pkg/util/stringutils2"
)
type SNetTapFlowManager struct {
db.SEnabledStatusStandaloneResourceBaseManager
}
var NetTapFlowManager *SNetTapFlowManager
func init() {
NetTapFlowManager = &SNetTapFlowManager{
SEnabledStatusStandaloneResourceBaseManager: db.NewEnabledStatusStandaloneResourceBaseManager(
SNetTapFlow{},
"net_tap_flows_tbl",
"tap_flow",
"tap_flows",
),
}
NetTapFlowManager.SetVirtualObject(NetTapFlowManager)
}
type SNetTapFlow struct {
db.SEnabledStatusStandaloneResourceBase
TapId string `width:"36" charset:"ascii" nullable:"false" list:"admin" create:"admin_required"`
Type string `width:"10" charset:"ascii" list:"admin" create:"admin_required"`
SourceId string `width:"36" charset:"ascii" nullable:"false" list:"admin" create:"admin_required"`
NetId string `width:"36" charset:"ascii" nullable:"false" list:"admin" create:"admin_required"`
MacAddr string `width:"18" charset:"ascii" list:"admin" create:"admin_optional"`
VlanId int `nullable:"true" list:"admin" create:"admin_optional"`
Direction string `width:"6" charset:"ascii" list:"admin" create:"admin_required" default:"BOTH"`
FlowId uint16 `nullable:"false" list:"admin"`
}
func (man *SNetTapFlowManager) ListItemFilter(
ctx context.Context,
q *sqlchemy.SQuery,
userCred mcclient.TokenCredential,
query api.NetTapFlowListInput,
) (*sqlchemy.SQuery, error) {
q, err := man.SEnabledStatusStandaloneResourceBaseManager.ListItemFilter(ctx, q, userCred, query.EnabledStatusStandaloneResourceListInput)
if err != nil {
return nil, errors.Wrap(err, "SEnabledStatusInfrasResourceBaseManager.ListItemFilter")
}
if len(query.TapId) > 0 {
tapObj, err := NetTapServiceManager.FetchByIdOrName(userCred, query.TapId)
if err != nil {
if errors.Cause(err) == sql.ErrNoRows {
return nil, errors.Wrapf(httperrors.ErrResourceNotFound, "%s %s not found", NetTapServiceManager.Keyword(), query.TapId)
} else {
return nil, errors.Wrap(err, "NetTapServiceManager.FetchByIdOrName")
}
}
q = q.Equals("tap_id", tapObj.GetId())
}
if len(query.HostId) > 0 {
hostObj, err := HostManager.FetchByIdOrName(userCred, query.HostId)
if err != nil {
if errors.Cause(err) == sql.ErrNoRows {
return nil, httperrors.NewResourceNotFoundError2(HostManager.Keyword(), query.HostId)
} else {
return nil, errors.Wrap(err, "HostManager.FetchHostById")
}
}
q = man.filterByHostId(q, hostObj.GetId())
}
return q, nil
}
func (man *SNetTapFlowManager) filterByHostId(q *sqlchemy.SQuery, hostId string) *sqlchemy.SQuery {
guestIdQ := GuestManager.Query("id").Equals("host_id", hostId).SubQuery()
q = q.Filter(sqlchemy.OR(
sqlchemy.AND(
sqlchemy.Equals(q.Field("type"), api.TapFlowVSwitch),
sqlchemy.Equals(q.Field("source_id"), hostId),
),
sqlchemy.AND(
sqlchemy.Equals(q.Field("type"), api.TapFlowGuestNic),
sqlchemy.In(q.Field("source_id"), guestIdQ),
),
))
return q
}
func (man *SNetTapFlowManager) getEnabledTapFlowsOfTap(tapId string) ([]SNetTapFlow, error) {
return man.getEnabledTapFlows("", tapId)
}
func (man *SNetTapFlowManager) getEnabledTapFlowsOnHost(hostId string) ([]SNetTapFlow, error) {
return man.getEnabledTapFlows(hostId, "")
}
func (man *SNetTapFlowManager) getEnabledTapFlows(hostId string, tapId string) ([]SNetTapFlow, error) {
q := man.Query().IsTrue("enabled")
if len(hostId) > 0 {
q = man.filterByHostId(q, hostId)
}
if len(tapId) > 0 {
q = q.Equals("tap_id", tapId)
}
// filter by enabled tap
tapQ := NetTapServiceManager.Query().IsTrue("enabled").SubQuery()
q = q.Join(tapQ, sqlchemy.Equals(q.Field("tap_id"), tapQ.Field("id")))
flows := make([]SNetTapFlow, 0)
err := db.FetchModelObjects(man, q, &flows)
if err != nil {
return nil, errors.Wrap(err, "FetchModelObjects")
}
return flows, nil
}
func (man *SNetTapFlowManager) OrderByExtraFields(
ctx context.Context,
q *sqlchemy.SQuery,
userCred mcclient.TokenCredential,
query api.NetTapFlowListInput,
) (*sqlchemy.SQuery, error) {
q, err := man.SEnabledStatusStandaloneResourceBaseManager.OrderByExtraFields(ctx, q, userCred, query.EnabledStatusStandaloneResourceListInput)
if err != nil {
return nil, errors.Wrap(err, "SEnabledStatusInfrasResourceBaseManager.OrderByExtraFields")
}
return q, nil
}
func (man *SNetTapFlowManager) QueryDistinctExtraField(q *sqlchemy.SQuery, field string) (*sqlchemy.SQuery, error) {
var err error
q, err = man.SEnabledStatusStandaloneResourceBaseManager.QueryDistinctExtraField(q, field)
if err == nil {
return q, nil
}
return q, httperrors.ErrNotFound
}
func (manager *SNetTapFlowManager) FetchCustomizeColumns(
ctx context.Context,
userCred mcclient.TokenCredential,
query jsonutils.JSONObject,
objs []interface{},
fields stringutils2.SSortedStrings,
isList bool,
) []api.NetTapFlowDetails {
rows := make([]api.NetTapFlowDetails, len(objs))
stdRows := manager.SEnabledStatusStandaloneResourceBaseManager.FetchCustomizeColumns(ctx, userCred, query, objs, fields, isList)
tapIds := make([]string, len(objs))
for i := range rows {
rows[i] = api.NetTapFlowDetails{
EnabledStatusStandaloneResourceDetails: stdRows[i],
}
flow := objs[i].(*SNetTapFlow)
tapIds[i] = flow.TapId
rows[i] = flow.getMoreDetails(ctx, rows[i])
}
tapIdMap, err := db.FetchIdNameMap2(NetTapServiceManager, tapIds)
if err != nil {
log.Errorf("FetchIdNameMap2 fail: %s", err)
return rows
}
for i := range rows {
if name, ok := tapIdMap[tapIds[i]]; ok {
rows[i].Tap = name
}
}
return rows
}
func (flow *SNetTapFlow) getMoreDetails(ctx context.Context, details api.NetTapFlowDetails) api.NetTapFlowDetails {
switch flow.Type {
case api.TapFlowVSwitch:
host := HostManager.FetchHostById(flow.SourceId)
if host != nil {
details.Source = host.Name
details.SourceIps = host.AccessIp
}
wire := WireManager.FetchWireById(flow.NetId)
if wire != nil {
details.Net = wire.Name
}
case api.TapFlowGuestNic:
guest := GuestManager.FetchGuestById(flow.SourceId)
if guest != nil {
details.Source = guest.Name
ret := fetchGuestIPs([]string{flow.SourceId}, tristate.False)
details.SourceIps = strings.Join(ret[flow.SourceId], ",")
}
netObj, _ := NetworkManager.FetchById(flow.NetId)
if netObj != nil {
details.Net = netObj.GetName()
}
}
return details
}
func (manager *SNetTapFlowManager) ValidateCreateData(
ctx context.Context,
userCred mcclient.TokenCredential,
ownerId mcclient.IIdentityProvider,
query jsonutils.JSONObject,
input api.NetTapFlowCreateInput,
) (api.NetTapFlowCreateInput, error) {
var err error
input.EnabledStatusStandaloneResourceCreateInput, err = manager.SEnabledStatusStandaloneResourceBaseManager.ValidateCreateData(ctx, userCred, ownerId, query, input.EnabledStatusStandaloneResourceCreateInput)
if err != nil {
return input, errors.Wrap(err, "SEnabledStatusInfrasResourceBaseManager.ValidateCreateData(")
}
tapObj, err := NetTapServiceManager.FetchByIdOrName(userCred, input.TapId)
if err != nil {
if errors.Cause(err) == sql.ErrNoRows {
return input, httperrors.NewResourceNotFoundError2(NetTapServiceManager.Keyword(), input.TapId)
} else {
return input, errors.Wrap(err, "NetTapServiceManager.FetchByIdOrName")
}
}
tap := tapObj.(*SNetTapService)
input.TapId = tap.Id
switch input.Type {
case api.TapFlowVSwitch:
hostObj, err := HostManager.FetchByIdOrName(userCred, input.HostId)
if err != nil {
if errors.Cause(err) == sql.ErrNoRows {
return input, httperrors.NewResourceNotFoundError2(HostManager.Keyword(), input.HostId)
} else {
return input, errors.Wrap(err, "HostManager.FetchByIdOrName")
}
}
wireObj, err := WireManager.FetchByIdOrName(userCred, input.WireId)
if err != nil {
if errors.Cause(err) == sql.ErrNoRows {
return input, httperrors.NewResourceNotFoundError2(WireManager.Keyword(), input.WireId)
} else {
return input, errors.Wrap(err, "WireManager.FetchByIdOrName")
}
}
host := hostObj.(*SHost)
if host.HostType != api.HOST_TYPE_HYPERVISOR {
return input, errors.Wrapf(httperrors.ErrNotSupported, "host type %s not supported", host.HostType)
}
wire := wireObj.(*SWire)
netifs := host.getNetifsOnWire(wire.Id)
if len(netifs) == 0 {
return input, errors.Wrapf(httperrors.ErrInvalidStatus, "host %s and wire %s not attached", input.HostId, input.WireId)
}
ipmiCnt := 0
nicCnt := 0
for _, netif := range netifs {
if netif.NicType == api.NIC_TYPE_IPMI {
ipmiCnt++
}
nicCnt++
}
if ipmiCnt == nicCnt {
return input, errors.Wrapf(httperrors.ErrInvalidStatus, "host %s and wire %s attached with IPMI links", input.HostId, input.WireId)
}
input.SourceId = host.Id
input.MacAddr = ""
input.NetId = wire.Id
if input.VlanId != nil && (*input.VlanId <= 0 || *input.VlanId > 4095) {
return input, errors.Wrapf(httperrors.ErrInputParameter, "invalid vlan id %d", *input.VlanId)
}
case api.TapFlowGuestNic:
guestObj, err := GuestManager.FetchByIdOrName(userCred, input.GuestId)
if err != nil {
if errors.Cause(err) == sql.ErrNoRows {
return input, httperrors.NewResourceNotFoundError2(GuestManager.Keyword(), input.GuestId)
} else {
return input, errors.Wrap(err, "GuestManager.FetchByIdOrName")
}
}
guest := guestObj.(*SGuest)
if guest.Hypervisor != api.HYPERVISOR_KVM {
return input, errors.Wrapf(httperrors.ErrInvalidStatus, "hypervisor %s not supported", guest.Hypervisor)
}
gns, err := GuestnetworkManager.FetchByGuestId(guest.Id)
if err != nil {
return input, errors.Wrap(err, "GuestnetworkManager.FetchByGuestId")
}
var gn *SGuestnetwork
if len(input.IpAddr) == 0 && len(input.MacAddr) == 0 {
if len(gns) == 1 {
gn = &gns[0]
} else {
return input, errors.Wrap(httperrors.ErrInputParameter, "either ip_addr or mac_addr should be specified")
}
} else {
for i := range gns {
if (len(input.IpAddr) > 0 && input.IpAddr == gns[i].IpAddr) || (len(input.MacAddr) > 0 && input.MacAddr == gns[i].MacAddr) {
gn = &gns[i]
break
}
}
if gn == nil {
return input, errors.Wrap(httperrors.ErrNotFound, "Guest network not found")
}
}
input.SourceId = guest.Id
input.MacAddr = gn.MacAddr
input.NetId = gn.NetworkId
input.VlanId = nil
// check loop
if tap.Type == api.TapServiceGuest && tap.TargetId == input.SourceId {
return input, errors.Wrap(httperrors.ErrInputParameter, "cannot tap trafic from guest itself")
}
default:
return input, errors.Wrapf(httperrors.ErrInputParameter, "invalid flow type %s", input.Type)
}
// check duplicity
dupCnt, err := manager.Query().Equals("tap_id", tap.Id).Equals("type", input.Type).Equals("source_id", input.SourceId).Equals("net_id", input.NetId).CountWithError()
if err != nil {
return input, errors.Wrap(err, "query duplicity")
}
if dupCnt > 0 {
return input, errors.Wrap(httperrors.ErrConflict, "this source has been added")
}
if len(input.Direction) == 0 {
input.Direction = api.TapFlowDirectionBoth
}
if !utils.IsInStringArray(input.Direction, api.TapFlowDirections) {
return input, errors.Wrapf(httperrors.ErrNotSupported, "unsupported direction %s", input.Direction)
}
if input.Enabled == nil {
trueVal := true
input.Enabled = &trueVal
}
return input, nil
}
func (tap *SNetTapFlow) CustomizeCreate(
ctx context.Context,
userCred mcclient.TokenCredential,
ownerId mcclient.IIdentityProvider,
query jsonutils.JSONObject,
data jsonutils.JSONObject,
) error {
// generate flowId
err := func() error {
lockman.LockClass(ctx, NetTapFlowManager, "")
defer lockman.ReleaseClass(ctx, NetTapFlowManager, "")
flowId, err := NetTapFlowManager.getFreeFlowId()
if err != nil {
return errors.Wrap(err, "getFreeFlowId")
}
tap.FlowId = flowId
return nil
}()
if err != nil {
return errors.Wrap(err, "generate flow id")
}
return tap.SEnabledStatusStandaloneResourceBase.CustomizeCreate(ctx, userCred, ownerId, query, data)
}
func (manager *SNetTapFlowManager) getFreeFlowId() (uint16, error) {
flowIds := make([]struct {
FlowId uint16 `json:"flow_id"`
}, 0)
q := manager.Query("flow_id").Asc("flow_id")
err := q.All(&flowIds)
if err != nil && errors.Cause(err) != sql.ErrNoRows {
return 0, errors.Wrap(err, "queryAll")
}
if len(flowIds) == 0 {
return api.TapFlowIdMin, nil
}
if flowIds[0].FlowId > api.TapFlowIdMin {
return flowIds[0].FlowId - 1, nil
}
if flowIds[len(flowIds)-1].FlowId < api.TapFlowIdMax {
return flowIds[len(flowIds)-1].FlowId + 1, nil
}
for i := 0; i < len(flowIds)-1; i++ {
if flowIds[i].FlowId+1 < flowIds[i+1].FlowId {
return flowIds[i].FlowId + 1, nil
}
}
return 0, errors.Wrap(httperrors.ErrOutOfResource, "run out of flow id!!!")
}
func (flow *SNetTapFlow) getTap() *SNetTapService {
srvObj, _ := NetTapServiceManager.FetchById(flow.TapId)
return srvObj.(*SNetTapService)
}
func (flow *SNetTapFlow) getTapHostIp() string {
return flow.getTap().getTapHostIp()
}
func (flow *SNetTapFlow) getMirrorConfig(needTapHostIp bool) (api.SMirrorConfig, error) {
ret := api.SMirrorConfig{}
if needTapHostIp {
ret.TapHostIp = flow.getTapHostIp()
}
var hostId, wireId string
switch flow.Type {
case api.TapFlowVSwitch:
hostId = flow.SourceId
wireId = flow.NetId
case api.TapFlowGuestNic:
guest := GuestManager.FetchGuestById(flow.SourceId)
if guest == nil {
// guest has been deleted?
return ret, errors.Wrap(errors.ErrNotFound, "source not found")
}
gn, err := guest.GetGuestnetworkByMac(flow.MacAddr)
if err != nil {
return ret, errors.Wrap(err, "GetGuestnetworkByMac")
}
ret.Port = gn.Ifname
hostId = guest.HostId
net := gn.GetNetwork()
if net.IsClassic() {
wireId = net.WireId
} else {
ret.Bridge = api.HostVpcBridge
}
}
host := HostManager.FetchHostById(hostId)
if len(wireId) > 0 {
// classic network
netifs := host.getNetifsOnWire(wireId)
if len(netifs) == 0 {
return ret, errors.Error("invalid flow? no valid hostwire")
}
if len(netifs) > 1 {
return ret, errors.Error("invalid flow? host and wire have multiple hostwires")
}
ret.Bridge = netifs[0].Bridge
}
ret.HostIp = host.AccessIp
ret.FlowId = flow.FlowId
ret.VlanId = flow.VlanId
ret.Direction = flow.Direction
return ret, nil
}
func (manager *SNetTapFlowManager) removeTapFlowsByGuestId(ctx context.Context, userCred mcclient.TokenCredential, sourceId string) error {
return manager.removeTapFlows(ctx, userCred, api.TapFlowGuestNic, sourceId)
}
func (manager *SNetTapFlowManager) removeTapFlowsByHostId(ctx context.Context, userCred mcclient.TokenCredential, sourceId string) error {
return manager.removeTapFlows(ctx, userCred, api.TapFlowVSwitch, sourceId)
}
func (manager *SNetTapFlowManager) removeTapFlows(ctx context.Context, userCred mcclient.TokenCredential, srvType string, targetId string) error {
srvs, err := manager.getTapFlows(srvType, targetId)
if err != nil {
return errors.Wrap(err, "getTapServicesByHostId")
}
for i := range srvs {
err := srvs[i].Delete(ctx, userCred)
if err != nil {
return errors.Wrap(err, "Delete")
}
}
return nil
}
func (manager *SNetTapFlowManager) getTapFlows(srvType string, sourceId string) ([]SNetTapFlow, error) {
q := manager.Query()
q = q.Equals("type", srvType)
q = q.Equals("source_id", sourceId)
ret := make([]SNetTapFlow, 0)
err := db.FetchModelObjects(manager, q, &ret)
if err != nil {
return nil, errors.Wrap(err, "FetchModelObjects")
}
return ret, nil
}