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/*
* Copyright 2022-present Open Networking Foundation
* 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 application
import (
"errors"
"net"
"voltha-go-controller/internal/pkg/types"
"strings"
"github.com/google/gopacket/layers"
"voltha-go-controller/database"
"voltha-go-controller/log"
)
type paramsUpdationFunc func(hash string, value interface{}) error
//map to store conversion functions
var updationMap = map[string]paramsUpdationFunc{
database.VnetPath: updateVnets,
database.VpvPath: updateVpvs,
database.ServicePath: updateServices,
database.MvlanPath: updateMvlans,
database.IgmpGroupPath: updateIgmpGroups,
database.IgmpDevicePath: updateIgmpDevices,
database.IgmpProfPath: updateIgmpProfiles,
}
// UpdateDbData to update database data
func UpdateDbData(dbPath, hash string, value interface{}) error {
if migrationFunc, ok := updationMap[dbPath]; ok {
err := migrationFunc(hash, value)
if err != nil {
logger.Error(ctx, "Error in migrating data\n")
return errors.New("Error-in-migration")
}
}
return nil
}
//This function modifyies the old data as per current version requirement and also
//returns the new path on which the modified data has to be written
func updateServices(hash string, value interface{}) error {
param := value.(*VoltService)
param.VnetID = VnetKey(param.SVlan, param.CVlan, param.UniVlan)
return nil
}
//This function modifyies the old data as per current version requirement and also
//returns the new path on which the modified data has to be written
func updateVnets(hash string, value interface{}) error {
param := value.(*VoltVnet)
newKey := VnetKey(param.SVlan, param.CVlan, param.UniVlan)
if newKey != hash {
//Delete the older key
_ = db.DelVnet(hash)
} else {
//Update SVlan Tag Protocol id param with default valud if not present
if param.SVlanTpid == 0 {
param.SVlanTpid = layers.EthernetTypeDot1Q
}
}
param.Name = newKey
if param.DevicesList == nil || len(param.DevicesList) == 0 {
param.DevicesList = append(param.DevicesList, "") //Empty OLT serial number as of now since submgr won't have proper serial num
}
return nil
}
//This function modifyies the old data as per current version requirement and also
//returns the new path on which the modified data has to be written
func updateVpvs(hash string, value interface{}) error {
//var param VoltPortVnet
param := value.(*VoltPortVnet)
//Update SVlan Tag Protocol id param with default valud if not present
if param.SVlanTpid == 0 {
param.SVlanTpid = layers.EthernetTypeDot1Q
}
if strings.Count(hash, "-") > 1 {
logger.Info(ctx, "Already upgraded")
return nil
}
//Add the vpv under new path
param.WriteToDb()
//delete the older path
fullPath := database.BasePath + database.VpvPath + hash
if err := db.Del(fullPath); err != nil {
logger.Errorw(ctx, "Vpv Delete from DB failed", log.Fields{"Error": err, "key": fullPath})
}
return nil
}
func updateMvlans(hash string, value interface{}) error {
param := value.(*MvlanProfile)
if param.DevicesList == nil || len(param.DevicesList) == 0 {
param.DevicesList = make(map[string]OperInProgress) //Empty OLT serial number as of now since submgr won't have proper serial num
if err := param.WriteToDb(); err != nil {
logger.Errorw(ctx, "Mvlan profile write to DB failed", log.Fields{"ProfileName": param.Name})
}
}
if _, ok := param.Groups[common.StaticGroup]; ok {
param.Groups[common.StaticGroup].IsStatic = true
}
return nil
}
//This function modifyies the old Igmp Group data as per current version requirement and also
//returns the new path on which the modified data has to be written
func updateIgmpGroups(hash string, value interface{}) error {
ig := value.(*IgmpGroup)
logger.Infow(ctx, "Group Data Migration", log.Fields{"ig": ig, "GroupAddr": ig.GroupAddr, "hash": hash})
if ig.GroupAddr == nil {
ig.GroupAddr = net.ParseIP("0.0.0.0")
}
if err := ig.WriteToDb(); err != nil {
logger.Errorw(ctx, "Igmp group Write to DB failed", log.Fields{"groupName": ig.GroupName})
}
return nil
}
//This function modifyies the old Igmp Device data as per current version requirement and also
//returns the new path on which the modified data has to be written
func updateIgmpDevices(hash string, value interface{}) error {
igd := value.(*IgmpGroupDevice)
logger.Infow(ctx, "Group Device Migration", log.Fields{"igd": igd, "GroupAddr": igd.GroupAddr, "hash": hash})
if igd.GroupAddr == nil {
igd.GroupAddr = net.ParseIP("0.0.0.0")
}
if err := igd.WriteToDb(); err != nil {
logger.Errorw(ctx, "Igmp group device Write to DB failed", log.Fields{"Device": igd.Device,
"GroupName": igd.GroupName, "GroupAddr": igd.GroupAddr.String()})
}
return nil
}
//This function modifyies the old Igmp Profile data as per current version requirement and also
//returns the new path on which the modified data has to be written
func updateIgmpProfiles(hash string, value interface{}) error {
igmpProfile := value.(*IgmpProfile)
logger.Infow(ctx, "IGMP Profile Migration", log.Fields{"igmpProfile": igmpProfile, "hash": hash})
return nil
}
func (ig *IgmpGroup) migrateIgmpDevices() {
devices, _ := db.GetPrevIgmpDevices(ig.Mvlan, ig.GroupName)
logger.Infow(ctx, "Migratable Devices", log.Fields{"Devices": devices})
for _, device := range devices {
b, ok := device.Value.([]byte)
if !ok {
logger.Warn(ctx, "The value type is not []byte")
continue
}
if igd, err := NewIgmpGroupDeviceFromBytes(b); err == nil {
key := database.BasePath + database.IgmpDevicePath + igd.Mvlan.String() + "/" + igd.GroupName + "/" + igd.Device
logger.Infow(ctx, "Deleting old entry", log.Fields{"Path": key, "igd": igd})
if err := db.Del(key); err != nil {
logger.Errorw(ctx, "Igmp Group Delete from DB failed", log.Fields{"Error": err, "key": key})
}
if err := UpdateDbData(database.IgmpDevicePath, key, igd); err != nil {
logger.Warnw(ctx, "Group Device Migration failed", log.Fields{"IGD": igd, "Error": err})
} else {
logger.Infow(ctx, "Group Device Migrated", log.Fields{"IGD": igd})
}
} else {
logger.Warnw(ctx, "Unable to decode device from database", log.Fields{"str": string(b)})
}
}
}
func (igd *IgmpGroupDevice) migrateIgmpChannels() {
channels, _ := db.GetPrevIgmpChannels(igd.GroupName, igd.Device)
logger.Infow(ctx, "Migratable Channels", log.Fields{"Channels": channels})
for _, channel := range channels {
b, ok := channel.Value.([]byte)
if !ok {
logger.Warn(ctx, "The value type is not []byte")
continue
}
if igc, err := NewIgmpGroupChannelFromBytes(b); err == nil {
key := database.BasePath + database.IgmpChannelPath + igc.GroupName + "/" + igc.Device + "/" + igc.GroupAddr.String()
logger.Infow(ctx, "Deleting old entry", log.Fields{"Path": key, "igc": igc})
if err := db.Del(key); err != nil {
logger.Errorw(ctx, "Igmp Group Delete from DB failed", log.Fields{"Error": err, "key": key})
}
if err := igc.WriteToDb(); err != nil {
logger.Errorw(ctx, "Igmp group channel Write to DB failed", log.Fields{"mvlan": igc.Mvlan, "GroupAddr": igc.GroupAddr})
}
logger.Infow(ctx, "Group Channel Migrated", log.Fields{"IGD": igc})
} else {
logger.Warnw(ctx, "Unable to decode channel from database", log.Fields{"str": string(b)})
}
}
}
func (igc *IgmpGroupChannel) migrateIgmpPorts() {
ports, _ := db.GetPrevIgmpRcvrs(igc.GroupAddr, igc.Device)
logger.Infow(ctx, "Migratable Ports", log.Fields{"Ports": ports})
for _, port := range ports {
b, ok := port.Value.([]byte)
if !ok {
logger.Warn(ctx, "The value type is not []byte")
continue
}
if igp, err := NewIgmpGroupPortFromBytes(b); err == nil {
key := database.BasePath + database.IgmpPortPath + igc.GroupAddr.String() + "/" + igc.Device + "/" + igp.Port
logger.Infow(ctx, "Deleting old entry", log.Fields{"Key": key, "Igp": igp})
if err := db.Del(key); err != nil {
logger.Errorw(ctx, "Igmp Group port Delete from DB failed", log.Fields{"Error": err, "key": key})
}
if err := igp.WriteToDb(igc.Mvlan, igc.GroupAddr, igc.Device); err != nil {
logger.Errorw(ctx, "Igmp group port Write to DB failed", log.Fields{"mvlan": igc.Mvlan, "GroupAddr": igc.GroupAddr})
}
logger.Infow(ctx, "Group Port Migrated", log.Fields{"IGD": igp})
} else {
logger.Warnw(ctx, "Unable to decode port from database", log.Fields{"str": string(b)})
}
}
}