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VPCHandler.go
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VPCHandler.go
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// Cloud Driver Interface of CB-Spider.
// The CB-Spider is a sub-Framework of the Cloud-Barista Multi-Cloud Project.
// The CB-Spider Mission is to connect all the clouds with a single interface.
//
// * Cloud-Barista: https://github.com/cloud-barista
//
// This is Mock Driver.
//
// by CB-Spider Team, 2020.10.
package resources
import (
"fmt"
"sync"
cblog "github.com/cloud-barista/cb-log"
irs "github.com/cloud-barista/cb-spider/cloud-control-manager/cloud-driver/interfaces/resources"
_ "github.com/sirupsen/logrus"
)
var vpcInfoMap map[string][]*irs.VPCInfo
type MockVPCHandler struct {
MockName string
}
func init() {
// cblog is a global variable.
vpcInfoMap = make(map[string][]*irs.VPCInfo)
}
var vpcMapLock = new(sync.RWMutex)
// (1) create vpcInfo object
// (2) insert vpcInfo into global Map
func (vpcHandler *MockVPCHandler) CreateVPC(vpcReqInfo irs.VPCReqInfo) (irs.VPCInfo, error) {
cblogger := cblog.GetLogger("CB-SPIDER")
cblogger.Info("Mock Driver: called CreateVPC()!")
mockName := vpcHandler.MockName
vpcReqInfo.IId.SystemId = vpcReqInfo.IId.NameId
// set SystemID of Subnet list
for i, subnetInfo := range vpcReqInfo.SubnetInfoList {
subnetInfo.IId.SystemId = subnetInfo.IId.NameId
vpcReqInfo.SubnetInfoList[i] = subnetInfo
}
// (1) create vpcInfo object
vpcInfo := irs.VPCInfo{
vpcReqInfo.IId,
vpcReqInfo.IPv4_CIDR,
vpcReqInfo.SubnetInfoList,
nil}
// (2) insert VPCInfo into global Map
vpcMapLock.Lock()
defer vpcMapLock.Unlock()
infoList, _ := vpcInfoMap[mockName]
infoList = append(infoList, &vpcInfo)
vpcInfoMap[mockName] = infoList
return CloneVPCInfo(vpcInfo), nil
}
func (vpcHandler *MockVPCHandler) ListVPC() ([]*irs.VPCInfo, error) {
cblogger := cblog.GetLogger("CB-SPIDER")
cblogger.Info("Mock Driver: called ListVPC()!")
mockName := vpcHandler.MockName
vpcMapLock.RLock()
defer vpcMapLock.RUnlock()
infoList, ok := vpcInfoMap[mockName]
if !ok {
return []*irs.VPCInfo{}, nil
}
// cloning list of VPC
return CloneVPCInfoList(infoList), nil
}
func CloneVPCInfoList(srcInfoList []*irs.VPCInfo) ([]*irs.VPCInfo) {
clonedInfoList := []*irs.VPCInfo{}
for _, srcInfo := range srcInfoList {
clonedInfo := CloneVPCInfo(*srcInfo)
clonedInfoList = append(clonedInfoList, &clonedInfo)
}
return clonedInfoList
}
func CloneVPCInfo(srcInfo irs.VPCInfo) (irs.VPCInfo) {
/*
type VPCInfo struct {
IId IID // {NameId, SystemId}
IPv4_CIDR string
SubnetInfoList []SubnetInfo
KeyValueList []KeyValue
}
*/
// clone VPCInfo
clonedInfo := irs.VPCInfo {
IId: irs.IID{srcInfo.IId.NameId, srcInfo.IId.SystemId},
IPv4_CIDR: srcInfo.IPv4_CIDR,
SubnetInfoList: CloneSubnetInfoList(srcInfo.SubnetInfoList),
// Need not clone
KeyValueList: srcInfo.KeyValueList,
}
return clonedInfo
}
func CloneSubnetInfoList(srcInfoList []irs.SubnetInfo) ([]irs.SubnetInfo) {
clonedInfoList := []irs.SubnetInfo{}
for _, srcInfo := range srcInfoList {
clonedInfo := CloneSubnetInfo(srcInfo)
clonedInfoList = append(clonedInfoList, clonedInfo)
}
return clonedInfoList
}
func CloneSubnetInfo(srcInfo irs.SubnetInfo) (irs.SubnetInfo) {
/*
type SubnetInfo struct {
IId IID // {NameId, SystemId}
IPv4_CIDR string
KeyValueList []KeyValue
}
*/
// clone SubnetInfo
clonedInfo := irs.SubnetInfo {
IId: irs.IID{srcInfo.IId.NameId, srcInfo.IId.SystemId},
IPv4_CIDR: srcInfo.IPv4_CIDR,
// Need not clone
KeyValueList: srcInfo.KeyValueList,
}
return clonedInfo
}
func (vpcHandler *MockVPCHandler) GetVPC(iid irs.IID) (irs.VPCInfo, error) {
cblogger := cblog.GetLogger("CB-SPIDER")
cblogger.Info("Mock Driver: called GetVPC()!")
vpcMapLock.RLock()
defer vpcMapLock.RUnlock()
mockName := vpcHandler.MockName
infoList, ok := vpcInfoMap[mockName]
if !ok {
return irs.VPCInfo{}, fmt.Errorf("%s VPC does not exist!!", iid.NameId)
}
for _, info := range infoList {
if (*info).IId.NameId == iid.NameId {
return CloneVPCInfo(*info), nil
}
}
return irs.VPCInfo{}, fmt.Errorf("%s VPC does not exist!!", iid.NameId)
}
func (vpcHandler *MockVPCHandler) DeleteVPC(iid irs.IID) (bool, error) {
cblogger := cblog.GetLogger("CB-SPIDER")
cblogger.Info("Mock Driver: called DeleteVPC()!")
vpcMapLock.Lock()
defer vpcMapLock.Unlock()
mockName := vpcHandler.MockName
infoList, ok := vpcInfoMap[mockName]
if !ok {
return false, fmt.Errorf("%s VPC does not exist!!", iid.NameId)
}
for idx, info := range infoList {
if info.IId.SystemId == iid.SystemId {
infoList = append(infoList[:idx], infoList[idx+1:]...)
vpcInfoMap[mockName] = infoList
return true, nil
}
}
return false, nil
}
func (vpcHandler *MockVPCHandler) AddSubnet(iid irs.IID, subnetInfo irs.SubnetInfo) (irs.VPCInfo, error) {
cblogger := cblog.GetLogger("CB-SPIDER")
cblogger.Info("Mock Driver: called AddSubnet()!")
vpcMapLock.Lock()
defer vpcMapLock.Unlock()
mockName := vpcHandler.MockName
infoList, ok := vpcInfoMap[mockName]
if !ok {
return irs.VPCInfo{}, fmt.Errorf("%s VPC does not exist!!", iid.NameId)
}
subnetInfo.IId.SystemId = subnetInfo.IId.NameId
for _, info := range infoList {
if (*info).IId.NameId == iid.NameId {
info.SubnetInfoList = append(info.SubnetInfoList, subnetInfo)
return CloneVPCInfo(*info), nil
}
}
return irs.VPCInfo{}, fmt.Errorf("%s VPC does not exist!!", iid.NameId)
}
func (vpcHandler *MockVPCHandler) RemoveSubnet(iid irs.IID, subnetIID irs.IID) (bool, error) {
cblogger := cblog.GetLogger("CB-SPIDER")
cblogger.Info("Mock Driver: called RemoveSubnet()!")
vpcMapLock.Lock()
defer vpcMapLock.Unlock()
mockName := vpcHandler.MockName
infoList, ok := vpcInfoMap[mockName]
if !ok {
return false, fmt.Errorf("%s VPC does not exist!!", iid.NameId)
}
for _, info := range infoList {
if (*info).IId.NameId == iid.NameId {
for idx, subInfo := range info.SubnetInfoList {
if subInfo.IId.SystemId == subnetIID.SystemId {
info.SubnetInfoList = append(info.SubnetInfoList[:idx], info.SubnetInfoList[idx+1:]...)
return true, nil
}
}
}
}
return false, nil
}