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region.go
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region.go
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package tenanter
import (
"strings"
"github.com/JCCE-nudt/PCM/lan_trans/idl/pbtenant"
"github.com/pkg/errors"
)
var (
ErrNoExistAliRegionId = errors.New("region id not exist in ali")
ErrNoExistTencentRegionId = errors.New("region id not exist in tencent")
ErrNoExistHuaweiRegionId = errors.New("region id not exist in huawei")
ErrNoExistAwsRegionId = errors.New("region id not exist in aws")
)
type Region interface {
GetId() int32
GetName() string
}
type region struct {
provider pbtenant.CloudProvider
regionId int32
regionName string
}
func NewRegion(provider pbtenant.CloudProvider, regionId int32) (Region, error) {
r := ®ion{
provider: provider,
regionId: regionId,
}
var err error
switch provider {
case pbtenant.CloudProvider_ali:
r.regionName, err = GetAliRegionName(regionId)
case pbtenant.CloudProvider_tencent:
r.regionName, err = GetTencentRegionName(regionId)
case pbtenant.CloudProvider_huawei:
r.regionName, err = GetHuaweiRegionName(regionId)
//case pbtenant.CloudProvider_aws:
// r.regionName, err = getAwsRegionName(regionId)
}
return r, err
}
func (r *region) GetName() string {
return r.regionName
}
func (r *region) GetId() int32 {
return r.regionId
}
func GetAllRegionIds(provider pbtenant.CloudProvider) (regions []Region) {
switch provider {
case pbtenant.CloudProvider_ali:
for rId := range pbtenant.AliRegionId_name {
if rId != int32(pbtenant.AliRegionId_ali_all) {
region, _ := NewRegion(provider, rId)
regions = append(regions, region)
}
}
case pbtenant.CloudProvider_tencent:
for rId := range pbtenant.TencentRegionId_name {
if rId != int32(pbtenant.TencentRegionId_tc_all) {
region, _ := NewRegion(provider, rId)
regions = append(regions, region)
}
}
case pbtenant.CloudProvider_huawei:
for rId := range pbtenant.HuaweiRegionId_name {
if rId != int32(pbtenant.HuaweiRegionId_hw_all) {
region, _ := NewRegion(provider, rId)
regions = append(regions, region)
}
}
case pbtenant.CloudProvider_k8s:
for rId := range pbtenant.K8SRegionId_name {
region, _ := NewRegion(provider, rId)
regions = append(regions, region)
}
}
return
}
// GetAliRegionName prefix ali_
func GetAliRegionName(regionId int32) (string, error) {
name, ok := pbtenant.AliRegionId_name[regionId]
if !ok || regionId == int32(pbtenant.AliRegionId_ali_all) {
return "", errors.WithMessagef(ErrNoExistAliRegionId, "input region id is %d", regionId)
}
region := strings.ReplaceAll(name, "_", "-")
return region[4:], nil
}
// GetAliRegionId prefix ali_
func GetAliRegionId(regionName string) (int32, error) {
regionName = "ali_" + strings.ReplaceAll(regionName, "-", "_")
id, ok := pbtenant.AliRegionId_value[regionName]
if !ok || regionName == "" {
return 0, errors.WithMessagef(ErrNoExistAliRegionId, "input region id is %s", regionName)
}
return id, nil
}
// GetTencentRegionName prefix tencent
func GetTencentRegionName(regionId int32) (string, error) {
name, ok := pbtenant.TencentRegionId_name[regionId]
if !ok || regionId == int32(pbtenant.TencentRegionId_tc_all) {
return "", errors.WithMessagef(ErrNoExistTencentRegionId, "input region id is %d", regionId)
}
region := strings.ReplaceAll(name, "_", "-")
return region[3:], nil
}
// GetTencentRegionId prefix tc_
func GetTencentRegionId(regionName string) (int32, error) {
regionName = "tc_" + strings.ReplaceAll(regionName, "-", "_")
id, ok := pbtenant.TencentRegionId_value[regionName]
if !ok || regionName == "" {
return 0, errors.WithMessagef(ErrNoExistAliRegionId, "input region id is %s", regionName)
}
return id, nil
}
// GetHuaweiRegionName prefix huawei
func GetHuaweiRegionName(regionId int32) (string, error) {
name, ok := pbtenant.HuaweiRegionId_name[regionId]
if !ok || regionId == int32(pbtenant.HuaweiRegionId_hw_all) {
return "", errors.WithMessagef(ErrNoExistHuaweiRegionId, "input region id is %d", regionId)
}
region := strings.ReplaceAll(name, "_", "-")
return region[3:], nil
}
// GetHuaweiRegionId prefix huawei
func GetHuaweiRegionId(regionName string) (int32, error) {
regionName = "hw_" + strings.ReplaceAll(regionName, "-", "_")
id, ok := pbtenant.AliRegionId_value[regionName]
if !ok || regionName == "" {
return 0, errors.WithMessagef(ErrNoExistAliRegionId, "input region id is %s", regionName)
}
return id, nil
}
// GetK8SRegionName prefix ali_
func GetK8SRegionName(regionId int32) (string, error) {
name, ok := pbtenant.AliRegionId_name[regionId]
if !ok || regionId == int32(pbtenant.AliRegionId_ali_all) {
return "", errors.WithMessagef(ErrNoExistAliRegionId, "input region id is %d", regionId)
}
region := strings.ReplaceAll(name, "_", "-")
return region[4:], nil
}
// GetK8SRegionId prefix ali_
func GetK8SRegionId(regionName string) (int32, error) {
return 0, nil
}
// GetAwsRegionName prefix aws_
func GetAwsRegionName(regionId int32) (string, error) {
name, ok := pbtenant.AwsRegionId_name[regionId]
if !ok || regionId == int32(pbtenant.AwsRegionId_aws_all) {
return "", errors.WithMessagef(ErrNoExistAwsRegionId, "input region id is %d", regionId)
}
region := strings.ReplaceAll(name, "_", "-")
return region[4:], nil
}