forked from yunionio/cloudmux
/
natstable.go
194 lines (172 loc) · 5.03 KB
/
natstable.go
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// Copyright 2023 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 volcengine
import (
"fmt"
api "github.com/nyl1001/cloudmux/pkg/apis/compute"
"github.com/nyl1001/cloudmux/pkg/cloudprovider"
"github.com/nyl1001/cloudmux/pkg/multicloud"
"github.com/nyl1001/pkg/errors"
"github.com/nyl1001/pkg/jsonutils"
)
type SSNATEntry struct {
multicloud.SResourceBase
VolcEngineTags
nat *SNatGateway
NatGatewayId string
SnatEntryId string
SnatEntryName string
SubnetId string
SourceCidr string
EipId string
EipAddress string
Status string
}
func (sentry *SSNATEntry) GetName() string {
if len(sentry.SnatEntryName) > 0 {
return sentry.SnatEntryName
}
return sentry.SnatEntryId
}
func (sentry *SSNATEntry) GetId() string {
return sentry.SnatEntryId
}
func (sentry *SSNATEntry) GetGlobalId() string {
return sentry.SnatEntryId
}
func (sentry *SSNATEntry) GetStatus() string {
switch sentry.Status {
case "Creating":
return api.NAT_STATUS_ALLOCATE
case "Available":
return api.NAT_STAUTS_AVAILABLE
case "Deleteting":
return api.NAT_STATUS_DELETING
default:
return api.NAT_STATUS_UNKNOWN
}
}
func (sentry *SSNATEntry) GetIP() string {
return sentry.EipAddress
}
func (sentry *SSNATEntry) GetSourceCIDR() string {
return sentry.SourceCidr
}
func (sentry *SSNATEntry) GetNetworkId() string {
return sentry.SubnetId
}
func (sentry *SSNATEntry) Delete() error {
return sentry.nat.vpc.region.DeleteSnatEntry(sentry.SnatEntryId)
}
func (sentry *SSNATEntry) Refresh() error {
new, err := sentry.nat.vpc.region.GetSnatEntry(sentry.NatGatewayId, sentry.SnatEntryId)
if err != nil {
return err
}
return jsonutils.Update(sentry, new)
}
func (nat *SNatGateway) getSnatEntries() ([]SSNATEntry, error) {
entries := make([]SSNATEntry, 0)
pageNumber := 1
for {
parts, total, err := nat.vpc.region.GetSnatEntries(nat.NatGatewayId, pageNumber, 50)
if err != nil {
return nil, err
}
entries = append(entries, parts...)
if len(entries) >= total {
break
}
pageNumber += 1
}
return entries, nil
}
func (nat *SNatGateway) dissociateWithSubnet(subnetId string) error {
entries, err := nat.getSnatEntries()
if err != nil {
return err
}
for i := range entries {
if entries[i].SubnetId == subnetId {
err := nat.vpc.region.DeleteSnatEntry(entries[i].SnatEntryId)
if err != nil {
return nil
}
}
}
return nil
}
func (region *SRegion) GetSnatEntries(natGatewayId string, pageNumber int, pageSize int) ([]SSNATEntry, int, error) {
if pageSize > 100 || pageSize <= 0 {
pageSize = 100
}
params := make(map[string]string)
params["NatGatewayId"] = natGatewayId
params["PageSize"] = fmt.Sprintf("%d", pageSize)
params["PageNumber"] = fmt.Sprintf("%d", pageNumber)
body, err := region.natRequest("DescribeSnatEntries", params)
if err != nil {
return nil, 0, errors.Wrapf(err, "DescribeSNATEntries fail")
}
entries := make([]SSNATEntry, 0)
err = body.Unmarshal(&entries, "SnatEntries")
if err != nil {
return nil, 0, errors.Wrapf(err, "Unmarshal entries fail")
}
total, _ := body.Int("TotalCount")
return entries, int(total), nil
}
func (region *SRegion) GetSnatEntry(natGatewayId string, snatEntryID string) (SSNATEntry, error) {
params := make(map[string]string)
params["NatGatewayId"] = natGatewayId
params["SnatEntryIds.1"] = snatEntryID
body, err := region.natRequest("DescribeSnatEntries", params)
if err != nil {
return SSNATEntry{}, errors.Wrapf(err, "DescribeSnatEntries fail")
}
entries := make([]SSNATEntry, 0)
err = body.Unmarshal(&entries, "SnatEntries")
if err != nil {
return SSNATEntry{}, errors.Wrapf(err, "Unmarshal entries fail")
}
if len(entries) == 0 {
return SSNATEntry{}, cloudprovider.ErrNotFound
}
return entries[0], nil
}
func (region *SRegion) CreateSnatEntry(rule cloudprovider.SNatSRule, natGatewayId string) (string, error) {
params := make(map[string]string)
params["NatGatewayId"] = natGatewayId
params["SubnetId"] = rule.NetworkID
eips, _, err := region.GetEips(nil, rule.ExternalIP, nil, 1, 1)
if err != nil {
return "", err
}
params["EipId"] = eips[0].AllocationId
if len(rule.SourceCIDR) != 0 {
params["SourceCidr"] = rule.SourceCIDR
}
body, err := region.natRequest("CreateSnatEntry", params)
if err != nil {
return "", err
}
entryID, _ := body.GetString("SnatEntryId")
return entryID, nil
}
func (region *SRegion) DeleteSnatEntry(snatEntryId string) error {
params := make(map[string]string)
params["SnatEntryId"] = snatEntryId
_, err := region.natRequest("DeleteSnatEntry", params)
return errors.Wrapf(err, "DeleteSnatEntry")
}