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second.go
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second.go
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/*
Copyright 2022 FerryProxy Authors.
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 manual
import (
"encoding/base64"
"fmt"
"strconv"
"time"
trafficv1alpha2 "github.com/ferryproxy/api/apis/traffic/v1alpha2"
"github.com/ferryproxy/ferry/pkg/consts"
"github.com/ferryproxy/ferry/pkg/router"
"github.com/ferryproxy/ferry/pkg/utils/encoding"
)
type SecondConfig struct {
RouteName string
ImportHub string
ExportHub string
IsImport bool
ImportService string
BindPort string
ExportPort string
ExportService string
Reachable bool
ImportTunnelAddress string
ImportTunnelAuthorized string
ExportTunnelAddress string
ExportTunnelAuthorized string
}
func Second(conf SecondConfig) (applyResource, otherResource, importAddress string, err error) {
bindPort, err := strconv.Atoi(conf.BindPort)
if err != nil {
return "", "", "", err
}
port, err := strconv.Atoi(conf.ExportPort)
if err != nil {
return "", "", "", err
}
importName, importNamespace := GetService(conf.ImportService)
exportName, exportNamespace := GetService(conf.ExportService)
routeName := conf.RouteName
if routeName == "" {
suffix := time.Now().Format("20060102150405")
routeName = fmt.Sprintf("manual-%s-%s-%s", importName, importNamespace, suffix)
}
exportHubName := conf.ExportHub
if exportHubName == "" {
exportHubName = fmt.Sprintf("%s-export", routeName)
}
importHubName := conf.ImportHub
if importHubName == "" {
importHubName = fmt.Sprintf("%s-import", routeName)
}
importAuthorized, err := base64.StdEncoding.DecodeString(conf.ImportTunnelAuthorized)
if err != nil {
return "", "", "", err
}
exportAuthorized, err := base64.StdEncoding.DecodeString(conf.ExportTunnelAuthorized)
if err != nil {
return "", "", "", err
}
mc := router.ManualConfig{
Labels: map[string]string{
consts.TunnelRouteKey: routeName,
},
RouteName: routeName,
ImportHubName: importHubName,
ImportName: importName,
ImportNamespace: importNamespace,
ImportGateway: trafficv1alpha2.HubSpecGateway{
Reachable: conf.ImportTunnelAddress != "",
Address: conf.ImportTunnelAddress,
},
ImportAuthorized: string(importAuthorized),
BindPort: int32(bindPort),
Port: int32(port),
ExportHubName: exportHubName,
ExportName: exportName,
ExportNamespace: exportNamespace,
ExportGateway: trafficv1alpha2.HubSpecGateway{
Reachable: conf.ExportTunnelAddress != "",
Address: conf.ExportTunnelAddress,
},
ExportAuthorized: string(exportAuthorized),
}
m := router.NewManual(mc)
resources, err := m.BuildResource()
if err != nil {
return "", "", "", err
}
if len(resources) == 0 {
return "", "", "", fmt.Errorf("failed build resource: output is empty")
}
importResource, err := encoding.MarshalYAML(resources[importHubName]...)
if err != nil {
return "", "", "", err
}
exportResource, err := encoding.MarshalYAML(resources[exportHubName]...)
if err != nil {
return "", "", "", err
}
if conf.IsImport {
applyResource = string(importResource)
otherResource = string(exportResource)
} else {
applyResource = string(exportResource)
otherResource = string(importResource)
}
importAddress = fmt.Sprintf("%s.svc:%s", conf.ImportService, conf.ExportPort)
return applyResource, otherResource, importAddress, nil
}