/
main.go
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/
main.go
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// Copyright Aeraki 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 main
import (
"flag"
"os"
"os/signal"
"syscall"
"github.com/aeraki-mesh/dubbo2istio/pkg/dubbo/etcd"
"github.com/aeraki-mesh/dubbo2istio/pkg/dubbo/nacos"
"github.com/aeraki-mesh/dubbo2istio/pkg/dubbo/zk"
istioclient "istio.io/client-go/pkg/clientset/versioned"
"istio.io/pkg/log"
"sigs.k8s.io/controller-runtime/pkg/client/config"
)
const (
defaultRegistryType = "zookeeper"
defaultRegistryName = "default"
)
func main() {
var registryType, registryName, registryAddr string
flag.StringVar(®istryType, "type", defaultRegistryType, "Type of the registry: zookeeper or nacos")
flag.StringVar(®istryName, "name", defaultRegistryName, "Name is the globally unique name for a dubbo registry")
flag.StringVar(®istryAddr, "addr", "", "Registry address in the form of ip:port or dns:port")
flag.Parse()
stopChan := make(chan struct{}, 1)
ic, err := getIstioClient()
if err != nil {
log.Errorf("failed to create istio client: %v", err)
return
}
if registryType == "zookeeper" {
log.Infof("dubbo2istio runs in Zookeeper mode: registry: %s, addr: %s", registryName, registryAddr)
zk.NewController(registryName, registryAddr, ic).Run(stopChan)
} else if registryType == "nacos" {
log.Infof("dubbo2istio runs in Nacos mode: registry: %s, addr: %s", registryName, registryAddr)
nacosController, err := nacos.NewController(registryName, registryAddr, ic)
if err != nil {
log.Errorf("failed to create nacos controller :%v", err)
} else {
nacosController.Run(stopChan)
}
} else if registryType == "etcd" {
log.Infof("dubbo2istio runs in Etcd mode: registry: %s, addr: %s", registryName, registryAddr)
etcd.NewController(registryName, registryAddr, ic).Run(stopChan)
} else {
log.Errorf("unrecognized registry type: %s , dubbo2istio only supports zookeeper or nacos", registryType)
}
signalChan := make(chan os.Signal, 1)
signal.Notify(signalChan, syscall.SIGINT, syscall.SIGTERM)
<-signalChan
stopChan <- struct{}{}
}
func getIstioClient() (*istioclient.Clientset, error) {
config, err := config.GetConfig()
if err != nil {
return nil, err
}
ic, err := istioclient.NewForConfig(config)
if err != nil {
return nil, err
}
return ic, nil
}