blob: 941536275985ce70cd7ba4cab5d4126c824816b6 [file] [log] [blame]
/*
* Copyright 2018-present Open Networking Foundation
* 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 (
"fmt"
"github.com/opencord/voltha-api-server/internal/pkg/afrouter"
"github.com/opencord/voltha-go/common/log"
"github.com/opencord/voltha-go/common/version"
_ "github.com/opencord/voltha-protos"
"google.golang.org/grpc/grpclog"
"io/ioutil"
"os"
)
// startup arouter, return exit status as an integer
func startup() int {
conf, err := afrouter.ParseCmd()
if err != nil {
fmt.Printf("Error: %v\n", err)
return 1
}
// Setup logging
if _, err := log.SetDefaultLogger(log.JSON, *conf.LogLevel, log.Fields{"instanceId": conf.InstanceID}); err != nil {
log.With(log.Fields{"error": err}).Fatal("Cannot setup logging")
return 1
}
defer func() {
err := log.CleanUp()
if err != nil {
// Let's not use the logger to print the error message, since the
// logger could be in a bad state.
fmt.Fprintf(os.Stderr, "Failed to cleanup logger: %v", err)
}
}()
if *conf.DisplayVersionOnly {
fmt.Println("VOLTHA API Server (afrouter)")
fmt.Println(version.VersionInfo.String(" "))
return 0
}
// Parse the config file
err = conf.LoadConfig()
if err != nil {
log.Error(err)
return 1
}
log.With(log.Fields{"config": *conf}).Debug("Configuration loaded")
// Enable grpc logging
if *conf.GrpcLog {
grpclog.SetLoggerV2(grpclog.NewLoggerV2(os.Stderr, ioutil.Discard, ioutil.Discard))
}
// Install the signal and error handlers.
err = afrouter.InitExitHandler()
if err != nil {
log.Errorf("Failed to initialize exit handler, exiting: %v", err)
return 1
}
// Create the affinity router proxy...
if ap, err := afrouter.NewArouterProxy(conf); err != nil {
log.Errorf("Failed to create the arouter proxy, exiting:%v", err)
return 1
// and start it.
// This function never returns unless an error
// occurs or a signal is caught.
} else if *conf.DryRun {
// Do nothing
} else if err := ap.ListenAndServe(); err != nil {
log.Errorf("Exiting on error %v", err)
return 1
}
return 0
}
func main() {
status := startup()
if status != 0 {
os.Exit(status)
}
}