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/
main.go
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/
main.go
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//--------------------------------------------------------------------------
// Copyright 2018 infinimesh
// www.infinimesh.io
//
// 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 (
"net"
"syscall"
"os"
"os/signal"
"github.com/dgraph-io/dgo"
"github.com/dgraph-io/dgo/protos/api"
"github.com/spf13/viper"
"go.uber.org/zap"
"google.golang.org/grpc"
"google.golang.org/grpc/reflection"
"github.com/slntopp/infinimesh/pkg/log"
"github.com/slntopp/infinimesh/pkg/node"
"github.com/slntopp/infinimesh/pkg/node/dgraph"
"github.com/slntopp/infinimesh/pkg/node/nodepb"
)
var (
dgraphURL string
port = ":8082"
)
func init() {
viper.SetDefault("DGRAPH_HOST", "localhost:9080")
viper.AutomaticEnv()
dgraphURL = viper.GetString("DGRAPH_HOST")
}
func main() {
log, err := log.NewProdOrDev()
if err != nil {
panic(err)
}
defer func() {
_ = log.Sync()
}()
log.Info("Connecting to dgraph", zap.String("URL", dgraphURL))
conn, err := grpc.Dial(dgraphURL, grpc.WithInsecure())
if err != nil {
log.Fatal("Failed to connect to dgraph", zap.Error(err))
}
log.Info("Connected to dgraph")
defer conn.Close()
dg := dgo.NewDgraphClient(api.NewDgraphClient(conn))
lis, err := net.Listen("tcp", port)
if err != nil {
log.Fatal("Failed to listen", zap.String("address", port), zap.Error(err))
}
srv := grpc.NewServer()
repo := dgraph.NewDGraphRepo(dg)
objectController := &node.ObjectController{
Repo: repo,
Dgraph: dg,
Log: log.Named("objectController"),
}
accountController := &node.AccountController{
Repo: repo,
Dgraph: dg,
Log: log.Named("accountController"),
}
namespaceController := &node.NamespaceController{
Repo: repo,
Log: log.Named("namespaceController"),
}
nodepb.RegisterObjectServiceServer(srv, objectController)
nodepb.RegisterAccountServiceServer(srv, accountController)
nodepb.RegisterNamespacesServer(srv, namespaceController)
reflection.Register(srv)
signals := make(chan os.Signal, 1)
signal.Notify(signals, syscall.SIGINT)
go func() {
log.Info("Starting gRPC server", zap.String("address", port))
if err := srv.Serve(lis); err != nil {
log.Fatal("Failed to serve gRPC", zap.Error(err))
}
}()
<-signals
log.Info("Stopping gRPC server")
srv.GracefulStop()
log.Info("Stopped gRPC server")
}