selfpass/cmd/server/server.go

91 lines
1.8 KiB
Go

package main
import (
"flag"
"io"
"net"
"os"
"os/signal"
"github.com/go-kit/kit/log"
"github.com/mitchell/selfpass/credentials/protobuf"
"github.com/mitchell/selfpass/credentials/repositories"
"github.com/mitchell/selfpass/credentials/service"
"github.com/mitchell/selfpass/credentials/transport"
"google.golang.org/grpc"
)
var logger log.Logger
func main() {
var (
stop = make(chan os.Signal)
dev = flag.Bool("dev", false, "enables dev mode logging")
port = flag.String("port", "8080", "specify the port to listen on")
tableName = flag.String(
"credential-table-name",
"selfpass-credential",
"specify the credential table name on AWS",
)
)
signal.Notify(stop, os.Interrupt)
flag.Parse()
logger = newLogger(os.Stdout, *dev)
var (
db = repositories.NewDynamoTable(*tableName)
svc = service.NewCredentials(db)
gsrv = transport.NewGRPCServer(svc, logger)
srv = grpc.NewServer()
)
protobuf.RegisterCredentialServiceServer(srv, gsrv)
addr := "0.0.0.0:" + *port
lis, err := net.Listen("tcp", addr)
check(err)
go func() {
logger.Log(
"message", "serving",
"address", addr,
"credentialTable", tableName,
"dev", dev,
)
check(srv.Serve(lis))
}()
<-stop
logger.Log("message", "gracefully stopping")
srv.GracefulStop()
}
func newLogger(writer io.Writer, dev bool) log.Logger {
var l log.Logger
writer = log.NewSyncWriter(writer)
if dev {
l = log.NewLogfmtLogger(writer)
} else {
l = log.NewJSONLogger(writer)
}
l = log.WithPrefix(l, "caller", log.DefaultCaller, "timestamp", log.DefaultTimestamp)
lfunc := log.LoggerFunc(func(in ...interface{}) error {
if err := l.Log(in...); err != nil {
panic(err.Error())
}
return nil
})
return lfunc
}
func check(err error) {
if err != nil {
logger.Log("error", err)
os.Exit(1)
}
}