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main.go
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main.go
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package main
import (
"flag"
"log"
"github.com/gocql/gocql"
"github.com/aukbit/pluto/v6"
pb "github.com/aukbit/pluto/v6/examples/dist/user_backend/proto"
"github.com/aukbit/pluto/v6/examples/dist/user_backend/views"
"github.com/aukbit/pluto/v6/server"
"github.com/aukbit/pluto/v6/server/ext"
"google.golang.org/grpc"
)
var (
grpcPort string
db string
keyspace string
name string
)
func init() {
flag.StringVar(&grpcPort, "grpc_port", ":65060", "grpc listening port")
flag.StringVar(&db, "db", "cassandra", "datastore service instance")
flag.StringVar(&keyspace, "keyspace", "pluto_user_backend", "datastore keyspace")
flag.StringVar(&name, "name", "user_backend", "service name instance")
flag.Parse()
}
func main() {
// run service
if err := service(); err != nil {
log.Fatal(err)
}
}
func service() error {
// Define db connection
cfg := gocql.NewCluster(db)
cfg.Keyspace = keyspace
cfg.ProtoVersion = 3
// Define Pluto Server
srv := server.New(
server.Name(name),
server.Addr(grpcPort),
server.GRPCRegister(func(g *grpc.Server) {
pb.RegisterUserServiceServer(g, &views.UserViews{})
}),
server.UnaryServerInterceptors(ext.CassandraUnaryServerInterceptor("cassandra", cfg)),
)
// Define Pluto Service
s := pluto.New(
pluto.Name(name),
pluto.Description("User backend service is responsible for persist data"),
pluto.Servers(srv),
)
// Run service
if err := s.Run(); err != nil {
return err
}
return nil
}