/
main.go
105 lines (85 loc) · 2.8 KB
/
main.go
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package main
import (
"context"
"net"
"os"
"time"
"github.com/linkai-io/am/am"
"github.com/pkg/errors"
"github.com/rs/zerolog"
"github.com/rs/zerolog/log"
"github.com/linkai-io/am/pkg/auth/ladonauth"
"github.com/linkai-io/am/pkg/initializers"
"github.com/linkai-io/am/pkg/lb/consul"
"github.com/linkai-io/am/pkg/metrics/load"
"github.com/linkai-io/am/pkg/retrier"
bigdataprotoservice "github.com/linkai-io/am/protocservices/bigdata"
"github.com/linkai-io/am/protocservices/metrics"
"github.com/linkai-io/am/services/bigdata"
bigdataprotoc "github.com/linkai-io/am/services/bigdata/protoc"
"google.golang.org/grpc"
"google.golang.org/grpc/health"
healthgrpc "google.golang.org/grpc/health/grpc_health_v1"
"google.golang.org/grpc/reflection"
)
const (
serviceKey = am.BigDataServiceKey
)
var (
appConfig initializers.AppConfig
)
func init() {
appConfig.Env = os.Getenv("APP_ENV")
appConfig.Region = os.Getenv("APP_REGION")
appConfig.SelfRegister = os.Getenv("APP_SELF_REGISTER")
appConfig.Addr = os.Getenv("APP_ADDR")
appConfig.ServiceKey = serviceKey
consulAddr := initializers.ServiceDiscovery(&appConfig)
consul.RegisterDefault(time.Second*5, consulAddr) // Address comes from CONSUL_HTTP_ADDR or from aws metadata
}
// main starts the UserService
func main() {
var service *bigdata.Service
zerolog.TimeFieldFormat = ""
log.Logger = log.With().Str("service", "BigDataService").Logger()
if appConfig.Addr == "" {
appConfig.Addr = ":50051"
}
listener, err := net.Listen("tcp", appConfig.Addr)
if err != nil {
log.Fatal().Err(err).Msg("failed to listen")
}
dbstring, db := initializers.DB(&appConfig)
err = retrier.Retry(func() error {
policyManager := ladonauth.NewPolicyManager(db, "pgx")
if err := policyManager.Init(); err != nil {
return errors.Wrap(err, "initializing policyManager failed")
}
roleManager := ladonauth.NewRoleManager(db, "pgx")
if err := roleManager.Init(); err != nil {
return errors.Wrap(err, "initializing roleManager failed")
}
authorizer := ladonauth.NewLadonAuthorizer(policyManager, roleManager)
service = bigdata.New(authorizer)
return service.Init([]byte(dbstring))
})
if err != nil {
log.Fatal().Err(err).Msg("initializing service failed")
}
s := grpc.NewServer()
r := load.NewRateReporter(time.Minute)
bigdatap := bigdataprotoc.New(service, r)
bigdataprotoservice.RegisterBigDataServer(s, bigdatap)
healthgrpc.RegisterHealthServer(s, health.NewServer())
// Register reflection service on gRPC server.
reflection.Register(s)
metrics.RegisterLoadReportServer(s, r)
// check if self register
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
initializers.Self(ctx, &appConfig)
log.Info().Msg("Starting Service")
if err := s.Serve(listener); err != nil {
log.Fatal().Err(err).Msg("failed to serve grpc")
}
}