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|
package main
import (
"context"
"crypto/x509"
"net"
"os"
"os/signal"
"syscall"
"github.com/xlgmokha/x/pkg/env"
"github.com/xlgmokha/x/pkg/log"
"github.com/xlgmokha/x/pkg/x"
"gitlab.com/gitlab-org/software-supply-chain-security/authorization/sparkled/pkg/authz"
"gitlab.com/gitlab-org/software-supply-chain-security/authorization/sparkled/pkg/pls"
"google.golang.org/grpc"
"google.golang.org/grpc/credentials"
"google.golang.org/grpc/credentials/insecure"
)
func main() {
logger := log.New(os.Stdout, log.Fields{"app": "authzd"})
ctx := logger.WithContext(context.Background())
host := env.Fetch("AUTHZD_HOST", "localhost:50051")
connection, err := grpc.NewClient(
host,
grpc.WithTransportCredentials(credentialsFor(ctx, host)),
)
if err != nil {
pls.LogErrorNow(ctx, err)
}
defer connection.Close()
server := authz.New(authz.Connection.With(ctx, connection))
c := make(chan os.Signal, 1)
signal.Notify(c, syscall.SIGINT, syscall.SIGTERM)
go func() {
<-c
server.GracefulStop()
logger.Log().Str("status", "goodbye").Send()
}()
defer server.GracefulStop()
logger.Log().Str("status", "ready").Send()
socket := x.Must(net.Listen("tcp", ":10003"))
pls.LogErrorNow(ctx, server.Serve(socket))
}
func credentialsFor(ctx context.Context, host string) credentials.TransportCredentials {
if host == "" {
return insecure.NewCredentials()
}
_, port, err := net.SplitHostPort(host)
if err != nil {
pls.LogError(ctx, err)
return insecure.NewCredentials()
}
if port != "443" {
return insecure.NewCredentials()
}
pool, err := x509.SystemCertPool()
if err != nil {
return insecure.NewCredentials()
}
return credentials.NewClientTLSFromCert(pool, "")
}
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