internal/ldap: use variadic options

internal/ldap/ldap.go

@@ -3,15 +3,15 @@ package ldap
 import (
 	"strings"
 
-	"github.com/hashicorp/go-hclog"
 	ldap "github.com/ps78674/ldapserver"
 )
 
 // New returns a new ldap server instance
-func New(l hclog.Logger, nacl naClient) *server {
+func New(opts ...Option) *server {
 	x := new(server)
-	x.l = l.Named("ldap")
+	for _, o := range opts {
-	x.c = nacl
+		o(x)
+	}
 	x.Server = ldap.NewServer()
 
 	x.routes = ldap.NewRouteMux()

internal/ldap/option.go

@@ -0,0 +1,14 @@
+package ldap
+
+import (
+	"github.com/hashicorp/go-hclog"
+)
+
+// Option handle configuration of the underlying ldap.server type.
+type Option func(*server)
+
+// WithLogger sets the loggers for the server.
+func WithLogger(l hclog.Logger) Option { return func(s *server) { s.l = l.Named("ldap") } }
+
+// WithNetAuth sets the NetAuth client for the server.
+func WithNetAuth(n naClient) Option { return func(s *server) { s.c = n } }

main.go

@@ -9,8 +9,8 @@ import (
 	"github.com/hashicorp/go-hclog"
 	"github.com/netauth/ldap/internal/ldap"
 	"github.com/netauth/netauth/pkg/netauth"
-	"github.com/spf13/viper"
 	log "github.com/sirupsen/logrus"
+	"github.com/spf13/viper"
 )
 
 func init() {
@@ -62,7 +62,7 @@ func main() {
 		os.Exit(2)
 	}
 
-	ls := ldap.New(appLogger, nacl)
+	ls := ldap.New(ldap.WithLogger(appLogger), ldap.WithNetAuth(nacl))
 
 	ls.SetDomain(viper.GetString("ldap.domain"))