Add PortRange to the extra-config parser.

pkg/util/config.go

@@ -22,6 +22,8 @@ import (
 	"reflect"
 	"strconv"
 	"strings"
+
+	utilnet "k8s.io/client-go/1.4/pkg/util/net"
 )
 
 // findNestedElement uses reflection to find the element corresponding to the dot-separated string parameter.
@@ -63,7 +65,7 @@ func setElement(e reflect.Value, v string) error {
 	case bool:
 		b, err := strconv.ParseBool(v)
 		if err != nil {
-			return fmt.Errorf("Error converting input %s to a bool: %s", b, err)
+			return fmt.Errorf("Error converting input %s to a bool: %s", v, err)
 		}
 		e.SetBool(b)
 	case net.IP:
@@ -72,6 +74,12 @@ func setElement(e reflect.Value, v string) error {
 			return fmt.Errorf("Error converting input %s to an IP.", v)
 		}
 		e.Set(reflect.ValueOf(ip))
+	case utilnet.PortRange:
+		pr, err := utilnet.ParsePortRange(v)
+		if err != nil {
+			return fmt.Errorf("Error converting input %s to PortRange: %s", v, err)
+		}
+		e.Set(reflect.ValueOf(*pr))
 	default:
 		return fmt.Errorf("Unable to set type %s.", t)
 	}

pkg/util/config_test.go

@@ -20,6 +20,8 @@ import (
 	"math"
 	"net"
 	"testing"
+
+	utilnet "k8s.io/client-go/1.4/pkg/util/net"
 )
 
 type testConfig struct {
@@ -49,6 +51,7 @@ type subConfig3 struct {
 	O float32
 	P bool
 	Q net.IP
+	R utilnet.PortRange
 }
 
 func buildConfig() testConfig {
@@ -66,6 +69,7 @@ func buildConfig() testConfig {
 				O: 3.3,
 				P: false,
 				Q: net.ParseIP("12.34.56.78"),
+				R: utilnet.PortRange{Base: 2, Size: 4},
 			},
 		},
 		E: &subConfig2{
@@ -164,6 +168,7 @@ func TestSetElement(t *testing.T) {
 		{"D.I.P", "true", func(t testConfig) bool { return bool(t.D.I.P) == true }},
 		{"D.I.P", "false", func(t testConfig) bool { return bool(t.D.I.P) == false }},
 		{"D.I.Q", "11.22.33.44", func(t testConfig) bool { return t.D.I.Q.Equal(net.ParseIP("11.22.33.44")) }},
+		{"D.I.R", "7-11", func(t testConfig) bool { return t.D.I.R.Base == 7 && t.D.I.R.Size == 5 }},
 	} {
 		a := buildConfig()
 		if err := FindAndSet(tc.path, &a, tc.newval); err != nil {