libnetwork/netavark: accept metric option for mac/ipvlan

This option is also supported by netavark for macvlan and ipvlan
networks.

Fixes #2051

Signed-off-by: Paul Holzinger <pholzing@redhat.com>

common/libnetwork/netavark/config.go

@@ -326,6 +326,11 @@ func createIpvlanOrMacvlan(network *types.Network) error {
 					return fmt.Errorf("unknown ipvlan mode %q", value)
 				}
 			}
+		case types.MetricOption:
+			_, err := strconv.ParseUint(value, 10, 32)
+			if err != nil {
+				return err
+			}
 		case types.MTUOption:
 			_, err := internalutil.ParseMTU(value)
 			if err != nil {

common/libnetwork/netavark/config_test.go

@@ -1750,6 +1750,19 @@ var _ = Describe("Config", func() {
 		Expect(err.Error()).To(Equal("route gateway nil"))
 	})
 
+	It("create macvlan config with metric option", func() {
+		network := types.Network{
+			Driver: "macvlan",
+			Options: map[string]string{
+				"metric": "99",
+			},
+		}
+		network1, err := libpodNet.NetworkCreate(network, nil)
+		Expect(err).ToNot(HaveOccurred())
+		Expect(network1.Options).To(HaveLen(1))
+		Expect(network1.Options["metric"]).To(Equal("99"))
+	})
+
 	It("create bridge config with no_default_route", func() {
 		network := types.Network{
 			Driver: "bridge",