Use HardwareAddress (MAC) for Identifing Hardware Interfaces

client/src/definitions.ts

@@ -44,7 +44,7 @@ export const editTypes: { [key: string]: { [key: string]: any } } = {
           fields: [
             { key: "name", label: "Name", as: "TextBox", default: "placeholder" },
             { key: "type", label: "Type", as: "PillBar", props: { options: [{ name: 'Hardware', key: 'hardware' }, { name: 'VLAN', key: 'vlan' }, { name: 'Bond', key: 'bond' }, { name: 'Bridge', key: 'bridge' }] } },
-            { key: "hardware_interface", label: "Hardware Interface", as: "TextBox", enabled: (values: any) => (values["type"] == 'hardware') },
+            { key: "hardware_address", label: "Hardware Address", as: "TextBox", enabled: (values: any) => (values["type"] == 'hardware') },
             { key: "vlan_parent", label: "VLAN Parent", as: "TextBox", enabled: (values: any) => (values["type"] == 'vlan') },
             { key: "vlan_id", label: "VLAN ID", as: "NumberBox", props: { min: 1, max: 4094 }, enabled: (values: any) => (values["type"] == 'vlan') },
             { key: "bond_members", label: "Bond Members", as: "TextBox", enabled: (values: any) => (values["type"] == 'bond') },

internal/definitions/hardwareaddress.go

@@ -0,0 +1,30 @@
+package definitions
+
+import (
+	"encoding/json"
+	"net"
+)
+
+type HardwareAddress struct {
+	net.HardwareAddr
+}
+
+// MarshalJSON for IPCIDR
+func (i HardwareAddress) MarshalJSON() ([]byte, error) {
+	return json.Marshal(i.String())
+}
+
+// UnmarshalJSON for IPCIDR
+func (i *HardwareAddress) UnmarshalJSON(b []byte) error {
+	var s string
+	if err := json.Unmarshal(b, &s); err != nil {
+		return err
+	}
+
+	mac, err := net.ParseMAC(s)
+	if err != nil {
+		return err
+	}
+	i.HardwareAddr = mac
+	return nil
+}

internal/definitions/interface.go

@@ -9,7 +9,7 @@ type Interface struct {
 	Type            InterfaceType           `json:"type" validate:"min=0,max=3"`
 	AddressingMode  InterfaceAddressingMode `json:"addressing_mode" validate:"min=0,max=2"`
 	Address         *IPCIDR                 `json:"address,omitempty" validate:"excluded_unless=AddressingMode 1"`
-	HardwareInterface *string                 `json:"hardware_interface,omitempty"`
+	HardwareAddress *HardwareAddress        `json:"hardware_address,omitempty"`
 	// TODO fix Validator for int pointers with min=0,max=4094
 	VlanID        *uint     `json:"vlan_id,omitempty"`
 	VlanParent    *string   `json:"vlan_parent,omitempty"`

internal/networkd/template/rename-hardware.link.tmpl

@@ -1,5 +1,5 @@
 [Match]
-OriginalName= {{ .HardwareInterface }}
+PermanentMACAddress= {{ .HardwareAddress }}
 
 [Link]
 Name= {{ .Name }}