Preload AuthKey in machine getters

machine.go

@@ -392,7 +392,7 @@ func (h *Headscale) GetMachineByGivenName(namespace string, givenName string) (*
 // GetMachineByID finds a Machine by ID and returns the Machine struct.
 func (h *Headscale) GetMachineByID(id uint64) (*Machine, error) {
 	m := Machine{}
-	if result := h.db.Preload("Namespace").Find(&Machine{ID: id}).First(&m); result.Error != nil {
+	if result := h.db.Preload("AuthKey").Preload("Namespace").Find(&Machine{ID: id}).First(&m); result.Error != nil {
 		return nil, result.Error
 	}
 
@@ -404,7 +404,7 @@ func (h *Headscale) GetMachineByMachineKey(
 	machineKey key.MachinePublic,
 ) (*Machine, error) {
 	m := Machine{}
-	if result := h.db.Preload("Namespace").First(&m, "machine_key = ?", MachinePublicKeyStripPrefix(machineKey)); result.Error != nil {
+	if result := h.db.Preload("AuthKey").Preload("Namespace").First(&m, "machine_key = ?", MachinePublicKeyStripPrefix(machineKey)); result.Error != nil {
 		return nil, result.Error
 	}
 
@@ -416,7 +416,7 @@ func (h *Headscale) GetMachineByNodeKey(
 	nodeKey key.NodePublic,
 ) (*Machine, error) {
 	machine := Machine{}
-	if result := h.db.Preload("Namespace").First(&machine, "node_key = ?",
+	if result := h.db.Preload("AuthKey").Preload("Namespace").First(&machine, "node_key = ?",
 		NodePublicKeyStripPrefix(nodeKey)); result.Error != nil {
 		return nil, result.Error
 	}
@@ -429,7 +429,7 @@ func (h *Headscale) GetMachineByAnyKey(
 	machineKey key.MachinePublic, nodeKey key.NodePublic, oldNodeKey key.NodePublic,
 ) (*Machine, error) {
 	machine := Machine{}
-	if result := h.db.Preload("Namespace").First(&machine, "machine_key = ? OR node_key = ? OR node_key = ?",
+	if result := h.db.Preload("AuthKey").Preload("Namespace").First(&machine, "machine_key = ? OR node_key = ? OR node_key = ?",
 		MachinePublicKeyStripPrefix(machineKey),
 		NodePublicKeyStripPrefix(nodeKey),
 		NodePublicKeyStripPrefix(oldNodeKey)); result.Error != nil {