updateservice/StartUpdate: adds the StartUpdate target (#286)

as defined in the spec,

https://www.dmtf.org/sites/default/files/standards/documents/DSP0268_2023.1.html#updateservice-1113

redfish/updateservice.go

@@ -36,6 +36,9 @@ type UpdateService struct {
 	TransferProtocol []string
 	// UpdateServiceTarget indicates where theupdate image is to be applied.
 	UpdateServiceTarget string
+	// StartUpdateTarget is the endpoint which starts updating images that have been previously
+	// invoked using an OperationApplyTime value of OnStartUpdateRequest.
+	StartUpdateTarget string
 	// OemActions contains all the vendor specific actions. It is vendor responsibility to parse this field accordingly
 	OemActions json.RawMessage
 	// Oem shall contain the OEM extensions. All values for properties that
@@ -55,6 +58,12 @@ func (updateService *UpdateService) UnmarshalJSON(b []byte) error {
 			Target          string
 		} `json:"#UpdateService.SimpleUpdate"`
 
+		// This action starts updating all images that have been previously
+		// invoked using an OperationApplyTime value of OnStartUpdateRequest.
+		StartUpdate struct {
+			Target string
+		} `json:"#UpdateService.StartUpdate"`
+
 		Oem json.RawMessage // OEM actions will be stored here
 	}
 	var t struct {
@@ -75,6 +84,7 @@ func (updateService *UpdateService) UnmarshalJSON(b []byte) error {
 	updateService.SoftwareInventory = t.SoftwareInventory.String()
 	updateService.TransferProtocol = t.Actions.SimpleUpdate.AllowableValues
 	updateService.UpdateServiceTarget = t.Actions.SimpleUpdate.Target
+	updateService.StartUpdateTarget = t.Actions.StartUpdate.Target
 	updateService.OemActions = t.Actions.Oem
 	updateService.rawData = b
 

redfish/updateservice_test.go

@@ -66,3 +66,54 @@ func TestUpdateService(t *testing.T) {
 		assertMessage(t, result.UpdateServiceTarget, "/redfish/v1/UpdateService/Actions/UpdateService.SimpleUpdate")
 	})
 }
+
+var startUpdateBody = `{
+    "@odata.type": "#UpdateService.v1_8_0.UpdateService",
+    "@odata.id": "/redfish/v1/UpdateService",
+    "Id": "UpdateService",
+    "Name": "Update Service",
+    "Description": "Service for updating firmware and includes inventory of firmware",
+    "Status": {
+      "State": "Enabled",
+      "Health": "OK",
+      "HealthRollup": "OK"
+    },
+    "ServiceEnabled": true,
+    "MultipartHttpPushUri": "/redfish/v1/UpdateService/upload",
+    "FirmwareInventory": {
+      "@odata.id": "/redfish/v1/UpdateService/FirmwareInventory"
+    },
+    "Actions": {
+      "Oem": {},
+      "#UpdateService.SimpleUpdate": {
+        "target": "/redfish/v1/UpdateService/Actions/UpdateService.SimpleUpdate",
+        "@Redfish.ActionInfo": "/redfish/v1/UpdateService/SimpleUpdateActionInfo"
+      },
+      "#UpdateService.StartUpdate": {
+        "target": "/redfish/v1/UpdateService/Actions/UpdateService.StartUpdate"
+      }
+    },
+    "Oem": {}
+    }
+  }`
+
+func TestUpdateServiceStartUpdate(t *testing.T) {
+	var result UpdateService
+	assertMessage := func(t testing.TB, got string, want string) {
+		t.Helper()
+		if got != want {
+			t.Errorf("got %s, want %s", got, want)
+		}
+	}
+
+	t.Run("Check UpdateService.StartUpdate field", func(t *testing.T) {
+		c := &common.TestClient{}
+		result.SetClient(c)
+
+		err := json.NewDecoder(strings.NewReader(startUpdateBody)).Decode(&result)
+		if err != nil {
+			t.Errorf("Error decoding JSON: %s", err)
+		}
+		assertMessage(t, result.StartUpdateTarget, "/redfish/v1/UpdateService/Actions/UpdateService.StartUpdate")
+	})
+}