cloudapi: json tailoring options

Add support for json tailoring files in the cloudapi. Expand the tests
to check that the options returned are okay and that tailoring options
and json tailoring options can't be provided at the same time.

internal/cloudapi/v2/compose_test.go

@@ -785,4 +785,47 @@ func TestOpenSCAPTailoringOptions(t *testing.T) {
 	bp, err := cr.GetBlueprintFromCustomizations()
 	assert.NoError(t, err)
 	assert.Equal(t, expectedOscap, bp.Customizations.OpenSCAP)
+
+	cr = ComposeRequest{
+		Customizations: &Customizations{
+			Openscap: &OpenSCAP{
+				ProfileId: "test-123",
+				JsonTailoring: &OpenSCAPJSONTailoring{
+					ProfileId: "test-123-tailoring",
+					Filepath:  "/some/filepath",
+				},
+			},
+		},
+	}
+
+	expectedOscap = &blueprint.OpenSCAPCustomization{
+		ProfileID: "test-123",
+		JSONTailoring: &blueprint.OpenSCAPJSONTailoringCustomizations{
+			ProfileID: "test-123-tailoring",
+			Filepath:  "/some/filepath",
+		},
+	}
+
+	bp, err = cr.GetBlueprintFromCustomizations()
+	assert.NoError(t, err)
+	assert.Equal(t, expectedOscap, bp.Customizations.OpenSCAP)
+
+	cr = ComposeRequest{
+		Customizations: &Customizations{
+			Openscap: &OpenSCAP{
+				ProfileId: "test-123",
+				Tailoring: &OpenSCAPTailoring{
+					Selected:   common.ToPtr([]string{"one", "two", "three"}),
+					Unselected: common.ToPtr([]string{"four", "five", "six"}),
+				},
+				JsonTailoring: &OpenSCAPJSONTailoring{
+					ProfileId: "test-123-tailoring",
+					Filepath:  "/some/filepath",
+				},
+			},
+		},
+	}
+
+	bp, err = cr.GetBlueprintFromCustomizations()
+	assert.Error(t, err)
 }