added unitfile as an result

plugins/module_utils/module.py

@@ -289,6 +289,7 @@ class SystemdUnitModule(AnsibleModule):
             self.diff(diff)
 
     def check(self):
+        self.set("unitfile", self.unitfile.as_posix())
         self.unitfile_gen()
         if not self.unitfile.exists():
             self.diff(before="", after=self.unit(), before_header=self.unitfile.as_posix())