jsondump recipes: return paths and update files

(cherry picked from commit 362c2f6b)

slapos/recipe/jsondump.py

@@ -10,10 +10,13 @@ class Recipe(object):
             if key not in ['json-output', 'recipe']
         }
 
-        with os.fdopen(os.open(options['json-output'], os.O_WRONLY | os.O_CREAT | os.O_TRUNC, 0o600), 'w') as fout:
+        self._json_output = options['json-output']
+        with os.fdopen(os.open(self._json_output, os.O_WRONLY | os.O_CREAT | os.O_TRUNC, 0o600), 'w') as fout:
             fout.write(json.dumps(parameter_dict, indent=2, sort_keys=True))
             fout.close()
 
     def install(self):
-        return []
+        return [self._json_output]
+
+    update = install
 

slapos/recipe/slapconfiguration.py

@@ -170,6 +170,12 @@ class Serialised(Recipe):
 class JsonDump(Recipe):
   def __init__(self, buildout, name, options):
     parameter_dict = self.fetch_parameter_dict(options)
-    with os.fdopen(os.open(options['json-output'], os.O_WRONLY | os.O_CREAT, 0600), 'w') as fout:
+    self._json_output = options['json-output']
+    with os.fdopen(os.open(self._json_output, os.O_WRONLY | os.O_CREAT, 0600), 'w') as fout:
       fout.write(json.dumps(parameter_dict, indent=2, sort_keys=True))
 
+    def install(self):
+        return [self._json_output]
+
+    update = install
+