integrate messaging into gencode, manifest

Signed-off-by: Nico Schottelius <nico@bento.schottelius.org>

cdist/exec/local.py

@@ -30,6 +30,7 @@ import logging
 import tempfile
 
 import cdist
+import cdist.message
 from cdist import core
 
 class Local(object):
@@ -44,11 +45,9 @@ class Local(object):
                  exec_path=sys.argv[0],
                  initial_manifest=None,
                  base_path=None,
-                 add_conf_dirs=None,
-                 message_prefix=None):
+                 add_conf_dirs=None):
 
         self.target_host = target_host
-        self.message_prefix=message_prefix
 
         # FIXME: stopped: create base that does not require moving later
         if base_path:
@@ -131,6 +130,7 @@ class Local(object):
     def create_files_dirs(self):
         self._init_directories()
         self._create_conf_path_and_link_conf_dirs()
+        self._create_messages()
         self._link_types_for_emulator()
 
 
@@ -153,7 +153,7 @@ class Local(object):
         self.log.debug("Local mkdir: %s", path)
         os.makedirs(path, exist_ok=True)
 
-    def run(self, command, env=None, return_output=False):
+    def run(self, command, env=None, return_output=False, message_prefix=None):
         """Run the given command with the given environment.
         Return the output as a string.
 
@@ -166,8 +166,8 @@ class Local(object):
         # Export __target_host for use in __remote_{copy,exec} scripts
         env['__target_host'] = self.target_host
 
-        if self.message_prefix:
-            message = cdist.Message(self.message_prefix, self.messages_path)
+        if message_prefix:
+            message = cdist.message.Message(message_prefix, self.messages_path)
 
         try:
             if return_output:
@@ -179,10 +179,10 @@ class Local(object):
         except OSError as error:
             raise cdist.Error(" ".join(*args) + ": " + error.args[1])
         finally:
-            if self.message_prefix:
+            if message_prefix:
                 message.merge_messages()
 
-    def run_script(self, script, env=None, return_output=False):
+    def run_script(self, script, env=None, return_output=False, message_prefix=None):
         """Run the given script with the given environment.
         Return the output as a string.
 
@@ -190,7 +190,7 @@ class Local(object):
         command = ["/bin/sh", "-e"]
         command.append(script)
 
-        return self.run(command, env, return_output)
+        return self.run(command=command, env=env, return_output=return_output, message_prefix=message_prefix)
 
     def save_cache(self):
         destination = os.path.join(self.cache_path, self.target_host)
@@ -199,6 +199,11 @@ class Local(object):
             shutil.rmtree(destination)
         shutil.move(self.base_path, destination)
 
+    def _create_messages(self):
+        """Create empty messages"""
+        with open(self.messages_path, "w"):
+            pass
+
     def _create_conf_path_and_link_conf_dirs(self):
         # Link destination directories
         for sub_dir in [ "explorer", "manifest", "type" ]: