implement cdist install

Signed-off-by: Steven Armstrong <steven@icarus.ethz.ch>

cdist/config.py

@@ -158,7 +158,6 @@ class Config(object):
         self.local.save_cache()
         self.log.info("Finished successful run in %s seconds", time.time() - start_time)
 
-
     def object_list(self):
         """Short name for object list retrieval"""
         for cdist_object in core.CdistObject.list_objects(self.local.object_path,

cdist/core/cdist_type.py

@@ -101,6 +101,11 @@ class CdistType(object):
         """Check whether a type is a singleton."""
         return os.path.isfile(os.path.join(self.absolute_path, "singleton"))
 
+    @property
+    def is_install(self):
+        """Check whether a type is used for installation (if not: for configuration)"""
+        return os.path.isfile(os.path.join(self.absolute_path, "install"))
+
     @property
     def explorers(self):
         """Return a list of available explorers"""

cdist/emulator.py

@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 #
 # 2011-2013 Nico Schottelius (nico-cdist at schottelius.org)
-# 2012 Steven Armstrong (steven-cdist at armstrong.cc)
+# 2012-2013 Steven Armstrong (steven-cdist at armstrong.cc)
 #
 # This file is part of cdist.
 #

cdist/install.py

@@ -0,0 +1,37 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+#
+# 2013 Steven Armstrong (steven-cdist at armstrong.cc)
+#
+# This file is part of cdist.
+#
+# cdist is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# cdist is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with cdist. If not, see <http://www.gnu.org/licenses/>.
+#
+#
+
+import cdist.config
+import cdist.core
+
+
+class Install(cdist.config.Config):
+    def object_list(self):
+        """Short name for object list retrieval.
+        In install mode, we only care about install objects.
+        """
+        for cdist_object in cdist.core.CdistObject.list_objects(self.local.object_path,
+                                                         self.local.type_path):
+            if cdist_object.cdist_type.is_install:
+                yield cdist_object
+            else:
+                self.log.debug("Running in install mode, ignoring non install object: {0}".format(cdist_object))

cdist/test/cdist_type/__init__.py

@@ -106,6 +106,16 @@ class TypeTestCase(test.CdistTestCase):
         cdist_type = core.CdistType(base_path, '__not_singleton')
         self.assertFalse(cdist_type.is_singleton)
 
+    def test_install_is_install(self):
+        base_path = fixtures
+        cdist_type = core.CdistType(base_path, '__install')
+        self.assertTrue(cdist_type.is_install)
+
+    def test_not_install_is_install(self):
+        base_path = fixtures
+        cdist_type = core.CdistType(base_path, '__not_install')
+        self.assertFalse(cdist_type.is_install)
+
     def test_with_explorers(self):
         base_path = fixtures
         cdist_type = core.CdistType(base_path, '__with_explorers')