Add generic recipe in order to generate template

(cherry picked from commit d1e1a328)

setup.py

@@ -119,6 +119,7 @@ setup(name=name,
           'sshkeys_authority.request = slapos.recipe.sshkeys_authority:Request',
           'sphinx= slapos.recipe.sphinx:Recipe',
           'stunnel = slapos.recipe.stunnel:Recipe',
+          'template = slapos.recipe.template:Recipe',
           'testnode = slapos.recipe.testnode:Recipe',
           'urlparse = slapos.recipe._urlparse:Recipe',
           'vifib = slapos.recipe.vifib:Recipe',

slapos/recipe/template.py

+##############################################################################
+#
+# Copyright (c) 2010 Vifib SARL and Contributors. All Rights Reserved.
+#
+# WARNING: This program as such is intended to be used by professional
+# programmers who take the whole responsibility of assessing all potential
+# consequences resulting from its eventual inadequacies and bugs
+# End users who are looking for a ready-to-use solution with commercial
+# guarantees and support are strongly adviced to contract a Free Software
+# Service Company
+#
+# This program 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.
+#
+# This program 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 this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+#
+##############################################################################
+from slapos.recipe.librecipe import GenericBaseRecipe
+
+class Recipe(GenericBaseRecipe):
+
+    def install(self):
+        mapping = self.options.copy()
+        for key in ('output', 'template', 'recipe', ):
+            del mapping[key]
+
+        with open(self.options['output'], 'w') as output, \
+             open(self.options['template'], 'r') as template:
+            output.write(template.read() % mapping)
+
+        return [self.options['output'], ]