Simple recipe to generate stable password.

Password is store as cleartext on the filesystem.

setup.py

@@ -60,6 +60,7 @@ setup(name=name,
           'equeue = slapos.recipe.equeue:Recipe',
           'erp5testnode = slapos.recipe.erp5testnode:Recipe',
           'generate.mac = slapos.recipe.generatemac:Recipe',
+          'generate.password = slapos.recipe.generatepassword:Recipe',
           'nbdserver = slapos.recipe.nbdserver:Recipe',
           'onetimeupload = slapos.recipe.onetimeupload:Recipe',
           'helloworld = slapos.recipe.helloworld:Recipe',

slapos/recipe/generatepassword.py

+##############################################################################
+#
+# Copyright (c) 2012 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.
+#
+##############################################################################
+import random
+import os
+import binascii
+
+from slapos.recipe.librecipe import GenericBaseRecipe
+
+class Recipe(GenericBaseRecipe):
+
+  def __init__(self, buildout, name, options):
+    if os.path.exists(options['storage-path']):
+      open_file = open(options['storage-path'], 'r')
+      options['passwd'] = open_file.read()
+      open_file.close()
+
+    if options.get('passwd', '') == '':
+      options['passwd'] = binascii.hexlify(os.urandom(
+                            int(options.get('bytes', '24'))))
+    return GenericBaseRecipe.__init__(self, buildout, name, options)
+
+  def install(self):
+    open_file = open(self.options['storage-path'], 'w')
+    open_file.write(self.options['passwd'])
+    open_file.close()
+    return [self.options['storage-path']]