2 new recipes added for the 0-knowledge procedure

setup.py

@@ -207,6 +207,8 @@ setup(name=name,
           'zabbixagent = slapos.recipe.zabbixagent:Recipe',
           'zimbra.kvm = slapos.recipe.zimbra_kvm:Recipe',
           'zeo = slapos.recipe.zeo:Recipe',
+          'zeroknown.read = slapos.recipe.zeroknown:ReadRecipe',
+          'zeroknown.write = slapos.recipe.zeroknown:WriteRecipe'
         ],
         'slapos.recipe.nosqltestbed.plugin': [
           'kumo = slapos.recipe.nosqltestbed.kumo:KumoTestBed',

slapos/recipe/zeroknown.py

+##############################################################################
+#
+# Copyright (c) 2013 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 ConfigParser
+import os
+import zc.buildout
+
+from slapos.recipe.librecipe import GenericBaseRecipe
+
+
+class WriteRecipe(GenericBaseRecipe):
+  """
+  """
+  def __init__(self, buildout, name, options):
+    if not "filename" in options: 
+      raise zc.buildout.UserError("You have to provide the parameter \"filename\"")
+    
+    self.filename = options['filename'].strip()
+    self.path = os.path.join(buildout['buildout']['directory'], self.filename)
+    del options['filename']
+    
+    # We don't want to save the recipe name
+    recipe = options.pop('recipe')
+
+    # Set up the parser, and write config file if needed
+    self.parser = ConfigParser.ConfigParser()
+    try:
+      self.parser.read(self.path)
+      #clean_options(options)
+      for key in options:
+        if key not in self.parser.options(name):
+          self.parser.set(name, key, options[key])
+      with open(self.path, 'w') as file:
+        self.parser.write(file)
+    # If the file or section do not exist
+    except ConfigParser.NoSectionError, IOError:
+      #clean_options(options)
+      self.full_install(name, options)
+    
+    # Or buildout will fail
+    options['recipe'] = recipe
+    # So that we can get the value in another buildout section
+    options['filename'] = self.filename
+
+
+  install = update = lambda self: []
+
+  
+  def full_install(self, name, options):
+    self.parser.add_section(name)
+    for key in options:
+      self.parser.set(name, key, options[key])
+    with open(self.path, 'w') as file:
+      self.parser.write(file)
+
+
+class ReadRecipe(GenericBaseRecipe):
+  """
+  """
+  def __init__(self, buildout, name, options):
+    if not "filename" in options: 
+      raise zc.buildout.UserError("You have to provide the parameter \"filename\"")
+    
+    self.filename = options['filename'].strip()
+    self.path = os.path.join(buildout['buildout']['directory'], self.filename)
+
+    # Set up the parser, and write config file if needed
+    self.parser = ConfigParser.ConfigParser()
+    if os.path.exists(self.path):
+      self.parser.read(self.path)
+    for section in self.parser.sections():
+      for key ,value in self.parser.items(section):
+          options[key] = value
+
+  install = update = lambda self: []