Add 6tunnel support.

Based on work by Romain Courteaud <romain@nexedi.com>.

component/6tunnel/buildout.cfg

+# 6tunnel - Tunnelling for application that don't speak IPv6
+# http://toxygen.net/6tunnel/
+
+[buildout]
+parts = 6tunnel
+extends =
+  ../autoconf/buildout.cfg
+  ../automake/buildout.cfg
+
+[6tunnel]
+recipe = hexagonit.recipe.cmmi
+url = http://toxygen.net/6tunnel/6tunnel-0.11rc2.tar.gz
+md5sum = 74e02d4f0704b3083a01feda66033449
+configure-command =
+  aclocal
+  autoheader
+  automake --foreign
+  autoconf
+  ./configure
+configure-options =
+  --prefix=${buildout:parts-directory}/${:_buildout_section_name_}
+environment =
+  PATH=${autoconf:location}/bin:${automake:location}/bin:%(PATH)s

setup.py

@@ -69,6 +69,8 @@ setup(name=name,
           'generic.cloudooo = slapos.recipe.generic_cloudooo:Recipe',
           'cloudooo.test = slapos.recipe.cloudooo_test:Recipe',
           'firefox = slapos.recipe.firefox:Recipe',
+          'ipv6toipv4 = slapos.recipe.6tunnel:SixToFour',
+          'ipv4toipv6 = slapos.recipe.6tunnel:FourToSix',
           'fontconfig = slapos.recipe.fontconfig:Recipe',
           'java = slapos.recipe.java:Recipe',
           'kumofs = slapos.recipe.kumofs:Recipe',

slapos/recipe/6tunnel/__init__.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.
+#
+##############################################################################
+from slapos.recipe.librecipe import GenericBaseRecipe
+
+class Recipe(GenericBaseRecipe):
+  """
+  ipv4toipv6 tunnel configuration.
+  """
+  # Override in subclasses
+  template_name = None
+
+  def install(self):
+    return [
+      self.createExecutable(
+        self.options['runner-path'],
+        self.substituteTemplate(
+          self.getTemplateFilename(self.template_name),
+          {
+            'ipv6': self.options['ipv6'],
+            'ipv6_port': self.options['ipv6-port'],
+            'ipv4': self.options['ipv4'],
+            'ipv4_port': self.options['ipv4-port'],
+            'shell_path': self.options['shell-path'],
+            '6tunnel_path': self.options['tunnel6-path'],
+          },
+        ),
+      )
+    ]
+
+class SixToFour(Recipe):
+    template_name = '6to4.in'
+
+class FourToSix(Recipe):
+    template_name = '4to6.in'

slapos/recipe/6tunnel/template/4to6.in

+#!%(shell_path)s
+# BEWARE: This file is operated by slapgrid
+# BEWARE: It will be overwritten automatically
+exec %(6tunnel_path)s -d -l %(ipv4)s %(ipv4_port)s %(ipv6)s %(ipv6_port)s

slapos/recipe/6tunnel/template/6to4.in

+#!%(shell_path)s
+# BEWARE: This file is operated by slapgrid
+# BEWARE: It will be overwritten automatically
+exec %(6tunnel_path)s -6 -4 -d -l %(ipv6)s %(ipv6_port)s %(ipv4)s %(ipv4_port)s