Use 6tunnel instead of haproxy.

slapos/recipe/ipv6toipv4/__init__.py

@@ -39,20 +39,14 @@ class Recipe(GenericBaseRecipe):
       ipv4=self.options['ipv4'],
       ipv4_port=self.options['ipv4-port'],
       shell_path=self.options['shell-path'],
-      haproxy_path=self.options['haproxy-path'],
-      conf_path=self.options['conf-path'],
+      tunnel6_path=self.options['tunnel6-path'],
     )
 
-    configuration_path = self.createFile(
-      self.options['conf-path'],
-      self.substituteTemplate(self.getTemplateFilename('configuration.cfg.in'),
-                              config))
-
     runner_path = self.createExecutable(
       self.options['runner-path'],
       self.substituteTemplate(self.getTemplateFilename('run.in'),
                               config))
 
 
-    return [runner_path, configuration_path]
+    return [runner_path]
 

slapos/recipe/ipv6toipv4/template/configuration.cfg.in

-global
-  maxconn 4096
-
-defaults
-    log                 global
-    mode                tcp
-    option              dontlognull
-    retries             3
-    contimeout          5000
-    clitimeout          50000
-    srvtimeout          50000
-
-listen  ipv6toipv4     %(ipv6)s:%(ipv6_port)s
-        mode    tcp
-        server  ipv4server    %(ipv4)s:%(ipv4_port)s

slapos/recipe/ipv6toipv4/template/run.in

 #!%(shell_path)s
 # BEWARE: This file is operated by slapgrid
 # BEWARE: It will be overwritten automatically
-exec %(haproxy_path)s -f %(conf_path)s
+exec %(tunnel6_path)s -6 -4 -d -l %(ipv6)s %(ipv6_port)s %(ipv4)s %(ipv4_port)s