[chef] Not able to enable Subversion https server

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Hi All,
I tried to deploy subversion role which will enable subversion https server.
Not able to enable subversion https server Everything is commented in
dav_svn.conf 
 i'm i missing anything??or how to enable subversion http server
{"name": "subversion-Role","description":"subversion-Role - created by
Venky","default_attributes":{},"override_attributes":{"subversion":{"server_name":"project","repo_name":"Cloud","repo_dir":"/srv/svn","password":"mario","user":"mario"}},"json_class":"Chef::Role","chef_type":"role","run_list":["recipe[subversion::server]"]}


Regards
Venky