I have only really used OpenVPN for testing so are not particularly familiar with using it in production. So while I think it sounds possible, I can't even point you in the right direction sorry.
Assuming you are using TurnKey v14.x then you should have OpenVPN v2.3.4. TurnKey is based on Debian (v14.x = Jessie) and we use the Debian package by default (so you can safely install auto security updates). Hopefully armed with that info, a bit of a google will bring some relevant info? I had a quick google myself and whilst i found some info, I didn't find any one doc that spelt it all out step by step.
If you find something useful, please post back as I think this is a really cool use case and I'd love it if we had it documented! I'm sure other users would appreciate it too!
Sorry I'm not much help...
Assuming you are using TurnKey v14.x then you should have OpenVPN v2.3.4. TurnKey is based on Debian (v14.x = Jessie) and we use the Debian package by default (so you can safely install auto security updates). Hopefully armed with that info, a bit of a google will bring some relevant info? I had a quick google myself and whilst i found some info, I didn't find any one doc that spelt it all out step by step.
If you find something useful, please post back as I think this is a really cool use case and I'd love it if we had it documented! I'm sure other users would appreciate it too!