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Why

Definetely not to fool RKN, we all know it's not possible.

Requirements

Provisioning machine

You need anything that can run Ansible – Mac OS, any Linux, Windows + WSL2, and Ansible itself. Consult with Ansible manual for installation routine.

Remote VM

You need a VPS from your favourite provider. I'll use Hetzner.

Some tips:

  • I suggest to select the closest datacenter to your location, in my case it's Finland, Helsinki
  • Don't forget to add your SSH key during the creation process, just paste the key in the web interface
  • Select Ubuntu 20 as VM OS
  • Either configure your VM to allow root SSH connection (not so secure but generally ok for our purposes; default option in Hetzner, but not a thing in Digital Ocean) or create a new user and allow him to login with SSH and do sudo without a password (more secure but requires additional steps, see here)

Ansible config

  1. Create _inventory/inventory.yaml. Put as many servers as you need in form of:
wireguard:
  hosts:
    helsinki:
      ansible_host: 127.0.0.1
    moscow:
      ansible_host: 127.0.0.1

Don't forget to replace names and IPs with your real ones

  1. Create _inventory/ssh.yaml in form of:
all:
  vars:
    ansible_user: root
    ansible_ssh_private_key_file: "~/.ssh/id_rsa"

Don't forget to replace root with your SSH user if needed. Don't forget to replace the path to your SSH private key if needed. If you use your default SSH keypair and decided to allow root to login, there's nothing you need to edit here, just leave the created file as is.

  1. Run ansible-playbook ping.yaml. You should see something like this in the last line:
wireguard                  : ok=1    changed=0    unreachable=0    failed=0    skipped=0    rescued=0    ignored=0

If you see an error... fix it.

Wireguard setup

If you want some control over the installation, check the _options.yaml file which establishes some sensible defaults. You can change anything you want if you know what you do. To run setup it, do

ansible-playbook setup.yaml

and wait for a while.

Setup a client

  1. Register the peer and obtain the config Run ansible-playbook register-peer.yaml and put an id when prompted.

  2. Find your config in ./clients/${peer_id}.conf and ./clients/${peer_id}.png in the root dir of the project where you ran the playbook.

  3. Download && install an app from the official site. If you're on desktop, use .conf file to create a tunnel from it. If you on mobile, scan the QR-code from .png.

  4. Optional. Google "my ip" or run curl ifconfig.me to ensure the Internet now thinks you're in Helsinki

Credits

Based on this article