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WireGuard full mesh configuration generator.
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wireguard_mesh_configurator.py 1.2.0 added profile JSON support, added alias and description May 16, 2019

README.md

WireGuard Mesh Configurator

On the Horizon: wg-dynamic

wg-dynamic is a tool designed officially by WireGuard developing team. This new utility will provide a convenient way of configuring networks dynamically, where mesh network being one of the them. If you're interested, check it out at wg-dynamic@github or wg-dynamic@official repository).

1.2.0 (May 16, 2019)

  • You can now set Aliases and Descriptions for peers.
  • Profiles can now be saved and loaded in JSON format.

1.1.7 (Feburary 20, 2019)

  • Public address can now be either FQDN or IP address, as requested by @KipourosV

Introduction

WireGuard mesh configurator is a tool that will help you generating peer configuration files for wireguard mesh networks. You generate configuration files for a large amount of peers easily and quickly via this tool.

Prerequisites

System Packages

Package Explanation Example
ncurses dev package Required by the installation of the Python readline library. libncurses5-dev on Debian

Python Libraries

The following libraries can be installed easily through executing pip3 install -r requirements.txt under the root directory of this repository.

Package Explanation
avalon_framework Command line I/O library
readline For better interactive command line interface
netaddr For calculating IP addresses

Learn By An Example

In this section, we will be going through how to configure a mesh network with the topology shown below using wireguard mesh configurator (this tool, WGC).

example_topology

Step 1: Create a Profile

Launch the WGC interactive shell. This will be where you give instructions to WGC.

$ python3 wireguard_mesh_configurator.py int

Every profile in WGC contains a complete topology. To create a new mesh network, we start by creating a new profile. Once a profile is created, you will be prompted automatically to enroll new peers. This leads us to the next step.

[WGC]> new

step1

Step 2: Enroll Peers

Now that a profile has already been created, we need to input peers' information into WGC, so it knows the layout of the network.

enroll_peers

Step 3: Export Configurations

Now that we have all the peers in the profile, it's time to export everything into wireguard configuration files. We can dump configuration files into a directory using the GenerateConfigurations command. The following command will dump all the configuration files into the /tmp/wg directory.

[WGC]> gen /tmp/wg

gen_config

We can also take a look at the generated configuration files.

generated_configs

Step 4: Copy Configuration Files to Endpoints

With the configuration files generated, all that's left to do is to copy the configuration files to the endpoints. Copy each configuration to the corresponding device with any method you like (sftp, ftps, plain copy & paste, etc.).

Put the configuration file to /etc/wireguard/wg0.conf is recommended, since it will make us able to use the wg-quick command for express configuration.

Step 5: Enable WireGuard and Apply the Configuration

Lets tell wireguard to create an interface with this configuration and make it a service, so the interface will be created as system is booted up.

$ sudo wg-quick up wg0
$ sudo systemctl enable wg-quick@wg0

apply_enable

You can then verify the wireguard status via the wg command.

$ sudo wg

wg_status

Step 6: Saving and Loading Profiles

We can save a profile for future use using the SaveProfile command. The following example will save the profile to /home/k4yt3x/example.pkl.

[WGC]> save /home/k4yt3x/example.pkl

To load the profile, just use the LoadProfile command.

[WGC]> load /home/k4yt3x/example.pkl

Then you can use ShowPeers command to verify that everything has been loaded correctly.

[WGC]> sh

saving_loading

That concludes the "Learn By An Example" section. Hope it helps.

Detailed Usages

Installing WGC

Clone the repository and enter it.

$ git clone https://github.com/K4YT3X/wireguard-mesh-configurator.git
$ cd wireguard-mesh-configurator/

Install Python 3 dependencies.

$ sudo pip3 install -r requirements.txt

Run the tool.

$ python3 wireguard_mesh_configurator.py interactive

or

$ python3 wireguard_mesh_configurator.py int

Creating A Profile

Run the NewProfile command to create a new profile.

[WGC]> NewProfile  # Create new profile

Then the peer enrolling wizard will ask you for all the information needed for all the peers. Select n when being asked if you want to add a new peer to end the wizard.

Adding a Peer

Use the AddPeer command to initialize the wizard of appending a new peer to the profile.

[WGC]> AddPeer

Deleting a Peer

Use the DeletePeer command to remove a peer from the profile.

[WGC]> DeletePeer [Peer Address (e.g. 10.0.0.1/8)]

Generating Configurations

Run the following command to dump your currently-loaded profile into configuration files and export them to output path.

[WGC]> GenerateConfigurations [output path]

Viewing All Peers

To view all the peers configurations in the current profile:

[WGC]> ShowPeers

Saving / Loading Profiles

To save a profile in JSON format:

[WGC]> JSONSaveProfile [output path]

To save a profile in Pickle format:

[WGC]> PickleSaveProfile [output path]

To load a profile in JSON format:

[WGC]> JSONLoadProfile [output path]

To load a profile in Pickle format:

[WGC]> PickleLoadProfile [output path]
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