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seashell
794 Stars 32 Forks Apache License 2.0 409 Commits 24 Opened issues

Description

☁️ Securely connect anything with WireGuard® and manage all your networks from a single place.

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Drago

A flexible configuration manager for WireGuard networks

Go report: A+ GitHub Gitter

Drago is a flexible configuration manager for WireGuard designed to make it simple to configure secure network overlays spanning heterogeneous nodes distributed across different clouds and physical locations.

In the media: - Linux Unplugged: What's up with WireGuard? - Reddit thread on

r/selfhosted

We are in active development and we welcome contributions from the open-source community.

Features

  • Single-binary, lightweight
  • Encrypted node-to-node communication
  • Support for multiple storage backends
  • Support for multiple WireGuard implementations
  • Dynamic network configuration
  • Automatic key rotation
  • Extensible via REST API
  • Slick management dashboard
  • Automatic IP assignment

Use cases

  • Securely connect IoT devices
  • Build your own cloud with Raspberry Pi's
  • Connect services running on multiple cloud providers
  • Manage access to sensitive services deployed to private hosts
  • Expose development servers for debugging and demonstration purposes
  • Secure home automation, SSH access, etc
  • Establish secure VPNs for your company

Overview

WireGuard® is an extremely simple yet fast and modern VPN that utilizes state-of-the-art cryptography. It aims to be faster, simpler, leaner, and more useful than IPsec. It also intends to be considerably more performant than OpenVPN. WireGuard is designed as a general purpose VPN for running on embedded interfaces and super computers alike, fit for many different circumstances. Initially released for the Linux kernel, it is now cross-platform and widely deployable, being regarded as the most secure, easiest to use, and simplest VPN solution in the industry.

WireGuard presents several advantages over other VPN solutions, but it does not allow for the dynamic configuration of network parameters such as IP addresses and firewall rules. Drago builds on top of WireGuard, allowing users to dynamically manage the configuration of their VPN networks, providing a unified control plane for overlays spanning containers, virtual machines, and IoT devices.

How it works

Drago follows a client-server paradigm, in which a centralized server provides multiple clients running alongside WireGuard with their desired state. The desired state is periodically retrieved from the server and applied to WireGuard running on each node. In other words, the Drago server works as a gateway for accessing network configurations safely stored in a database.



The Drago server exposes a comprehensive API through which these configurations can be retrieved and modified, implements authentication mechanisms to prevent unauthorized access, and provides a slick web UI to facilitate the process of managing and visualizing the state of the user-defined networks.

The Drago client, in turn, runs on every node in the network, and is responsible for retrieving the most up-to-date configurations from the server through the API. Thanks to a simple reconciliation process, the Drago client then guarantees that the WireGuard configurations on each node always match the desired state stored in the database. When running in client mode, Drago also takes care of automatically generating key pairs for WireGuard, and sharing the public key so that nodes can always connect to each other.

The only assumptions made by Drago is (i) that each node running a client has WireGuard available either as a kernel module or userspace application, and (ii) that the Drago server is reachable through the network.

Drago does not enforce any specific network topology. Its sole responsibility is to distribute the desired configurations, and guarantee that they are correctly applied to WireGuard on every single client node. This means that it is up to the user to define how nodes are connected to each other and how the network should look like.

Drago is meant to be simple, and provide a solid foundation for higher-level functionality. Need automatic IP assignment, dynamic firewall rules, or some kind of telemetry? Feel free to implement it on top of the already existing API.

Usage

Usage: drago [--version] [--help]  [options]

Available commands: acl Interact with ACL policies and tokens agent Run a Drago agent agent-info Display status information about the local agent connection Interact with connections interface Interact with interfaces network Interact with networks node Interact with nodes ui Open the Drago web UI version Print the Drago version

Quickstart

A Docker container is provided for those interested in building and running Drago without having to install anything in their systems.

In order to perform a containerized build of Drago's Docker image, run:

$ make container DOCKER=1

This will build a minimal Docker image containing the Drago binary. The

DOCKER
flag ensures that the build takes place within a Docker container, thus removing the entry barrier for potential users.

Once the build process finishes, start the Drago agent in development mode with:

$ docker run -ti -p 8080:8080 drago agent --dev

You can now interact with the system through the Web UI, available at

http://localhost:8080/
. Alternatively, you can also interact with Drago through the command-line interface:
$ docker run --network host drago

Development

In order to develop Drago, your environment should meet the following requirements: - Golang 1.16+ - Node 10.17.0+ - yarn 1.12.3+

For the sake of convenience, the Drago agent can be initialized in development mode, meaning that it will execute both the client and the server logic. To start the Drago agent in development mode, run:

$ go run main.go agent --dev

While the agent is running, Drago's UI will be accessible at

127.0.0.1:8080
. If you see a message instead of the UI, it means that it hasn't been built properly. You can easily build the UI project with:
$ go generate

Note that the

--dev
flag also configures the server to use the in-memory storage backend instead of
etcd
. Therefore, any state will be destroyed whenever the agent is stopped.

To apply independent customizations to client and server, start them with:

$ go run main.go agent --client --config=

and

$ go run main.go agent --server --config=

We also provide the

air.sh
script, which makes use of
comstrek/air
to perform hot-reloading of the Drago agent. When running Drago through the
air.sh
script, the binary will be rebuilt and restarted whenever a change is detected in the codebase.

Web UI

The Drago web UI, can be launched independently from the binary so that developers can benefit from the covenient features offered by React's development server e.g., hot-reloading. To start Drago's UI in development mode and independently from the binary,

cd
into the
/ui/
directory and run:
$ yarn && yarn start

This will download all required dependencies, and launch React's development server. The UI can then be accessed at

http://localhost:3000/ui/
.

While running the Web UI independently from the Drago binary is possible, this subproject still lacks a more sophisticated data mocking mechanism to allow for its independent testing. For those interested in contributing to the UI, we suggest that they first start the Drago agent, and then run the Web UI according to the instructions above.

Build

To build the Drago binary, run:

$ go generate
$ go build

Alternatively, you can build Drago with

make
. To do so, run:
$ make dev

In order to get a comprehensive list of build options, run:

 $ make help

Contributing

  • Fork the project on GitHub
  • Clone your fork:
    git clone https://github.com/your_username/drago
  • Create a new branch:
    git checkout -b my-new-feature
  • Make changes and stage them:
    git add .
  • Commit your changes:
    git commit -m 'Add some feature'
  • Push to the branch:
    git push origin my-new-feature
  • Create a new pull request

Roadmap

  • [ ] Project:

    • [x] Website
    • [x] Documentation
    • [ ] Code coverage
    • [ ] E2E testing
  • [ ] Features:

    • [x] RPC API
    • [ ] Input validation
    • [ ] Node pre-registration
    • [ ] Drago server clustering
    • [x] Fine-grained authorization
    • [x] Etcd storage backend
    • [x] Inmem storage backend
    • [x] Backend API for issuing volatile tokens
    • [ ] Integration of a plugin system
    • [x] Integration with userspace WireGuard implementations
    • [x]
      WireGuard/wireguard-go
    • [x]
      cloudflare/boringtun
    • [ ]
      miragejs
      mocks for testing the UI
    • [ ] Client-side input validation
  • [ ] Improvements:

    • [ ] Repository transactions
    • [x] CLI improvements
  • [ ] Plugins:

    • [ ] Meshing
    • [ ] Leasing
    • [ ] Admission
    • [ ] Notification
  • [ ] Others:

    • [ ] Vault plugin
    • [ ] Terraform provider
    • [ ] go-discover provider

License

Drago is released under the Apache 2.0 license. See LICENSE.

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