Thanks for your interest in contributing to NetBird.
There are many ways that you can contribute:
- Reporting issues
- Updating documentation
- Sharing use cases in slack or Reddit
- Bug fix or feature enhancement
If you haven't already, join our slack workspace [here](https://join.slack.com/t/netbirdio/shared_invite/zt-vrahf41g-ik1v7fV8du6t0RwxSrJ96A), we would love to discuss topics that need community contribution and enhancements to existing features.
## Contents
- [Contributing to NetBird](#contributing-to-netbird)
This project and everyone participating in it are governed by the Code of
Conduct which can be found in the file [CODE_OF_CONDUCT.md](CODE_OF_CONDUCT.md).
By participating, you are expected to uphold this code. Please report
unacceptable behavior to community@netbird.io.
## Directory structure
The NetBird project monorepo is organized to maintain most of its individual dependencies code within their directories, except for a few auxiliary or shared packages.
The most important directories are:
- [/.github](/.github) - Github actions workflow files and issue templates
Follow the installation guide from https://go.dev/
#### UI client - Fyne toolkit
We use the fyne toolkit in our UI client. You can follow its requirement guide to have all its dependencies installed: https://developer.fyne.io/started/#prerequisites
#### gRPC
You can follow the instructions from the quickstarter guide https://grpc.io/docs/languages/go/quickstart/#prerequisites and then run the `generate.sh` files located in each `proto` directory to generate changes.
> **IMPORTANT**: We are very open to contributions that can improve the client daemon protocol. For Signal and Management protocols, please reach out on slack or via github issues with your proposals.
#### Docker
Follow the installation guide from https://docs.docker.com/get-docker/
#### Goreleaser and golangci-lint
We utilize two tools in our Github actions workflows:
- Goreleaser: Used for release packaging. You can follow the installation steps [here](https://goreleaser.com/install/); keep in mind to match the version defined in [release.yml](/.github/workflows/release.yml)
- golangci-lint: Used for linting checks. You can follow the installation steps [here](https://golangci-lint.run/usage/install/); keep in mind to match the version defined in [golangci-lint.yml](/.github/workflows/golangci-lint.yml)
They can be executed from the repository root before every push or PR:
**Goreleaser**
```shell
goreleaser --snapshot --rm-dist
```
**golangci-lint**
```shell
golangci-lint run
```
### Local NetBird setup
> **IMPORTANT**: All the steps below have to get executed at least once to get the development setup up and running!
Now that everything NetBird requires to run is installed, the actual NetBird code can be
checked out and set up:
1. [Fork](https://guides.github.com/activities/forking/#fork) the NetBird repository
If you prefer using a dev container for development, NetBird now includes support for dev containers.
Dev containers provide a consistent and isolated development environment, making it easier for contributors to get started quickly. Follow the steps below to set up NetBird in a dev container.
#### 1. Prerequisites:
* Install Docker on your machine: [Docker Installation Guide](https://docs.docker.com/get-docker/)
* Install Visual Studio Code: [VS Code Installation Guide](https://code.visualstudio.com/download)
* If you prefer JetBrains Goland please follow this [manual](https://www.jetbrains.com/help/go/connect-to-devcontainer.html)
#### 2. Clone the Repository:
Clone the repository following previous [Local NetBird setup](#local-netbird-setup).
#### 3. Open in project in IDE of your choice:
**VScode**:
Open the project folder in Visual Studio Code:
```bash
code .
```
When you open the project in VS Code, it will detect the presence of a dev container configuration.
Click on the green "Reopen in Container" button in the bottom-right corner of VS Code.
**Goland**:
Open GoLand and select `"File" > "Open"` to open the NetBird project folder.
GoLand will detect the dev container configuration and prompt you to open the project in the container. Accept the prompt.
#### 4. Wait for the Container to Build:
VsCode or GoLand will use the specified Docker image to build the dev container. This might take some time, depending on your internet connection.
#### 6. Development:
Once the container is built, you can start developing within the dev container. All the necessary dependencies and configurations are set up within the container.
> Windows clients have a Wireguard driver requirement. You can download the wintun driver from https://www.wintun.net/builds/wintun-0.14.1.zip, after decompressing, you can copy the file `windtun\bin\ARCH\wintun.dll` to the same path as your binary file or to `C:\Windows\System32\wintun.dll`.
> To test the client GUI application on Windows machines with RDP or vituralized environments (e.g. virtualbox or cloud), you need to download and extract the opengl32.dll from https://fdossena.com/?p=mesa/index.frag next to the built application.
sudo ./client up --log-level debug --log-file console
```
> On Windows use a powershell with administrator privileges
#### Signal service
To start NetBird's signal, execute:
```
cd signal
go build .
```
To start NetBird the signal service:
```
./signal run --log-level debug --log-file console
```
#### Management service
> You may need to generate a configuration file for management. Follow steps 2 to 5 from our [self-hosting guide](https://netbird.io/docs/getting-started/self-hosting).
CGO_ENABLED=0 GOOS=windows GOARCH=amd64 go build -o netbird.exe ./client/
mv netbird.exe ./dist/netbird_windows_amd64/
```
> Windows clients have a Wireguard driver requirement. You can download the wintun driver from https://www.wintun.net/builds/wintun-0.14.1.zip, after decompressing, you can copy the file `windtun\bin\ARCH\wintun.dll` to `./dist/netbird_windows_amd64/`.
As a critical network service and open-source project, we must enforce a few things before submitting the pull-requests:
- Keep functions as simple as possible, with a single purpose
- Use private functions and constants where possible
- Comment on any new public functions
- Add unit tests for any new public function
> When pushing fixes to the PR comments, please push as separate commits; we will squash the PR before merging, so there is no need to squash it before pushing it, and we are more than okay with 10-100 commits in a single PR. This helps review the fixes to the requested changes.
## Other project repositories
NetBird project is composed of 3 main repositories:
- NetBird: This repository, which contains the code for the agents and control plane services.
- Dashboard: https://github.com/netbirdio/dashboard, contains the Administration UI for the management service
- Documentations: https://github.com/netbirdio/docs, contains the documentation from https://netbird.io/docs
## Contributor License Agreement
That we do not have any potential problems later it is sadly necessary to sign a [Contributor License Agreement](CONTRIBUTOR_LICENSE_AGREEMENT.md). That can be done literally with the push of a button.
A bot will automatically comment on the pull request once it got opened asking for the agreement to be signed. Before it did not get signed it is sadly not possible to merge it in.
