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Testributor Agent

[Build Status][testributor] [testributor]:

This is a program that connects to Testributor server and runs Builds for a project specified by APP_ID and APP_SECRET environment variables.


This is the Go version of the Agent originally written as a Ruby gem. It is currently in Beta and it is missing some functionality related to Bare repository projects. It should work for all GitHub and Bitbucket projects so if you find something not working in these cases it is a bug so please open an issue. It will replace the Ruby Agent as soon as it is stable.


This program's functionality is directly related to the functionality offered by Testributor. For this reason, changes on Testributor might trigger changes on the Agent as well. Popular versioning schemes (semantic?) might not make much sense unless they apply to both Testributor and Agent. Versioning of the Agent is under consideration.


If you have suggestions, fixes or anything to add, feel free to open an issue or a Pull Request.

Why Go?

Testributor agent re-written in Go language for maximum portability. The code cross compiles for Linux, Mac and Windows. Although it is possible to run the Agent in Windows, some parts of the code assume a *nix like system and it needs some hackery to make it work. Future versions of the agent will be OS agnostic.


The only dependency of this Agent is Git. It is needed in order to fetch the code of the project. When "git" command is not found in PATH the Agent will try to install it on Debian Linux based systems and Arch linux. This means that users can use most of the public images in and other docker hosting services without modifications (no need to create a custom image). In the future more OS' and distributions might be supported.

Is it safe to run the Agent on my system?

Any changes made by the Agent to the filesystem (files and directories created) are prefixed with "testributor" to avoid touching any existing files. You should only worry if you name your files like "testributor_my_wedding_video.ogv" which is very unlikely. Also be careful when using the TESTRIBUTOR_PROJECT_DIRECTORY environment variable (see next section).

Files and directories created by this Agent:

  • ~/.ssh/testributor_id_rsa : the private ssh key with access to the project's repository
  • ~/.ssh/ : the public ssh key for the project's repository
  • testributor_ssh_config : To avoid prompts for new hosts we use this config file. We don't mess with the default ssh configuration file.
  • ~/.ssh/ : this is set as the GIT_SSH environment variable and makes sure our SSH keys and configuration file are being used.
  • ~/.testributor/ : This is the default path where the agent clones the project's code. It can be overriden by TESTRIBUTOR_PROJECT_DIRECTORY environment variable. This directory includes your project's files, any files created through the Web UI on testributor, and a couple of helper files created by the agent.

NOTE: The agent never sends your code neither to Testributor nor to any other place on Earth. Your code will only be fetched on the computer where you run the Agent so make your own security decisions.

Environment variables

To connect the agent with your project you need to specify the APP_ID and APP_SECRET environment variables to the values you will find in Settings -> Worker setup on Testributor's dashboard.

If your project needs to be cloned in a specific path (for example Go applications use a standard directory structure), you can use TESTRIBUTOR_PROJECT_DIRECTORY environment variable. It will be created when the Agent starts along with any missing directories (deep create). Make sure you don't overwrite a directory with this value.


The official Testributor agent




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