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Velopsipede/Picycle

This is the code that powers the Velopsipede. The Velopsipede is a bicycle connected to a Raspberry Pi. It was born as a hack day project at Cozy.

The Velopsipede powers the deploy process for Cozy's marketing website. When someone has changed the content on the QA/development branch of our site, and they wish to deploy those changes to the live production site, they can do so by riding the Velopsipede.

A successful ride of the Velopsipede triggers a merge of the develop branch to the master branch of the configured github_repo. It takes a picture of the rider and uploads it to Imgur. Finally, it posts a message to Slack with the details of the merged changes along with the rider photo.

Development

Dependencies

  • A ruby environment with bundler
  • dialog unix tool. brew install dialog in OSX, should be installed on most unixen.

Usage

Create a config file at ~/.picycle.yml containing keys:

---
github_repo: myorg/myapp             # GitHub repo in which we will merge develop to master
github_access_token: vn5o784vgo48v   # GitHub API access token
imgur_api_client_id: b38967d8200     # Imgur Client ID for anonymous uploads
slack_webhook_url: https://hooks.slack.com/services/BLAH  # Slack webhook URL
slack_channel: '#general'            # Slack channel
bundle install --without piface # (for local development, obviously we need piface on the Pi)
bundle exec bin/picycle

Production

  • Runs on a Raspberry Pi with the Piface I/O board.
  • Green LED on relay output 0
  • Yellow LED on relay output 1
  • Momentary magnetic proximity switch on input 0
  • Enable SPI Pins