finn-ci

commands

• fail-fast: Travis won't fail the build if part of an array of scripts fails, this stops it on-failure
• run-if: Conditional build command that will stop the build (with a success) unless the conditions are met
• parse-output: Reads regex specifications from a JSON file, parses the command for those regexes, and writes any results back to the file
• notify-pipeline: Uses the results that parse-output wrote and notifies Pipeline of success/failure

goals

• Make CI tooling understandable and easy - both by relying on existing documentation and by providing tiny/easy-to-understand tools
• Enable build short-circuiting - stopping a build as soon as possible if it isn't applicable
• Take 'the unix approach' to CI tooling - binaries do one task only, keeps overall project size down and makes each tool easy to maintain
• Use CI capabilities where possible for less FINN-specific build language

design choices

These utilities are written in Ruby! Here's some choices/rationale behind that.

• Google says shell scripting for this sort of thing would be a bad time
• Ruby should be available on all Travis languages and developer machines (or trivial to install)
• FINN has some in-house knowledge of Ruby in case these utlities gain wider use
• No gems