Pinterest has recently announced that it will open source its deployment automation tool – Teletraan.
Netflix posted a good article about how to analyze Linux performance issues using the following commands:
Conn-check is a small and simple utility for checking connectivity for environments. It can check connectivity for TCP, UDP, web and other services.
Cucumber Supports Ruby, Java, Jython and more.
Simple Black Box enables testing an application by checking it’s logs, standard out, ports it’s listening, number of processes etc. It will check for the presence of strings in it’s logs or stdout, and print messages. In case of an error, it can pause the appication to let the developer inspect the problem.
Blueprint (https://github.com/devstructure/blueprint) checks the changes that have made in the configuration files on a RPM or Debian based Linux, and saves them as an executable shell script, or push them to a remote server.