Quick walkthrough of a problem on a 3 node elasticsearch cluster first noticed with the generic yellow/red cluster warning. The chain of events causing the problem looks like…

Basically, a RabbitMQ image that uses confd to capture some environment variables to set itself up. All sorts of queues, bindings, vhosts, users, etc can be set up using this method.

Operations people, we love to automate. In the case of continuous integration we want to be able to deploy to production, every day, multiple times a day. Our commits trigger building, testing and deploying through a pipeline untouched by human hands. Or, so the theory goes…