If you are working with Kubernetes environment then you probably make use of several existing templating tools, some of them being a part of package managers such as Helm or Ksonnet, or just templating languages (Jinja2, Go template etc.). All of them have their own drawbacks as well as advantages and we are going to go through them and write our own tool that will try to combine the best features.

Привет всем!

Я хочу поделиться с вами тем, как легко можно написать свой экспортер для Prometheus на Golang и покажу как это можно сделать на примере небольшой программы, которая следит за тем, откуда географически установлены текущие TCP соединения.