Flux is a set of continuous and progressive delivery solutions for Kubernetes that are open and extensible. Overview Flux is developed by keeping the GitOps notion in mind, and GitOps is a way of managing your infrastructure and applications so that the whole system is described declaratively and version controlled (most…

How to use AWS IAM to grant access to a Kubernetes cluster. Overview This article is about the usage of AWS IAM for authenticating to a Kubernetes cluster. Most of the things are available in the KOps and AWS IAM authenticator documentation but in this story I will discuss how to…

Develop a google chatbot for automation. Overview DevOps engineers need to automate a lot of recurring tasks to make the life of other teams easier. Automation includes enabling developers to deploy specific branches for testing, whitelist IP for some internal services, and access VPN, etc. A lot of engineering teams use…

Overview This story is about how to utilize git hooks in order to add branch name to each commit. I have used the script from this article and modified it to my needs to minimize the restrictions. Details Follow the instruction given below to enable it: Move inside your repository’s home directory. …

Overview This story is about how to easily manage multiple versions of python on the system level. Secondly, how to install package versions globally and locally(on virtual environments) There is a solution already available named pyenv to manage the versions. But I want to access the python version on system-level and…

This story is about slack username modifications Overview Slack username is used for different purposes i.e when developing slack commands we can use usernames to manage the access to commands. Sometimes it becomes difficult to figure out where to look when it needs to be updated. This story is about…

How to use Step Functions to extend Lambda functionality. Overview AWS Lambda is a great service to run your code in a serverless environment. But it also has its own shortcomings like state management and limited execution time. Currently, Lambda’s max execution time is 15 mins, which means we…

Overview In this story, I will explain how to better utilize AWS Elasticsearch Service Shards. The approaches discussed are based on specific use cases, it might not be feasible for every use case. Problem/Limitation AWS Elasticsearch service has a hard limit of 1000 shards per data node. It can be increased…

Overview There are multiple ways to secure the AWS API Gateway. I used the API Key to secure it. I integrated API Gateway with Lambda, so I will discuss things in Lambda’s context. Pre Requisites Go through this AWS API Gateway’s documentation to grasp the basic understanding. Details Create a Lambda and add a…