2022

An Amazingly fast way to create Virtual machines

If you create Virtual machines often and manually install the same tools repeatedly, this post is for you. Using ansible, I have written a simple playbook to create the virtual machines within seconds. The playbook would automatically install any desired software you want. The playbook would also run any command you would like to execute …

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Running Ansible Semaphore for GUI in Kubernetes

There are Multiple choices are available to run ansible playbooks via GUI, like AWX, Ansible tower, ansible semaphore, etc. However, this post will demo how to set up an ansible semaphore pod in the Kubernetes cluster. At the time of writing this post, the official document of ansible semaphore provides the following installation methods: Installing …

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How to simulate traffic in Kubernetes cluster?

This post will show the most straightforward yet extremely powerful way to simulate traffic load in your environment, including the Kubernetes cluster. We will be using fortio for traffic generation for desired duration and requests per second. To see fortio in action, let’s see an example:we assume our application is an Nginx pod and will …

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canary deployment and traffic distribution in Kubernetes

This post will cover a basic example of canary deployment using istio in the Kubernetes cluster. In canary deployment, the software update is rolled out to a small portion of the users, so the developers can analyze the performance and work on the provided feedback without impacting all the users. Once the developers are happy …

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How to use callback plugins in ansible

Ansible is highly configurable and extendable for users. This post will show us how to use the callback plugins(shipped with ansible) to extend the playbooks. Ansible ships with many great callback plugins, a majority of these plugins are to control the output format of the playbook or to generate some sort of notification. Some examples …

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