Have you ever been faced with the issue of having to do some automation surrounding the rotation of SSH host keys? Earlier today today I was faced with the problem of a quick and simple way to mass-update the known_hosts file on a large number of Linux machines. I can across this stackflow post which …
Using Ansible to automate large-scale ssh key changes Read More »
Let’s create a conditional resource in Terraform based on a mapped key. Following post used for reference: https://medium.com/@business_99069/terraform-conditional-resources-based-on-a-map-key-a37fd329d3a1 Start with a map data structure in our variable.tfvars: Create a conditional azurerm_network_interface_backend_address_pool_assocation resource based on the value of the “docker_role” key in the above map. The lookup used in the logic below will only return true …
Creating Terraform Conditional resource based on mapped key. Read More »
Sometimes when you are defining infrastructure with Terraform you run into issues that start to require conditional resources. Consider the following problem: You have a virtual machine cluster running in 3 environments in Azure, Test Staging Production These 3 environments are made up of the following resources — Azure Virtual Machine Resource Azure Availability Set …
Dealing with conditional Terraform Resources on Azure using Availability Sets Read More »
I’m a massive fan of using Home Assistant for running all aspects of my “smart home” automation routines. This weekend I decided to put up some spare RGB light strips around my patio. In the span of about 1 hour, I’ve got a LED Strip solution that is entirely controlled by open source software, run …
Azure Powershell runbooks are cool. I’ve been exploring using them as a way to avoid using a dedicated VM for running simple PowerShell Scripts in Azure. I have a group of instances that are running from a dedicated Scale Set that I need to reboot nightly. It’s pretty easy to get this going. You can …
Using Azure Runbooks to automate scale set operations with Powershell jobs Read More »