We want to deploy a simple (read: development) instance of MongoDB in our Kubernetes cluster with as little work as possible. Additionally, we'd like to make that MongoDB deployment available to services outside the k8s cluster but not outside our VPC
Use Bitnami's MongoDB helm chart to deploy …
read moreNote: This will be light on details. The exact commands to run, unfortunately, are an exercise left to the reader. This post is more of a tactical guideline to jog your memory. The author regrets the lack of detail.
Creating your k8s clusters is just the first step. How …
read moreWe have Jenkins. We also have a need to build and deploy a typical application (in this case, a Java application). We need a way to go from "I just installed Jenkins" to "We have a Jenkins pipeline that can build and deploy our code".
We will install …
read moreIt was recently brought to my attention that this problem is probably solved by using certstrap, courtesty of Square. If you're in a hurry, I'd encourage you to go and give that a try first.
Link: https://github.com/square/certstrap
I'm leaving the below for posterity and pedagogical …
read moreAs of this writing, the docs for deploying PCF on Amazon using Terraform have a gap that could lead to a lot of frustration. In short, the Terraform files and docs have switched to using Network Load Balancers instead of 'Classic', Elastic Load Balancers. The end result is there …
read moreWe have an offline (i.e. airgapped) Ubuntu machine (or machines) and the need to install packages on them. We also are unable to stand up our own repo mirror (because reasons), so all we have is our single machine with limited disk space.
Package up only the …
read moreWe need to make several Certificate Signing Requests (CSRs) for our datacenter. Two, or two-thousand, it doesn't matter. We're putting together a one-liner that will solve it for us. Of course we're automating it.
Create a text file containing your server short names. Say, servers.txt.
salt-master-01
es-data-01 …In keeping with the fundamentals, here's a handy one-liner to save yourself a few extra commands.
We want to delete a number of machines via Salt Cloud, but we want it in a one-liner because we hate typing the same thing over and over.
$ salt-key
Accepted Keys:
esdata-01
esdata-02 …Salt has moved on from simple configuration management and is better described as "event-driven automation". At the heart of this argument is the message bus.
A typical follow up to getting your hands around your internal cloud is going to be management of your network space. Let's go through …
read moreIt turns out that there are a lot of nuances when using Saltstack with VMWare. Let's walk through the requirements for successfully using Saltstack to deploy VMs on VMWare.
To narrow the scope of this post, we'll assume the following is already taken care of.