Carlos Mendible

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Recently I learned about GitOps which is a way to manage your Kubernetes clusters and the applications you run on top using Git. The idea is that you can declaratively describe the desired state of your systems in Git and roll out changes as soon as merges occur. You can immediately see the main benefits of such an approach: Your Git repositories become the single source of truth for both your infrastructure and application code, allowing the teams to increase productivity and stability (you get the Git log to audit changes).

Two weeks ago I got an email message from Microsoft Azure explaining that Azure Kubernetes Services had been patched but that I had to restart my nodes (reboot the clusters) to complete the operation. The first thing you need to know is that, when things like this happens, the Azure platform creates a file called /var/run/reboot-required in each of the nodes of your cluster.

After collaborating with the Azure Ansible container I decided to also develop a Developer Container for those who want or need to use the Azure Blockchain Development Kit for Ethereum to create smart contracts, taking away the burden of installing Python, Truffle, Ganache and NodeJS on your machine. Once again I collaborated with Chuck Lantz and the container definition resulted in the following two files: