Provisioning cluster of VMs with Ansible

ansible cluster

Seeing how easy it was to provision one VM with Ansible, I can’t stop thinking: would it be as easy to deal with the whole cluster? After all, the original example I was trying to move to Ansible had three VMs: one Consul server and two worker machines. The server is ready, so adding two more machines sounds like an interesting exercise to do. So… let’s begin?

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What exactly is Kubernetes

kubernetesKubernetes (or K8s) is another tool for orchestrating containerized apps in a cluster. It’s job is to find the right place for a container, fulfill its desired state (e.g. “running, 5 replicas”), provide a network, internal IP, possibly, access from outside, apply updates, etc. Originally developed by Google, now Kubernetes is open source. Continue reading “What exactly is Kubernetes”