https://koper.dev/tags/ansible/Recent content in Ansible on koper.devHugoenTue, 29 Sep 2026 09:00:00 +0200https://koper.dev/posts/openbao-secrets-kubernetes-ansible/Tue, 29 Sep 2026 09:00:00 +0200https://koper.dev/posts/openbao-secrets-kubernetes-ansible/My Kubernetes Secrets were made by hand with kubectl, and my Ansible repo carried passwords in plain text. Over two days they all moved into OpenBao. Git now says which secrets exist; OpenBao holds the values, audits every read, and nothing restarted on the way. This is the long version: the design, the four plans, the migration waves, and everything that bit me.https://koper.dev/posts/checkmk-to-kube-prometheus-stack/Mon, 07 Sep 2026 16:30:00 +0200https://koper.dev/posts/checkmk-to-kube-prometheus-stack/The Kubernetes cluster already ran kube-prometheus-stack. Two Checkmk VMs watched everything else. Over two days I moved hosts, websites and services into the one stack, in three slices, and then switched Checkmk off. Here is the plan, the tricks, and the list of things that went wrong.