[pkkm]

Programming with string templates, in a highly complex and footgun-rich markup language, is one of the things I find most offputting about the DevOps ecosystem.

[sph]

I believe Satan itself decided to mix YAML, Jinja and Turing-complete logic when it created Ansible. It truly is the sendmail of the modern era.

[senderista]

Several years ago when I was writing a deployment system for a cloud distributed database, I tried to automate everything with Ansible playbooks and the Ansible "API" (LOL). I pretty quickly gave up on implementing anything but the most trivial logic in templated YAML and switched to Python (wrapping maximally-dumb Ansible playbooks) for everything nontrivial.

[Fizzadar]

You might like pyinfra.

[nicktelford]

This is why I generally use Terraform for Kubernetes. It's not perfect, but it's miles better than the various different YAML-templating solutions (Kustomize, Helm) popular in the Kubernetes ecosystem.

[mdaniel]

Two different stateful recordkeeping control planes with disparate opinions about the current state of the world. What can go wrong.