I looked at Dhall before. It is a pure language for static configs, right? It can't help me to express "deploy k8s resource, wait for annotation to appear, take

I looked at Dhall before. It is a pure language for static configs, right? It can't help me to express "deploy k8s resource, wait for annotation to appear, take annotation value and use it to deploy infra resource". Wrapping multiple tools in a bash is exact thing I wish I didn't have to do :( If Dhall enables safer bash glue, I'd be happy to read how