Comment by rombr

Loving it! Works nicely for k8s:

  (base)   ~ g get the image ids of all pods running in all namespaces in kubernetes
    kubectl get pods --all-namespaces -o jsonpath="{..imageID}"
  sha256:b19406328e70dd2f6a36d6dbe4e867b0684ced2fdeb2f02ecb54ead39ec0bac0 
  sha256:b19406328e70dd2f6a36d6dbe4e867b0684ced2fdeb2f02ecb54ead39ec0bac0