update_cvm_foundation.yml

cvm_creds: &cvm_creds
  # Specify a user with permission to make API calls.
  cvm_credential: cvm_credential # credential reference from "vaults" in global.yml file
foundation: &foundation
  foundation_build_url: http://url-path-to-foundation-tar/ # url path to download the foundation tar file
  foundation_version: "5.x" # Foundation version to be updated to in CVM
nameserver: &nameserver
  nameserver: valid-nameserver # Optional. Provide a nameserver, if nameserver needs to be added to /etc/resolv.conf to download the tar file from the webserver
cvm_downgrade: &cvm_downgrade
  downgrade: True # Optional, set to downgrade as True when the foundation version needs to be downgraded.

cvms:
  valid-cvm01-ip:
    # Use global cvm creds
    <<: *cvm_creds
    # Use global nameserver
    <<: *nameserver
    # Use global foundation config
    <<: *foundation
  valid-cvm02-ip:
    cvm_credential: cvm_credential # credential reference from "vaults" in global.yml file
    nameserver: valid-nameserver # Optional. Provide a nameserver, if nameserver needs to be added to /etc/resolv.conf to download the tar file from the webserver
    # Use global cvm_downgrade. This is optional, set to downgrade as True when the foundation version needs to be downgraded.
    <<: *cvm_downgrade
    foundation_build_url: http://url-path-to-foundation-tar/ # url path to download the foundation tar file
    foundation_version: "5.x" # Foundation version to be updated to in CVM