All the images follow the same naming schema where the container
name is part of the ansible variable name. Currently, the
kolla_toolbox container is named ansible_image_full. Change
this to match what the container name is.
Could impact operators who are specifying ansible_image_full
in globals.yml.
TrivialFix
Change-Id: I9f0cbe4bd69ce17489310a1f5734a254e6ebe27b