Venv check download downloads from a different place than the actual download occurs due to - "lookup" usage

[Rick Box]

The following line is causing issues with our deploy ( this is repeated in numerous other places ).

https://github.com/openstack/openstack-ansible-os_cinder/blob/master/tasks/cinder_install.yml#L95

Since our deployment host is on entirely different network than the host it is performing the get_url from. When this lookup occurs it happens on the deployment host where the get_url happens on the actual host where the playbook is running.

This results in a failed checksum for us since our deployment host cannot access the internal side of the load balancer.

A simple fix for this is to split out the retrieving of the checksum rather than use "Lookup"

[Rick Box (rickbox-bbcrd)]

And proposed fix:

https://review.openstack.org/463311

[Jesse Pretorius (jesse-pretorius)]

This has been resolved with this series of patches: https://review.openstack.org/#/q/topic:venv_checksum_fix