The octavia-amphora-image-build periodic job fails with
The task includes an option with an undefined variable. The error was:
'amphora_os' is undefined
This issue was introduced in Ic1ec002062f91b7d3a43669e86380a2ffbdd7b18
We must keep the definition of the amphora_os and amphora_os_release
variables in the parent octavia-amphora-image-build job.
Change-Id: I51d2c011f123e7d8b90b5cea9ba875052d7837a3
cd1646cec4