Automated way to build a bootable linux image for use by the Manila generic driver.

Gerrit User 22348 3b802794ea Update patch set 1 ... Patch Set 1: Verified+2 Build succeeded (gate pipeline). - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/9c44588bcc6f4fce8b5c0989cb7fa1cb : SUCCESS in 3m 46s - openstack-tox-pep8 https://zuul.opendev.org/t/openstack/build/3a910833b9f94642aea30df07eb0f200 : SUCCESS in 3m 34s - manila-image-elements-buildimages https://zuul.opendev.org/t/openstack/build/160883f0277b43e4be95581cda8a3d56 : SUCCESS in 13m 55s Patch-set: 1 Tag: autogenerated:zuul:gate Reviewer: Gerrit User 22348 <22348@4a232e18-c5a9-48ee-94c0-e04e7cca6543> Label: Verified=+2		2021-08-13 11:45:44 +00:00