Hello Everyone,

We have all patches merged now for legacy job migration to bionic.

All the legacy and zuulv3 native jobs are running on Bionic in stable/stein onwards. This means we
have completed our stein testing runtime[1] in OpenStack as a whole.

Thanks a lot to all of the teams for such nice coordination.

Summary:
- Started this migration very late in stein (in Dec 2018)
- FInished migration in 2 part. 1. zuulv3 native job migration, 2. legacy jobs migration.
- networking-midonet bionic jobs are n-v as it is not yet ready on bionic.
- ~50 patches merged to migrate the gate jobs
- ~ 60 DNM testing patches done before migration happens
- We managed no big gate break for any project. Except for Cinder which was for 1 day I think.

Ref:
- https://review.openstack.org/#/q/(topic:legacy-job-bionic+OR+topic:legacy-job-bionic-done)
- https://review.openstack.org/#/q/topic:devstack-bionic
- http://lists.openstack.org/pipermail/openstack-discuss/2019-March/004268.html
- http://lists.openstack.org/pipermail/openstack-discuss/2019-March/003598.html
- https://etherpad.openstack.org/p/legacy-job-bionic
- http://lists.openstack.org/pipermail/openstack-discuss/2018-December/000837.html
- https://etherpad.openstack.org/p/devstack-bionic


[1] https://governance.openstack.org/tc/reference/runtimes/stein.html

 -gmann