OVS upgrade jobs failed due to assigning an IP on the br-ex interface
(which is recycled during OVS upgrade). This change introduces a bridge
and veth pair for Neutron to use.
Change-Id: Ib3bee6e810fb8d31552d4c72c2a1ccae382c51f0
This is to allow CI testing of network connectivity.
Note only "primary" node gets an address on it.
Hence, "primary" becomes our fake external router.
Depends-on: https://review.opendev.org/709361
Change-Id: I05592888796107d6de95b940c42b2bff73ac0669
Separate upgrade logic to is_upgrade job var and rename
scenarios to match.
Rename "ACTION" to "SCENARIO" (as it is a scenario).
Separate testing of dashboard (aka Horizon) and increase
its timeout to 5 minutes (CentOS 7 slow as always).
Separate initialization of core OpenStack.
Use gate setup script from ./tests/
Remove useless tox setupenv.
Do not deploy Heat when not really necessary.
Change-Id: I4fca319ccc3de7188f8b7b44c9c71321e3899467
