Heavily-loaded workers in CI consistently fail to complete the
service checkin task, which is configured for every ten seconds in
nova and cinder. This generates additional load on the database server
as well as consumes a threadpool worker. If we're not making the
deadline, there's really no point in having it be so high. Further,
since the workers must remain up for all the tempest tests we're
running against them, there's really no benefit to a fast-fail
detection.
This sets the report_interval to 120s for nova and cinder, and sets
service_down_time to 6x that value, which is consistent with the
default scale.
Depends-On: https://review.opendev.org/c/openstack/tempest/+/890448
Change-Id: Idd7aa1daf354256b143a3778f161cfc72b318ea5
3832ff52b4