* Create and mount persistent disk to store zebrad state, update runner container config to use
* Enable checkpoint sync in zebrad image config
* Lower state memory cache from 500MB to 50MB
* Upgrade host to n2-standard-4
* Bump zebrad-cache disk size to 100GB
* Copy zebrad as the tests are compiled with a hardcoded path to it
* Rename all debug binaries for easy invocation
* Name state cache disk, use the correct path to binaries
* Create volume and all that jazz on instance creation
Otherwise there's a lot of on-instance commands to do that is just handled by this shortcut.
* Explicitly mount the state cache and cleanup test instance
* Wait for zebra-test container to start then attach
* Always clean up even if the tests step fails
* Keep fast sleep but only print 'waiting' once
* Fix variable substitutions in CD workflow and gcloud build config
* Docker needs everything lowercase
* Store container image in GCR
* Don't use GITHUB_REPOSITORY
Deirdre Connolly
Deirdre Connolly