Harnas percona (#513)
Harnas percona (#513)

* Export INSTALL_PERCONA_TOOLKIT VMs metadata attribute into VMs environment

* Export INSTALL_PERCONA_TOOLKIT VMs metadata attribute into VMs - again

* Just initialize tests for build

* Restarting build process

GoogleCloudPlatform/click-to-deploy,GoogleCloudPlatform/click-to-deploy,GoogleCloudPlatform/click-to-deploy,GoogleCloudPlatform/click-to-deploy,GoogleCloudPlatform/click-to-deploy,GoogleCloudPlatform/click-to-deploy