github.com/shashidharatd/test-infra@v0.0.0-20171006011030-71304e1ca560/jobs/env/ci-kubernetes-e2e-gce-1-6-1-7-upgrade-cluster-new.env (about)

     1  ### job-env
     2  # Upgrade master and node, in gce(debian), from 1.6 to 1.7, and run skewed e2e tests.
     3  
     4  STORAGE_MEDIA_TYPE=application/vnd.kubernetes.protobuf
     5