Imports cloud.google.com/go/storage github.com/satori/go.uuid golang.org/x/net/context golang.org/x/oauth2/google google.golang.org/api/cloudbuild/v1 google.golang.org/api/googleapi google.golang.org/api/storage/v1 Standard library imports archive/tar compress/gzip encoding/json errors flag fmt io log net/http os path/filepath time