prow/spyglass/gcsartifact_fetcher.go
func (src *gcsJobSource) canonicalLink() string {
	return path.Join(src.linkPrefix, src.bucket, src.jobPrefix)
}
func (src *gcsJobSource) canonicalLink() string {
	return path.Join(src.linkPrefix, src.bucket, src.jobPrefix)
}
// CanonicalLink gets a link to the location of job-specific artifacts in GCS