const cloud.google.com/go/compute/metadata.userAgent

3 uses

	cloud.google.com/go/compute/metadata (current package)
		metadata.go#L48: 	userAgent = "gcloud-golang/0.1"
		metadata.go#L132: 		req.Header.Set("User-Agent", userAgent)
		metadata.go#L306: 	req.Header.Set("User-Agent", userAgent)