I don't understand the failure condition, can you clarify?  

What do you mean "wrong path"? Like a path that exist but wasn't your intended file? A file that has uploaded before?  This kind of sounds WAI.

Going forward though, we now recommend using CIPD for binary packages since it has better versioning (tags!), security (real acls!), and performance (downloads are supported natively in gclient, with parallel downloads).

An invalid path: no file exists there. The file had not been previously uploaded. 

If upload_to_google_storage.py is no longer the recommended script, what should the documentation here suggest? https://sites.google.com/a/chromium.org/dev/developers/telemetry/record_a_page_set

I don't know, I don't manage telemetry, but it looks like switching to cipd is on the radar: 782391

Hey, I will look into this.

Note that this is from the discussion: https://groups.google.com/a/google.com/forum/?utm_medium=email&utm_source=footer#!msg/chrome-benchmarking/cyJHxtAemLY/AlgyorxmAgAJ