[file_crash_bug] KeyError: 'cf_crash_signature'

[suhaibmujahid]

2023-08-29 00:42:33,283 - ERROR - Rule file_crash_bug
Traceback (most recent call last):
  File "/home/rm_bot/bugbot/bugbot/bzcleaner.py", line 844, in run
    self.send_email(date=date)
  File "/home/rm_bot/bugbot/bugbot/bzcleaner.py", line 763, in send_email
    data = self.get_email_data(date)
  File "/home/rm_bot/bugbot/bugbot/bzcleaner.py", line 681, in get_email_data
    bugs = self.get_bugs(date=date)
  File "/home/rm_bot/bugbot/bugbot/rules/file_crash_bug.py", line 88, in get_bugs
    signatures = data_fetcher.analyze()
  File "/home/rm_bot/bugbot/bugbot/crash/analyzer.py", line 909, in analyze
    bugs = self.fetch_bugs()
  File "/home/rm_bot/bugbot/bugbot/crash/analyzer.py", line 883, in fetch_bugs
    ).wait()
  File "/home/rm_bot/bugbot/venv/lib/python3.10/site-packages/libmozdata/bugzilla.py", line 177, in wait
    super(Bugzilla, self).wait()
  File "/home/rm_bot/bugbot/venv/lib/python3.10/site-packages/libmozdata/connection.py", line 135, in wait
    r.result()
  File "/usr/local/lib/python3.10/concurrent/futures/_base.py", line 458, in result
    return self.__get_result()
  File "/usr/local/lib/python3.10/concurrent/futures/_base.py", line 403, in __get_result
    raise self._exception
  File "/usr/local/lib/python3.10/concurrent/futures/thread.py", line 58, in run
    result = self.fn(*self.args, **self.kwargs)
  File "/home/rm_bot/bugbot/venv/lib/python3.10/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
  File "/home/rm_bot/bugbot/venv/lib/python3.10/site-packages/requests/sessions.py", line 710, in send
    r = dispatch_hook("response", hooks, r, **kwargs)
  File "/home/rm_bot/bugbot/venv/lib/python3.10/site-packages/requests/hooks.py", line 30, in dispatch_hook
    _hook_data = hook(hook_data, **kwargs)
  File "/home/rm_bot/bugbot/venv/lib/python3.10/site-packages/libmozdata/connection.py", line 120, in cb
    query.handler(response, query.handlerdata)
  File "/home/rm_bot/bugbot/bugbot/crash/analyzer.py", line 868, in handler
    for signature in utils.get_signatures(bug["cf_crash_signature"]):
KeyError: 'cf_crash_signature'

[suhaibmujahid]

This happens because some bugs do not return the cf_crash_signature filed.

Example: bug 436817

https://bugzilla.mozilla.org/rest/bug/436817?include_fields=id,cf_crash_signature:

{
  "bugs": [
    {
      "id": 436817
    }
  ],
  "faults": []
}

[suhaibmujahid]

Fixed by mozilla-bteam/bmo#2109

[suhaibmujahid]

Happening again (see bug 1854648):

Product: `Firefox for Metro Graveyard` - Bug 853856 has no cf_crash_signature
Product: `Socorro` - Bug 1852426 has no cf_crash_signature

[suhaibmujahid]

Fixed by mozilla-bteam/bmo#2119

[suhaibmujahid]

Happening again (see bug 1868715):

Product: `Infrastructure & Operations Graveyard` - Bug 895845 has no `cf_crash_signature` field

[suhaibmujahid]

Fixed by mozilla-bteam/bmo#2144

[suhaibmujahid]

Happening again (see bug 1870988):

Product: `Camino Graveyard` - Bug 707440 has no cf_crash_signature field

[suhaibmujahid]

Fixed by mozilla-bteam/bmo#2159

[suhaibmujahid]

Happening again (see bug 1913316):

Product: `Firefox OS Graveyard` - Bug 824777 has no cf_crash_signature

[suhaibmujahid]

Fixed by mozilla-bteam/bmo#2299