raven is a Python program for sending in Python exceptions as a message to a Sentry server. Both as free and Open Source but Sentry exists as a paid service if you don't want to self-host.
What raven does is that it makes it possible to package up a Python exception (type, value, traceback) and send it in to a server. Once the server receives it, it makes a hash of the error and adds an entry to its database. If the same error is sent again, instead of logging another entry to its database it increments the previous one.
To configure your crontabber to send all exceptions into a Sentry
server you need an API key. When you have that you add that to your
crontabber.ini
file. So it looks
something like this:
[sentry] # DSN for Sentry via raven dsn=https://d3683ad...27f9fbd:0ce...4aeb810311dc@errormill.mozilla.org/14
Note, this is not mandatory. You can always reach the full error details in the logs of the database. Either by interrogating the database table yourself or by using the command like this:
crontabber --admin.conf=crontabber.ini --list-jobs
It's important to note that the protocol used by Sentry has changed in
recent years. That means that you need to be careful with what version
of raven
you install. If you have an older version of Sentry you
can not install the latest version of raven
because the messages it
transmits won't be understood.