enhancements for sentry 8

[visualphoenix]

Hello,

I'm enhancing the plugin for sentry 8.x support. Part of sentry8 support includes some protocol changes.

https://docs.getsentry.com/on-premise/clientdev/attributes

Some of these changes involve sending arrays and hashes. Upstream, fluentd record_transformer (for instance) converts all record values to strings.

Option 1:

<filter **>
    type record_transformer
    enable_ruby
    <record>
        fingerprint ${require 'json' ; ["{{ default }}", "http://example.com/my.url"].to_json}
    </record>
</filter>

def notify_sentry(tag, time, record)
...
    event.fingerprint = JSON.parse(record['fingerprint']) if record['fingerprint']
...

Option 2

<filter **>
    type record_transformer
    enable_ruby
    <record>
        fingerprint ${["{{ default }}", "http://example.com/my.url"]}
    </record>
</filter>

And then we do

def notify_sentry(tag, time, record)
...
    event.fingerprint = eval(record['fingerprint']) if record['fingerprint']
...

I prefer option 1 because eval is evil. But I am unsure if we should force json. Yaml would work too. Thoughts?

[visualphoenix]

Also, do we want to handle backwards compatibility to older Sentry 7.x?

[rpatterson]

For those looking for a way to capture Sentry events from syslog, you might find my sentry-syslog script helpful. It can be used, for example, as the binary for Rsyslog's omprog output module to send syslog messaages to Sentry as breadcrumbs and events.