Set hostname for datadog output

[axelzedigh]

I want to use fluent-bit to tail log-files and to use datadog as the output. I use the dd_tags option to set tags for the log, e.g. host:TEST-SERVER-1,os:linux but when inspecting the logs in Datadog the host-tag has been lower-cased (test-server-1). Datadog is thus not able to bind the logs with other metrics associated with host:TEST-SERVER-1. Can the hostname be configured explicitly in fluent-bit? Any other work-around?

Edit:
This is solved by appending a query to the api-key, e.g:

[OUTPUT]
    Name                datadog
    Match               *
    Host                http-intake.logs.datadoghq.eu
    TLS                 on
    compress            gzip
    apikey              <API-KEY>?hostname=TEST-SERVER-1
    dd_service          test
    dd_source           python
    dd_tags             market:europe
    dd_message_key      log

[mumumumu]

This workaround doesn't seem to work anymore. I'm guessing due to the plugin being updated to the v2 Datadog API in June 2022.

The v2 API does support passing a hostname param in the request body (along side the service, ddsource, and ddtags that are already being passed today).

Seems the Datadog output plugin would need to be updated to support something like a dd_hostname config param.