A full solution to fluentd mapper_parsing_exceptions

[robinelastisys]

Describe the bug As a continuation of https://github.com/elastisys/compliantkubernetes-apps/pull/1247, we want to see if their is something we can do to not have to downgrade our custome-made image(v3.4.0-ck8s3) but rather have it updated to the newest version. Our current solution is to downgrade "fluent-plugin-kubernetes_metadata_filter" to version 2.13.0 to mitigate the removal of "replace_dot" functionality which happened in version 3.0.0(https://github.com/fabric8io/fluent-plugin-kubernetes_metadata_filter/pull/347).

To Reproduce Steps to reproduce the behavior:

1. Set v3.4.0-ck8s3 as the image in fluentd-wc and fluentd-user.
2. Apply the changes.
3. Read the logs of "fluentd-fluentd-elasticsearch-" and "fluentd-system-fluentd-elasticsearch-"
4. See if you find mapper_parsing_exceptions
5. Try finding a solution in where we do not need to downgrade our image and still have it working

(remember do a rollover of the indexes for changes to apply)

Expected behavior No mapper_parsing_exceptions.

Version (add all relevant versions):

• Compliant kubernetes apps version 0.26.0 & 0.27.0

Additional context https://github.com/elastisys/compliantkubernetes-apps/issues/1210