Fluentd output events no longer contain some metadata after upgrading to Red Hat OpenShift v3.9

Solution Verified - Updated -

Issue

  • After upgrading logging stack to version 3.9, it was noticed that when fluentd outputs each event it no longer contains some metadata that was present in the 3.7 version of fluentd. Instead of tags such as kubernetes.var.log.containers.** and journal.system being present on each event that is outputted by fluentd, it is only printing output_tag.

Environment

  • Red Hat OpenShift Container Platform
    - v3.7
    - v3.9

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