Cherry-pick #20908 to 7.9: [Filebeat] backwards compatibility for set processor #21084
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Cherry-pick of PR #20908 to 7.9 branch. Original message:
What does this PR do?
When loading a pipeline this change checks the elasticsearch version
and if the version is less than 7.9.0 it will replace the
"ignore_empty_value" option with an equivalent if statement on the set
processor.
Why is it important?
This allows filebeat > 7.9.0 to be used with older versions of
elasticsearch. Without it the pipelines fail to load because the
option isn't supported.
Checklist
CHANGELOG.next.asciidoc
orCHANGELOG-developer.next.asciidoc
.How to test this PR locally
run
filebeat modules enable zeek && filebeat -e setup
Logs
Error
With fix: