Generating filebeat custom fields
In your filebeat.yml:
filebeat: prospectors: - paths: - /path/to/my/folder input_type: log # Optional additional fields. These field can be freely picked # to add additional information to the crawled log files fields: mycustomvar: production
in filebeat-7.2.0 i use next syntax:
processors:- add_fields: target: '' fields: mycustomfieldname: customfieldvaluenote: target = '' means that mycustomfieldname is a top-level fieldofficial 7.2 docs