How to add ip address of machine to field in logstash? -

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logstash returns hostname of machine in field "host". our servers have same host name, difficult differentiate data servers. not possible change host name of server because use amazon ame servers. possible add ip fields in logstash?

i used ansible push configs, , have write ip address config each server. both logstash-forwarder , logstash can add static fields on input.


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