How to get IP of machine in output?

[magnusbaeck (Magnus Bäck)]

Would the dns filter be helpful? Also, see below.

Record originating IP of filebeats

I currently have a fairly simple setup consisting of running several filebeat instances on various hosts, talking to a central logstash instance, which in turn talks to a ES cluster (6 nodes total, 1 also runs logstash). Currently I only see the hostname of the hosts running filebeat, but I'd like to see the IP as well. Now I know that the hostname is sent by filebeat itself, and I'd prefer the IP address to be based on what logstash sees. Is this currently possible somehow? Otherwise I'd have …