How can I get the logstash hostname

[ericpietro]

Hi,

logstash add a field named 'host' that contains the source hostname in the input section.
but how can I get the hostname where logstash is curently running ?

ty

[ericpietro]

i'm always asking for this question ... anybody can help ?
ty

[magnusbaeck (Magnus Bäck)]

filter {
  ruby {
    init => "require 'socket'"
    code => "event['some-field-name'] = Socket.gethostname"
  }
}

[ericpietro]

ty very much magnus