geo json using logstash - hack edition

logstash.conf

input {
  file {
    path => "/var/log/apache2/access.log.json"
    format => json_event
    type => apache
  }
}

filter {
  geoip {
    source => "client"
    add_tag => [ "geo" ]
    add_field => [ "geo_json", "%{geoip.longitude},%{geoip.latitude}"]
  }


  mutate {
    join => ["geo_json", ""]
    tags => [ "geo" ]
  }

  mutate {
    split => [ "geo_json", "," ]
    tags => ["geo"]
  }

}

output {
  stdout { debug => true }

#  elasticsearch_http {
#    host => "es01.bownty.net"
#  }
}