Logstash load average monitor

gistfile1.txt

input {
exec {
  command => "echo `date +'%z %Y-%m-%d'``uptime`"
  type => "loadaverages"
  interval => 10
}
}
filter {
  grok {
    type => "loadaverages"
    pattern => "%{ISO8601_TIMEZONE:tz} %{DATE_EU:date} %{TIME:time} up %{GREEDYDATA:uptime} load average: %{NUMBER:load1}, %{NUMBER:load5}, %{NUMBER:load15}"
    add_field => [ "ts", "%{date}T%{time}%{tz}" ]
  }
  date {
    type => "loadaverages"
    ts => "ISO8601"
  }
}