syslog input

gistfile1.txt

filter {
  if [type] == "syslog" {
    grok {
      #match => { "message" => "%{URIHOST}:%{BASE16FLOAT}%{ISO8601_TIMEZONE} %{TOKEN:token} %{SYSLOGHOST:syslog_hostname} %{DATA:syslog_program}: %{GREEDYDATA:syslog_message}" }
      match => { "message" => "%{SYSLOGTIMESTAMP:syslog_timestamp} %{SYSLOGHOST:syslog_hostname} %{DATA:syslog_program}: %{GREEDYDATA:syslog_message}" }
      add_field => [ "received_at", "%{@timestamp}" ]
      add_field => [ "received_from", "%{host}" ]
    }
    syslog_pri { }
    date {
      match => [ "syslog_timestamp", "MMM d HH:mm:ss", "MMM dd HH:mm:ss" ]
    }
  }
}