logstash/docs/static/filebeat_modules/apache2/pipeline.conf

input {
  beats {
    port => 5044
    host => "0.0.0.0"
  }
}
filter {
  if [fileset][module] == "apache2" {
    if [fileset][name] == "access" {
      grok {
        match => { "message" => ["%{IPORHOST:[apache2][access][remote_ip]} - %{DATA:[apache2][access][user_name]} \[%{HTTPDATE:[apache2][access][time]}\] \"%{WORD:[apache2][access][method]} %{DATA:[apache2][access][url]} HTTP/%{NUMBER:[apache2][access][http_version]}\" %{NUMBER:[apache2][access][response_code]} %{NUMBER:[apache2][access][body_sent][bytes]}( \"%{DATA:[apache2][access][referrer]}\")?( \"%{DATA:[apache2][access][agent]}\")?",
          "%{IPORHOST:[apache2][access][remote_ip]} - %{DATA:[apache2][access][user_name]} \\[%{HTTPDATE:[apache2][access][time]}\\] \"-\" %{NUMBER:[apache2][access][response_code]} -" ] }
        remove_field => "message"
      }
      mutate {
        add_field => { "read_timestamp" => "%{@timestamp}" }
      }
      date {
        match => [ "[apache2][access][time]", "dd/MMM/YYYY:H:m:s Z" ]
        remove_field => "[apache2][access][time]"
      }
      useragent {
        source => "[apache2][access][agent]"
        target => "[apache2][access][user_agent]"
        remove_field => "[apache2][access][agent]"
      }
      geoip {
        source => "[apache2][access][remote_ip]"
        target => "[apache2][access][geoip]"
      }
    }
    else if [fileset][name] == "error" {
      grok {
        match => { "message" => ["\[%{APACHE_TIME:[apache2][error][timestamp]}\] \[%{LOGLEVEL:[apache2][error][level]}\]( \[client %{IPORHOST:[apache2][error][client]}\])? %{GREEDYDATA:[apache2][error][message]}",
          "\[%{APACHE_TIME:[apache2][error][timestamp]}\] \[%{DATA:[apache2][error][module]}:%{LOGLEVEL:[apache2][error][level]}\] \[pid %{NUMBER:[apache2][error][pid]}(:tid %{NUMBER:[apache2][error][tid]})?\]( \[client %{IPORHOST:[apache2][error][client]}\])? %{GREEDYDATA:[apache2][error][message1]}" ] }
        pattern_definitions => {
          "APACHE_TIME" => "%{DAY} %{MONTH} %{MONTHDAY} %{TIME} %{YEAR}"
        }
        remove_field => "message"
      }
      mutate {
        rename => { "[apache2][error][message1]" => "[apache2][error][message]" }
      }
      date {
        match => [ "[apache2][error][timestamp]", "EEE MMM dd H:m:s YYYY", "EEE MMM dd H:m:s.SSSSSS YYYY" ]
        remove_field => "[apache2][error][timestamp]"
      }
    }
  }
}
output {
  elasticsearch {
    hosts => localhost
    manage_template => false
    index => "%{[@metadata][beat]}-%{[@metadata][version]}-%{+YYYY.MM.dd}"
  }
}