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ISPConfig Apache2 Logfiles an Graylog-Server schicken

Diese Konfiguration schickt nginx Access- und Errorlogs über GELF an einen Graylog-Server. Der GELF-Input im Graylog sollte natürlich aktiviert sein. Das Pattern-Matching funktioniert leider noch nicht exakt.

/etc/logstash/patterns.d/apache.conf
# get hostname from access.log path
APACHE_WEBSITE /[^/]+/[^/]+/[^/]+/[^/]+/(?<website>[^/]+)/

# error
APACHE_ERROR_TIME %{DAY} %{MONTH} %{MONTHDAY} %{TIME} %{YEAR}
APACHE_ERROR_LOG \[%{APACHE_ERROR_TIME:timestamp}\] \[%{LOGLEVEL:loglevel}\] (?:\[client %{IPORHOST:clientip}\] ){0,1}%{GREEDYDATA:errormsg}
/etc/logstash/conf.d/apache.conf
# apache log input
input {
  file {
    type => "apache-access"
    path => ["/var/log/ispconfig/httpd/*/access.log"]
  }
  file {
    type => "apache-error"
    path => ["/var/log/ispconfig/httpd/*/error.log"]
  }
}

# filters
filter {
  if [type] == "apache-access" {
      grok {
        match => { "message" => "%{COMBINEDAPACHELOG}" }
      }
      grok {
        patterns_dir => [ "/etc/logstash/patterns.d" ]
        match => [ "path", "%{APACHE_WEBSITE}" ]
      }
  }

  if [type] == "apache-error" {
    grok {
      patterns_dir => [ "/etc/logstash/patterns.d" ]
      match => [ "message", "%{APACHE_ERROR_LOG}" ]
    }

    if !("_grokparsefailure" in [tags]) {

      mutate {
        remove_field => [ "message" ]
        add_field =>  ["timestamp_submitted", "%{@timestamp}"]
      }

      date {
        match => [ "timestamp", "EEE MMM dd HH:mm:ss yyyy" ]
        remove_field => [ "timestamp" ]
      }

      geoip {
        source => "clientip"
      }
    }
  }
}

# output
output {
  #stdout {
  #  #codec => "plain"
  #  codec => "rubydebug"
  #}
  gelf {
    host => "log.myserver.de"
    port => 12201
  }
}
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