elk

production/elk/filebeat.conf

@@ -0,0 +1,129 @@
+input {
+  beats {
+    port => "5044"
+  }
+}
+
+filter {
+  ## beat and LSF compatibility
+  ## https://discuss.elastic.co/t/problem-with-transfer-filebeat-6-1-3-logstash-6-1-3-elasticsearch-6-1-3/136264/6
+  ## https://discuss.elastic.co/t/logstash-errors-after-upgrading-to-filebeat-6-3-0/135984/6
+  if [beat][hostname] {
+    if [source] {
+      if ![file] {
+        mutate {
+          add_field => {
+            "file" => "%{source}"
+          }
+        }
+      }
+    }
+    mutate {
+      remove_field => [ "[host]" ]
+    }
+    mutate {
+      add_field => {
+        "host" => "%{[beat][hostname]}"
+      }
+    }
+  }
+
+  # ## apache2 module 
+  # ## filebeat apache module https://www.elastic.co/guide/en/logstash/current/logstash-config-for-filebeat-modules.html
+  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]"
+      }
+    }
+  }
+
+
+  ## syslog, there might be a module for this as well
+  if [type] == "syslog" {
+    ### "$RepeatedMsgReduction off" /etc/rsyslog.conf
+    #if [message] =~ /last message repeated [0-9]+ times/ {
+    #  drop { }
+    #}
+    ## enable high precision timestamps
+    # comment out $ActionFileDefaultTemplate RSYSLOG_TraditionalFileFormat
+    grok {
+      match => { "message" => "(?:%{SYSLOGTIMESTAMP:syslog_timestamp}|%{TIMESTAMP_ISO8601:syslog_timestamp}) %{SYSLOGHOST:syslog_hostname} %{DATA:syslog_program}(?:\[%{POSINT:syslog_pid}\])?: %{GREEDYDATA:syslog_message}" }
+      add_field => {
+        "syslog_received_at" => "%{@timestamp}"
+        "syslog_received_from" => "%{host}"
+      }
+    }
+    syslog_pri {
+
+    }
+    date {
+      match => [ "syslog_timestamp", "MMM  d HH:mm:ss", "MMM dd HH:mm:ss", "ISO8601" ]
+      timezone => "Europe/Madrid"
+    }
+    mutate {
+      replace => { "syslog_timestamp" => "%{@timestamp}" }
+    }
+    # for check grok data type conversion bug???
+    mutate {
+      convert => {
+        "syslog_pid" => "integer"
+      }
+    }
+  }
+
+  ## old apache filter
+  # if [type] == "apache" {
+  #   grok {
+  #     match => { "message" => "%{COMBINEDAPACHELOG}" }
+  #   }
+  #   date {
+  #     match => [ "timestamp" , "dd/MMM/yyyy:HH:mm:ss Z" ]
+  #     timezone => "America/New York"
+  #   }
+  # }
+}
+
+output {
+  elasticsearch {
+    hosts => ["elasticsearch:9200"]
+    index => "apache"
+    document_type => "log"
+  }
+#  stdout { codec => rubydebug }
+}