geoip

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geoip

The filter_geoip Filter plugin adds geographic location information to logs using the Maxmind GeoIP databases.
This document does not describe all the parameters. If you want to know full features, check the Further Reading section.
Prerequisites
Install GeoIP library:
# for RHEL/CentOS
$ sudo yum group install "Development Tools"
$ sudo yum install geoip-devel --enablerepo=epel
​
# for Ubuntu/Debian
$ sudo apt install build-essential
$ sudo apt install libgeoip-dev
​
# for macOS (brew)
$ brew install geoip
libmaxminddb for GeoIP2 is bundled with geoip2_c.
Install
filter_geoip is not included in td-agent. All users must install the fluent-plugin-geoip gem using the following command:
$ fluent-gem install fluent-plugin-geoip
$ sudo /usr/sbin/td-agent-gem install fluent-plugin-geoip
For more details, see Plugin Management.
Example Configuration
This configuration adds the geolocation information to apache.access:
<filter access.apache>
  @type geoip
​
  # Specify one or more geoip lookup field which has ip address (default: host)
  geoip_lookup_keys  host
​
  # Specify optional geoip database (using bundled GeoLiteCity databse by default)
  # geoip_database    "/path/to/your/GeoIPCity.dat"
  # Specify optional geoip2 database (using bundled GeoLite2 database by default)
  # geoip2_database   "/path/to/your/GeoLite2-City.mmdb"
  # Specify backend library (geoip2_c, geoip, geoip2_compat)
  backend_library geoip2_c
​
  # Set adding field with placeholder (more than one settings are required.)
  <record>
    city            ${city.names.en["host"]}
    latitude        ${location.latitude["host"]}
    longitude       ${location.longitude["host"]}
    country         ${country.iso_code["host"]}
    country_name    ${country.names.en["host"]}
    postal_code     ${postal.code["host"]}
    region_code     ${subdivisions.0.iso_code["host"]}
    region_name     ${subdivisions.0.names.en["host"]}
  </record>
​
  # To avoid get stacktrace error with `[null, null]` array for elasticsearch.
  skip_adding_null_record  true
</filter>
See fluent-plugin-geoip README for further details.
Plugin helpers
​compat_parameters​
​inject​
Parameters
See Common Parameters.
geoip_database
type
default
version
string
bundled
1.0.0
Path to GeoIP database file.
geoip2_database
type
default
version
string
bundled
1.0.0
Path to GeoIP2 database file.
geoip_lookup_keys
type
default
version
array
["host"]
1.2.0
Specifies one or more geoip lookup fields containing the IP address.
See record_accessor about nested attributes.
NOTE: Since v1.3.0 does not interpret host.ip as a nested attribute.
geoip_lookup_key
type
default
version
string
host
1.0.0
Specifies one or more geoip lookup fields containing the ip address.
This parameter has been deprecated since v1.2.0.
skip_adding_null_record
type
default
version
bool
false
1.0.0
Set to true to skip adding the field with [null, null] array.
This is useful for Elasticsearch.
backend_library
type
default
available values
version
enum
geoip2_c
geoip, geoip2_compat, geoip2_c
1.0.0
Set backend library.
Use cases
Plot Realtime Access Statistics on a World Map using Elasticsearch and Kibana
The country_code field is needed to visualize access statistics on a world map using Kibana.
Required plugins:
fluent-plugin-geoip
fluent-plugin-elasticsearch
<filter apache.access>
  @type geoip
  backend_library geoip2_c
​
  # Set key name for the client ip address values
  geoip_lookup_keys     host
​
  # Specify key name for the country_code values
  <record>
    country_code ${country.iso_code["host"]}
    country_name ${country.names.en["host"]}
  </record>
</filter>
​
<match apache.access>
  @type           elasticsearch
  host            localhost
  port            9200
  type_name       apache
  logstash_format true
  flush_interval  10s
</match>
Further Reading
​fluent-plugin-geoip​
If this article is incorrect or outdated, or omits critical information, please let us know. Fluentd is an open-source project under Cloud Native Computing Foundation (CNCF). All components are available under the Apache 2 License.

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Prerequisites

Install

Example Configuration

Plugin helpers

Parameters

geoip_database

geoip2_database

geoip_lookup_keys

geoip_lookup_key

skip_adding_null_record

backend_library

Use cases

Prerequisites

Install

Example Configuration

Plugin helpers

Parameters

`geoip_database`

`geoip2_database`

`geoip_lookup_keys`

`geoip_lookup_key`

`skip_adding_null_record`

`backend_library`

Use cases

Plot Realtime Access Statistics on a World Map using Elasticsearch and Kibana

Further Reading