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Add Host metadata

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Add Host metadata

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processors:
  - add_host_metadata:
      cache.ttl: 5m
      geo:
        name: nyc-dc1-rack1
        location: 40.7128, -74.0060
        continent_name: North America
        country_iso_code: US
        region_name: New York
        region_iso_code: NY
        city_name: New York

It has the following settings:

netinfo.enabled: (Optional) Default true. Include IP addresses and MAC addresses as fields host.ip and host.mac
cache.ttl: (Optional) The processor uses an internal cache for the host metadata. This sets the cache expiration time. The default is 5m, negative values disable caching altogether.
geo.name: (Optional) User definable token to be used for identifying a discrete location. Frequently a datacenter, rack, or similar.
geo.location: (Optional) Longitude and latitude in comma separated format.
geo.continent_name: (Optional) Name of the continent.
geo.country_name: (Optional) Name of the country.
geo.region_name: (Optional) Name of the region.
geo.city_name: (Optional) Name of the city.
geo.country_iso_code: (Optional) ISO country code.
geo.region_iso_code: (Optional) ISO region code.
replace_fields: (Optional) Default true. If set to false, original host fields from the event will not be replaced by host fields from add_host_metadata.

The add_host_metadata processor annotates each event with relevant metadata from the host machine. The fields added to the event look like the following:

{
   "host":{
      "architecture":"x86_64",
      "name":"example-host",
      "id":"",
      "os":{
         "family":"darwin",
         "type":"macos",
         "build":"16G1212",
         "platform":"darwin",
         "version":"10.12.6",
         "kernel":"16.7.0",
         "name":"Mac OS X"
      },
      "ip": ["192.168.0.1", "10.0.0.1"],
      "mac": ["00:25:96:12:34:56", "72:00:06:ff:79:f1"],
      "geo": {
          "continent_name": "North America",
          "country_iso_code": "US",
          "region_name": "New York",
          "region_iso_code": "NY",
          "city_name": "New York",
          "name": "nyc-dc1-rack1",
          "location": "40.7128, -74.0060"
        }
   }
}

Note: add_host_metadata processor will overwrite host fields if host.* fields already exist in the event from Beats by default with replace_fields equals to true. Please use add_observer_metadata if the beat is being used to monitor external systems.

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