Add country_name to the default properties of geoip ingest processor (#62915)

docs/reference/ingest/processors/geoip.asciidoc

@@ -26,7 +26,7 @@ uncompressed. The `ingest-geoip` config directory is located at `$ES_CONFIG/inge
 | `field`                | yes       | -                                                                                  | The field to get the ip address from for the geographical lookup.
 | `target_field`         | no        | geoip                                                                              | The field that will hold the geographical information looked up from the Maxmind database.
 | `database_file`        | no        | GeoLite2-City.mmdb                                                                 | The database filename in the geoip config directory. The ingest-geoip module ships with the GeoLite2-City.mmdb, GeoLite2-Country.mmdb and GeoLite2-ASN.mmdb files.
-| `properties`           | no        | [`continent_name`, `country_iso_code`, `region_iso_code`, `region_name`, `city_name`, `location`] *   | Controls what properties are added to the `target_field` based on the geoip lookup.
+| `properties`           | no        | [`continent_name`, `country_iso_code`, `country_name`, `region_iso_code`, `region_name`, `city_name`, `location`] *   | Controls what properties are added to the `target_field` based on the geoip lookup.
 | `ignore_missing`       | no        | `false`                                                                            | If `true` and `field` does not exist, the processor quietly exits without modifying the document
 | `first_only`           | no        | `true`                                                                             | If `true` only first found geoip data will be returned, even if `field` contains array
 |======
@@ -81,6 +81,7 @@ Which returns:
     "ip": "8.8.8.8",
     "geoip": {
       "continent_name": "North America",
+      "country_name": "United States",
       "country_iso_code": "US",
       "location": { "lat": 37.751, "lon": -97.822 }
     }
@@ -90,7 +91,7 @@ Which returns:
 // TESTRESPONSE[s/"_seq_no": \d+/"_seq_no" : $body._seq_no/ s/"_primary_term":1/"_primary_term" : $body._primary_term/]
 
 Here is an example that uses the default country database and adds the
-geographical information to the `geo` field based on the `ip` field`. Note that
+geographical information to the `geo` field based on the `ip` field. Note that
 this database is included in the module. So this:
 
 [source,console]
@@ -130,6 +131,7 @@ returns this:
     "ip": "8.8.8.8",
     "geo": {
       "continent_name": "North America",
+      "country_name": "United States",
       "country_iso_code": "US",
     }
   }
@@ -276,6 +278,7 @@ GET /my_ip_locations/_search
         "_source" : {
           "geoip" : {
             "continent_name" : "North America",
+            "country_name" : "United States",
             "country_iso_code" : "US",
             "location" : {
               "lon" : -97.822,

modules/ingest-geoip/src/main/java/org/elasticsearch/ingest/geoip/GeoIpProcessor.java

@@ -376,11 +376,11 @@ public final class GeoIpProcessor extends AbstractProcessor {
 
     public static final class Factory implements Processor.Factory {
         static final Set<Property> DEFAULT_CITY_PROPERTIES = Collections.unmodifiableSet(EnumSet.of(
-            Property.CONTINENT_NAME, Property.COUNTRY_ISO_CODE, Property.REGION_ISO_CODE,
+            Property.CONTINENT_NAME, Property.COUNTRY_NAME, Property.COUNTRY_ISO_CODE, Property.REGION_ISO_CODE,
             Property.REGION_NAME, Property.CITY_NAME, Property.LOCATION
         ));
         static final Set<Property> DEFAULT_COUNTRY_PROPERTIES = Collections.unmodifiableSet(EnumSet.of(
-            Property.CONTINENT_NAME, Property.COUNTRY_ISO_CODE
+            Property.CONTINENT_NAME, Property.COUNTRY_NAME, Property.COUNTRY_ISO_CODE
         ));
         static final Set<Property> DEFAULT_ASN_PROPERTIES = Collections.unmodifiableSet(EnumSet.of(
             Property.IP, Property.ASN, Property.ORGANIZATION_NAME, Property.NETWORK

modules/ingest-geoip/src/yamlRestTest/resources/rest-api-spec/test/ingest_geoip/20_geoip_processor.yml

@@ -28,12 +28,13 @@
         index: test
         id: 1
   - match: { _source.field1: "128.101.101.101" }
-  - length: { _source.geoip: 6 }
+  - length: { _source.geoip: 7 }
   - match: { _source.geoip.city_name: "Minneapolis" }
   - match: { _source.geoip.country_iso_code: "US" }
   - match: { _source.geoip.location.lon: -93.2548 }
   - match: { _source.geoip.location.lat: 44.9399 }
   - match: { _source.geoip.region_iso_code: "US-MN" }
+  - match: { _source.geoip.country_name: "United States" }
   - match: { _source.geoip.region_name: "Minnesota" }
   - match: { _source.geoip.continent_name: "North America" }
 
@@ -69,12 +70,13 @@
         id: 1
   - match: { _source.field1: ["128.101.101.101", "127.0.0.1"] }
   - length: { _source.geoip: 2 }
-  - length: { _source.geoip.0: 6 }
+  - length: { _source.geoip.0: 7 }
   - match: { _source.geoip.0.city_name: "Minneapolis" }
   - match: { _source.geoip.0.country_iso_code: "US" }
   - match: { _source.geoip.0.location.lon: -93.2548 }
   - match: { _source.geoip.0.location.lat: 44.9399 }
   - match: { _source.geoip.0.region_iso_code: "US-MN" }
+  - match: { _source.geoip.0.country_name: "United States" }
   - match: { _source.geoip.0.region_name: "Minnesota" }
   - match: { _source.geoip.0.continent_name: "North America" }
   - match: { _source.geoip.1: null }
@@ -109,12 +111,13 @@
         index: test
         id: 1
   - match: { _source.field1: ["127.0.0.1", "128.101.101.101", "128.101.101.101"] }
-  - length: { _source.geoip: 6 }
+  - length: { _source.geoip: 7 }
   - match: { _source.geoip.city_name: "Minneapolis" }
   - match: { _source.geoip.country_iso_code: "US" }
   - match: { _source.geoip.location.lon: -93.2548 }
   - match: { _source.geoip.location.lat: 44.9399 }
   - match: { _source.geoip.region_iso_code: "US-MN" }
+  - match: { _source.geoip.country_name: "United States" }
   - match: { _source.geoip.region_name: "Minnesota" }
   - match: { _source.geoip.continent_name: "North America" }
 
@@ -196,8 +199,9 @@
         index: test
         id: 1
   - match: { _source.field1: "128.101.101.101" }
-  - length: { _source.geoip: 2 }
+  - length: { _source.geoip: 3 }
   - match: { _source.geoip.country_iso_code: "US" }
+  - match: { _source.geoip.country_name: "United States" }
   - match: { _source.geoip.continent_name: "North America" }
 
 ---
@@ -259,12 +263,13 @@
         index: test
         id: 2
   - match: { _source.field1: "128.101.101.101" }
-  - length: { _source.geoip: 6 }
+  - length: { _source.geoip: 7 }
   - match: { _source.geoip.city_name: "Minneapolis" }
   - match: { _source.geoip.country_iso_code: "US" }
   - match: { _source.geoip.location.lon: -93.2548 }
   - match: { _source.geoip.location.lat: 44.9399 }
   - match: { _source.geoip.region_iso_code: "US-MN" }
+  - match: { _source.geoip.country_name: "United States" }
   - match: { _source.geoip.region_name: "Minnesota" }
   - match: { _source.geoip.continent_name: "North America" }