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# testdata
This directory contains mmdb database files used during the testing of this plugin.
# Create mmdb database files
If you need to change them to add a new value, or field the best is to recreate them, the code snipped used to create them initially is provided next.
```golang
package main
import (
"log"
"net"
"os"
"github.com/maxmind/mmdbwriter"
"github.com/maxmind/mmdbwriter/inserter"
"github.com/maxmind/mmdbwriter/mmdbtype"
)
const cdir = "81.2.69.142/32"
// Create new mmdb database fixtures in this directory.
func main() {
createCityDB("GeoLite2-City.mmdb", "DBIP-City-Lite")
// Create unkwnon database type.
createCityDB("GeoLite2-UnknownDbType.mmdb", "UnknownDbType")
}
func createCityDB(dbName, dbType string) {
// Load a database writer.
writer, err := mmdbwriter.New(mmdbwriter.Options{DatabaseType: dbType})
if err != nil {
log.Fatal(err)
}
// Define and insert the new data.
_, ip, err := net.ParseCIDR(cdir)
if err != nil {
log.Fatal(err)
}
// TODO(snebel29): Find an alternative location in Europe Union.
record := mmdbtype.Map{
"city": mmdbtype.Map{
"geoname_id": mmdbtype.Uint64(2653941),
"names": mmdbtype.Map{
"en": mmdbtype.String("Cambridge"),
"es": mmdbtype.String("Cambridge"),
},
},
"continent": mmdbtype.Map{
"code": mmdbtype.String("EU"),
"geoname_id": mmdbtype.Uint64(6255148),
"names": mmdbtype.Map{
"en": mmdbtype.String("Europe"),
"es": mmdbtype.String("Europa"),
},
},
"country": mmdbtype.Map{
"iso_code": mmdbtype.String("GB"),
"geoname_id": mmdbtype.Uint64(2635167),
"names": mmdbtype.Map{
"en": mmdbtype.String("United Kingdom"),
"es": mmdbtype.String("Reino Unido"),
},
"is_in_european_union": mmdbtype.Bool(true),
},
"location": mmdbtype.Map{
"accuracy_radius": mmdbtype.Uint16(200),
"latitude": mmdbtype.Float64(52.2242),
"longitude": mmdbtype.Float64(0.1315),
"metro_code": mmdbtype.Uint64(0),
"time_zone": mmdbtype.String("Europe/London"),
},
"postal": mmdbtype.Map{
"code": mmdbtype.String("CB4"),
},
"registered_country": mmdbtype.Map{
"iso_code": mmdbtype.String("GB"),
"geoname_id": mmdbtype.Uint64(2635167),
"names": mmdbtype.Map{"en": mmdbtype.String("United Kingdom")},
"is_in_european_union": mmdbtype.Bool(false),
},
"subdivisions": mmdbtype.Slice{
mmdbtype.Map{
"iso_code": mmdbtype.String("ENG"),
"geoname_id": mmdbtype.Uint64(6269131),
"names": mmdbtype.Map{"en": mmdbtype.String("England")},
},
mmdbtype.Map{
"iso_code": mmdbtype.String("CAM"),
"geoname_id": mmdbtype.Uint64(2653940),
"names": mmdbtype.Map{"en": mmdbtype.String("Cambridgeshire")},
},
},
}
if err := writer.InsertFunc(ip, inserter.TopLevelMergeWith(record)); err != nil {
log.Fatal(err)
}
// Write the DB to the filesystem.
fh, err := os.Create(dbName)
if err != nil {
log.Fatal(err)
}
_, err = writer.WriteTo(fh)
if err != nil {
log.Fatal(err)
}
}
```
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