in resources/nexus/get-nuget-token.groovy [21:31]
def getOrCreateNuGetApiKey(String userName) {
realmName = "NexusAuthenticatingRealm"
apiKeyDomain = "NuGetApiKey"
principal = new SimplePrincipalCollection(userName, realmName)
keyStore = container.lookup(ApiKeyStore.class.getName())
apiKey = keyStore.getApiKey(apiKeyDomain, principal)
if (apiKey == null) {
apiKey = keyStore.createApiKey(apiKeyDomain, principal)
}
return apiKey.toString()
}