Spring boot circular reference with multi-tenant db setup - spring-boot

Question

It's another one of those circular reference errors in Spring Boot. My log says:
userDetailsServiceImpl defined in file [/home/.../auth/UserDetailsServiceImpl.class]
┌─────┐
| tenantDataSource
└─────┘
Now, I've seen this happening to other people, but never with one class. Here comes the TenantDataSource:
#Component
class TenantDataSource(private val configRepository: DataSourceConfigRepository): Serializable {
private val dataSources = HashMap<String, DataSource>()
val hexKeyMaterials = HashMap<String, String>()
private val logger: Logger = LoggerFactory.getLogger(this::class.java)
fun getDataSource(dataSourceName: String): DataSource {
logger.info(" [X] TenantDataSource - Getting DataSource: $dataSourceName")
if (!dataSources.contains(dataSourceName)) {
logger.info(" [X] TenantDataSource - DataSource $dataSourceName is not in map... Creating...")
dataSources[dataSourceName] = createDataSource(dataSourceName)
}
return dataSources[dataSourceName]!!
}
#PostConstruct
fun getAll(): Map<String, DataSource> {
logger.info(" [X] TenantDataSource - Processing all datasources after construct")
val configList: List<DataSourceConfig> = configRepository.findAll()
val result: MutableMap<String, DataSource> = HashMap()
for (config in configList) {
result[config.name] = getDataSource(config.name)
hexKeyMaterials[config.name] = config.keymaterial
}
return result
}
private fun createDataSource(dataSourceName: String): DataSource {
logger.info(" [X] TenantDataSource - Creating dataSource from config: $dataSourceName")
val config: DataSourceConfig = configRepository.findByName(dataSourceName)
return DataSourceBuilder
.create()
.username(config.username)
.password(config.password)
.url(config.url).build()
}
}
I can't imagine where I should start looking for the circular reference in this... :( I've seen some people saying "i don't even have constructor injection..." Well, I do because I don't like the autowired lateinit variables in Kotlin, that's all. So if there's a chance I'd like to keep my CIs. Help me out here because I don't get what's going on! :)
Oh, the UserDetailsServiceImpl if it helps:
#Service
class UserDetailsServiceImpl(private val userRepository: UserRepository, private val decrypter: HaliteDecrypter, private val tenantDataSource: TenantDataSource): UserDetailsService {
private val logger: Logger = LoggerFactory.getLogger(this.javaClass)
override fun loadUserByUsername(username: String): AuthUser {
logger.info("Trying to get user for authentication $username")
val user = userRepository.getUserByUsername(username)
decrypter.hexKeyMaterial = tenantDataSource.hexKeyMaterials[TenantContext.currentTenant.get()]!!
user?.let {
logger.info("Returning UserDetails for " + user.username)
return AuthUser(
user.userId,
user.username,
decrypter.decryptPasswd(user.password).toString(Charsets.US_ASCII),
user.role.id,
user.role.name,
user.flags
)
} ?: throw UsernameNotFoundException(String.format("Username %s not found", username))
}
}