hotfix serializing quantity

Kubernetes will sometimes convert quantity to a more convenient format eg. 2048Mi -> 2Gi. This results in an endless loop since the operator is trying to update it. There is a bug report on it operator-framework/java-operator-sdk#2509.

Author: murillio4

src/main/kotlin/no/fintlabs/Application.kt

@@ -1,13 +1,16 @@
 package no.fintlabs
 
 import com.fasterxml.jackson.databind.ObjectMapper
+import com.fasterxml.jackson.module.kotlin.addMixIn
 import com.fasterxml.jackson.module.kotlin.registerKotlinModule
+import io.fabric8.kubernetes.api.model.Quantity
 import io.fabric8.kubernetes.client.KubernetesClientBuilder
 import io.fabric8.kubernetes.client.utils.KubernetesSerialization
 import io.javaoperatorsdk.operator.Operator
 import io.javaoperatorsdk.operator.api.config.ConfigurationService
 import io.javaoperatorsdk.operator.api.reconciler.Reconciler
 import no.fintlabs.operator.applicationReconcilerModule
+import no.fintlabs.serialization.QuantityMixIn
 import org.koin.core.context.startKoin
 import org.koin.dsl.module
 import org.koin.mp.KoinPlatform.getKoin
@@ -27,6 +30,7 @@ val baseModule = module {
     single(createdAtStart = true) { defaultConfig() }
     single {
         ObjectMapper().apply {
+            addMixIn<Quantity, QuantityMixIn>()
             registerKotlinModule()
         }
     }