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Use Spring's ObjectMapper for Kubernetes serialization #258

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Merged
csviri merged 1 commit into from
Nov 1, 2025
Merged

Use Spring's ObjectMapper for Kubernetes serialization #258

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25 changes: 20 additions & 5 deletions ...c/main/java/io/javaoperatorsdk/operator/springboot/starter/OperatorAutoConfiguration.java
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Original file line number Diff line number Diff line change
Expand Up @@ -23,6 +23,7 @@
import io.fabric8.kubernetes.client.KubernetesClient;
import io.fabric8.kubernetes.client.KubernetesClientBuilder;
import io.fabric8.kubernetes.client.http.HttpClient;
import io.fabric8.kubernetes.client.utils.KubernetesSerialization;
import io.fabric8.openshift.client.OpenShiftClient;
import io.javaoperatorsdk.operator.Operator;
import io.javaoperatorsdk.operator.ReconcilerUtils;
Expand All @@ -37,6 +38,8 @@
import io.javaoperatorsdk.operator.springboot.starter.CRDApplier.CRDTransformer;
import io.javaoperatorsdk.operator.springboot.starter.CRDApplier.DefaultCRDApplier;

import com.fasterxml.jackson.databind.ObjectMapper;

@Configuration
@EnableConfigurationProperties(OperatorConfigurationProperties.class)
public class OperatorAutoConfiguration {
Expand All @@ -48,20 +51,32 @@ public class OperatorAutoConfiguration {

@Bean
@ConditionalOnMissingBean
public KubernetesClient kubernetesClient(Optional<HttpClient.Factory> httpClientFactory,
public KubernetesClient kubernetesClient(
Optional<ObjectMapper> objectMapper,
Optional<HttpClient.Factory> httpClientFactory,
Config config) {

KubernetesClientBuilder builder = new KubernetesClientBuilder();

if (objectMapper.isPresent()) {
// Use Spring's ObjectMapper to create KubernetesSerialization
// This ensures any Jackson modules registered in Spring (like Kotlin module) are available
KubernetesSerialization serialization = new KubernetesSerialization(objectMapper.get(), true);
builder.withKubernetesSerialization(serialization);
}

return configuration.getClient().isOpenshift()
? httpClientFactory
.map(it -> new KubernetesClientBuilder().withHttpClientFactory(it).withConfig(config)
.map(it -> builder.withHttpClientFactory(it).withConfig(config)
.build().adapt(OpenShiftClient.class))
// new DefaultOpenShiftClient(it.createHttpClient(config),
// new OpenShiftConfig(config)))
.orElseGet(() -> new KubernetesClientBuilder().withConfig(config)
.orElseGet(() -> builder.withConfig(config)
.build().adapt(OpenShiftClient.class))
: httpClientFactory
.map(it -> new KubernetesClientBuilder().withHttpClientFactory(it).withConfig(config)
.map(it -> builder.withHttpClientFactory(it).withConfig(config)
.build())
.orElseGet(() -> new KubernetesClientBuilder().withConfig(config)
.orElseGet(() -> builder.withConfig(config)
.build());
}

Expand Down