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Sample custom config for Kubernetes Dependent Resource #2088

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Sample custom config for Kubernetes Dependent Resource #2088

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4 changes: 3 additions & 1 deletion .../src/main/java/io/javaoperatorsdk/operator/sample/WebPageManagedDependentsReconciler.java
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Original file line number Diff line number Diff line change
Expand Up @@ -15,7 +15,8 @@
*/
@ControllerConfiguration(
dependents = {
@Dependent(type = ConfigMapDependentResource.class),
@Dependent(type = ConfigMapDependentResource.class,
name = WebPageManagedDependentsReconciler.CONFIG_MAP_DEPENDENT),
@Dependent(type = DeploymentDependentResource.class),
@Dependent(type = ServiceDependentResource.class),
@Dependent(type = IngressDependentResource.class,
Expand All @@ -25,6 +26,7 @@ public class WebPageManagedDependentsReconciler
implements Reconciler<WebPage>, ErrorStatusHandler<WebPage>, Cleaner<WebPage> {

public static final String SELECTOR = "managed";
public static final String CONFIG_MAP_DEPENDENT = "configMapDependentName";

@Override
public ErrorStatusUpdateControl<WebPage> updateErrorStatus(WebPage resource,
Expand Down
9 changes: 8 additions & 1 deletion ...e-operators/webpage/src/main/java/io/javaoperatorsdk/operator/sample/WebPageOperator.java
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Expand Up @@ -9,11 +9,14 @@
import io.fabric8.kubernetes.client.KubernetesClient;
import io.fabric8.kubernetes.client.KubernetesClientBuilder;
import io.javaoperatorsdk.operator.Operator;
import io.javaoperatorsdk.operator.sample.dependentresource.ConfigMapDependentResource;
import io.javaoperatorsdk.operator.sample.probes.LivenessHandler;
import io.javaoperatorsdk.operator.sample.probes.StartupHandler;

import com.sun.net.httpserver.HttpServer;

import static io.javaoperatorsdk.operator.sample.WebPageManagedDependentsReconciler.CONFIG_MAP_DEPENDENT;

public class WebPageOperator {
public static final String WEBPAGE_RECONCILER_ENV = "WEBPAGE_RECONCILER";
public static final String WEBPAGE_CLASSIC_RECONCILER_ENV_VALUE = "classic";
Expand All @@ -35,7 +38,11 @@ public static void main(String[] args) throws IOException {
operator.register(new WebPageReconciler(client));
} else if (WEBPAGE_MANAGED_DEPENDENT_RESOURCE_ENV_VALUE
.equals(reconcilerEnvVar)) {
operator.register(new WebPageManagedDependentsReconciler());
operator.register(new WebPageManagedDependentsReconciler(), o -> {
o.replacingNamedDependentResourceConfig(CONFIG_MAP_DEPENDENT,
new ConfigMapDependentResource.MyConfig("customValue"));
});

} else {
operator.register(new WebPageStandaloneDependentsReconciler(client));
}
Expand Down
38 changes: 38 additions & 0 deletions ...java/io/javaoperatorsdk/operator/sample/dependentresource/ConfigMapDependentResource.java
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Expand Up @@ -2,6 +2,7 @@

import java.util.HashMap;
import java.util.Map;
import java.util.Set;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
Expand All @@ -10,8 +11,14 @@
import io.fabric8.kubernetes.api.model.ConfigMapBuilder;
import io.fabric8.kubernetes.api.model.ObjectMetaBuilder;
import io.javaoperatorsdk.operator.api.reconciler.Context;
import io.javaoperatorsdk.operator.api.reconciler.ResourceDiscriminator;
import io.javaoperatorsdk.operator.processing.dependent.kubernetes.CRUDKubernetesDependentResource;
import io.javaoperatorsdk.operator.processing.dependent.kubernetes.KubernetesDependent;
import io.javaoperatorsdk.operator.processing.dependent.kubernetes.KubernetesDependentResourceConfig;
import io.javaoperatorsdk.operator.processing.event.source.filter.GenericFilter;
import io.javaoperatorsdk.operator.processing.event.source.filter.OnAddFilter;
import io.javaoperatorsdk.operator.processing.event.source.filter.OnDeleteFilter;
import io.javaoperatorsdk.operator.processing.event.source.filter.OnUpdateFilter;
import io.javaoperatorsdk.operator.sample.customresource.WebPage;

import static io.javaoperatorsdk.operator.sample.Utils.configMapName;
Expand All @@ -31,6 +38,7 @@ public ConfigMapDependentResource() {

@Override
protected ConfigMap desired(WebPage webPage, Context<WebPage> context) {
log.info("custom value: {}", ((MyConfig) configuration().orElseThrow()).getCustomValue());
Map<String, String> data = new HashMap<>();
data.put("index.html", webPage.getSpec().getHtml());
Map<String, String> labels = new HashMap<>();
Expand Down Expand Up @@ -63,4 +71,34 @@ public ConfigMap update(ConfigMap actual, ConfigMap target, WebPage primary,
.delete();
return res;
}

public static class MyConfig extends KubernetesDependentResourceConfig<ConfigMap> {

public MyConfig(String customValue) {
this.customValue = customValue;
}

public MyConfig() {}

public MyConfig(Set<String> namespaces, String labelSelector,
boolean configuredNS, ResourceDiscriminator<ConfigMap, ?> resourceDiscriminator,
OnAddFilter<ConfigMap> onAddFilter, OnUpdateFilter<ConfigMap> onUpdateFilter,
OnDeleteFilter<ConfigMap> onDeleteFilter, GenericFilter<ConfigMap> genericFilter,
String customValue) {
super(namespaces, labelSelector, configuredNS, resourceDiscriminator, onAddFilter,
onUpdateFilter, onDeleteFilter, genericFilter);
this.customValue = customValue;
}

private String customValue;

public String getCustomValue() {
return customValue;
}

public void setCustomValue(String customValue) {
this.customValue = customValue;
}
}

}