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feature: ResourceID from first owner reference #841

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Merged
merged 3 commits into from
Jan 17, 2022
Merged

feature: ResourceID from first owner reference #841

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cb87975
feature: ResourceID from first owner reference
csviri Jan 17, 2022
bd24950
fix: formatting
csviri Jan 17, 2022
f93cd14
fix: from code review
csviri Jan 17, 2022
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12 changes: 12 additions & 0 deletions ...e/src/main/java/io/javaoperatorsdk/operator/processing/event/source/informer/Mappers.java
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Original file line number Diff line number Diff line change
Expand Up @@ -29,6 +29,18 @@ public static <T extends HasMetadata> PrimaryResourcesRetriever<T> fromLabel(
return fromMetadata(nameKey, namespaceKey, true);
}

public static <T extends HasMetadata> PrimaryResourcesRetriever<T> fromOwnerReference() {
return resource -> {
var ownerReferences = resource.getMetadata().getOwnerReferences();
if (!ownerReferences.isEmpty()) {
return Set.of(new ResourceID(ownerReferences.get(0).getName(),
resource.getMetadata().getNamespace()));
} else {
return Collections.emptySet();
}
};
}

private static <T extends HasMetadata> PrimaryResourcesRetriever<T> fromMetadata(
String nameKey, String namespaceKey, boolean isLabel) {
return resource -> {
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14 changes: 2 additions & 12 deletions ...rs/tomcat-operator/src/main/java/io/javaoperatorsdk/operator/sample/TomcatReconciler.java
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Original file line number Diff line number Diff line change
Expand Up @@ -4,7 +4,6 @@
import java.io.InputStream;
import java.util.List;
import java.util.Objects;
import java.util.Set;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
Expand All @@ -22,12 +21,11 @@
import io.javaoperatorsdk.operator.api.reconciler.EventSourceInitializer;
import io.javaoperatorsdk.operator.api.reconciler.Reconciler;
import io.javaoperatorsdk.operator.api.reconciler.UpdateControl;
import io.javaoperatorsdk.operator.processing.event.ResourceID;
import io.javaoperatorsdk.operator.processing.event.source.EventSource;
import io.javaoperatorsdk.operator.processing.event.source.informer.InformerEventSource;
import io.javaoperatorsdk.operator.processing.event.source.informer.Mappers;

import static io.javaoperatorsdk.operator.api.reconciler.Constants.NO_FINALIZER;
import static java.util.Collections.EMPTY_SET;

/**
* Runs a specified number of Tomcat app server Pods. It uses a Deployment to create the Pods. Also
Expand All @@ -52,15 +50,7 @@ public List<EventSource> prepareEventSources(EventSourceContext<Tomcat> context)
.runnableInformer(0);

return List.of(new InformerEventSource<>(
deploymentInformer, d -> {
var ownerReferences = d.getMetadata().getOwnerReferences();
if (!ownerReferences.isEmpty()) {
return Set.of(new ResourceID(ownerReferences.get(0).getName(),
d.getMetadata().getNamespace()));
} else {
return EMPTY_SET;
}
}));
deploymentInformer, Mappers.fromOwnerReference()));
}

@Override
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