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feat: expressive error for missing @ControllerConfiguration annotation #1190

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Merged
csviri merged 3 commits into from
May 4, 2022
Merged

feat: expressive error for missing @ControllerConfiguration annotation #1190

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f5b30f7
feat: expressive error for missing @ControllerConfiguration annotation
csviri May 3, 2022
4d5e928
fix
csviri May 3, 2022
c12c564
fix form pr
csviri May 4, 2022
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5 changes: 5 additions & 0 deletions ...c/main/java/io/javaoperatorsdk/operator/api/config/AnnotationControllerConfiguration.java
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Original file line number Diff line number Diff line change
Expand Up @@ -11,6 +11,7 @@
import java.util.stream.Collectors;

import io.fabric8.kubernetes.api.model.HasMetadata;
import io.javaoperatorsdk.operator.OperatorException;
import io.javaoperatorsdk.operator.ReconcilerUtils;
import io.javaoperatorsdk.operator.api.config.dependent.DependentResourceSpec;
import io.javaoperatorsdk.operator.api.reconciler.Constants;
Expand All @@ -35,6 +36,10 @@ public class AnnotationControllerConfiguration<R extends HasMetadata>
public AnnotationControllerConfiguration(Reconciler<R> reconciler) {
this.reconciler = reconciler;
this.annotation = reconciler.getClass().getAnnotation(ControllerConfiguration.class);
if (annotation == null) {
throw new OperatorException("Missing mandatory " +
"@ControllerConfiguration annotation from the reconciler: " + reconciler);
}
}

@Override
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18 changes: 18 additions & 0 deletions ...ava/io/javaoperatorsdk/operator/config/runtime/AnnotationControllerConfigurationTest.java
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Expand Up @@ -4,9 +4,11 @@
import java.util.Optional;
import java.util.Set;

import org.junit.jupiter.api.Assertions;
import org.junit.jupiter.api.Test;

import io.fabric8.kubernetes.api.model.ConfigMap;
import io.javaoperatorsdk.operator.OperatorException;
import io.javaoperatorsdk.operator.api.config.dependent.DependentResourceSpec;
import io.javaoperatorsdk.operator.api.reconciler.Context;
import io.javaoperatorsdk.operator.api.reconciler.ControllerConfiguration;
Expand Down Expand Up @@ -77,6 +79,13 @@ void getDependentResources() {
assertTrue(maybeConfig.get() instanceof KubernetesDependentResourceConfig);
}

@Test
void missingAnnotationThrowsException() {
Assertions.assertThrows(OperatorException.class, () -> {
new AnnotationControllerConfiguration<>(new MissingAnnotationReconciler());
});
}

@SuppressWarnings("rawtypes")
private DependentResourceSpec findByName(
List<DependentResourceSpec> dependentResourceSpecList, String name) {
Expand Down Expand Up @@ -157,6 +166,7 @@ public UpdateControl<ConfigMap> reconcile(ConfigMap resource, Context<ConfigMap>
}
}

@ControllerConfiguration
private static class NoDepReconciler implements Reconciler<ConfigMap> {

@Override
Expand Down Expand Up @@ -185,4 +195,12 @@ public WithAnnotation() {
}
}
}

private static class MissingAnnotationReconciler implements Reconciler<ConfigMap> {

@Override
public UpdateControl<ConfigMap> reconcile(ConfigMap resource, Context<ConfigMap> context) {
return null;
}
}
}
9 changes: 1 addition & 8 deletions ...c/main/java/io/javaoperatorsdk/operator/sample/WebPageStandaloneDependentsReconciler.java
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Expand Up @@ -11,14 +11,7 @@
import io.fabric8.kubernetes.api.model.apps.Deployment;
import io.fabric8.kubernetes.api.model.networking.v1.Ingress;
import io.fabric8.kubernetes.client.KubernetesClient;
import io.javaoperatorsdk.operator.api.reconciler.Context;
import io.javaoperatorsdk.operator.api.reconciler.ControllerConfiguration;
import io.javaoperatorsdk.operator.api.reconciler.ErrorStatusHandler;
import io.javaoperatorsdk.operator.api.reconciler.ErrorStatusUpdateControl;
import io.javaoperatorsdk.operator.api.reconciler.EventSourceContext;
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.api.reconciler.*;
import io.javaoperatorsdk.operator.processing.dependent.kubernetes.KubernetesDependentResource;
import io.javaoperatorsdk.operator.processing.dependent.kubernetes.KubernetesDependentResourceConfig;
import io.javaoperatorsdk.operator.processing.event.source.EventSource;
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