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refactor (jkube-kit/enricher) : Move storageClass related functionali…
…ty out of VolumePermissionEnricher (eclipse-jkube#1179) Related to eclipse-jkube#1179 + Move setting PersistentVolumeClaim's storageClass related logic into a new enricher : PersistentVolumeClaimStorageClassEnricher . This way user can simply exclude VolumePermissionEnricher to opt out of volume permission initContainer. + Deprecate VolumePermissionEnricher's `defaultStorageClass` and `useStorageClassAnnotation` fields in favor of PersistentVolumeClaimStorageClassEnricher equivalents. Signed-off-by: Rohan Kumar <rohaan@redhat.com>
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...rsistentvolumeclaim-storageclass/_jkube_persistentvolumeclaim_storageclass.adoc
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| [[jkube-persistentvolumeclaim-storageclass]] | ||
| ==== jkube-persistentvolumeclaim-storageclass | ||
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| Enricher which fixes adds name of StorageClass required by PersistentVolumeClaim either in metadata or in spec. | ||
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| .Supported properties | ||
| [cols="1,6,1"] | ||
| |=== | ||
| | Option | Description | Property | ||
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| | *defaultStorageClass* | ||
| | PersistentVolume storage class. | ||
| | `jkube.enricher.jkube-volume-permission.defaultStorageClass` | ||
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| | *useStorageClassAnnotation* | ||
| | If enabled, storage class would be added to PersistentVolumeClaim metadata as `volume.beta.kubernetes.io/storage-class=<storageClassName>` annotation rather than `.spec.storageClassName` | ||
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| Defaults to `false` | ||
| | `jkube.enricher.jkube-volume-permission.useStorageClassAnnotation` | ||
| |=== |
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84 changes: 84 additions & 0 deletions
84
...in/java/org/eclipse/jkube/enricher/generic/PersistentVolumeClaimStorageClassEnricher.java
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| /** | ||
| * Copyright (c) 2019 Red Hat, Inc. | ||
| * This program and the accompanying materials are made | ||
| * available under the terms of the Eclipse Public License 2.0 | ||
| * which is available at: | ||
| * | ||
| * https://www.eclipse.org/legal/epl-2.0/ | ||
| * | ||
| * SPDX-License-Identifier: EPL-2.0 | ||
| * | ||
| * Contributors: | ||
| * Red Hat, Inc. - initial API and implementation | ||
| */ | ||
| package org.eclipse.jkube.enricher.generic; | ||
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| import io.fabric8.kubernetes.api.builder.TypedVisitor; | ||
| import io.fabric8.kubernetes.api.model.KubernetesListBuilder; | ||
| import io.fabric8.kubernetes.api.model.PersistentVolumeClaimBuilder; | ||
| import lombok.AllArgsConstructor; | ||
| import lombok.Getter; | ||
| import org.apache.commons.lang3.StringUtils; | ||
| import org.eclipse.jkube.kit.common.Configs; | ||
| import org.eclipse.jkube.kit.config.resource.PlatformMode; | ||
| import org.eclipse.jkube.kit.enricher.api.BaseEnricher; | ||
| import org.eclipse.jkube.kit.enricher.api.JKubeEnricherContext; | ||
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| public class PersistentVolumeClaimStorageClassEnricher extends BaseEnricher { | ||
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| public static final String ENRICHER_NAME = "jkube-persistentvolumeclaim-storageclass"; | ||
| static final String VOLUME_STORAGE_CLASS_ANNOTATION = "volume.beta.kubernetes.io/storage-class"; | ||
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| @AllArgsConstructor | ||
| enum Config implements Configs.Config { | ||
| DEFAULT_STORAGE_CLASS("defaultStorageClass", null), | ||
| USE_ANNOTATION("useStorageClassAnnotation", "false"); | ||
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| @Getter | ||
| protected String key; | ||
| @Getter | ||
| protected String defaultValue; | ||
| } | ||
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| public PersistentVolumeClaimStorageClassEnricher(JKubeEnricherContext buildContext) { | ||
| super(buildContext, ENRICHER_NAME); | ||
| } | ||
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| @Override | ||
| public void enrich(PlatformMode platformMode, KubernetesListBuilder builder) { | ||
| builder.accept(new TypedVisitor<PersistentVolumeClaimBuilder>() { | ||
| @Override | ||
| public void visit(PersistentVolumeClaimBuilder pvcBuilder) { | ||
| // lets ensure we have a default storage class so that PVs will get dynamically created OOTB | ||
| if (pvcBuilder.buildMetadata() == null) { | ||
| pvcBuilder.withNewMetadata().endMetadata(); | ||
| } | ||
| String storageClass = getStorageClass(); | ||
| if (StringUtils.isNotBlank(storageClass)) { | ||
| if (shouldUseAnnotation()) { | ||
| pvcBuilder.editMetadata().addToAnnotations(VOLUME_STORAGE_CLASS_ANNOTATION, storageClass).endMetadata(); | ||
| } else { | ||
| pvcBuilder.editSpec().withStorageClassName(storageClass).endSpec(); | ||
| } | ||
| } | ||
| } | ||
| }); | ||
| } | ||
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| private boolean shouldUseAnnotation() { | ||
| if (Boolean.TRUE.equals(Boolean.parseBoolean(getConfig(Config.USE_ANNOTATION)))) { | ||
| return true; | ||
| } | ||
| VolumePermissionEnricher volumePermissionEnricher = new VolumePermissionEnricher((JKubeEnricherContext) getContext()); | ||
| return Boolean.TRUE.equals(volumePermissionEnricher.shouldUseAnnotation()); | ||
| } | ||
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| private String getStorageClass() { | ||
| String storageClassConfig = getConfig(Config.DEFAULT_STORAGE_CLASS); | ||
| if (StringUtils.isNotBlank(storageClassConfig)) { | ||
| return storageClassConfig; | ||
| } | ||
| VolumePermissionEnricher volumePermissionEnricher = new VolumePermissionEnricher((JKubeEnricherContext) getContext()); | ||
| return volumePermissionEnricher.getDefaultStorageClass(); | ||
| } | ||
| } |
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...ava/org/eclipse/jkube/enricher/generic/PersistentVolumeClaimStorageClassEnricherTest.java
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| /** | ||
| * Copyright (c) 2019 Red Hat, Inc. | ||
| * This program and the accompanying materials are made | ||
| * available under the terms of the Eclipse Public License 2.0 | ||
| * which is available at: | ||
| * | ||
| * https://www.eclipse.org/legal/epl-2.0/ | ||
| * | ||
| * SPDX-License-Identifier: EPL-2.0 | ||
| * | ||
| * Contributors: | ||
| * Red Hat, Inc. - initial API and implementation | ||
| */ | ||
| package org.eclipse.jkube.enricher.generic; | ||
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| import io.fabric8.kubernetes.api.model.KubernetesListBuilder; | ||
| import io.fabric8.kubernetes.api.model.PersistentVolumeClaim; | ||
| import io.fabric8.kubernetes.api.model.PersistentVolumeClaimBuilder; | ||
| import org.assertj.core.api.InstanceOfAssertFactories; | ||
| import org.eclipse.jkube.kit.config.resource.PlatformMode; | ||
| import org.eclipse.jkube.kit.enricher.api.JKubeEnricherContext; | ||
| import org.junit.jupiter.api.BeforeEach; | ||
| import org.junit.jupiter.params.ParameterizedTest; | ||
| import org.junit.jupiter.params.provider.ValueSource; | ||
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| import java.util.Collections; | ||
| import java.util.Properties; | ||
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| import static org.assertj.core.api.Assertions.assertThat; | ||
| import static org.mockito.Mockito.RETURNS_DEEP_STUBS; | ||
| import static org.mockito.Mockito.mock; | ||
| import static org.mockito.Mockito.when; | ||
|
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| class PersistentVolumeClaimStorageClassEnricherTest { | ||
| private JKubeEnricherContext context; | ||
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| @BeforeEach | ||
| void setUp() { | ||
| context = mock(JKubeEnricherContext.class, RETURNS_DEEP_STUBS); | ||
| } | ||
|
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| @ParameterizedTest | ||
| @ValueSource(strings = {"jkube-persistentvolumeclaim-storageclass", "jkube-volume-permission"}) | ||
| void enrich_withPersistentVolumeClaim_shouldAddStorageClassToSpec(String enricher) { | ||
| // Given | ||
| Properties properties = new Properties(); | ||
| properties.put("jkube.enricher." + enricher + ".defaultStorageClass", "standard"); | ||
| when(context.getProperties()).thenReturn(properties); | ||
| PersistentVolumeClaimStorageClassEnricher volumePermissionEnricher = new PersistentVolumeClaimStorageClassEnricher(context); | ||
| KubernetesListBuilder klb = new KubernetesListBuilder(); | ||
| klb.addToItems(createNewPersistentVolumeClaim()); | ||
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| // When | ||
| volumePermissionEnricher.enrich(PlatformMode.kubernetes, klb); | ||
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| // Then | ||
| assertThat(klb.buildItems()) | ||
| .singleElement(InstanceOfAssertFactories.type(PersistentVolumeClaim.class)) | ||
| .hasFieldOrPropertyWithValue("spec.storageClassName", "standard") | ||
| .extracting("metadata.annotations") | ||
| .asInstanceOf(InstanceOfAssertFactories.map(String.class, Object.class)) | ||
| .isNullOrEmpty(); | ||
| } | ||
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| @ParameterizedTest | ||
| @ValueSource(strings = {"jkube-persistentvolumeclaim-storageclass", "jkube-volume-permission"}) | ||
| void enrich_withPersistentVolumeClaimAndUseAnnotationEnabled_shouldAddStorageClassAnnotation(String enricher) { | ||
| // Given | ||
| Properties properties = new Properties(); | ||
| properties.put("jkube.enricher." + enricher + ".defaultStorageClass", "standard"); | ||
| properties.put("jkube.enricher." + enricher + ".useStorageClassAnnotation", "true"); | ||
| when(context.getProperties()).thenReturn(properties); | ||
| PersistentVolumeClaimStorageClassEnricher volumePermissionEnricher = new PersistentVolumeClaimStorageClassEnricher(context); | ||
| KubernetesListBuilder klb = new KubernetesListBuilder(); | ||
| klb.addToItems(createNewPersistentVolumeClaim()); | ||
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| // When | ||
| volumePermissionEnricher.enrich(PlatformMode.kubernetes, klb); | ||
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| // Then | ||
| assertThat(klb.buildItems()) | ||
| .singleElement(InstanceOfAssertFactories.type(PersistentVolumeClaim.class)) | ||
| .hasFieldOrPropertyWithValue("metadata.annotations", Collections.singletonMap("volume.beta.kubernetes.io/storage-class", "standard")) | ||
| .hasFieldOrPropertyWithValue("spec.storageClassName", null); | ||
| } | ||
|
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| private PersistentVolumeClaim createNewPersistentVolumeClaim() { | ||
| return new PersistentVolumeClaimBuilder() | ||
| .withNewMetadata().withName("pv1").endMetadata() | ||
| .withNewSpec().endSpec() | ||
| .build(); | ||
| } | ||
| } |
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