operator/src/main/java/com/google/gerrit/k8s/operator/cluster/GitRepositoriesPVC.java

// Copyright (C) 2022 The Android Open Source Project
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package com.google.gerrit.k8s.operator.cluster;

import io.fabric8.kubernetes.api.model.PersistentVolumeClaim;
import io.fabric8.kubernetes.api.model.PersistentVolumeClaimBuilder;
import io.javaoperatorsdk.operator.api.reconciler.Context;
import io.javaoperatorsdk.operator.processing.dependent.kubernetes.CRUDKubernetesDependentResource;
import io.javaoperatorsdk.operator.processing.dependent.kubernetes.KubernetesDependent;
import java.util.Map;

@KubernetesDependent(labelSelector = "app.kubernetes.io/component=git-repositories-storage")
public class GitRepositoriesPVC
    extends CRUDKubernetesDependentResource<PersistentVolumeClaim, GerritCluster> {

  public static final String REPOSITORY_PVC_NAME = "git-repositories-pvc";

  public GitRepositoriesPVC() {
    super(PersistentVolumeClaim.class);
  }

  @Override
  protected PersistentVolumeClaim desired(
      GerritCluster gerritCluster, Context<GerritCluster> context) {
    PersistentVolumeClaim gitRepoPvc =
        new PersistentVolumeClaimBuilder()
            .withNewMetadata()
            .withName(REPOSITORY_PVC_NAME)
            .withNamespace(gerritCluster.getMetadata().getNamespace())
            .withLabels(
                gerritCluster.getLabels(
                    "git-repositories-storage", this.getClass().getSimpleName()))
            .endMetadata()
            .withNewSpec()
            .withAccessModes("ReadWriteMany")
            .withNewResources()
            .withRequests(
                Map.of("storage", gerritCluster.getSpec().getGitRepositoryStorage().getSize()))
            .endResources()
            .withStorageClassName(gerritCluster.getSpec().getStorageClasses().getReadWriteMany())
            .withSelector(gerritCluster.getSpec().getGitRepositoryStorage().getSelector())
            .withVolumeName(gerritCluster.getSpec().getGitRepositoryStorage().getVolumeName())
            .endSpec()
            .build();

    return gitRepoPvc;
  }
}