io.alauda.kubernetes.client.dsl.internal.StatefulSetOperationsImpl Maven / Gradle / Ivy

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/**
 * Copyright (C) 2018 Alauda
 *
 * 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 io.alauda.kubernetes.client.dsl.internal;

import io.alauda.kubernetes.api.model.Container;
import io.alauda.kubernetes.api.model.ContainerBuilder;
import io.alauda.kubernetes.api.model.extensions.DoneableStatefulSet;
import io.alauda.kubernetes.api.model.extensions.StatefulSet;
import io.alauda.kubernetes.api.model.extensions.StatefulSetBuilder;
import io.alauda.kubernetes.api.model.extensions.StatefulSetList;
import io.alauda.kubernetes.client.Config;
import io.alauda.kubernetes.client.KubernetesClientException;
import io.alauda.kubernetes.client.Watch;
import io.alauda.kubernetes.client.Watcher;
import io.alauda.kubernetes.client.dsl.EditReplacePatchDeletable;
import io.alauda.kubernetes.client.dsl.ImageEditReplacePatchable;
import io.alauda.kubernetes.client.dsl.RollableScalableResource;
import io.alauda.kubernetes.client.dsl.TimeoutImageEditReplacePatchable;
import io.alauda.kubernetes.client.dsl.Watchable;
import okhttp3.OkHttpClient;

import java.util.Collections;
import java.util.Map;
import java.util.TreeMap;
import java.util.concurrent.TimeUnit;

public class StatefulSetOperationsImpl extends RollableScalableResourceOperation>
  implements TimeoutImageEditReplacePatchable
{

  public StatefulSetOperationsImpl(OkHttpClient client, Config config, String namespace) {
    this(client, config, "v1beta1", namespace, null, true, null, null, false, -1, new TreeMap(), new TreeMap(), new TreeMap(), new TreeMap(), new TreeMap(), false, config.getRollingTimeout(), TimeUnit.MILLISECONDS);
  }

  public StatefulSetOperationsImpl(OkHttpClient client, Config config, String apiVersion, String namespace, String name, Boolean cascading, StatefulSet item, String resourceVersion, Boolean reloadingFromServer, long gracePeriodSeconds, Map labels, Map labelsNot, Map labelsIn, Map labelsNotIn, Map fields) {
    this(client, config, apiVersion, namespace, name, cascading, item, resourceVersion, reloadingFromServer, gracePeriodSeconds, labels, labelsNot, labelsIn, labelsNotIn, fields, false, config.getRollingTimeout(), TimeUnit.MILLISECONDS);
  }

  public StatefulSetOperationsImpl(OkHttpClient client, Config config, String apiVersion, String namespace, String name, Boolean cascading, StatefulSet item, String resourceVersion, Boolean reloadingFromServer, long gracePeriodSeconds, Map labels, Map labelsNot, Map labelsIn, Map labelsNotIn, Map fields, Boolean rolling, long rollingTimeout, TimeUnit rollingTimeUnit) {
    super(client, config, "apps", apiVersion, "statefulsets", namespace, name, cascading, item, resourceVersion, reloadingFromServer, gracePeriodSeconds, labels, labelsNot, labelsIn, labelsNotIn, fields, rolling, rollingTimeout, rollingTimeUnit);
  }

  @Override
  public ImageEditReplacePatchable withTimeout(long timeout, TimeUnit unit) {
    return new StatefulSetOperationsImpl(client, getConfig(), getAPIVersion(), namespace, getName(), isCascading(), getItem(), getResourceVersion(), isReloadingFromServer(), getGracePeriodSeconds(), getLabels(), getLabelsNot(), getLabelsIn(), getLabelsNotIn(), getFields(), rolling, timeout, unit);
  }

  @Override
  public ImageEditReplacePatchable withTimeoutInMillis(long timeoutInMillis) {
    return new StatefulSetOperationsImpl(client, getConfig(), getAPIVersion(), namespace, getName(), isCascading(), getItem(), getResourceVersion(), isReloadingFromServer(), getGracePeriodSeconds(), getLabels(), getLabelsNot(), getLabelsIn(), getLabelsNotIn(), getFields(), rolling, timeoutInMillis, TimeUnit.MILLISECONDS);
  }

  @Override
  StatefulSet withReplicas(int count) {
    return cascading(false).edit().editSpec().withReplicas(count).endSpec().done();
  }

  @Override
  RollingUpdater getRollingUpdater(long rollingTimeout, TimeUnit rollingTimeUnit) {
    return new StatefulSetRollingUpdater(client, config, getNamespace(), rollingTimeUnit.toMillis(rollingTimeout), config.getLoggingInterval());
  }

  @Override
  int getCurrentReplicas(StatefulSet current) {
    return current.getStatus().getReplicas();
  }

  @Override
  int getDesiredReplicas(StatefulSet item) {
    return item.getSpec().getReplicas();
  }

  @Override
  long getObservedGeneration(StatefulSet current) {
    return (current != null && current.getStatus() != null && current.getStatus().getObservedGeneration() != null)
      ? current.getStatus().getObservedGeneration() : -1;
  }

  @Override
  public RollableScalableResource withName(String name) {
    if (name == null || name.length() == 0) {
      throw new IllegalArgumentException("Name must be provided.");
    }
    return new StatefulSetOperationsImpl(client, getConfig(), getAPIVersion(), getNamespace(), name, isCascading(), getItem(), getResourceVersion(), isReloadingFromServer(), getGracePeriodSeconds(), getLabels(), getLabelsNot(), getLabelsIn(), getLabelsNotIn(), getFields(), rolling, rollingTimeout, rollingTimeUnit);
  }

  @Override
  public RollableScalableResource fromServer() {
    return new StatefulSetOperationsImpl(client, getConfig(), getAPIVersion(), getNamespace(), getName(), isCascading(), getItem(), getResourceVersion(), true, getGracePeriodSeconds(), getLabels(), getLabelsNot(), getLabelsIn(), getLabelsNotIn(), getFields(), rolling, rollingTimeout, rollingTimeUnit);
  }

  @Override
  public Watchable> withResourceVersion(String resourceVersion) {
    return new StatefulSetOperationsImpl(client, getConfig(), getAPIVersion(), getNamespace(), getName(), isCascading(), getItem(), resourceVersion, isReloadingFromServer(), getGracePeriodSeconds(), getLabels(), getLabelsNot(), getLabelsIn(), getLabelsNotIn(), getFields(), rolling, rollingTimeout, rollingTimeUnit);
  }

  @Override
  public EditReplacePatchDeletable cascading(boolean enabled) {
    return new StatefulSetOperationsImpl(client, getConfig(), getAPIVersion(), getNamespace(), getName(), enabled, getItem(), getResourceVersion(), isReloadingFromServer(), getGracePeriodSeconds(), getLabels(), getLabelsNot(), getLabelsIn(), getLabelsNotIn(), getFields(), rolling, rollingTimeout, rollingTimeUnit);
  }

  @Override
  public StatefulSetOperationsImpl rolling() {
    return new StatefulSetOperationsImpl(client, getConfig(), getAPIVersion(), getNamespace(), getName(), isCascading(), getItem(), getResourceVersion(), isReloadingFromServer(), getGracePeriodSeconds(), getLabels(), getLabelsNot(), getLabelsIn(), getLabelsNotIn(), getFields(), true, rollingTimeout, rollingTimeUnit);
  }

  @Override
  public StatefulSet updateImage(String image) {
    StatefulSet oldRC = get();

    if (oldRC == null) {
      throw new KubernetesClientException("Existing StatefulSet doesn't exist");
    }
    if (oldRC.getSpec().getTemplate().getSpec().getContainers().size() > 1) {
      throw new KubernetesClientException("Image update is not supported for multicontainer pods");
    }
    if (oldRC.getSpec().getTemplate().getSpec().getContainers().size() == 0) {
      throw new KubernetesClientException("Pod has no containers!");
    }

    Container updatedContainer = new ContainerBuilder(oldRC.getSpec().getTemplate().getSpec().getContainers().iterator().next()).withImage(image).build();

    StatefulSetBuilder newRCBuilder = new StatefulSetBuilder(oldRC);
    newRCBuilder.editMetadata().withResourceVersion(null).endMetadata()
      .editSpec().editTemplate().editSpec().withContainers(Collections.singletonList(updatedContainer))
      .endSpec().endTemplate().endSpec();

    return new StatefulSetRollingUpdater(client, config, namespace).rollUpdate(oldRC, newRCBuilder.build());
  }

}