All Downloads are FREE. Search and download functionalities are using the official Maven repository.

io.fabric8.kubernetes.examples.CustomResourceV1Example Maven / Gradle / Ivy

The newest version!
/*
 * Copyright (C) 2015 Red Hat, Inc.
 *
 * 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.fabric8.kubernetes.examples;

import io.fabric8.kubernetes.api.model.DefaultKubernetesResourceList;
import io.fabric8.kubernetes.api.model.Namespaced;
import io.fabric8.kubernetes.api.model.ObjectMetaBuilder;
import io.fabric8.kubernetes.api.model.apiextensions.v1.CustomResourceDefinition;
import io.fabric8.kubernetes.api.model.apiextensions.v1.JSONSchemaPropsBuilder;
import io.fabric8.kubernetes.client.CustomResource;
import io.fabric8.kubernetes.client.KubernetesClient;
import io.fabric8.kubernetes.client.KubernetesClientBuilder;
import io.fabric8.kubernetes.client.dsl.NonNamespaceOperation;
import io.fabric8.kubernetes.client.dsl.Resource;
import io.fabric8.kubernetes.client.dsl.base.CustomResourceDefinitionContext;
import io.fabric8.kubernetes.model.annotation.Group;
import io.fabric8.kubernetes.model.annotation.Version;

import java.io.Serializable;

public class CustomResourceV1Example {

  @SuppressWarnings("java:S106")
  public static void main(String... args) {
    try (KubernetesClient kc = new KubernetesClientBuilder().build()) {
      // @formatter:off
      final CustomResourceDefinition crd = CustomResourceDefinitionContext.v1CRDFromCustomResourceType(Show.class)
        .editSpec().editVersion(0)
          .withNewSchema().withNewOpenAPIV3Schema()
            .withTitle("Shows")
            .withType("object")
            .addToRequired("spec")
            .addToProperties("spec", new JSONSchemaPropsBuilder()
              .withType("object")
              .addToProperties("name", new JSONSchemaPropsBuilder().withType("string").build())
              .addToProperties("score", new JSONSchemaPropsBuilder().withType("number").build())
              .build())
          .endOpenAPIV3Schema().endSchema()
        .endVersion().endSpec().build();
      // @formatter:on
      kc.apiextensions().v1().customResourceDefinitions().resource(crd).createOrReplace();
      System.out.println("Created custom shows.example.com Kubernetes API");
      final NonNamespaceOperation> shows = kc.resources(Show.class, ShowList.class)
          .inNamespace("default");
      shows.list();
      shows.resource(new Show("breaking-bad", new ShowSpec("Breaking Bad", 10))).createOrReplace();
      shows.resource(new Show("better-call-saul", new ShowSpec("Better call Saul", 8))).createOrReplace();
      shows.resource(new Show("the-wire", new ShowSpec("The Wire", 10))).createOrReplace();
      System.out.println("Added three shows");
      shows.list().getItems()
          .forEach(s -> System.out.printf(" - %s%n", s.getSpec().name));
      final Show theWire = shows.withName("the-wire").get();
      System.out.printf("The Wire Score is: %s%n", theWire.getSpec().score);
    }
  }

  @Group("example.com")
  @Version("v1")
  public static final class Show extends CustomResource implements Namespaced {

    @SuppressWarnings("unused")
    public Show() {
      super();
    }

    public Show(String metaName, ShowSpec spec) {
      setMetadata(new ObjectMetaBuilder().withName(metaName).build());
      setSpec(spec);
    }
  }

  public static final class ShowList extends DefaultKubernetesResourceList {
  }

  @SuppressWarnings("unused")
  public static final class ShowSpec implements Serializable {

    private static final long serialVersionUID = -1548881019086449848L;

    private String name;
    private Number score;

    public ShowSpec() {
      super();
    }

    public ShowSpec(String name, int score) {
      this.name = name;
      this.score = score;
    }

    public String getName() {
      return name;
    }

    public Number getScore() {
      return score;
    }

    public void setName(String name) {
      this.name = name;
    }

    public void setScore(Number score) {
      this.score = score;
    }
  }

}




© 2015 - 2024 Weber Informatics LLC | Privacy Policy