/
ConfigUseContext.java
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/
ConfigUseContext.java
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/*
* 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.kubectl.equivalents;
import io.fabric8.kubernetes.api.model.ObjectMeta;
import io.fabric8.kubernetes.api.model.Pod;
import io.fabric8.kubernetes.client.Config;
import io.fabric8.kubernetes.client.KubernetesClient;
import io.fabric8.kubernetes.client.KubernetesClientBuilder;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* Java equivalent of `kubectl config use-context my-cluster-name`. You can specify a different
* context before creating the client(which may be different from current context in your KubeConfig).
* Changing context after creation of client is not supported right now:
* https://github.com/fabric8io/kubernetes-client/issues/1512
*/
public class ConfigUseContext {
private static final Logger logger = LoggerFactory.getLogger(ConfigUseContext.class);
public static void main(String[] args) {
// Pass the context you want to use in Config.autoConfigure(..)
Config config = Config.autoConfigure("minikube");
// Use modified Config for your operations with KubernetesClient
try (final KubernetesClient k8s = new KubernetesClientBuilder().withConfig(config).build()) {
k8s.pods().inNamespace("default").list().getItems().stream()
.map(Pod::getMetadata)
.map(ObjectMeta::getName)
.forEach(logger::info);
}
}
}