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CreatePod.java
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CreatePod.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;
import io.fabric8.kubernetes.api.model.HasMetadata;
import io.fabric8.kubernetes.api.model.Pod;
import io.fabric8.kubernetes.api.model.PodList;
import io.fabric8.kubernetes.client.Config;
import io.fabric8.kubernetes.client.ConfigBuilder;
import io.fabric8.kubernetes.client.DefaultKubernetesClient;
import io.fabric8.kubernetes.client.KubernetesClient;
import io.fabric8.kubernetes.client.dsl.NonNamespaceOperation;
import io.fabric8.kubernetes.client.dsl.PodResource;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.io.File;
import java.io.FileInputStream;
import java.util.List;
public class CreatePod {
private static final Logger logger = LoggerFactory.getLogger(CreatePod.class);
public static void main(String[] args) {
if (args.length == 0) {
logger.warn("Usage: podJsonFileName <token> <namespace>");
return;
}
String fileName = args[0];
String namespace = null;
if (args.length > 2) {
namespace = args[2];
}
File file = new File(fileName);
if (!file.exists() || !file.isFile()) {
logger.warn("File does not exist: {}", fileName);
return;
}
ConfigBuilder builder = new ConfigBuilder();
if (args.length > 1) {
builder.withOauthToken(args[1]);
}
Config config = builder.build();
try (final KubernetesClient client = new DefaultKubernetesClient(config)) {
if (namespace == null) {
namespace = client.getNamespace();
}
List<HasMetadata> resources = client.load(new FileInputStream(fileName)).get();
if (resources.isEmpty()) {
logger.error("No resources loaded from file: {}", fileName);
return;
}
HasMetadata resource = resources.get(0);
if (resource instanceof Pod){
Pod pod = (Pod) resource;
logger.info("Creating pod in namespace {}", namespace);
NonNamespaceOperation<Pod, PodList, PodResource<Pod>> pods = client.pods().inNamespace(namespace);
Pod result = pods.create(pod);
logger.info("Created pod {}", result.getMetadata().getName());
} else {
logger.error("Loaded resource is not a Pod! {}", resource);
}
} catch (Exception e) {
logger.error(e.getMessage(), e);
}
}
}