| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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 org.apache.openjpa.event.kubernetes; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertNotNull; |
| import static org.junit.Assert.assertTrue; |
| |
| import io.fabric8.kubernetes.api.model.Pod; |
| import io.fabric8.kubernetes.api.model.PodBuilder; |
| import io.fabric8.kubernetes.api.model.PodList; |
| import io.fabric8.kubernetes.api.model.PodStatusBuilder; |
| import io.fabric8.kubernetes.client.KubernetesClient; |
| import io.fabric8.kubernetes.client.KubernetesClientException; |
| import io.fabric8.kubernetes.client.server.mock.KubernetesServer; |
| import java.lang.reflect.Field; |
| import java.net.UnknownHostException; |
| import java.util.ArrayList; |
| import java.util.List; |
| import java.util.stream.Collectors; |
| import org.apache.commons.lang.StringUtils; |
| import org.apache.commons.lang.builder.ReflectionToStringBuilder; |
| import org.apache.openjpa.event.TCPRemoteCommitProvider; |
| import org.apache.openjpa.lib.conf.Configuration; |
| import org.apache.openjpa.lib.log.SLF4JLogFactory; |
| import org.jmock.Expectations; |
| import org.jmock.integration.junit4.JUnitRuleMockery; |
| import org.junit.Before; |
| import org.junit.Rule; |
| import org.junit.Test; |
| |
| public class KubernetesTCPRemoteCommitProviderTest { |
| |
| private static final String NAMESPACE = "ns1"; |
| |
| private static final String LABEL = "testKey"; |
| |
| @Rule |
| public JUnitRuleMockery context = new JUnitRuleMockery(); |
| |
| @Rule |
| public KubernetesServer server = new KubernetesServer(true, true); |
| |
| private Pod pod1; |
| |
| private Pod pod2; |
| |
| private Pod pod3; |
| |
| private Pod pod4; |
| |
| @Before |
| public void setupKubernetes() { |
| KubernetesClient client = server.getClient(); |
| |
| pod1 = new PodBuilder(). |
| withNewMetadata(). |
| withName("pod1"). |
| addToLabels(LABEL, "value1"). |
| endMetadata(). |
| withStatus(new PodStatusBuilder().withPodIP("1.1.1.1").build()). |
| build(); |
| client.pods().inNamespace(NAMESPACE).create(pod1); |
| |
| pod2 = new PodBuilder(). |
| withNewMetadata(). |
| withName("pod2"). |
| addToLabels(LABEL, "value2"). |
| endMetadata(). |
| withStatus(new PodStatusBuilder().withPodIP("2.2.2.2").build()). |
| build(); |
| client.pods().inNamespace(NAMESPACE).create(pod2); |
| |
| pod3 = new PodBuilder(). |
| withNewMetadata(). |
| withName("pod3"). |
| endMetadata(). |
| withStatus(new PodStatusBuilder().withPodIP("3.3.3.3").build()). |
| build(); |
| client.pods().inNamespace("ns2").create(pod3); |
| |
| pod4 = new PodBuilder(). |
| withNewMetadata(). |
| withName("pod4"). |
| addToLabels("other", "value1"). |
| endMetadata(). |
| withStatus(new PodStatusBuilder().withPodIP("4.4.4.4").build()). |
| build(); |
| client.pods().inNamespace(NAMESPACE).create(pod4); |
| |
| PodList podList = client.pods().inNamespace(NAMESPACE).withLabel(LABEL).list(); |
| assertNotNull(podList); |
| assertEquals(2, podList.getItems().size()); |
| assertTrue(podList.getItems().contains(pod1)); |
| assertTrue(podList.getItems().contains(pod2)); |
| } |
| |
| @SuppressWarnings("unchecked") |
| private List<String> getAddresses(final KubernetesTCPRemoteCommitProvider rcp) |
| throws NoSuchFieldException, IllegalArgumentException, IllegalAccessException { |
| |
| Field _addresses = TCPRemoteCommitProvider.class.getDeclaredField("_addresses"); |
| _addresses.setAccessible(true); |
| |
| return new ArrayList<>((List<Object>) _addresses.get(rcp)).stream(). |
| map(ReflectionToStringBuilder::toString). |
| map(address -> StringUtils.substringAfter(address, "_address=/")). |
| map(address -> StringUtils.substringBefore(address, ",")). |
| collect(Collectors.toList()); |
| } |
| |
| @Test |
| public void addresses() throws UnknownHostException, NoSuchFieldException, |
| IllegalArgumentException, IllegalAccessException, InterruptedException { |
| |
| // prepare KubernetesTCPRemoteCommitProvider instance, inject mocked Kubernetes client |
| KubernetesTCPRemoteCommitProvider rcp = new KubernetesTCPRemoteCommitProvider() { |
| |
| @Override |
| protected KubernetesClient kubernetesClient() throws KubernetesClientException { |
| return server.getClient(); |
| } |
| }; |
| rcp.setNamespace(NAMESPACE); |
| rcp.setLabel(LABEL); |
| rcp.setCacheDurationMillis(500); |
| |
| // mock OpenJPA configuration |
| Configuration conf = context.mock(Configuration.class); |
| context.checking(new Expectations() { |
| |
| { |
| oneOf(conf).getLog(with(any(String.class))); |
| will(returnValue(new SLF4JLogFactory().getLog(""))); |
| } |
| }); |
| rcp.setConfiguration(conf); |
| |
| // finalize |
| rcp.endConfiguration(); |
| |
| // expect to find remote addresses of matching pods |
| List<String> addresses = getAddresses(rcp); |
| assertEquals(2, addresses.size()); |
| assertTrue(addresses.contains(pod1.getStatus().getPodIP())); |
| assertTrue(addresses.contains(pod2.getStatus().getPodIP())); |
| |
| Thread.sleep(500); |
| |
| addresses = getAddresses(rcp); |
| assertEquals(2, addresses.size()); |
| assertTrue(addresses.contains(pod1.getStatus().getPodIP())); |
| assertTrue(addresses.contains(pod2.getStatus().getPodIP())); |
| } |
| } |