/*
* #%L
* Wildfly Camel :: Testsuite
* %%
* Copyright (C) 2013 - 2017 RedHat
* %%
* 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.
* #L%
*/
package org.wildfly.camel.test.kubernetes;
import io.fabric8.kubernetes.api.model.Container;
import io.fabric8.kubernetes.api.model.ContainerPort;
import io.fabric8.kubernetes.api.model.Pod;
import io.fabric8.kubernetes.api.model.PodSpec;
import io.fabric8.kubernetes.client.KubernetesClient;
import java.io.IOException;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.apache.camel.ProducerTemplate;
import org.apache.camel.builder.RouteBuilder;
import org.apache.camel.component.kubernetes.KubernetesConstants;
import org.apache.camel.component.kubernetes.KubernetesEndpoint;
import org.apache.camel.component.mock.MockEndpoint;
import org.apache.camel.impl.DefaultCamelContext;
import org.jboss.arquillian.container.test.api.Deployment;
import org.jboss.arquillian.junit.Arquillian;
import org.jboss.shrinkwrap.api.ShrinkWrap;
import org.jboss.shrinkwrap.api.spec.WebArchive;
import org.junit.Assert;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.wildfly.camel.test.common.utils.TestUtils;
import org.wildfly.camel.test.kubernetes.subA.FakeKubernetesResponseServlet;
import org.wildfly.extension.camel.CamelAware;
@CamelAware
@RunWith(Arquillian.class)
public class KubernetesIntegrationTest {
private static final String DEFAULT_KUBERNETES_MASTER = "http://localhost:8080/camel-kubernetes-tests/fake-kubernetes";
private static final String DEFAULT_KUBERNETES_NAMESPACE = "default";
private static final String POD_NAME = "wildfly-camel-test";
@Deployment
public static WebArchive createDeployment() {
return ShrinkWrap.create(WebArchive.class, "camel-kubernetes-tests.war")
.addPackage(FakeKubernetesResponseServlet.class.getPackage())
.addClass(TestUtils.class)
.addAsResource("kubernetes/event.json", "event.json")
.addAsResource("kubernetes/podCreated.json", "podCreated.json")
.addAsResource("kubernetes/podList.json", "podList.json");
}
@Test
public void testKubernetesConsumer() throws Exception {
String kubernetesConsumerURI = String.format("kubernetes:%s?category=pods", getKubernetesMaster());
DefaultCamelContext camelctx = new DefaultCamelContext();
camelctx.addRoutes(new RouteBuilder() {
@Override
public void configure() throws Exception {
from(kubernetesConsumerURI)
.to("mock:result");
}
});
MockEndpoint mockEndpoint = camelctx.getEndpoint("mock:result", MockEndpoint.class);
mockEndpoint.expectedMinimumMessageCount(1);
ProducerTemplate template = camelctx.createProducerTemplate();
String podName = POD_NAME + "-consumer";
camelctx.start();
KubernetesEndpoint kubernetesEndpoint = camelctx.getEndpoint(kubernetesConsumerURI, KubernetesEndpoint.class);
String kubernetesNamespace = getNamespace(kubernetesEndpoint.getKubernetesClient());
try {
// Create a pod so we can generate some watch events
Map<String, Object> headers = new HashMap<>();
headers.put(KubernetesConstants.KUBERNETES_NAMESPACE_NAME, kubernetesNamespace);
headers.put(KubernetesConstants.KUBERNETES_POD_NAME, podName);
headers.put(KubernetesConstants.KUBERNETES_POD_SPEC, createPodSpec());
template.requestBodyAndHeaders("kubernetes:" + getKubernetesMaster() + "?category=pods&operation=createPod", null, headers);
mockEndpoint.assertIsSatisfied();
} finally {
// Clean up
Map<String, Object> headers = new HashMap<>();
headers.put(KubernetesConstants.KUBERNETES_NAMESPACE_NAME, kubernetesNamespace);
headers.put(KubernetesConstants.KUBERNETES_POD_NAME, podName);
template.requestBodyAndHeaders("kubernetes:" + getKubernetesMaster() + "?category=pods&operation=deletePod", null, headers);
camelctx.stop();
}
}
@Test
public void testKubernetesProducer() throws Exception {
String kubernetesProducerURI = String.format("kubernetes:%s?category=pods&operation=createPod", getKubernetesMaster());
DefaultCamelContext camelctx = new DefaultCamelContext();
camelctx.addRoutes(new RouteBuilder() {
@Override
public void configure() throws Exception {
from("direct:start")
.to(kubernetesProducerURI);
}
});
ProducerTemplate template = camelctx.createProducerTemplate();
String podName = POD_NAME + "-producer";
camelctx.start();
KubernetesEndpoint kubernetesEndpoint = camelctx.getEndpoint(kubernetesProducerURI, KubernetesEndpoint.class);
String kubernetesNamespace = getNamespace(kubernetesEndpoint.getKubernetesClient());
try {
Map<String, Object> headers = new HashMap<>();
headers.put(KubernetesConstants.KUBERNETES_NAMESPACE_NAME, kubernetesNamespace);
headers.put(KubernetesConstants.KUBERNETES_POD_NAME, podName);
headers.put(KubernetesConstants.KUBERNETES_POD_SPEC, createPodSpec());
Pod pod = template.requestBodyAndHeaders("direct:start", null, headers, Pod.class);
Assert.assertNotNull("Expected pod to be not null", pod);
Assert.assertEquals("Pending", pod.getStatus().getPhase());
} finally {
// Clean up
Map<String, Object> headers = new HashMap<>();
headers.put(KubernetesConstants.KUBERNETES_NAMESPACE_NAME, kubernetesNamespace);
headers.put(KubernetesConstants.KUBERNETES_POD_NAME, podName);
template.requestBodyAndHeaders("kubernetes:" + getKubernetesMaster() + "?category=pods&operation=deletePod", null, headers);
camelctx.stop();
}
}
private PodSpec createPodSpec() throws IOException {
PodSpec podSpec = new PodSpec();
podSpec.setHostname("localhost");
Container container = new Container();
container.setImage("docker.io/wildflyext/wildfly-camel:latest");
container.setName("wildfly-camel-test");
ContainerPort port = new ContainerPort();
port.setHostIP("0.0.0.0");
port.setContainerPort(8080);
List<ContainerPort> ports = new ArrayList<>();
ports.add(port);
container.setPorts(ports);
List<Container> containers = new ArrayList<>();
containers.add(container);
podSpec.setContainers(containers);
return podSpec;
}
private String getNamespace(KubernetesClient client) {
if (client != null && client.getConfiguration().getNamespace() != null) {
return client.getConfiguration().getNamespace();
}
return DEFAULT_KUBERNETES_NAMESPACE;
}
private String getKubernetesMaster() {
String kubernetesMaster = System.getenv("KUBERNETES_MASTER");
return kubernetesMaster == null ? DEFAULT_KUBERNETES_MASTER : kubernetesMaster;
}
}