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* 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.
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package org.apache.camel.component.kubernetes.producer;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import io.fabric8.kubernetes.api.model.ReplicationController;
import io.fabric8.kubernetes.api.model.ReplicationControllerBuilder;
import io.fabric8.kubernetes.api.model.ReplicationControllerListBuilder;
import io.fabric8.kubernetes.client.KubernetesClient;
import io.fabric8.kubernetes.client.server.mock.KubernetesServer;
import org.apache.camel.BindToRegistry;
import org.apache.camel.Exchange;
import org.apache.camel.Processor;
import org.apache.camel.builder.RouteBuilder;
import org.apache.camel.component.kubernetes.KubernetesConstants;
import org.apache.camel.component.kubernetes.KubernetesTestSupport;
import org.junit.Rule;
import org.junit.Test;
public class KubernetesReplicationControllersProducerTest extends KubernetesTestSupport {
@Rule
public KubernetesServer server = new KubernetesServer();
@BindToRegistry("kubernetesClient")
public KubernetesClient getClient() throws Exception {
return server.getClient();
}
@Test
public void listTest() throws Exception {
server.expect().withPath("/api/v1/replicationcontrollers")
.andReturn(200, new ReplicationControllerListBuilder().addNewItem().and().addNewItem().and().addNewItem().and().build()).once();
List<ReplicationController> result = template.requestBody("direct:list", "", List.class);
assertEquals(3, result.size());
}
@Test
public void listByLabelsTest() throws Exception {
server.expect().withPath("/api/v1/replicationcontrollers?labelSelector=" + toUrlEncoded("key1=value1,key2=value2"))
.andReturn(200, new ReplicationControllerListBuilder().addNewItem().and().addNewItem().and().addNewItem().and().build()).once();
Exchange ex = template.request("direct:listByLabels", new Processor() {
@Override
public void process(Exchange exchange) throws Exception {
Map<String, String> labels = new HashMap<>();
labels.put("key1", "value1");
labels.put("key2", "value2");
exchange.getIn().setHeader(KubernetesConstants.KUBERNETES_REPLICATION_CONTROLLERS_LABELS, labels);
}
});
List<ReplicationController> result = ex.getOut().getBody(List.class);
assertEquals(3, result.size());
}
@Test
public void getReplicationControllerTest() throws Exception {
ReplicationController rc1 = new ReplicationControllerBuilder().withNewMetadata().withName("rc1").withNamespace("test").and().build();
server.expect().withPath("/api/v1/namespaces/test/replicationcontrollers/rc1").andReturn(200, rc1).once();
Exchange ex = template.request("direct:getReplicationController", new Processor() {
@Override
public void process(Exchange exchange) throws Exception {
exchange.getIn().setHeader(KubernetesConstants.KUBERNETES_NAMESPACE_NAME, "test");
exchange.getIn().setHeader(KubernetesConstants.KUBERNETES_REPLICATION_CONTROLLER_NAME, "rc1");
}
});
ReplicationController result = ex.getOut().getBody(ReplicationController.class);
assertNotNull(result);
}
@Test
public void createAndDeleteReplicationController() throws Exception {
server.expect().withPath("/api/v1/namespaces/test/replicationcontrollers/repl1").andReturn(200, new ReplicationControllerBuilder().withNewMetadata().withName("repl1")
.withResourceVersion("1").endMetadata().withNewSpec().withReplicas(0).endSpec().withNewStatus().withReplicas(1).endStatus().build()).once();
server.expect().withPath("/api/v1/namespaces/test/replicationcontrollers/repl1").andReturn(200, new ReplicationControllerBuilder().withNewMetadata().withName("repl1")
.withResourceVersion("1").endMetadata().withNewSpec().withReplicas(0).endSpec().withNewStatus().withReplicas(0).endStatus().build()).times(5);
Exchange ex = template.request("direct:deleteReplicationController", new Processor() {
@Override
public void process(Exchange exchange) throws Exception {
exchange.getIn().setHeader(KubernetesConstants.KUBERNETES_NAMESPACE_NAME, "test");
exchange.getIn().setHeader(KubernetesConstants.KUBERNETES_REPLICATION_CONTROLLER_NAME, "repl1");
}
});
boolean rcDeleted = ex.getOut().getBody(Boolean.class);
assertTrue(rcDeleted);
}
@Test
public void createScaleAndDeleteReplicationController() throws Exception {
server.expect().withPath("/api/v1/namespaces/test/replicationcontrollers/repl1").andReturn(200, new ReplicationControllerBuilder().withNewMetadata().withName("repl1")
.withResourceVersion("1").endMetadata().withNewSpec().withReplicas(5).endSpec().withNewStatus().withReplicas(1).endStatus().build()).once();
server.expect().withPath("/api/v1/namespaces/test/replicationcontrollers/repl1").andReturn(200, new ReplicationControllerBuilder().withNewMetadata().withName("repl1")
.withResourceVersion("1").endMetadata().withNewSpec().withReplicas(5).endSpec().withNewStatus().withReplicas(5).endStatus().build()).always();
Exchange ex = template.request("direct:scaleReplicationController", new Processor() {
@Override
public void process(Exchange exchange) throws Exception {
exchange.getIn().setHeader(KubernetesConstants.KUBERNETES_NAMESPACE_NAME, "test");
exchange.getIn().setHeader(KubernetesConstants.KUBERNETES_REPLICATION_CONTROLLER_NAME, "repl1");
exchange.getIn().setHeader(KubernetesConstants.KUBERNETES_REPLICATION_CONTROLLER_REPLICAS, 1);
}
});
Thread.sleep(3000);
int replicas = ex.getOut().getBody(Integer.class);
assertEquals(5, replicas);
}
@Override
protected RouteBuilder createRouteBuilder() throws Exception {
return new RouteBuilder() {
@Override
public void configure() throws Exception {
from("direct:list").to("kubernetes-replication-controllers:///?kubernetesClient=#kubernetesClient&operation=listReplicationControllers");
from("direct:listByLabels").to("kubernetes-replication-controllers:///?kubernetesClient=#kubernetesClient&operation=listReplicationControllersByLabels");
from("direct:getReplicationController").to("kubernetes-replication-controllers:///?kubernetesClient=#kubernetesClient&operation=getReplicationController");
from("direct:createReplicationController").to("kubernetes-replication-controllers:///?kubernetesClient=#kubernetesClient&operation=createReplicationController");
from("direct:scaleReplicationController").to("kubernetes-replication-controllers:///?kubernetesClient=#kubernetesClient&operation=scaleReplicationController");
from("direct:deleteReplicationController").to("kubernetes-replication-controllers:///?kubernetesClient=#kubernetesClient&operation=deleteReplicationController");
}
};
}
}