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/*
* Licensed to Elasticsearch under one or more contributor
* license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright
* ownership. Elasticsearch 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.elasticsearch.tribe;
import org.apache.lucene.util.IOUtils;
import org.elasticsearch.client.Client;
import org.elasticsearch.cluster.ClusterState;
import org.elasticsearch.cluster.node.DiscoveryNode;
import org.elasticsearch.cluster.node.DiscoveryNodeService;
import org.elasticsearch.common.SuppressForbidden;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.env.Environment;
import org.elasticsearch.node.Node;
import org.elasticsearch.node.internal.InternalSettingsPreparer;
import org.elasticsearch.test.ESIntegTestCase;
import org.elasticsearch.test.ESTestCase;
import org.elasticsearch.test.InternalTestCluster;
import org.junit.AfterClass;
import org.junit.BeforeClass;
import java.io.IOException;
import java.nio.file.Path;
import static org.hamcrest.CoreMatchers.either;
import static org.hamcrest.CoreMatchers.equalTo;
/**
* This test doesn't extend {@link ESIntegTestCase} as the internal cluster ignores system properties
* all the time, while we need to make the tribe node accept them in this case, so that we can verify that they are not read again as part
* of the tribe client nodes initialization. Note that the started nodes will obey to the 'node.mode' settings as the internal cluster does.
*/
@SuppressForbidden(reason = "modifies system properties intentionally")
public class TribeUnitTests extends ESTestCase {
private static Node tribe1;
private static Node tribe2;
private static final String NODE_MODE = InternalTestCluster.configuredNodeMode();
@BeforeClass
public static void createTribes() {
Settings baseSettings = Settings.builder()
.put("http.enabled", false)
.put(Node.NODE_MODE_SETTING.getKey(), NODE_MODE)
.put(Environment.PATH_HOME_SETTING.getKey(), createTempDir()).build();
tribe1 = new TribeClientNode(
Settings.builder()
.put(baseSettings)
.put("cluster.name", "tribe1")
.put("node.name", "tribe1_node")
.put(DiscoveryNodeService.NODE_ID_SEED_SETTING.getKey(), random().nextLong())
.build()).start();
tribe2 = new TribeClientNode(
Settings.builder()
.put(baseSettings)
.put("cluster.name", "tribe2")
.put("node.name", "tribe2_node")
.put(DiscoveryNodeService.NODE_ID_SEED_SETTING.getKey(), random().nextLong())
.build()).start();
}
@AfterClass
public static void closeTribes() throws IOException {
IOUtils.close(tribe1, tribe2);
tribe1 = null;
tribe2 = null;
}
public void testThatTribeClientsIgnoreGlobalConfig() throws Exception {
Path pathConf = getDataPath("elasticsearch.yml").getParent();
Settings settings = Settings
.builder()
.put(Environment.PATH_CONF_SETTING.getKey(), pathConf)
.build();
assertTribeNodeSuccessfullyCreated(settings);
}
private static void assertTribeNodeSuccessfullyCreated(Settings extraSettings) throws Exception {
//tribe node doesn't need the node.mode setting, as it's forced local internally anyways. The tribe clients do need it to make sure
//they can find their corresponding tribes using the proper transport
Settings settings = Settings.builder().put("http.enabled", false).put("node.name", "tribe_node")
.put("tribe.t1.node.mode", NODE_MODE).put("tribe.t2.node.mode", NODE_MODE)
.put(Environment.PATH_HOME_SETTING.getKey(), createTempDir())
.put(Node.NODE_MODE_SETTING.getKey(), NODE_MODE)
.put(extraSettings).build();
try (Node node = new Node(settings).start()) {
try (Client client = node.client()) {
assertBusy(new Runnable() {
@Override
public void run() {
ClusterState state = client.admin().cluster().prepareState().clear().setNodes(true).get().getState();
assertThat(state.getClusterName().value(), equalTo("tribe_node_cluster"));
assertThat(state.getNodes().getSize(), equalTo(5));
for (DiscoveryNode discoveryNode : state.getNodes()) {
assertThat(discoveryNode.getName(), either(equalTo("tribe1_node")).or(equalTo("tribe2_node")).or(equalTo("tribe_node"))
.or(equalTo("tribe_node/t1")).or(equalTo("tribe_node/t2")));
}
}
});
}
}
}
}
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