NettyTransportMultiPortIntegrationIT.java example

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package org.elasticsearch.transport.netty;

import org.elasticsearch.action.admin.cluster.health.ClusterHealthResponse;
import org.elasticsearch.cluster.health.ClusterHealthStatus;
import org.elasticsearch.action.admin.cluster.node.info.NodeInfo;
import org.elasticsearch.action.admin.cluster.node.info.NodesInfoResponse;
import org.elasticsearch.client.transport.TransportClient;
import org.elasticsearch.common.network.NetworkAddress;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.common.transport.InetSocketTransportAddress;
import org.elasticsearch.common.transport.TransportAddress;
import org.elasticsearch.test.ESIntegTestCase;
import org.elasticsearch.test.junit.annotations.Network;
import org.elasticsearch.transport.TransportModule;
import org.junit.Test;

import java.net.InetAddress;
import java.util.Locale;

import static org.elasticsearch.common.settings.Settings.settingsBuilder;
import static org.elasticsearch.test.ESIntegTestCase.ClusterScope;
import static org.elasticsearch.test.ESIntegTestCase.Scope;
import static org.hamcrest.Matchers.*;

@ClusterScope(scope = Scope.SUITE, numDataNodes = 1, numClientNodes = 0)
public class NettyTransportMultiPortIntegrationIT extends ESIntegTestCase {

    private static int randomPort = -1;
    private static String randomPortRange;

    @Override
    protected Settings nodeSettings(int nodeOrdinal) {
        if (randomPort == -1) {
            randomPort = randomIntBetween(49152, 65525);
            randomPortRange = String.format(Locale.ROOT, "%s-%s", randomPort, randomPort+10);
        }
        Settings.Builder builder = settingsBuilder()
                .put(super.nodeSettings(nodeOrdinal))
                .put("network.host", "127.0.0.1")
                .put(TransportModule.TRANSPORT_TYPE_KEY, "netty")
                .put("node.mode", "network")
                .put("transport.profiles.client1.port", randomPortRange)
                .put("transport.profiles.client1.publish_host", "127.0.0.7")
                .put("transport.profiles.client1.publish_port", "4321")
                .put("transport.profiles.client1.reuse_address", true);
        return builder.build();
    }

    @Test
    public void testThatTransportClientCanConnect() throws Exception {
        Settings settings = settingsBuilder()
                .put("cluster.name", internalCluster().getClusterName())
                .put(TransportModule.TRANSPORT_TYPE_KEY, "netty")
                .put("path.home", createTempDir().toString())
                .build();
        try (TransportClient transportClient = TransportClient.builder().settings(settings).build()) {
            transportClient.addTransportAddress(new InetSocketTransportAddress(InetAddress.getByName("127.0.0.1"), randomPort));
            ClusterHealthResponse response = transportClient.admin().cluster().prepareHealth().get();
            assertThat(response.getStatus(), is(ClusterHealthStatus.GREEN));
        }
    }

    @Test
    @Network
    public void testThatInfosAreExposed() throws Exception {
        NodesInfoResponse response = client().admin().cluster().prepareNodesInfo().clear().setTransport(true).get();
        for (NodeInfo nodeInfo : response.getNodes()) {
            assertThat(nodeInfo.getTransport().getProfileAddresses().keySet(), hasSize(1));
            assertThat(nodeInfo.getTransport().getProfileAddresses(), hasKey("client1"));
            for (TransportAddress transportAddress : nodeInfo.getTransport().getProfileAddresses().get("client1").boundAddresses()) {
                assertThat(transportAddress, instanceOf(InetSocketTransportAddress.class));
            }

            // bound addresses
            for (TransportAddress transportAddress : nodeInfo.getTransport().getProfileAddresses().get("client1").boundAddresses()) {
                assertThat(transportAddress, instanceOf(InetSocketTransportAddress.class));
                assertThat(((InetSocketTransportAddress) transportAddress).address().getPort(), is(allOf(greaterThanOrEqualTo(randomPort), lessThanOrEqualTo(randomPort + 10))));
            }

            // publish address
            assertThat(nodeInfo.getTransport().getProfileAddresses().get("client1").publishAddress(), instanceOf(InetSocketTransportAddress.class));
            InetSocketTransportAddress publishAddress = (InetSocketTransportAddress) nodeInfo.getTransport().getProfileAddresses().get("client1").publishAddress();
            assertThat(NetworkAddress.format(publishAddress.address().getAddress()), is("127.0.0.7"));
            assertThat(publishAddress.address().getPort(), is(4321));
        }
    }
}