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* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
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package org.elasticsearch.test.disruption;
import org.elasticsearch.plugins.Plugin;
import org.elasticsearch.test.ESIntegTestCase;
import org.elasticsearch.test.InternalTestCluster;
import org.elasticsearch.test.disruption.NetworkDisruption.NetworkUnresponsive;
import org.elasticsearch.test.disruption.NetworkDisruption.TwoPartitions;
import org.elasticsearch.test.transport.MockTransportService;
import org.elasticsearch.transport.TransportService;
import java.io.IOException;
import java.util.Arrays;
import java.util.Collection;
import java.util.HashSet;
import java.util.Set;
import static org.hamcrest.Matchers.greaterThanOrEqualTo;
public class NetworkDisruptionIT extends ESIntegTestCase {
@Override
protected Collection<Class<? extends Plugin>> nodePlugins() {
return Arrays.asList(MockTransportService.TestPlugin.class);
}
public void testNetworkPartitionWithNodeShutdown() throws IOException {
internalCluster().ensureAtLeastNumDataNodes(2);
String[] nodeNames = internalCluster().getNodeNames();
NetworkDisruption networkDisruption = new NetworkDisruption(new TwoPartitions(nodeNames[0], nodeNames[1]),
new NetworkUnresponsive());
internalCluster().setDisruptionScheme(networkDisruption);
networkDisruption.startDisrupting();
internalCluster().stopRandomNode(InternalTestCluster.nameFilter(nodeNames[0]));
internalCluster().clearDisruptionScheme();
}
public void testNetworkPartitionRemovalRestoresConnections() throws IOException {
Set<String> nodes = new HashSet<>();
nodes.addAll(Arrays.asList(internalCluster().getNodeNames()));
nodes.remove(internalCluster().getMasterName());
if (nodes.size() <= 2) {
internalCluster().ensureAtLeastNumDataNodes(3 - nodes.size());
nodes.addAll(Arrays.asList(internalCluster().getNodeNames()));
nodes.remove(internalCluster().getMasterName());
}
Set<String> side1 = new HashSet<>(randomSubsetOf(randomIntBetween(1, nodes.size() - 1), nodes));
Set<String> side2 = new HashSet<>(nodes);
side2.removeAll(side1);
assertThat(side2.size(), greaterThanOrEqualTo(1));
NetworkDisruption networkDisruption = new NetworkDisruption(new TwoPartitions(side1, side2),
new NetworkDisruption.NetworkDisconnect());
internalCluster().setDisruptionScheme(networkDisruption);
networkDisruption.startDisrupting();
// sends some requests
client(randomFrom(side1)).admin().cluster().prepareNodesInfo().get();
client(randomFrom(side2)).admin().cluster().prepareNodesInfo().get();
internalCluster().clearDisruptionScheme();
// check all connections are restore
for (String nodeA : side1) {
for (String nodeB : side2) {
TransportService serviceA = internalCluster().getInstance(TransportService.class, nodeA);
TransportService serviceB = internalCluster().getInstance(TransportService.class, nodeB);
assertTrue(nodeA + " is not connected to " + nodeB, serviceA.nodeConnected(serviceB.getLocalNode()));
assertTrue(nodeB + " is not connected to " + nodeA, serviceB.nodeConnected(serviceA.getLocalNode()));
}
}
}
}