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Wait for state recovery in testFreshestMasterElectedAfterFullClusterRestart (#39602) 

Zen1IT#testFreshestMasterElectedAfterFullClusterRestart fails sometimes because
we request the cluster state before state recovery has completed, and therefore
obtain the default value for the setting we're relying on.

Confusingly, we were starting out by setting this setting to its default value,
so the test looked like it was failing because of a production bug. This commit
avoids this confusion in future by setting it to a non-default value at the
start of the test.

Fixes #39586.
This commit is contained in:
David Turner 2019-03-04 10:26:07 +00:00 committed by GitHub
parent 782f873165
commit dd68244841
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1 changed files with 14 additions and 9 deletions
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23
server/src/test/java/org/elasticsearch/cluster/coordination/Zen1IT.java
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@ -25,10 +25,10 @@ import org.elasticsearch.action.admin.cluster.configuration.ClearVotingConfigExc
import org.elasticsearch.action.admin.cluster.health.ClusterHealthRequest;
import org.elasticsearch.action.admin.cluster.health.ClusterHealthRequestBuilder;
import org.elasticsearch.action.admin.cluster.health.ClusterHealthResponse;
import org.elasticsearch.action.admin.cluster.state.ClusterStateRequest;
import org.elasticsearch.action.admin.indices.create.CreateIndexRequest;
import org.elasticsearch.client.Client;
import org.elasticsearch.client.Requests;
import org.elasticsearch.cluster.ClusterState;
import org.elasticsearch.cluster.metadata.IndexMetaData;
import org.elasticsearch.cluster.metadata.Manifest;
import org.elasticsearch.cluster.routing.UnassignedInfo;
@ -50,6 +50,7 @@ import org.elasticsearch.transport.TransportService;
import java.util.Collection;
import java.util.Collections;
import java.util.List;
import java.util.concurrent.atomic.AtomicReference;
import java.util.stream.Collectors;
import java.util.stream.IntStream;
import java.util.stream.StreamSupport;
@ -61,6 +62,7 @@ import static org.elasticsearch.cluster.coordination.JoinHelper.START_JOIN_ACTIO
import static org.elasticsearch.cluster.coordination.PublicationTransportHandler.PUBLISH_STATE_ACTION_NAME;
import static org.elasticsearch.cluster.routing.allocation.decider.EnableAllocationDecider.CLUSTER_ROUTING_ALLOCATION_ENABLE_SETTING;
import static org.elasticsearch.cluster.routing.allocation.decider.FilterAllocationDecider.CLUSTER_ROUTING_EXCLUDE_GROUP_SETTING;
import static org.elasticsearch.gateway.GatewayService.STATE_NOT_RECOVERED_BLOCK;
import static org.elasticsearch.node.Node.NODE_NAME_SETTING;
import static org.elasticsearch.test.InternalTestCluster.REMOVED_MINIMUM_MASTER_NODES;
import static org.elasticsearch.test.hamcrest.ElasticsearchAssertions.assertAcked;
@ -311,8 +313,9 @@ public class Zen1IT extends ESIntegTestCase {
public void testFreshestMasterElectedAfterFullClusterRestart() throws Exception {
final List<String> nodeNames = internalCluster().startNodes(3, ZEN1_SETTINGS);
// Set setting to a non-default value on all nodes.
assertTrue(client().admin().cluster().prepareUpdateSettings().setPersistentSettings(Settings.builder()
.put(CLUSTER_ROUTING_ALLOCATION_ENABLE_SETTING.getKey(), Allocation.ALL)).get().isAcknowledged());
.put(CLUSTER_ROUTING_ALLOCATION_ENABLE_SETTING.getKey(), Allocation.NEW_PRIMARIES)).get().isAcknowledged());
final List<NodeEnvironment> nodeEnvironments
= StreamSupport.stream(internalCluster().getDataOrMasterNodeInstances(NodeEnvironment.class).spliterator(), false)
@ -335,6 +338,7 @@ public class Zen1IT extends ESIntegTestCase {
.waitForNoRelocatingShards(true)
.waitForNodes("2")).actionGet().isTimedOut());
// Set setting to a different non-default value on two of the three remaining nodes.
assertTrue(client.admin().cluster().prepareUpdateSettings().setPersistentSettings(Settings.builder()
.put(CLUSTER_ROUTING_ALLOCATION_ENABLE_SETTING.getKey(), Allocation.NONE)).get().isAcknowledged());
}
@ -361,13 +365,14 @@ public class Zen1IT extends ESIntegTestCase {
}
});
assertFalse(client().admin().cluster().health(Requests.clusterHealthRequest()
.waitForEvents(Priority.LANGUID)
.waitForNoRelocatingShards(true)
.waitForNodes("3")).actionGet().isTimedOut());
final AtomicReference<ClusterState> clusterState = new AtomicReference<>();
assertBusy(() -> {
clusterState.set(client().admin().cluster().prepareState().get().getState());
assertFalse(clusterState.get().blocks().hasGlobalBlock(STATE_NOT_RECOVERED_BLOCK));
});
assertThat(CLUSTER_ROUTING_ALLOCATION_ENABLE_SETTING.get(
client().admin().cluster().state(new ClusterStateRequest()).get().getState().metaData().settings()),
equalTo(Allocation.NONE));
final Settings clusterSettings = clusterState.get().metaData().settings();
assertTrue(CLUSTER_ROUTING_ALLOCATION_ENABLE_SETTING.exists(clusterSettings));
assertThat(CLUSTER_ROUTING_ALLOCATION_ENABLE_SETTING.get(clusterSettings), equalTo(Allocation.NONE));
}
}