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Fix NPE in cluster state collector for monitoring #52371

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Feb 17, 2020
Merged

Fix NPE in cluster state collector for monitoring #52371

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3 changes: 2 additions & 1 deletion ...main/java/org/elasticsearch/xpack/monitoring/collector/cluster/ClusterStatsCollector.java
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Original file line number Diff line number Diff line change
Expand Up @@ -105,7 +105,8 @@ protected Collection<MonitoringDoc> doCollect(final MonitoringDoc.Node node,
final List<XPackFeatureSet.Usage> xpackUsage = collect(usageSupplier);
final boolean apmIndicesExist = doAPMIndicesExist(clusterState);
// if they have any other type of license, then they are either okay or already know
final boolean clusterNeedsTLSEnabled = license.operationMode() == License.OperationMode.TRIAL &&
final boolean clusterNeedsTLSEnabled = license != null &&
license.operationMode() == License.OperationMode.TRIAL &&
settings.hasValue(SECURITY_ENABLED.getKey()) &&
SECURITY_ENABLED.get(settings) &&
TRANSPORT_SSL_ENABLED.get(settings) == false;
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60 changes: 60 additions & 0 deletions ...java/org/elasticsearch/xpack/monitoring/collector/cluster/ClusterStatsCollectorTests.java
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Expand Up @@ -262,4 +262,64 @@ public void testDoCollect() throws Exception {
verify(clusterAdminClient).prepareClusterStats();
verify(client).execute(same(XPackUsageAction.INSTANCE), any(XPackUsageRequest.class));
}

public void testDoCollectNoLicense() throws Exception {
final TimeValue timeout;
{
final String clusterName = randomAlphaOfLength(10);
whenClusterStateWithName(clusterName);
final String clusterUUID = UUID.randomUUID().toString();
whenClusterStateWithUUID(clusterUUID);
timeout = TimeValue.timeValueSeconds(randomIntBetween(1, 120));
withCollectionTimeout(ClusterStatsCollector.CLUSTER_STATS_TIMEOUT, timeout);
}
final IndexNameExpressionResolver indexNameExpressionResolver;
{
indexNameExpressionResolver = mock(IndexNameExpressionResolver.class);
when(indexNameExpressionResolver.concreteIndices(clusterState, IndicesOptions.lenientExpandOpen(), "apm-*"))
.thenReturn(new Index[0]);
}

final Client client = mock(Client.class);
{
final ClusterStatsResponse mockClusterStatsResponse = mock(ClusterStatsResponse.class);
final ClusterHealthStatus clusterStatus = randomFrom(ClusterHealthStatus.values());
when(mockClusterStatsResponse.getStatus()).thenReturn(clusterStatus);
when(mockClusterStatsResponse.getNodesStats()).thenReturn(mock(ClusterStatsNodes.class));

final ClusterStatsIndices mockClusterStatsIndices = mock(ClusterStatsIndices.class);

when(mockClusterStatsIndices.getIndexCount()).thenReturn(0);
when(mockClusterStatsResponse.getIndicesStats()).thenReturn(mockClusterStatsIndices);

final ClusterStatsRequestBuilder clusterStatsRequestBuilder = mock(ClusterStatsRequestBuilder.class);
when(clusterStatsRequestBuilder.get(eq(timeout))).thenReturn(mockClusterStatsResponse);

final ClusterAdminClient clusterAdminClient = mock(ClusterAdminClient.class);
when(clusterAdminClient.prepareClusterStats()).thenReturn(clusterStatsRequestBuilder);

final AdminClient adminClient = mock(AdminClient.class);
when(adminClient.cluster()).thenReturn(clusterAdminClient);
when(client.admin()).thenReturn(adminClient);

final XPackUsageResponse xPackUsageResponse = new XPackUsageResponse(
singletonList(new MonitoringFeatureSetUsage(true, true, false, null)));
@SuppressWarnings("unchecked")
final ActionFuture<XPackUsageResponse> xPackUsageFuture = (ActionFuture<XPackUsageResponse>) mock(ActionFuture.class);
when(client.execute(same(XPackUsageAction.INSTANCE), any(XPackUsageRequest.class))).thenReturn(xPackUsageFuture);
when(xPackUsageFuture.actionGet()).thenReturn(xPackUsageResponse);
}

final long interval = randomNonNegativeLong();
final Settings.Builder settings = Settings.builder();
final MonitoringDoc.Node node = MonitoringTestUtils.randomMonitoringNode(random());

final ClusterStatsCollector collector =
new ClusterStatsCollector(settings.build(), clusterService, licenseState,
client, licenseService, indexNameExpressionResolver);
final Collection<MonitoringDoc> results = collector.doCollect(node, interval, clusterState);
assertEquals(1, results.size());
final ClusterStatsMonitoringDoc doc = (ClusterStatsMonitoringDoc) results.iterator().next();
assertThat(doc.getLicense(), nullValue());
}
}