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SOLR-13050: add workaround for issue to SystemLogListenerTest 

make sure the node we kill isn't the .system collection leader
This commit is contained in:
Chris Hostetter 2018-12-10 19:06:42 -07:00
parent f89f109ec1
commit a2199c72d4
1 changed files with 30 additions and 16 deletions
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46
solr/core/src/test/org/apache/solr/cloud/autoscaling/SystemLogListenerTest.java
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@ -38,6 +38,7 @@ import org.apache.solr.client.solrj.response.QueryResponse;
import org.apache.solr.cloud.SolrCloudTestCase;
import org.apache.solr.common.SolrDocument;
import org.apache.solr.common.SolrDocumentList;
import org.apache.solr.common.cloud.Replica;
import org.apache.solr.common.params.CollectionAdminParams;
import org.apache.solr.common.params.CommonParams;
import org.apache.solr.common.params.ModifiableSolrParams;
@ -148,25 +149,16 @@ public class SystemLogListenerTest extends SolrCloudTestCase {
response = solrClient.request(req);
assertEquals(response.get("result").toString(), "success");
// stop non-overseer node
NamedList<Object> overSeerStatus = cluster.getSolrClient().request(CollectionAdminRequest.getOverseerStatus());
String overseerLeader = (String) overSeerStatus.get("leader");
int nonOverseerLeaderIndex = 0;
for (int i = 0; i < cluster.getJettySolrRunners().size(); i++) {
JettySolrRunner jetty = cluster.getJettySolrRunner(i);
if (!jetty.getNodeName().equals(overseerLeader)) {
nonOverseerLeaderIndex = i;
}
}
log.info("Stopping node " + cluster.getJettySolrRunner(nonOverseerLeaderIndex).getNodeName());
JettySolrRunner j = cluster.stopJettySolrRunner(nonOverseerLeaderIndex);
cluster.waitForJettyToStop(j);
// Stop a node (that's safe to stop for the purposes of this test)
final JettySolrRunner stoppedJetty = pickNodeToStop();
log.info("Stopping node " + stoppedJetty.getNodeName());
cluster.stopJettySolrRunner(stoppedJetty);
cluster.waitForJettyToStop(stoppedJetty);
assertTrue("Trigger was not fired ", triggerFiredLatch.await(60, TimeUnit.SECONDS));
assertTrue(fired.get());
Map context = actionContextPropsRef.get();
assertNotNull(context);
TimeOut timeout = new TimeOut(30, TimeUnit.SECONDS, TimeSource.NANO_TIME);
@ -199,7 +191,8 @@ public class SystemLogListenerTest extends SolrCloudTestCase {
QueryResponse resp = cluster.getSolrClient().query(CollectionAdminParams.SYSTEM_COLL, query);
SolrDocumentList docs = resp.getResults();
assertNotNull(docs);
assertEquals("wrong number of events added to .system", 9, docs.size());
assertEquals("wrong number of events added to .system: " + docs.toString(),
9, docs.size());
docs.forEach(doc -> assertCommonFields(doc));
// STARTED
@ -273,4 +266,25 @@ public class SystemLogListenerTest extends SolrCloudTestCase {
assertNotNull(doc.getFieldValue("event_str"));
assertEquals("NODELOST", doc.getFieldValue("event.type_s"));
}
/**
* Helper method for picking a node that can safely be stoped
* @see <a href="https://issues.apache.org/jira/browse/SOLR-13050">SOLR-13050</a>
*/
private JettySolrRunner pickNodeToStop() throws Exception {
// first get the nodeName of the overser.
// stopping the overseer is not something we want to hassle with in this test
final String overseerNodeName = (String) cluster.getSolrClient().request
(CollectionAdminRequest.getOverseerStatus()).get("leader");
// now find a node that is *NOT* the overseer or the leader of a .system collection shard
for (Replica r : getCollectionState(CollectionAdminParams.SYSTEM_COLL).getReplicas()) {
if ( ! (r.getBool("leader", false) || r.getNodeName().equals(overseerNodeName) ) ) {
return cluster.getReplicaJetty(r);
}
}
fail("Couldn't find non-leader, non-overseer, replica of .system collection to kill");
return null;
}
}