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SOLR-11469: Sanity check assertions about coreNodeNames are identical in 2 collections

This commit is contained in:
Cao Manh Dat 2017-10-25 09:11:32 +07:00
parent ef7b525123
commit 81a4f7cc9c
1 changed files with 19 additions and 27 deletions
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46
solr/core/src/test/org/apache/solr/cloud/LeaderElectionContextKeyTest.java
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@ -26,7 +26,7 @@ import org.apache.solr.client.solrj.SolrServerException;
import org.apache.solr.client.solrj.impl.HttpSolrClient;
import org.apache.solr.client.solrj.request.CollectionAdminRequest;
import org.apache.solr.client.solrj.request.CoreAdminRequest;
import org.apache.solr.common.cloud.DocCollection;
import org.apache.solr.common.cloud.ClusterState;
import org.apache.solr.common.cloud.Replica;
import org.apache.solr.common.cloud.SolrZkClient;
import org.apache.solr.common.cloud.ZkStateReader;
@ -72,14 +72,26 @@ public class LeaderElectionContextKeyTest extends SolrCloudTestCase {
public void test() throws KeeperException, InterruptedException, IOException, SolrServerException {
ZkStateReader stateReader = cluster.getSolrClient().getZkStateReader();
stateReader.forceUpdateCollection(TEST_COLLECTION_1);
List<Replica> replicasOfCollection1 = stateReader.getClusterState().getCollection(TEST_COLLECTION_1).getReplicas();
List<Replica> replicasOfCollection2 = stateReader.getClusterState().getCollection(TEST_COLLECTION_2).getReplicas();
Replica replica = findLeaderReplicaWithDuplicatedName(replicasOfCollection1, replicasOfCollection2);
String shard = getShard(stateReader.getClusterState().getCollection(TEST_COLLECTION_1), replica);
ClusterState clusterState = stateReader.getClusterState();
// The test assume that TEST_COLLECTION_1 and TEST_COLLECTION_2 will have identical layout
// ( same replica's name on every shard )
for (int i = 1; i <= 2; i++) {
String coll1ShardiLeader = clusterState.getCollection(TEST_COLLECTION_1).getLeader("shard"+i).getName();
String coll2ShardiLeader = clusterState.getCollection(TEST_COLLECTION_2).getLeader("shard"+i).getName();
String assertMss = String.format("Expect %s and %s each have a replica with same name on shard %s",
coll1ShardiLeader, coll2ShardiLeader, "shard"+i);
assertEquals(
assertMss,
coll1ShardiLeader,
coll2ShardiLeader
);
}
String shard = "shard" + String.valueOf(random().nextInt(2) + 1);
Replica replica = clusterState.getCollection(TEST_COLLECTION_1).getLeader(shard);
assertNotNull(replica);
SolrClient shardLeaderClient = new HttpSolrClient.Builder(replica.get("base_url").toString()).build();
try {
try (SolrClient shardLeaderClient = new HttpSolrClient.Builder(replica.get("base_url").toString()).build()) {
assertEquals(1L, getElectionNodes(TEST_COLLECTION_1, shard, stateReader.getZkClient()).size());
List<String> collection2Shard1Nodes = getElectionNodes(TEST_COLLECTION_2, "shard1", stateReader.getZkClient());
List<String> collection2Shard2Nodes = getElectionNodes(TEST_COLLECTION_2, "shard2", stateReader.getZkClient());
@ -99,29 +111,9 @@ public class LeaderElectionContextKeyTest extends SolrCloudTestCase {
// There are no leader election was kicked off on testCollection2
assertThat(collection2Shard1Nodes, CoreMatchers.is(getElectionNodes(TEST_COLLECTION_2, "shard1", stateReader.getZkClient())));
assertThat(collection2Shard2Nodes, CoreMatchers.is(getElectionNodes(TEST_COLLECTION_2, "shard2", stateReader.getZkClient())));
} finally {
shardLeaderClient.close();
}
}
private String getShard(DocCollection docCollection, Replica replica) {
return docCollection.getShardId(replica.getNodeName(), replica.getCoreName());
}
private Replica findLeaderReplicaWithDuplicatedName(List<Replica> replicas1, List<Replica> replicas2) {
for (Replica replica1 : replicas1) {
if (!replica1.containsKey("leader")) continue;
for (Replica replica2 : replicas2) {
if (replica1.getName().equals(replica2.getName())
&& replica1.get("base_url").equals(replica2.get("base_url"))
&& replica2.containsKey("leader")) {
return replica1;
}
}
}
return null;
}
private List<String> getElectionNodes(String collection, String shard, SolrZkClient client) throws KeeperException, InterruptedException {
return client.getChildren("/collections/"+collection+"/leader_elect/"+shard+LeaderElector.ELECTION_NODE, null, true);
}