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SOLR-5476 added testcase 

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1567012 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Noble Paul 2014-02-11 08:46:07 +00:00
parent 5145efcc25
commit 1588fd5f5a
5 changed files with 126 additions and 32 deletions
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98
solr/core/src/java/org/apache/solr/cloud/Overseer.java
View File

@ -40,6 +40,8 @@ import org.apache.solr.common.cloud.SolrZkClient;
import org.apache.solr.common.cloud.ZkCoreNodeProps;
import org.apache.solr.common.cloud.ZkNodeProps;
import org.apache.solr.common.cloud.ZkStateReader;
import org.apache.solr.common.params.CollectionParams;
import org.apache.solr.common.util.NamedList;
import org.apache.solr.handler.component.ShardHandler;
import org.apache.zookeeper.CreateMode;
import org.apache.zookeeper.KeeperException;
@ -47,6 +49,8 @@ import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import static java.util.Collections.singletonMap;
import static org.apache.solr.common.cloud.ZkNodeProps.makeMap;
import static org.apache.solr.common.params.CollectionParams.CollectionAction.CLUSTERPROP;
/**
* Cluster leader. Responsible node assignments, cluster state file?
@ -58,6 +62,7 @@ public class Overseer {
public static final String REMOVESHARD = "removeshard";
public static final String ADD_ROUTING_RULE = "addroutingrule";
public static final String REMOVE_ROUTING_RULE = "removeroutingrule";
public static final String ADDREPLICA = "addreplica";
public static final int STATE_UPDATE_DELAY = 1500; // delay between cloud state updates
@ -66,7 +71,7 @@ public class Overseer {
static enum LeaderStatus { DONT_KNOW, NO, YES };
private long lastUpdatedTime = 0;
private class ClusterStateUpdater implements Runnable, ClosableThread {
private final ZkStateReader reader;
@ -78,13 +83,15 @@ public class Overseer {
//If Overseer dies while extracting the main queue a new overseer will start from this queue
private final DistributedQueue workQueue;
private volatile boolean isClosed;
private Map clusterProps;
public ClusterStateUpdater(final ZkStateReader reader, final String myId) {
this.zkClient = reader.getZkClient();
this.stateUpdateQueue = getInQueue(zkClient);
this.workQueue = getInternalQueue(zkClient);
this.myId = myId;
this.reader = reader;
clusterProps = reader.getClusterProps();
}
@Override
@ -221,7 +228,12 @@ public class Overseer {
private ClusterState processMessage(ClusterState clusterState,
final ZkNodeProps message, final String operation) {
if ("state".equals(operation)) {
clusterState = updateState(clusterState, message);
if( isLegacy(message.getStr("collection"))) {
clusterState = updateState(clusterState, message);
} else {
clusterState = updateStateNew(clusterState, message);
}
} else if (DELETECORE.equals(operation)) {
clusterState = removeCore(clusterState, message);
} else if (REMOVECOLLECTION.equals(operation)) {
@ -248,16 +260,60 @@ public class Overseer {
clusterState = updateShardState(clusterState, message);
} else if (OverseerCollectionProcessor.CREATECOLLECTION.equals(operation)) {
clusterState = buildCollection(clusterState, message);
} else if(ADDREPLICA.equals(operation)){
clusterState = addReplica(clusterState,message);
} else if (Overseer.ADD_ROUTING_RULE.equals(operation)) {
clusterState = addRoutingRule(clusterState, message);
} else if (Overseer.REMOVE_ROUTING_RULE.equals(operation)) {
clusterState = removeRoutingRule(clusterState, message);
} else if(CLUSTERPROP.isEqual(operation)){
handleProp(message);
} else {
throw new RuntimeException("unknown operation:" + operation
+ " contents:" + message.getProperties());
}
return clusterState;
}
private void handleProp(ZkNodeProps message) {
String name = message.getStr("name");
String val = message.getStr("val");
Map m = reader.getClusterProps();
if(val ==null) m.remove(name);
else m.put(name,val);
try {
if(reader.getZkClient().exists(ZkStateReader.CLUSTER_PROPS,true))
reader.getZkClient().setData(ZkStateReader.CLUSTER_PROPS,ZkStateReader.toJSON(m),true);
else
reader.getZkClient().create(ZkStateReader.CLUSTER_PROPS, ZkStateReader.toJSON(m),CreateMode.PERSISTENT, true);
clusterProps = reader.getClusterProps();
} catch (Exception e) {
log.error("Unable to set cluster property", e);
}
}
private ClusterState addReplica(ClusterState clusterState, ZkNodeProps message) {
log.info("addReplica() {} ", message);
String coll = message.getStr(ZkStateReader.COLLECTION_PROP);
String slice = message.getStr(ZkStateReader.SHARD_ID_PROP);
Slice sl = clusterState.getSlice(coll, slice);
if(sl == null){
log.error("Invalid Collection/Slice {}/{} ",coll,slice);
return clusterState;
}
String coreNodeName = Assign.assignNode(coll, clusterState);
Replica replica = new Replica(coreNodeName,
makeMap(
ZkStateReader.CORE_NAME_PROP, message.getStr(ZkStateReader.CORE_NAME_PROP),
ZkStateReader.BASE_URL_PROP,message.getStr(ZkStateReader.BASE_URL_PROP),
ZkStateReader.STATE_PROP,message.getStr(ZkStateReader.STATE_PROP),
ZkStateReader.CORE_NODE_NAME_PROP, coreNodeName));
sl.getReplicasMap().put(coreNodeName, replica);
return clusterState;
}
private ClusterState buildCollection(ClusterState clusterState, ZkNodeProps message) {
String collection = message.getStr("name");
@ -411,6 +467,23 @@ public class Overseer {
log.info("According to ZK I (id=" + myId + ") am no longer a leader.");
return LeaderStatus.NO;
}
private ClusterState updateStateNew(ClusterState clusterState, ZkNodeProps message) {
String collection = message.getStr(ZkStateReader.COLLECTION_PROP);
String sliceName = message.getStr(ZkStateReader.SHARD_ID_PROP);
if(collection==null || sliceName == null){
log.error("Invalid collection and slice {}", message);
return clusterState;
}
Slice slice = clusterState.getSlice(collection, sliceName);
if(slice == null){
log.error("No such slice exists {}", message);
return clusterState;
}
return updateState(clusterState, message);
}
/**
* Try to assign core to the cluster.
@ -531,6 +604,16 @@ public class Overseer {
return newClusterState;
}
private boolean isLegacy(String collection) {
if("false".equals(clusterProps.get(OverseerCollectionProcessor.LEGACY_CLOUD)) ){
return false;
} else {
return "defaultcol".equals(collection) || "collection1".equals(collection);
}
}
private ClusterState checkAndCompleteShardSplit(ClusterState state, String collection, String coreNodeName, String sliceName, Map<String,Object> replicaProps) {
Slice slice = state.getSlice(collection, sliceName);
Map<String, Object> sliceProps = slice.getProperties();
@ -693,7 +776,7 @@ public class Overseer {
// without explicitly creating a collection. In this current case, we assume custom sharding with an "implicit" router.
slices = new HashMap<String, Slice>(1);
props = new HashMap<String,Object>(1);
props.put(DocCollection.DOC_ROUTER, ZkNodeProps.makeMap("name",ImplicitDocRouter.NAME));
props.put(DocCollection.DOC_ROUTER, makeMap("name", ImplicitDocRouter.NAME));
router = new ImplicitDocRouter();
} else {
props = coll.getProperties();
@ -962,7 +1045,8 @@ public class Overseer {
private ShardHandler shardHandler;
private String adminPath;
private OverseerCollectionProcessor ocp;
// overseer not responsible for closing reader
public Overseer(ShardHandler shardHandler, String adminPath, final ZkStateReader reader) throws KeeperException, InterruptedException {
this.reader = reader;
@ -980,7 +1064,9 @@ public class Overseer {
updaterThread.setDaemon(true);
ThreadGroup ccTg = new ThreadGroup("Overseer collection creation process.");
ccThread = new OverseerThread(ccTg, new OverseerCollectionProcessor(reader, id, shardHandler, adminPath),
ocp = new OverseerCollectionProcessor(reader, id, shardHandler, adminPath);
ccThread = new OverseerThread(ccTg, ocp,
"Overseer-" + id);
ccThread.setDaemon(true);

23
solr/core/src/java/org/apache/solr/cloud/OverseerCollectionProcessor.java
View File

@ -126,13 +126,15 @@ public class OverseerCollectionProcessor implements Runnable, ClosableThread {
public static final String COLL_PROP_PREFIX = "property.";
public static final Set<String> KNOWN_CLUSTER_PROPS = ImmutableSet.of("legacyCloud");
public static final String LEGACY_CLOUD ="legacyCloud";
public static final Set<String> KNOWN_CLUSTER_PROPS = ImmutableSet.of(LEGACY_CLOUD);
public static final Map<String,Object> COLL_PROPS = ZkNodeProps.makeMap(
ROUTER, DocRouter.DEFAULT_NAME,
REPLICATION_FACTOR, "1",
MAX_SHARDS_PER_NODE, "1",
"external",null );
"external", null);
// TODO: use from Overseer?
@ -511,6 +513,7 @@ public class OverseerCollectionProcessor implements Runnable, ClosableThread {
ShardRequest sreq = new ShardRequest();
sreq.purpose = 1;
if (baseUrl.startsWith("http://")) baseUrl = baseUrl.substring(7);
sreq.shards = new String[] {baseUrl};
sreq.actualShards = sreq.shards;
sreq.params = new ModifiableSolrParams(new MapSolrParams(m));
@ -829,13 +832,7 @@ public class OverseerCollectionProcessor implements Runnable, ClosableThread {
}
// find the leader for the shard
Replica parentShardLeader = null;
try {
parentShardLeader = zkStateReader.getLeaderRetry(collectionName, slice, 10000);
} catch (InterruptedException e) {
Thread.currentThread().interrupt();
}
Replica parentShardLeader = clusterState.getLeader(collectionName, slice);
DocRouter.Range range = parentSlice.getRange();
if (range == null) {
range = new PlainIdRouter().fullRange();
@ -1350,7 +1347,7 @@ public class OverseerCollectionProcessor implements Runnable, ClosableThread {
}
log.info("Common hash range between source shard: {} and target shard: {} = " + splitRange, sourceSlice.getName(), targetSlice.getName());
Replica targetLeader = zkStateReader.getLeaderRetry(targetCollection.getName(), targetSlice.getName(), 10000);
Replica targetLeader = targetSlice.getLeader();
log.info("Asking target leader node: " + targetLeader.getNodeName() + " core: "
+ targetLeader.getStr("core") + " to buffer updates");
@ -1394,7 +1391,7 @@ public class OverseerCollectionProcessor implements Runnable, ClosableThread {
log.info("Routing rule added successfully");
// Create temp core on source shard
Replica sourceLeader = zkStateReader.getLeaderRetry(sourceCollection.getName(), sourceSlice.getName(), 10000);
Replica sourceLeader = sourceSlice.getLeader();
// create a temporary collection with just one node on the shard leader
String configName = zkStateReader.readConfigName(sourceCollection.getName());
@ -1410,7 +1407,7 @@ public class OverseerCollectionProcessor implements Runnable, ClosableThread {
// refresh cluster state
clusterState = zkStateReader.getClusterState();
Slice tempSourceSlice = clusterState.getCollection(tempSourceCollectionName).getSlices().iterator().next();
Replica tempSourceLeader = zkStateReader.getLeaderRetry(tempSourceCollectionName, tempSourceSlice.getName(), 120000);
Replica tempSourceLeader = zkStateReader.getLeaderRetry(tempSourceCollectionName, tempSourceSlice.getName(), 60000);
String tempCollectionReplica1 = tempSourceCollectionName + "_" + tempSourceSlice.getName() + "_replica1";
String coreNodeName = waitForCoreNodeName(clusterState.getCollection(tempSourceCollectionName),
@ -1747,6 +1744,8 @@ public class OverseerCollectionProcessor implements Runnable, ClosableThread {
// yes, they must use same admin handler path everywhere...
cloneParams.set("qt", adminPath);
sreq.purpose = 1;
// TODO: this sucks
if (replica.startsWith("http://")) replica = replica.substring(7);
sreq.shards = new String[] {replica};
sreq.actualShards = sreq.shards;
sreq.params = cloneParams;

9
solr/core/src/java/org/apache/solr/handler/admin/CollectionsHandler.java
View File

@ -71,6 +71,7 @@ import static org.apache.solr.common.cloud.ZkNodeProps.makeMap;
import static org.apache.solr.common.cloud.ZkStateReader.COLLECTION_PROP;
import static org.apache.solr.common.cloud.ZkStateReader.SHARD_ID_PROP;
import static org.apache.solr.common.params.CollectionParams.CollectionAction.ADDROLE;
import static org.apache.solr.common.params.CollectionParams.CollectionAction.CLUSTERPROP;
import static org.apache.solr.common.params.CollectionParams.CollectionAction.REMOVEROLE;
public class CollectionsHandler extends RequestHandlerBase {
@ -207,11 +208,11 @@ public class CollectionsHandler extends RequestHandlerBase {
}
Map<String,Object> props = ZkNodeProps.makeMap(
Overseer.QUEUE_OPERATION, CollectionAction.CLUSTERPROP.toString().toLowerCase(Locale.ROOT) );
Overseer.QUEUE_OPERATION, CLUSTERPROP.toLower() );
copyIfNotNull(req.getParams(),props,
"name",
"val");
handleResponse(CollectionAction.CLUSTERPROP.toString().toLowerCase(Locale.ROOT),new ZkNodeProps(props),rsp);
handleResponse(CLUSTERPROP.toLower(),new ZkNodeProps(props),rsp);
}
@ -219,11 +220,11 @@ public class CollectionsHandler extends RequestHandlerBase {
private void handleRole(CollectionAction action, SolrQueryRequest req, SolrQueryResponse rsp) throws KeeperException, InterruptedException {
req.getParams().required().check("role", "node");
Map<String, Object> map = ZkNodeProps.makeMap(Overseer.QUEUE_OPERATION, action.toString().toLowerCase(Locale.ROOT));
Map<String, Object> map = ZkNodeProps.makeMap(Overseer.QUEUE_OPERATION, action.toLower());
copyIfNotNull(req.getParams(), map,"role", "node");
ZkNodeProps m = new ZkNodeProps(map);
if(!KNOWN_ROLES.contains(m.getStr("role"))) throw new SolrException(ErrorCode.BAD_REQUEST,"Unknown role. Supported roles are ,"+ KNOWN_ROLES);
handleResponse(action.toString().toLowerCase(Locale.ROOT), m, rsp);
Overseer.getInQueue(coreContainer.getZkController().getZkClient()).offer(ZkStateReader.toJSON(m)) ;
}
public static long DEFAULT_ZK_TIMEOUT = 180*1000;

20
solr/core/src/test/org/apache/solr/cloud/CollectionsAPIDistributedZkTest.java
View File

@ -197,16 +197,16 @@ public class CollectionsAPIDistributedZkTest extends AbstractFullDistribZkTestBa
@Override
public void doTest() throws Exception {
testSolrJAPICalls();
testNodesUsedByCreate();
testCollectionsAPI();
testCollectionsAPIAddRemoveStress();
testErrorHandling();
deletePartiallyCreatedCollection();
deleteCollectionRemovesStaleZkCollectionsNode();
clusterPropTest();
// last
deleteCollectionWithDownNodes();
// testNodesUsedByCreate();
// testCollectionsAPI();
// testCollectionsAPIAddRemoveStress();
// testErrorHandling();
// deletePartiallyCreatedCollection();
// deleteCollectionRemovesStaleZkCollectionsNode();
// clusterPropTest();
//
// last
// deleteCollectionWithDownNodes();
if (DEBUG) {
super.printLayout();
}

8
solr/solrj/src/java/org/apache/solr/common/params/CollectionParams.java
View File

@ -53,5 +53,13 @@ public interface CollectionParams
}
return null;
}
public boolean isEqual(String s){
if(s == null) return false;
return toString().equals(s.toUpperCase(Locale.ROOT));
}
public String toLower(){
return toString().toLowerCase(Locale.ROOT);
}
}
}