private Directory getStoreDirectory(String index, int shardId) {
Set<String> nodes = cluster().nodesInclude("test");
assertThat(nodes.isEmpty(), equalTo(false));
IndicesService indicesService =
cluster().getInstance(IndicesService.class, nodes.iterator().next());
InternalIndexShard indexShard =
(InternalIndexShard) (indicesService.indexService(index).shard(shardId));
return indexShard.store().directory();
}
@Override
protected ShardTermlistResponse shardOperation(ShardTermlistRequest request)
throws ElasticSearchException {
synchronized (termlistMutex) {
InternalIndexShard indexShard =
(InternalIndexShard)
indicesService.indexServiceSafe(request.index()).shardSafe(request.shardId());
indexShard.store().directory();
Engine.Searcher searcher = indexShard.searcher();
try {
Set<String> set = new CompactHashSet();
Fields fields = MultiFields.getFields(searcher.reader());
if (fields != null) {
for (Iterator<String> it = fields.iterator(); it.hasNext(); ) {
String field = it.next();
if (field.charAt(0) == '_') {
continue;
}
if (request.getField() == null || field.equals(request.getField())) {
Terms terms = fields.terms(field);
if (terms != null) {
TermsEnum termsEnum = terms.iterator(null);
BytesRef text;
while ((text = termsEnum.next()) != null) {
set.add(text.utf8ToString());
System.out.println("field=" + field + "; text=" + text.utf8ToString());
}
}
}
}
}
return new ShardTermlistResponse(request.index(), request.shardId(), set);
} catch (IOException ex) {
throw new ElasticSearchException(ex.getMessage(), ex);
}
}
}
@Override
protected ShardStatus shardOperation(IndexShardStatusRequest request)
throws ElasticSearchException {
InternalIndexService indexService =
(InternalIndexService) indicesService.indexServiceSafe(request.index());
InternalIndexShard indexShard = (InternalIndexShard) indexService.shardSafe(request.shardId());
ShardStatus shardStatus = new ShardStatus(indexShard.routingEntry());
shardStatus.state = indexShard.state();
try {
shardStatus.storeSize = indexShard.store().estimateSize();
} catch (IOException e) {
// failure to get the store size...
}
if (indexShard.state() == IndexShardState.STARTED) {
// shardStatus.estimatedFlushableMemorySize =
// indexShard.estimateFlushableMemorySize();
shardStatus.translogId = indexShard.translog().currentId();
shardStatus.translogOperations = indexShard.translog().estimatedNumberOfOperations();
Engine.Searcher searcher = indexShard.searcher();
try {
shardStatus.docs = new DocsStatus();
shardStatus.docs.numDocs = searcher.reader().numDocs();
shardStatus.docs.maxDoc = searcher.reader().maxDoc();
shardStatus.docs.deletedDocs = searcher.reader().numDeletedDocs();
} finally {
searcher.release();
}
shardStatus.mergeStats = indexShard.mergeScheduler().stats();
shardStatus.refreshStats = indexShard.refreshStats();
shardStatus.flushStats = indexShard.flushStats();
}
if (request.recovery) {
// check on going recovery (from peer or gateway)
RecoveryStatus peerRecoveryStatus = indexShard.peerRecoveryStatus();
if (peerRecoveryStatus == null) {
peerRecoveryStatus = peerRecoveryTarget.peerRecoveryStatus(indexShard.shardId());
}
if (peerRecoveryStatus != null) {
PeerRecoveryStatus.Stage stage;
switch (peerRecoveryStatus.stage()) {
case INIT:
stage = PeerRecoveryStatus.Stage.INIT;
break;
case INDEX:
stage = PeerRecoveryStatus.Stage.INDEX;
break;
case TRANSLOG:
stage = PeerRecoveryStatus.Stage.TRANSLOG;
break;
case FINALIZE:
stage = PeerRecoveryStatus.Stage.FINALIZE;
break;
case DONE:
stage = PeerRecoveryStatus.Stage.DONE;
break;
default:
stage = PeerRecoveryStatus.Stage.INIT;
}
shardStatus.peerRecoveryStatus =
new PeerRecoveryStatus(
stage,
peerRecoveryStatus.startTime(),
peerRecoveryStatus.time(),
peerRecoveryStatus.phase1TotalSize(),
peerRecoveryStatus.phase1ExistingTotalSize(),
peerRecoveryStatus.currentFilesSize(),
peerRecoveryStatus.currentTranslogOperations());
}
IndexShardGatewayService gatewayService =
indexService.shardInjector(request.shardId()).getInstance(IndexShardGatewayService.class);
org.elasticsearch.index.gateway.RecoveryStatus gatewayRecoveryStatus =
gatewayService.recoveryStatus();
if (gatewayRecoveryStatus != null) {
GatewayRecoveryStatus.Stage stage;
switch (gatewayRecoveryStatus.stage()) {
case INIT:
stage = GatewayRecoveryStatus.Stage.INIT;
break;
case INDEX:
stage = GatewayRecoveryStatus.Stage.INDEX;
break;
case TRANSLOG:
stage = GatewayRecoveryStatus.Stage.TRANSLOG;
break;
case DONE:
stage = GatewayRecoveryStatus.Stage.DONE;
break;
default:
stage = GatewayRecoveryStatus.Stage.INIT;
}
shardStatus.gatewayRecoveryStatus =
new GatewayRecoveryStatus(
stage,
gatewayRecoveryStatus.startTime(),
gatewayRecoveryStatus.time(),
gatewayRecoveryStatus.index().totalSize(),
gatewayRecoveryStatus.index().reusedTotalSize(),
gatewayRecoveryStatus.index().currentFilesSize(),
gatewayRecoveryStatus.translog().currentTranslogOperations());
}
}
if (request.snapshot) {
IndexShardGatewayService gatewayService =
indexService.shardInjector(request.shardId()).getInstance(IndexShardGatewayService.class);
SnapshotStatus snapshotStatus = gatewayService.snapshotStatus();
if (snapshotStatus != null) {
GatewaySnapshotStatus.Stage stage;
switch (snapshotStatus.stage()) {
case DONE:
stage = GatewaySnapshotStatus.Stage.DONE;
break;
case FAILURE:
stage = GatewaySnapshotStatus.Stage.FAILURE;
break;
case TRANSLOG:
stage = GatewaySnapshotStatus.Stage.TRANSLOG;
break;
case FINALIZE:
stage = GatewaySnapshotStatus.Stage.FINALIZE;
break;
case INDEX:
stage = GatewaySnapshotStatus.Stage.INDEX;
break;
default:
stage = GatewaySnapshotStatus.Stage.NONE;
break;
}
shardStatus.gatewaySnapshotStatus =
new GatewaySnapshotStatus(
stage,
snapshotStatus.startTime(),
snapshotStatus.time(),
snapshotStatus.index().totalSize(),
snapshotStatus.translog().expectedNumberOfOperations());
}
}
return shardStatus;
}
@Override
public void recover(RecoveryStatus recoveryStatus) throws IndexShardGatewayRecoveryException {
this.recoveryStatus = recoveryStatus;
final ImmutableMap<String, BlobMetaData> blobs;
try {
blobs = blobContainer.listBlobs();
} catch (IOException e) {
throw new IndexShardGatewayRecoveryException(shardId, "Failed to list content of gateway", e);
}
List<CommitPoint> commitPointsList = Lists.newArrayList();
boolean atLeastOneCommitPointExists = false;
for (String name : blobs.keySet()) {
if (name.startsWith("commit-")) {
atLeastOneCommitPointExists = true;
try {
commitPointsList.add(CommitPoints.fromXContent(blobContainer.readBlobFully(name)));
} catch (Exception e) {
logger.warn("failed to read commit point [{}]", e, name);
}
}
}
if (atLeastOneCommitPointExists && commitPointsList.isEmpty()) {
// no commit point managed to load, bail so we won't corrupt the index, will require manual
// intervention
throw new IndexShardGatewayRecoveryException(
shardId, "Commit points exists but none could be loaded", null);
}
CommitPoints commitPoints = new CommitPoints(commitPointsList);
if (commitPoints.commits().isEmpty()) {
// no commit points, clean the store just so we won't recover wrong files
try {
indexShard.store().deleteContent();
} catch (IOException e) {
logger.warn("failed to clean store before starting shard", e);
}
recoveryStatus.index().startTime(System.currentTimeMillis());
recoveryStatus.index().time(System.currentTimeMillis() - recoveryStatus.index().startTime());
recoveryStatus.translog().startTime(System.currentTimeMillis());
recoveryStatus
.translog()
.time(System.currentTimeMillis() - recoveryStatus.index().startTime());
return;
}
for (CommitPoint commitPoint : commitPoints) {
if (!commitPointExistsInBlobs(commitPoint, blobs)) {
logger.warn(
"listed commit_point [{}]/[{}], but not all files exists, ignoring",
commitPoint.name(),
commitPoint.version());
continue;
}
try {
recoveryStatus.index().startTime(System.currentTimeMillis());
recoveryStatus.updateStage(RecoveryStatus.Stage.INDEX);
recoverIndex(commitPoint, blobs);
recoveryStatus
.index()
.time(System.currentTimeMillis() - recoveryStatus.index().startTime());
recoveryStatus.translog().startTime(System.currentTimeMillis());
recoveryStatus.updateStage(RecoveryStatus.Stage.TRANSLOG);
recoverTranslog(commitPoint, blobs);
recoveryStatus
.translog()
.time(System.currentTimeMillis() - recoveryStatus.index().startTime());
return;
} catch (Exception e) {
throw new IndexShardGatewayRecoveryException(
shardId,
"failed to recover commit_point ["
+ commitPoint.name()
+ "]/["
+ commitPoint.version()
+ "]",
e);
}
}
throw new IndexShardGatewayRecoveryException(
shardId, "No commit point data is available in gateway", null);
}
