final IndexEventListener listener; synchronized (this) { if (hasIndex(index) == false) { return;
if (hasIndex(index)) { throw new ResourceAlreadyExistsException(index);
/** * Deletes the index store trying to acquire all shards locks for this index. * This method will delete the metadata for the index even if the actual shards can't be locked. * * Package private for testing */ void deleteIndexStore(String reason, IndexMetaData metaData, ClusterState clusterState) throws IOException { if (nodeEnv.hasNodeFile()) { synchronized (this) { Index index = metaData.getIndex(); if (hasIndex(index)) { String localUUid = indexService(index).indexUUID(); throw new IllegalStateException("Can't delete index store for [" + index.getName() + "] - it's still part of the indices service [" + localUUid + "] [" + metaData.getIndexUUID() + "]"); } if (clusterState.metaData().hasIndex(index.getName()) && (clusterState.nodes().getLocalNode().isMasterNode() == true)) { // we do not delete the store if it is a master eligible node and the index is still in the cluster state // because we want to keep the meta data for indices around even if no shards are left here final IndexMetaData idxMeta = clusterState.metaData().index(index.getName()); throw new IllegalStateException("Can't delete index store for [" + index.getName() + "] - it's still part of the " + "cluster state [" + idxMeta.getIndexUUID() + "] [" + metaData.getIndexUUID() + "], " + "we are master eligible, so will keep the index metadata even if no shards are left."); } } final IndexSettings indexSettings = buildIndexSettings(metaData); deleteIndexStore(reason, indexSettings.getIndex(), indexSettings); } }
final IndexEventListener listener; synchronized (this) { if (hasIndex(index) == false) { return;
final IndexEventListener listener; synchronized (this) { if (hasIndex(index) == false) { return;
if (hasIndex(index)) { throw new ResourceAlreadyExistsException(index);
if (hasIndex(index)) { throw new ResourceAlreadyExistsException(index);
private void applyMappings(ClusterChangedEvent event) { if (!indicesService.hasIndex(indexMetaData.getIndex())) {
private void applySettings(ClusterChangedEvent event) { if (!event.metaDataChanged()) { return; } for (IndexMetaData indexMetaData : event.state().metaData()) { if (!indicesService.hasIndex(indexMetaData.getIndex())) { // we only create / update here continue; } // if the index meta data didn't change, no need check for refreshed settings if (!event.indexMetaDataChanged(indexMetaData)) { continue; } String index = indexMetaData.getIndex(); IndexService indexService = indicesService.indexService(index); if (indexService == null) { // already deleted on us, ignore it continue; } IndexSettingsService indexSettingsService = indexService.injector().getInstance(IndexSettingsService.class); indexSettingsService.refreshSettings(indexMetaData.getSettings()); } }
/** * Deletes the index store trying to acquire all shards locks for this index. * This method will delete the metadata for the index even if the actual shards can't be locked. * * Package private for testing */ void deleteIndexStore(String reason, IndexMetaData metaData, ClusterState clusterState) throws IOException { if (nodeEnv.hasNodeFile()) { synchronized (this) { Index index = metaData.getIndex(); if (hasIndex(index)) { String localUUid = indexService(index).indexUUID(); throw new IllegalStateException("Can't delete index store for [" + index.getName() + "] - it's still part of the indices service [" + localUUid + "] [" + metaData.getIndexUUID() + "]"); } if (clusterState.metaData().hasIndex(index.getName()) && (clusterState.nodes().getLocalNode().isMasterNode() == true)) { // we do not delete the store if it is a master eligible node and the index is still in the cluster state // because we want to keep the meta data for indices around even if no shards are left here final IndexMetaData idxMeta = clusterState.metaData().index(index.getName()); throw new IllegalStateException("Can't delete index store for [" + index.getName() + "] - it's still part of the " + "cluster state [" + idxMeta.getIndexUUID() + "] [" + metaData.getIndexUUID() + "], " + "we are master eligible, so will keep the index metadata even if no shards are left."); } } final IndexSettings indexSettings = buildIndexSettings(metaData); deleteIndexStore(reason, indexSettings.getIndex(), indexSettings); } }
/** * Deletes the index store trying to acquire all shards locks for this index. * This method will delete the metadata for the index even if the actual shards can't be locked. * * Package private for testing */ void deleteIndexStore(String reason, IndexMetaData metaData, ClusterState clusterState) throws IOException { if (nodeEnv.hasNodeFile()) { synchronized (this) { Index index = metaData.getIndex(); if (hasIndex(index)) { String localUUid = indexService(index).indexUUID(); throw new IllegalStateException("Can't delete index store for [" + index.getName() + "] - it's still part of the indices service [" + localUUid + "] [" + metaData.getIndexUUID() + "]"); } if (clusterState.metaData().hasIndex(index.getName()) && (clusterState.nodes().getLocalNode().isMasterNode() == true)) { // we do not delete the store if it is a master eligible node and the index is still in the cluster state // because we want to keep the meta data for indices around even if no shards are left here final IndexMetaData idxMeta = clusterState.metaData().index(index.getName()); throw new IllegalStateException("Can't delete index store for [" + index.getName() + "] - it's still part of the " + "cluster state [" + idxMeta.getIndexUUID() + "] [" + metaData.getIndexUUID() + "], " + "we are master eligible, so will keep the index metadata even if no shards are left."); } } final IndexSettings indexSettings = buildIndexSettings(metaData); deleteIndexStore(reason, indexSettings.getIndex(), indexSettings); } }
if (indexMetaData != null && indicesService.hasIndex(index) == false) {
private void applyNewIndices(final ClusterChangedEvent event) { // we only create indices for shards that are allocated RoutingNodes.RoutingNodeIterator routingNode = event.state().getRoutingNodes().routingNodeIter(event.state().nodes().localNodeId()); if (routingNode == null) { return; } for (ShardRouting shard : routingNode) { if (!indicesService.hasIndex(shard.index())) { final IndexMetaData indexMetaData = event.state().metaData().index(shard.index()); if (logger.isDebugEnabled()) { logger.debug("[{}] creating index", indexMetaData.getIndex()); } try { indicesService.createIndex(indexMetaData.getIndex(), indexMetaData.getSettings(), event.state().nodes().localNode().id()); } catch (Throwable e) { sendFailShard(shard, indexMetaData.getIndexUUID(), "failed to create index", e); } } } }