Examples with AliasOrIndex org.elasticsearch.cluster.metadata.AliasOrIndex used on opensource projects

Example 1 with AliasOrIndex

use of org.elasticsearch.cluster.metadata.AliasOrIndex in project elasticsearch by elastic.

the class TransportRolloverAction method masterOperation.

@Override
protected void masterOperation(final RolloverRequest rolloverRequest, final ClusterState state, final ActionListener<RolloverResponse> listener) {
    final MetaData metaData = state.metaData();
    validate(metaData, rolloverRequest);
    final AliasOrIndex aliasOrIndex = metaData.getAliasAndIndexLookup().get(rolloverRequest.getAlias());
    final IndexMetaData indexMetaData = aliasOrIndex.getIndices().get(0);
    final String sourceProvidedName = indexMetaData.getSettings().get(IndexMetaData.SETTING_INDEX_PROVIDED_NAME, indexMetaData.getIndex().getName());
    final String sourceIndexName = indexMetaData.getIndex().getName();
    final String unresolvedName = (rolloverRequest.getNewIndexName() != null) ? rolloverRequest.getNewIndexName() : generateRolloverIndexName(sourceProvidedName, indexNameExpressionResolver);
    final String rolloverIndexName = indexNameExpressionResolver.resolveDateMathExpression(unresolvedName);
    // will fail if the index already exists
    MetaDataCreateIndexService.validateIndexName(rolloverIndexName, state);
    client.admin().indices().prepareStats(sourceIndexName).clear().setDocs(true).execute(new ActionListener<IndicesStatsResponse>() {

        @Override
        public void onResponse(IndicesStatsResponse statsResponse) {
            final Set<Condition.Result> conditionResults = evaluateConditions(rolloverRequest.getConditions(), statsResponse.getTotal().getDocs(), metaData.index(sourceIndexName));
            if (rolloverRequest.isDryRun()) {
                listener.onResponse(new RolloverResponse(sourceIndexName, rolloverIndexName, conditionResults, true, false, false, false));
                return;
            }
            if (conditionResults.size() == 0 || conditionResults.stream().anyMatch(result -> result.matched)) {
                CreateIndexClusterStateUpdateRequest updateRequest = prepareCreateIndexRequest(unresolvedName, rolloverIndexName, rolloverRequest);
                createIndexService.createIndex(updateRequest, ActionListener.wrap(createIndexClusterStateUpdateResponse -> {
                    indexAliasesService.indicesAliases(prepareRolloverAliasesUpdateRequest(sourceIndexName, rolloverIndexName, rolloverRequest), ActionListener.wrap(aliasClusterStateUpdateResponse -> {
                        if (aliasClusterStateUpdateResponse.isAcknowledged()) {
                            activeShardsObserver.waitForActiveShards(rolloverIndexName, rolloverRequest.getCreateIndexRequest().waitForActiveShards(), rolloverRequest.masterNodeTimeout(), isShardsAcked -> listener.onResponse(new RolloverResponse(sourceIndexName, rolloverIndexName, conditionResults, false, true, true, isShardsAcked)), listener::onFailure);
                        } else {
                            listener.onResponse(new RolloverResponse(sourceIndexName, rolloverIndexName, conditionResults, false, true, false, false));
                        }
                    }, listener::onFailure));
                }, listener::onFailure));
            } else {
                // conditions not met
                listener.onResponse(new RolloverResponse(sourceIndexName, rolloverIndexName, conditionResults, false, false, false, false));
            }
        }

        @Override
        public void onFailure(Exception e) {
            listener.onFailure(e);
        }
    });
}