private void indexSearchHit(
BulkNodeClient bulkNodeClient, KnapsackPullRequest request, SearchHit hit)
throws IOException {
IndexRequest indexRequest =
new IndexRequest(
mapIndex(request, hit.getIndex()),
mapType(request, hit.getIndex(), hit.getType()),
hit.getId());
for (String f : hit.getFields().keySet()) {
switch (f) {
case "_parent":
indexRequest.parent(hit.getFields().get(f).getValue().toString());
break;
case "_routing":
indexRequest.routing(hit.getFields().get(f).getValue().toString());
break;
case "_timestamp":
indexRequest.timestamp(hit.getFields().get(f).getValue().toString());
break;
case "_version":
indexRequest
.versionType(VersionType.EXTERNAL)
.version(Long.parseLong(hit.getFields().get(f).getValue().toString()));
break;
case "_source":
indexRequest.source(hit.getSourceAsString());
break;
default:
indexRequest.source(f, hit.getFields().get(f).getValue().toString());
break;
}
}
if (!hit.getFields().keySet().contains("_source")) {
indexRequest.source(hit.getSourceAsString());
}
bulkNodeClient.bulkIndex(indexRequest);
}
/**
* Pull action thread
*
* @param request request
* @param state state
* @param transportClient bulk client for remote cluster access
* @param nodeClient bulk client for local cluster access
*/
final void performPull(
final KnapsackPullRequest request,
final KnapsackState state,
final BulkTransportClient transportClient,
final BulkNodeClient nodeClient) {
try {
logger.info("start of pull: {}", state);
long count = 0L;
Map<String, Set<String>> indices = new HashMap<>();
for (String s : Strings.commaDelimitedListToSet(request.getIndex())) {
indices.put(s, Strings.commaDelimitedListToSet(request.getType()));
}
if (request.withMetadata()) {
// renaming indices/types
if (request.getIndexTypeNames() != null) {
for (Object spec : request.getIndexTypeNames().keySet()) {
if (spec == null) {
continue;
}
String[] s = spec.toString().split("/");
String index = s[0];
String type = s.length > 1 ? s[1] : null;
if (!"_all".equals(index)) {
Set<String> types = indices.get(index);
if (types == null) {
types = new HashSet<>();
}
if (type != null) {
types.add(type);
}
indices.put(index, types);
}
}
}
// get settings for all indices
logger.info("getting settings for indices {}", indices.keySet());
Set<String> settingsIndices = new HashSet<>(indices.keySet());
settingsIndices.remove("_all");
Map<String, String> settings =
getSettings(
transportClient.client(),
settingsIndices.toArray(new String[settingsIndices.size()]));
logger.info("found indices: {}", settings.keySet());
// we resolved the specs in indices to the real indices in the settings
// get mapping and alias per index and create index if copy mode is enabled
for (String index : settings.keySet()) {
CreateIndexRequest createIndexRequest = createIndexRequest(mapIndex(request, index));
Set<String> types = indices.get(index);
createIndexRequest.settings(settings.get(index));
logger.info("getting mappings for index {} and types {}", index, types);
Map<String, String> mappings =
getMapping(
transportClient.client(), index, types != null ? new HashSet<>(types) : null);
logger.info("found mappings: {}", mappings.keySet());
for (String type : mappings.keySet()) {
logger.info("adding mapping: {}", mapType(request, index, type));
createIndexRequest.mapping(mapType(request, index, type), mappings.get(type));
}
// create index
logger.info("creating index: {}", mapIndex(request, index));
nodeClient.client().execute(CreateIndexAction.INSTANCE, createIndexRequest).actionGet();
logger.info("index created: {}", mapIndex(request, index));
logger.info("getting aliases for index {}", index);
Map<String, String> aliases = getAliases(client, index);
logger.info("found {} aliases", aliases.size());
if (!aliases.isEmpty()) {
IndicesAliasesRequestBuilder requestBuilder =
new IndicesAliasesRequestBuilder(
nodeClient.client(), IndicesAliasesAction.INSTANCE);
for (String alias : aliases.keySet()) {
if (aliases.get(alias).isEmpty()) {
requestBuilder.addAlias(index, alias);
} else {
requestBuilder.addAlias(index, alias, aliases.get(alias)); // with filter
}
}
requestBuilder.execute().actionGet();
logger.info("aliases created", aliases.size());
}
}
}
SearchRequest searchRequest = request.getSearchRequest();
if (searchRequest == null) {
searchRequest =
new SearchRequestBuilder(transportClient.client(), SearchAction.INSTANCE)
.setQuery(QueryBuilders.matchAllQuery())
.addSort(SortBuilders.fieldSort("_doc"))
.request();
}
long total = 0L;
for (String index : indices.keySet()) {
if (!"_all".equals(index)) {
searchRequest.indices(index);
}
Set<String> types = indices.get(index);
if (types != null) {
searchRequest.types(types.toArray(new String[types.size()]));
}
searchRequest.scroll(request.getTimeout());
SearchResponse searchResponse =
transportClient.client().execute(SearchAction.INSTANCE, searchRequest).actionGet();
do {
total += searchResponse.getHits().getHits().length;
logger.debug(
"total={} hits={} took={}",
total,
searchResponse.getHits().getHits().length,
searchResponse.getTookInMillis());
for (SearchHit hit : searchResponse.getHits()) {
indexSearchHit(nodeClient, request, hit);
count++;
}
searchResponse =
transportClient
.client()
.execute(
SearchScrollAction.INSTANCE,
new SearchScrollRequest(searchResponse.getScrollId())
.scroll(request.getTimeout()))
.actionGet();
} while (searchResponse.getHits().getHits().length > 0 && !Thread.interrupted());
}
nodeClient.flushIngest();
nodeClient.waitForResponses(TimeValue.timeValueSeconds(60));
for (String index : indices.keySet()) {
nodeClient.refreshIndex(index);
}
nodeClient.shutdown();
transportClient.shutdown();
logger.info("end of pull: {}, docs = {}, count = {}", state, total, count);
} catch (Throwable e) {
logger.error(e.getMessage(), e);
} finally {
try {
knapsack.removeImport(state);
} catch (IOException e) {
logger.error(e.getMessage(), e);
}
}
}