@Override public void handleRequest( final RestRequest request, final RestChannel channel, final NodeClient client) throws Exception { String[] indices = Strings.splitStringByCommaToArray(request.param("index")); String alias = request.param("name"); Map<String, Object> filter = null; String routing = null; String indexRouting = null; String searchRouting = null; if (request.hasContent()) { try (XContentParser parser = XContentFactory.xContent(request.content()).createParser(request.content())) { XContentParser.Token token = parser.nextToken(); if (token == null) { throw new IllegalArgumentException("No index alias is specified"); } String currentFieldName = null; while ((token = parser.nextToken()) != null) { if (token == XContentParser.Token.FIELD_NAME) { currentFieldName = parser.currentName(); } else if (token.isValue()) { if ("index".equals(currentFieldName)) { indices = Strings.splitStringByCommaToArray(parser.text()); } else if ("alias".equals(currentFieldName)) { alias = parser.text(); } else if ("routing".equals(currentFieldName)) { routing = parser.textOrNull(); } else if ("indexRouting".equals(currentFieldName) || "index-routing".equals(currentFieldName) || "index_routing".equals(currentFieldName)) { indexRouting = parser.textOrNull(); } else if ("searchRouting".equals(currentFieldName) || "search-routing".equals(currentFieldName) || "search_routing".equals(currentFieldName)) { searchRouting = parser.textOrNull(); } } else if (token == XContentParser.Token.START_OBJECT) { if ("filter".equals(currentFieldName)) { filter = parser.mapOrdered(); } } } } } IndicesAliasesRequest indicesAliasesRequest = new IndicesAliasesRequest(); indicesAliasesRequest.timeout(request.paramAsTime("timeout", indicesAliasesRequest.timeout())); indicesAliasesRequest.masterNodeTimeout( request.paramAsTime("master_timeout", indicesAliasesRequest.masterNodeTimeout())); IndicesAliasesRequest.AliasActions aliasAction = AliasActions.add().indices(indices).alias(alias); if (routing != null) { aliasAction.routing(routing); } if (searchRouting != null) { aliasAction.searchRouting(searchRouting); } if (indexRouting != null) { aliasAction.indexRouting(indexRouting); } if (filter != null) { aliasAction.filter(filter); } indicesAliasesRequest.addAliasAction(aliasAction); client .admin() .indices() .aliases(indicesAliasesRequest, new AcknowledgedRestListener<>(channel)); }
@Override public void handleRequest(final RestRequest request, final RestChannel channel) { IndicesAliasesRequest indicesAliasesRequest = new IndicesAliasesRequest(); indicesAliasesRequest.listenerThreaded(false); indicesAliasesRequest.masterNodeTimeout( request.paramAsTime("master_timeout", indicesAliasesRequest.masterNodeTimeout())); XContentParser parser = null; try { // { // actions : [ // { add : { index : "test1", alias : "alias1", filter : {"user" : "kimchy"} } } // { remove : { index : "test1", alias : "alias1" } } // ] // } indicesAliasesRequest.timeout( request.paramAsTime("timeout", indicesAliasesRequest.timeout())); parser = XContentFactory.xContent(request.content()).createParser(request.content()); XContentParser.Token token = parser.nextToken(); if (token == null) { throw new ElasticsearchIllegalArgumentException("No action is specified"); } while ((token = parser.nextToken()) != XContentParser.Token.END_OBJECT) { if (token == XContentParser.Token.START_ARRAY) { while ((token = parser.nextToken()) != XContentParser.Token.END_ARRAY) { if (token == XContentParser.Token.FIELD_NAME) { String action = parser.currentName(); AliasAction.Type type; if ("add".equals(action)) { type = AliasAction.Type.ADD; } else if ("remove".equals(action)) { type = AliasAction.Type.REMOVE; } else { throw new ElasticsearchIllegalArgumentException( "Alias action [" + action + "] not supported"); } String index = null; String alias = null; Map<String, Object> filter = null; String routing = null; boolean routingSet = false; String indexRouting = null; boolean indexRoutingSet = false; String searchRouting = null; boolean searchRoutingSet = false; String currentFieldName = null; while ((token = parser.nextToken()) != XContentParser.Token.END_OBJECT) { if (token == XContentParser.Token.FIELD_NAME) { currentFieldName = parser.currentName(); } else if (token == XContentParser.Token.VALUE_STRING) { if ("index".equals(currentFieldName)) { index = parser.text(); } else if ("alias".equals(currentFieldName)) { alias = parser.text(); } else if ("routing".equals(currentFieldName)) { routing = parser.textOrNull(); routingSet = true; } else if ("indexRouting".equals(currentFieldName) || "index-routing".equals(currentFieldName) || "index_routing".equals(currentFieldName)) { indexRouting = parser.textOrNull(); indexRoutingSet = true; } else if ("searchRouting".equals(currentFieldName) || "search-routing".equals(currentFieldName) || "search_routing".equals(currentFieldName)) { searchRouting = parser.textOrNull(); searchRoutingSet = true; } } else if (token == XContentParser.Token.START_OBJECT) { if ("filter".equals(currentFieldName)) { filter = parser.mapOrdered(); } } } if (type == AliasAction.Type.ADD) { AliasAction aliasAction = newAddAliasAction(index, alias).filter(filter); if (routingSet) { aliasAction.routing(routing); } if (indexRoutingSet) { aliasAction.indexRouting(indexRouting); } if (searchRoutingSet) { aliasAction.searchRouting(searchRouting); } indicesAliasesRequest.addAliasAction(aliasAction); } else if (type == AliasAction.Type.REMOVE) { indicesAliasesRequest.removeAlias(index, alias); } } } } } } catch (Exception e) { try { channel.sendResponse(new XContentThrowableRestResponse(request, e)); } catch (IOException e1) { logger.warn("Failed to send response", e1); } return; } finally { parser.close(); } client .admin() .indices() .aliases( indicesAliasesRequest, new AcknowledgedRestResponseActionListener<IndicesAliasesResponse>( request, channel, logger)); }