/* * Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed with * this work for additional information regarding copyright ownership. * The ASF licenses this file to You under the Apache License, Version 2.0 * (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package org.apache.zeppelin.rest; import java.io.IOException; import java.util.List; import java.util.Map; import java.util.Properties; import javax.ws.rs.DELETE; import javax.ws.rs.GET; import javax.ws.rs.POST; import javax.ws.rs.PUT; import javax.ws.rs.Path; import javax.ws.rs.PathParam; import javax.ws.rs.Produces; import javax.ws.rs.core.Response; import javax.ws.rs.core.Response.Status; import org.apache.commons.lang.exception.ExceptionUtils; import org.apache.zeppelin.interpreter.*; import org.apache.zeppelin.interpreter.Interpreter.RegisteredInterpreter; import org.apache.zeppelin.rest.message.NewInterpreterSettingRequest; import org.apache.zeppelin.rest.message.UpdateInterpreterSettingRequest; import org.apache.zeppelin.server.JsonResponse; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import com.google.gson.Gson; /** * Interpreter Rest API * */ @Path("/interpreter") @Produces("application/json") public class InterpreterRestApi { Logger logger = LoggerFactory.getLogger(InterpreterRestApi.class); private InterpreterFactory interpreterFactory; Gson gson = new Gson(); public InterpreterRestApi() { } public InterpreterRestApi(InterpreterFactory interpreterFactory) { this.interpreterFactory = interpreterFactory; } /** * List all interpreter settings * @return */ @GET @Path("setting") public Response listSettings() { List<InterpreterSetting> interpreterSettings = null; interpreterSettings = interpreterFactory.get(); return new JsonResponse(Status.OK, "", interpreterSettings).build(); } /** * Add new interpreter setting * @param message * @return * @throws IOException * @throws InterpreterException */ @POST @Path("setting") public Response newSettings(String message) throws InterpreterException, IOException { NewInterpreterSettingRequest request = gson.fromJson(message, NewInterpreterSettingRequest.class); Properties p = new Properties(); p.putAll(request.getProperties()); // Option is deprecated from API, always use remote = true InterpreterGroup interpreterGroup = interpreterFactory.add(request.getName(), request.getGroup(), new InterpreterOption(true), p); InterpreterSetting setting = interpreterFactory.get(interpreterGroup.getId()); logger.info("new setting created with " + setting.id()); return new JsonResponse(Status.CREATED, "", setting ).build(); } @PUT @Path("setting/{settingId}") public Response updateSetting(String message, @PathParam("settingId") String settingId) { logger.info("Update interpreterSetting {}", settingId); try { UpdateInterpreterSettingRequest p = gson.fromJson(message, UpdateInterpreterSettingRequest.class); // Option is deprecated from API, always use remote = true interpreterFactory.setPropertyAndRestart(settingId, new InterpreterOption(true), p.getProperties()); } catch (InterpreterException e) { return new JsonResponse( Status.NOT_FOUND, e.getMessage(), ExceptionUtils.getStackTrace(e)).build(); } catch (IOException e) { return new JsonResponse( Status.INTERNAL_SERVER_ERROR, e.getMessage(), ExceptionUtils.getStackTrace(e)).build(); } InterpreterSetting setting = interpreterFactory.get(settingId); if (setting == null) { return new JsonResponse(Status.NOT_FOUND, "", settingId).build(); } return new JsonResponse(Status.OK, "", setting).build(); } /** * Remove interpreter setting */ @DELETE @Path("setting/{settingId}") public Response removeSetting(@PathParam("settingId") String settingId) throws IOException { logger.info("Remove interpreterSetting {}", settingId); interpreterFactory.remove(settingId); return new JsonResponse(Status.OK).build(); } /** * Restart interpreter setting */ @PUT @Path("setting/restart/{settingId}") public Response restartSetting(@PathParam("settingId") String settingId) { logger.info("Restart interpreterSetting {}", settingId); try { interpreterFactory.restart(settingId); } catch (InterpreterException e) { return new JsonResponse( Status.NOT_FOUND, e.getMessage(), ExceptionUtils.getStackTrace(e)).build(); } InterpreterSetting setting = interpreterFactory.get(settingId); if (setting == null) { return new JsonResponse(Status.NOT_FOUND, "", settingId).build(); } return new JsonResponse(Status.OK, "", setting).build(); } /** * List all available interpreters by group */ @GET public Response listInterpreter(String message) { Map<String, RegisteredInterpreter> m = Interpreter.registeredInterpreters; return new JsonResponse(Status.OK, "", m).build(); } }