/** * 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.ambari.view.tez; import com.google.inject.ImplementedBy; /** * Interface of controller to handle requests for the tez View. */ @ImplementedBy(ViewControllerImpl.class) public interface ViewController { String PARAM_YARN_ATS_URL = "yarn.ats.url"; String PARAM_YARN_RESOURCEMANAGER_URL = "yarn.resourcemanager.url"; String PARAM_YARN_PROTOCOL = "yarn.protocol"; /** * @return Get the properties that any user is allowed to see, even non-admin users. */ public ViewStatus getViewStatus(); /** * * @return The Active Application timeline server URL. Though, there is currently no * HA in ATS, the ATS Url that is returned is considered as the Active one. */ String getActiveATSUrl(); /** * @return The active resource manager URL. */ String getActiveRMUrl(); /** * @return The protocol used by YARN daemons. */ String getYARNProtocol(); /** * @return The authentication type for RM. Check: https://hadoop.apache.org/docs/r1.2.1/HttpAuthentication.html */ String getRMAuthenticationType(); /** * @return The authentication used for timeline server HTTP endpoint. Check: https://hadoop.apache.org/docs/r2.7.1/hadoop-yarn/hadoop-yarn-site/TimelineServer.html */ String getATSAuthenticationType(); }