YARN-6280. Introduce deselect query param to skip ResourceRequest from getApp/getApps REST API. Contributed by Lantao Jin.
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/**
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements.See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership.The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License.You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.apache.hadoop.yarn.server.resourcemanager.webapp;
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import java.util.Arrays;
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import java.util.HashSet;
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import java.util.Set;
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import org.apache.commons.logging.Log;
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import org.apache.commons.logging.LogFactory;
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import org.apache.hadoop.yarn.webapp.BadRequestException;
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/**
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* DeSelectFields make the <code>/apps</code> api more flexible.
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* It can be used to strip off more fields if there's such use case in future.
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* You can simply extend it via two steps:
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* <br> 1. add a <code>DeSelectType</code> enum with a string literals
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* <br> 2. write your logical based on
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* the return of method contains(DeSelectType)
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*/
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public class DeSelectFields {
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private static final Log LOG =
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LogFactory.getLog(DeSelectFields.class.getName());
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private final Set<DeSelectType> types;
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public DeSelectFields() {
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this.types = new HashSet<DeSelectType>();
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}
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/**
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* Initial DeSelectFields with unselected fields.
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* @param unselectedFields a set of unselected field.
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*/
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public void initFields(Set<String> unselectedFields) {
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if (unselectedFields == null) {
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return;
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}
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for (String field : unselectedFields) {
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if (!field.trim().isEmpty()) {
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String[] literalsArray = field.split(",");
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for (String literals : literalsArray) {
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if (literals != null && !literals.trim().isEmpty()) {
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DeSelectType type = DeSelectType.obtainType(literals);
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if (type == null) {
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LOG.warn("Invalid deSelects string " + literals.trim());
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DeSelectType[] typeArray = DeSelectType.values();
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String allSuppportLiterals = Arrays.toString(typeArray);
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throw new BadRequestException("Invalid deSelects string "
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+ literals.trim() + " specified. It should be one of "
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+ allSuppportLiterals);
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} else {
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this.types.add(type);
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}
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}
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}
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}
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}
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}
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/**
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* Determine the deselect type should be handled or not.
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* @param type deselected type
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* @return true if the deselect type should be handled
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*/
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public boolean contains(DeSelectType type) {
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return types.contains(type);
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}
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/**
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* Deselect field type, can be boost in future.
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*/
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public enum DeSelectType {
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/**
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* <code>RESOURCE_REQUESTS</code> is the first
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* supported type from YARN-6280.
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*/
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RESOURCE_REQUESTS("resourceRequests");
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private final String literals;
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DeSelectType(String literals) {
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this.literals = literals;
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}
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/**
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* use literals as toString.
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* @return the literals of this type.
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*/
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@Override
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public String toString() {
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return literals;
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}
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/**
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* Obtain the <code>DeSelectType</code> by the literals given behind
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* <code>deSelects</code> in URL.
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* <br> e.g: deSelects="resourceRequests"
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* @param literals e.g: resourceRequests
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* @return <code>DeSelectType</code> e.g: DeSelectType.RESOURCE_REQUESTS
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*/
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public static DeSelectType obtainType(String literals) {
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for (DeSelectType type : values()) {
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if (type.literals.equalsIgnoreCase(literals)) {
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return type;
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}
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}
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return null;
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}
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}
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}
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@ -154,6 +154,7 @@ public interface RMWebServiceProtocol {
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* @param finishEnd filter the result by finish end time
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* @param applicationTypes filter the result by types
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* @param applicationTags filter the result by tags
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* @param unselectedFields De-selected params to avoid from report
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* @return all apps in the cluster
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*/
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@SuppressWarnings("checkstyle:parameternumber")
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@ -161,7 +162,7 @@ public interface RMWebServiceProtocol {
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Set<String> statesQuery, String finalStatusQuery, String userQuery,
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String queueQuery, String count, String startedBegin, String startedEnd,
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String finishBegin, String finishEnd, Set<String> applicationTypes,
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Set<String> applicationTags);
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Set<String> applicationTags, Set<String> unselectedFields);
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/**
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* This method retrieve all the activities in a specific node, and it is
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@ -205,9 +206,11 @@ public interface RMWebServiceProtocol {
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* @see ApplicationClientProtocol#getApplicationReport
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* @param hsr the servlet request
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* @param appId the Id of the application we want the report
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* @param unselectedFields De-selected param list to avoid from report
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* @return the app report for a specific application
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*/
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AppInfo getApp(HttpServletRequest hsr, String appId);
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AppInfo getApp(HttpServletRequest hsr, String appId,
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Set<String> unselectedFields);
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/**
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* This method retrieves the state for a specific app, and it is reachable by
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@ -444,7 +444,8 @@ public class RMWebServices extends WebServices implements RMWebServiceProtocol {
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@QueryParam(RMWSConsts.FINISHED_TIME_BEGIN) String finishBegin,
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@QueryParam(RMWSConsts.FINISHED_TIME_END) String finishEnd,
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@QueryParam(RMWSConsts.APPLICATION_TYPES) Set<String> applicationTypes,
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@QueryParam(RMWSConsts.APPLICATION_TAGS) Set<String> applicationTags) {
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@QueryParam(RMWSConsts.APPLICATION_TAGS) Set<String> applicationTags,
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@QueryParam("deSelects") Set<String> unselectedFields) {
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boolean checkCount = false;
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boolean checkStart = false;
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boolean checkEnd = false;
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@ -601,8 +602,11 @@ public class RMWebServices extends WebServices implements RMWebServiceProtocol {
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}
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}
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DeSelectFields deSelectFields = new DeSelectFields();
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deSelectFields.initFields(unselectedFields);
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AppInfo app = new AppInfo(rm, rmapp, hasAccess(rmapp, hsr),
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WebAppUtils.getHttpSchemePrefix(conf));
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WebAppUtils.getHttpSchemePrefix(conf), deSelectFields);
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allApps.add(app);
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}
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return allApps;
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@ -827,14 +831,20 @@ public class RMWebServices extends WebServices implements RMWebServiceProtocol {
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MediaType.APPLICATION_XML + "; " + JettyUtils.UTF_8 })
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@Override
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public AppInfo getApp(@Context HttpServletRequest hsr,
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@PathParam(RMWSConsts.APPID) String appId) {
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@PathParam(RMWSConsts.APPID) String appId,
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@QueryParam("deSelects") Set<String> unselectedFields) {
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init();
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ApplicationId id = WebAppUtils.parseApplicationId(recordFactory, appId);
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RMApp app = rm.getRMContext().getRMApps().get(id);
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if (app == null) {
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throw new NotFoundException("app with id: " + appId + " not found");
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}
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return new AppInfo(rm, app, hasAccess(app, hsr), hsr.getScheme() + "://");
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DeSelectFields deSelectFields = new DeSelectFields();
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deSelectFields.initFields(unselectedFields);
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return new AppInfo(rm, app, hasAccess(app, hsr), hsr.getScheme() + "://",
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deSelectFields);
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}
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@GET
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@ -44,6 +44,8 @@ import org.apache.hadoop.yarn.server.resourcemanager.rmapp.attempt.RMAppAttempt;
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import org.apache.hadoop.yarn.server.resourcemanager.scheduler.ResourceScheduler;
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import org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.CapacityScheduler;
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import org.apache.hadoop.yarn.server.resourcemanager.scheduler.common.fica.FiCaSchedulerApp;
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import org.apache.hadoop.yarn.server.resourcemanager.webapp.DeSelectFields;
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import org.apache.hadoop.yarn.server.resourcemanager.webapp.DeSelectFields.DeSelectType;
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import org.apache.hadoop.yarn.util.Times;
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import org.apache.hadoop.yarn.webapp.util.WebAppUtils;
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@ -121,9 +123,14 @@ public class AppInfo {
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public AppInfo() {
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} // JAXB needs this
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@SuppressWarnings({ "rawtypes", "unchecked" })
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public AppInfo(ResourceManager rm, RMApp app, Boolean hasAccess,
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String schemePrefix) {
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this(rm, app, hasAccess, schemePrefix, new DeSelectFields());
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}
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@SuppressWarnings({ "rawtypes", "unchecked" })
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public AppInfo(ResourceManager rm, RMApp app, Boolean hasAccess,
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String schemePrefix, DeSelectFields deSelects) {
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this.schemePrefix = schemePrefix;
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if (app != null) {
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String trackingUrl = app.getTrackingUrl();
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@ -196,13 +203,19 @@ public class AppInfo {
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clusterUsagePercentage = resourceReport.getClusterUsagePercentage();
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}
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List<ResourceRequest> resourceRequestsRaw = rm.getRMContext()
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.getScheduler()
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.getPendingResourceRequestsForAttempt(attempt.getAppAttemptId());
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/* When the deSelects parameter contains "resourceRequests",
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it skips returning massive ResourceRequest objects and vice versa.
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Default behavior is no skipping. (YARN-6280)
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*/
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if (!deSelects.contains(DeSelectType.RESOURCE_REQUESTS)) {
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List<ResourceRequest> resourceRequestsRaw = rm.getRMContext()
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.getScheduler().getPendingResourceRequestsForAttempt(
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attempt.getAppAttemptId());
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if (resourceRequestsRaw != null) {
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for (ResourceRequest req : resourceRequestsRaw) {
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resourceRequests.add(new ResourceRequestInfo(req));
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if (resourceRequestsRaw != null) {
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for (ResourceRequest req : resourceRequestsRaw) {
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resourceRequests.add(new ResourceRequestInfo(req));
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}
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}
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}
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}
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@ -665,12 +665,12 @@ public class TestRMWebServices extends JerseyTestBase {
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// verify we don't get any apps when querying
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HttpServletRequest mockHsr = mock(HttpServletRequest.class);
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AppsInfo appsInfo = webSvc.getApps(mockHsr, null, emptySet, null,
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null, null, null, null, null, null, null, emptySet, emptySet);
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null, null, null, null, null, null, null, emptySet, emptySet, null);
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assertTrue(appsInfo.getApps().isEmpty());
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// verify we don't get an NPE when specifying a final status query
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appsInfo = webSvc.getApps(mockHsr, null, emptySet, "FAILED",
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null, null, null, null, null, null, null, emptySet, emptySet);
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null, null, null, null, null, null, null, emptySet, emptySet, null);
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assertTrue(appsInfo.getApps().isEmpty());
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}
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@ -1054,6 +1054,70 @@ public class TestRMWebServicesApps extends JerseyTestBase {
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rm.stop();
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}
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@Test
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public void testAppsQueryWithInvaildDeselects()
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throws JSONException, Exception {
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try {
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rm.start();
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MockNM amNodeManager = rm.registerNode("127.0.0.1:1234", 2048);
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rm.submitApp(CONTAINER_MB);
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amNodeManager.nodeHeartbeat(true);
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WebResource r = resource();
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ClientResponse response = r.path("ws").path("v1").path("cluster")
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.path("apps").queryParam("deSelects", "INVALIED_deSelectsParam")
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.accept(MediaType.APPLICATION_JSON).get(ClientResponse.class);
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assertResponseStatusCode(Status.BAD_REQUEST, response.getStatusInfo());
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assertEquals(MediaType.APPLICATION_JSON_TYPE + "; " + JettyUtils.UTF_8,
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response.getType().toString());
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JSONObject msg = response.getEntity(JSONObject.class);
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JSONObject exception = msg.getJSONObject("RemoteException");
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assertEquals("incorrect number of elements", 3, exception.length());
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String message = exception.getString("message");
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String type = exception.getString("exception");
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String classname = exception.getString("javaClassName");
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WebServicesTestUtils.checkStringContains("exception message",
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"java.lang.Exception: Invalid deSelects string"
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+ " INVALIED_deSelectsParam " + "specified. It should be one of",
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message);
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WebServicesTestUtils.checkStringEqual("exception type",
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"BadRequestException", type);
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WebServicesTestUtils.checkStringEqual("exception classname",
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"org.apache.hadoop.yarn.webapp.BadRequestException", classname);
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} finally {
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rm.stop();
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}
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}
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@Test
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public void testAppsQueryWithDeselects()
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throws JSONException, Exception {
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rm.start();
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MockNM amNodeManager = rm.registerNode("127.0.0.1:1234", 2048);
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rm.submitApp(CONTAINER_MB);
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amNodeManager.nodeHeartbeat(true);
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WebResource r = resource();
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MultivaluedMapImpl params = new MultivaluedMapImpl();
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params.add("deSelects",
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DeSelectFields.DeSelectType.RESOURCE_REQUESTS.toString());
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ClientResponse response = r.path("ws").path("v1").path("cluster")
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.path("apps").queryParams(params)
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.accept(MediaType.APPLICATION_JSON).get(ClientResponse.class);
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assertEquals(MediaType.APPLICATION_JSON_TYPE + "; " + JettyUtils.UTF_8,
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response.getType().toString());
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JSONObject json = response.getEntity(JSONObject.class);
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assertEquals("incorrect number of elements", 1, json.length());
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JSONObject apps = json.getJSONObject("apps");
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assertEquals("incorrect number of elements", 1, apps.length());
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JSONArray array = apps.getJSONArray("app");
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assertEquals("incorrect number of elements", 1, array.length());
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JSONObject app = array.getJSONObject(0);
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assertTrue("resource requests shouldn't exits",
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!app.has("resourceRequests"));
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rm.stop();
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}
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@Test
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public void testAppStatistics() throws JSONException, Exception {
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try {
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|
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@ -1330,6 +1330,7 @@ Multiple parameters can be specified for GET operations. The started and finishe
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* finishedTimeEnd - applications with finish time ending with this time, specified in ms since epoch
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* applicationTypes - applications matching the given application types, specified as a comma-separated list.
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* applicationTags - applications matching any of the given application tags, specified as a comma-separated list.
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* deSelects - a generic fields which will be skipped in the result.
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### Elements of the *apps* (Applications) object
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@ -1339,6 +1340,21 @@ When you make a request for the list of applications, the information will be re
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|:---- |:---- |:---- |
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| app | array of app objects(JSON)/zero or more application objects(XML) | The collection of application objects |
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###Elements of the *deSelects* parameter
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Help requesters who don't need certain information to reduce the overhead.
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Current supported items:
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| Item | Data Type | Description |
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|:---- |:---- |:---- |
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| resouceRequests | comma separated string | Skip resource requests of application in return |
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e.g:
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* http://<rm http address:port>/ws/v1/cluster/apps?deSelects=resouceRequests
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### Response Examples
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**JSON response**
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@ -1396,7 +1412,47 @@ Response Body:
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"logAggregationStatus": "DISABLED",
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"unmanagedApplication": false,
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"appNodeLabelExpression": "",
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"amNodeLabelExpression": ""
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"amNodeLabelExpression": "",
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"resourceRequests": [
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{
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"capability": {
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"memory": 4096,
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"virtualCores": 1
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},
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"nodeLabelExpression": "",
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"numContainers": 0,
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"priority": {
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"priority": 0
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},
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"relaxLocality": true,
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"resourceName": "*"
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},
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{
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"capability": {
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"memory": 4096,
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"virtualCores": 1
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},
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"nodeLabelExpression": "",
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"numContainers": 0,
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"priority": {
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"priority": 20
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},
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"relaxLocality": true,
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"resourceName": "host1.domain.com"
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},
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{
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"capability": {
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"memory": 4096,
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"virtualCores": 1
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},
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"nodeLabelExpression": "",
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"numContainers": 0,
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"priority": {
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"priority": 20
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},
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"relaxLocality": true,
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"resourceName": "host2.domain.com"
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}]
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},
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{
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"id": "application_1476912658570_0001",
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@ -1432,7 +1488,47 @@ Response Body:
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"logAggregationStatus": "DISABLED",
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"unmanagedApplication": false,
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"appNodeLabelExpression": "",
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"amNodeLabelExpression": ""
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"amNodeLabelExpression": "",
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"resourceRequests": [
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{
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"capability": {
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"memory": 4096,
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"virtualCores": 1
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},
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"nodeLabelExpression": "",
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"numContainers": 0,
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"priority": {
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"priority": 0
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},
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"relaxLocality": true,
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"resourceName": "*"
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},
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{
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"capability": {
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"memory": 4096,
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"virtualCores": 1
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},
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"nodeLabelExpression": "",
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"numContainers": 0,
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"priority": {
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"priority": 20
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},
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"relaxLocality": true,
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"resourceName": "host3.domain.com"
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},
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{
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"capability": {
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"memory": 4096,
|
||||
"virtualCores": 1
|
||||
},
|
||||
"nodeLabelExpression": "",
|
||||
"numContainers": 0,
|
||||
"priority": {
|
||||
"priority": 20
|
||||
},
|
||||
"relaxLocality": true,
|
||||
"resourceName": "host4.domain.com"
|
||||
}]
|
||||
}
|
||||
]
|
||||
}
|
||||
|
@ -1493,6 +1589,45 @@ Response Body:
|
|||
<unmanagedApplication>false</unmanagedApplication>
|
||||
<appNodeLabelExpression></appNodeLabelExpression>
|
||||
<amNodeLabelExpression></amNodeLabelExpression>
|
||||
<resourceRequests>
|
||||
<capability>
|
||||
<memory>4096</memory>
|
||||
<virtualCores>1</virtualCores>
|
||||
</capability>
|
||||
<nodeLabelExpression/>
|
||||
<numContainers>0</numContainers>
|
||||
<priority>
|
||||
<priority>0</priority>
|
||||
</priority>
|
||||
<relaxLocality>true</relaxLocality>
|
||||
<resourceName>*</resourceName>
|
||||
</resourceRequests>
|
||||
<resourceRequests>
|
||||
<capability>
|
||||
<memory>4096</memory>
|
||||
<virtualCores>1</virtualCores>
|
||||
</capability>
|
||||
<nodeLabelExpression/>
|
||||
<numContainers>0</numContainers>
|
||||
<priority>
|
||||
<priority>20</priority>
|
||||
</priority>
|
||||
<relaxLocality>true</relaxLocality>
|
||||
<resourceName>host1.domain.com</resourceName>
|
||||
</resourceRequests>
|
||||
<resourceRequests>
|
||||
<capability>
|
||||
<memory>4096</memory>
|
||||
<virtualCores>1</virtualCores>
|
||||
</capability>
|
||||
<nodeLabelExpression/>
|
||||
<numContainers>0</numContainers>
|
||||
<priority>
|
||||
<priority>20</priority>
|
||||
</priority>
|
||||
<relaxLocality>true</relaxLocality>
|
||||
<resourceName>host2.domain.com</resourceName>
|
||||
</resourceRequests>
|
||||
</app>
|
||||
<app>
|
||||
<id>application_1476912658570_0001</id>
|
||||
|
@ -1529,6 +1664,45 @@ Response Body:
|
|||
<unmanagedApplication>false</unmanagedApplication>
|
||||
<appNodeLabelExpression></appNodeLabelExpression>
|
||||
<amNodeLabelExpression></amNodeLabelExpression>
|
||||
<resourceRequests>
|
||||
<capability>
|
||||
<memory>4096</memory>
|
||||
<virtualCores>1</virtualCores>
|
||||
</capability>
|
||||
<nodeLabelExpression/>
|
||||
<numContainers>0</numContainers>
|
||||
<priority>
|
||||
<priority>0</priority>
|
||||
</priority>
|
||||
<relaxLocality>true</relaxLocality>
|
||||
<resourceName>*</resourceName>
|
||||
</resourceRequests>
|
||||
<resourceRequests>
|
||||
<capability>
|
||||
<memory>4096</memory>
|
||||
<virtualCores>1</virtualCores>
|
||||
</capability>
|
||||
<nodeLabelExpression/>
|
||||
<numContainers>0</numContainers>
|
||||
<priority>
|
||||
<priority>20</priority>
|
||||
</priority>
|
||||
<relaxLocality>true</relaxLocality>
|
||||
<resourceName>host1.domain.com</resourceName>
|
||||
</resourceRequests>
|
||||
<resourceRequests>
|
||||
<capability>
|
||||
<memory>4096</memory>
|
||||
<virtualCores>1</virtualCores>
|
||||
</capability>
|
||||
<nodeLabelExpression/>
|
||||
<numContainers>0</numContainers>
|
||||
<priority>
|
||||
<priority>20</priority>
|
||||
</priority>
|
||||
<relaxLocality>true</relaxLocality>
|
||||
<resourceName>host2.domain.com</resourceName>
|
||||
</resourceRequests>
|
||||
</app>
|
||||
</apps>
|
||||
```
|
||||
|
|
Loading…
Reference in New Issue