Java tutorial
/* * Copyright 2014 by SCSK Corporation. * * This file is part of PrimeCloud Controller(TM). * * PrimeCloud Controller(TM) is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 2 of the License, or * (at your option) any later version. * * PrimeCloud Controller(TM) is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with PrimeCloud Controller(TM). If not, see <http://www.gnu.org/licenses/>. */ package jp.primecloud.auto.api.lb; import java.util.ArrayList; import java.util.List; import javax.ws.rs.GET; import javax.ws.rs.Path; import javax.ws.rs.Produces; import javax.ws.rs.QueryParam; import javax.ws.rs.core.MediaType; import jp.primecloud.auto.api.ApiSupport; import jp.primecloud.auto.api.ApiValidate; import org.apache.commons.lang.BooleanUtils; import org.apache.commons.lang.StringUtils; import jp.primecloud.auto.api.response.lb.EditLoadBalancerAutoScalingResponse; import jp.primecloud.auto.common.status.LoadBalancerStatus; import jp.primecloud.auto.entity.crud.AutoScalingConf; import jp.primecloud.auto.entity.crud.Image; import jp.primecloud.auto.entity.crud.ImageAws; import jp.primecloud.auto.entity.crud.ImageCloudstack; import jp.primecloud.auto.entity.crud.ImageNifty; import jp.primecloud.auto.entity.crud.ImageVcloud; import jp.primecloud.auto.entity.crud.ImageVmware; import jp.primecloud.auto.entity.crud.LoadBalancer; import jp.primecloud.auto.entity.crud.Platform; import jp.primecloud.auto.entity.crud.PlatformAws; import jp.primecloud.auto.entity.crud.User; import jp.primecloud.auto.exception.AutoApplicationException; import jp.primecloud.auto.exception.AutoException; import jp.primecloud.auto.util.MessageUtils; @Path("/EditLoadBalancerAutoScaling") public class EditLoadBalancerAutoScaling extends ApiSupport { /** * * ? * * @param userName ?? * @param farmNo ? * @param loadBalancerNo ?? * @param enabled / * @param platformNo ? * @param imageNo ? * @param instanceType * @param namingRule ?(????) * @param idleTimeMax CPU(%) * @param idleTimeMin CPU(%) * @param continueLimit () * @param addCount ?(?) * @param delCount ?(?) * * @return EditLoadBalancerAutoScalingResponse */ @GET @Produces({ MediaType.APPLICATION_JSON, MediaType.APPLICATION_XML }) public EditLoadBalancerAutoScalingResponse editLoadBalancer(@QueryParam(PARAM_NAME_USER) String userName, @QueryParam(PARAM_NAME_FARM_NO) String farmNo, @QueryParam(PARAM_NAME_LOAD_BALANCER_NO) String loadBalancerNo, @QueryParam(PARAM_NAME_ENABLED) String enabled, @QueryParam(PARAM_NAME_PLATFORM_NO) String platformNo, @QueryParam(PARAM_NAME_IMAGE_NO) String imageNo, @QueryParam(PARAM_NAME_INSTANCE_TYPE) String instanceType, @QueryParam(PARAM_NAME_NAMING_RULE) String namingRule, @QueryParam(PARAM_NAME_IDLE_TIME_MAX) String idleTimeMax, @QueryParam(PARAM_NAME_IDLE_TIME_MIN) String idleTimeMin, @QueryParam(PARAM_NAME_CONTINUE_LIMIT) String continueLimit, @QueryParam(PARAM_NAME_ADD_COUNT) String addCount, @QueryParam(PARAM_NAME_DEL_COUNT) String delCount) { EditLoadBalancerAutoScalingResponse response = new EditLoadBalancerAutoScalingResponse(); try { // ? // Key(??) ApiValidate.validateUser(userName); User user = userDao.readByUsername(userName); // FarmNo ApiValidate.validateFarmNo(farmNo); // LoadBalancerNo ApiValidate.validateLoadBalancerNo(loadBalancerNo); LoadBalancer loadBalancer = loadBalancerDao.read(Long.parseLong(loadBalancerNo)); if (loadBalancer == null) { // ????? throw new AutoApplicationException("EAPI-100000", "LoadBalancer", PARAM_NAME_LOAD_BALANCER_NO, loadBalancerNo); } if (!loadBalancer.getFarmNo().equals(Long.parseLong(farmNo))) { //?????? throw new AutoApplicationException("EAPI-100022", "LoadBalancer", farmNo, PARAM_NAME_LOAD_BALANCER_NO, loadBalancerNo); } // Enabled ApiValidate.validateEnabled(enabled); if (Boolean.valueOf(enabled)) { //Enabled?true?? //PlatformNo ApiValidate.validatePlatformNo(platformNo); //? Platform platform = platformDao.read(Long.parseLong(platformNo)); if (platform == null) { //???? throw new AutoApplicationException("EAPI-100000", "Platform", PARAM_NAME_PLATFORM_NO, platformNo); } if (!platformService.isUseablePlatforms(user.getUserNo(), platform) || BooleanUtils.isNotTrue(platform.getSelectable())) { //????? or ???? throw new AutoApplicationException("EAPI-000020", "Platform", PARAM_NAME_PLATFORM_NO, platformNo); } Platform lbPlatform = platformDao.read(loadBalancer.getPlatformNo()); if (PLATFORM_TYPE_AWS.equals(lbPlatform.getPlatformType())) { PlatformAws platformAws = platformAwsDao.read(loadBalancer.getPlatformNo()); if (!platformAws.getEuca() && platformAws.getVpc()) { //??EC2+VPC?????? if (!lbPlatform.getPlatformNo().equals(platform.getPlatformNo())) { throw new AutoApplicationException("EAPI-100036", loadBalancer.getLoadBalancerName(), loadBalancer.getLoadBalancerNo(), platform.getPlatformNo()); } } } //ImageNo ApiValidate.validateImageNo(imageNo); Image image = imageDao.read(Long.parseLong(imageNo)); if (image == null || !image.getPlatformNo().equals(platform.getPlatformNo())) { //???? or ????? throw new AutoApplicationException("EAPI-100000", "Image", PARAM_NAME_IMAGE_NO, imageNo); } if (BooleanUtils.isNotTrue(image.getSelectable())) { //??? throw new AutoApplicationException("EAPI-000020", "Image", PARAM_NAME_IMAGE_NO, imageNo); } //InstanceType ApiValidate.validateInstanceType(instanceType, true); List<String> instanceTypes = getInstanceTypes(platform, image); if (!instanceTypes.contains(instanceType)) { // ????????? throw new AutoApplicationException("EAPI-000011", imageNo, instanceType); } //NamingRule ApiValidate.validateNamingRule(namingRule); namingRule = namingRule + "%d"; //IdleTimeMax ApiValidate.validateIdleTimeMax(idleTimeMax); //IdleTimeMin ApiValidate.validateIdleTimeMin(idleTimeMin); //ContinueLimit ApiValidate.validateContinueLimit(continueLimit); //AddCount ApiValidate.validateAddCount(addCount); //DelCount ApiValidate.validateDelCount(delCount); } LoadBalancerStatus status = LoadBalancerStatus.fromStatus(loadBalancer.getStatus()); if (LoadBalancerStatus.WARNING == status) { // ? ? Warning throw new AutoApplicationException("EAPI-100025", loadBalancerNo); } // if (Boolean.valueOf(enabled)) { // loadBalancerService.updateAutoScalingConf(loadBalancer.getFarmNo(), Long.parseLong(loadBalancerNo), Long.parseLong(platformNo), Long.parseLong(imageNo), instanceType, Boolean.parseBoolean(enabled) ? 1 : 0, namingRule, Long.parseLong(idleTimeMax), Long.parseLong(idleTimeMin), Long.parseLong(continueLimit), Long.parseLong(addCount), Long.parseLong(delCount)); } else { // AutoScalingConf autoScalingConf = autoScalingConfDao.read(Long.parseLong(loadBalancerNo)); loadBalancerService.updateAutoScalingConf(loadBalancer.getFarmNo(), Long.parseLong(loadBalancerNo), autoScalingConf.getPlatformNo(), autoScalingConf.getImageNo(), autoScalingConf.getInstanceType(), Boolean.parseBoolean(enabled) ? 1 : 0, autoScalingConf.getNamingRule(), autoScalingConf.getIdleTimeMax(), autoScalingConf.getIdleTimeMin(), autoScalingConf.getContinueLimit(), autoScalingConf.getAddCount(), autoScalingConf.getDelCount()); } response.setSuccess(true); } catch (Throwable e) { String message = ""; if (e instanceof AutoException || e instanceof AutoApplicationException) { message = e.getMessage(); } else { message = MessageUtils.getMessage("EAPI-000000"); } log.error(message, e); response.setMessage(message); response.setSuccess(false); } return response; } /** * * ??()? * * @param platform * @param image * @return ?() */ private List<String> getInstanceTypes(Platform platform, Image image) { String instanceTypesText = null; if (PLATFORM_TYPE_AWS.equals(platform.getPlatformType())) { //Aws or Eucalyptus ImageAws imageAws = imageAwsDao.read(image.getImageNo()); instanceTypesText = imageAws.getInstanceTypes(); } else if (PLATFORM_TYPE_VMWARE.equals(platform.getPlatformType())) { //VMWare ImageVmware imageVmware = imageVmwareDao.read(image.getImageNo()); instanceTypesText = imageVmware.getInstanceTypes(); } else if (PLATFORM_TYPE_NIFTY.equals(platform.getPlatformType())) { //Nifty ImageNifty imageNifty = imageNiftyDao.read(image.getImageNo()); instanceTypesText = imageNifty.getInstanceTypes(); } else if (PLATFORM_TYPE_CLOUDSTACK.equals(platform.getPlatformType())) { //CloudStack ImageCloudstack imageCloudstack = imageCloudstackDao.read(image.getImageNo()); instanceTypesText = imageCloudstack.getInstanceTypes(); } else if (PLATFORM_TYPE_VCLOUD.equals(platform.getPlatformType())) { //VCloud ImageVcloud imageVcloud = imageVcloudDao.read(image.getImageNo()); instanceTypesText = imageVcloud.getInstanceTypes(); } List<String> instanceTypes = getInstanceTypesFromText(instanceTypesText); return instanceTypes; } /** * * ?(??)??()? * * @param instanceTypesText * @return instanceTypes ?() */ private static List<String> getInstanceTypesFromText(String instanceTypesText) { List<String> instanceTypes = new ArrayList<String>(); if (StringUtils.isNotEmpty(instanceTypesText)) { for (String instanceType : StringUtils.split(instanceTypesText, ",")) { instanceTypes.add(instanceType.trim()); } } return instanceTypes; } }