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/*
* Copyright 2016-2017 Huawei Technologies Co., Ltd.
*
* Licensed 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.onap.vfc.nfvo.resmanagement.service.group.impl;
import org.onap.vfc.nfvo.resmanagement.common.VimUtil;
import org.onap.vfc.nfvo.resmanagement.common.constant.ParamConstant;
import org.onap.vfc.nfvo.resmanagement.common.util.restclient.ServiceException;
import org.onap.vfc.nfvo.resmanagement.service.business.impl.LimitsBusinessImpl;
import org.onap.vfc.nfvo.resmanagement.service.business.inf.LimitsBusiness;
import org.onap.vfc.nfvo.resmanagement.service.group.inf.GrantResService;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import net.sf.json.JSONArray;
import net.sf.json.JSONObject;
/**
* <br>
* <p>
* </p>
*
* @author
* @version VFC 1.0 Oct 29, 2016
*/
public class GrantResServiceImpl implements GrantResService {
public static final String ADD_RESOURCE = "addResource";
public static final String REMOVE_RESOURCE = "removeResource";
public static final String RESOURCE_TEMPLATE = "resourceTemplate";
private static final Logger LOGGER = LoggerFactory.getLogger(GrantResServiceImpl.class);
/**
* <br>
*
* @param object
* @return
* @throws ServiceException
* @since VFC 1.0
*/
@Override
public JSONObject grantResource(JSONObject object) throws ServiceException {
LOGGER.info("function=grantResource; object: {}", object.toString());
JSONObject additionalparam = object.getJSONObject("additionalParam");
String vimId = additionalparam.getString(ParamConstant.PARAM_VIMID);
JSONObject vimJson = VimUtil.getVimById(vimId);
String tenant = vimJson.getString(ParamConstant.PARAM_TENANT);
JSONObject accessinfo = new JSONObject();
accessinfo.put(ParamConstant.PARAM_TENANT, tenant);
JSONObject vim = new JSONObject();
vim.put(ParamConstant.PARAM_VIMID, vimId);
vim.put("accessinfo", accessinfo);
LOGGER.info("function=grantResource; vim: {}", vim.toString());
JSONObject result = new JSONObject();
result.put("vim", vim);
return result;
}
@Override
public JSONObject grantResourceReal(JSONObject object) throws ServiceException {
LOGGER.info("function=grantResource; object: {}", object.toString());
String vimId = object.getString(ParamConstant.PARAM_VIMID);
JSONObject vimJson = VimUtil.getVimById(vimId);
JSONObject vim = parseVim(vimJson);
String resType = "";
JSONArray resArr = new JSONArray();
if(object.containsKey(ADD_RESOURCE)) {
resType = ADD_RESOURCE;
resArr = parseResource(object, resType);
} else if(object.containsKey(REMOVE_RESOURCE)) {
resType = REMOVE_RESOURCE;
resArr = parseResource(object, resType);
}
JSONObject resInfo = getResInfo(object, resType);
boolean compareResult = queryLimitsAndCompare(vimId, resInfo);
JSONObject result = new JSONObject();
if(!compareResult) {
result.put("message", "Resource is not enough, grant resource failed.");
return result;
}
result.put("vim", vim);
result.put("zone", "");
result.put("zoneGroup", "");
result.put(resType, resArr);
result.put("tempResource", "");
result.put("updateResource", "");
result.put("vimAssets", new JSONObject());
result.put("additionalParam", "");
LOGGER.info("function=grantResource; result: {}", result.toString());
return result;
}
private boolean queryLimitsAndCompare(String vimId, JSONObject resInfo) throws ServiceException {
LimitsBusiness limitsBusiness = new LimitsBusinessImpl();
JSONObject limits = limitsBusiness.getLimits(vimId);
LOGGER.info("function=QueryLimitsAndCompare; limits: {}", limits);
JSONObject availableResourse = getAvailableFromLimits(limits);
return compareResourceWithLimits(resInfo, availableResourse);
}
private boolean compareResourceWithLimits(JSONObject resInfo, JSONObject availableResourse) {
LOGGER.info("function=compareResourceWithLimits; resInfo: {}, availableResourse: {}", resInfo,
availableResourse);
if(Float.parseFloat(resInfo.getString(ParamConstant.USED_CPU))
- Float.parseFloat(availableResourse.getString("availableCPU")) > 0) {
LOGGER.info("function=compareResourceWithLimits; CPU is not enough.");
return false;
}
if(Float.parseFloat(resInfo.getString(ParamConstant.USED_MEMORY))
- Float.parseFloat(availableResourse.getString("availableMemory")) > 0) {
LOGGER.info("function=compareResourceWithLimits; Memory is not enough.");
return false;
}
if(Float.parseFloat(resInfo.getString(ParamConstant.USED_DISK))
- Float.parseFloat(availableResourse.getString("availableDisk")) > 0) {
LOGGER.info("function=compareResourceWithLimits; Disk is not enough.");
return false;
}
return true;
}
private JSONObject getAvailableFromLimits(JSONObject limits) {
JSONObject available = new JSONObject();
String availableCPU = String.valueOf(Float.parseFloat(limits.getString("totalCPU"))
- Float.parseFloat(limits.getString(ParamConstant.USED_CPU)));
String availableMemory = String.valueOf(Float.parseFloat(limits.getString("totalMemory"))
- Float.parseFloat(limits.getString(ParamConstant.USED_MEMORY)));
String availableDisk = String.valueOf(Float.parseFloat(limits.getString("totalDisk"))
- Float.parseFloat(limits.getString(ParamConstant.USED_DISK)));
available.put("availableCPU", availableCPU);
available.put("availableMemory", availableMemory);
available.put("availableDisk", availableDisk);
return available;
}
private JSONObject getResInfo(JSONObject object, String type) {
JSONArray arr = object.getJSONArray(type);
LOGGER.info("function=getResInfo; arr: {}, type: {}", arr, type);
JSONObject resourceObj = new JSONObject();
if(ADD_RESOURCE.equals(type)) {
resourceObj = getGrantResource(arr);
resourceObj.put("action", "online");
} else if(REMOVE_RESOURCE.equals(type)) {
resourceObj = getGrantResource(arr);
resourceObj.put("action", "offline");
}
LOGGER.info("function=getResInfo; resutl: {}", resourceObj.toString());
return resourceObj;
}
/**
* <br>
*
* @param addResource
* @return
* @since VFC 1.0
*/
private JSONObject getGrantResource(JSONArray resource) {
int cpuNum = 0;
int memNum = 0;
int diskNum = 0;
for(int i = 0; i < resource.size(); i++) {
JSONObject res = resource.getJSONObject(i);
JSONObject vCpu = res.getJSONObject(RESOURCE_TEMPLATE).getJSONObject("virtualComputeDescriptor")
.getJSONObject("virtualCpu");
int vCpuNum = vCpu.getInt("numVirtualCpu");
JSONObject vMem = res.getJSONObject(RESOURCE_TEMPLATE).getJSONObject("virtualComputeDescriptor")
.getJSONObject("virtualMemory");
int vMemNum = vMem.getInt("virtualMemSize");
JSONObject vDisk = res.getJSONObject(RESOURCE_TEMPLATE).getJSONObject("virtualStorageDescriptor");
int vDiskNum = vDisk.getInt("sizeOfStorage");
cpuNum = cpuNum + vCpuNum;
memNum = memNum + vMemNum;
diskNum = diskNum + vDiskNum;
}
JSONObject obj = new JSONObject();
obj.put(ParamConstant.USED_CPU, String.valueOf(cpuNum));
obj.put(ParamConstant.USED_MEMORY, String.valueOf(memNum));
obj.put(ParamConstant.USED_DISK, String.valueOf(diskNum));
return obj;
}
/**
* <br>
*
* @param object
* @return
* @since VFC 1.0
*/
private JSONArray parseResource(JSONObject object, String key) {
JSONArray newResources = new JSONArray();
JSONArray oldResource = object.getJSONArray(key);
LOGGER.info("function=parseResource; Resource: {}", oldResource.toString());
for(int i = 0; i < oldResource.size(); i++) {
JSONObject res = oldResource.getJSONObject(i);
JSONObject obj = new JSONObject();
obj.put("reservationId", "");
obj.put("resourceProviderId", "");
obj.put("zoneId", "");
obj.put(ParamConstant.PARAM_VIMID, object.getString(ParamConstant.PARAM_VIMID));
obj.put("resourceDefinitionId", res.getString("resourceDefinitionId"));
newResources.add(obj);
}
LOGGER.info("function=parseResource; Parse Resource result: {}", newResources.toString());
return newResources;
}
/**
* <br>
*
* @param vimJson
* @return
* @since VFC 1.0
*/
private JSONObject parseVim(JSONObject vimJson) {
LOGGER.info("function=grantResource; vimJson: {}", vimJson.toString());
JSONObject interfaceInfo = new JSONObject();
interfaceInfo.put("vimType", vimJson.getString("type"));
interfaceInfo.put("apiVersion", "v2");
interfaceInfo.put("protocolType", "http");
JSONObject accessInfo = new JSONObject();
accessInfo.put(ParamConstant.PARAM_TENANT, vimJson.getString(ParamConstant.PARAM_TENANT));
accessInfo.put("username", vimJson.getString("userName"));
accessInfo.put("password", vimJson.getString("password"));
JSONObject vim = new JSONObject();
vim.put("vimInfoId", vimJson.getString(ParamConstant.PARAM_VIMID));
vim.put(ParamConstant.PARAM_VIMID, vimJson.getString(ParamConstant.PARAM_VIMID));
vim.put("interfaceInfo", interfaceInfo);
vim.put("accessInfo", accessInfo);
vim.put("interfaceEndpoint", vimJson.getString("url"));
return vim;
}
}
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