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/*
* Copyright 2017 BOCO Corporation. CMCC 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.emsdriver.configmgr;
import com.alibaba.fastjson.JSONArray;
import com.alibaba.fastjson.JSONObject;
import com.google.common.annotations.VisibleForTesting;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.jdom.Document;
import org.jdom.Element;
import org.onap.vfc.nfvo.emsdriver.commons.constant.Constant;
import org.onap.vfc.nfvo.emsdriver.commons.model.CollectVo;
import org.onap.vfc.nfvo.emsdriver.commons.model.CrontabVo;
import org.onap.vfc.nfvo.emsdriver.commons.model.EMSInfo;
import org.onap.vfc.nfvo.emsdriver.commons.utils.DriverThread;
import org.onap.vfc.nfvo.emsdriver.commons.utils.StringUtil;
import org.onap.vfc.nfvo.emsdriver.commons.utils.XmlUtil;
import org.onap.vfc.nfvo.emsdriver.northbound.client.HttpClientUtil;
import java.io.File;
import java.io.FileInputStream;
import java.io.InputStream;
import java.util.*;
import java.util.concurrent.ConcurrentHashMap;
public class ConfigurationManager extends DriverThread {
public final static String CONFIG_PROPERTIES_LOCATION = Constant.SYS_CFG + "config.properties";
protected static Log log = LogFactory.getLog(ConfigurationManager.class);
/**
* ESM Cache
*/
@VisibleForTesting
static Map<String, EMSInfo> emsInfoCache = new ConcurrentHashMap<String, EMSInfo>();
@VisibleForTesting
static Properties properties = null;
private static Map<String, CrontabVo> emsCrontab = new ConcurrentHashMap<String, CrontabVo>();
private static List<String> emsIdList = new ArrayList<String>();
public static synchronized List<EMSInfo> getAllEMSInfos() {
List<EMSInfo> list = new ArrayList<EMSInfo>();
for (EMSInfo emsinfo : emsInfoCache.values()) {
list.add(emsinfo);
}
return list;
}
public static synchronized EMSInfo getEMSInfoByName(String emsName) {
EMSInfo emsInfo = emsInfoCache.get(emsName);
return emsInfo;
}
public static synchronized Properties getProperties() {
return properties;
}
@Override
public void dispose() {
File file = new File(CONFIG_PROPERTIES_LOCATION);
if (!file.exists() || !file.isFile()) {
log.error("cacheFilePath " + CONFIG_PROPERTIES_LOCATION + " not exist or is not File");
return;
}
try(InputStream in = new FileInputStream(file)){
properties = new Properties();
properties.load(in);
Map<String, CrontabVo> emsMap = readCorntab();
emsCrontab.putAll(emsMap);
new ReceiveSource().start();
} catch (Exception e) {
log.error("read [" + file.getAbsolutePath() + "]Exception :", e);
}
}
public Map<String, CrontabVo> readCorntab() {
String path = Constant.SYS_CFG + "crontab.xml";
File cfg = new File(path);
log.debug("start loading " + path);
if (!cfg.exists() || !cfg.isFile()) {
log.debug("not exists " + path);
return null;
}
Map<String, CrontabVo> tmpcache = new HashMap<String, CrontabVo>();
try (
InputStream is = new FileInputStream(cfg)){
Document doc = XmlUtil.getDocument(is);
Element root = doc.getRootElement();
@SuppressWarnings("unchecked")
List<Element> children = root.getChildren();
for (Iterator<Element> it = children.iterator(); it.hasNext(); ) {
CrontabVo crontabVo = new CrontabVo();
Element child = it.next();
String type = child.getAttributeValue("type");
if (StringUtil.isBank(type)) {
continue;
}
crontabVo.setType(type);
if (Constant.COLLECT_TYPE_ALARM.equalsIgnoreCase(type)) {
boolean iscollect = Boolean.parseBoolean(child.getAttributeValue("iscollect"));
if (iscollect) {
crontabVo.setIscollect(iscollect);
} else {
continue;
}
crontabVo.setReadTimeout(child.getChildText("readtimeout"));
} else {
String crontab = child.getAttributeValue("crontab");
if (!StringUtil.isBank(type) && !StringUtil.isBank(crontab)) {
crontabVo.setCrontab(crontab);
} else {
continue;
}
crontabVo.setMatch(child.getChildText("match"));
crontabVo.setGranularity(child.getChildText("granularity"));
}
tmpcache.put(type.toUpperCase(), crontabVo);
}
} catch (Exception e) {
log.error("load crontab.xml is error " + StringUtil.getStackTrace(e));
}
return tmpcache;
}
class ReceiveSource extends Thread {
long timeStamp = System.currentTimeMillis();
public void run() {
while (true) {
try {
if (System.currentTimeMillis() - timeStamp > Constant.ONEMINUTE) {
timeStamp = System.currentTimeMillis();
log.debug("ReceiveSource run");
}
//get emsId list
List<String> emsIds = this.getEmsIdList();
if (emsIds.size() > 0) {
emsIdList.clear();
emsIdList.addAll(emsIds);
}
for (String emsId : emsIdList) {
//get emsInfo by emsId
Map<String, EMSInfo> emsInfoMap = this.getEmsInfo(emsId);
emsInfoCache.putAll(emsInfoMap);
}
if (emsInfoCache.size() > 0) {
Thread.sleep(30 * 60 * 1000L);
} else {
Thread.sleep(60 * 1000L);
}
} catch (Exception e) {
try {
Thread.sleep(60 * 1000L);
} catch (Exception e1) {
log.error("InterruptedException :" + StringUtil.getStackTrace(e1));
}
log.error("ReceiveSource exception", e);
}
}
}
private Map<String, EMSInfo> getEmsInfo(String emsId) {
Map<String, EMSInfo> tmpcache = new ConcurrentHashMap<String, EMSInfo>();
String msbAddress = properties.getProperty("msbAddress");
String emstUrl = properties.getProperty("esr_emsUrl");
//set emsId to url
emstUrl = String.format(emstUrl, emsId);
String getemstUrl = "http://" + msbAddress + emstUrl;
String emsResult = HttpClientUtil.doGet(getemstUrl, Constant.ENCODING_UTF8);
log.debug(getemstUrl + " result=" + emsResult);
JSONObject reagobj = JSONObject.parseObject(emsResult);
JSONObject esr_system_info_list = reagobj.getJSONObject("esr-system-info-list");
JSONArray esr_system_info = esr_system_info_list.getJSONArray("esr-system-info");
Iterator<Object> it = esr_system_info.iterator();
EMSInfo emsInfo = new EMSInfo();
emsInfo.setName(emsId);
tmpcache.put(emsId, emsInfo);
while (it.hasNext()) {
Object obj = it.next();
JSONObject collect = (JSONObject) obj;
String system_type = (String) collect.get("system-type");
CollectVo collectVo = new CollectVo();
if (Constant.COLLECT_TYPE_CM.equalsIgnoreCase(system_type)) {
CrontabVo crontabVo = emsCrontab.get(system_type);
if (crontabVo != null) {
collectVo.setType(system_type);
collectVo.setCrontab(crontabVo.getCrontab());
collectVo.setIP(collect.getString("ip-address"));
collectVo.setPort(collect.getString("port"));
collectVo.setUser(collect.getString("user-name"));
collectVo.setPassword(collect.getString("password"));
collectVo.setRemotepath(collect.getString("remote-path"));
collectVo.setMatch(crontabVo.getMatch());
collectVo.setPassive(collect.getString("passive"));
collectVo.setGranularity(crontabVo.getGranularity());
} else {
log.error("emsCrontab.get(system_type) result crontabVo is null system_type=[" + system_type + "] emsCrontabMap=" + emsCrontab);
}
} else if (Constant.COLLECT_TYPE_PM.equalsIgnoreCase(system_type)) {
CrontabVo crontabVo = emsCrontab.get(system_type);
if (crontabVo != null) {
collectVo.setType(system_type);
collectVo.setCrontab(crontabVo.getCrontab());
collectVo.setIP(collect.getString("ip-address"));
collectVo.setPort(collect.getString("port"));
collectVo.setUser(collect.getString("user-name"));
collectVo.setPassword(collect.getString("password"));
collectVo.setRemotepath(collect.getString("remote-path"));
collectVo.setMatch(crontabVo.getMatch());
collectVo.setPassive(collect.getString("passive"));
collectVo.setGranularity(crontabVo.getGranularity());
} else {
log.error("emsCrontab.get(system_type) result crontabVo is null system_type=[" + system_type + "]");
}
} else if (Constant.COLLECT_TYPE_ALARM.equalsIgnoreCase(system_type)) {
CrontabVo crontabVo = emsCrontab.get(system_type);
if (crontabVo != null) {
collectVo.setIscollect(crontabVo.isIscollect());
collectVo.setType(system_type);
collectVo.setIP(collect.getString("ip-address"));
collectVo.setPort(collect.getString("port"));
collectVo.setUser(collect.getString("user-name"));
collectVo.setPassword(collect.getString("password"));
collectVo.setReadTimeout(crontabVo.getReadTimeout());
} else {
log.error("emsCrontab.get(system_type) result crontabVo is null system_type=[" + system_type + "]");
}
} else {
log.error("ems system-type =" + system_type + " ");
}
emsInfo.putCollectMap(system_type, collectVo);
}
return tmpcache;
}
private List<String> getEmsIdList() {
List<String> emsIds = new ArrayList<String>();
//http
String msbAddress = properties.getProperty("msbAddress");
String url = properties.getProperty("esr_ems_listUrl");
String getemsListUrl = "http://" + msbAddress + url;
String result = HttpClientUtil.doGet(getemsListUrl, Constant.ENCODING_UTF8);
log.debug(getemsListUrl + " result=" + result);
JSONObject reagobj = JSONObject.parseObject(result);
JSONArray esr_emsIds = reagobj.getJSONArray("esr-ems");
Iterator<Object> it = esr_emsIds.iterator();
while (it.hasNext()) {
Object obj = it.next();
JSONObject emsId = (JSONObject) obj;
String emsIdStr = (String) emsId.get("ems-id");
emsIds.add(emsIdStr);
}
return emsIds;
}
}
}
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