/**
* Tencent is pleased to support the open source community by making MSEC available.
*
* Copyright (C) 2016 THL A29 Limited, a Tencent company. All rights reserved.
*
* Licensed under the GNU General Public 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
*
* https://opensource.org/licenses/GPL-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 beans.service;
import beans.dbaccess.ServerInfo;
import beans.request.AddSecondLevelServiceIPInfoRequest;
import beans.response.AddSecondLevelServiceIPInfoResponse;
import msec.org.DBUtil;
import msec.org.JsonRPCHandler;
import msec.org.RemoteShell;
import msec.org.Tools;
import org.apache.log4j.Logger;
import java.sql.SQLException;
import java.text.SimpleDateFormat;
import java.util.*;
/**
*
* 扩容流程第一步 - 查看服务情况
*/
public class AddSecondLevelServiceIPInfo extends JsonRPCHandler {
public static String newPlanID()
{
double r = Math.random();
SimpleDateFormat df = new SimpleDateFormat("yyyyMMddHHmmss_");//设置日期格式
String ret = df.format(new Date());
ret = ret + (int)(Integer.MAX_VALUE * r);
return ret;
}
public AddSecondLevelServiceIPInfoResponse exec(AddSecondLevelServiceIPInfoRequest request)
{
Logger logger = Logger.getLogger("AddSecondLevelServiceIPInfo");
AddSecondLevelServiceIPInfoResponse response = new AddSecondLevelServiceIPInfoResponse();
response.setMessage("unknown error.");
response.setStatus(100);
String result = checkIdentity();
if (!result.equals("success"))
{
response.setStatus(99);
response.setMessage(result);
return response;
}
if (request.getIp() == null ||
request.getIp().equals(""))
{
response.setMessage("Some request field is empty.");
response.setStatus(100);
return response;
}
ArrayList<String> ips = Tools.splitBySemicolon(request.getIp());
Set<String> set_ips = new HashSet<>(ips);
DBUtil util = new DBUtil();
if (util.getConnection() == null)
{
response.setMessage("DB connect failed.");
response.setStatus(100);
return response;
}
try{
//check if the IP has been installed in set...
String sql = "select ip, port, status from t_service_info where first_level_service_name=? and second_level_service_name=? and ip in (";
List<Object> params = new ArrayList<>();
params.add(request.getFirst_level_service_name());
params.add(request.getSecond_level_service_name());
for(int i = 0; i < ips.size(); i++) {
if(i == 0) {
params.add(ips.get(i));
sql += "?";
}
else {
params.add(ips.get(i));
sql += ",?";
}
}
sql += ")";
try {
List<ServerInfo> serverList = util.findMoreRefResult(sql, params, ServerInfo.class);
if(serverList.size() > 0) {
response.setStatus(101);
response.setMessage("Input IP(s) is already installed.");
return response;
}
}
catch (Exception e)
{
response.setStatus(100);
response.setMessage("db query exception!");
logger.error(e);
return response;
}
ArrayList<AddSecondLevelServiceIPInfoResponse.IPInfo> addedIPs = new ArrayList<>();
for(String ip: ips) {
AddSecondLevelServiceIPInfoResponse.IPInfo info = response.new IPInfo();
info.setIp(ip);
RemoteShell remoteShell = new RemoteShell();
StringBuffer output = new StringBuffer();
String cmd = "cores=`cat /proc/cpuinfo | grep processor | wc -l`\n"+
"mhz=$(printf \"%.0f\" `cat /proc/cpuinfo | grep MHz | head -n1 | awk '{print $4}'`)\n"+
"memavail=`grep -i Memtotal /proc/meminfo | awk '{printf(\"%d\", $2*0.8)}'`\n"+
"id1=`grep 'cpu ' /proc/stat | awk '{print $5}'`\n"+
"all1=`grep 'cpu ' /proc/stat | awk '{print $2+$3+$4+$5+$6+$7}'`\n"+
"sleep 1\n"+
"id2=`grep 'cpu ' /proc/stat | awk '{print $5}'`\n"+
"all2=`grep 'cpu ' /proc/stat | awk '{print $2+$3+$4+$5+$6+$7}'`\n"+
"usage=$(printf \"%.0f\" `echo \"scale=1;100-($id2-$id1)*100/($all2-$all1)\"|bc`)\n"+
"mkdir -p "+request.getData_dir()+"\n"+
"disk_free=`df -Ph "+request.getData_dir()+" | tail -1 | awk '{print $4}'`\n"+
"echo -n $cores $mhz $memavail $usage $disk_free";
result = remoteShell.SendCmdsToRunAndGetResultBack(cmd, ip, output);
if (result == null || !result.equals("success"))
{
logger.info(String.format("remote error:%s|%s", ip, result));
info.setStatus_message("shell");
}
else {
logger.info(output);
String[] ipinfo_results = output.toString().split(" ");
if(ipinfo_results.length != 5)
{
info.setStatus_message("shell");
}
else {
//core mhz mem cpu free_space
info.setCpu_cores(Integer.parseInt(ipinfo_results[0]));
info.setCpu_mhz(Integer.parseInt(ipinfo_results[1]));
info.setMemory_avail(Integer.parseInt(ipinfo_results[2])/1024);
info.setCpu_load(Integer.parseInt(ipinfo_results[3]));
info.setData_dir_free_space(ipinfo_results[4]);
info.setStatus_message("ok");
}
}
addedIPs.add(info);
boolean check_ok = true;
for(AddSecondLevelServiceIPInfoResponse.IPInfo ip_info: addedIPs) {
if(ip_info.getStatus_message().equals("shell")) {
check_ok = false;
}
}
if(!check_ok){
response.setMessage("machine");
}
else {
response.setMessage("success");
}
response.setStatus(0);
}
response.setAdded_ips(addedIPs);
return response;
}
finally {
util.releaseConn();
}
}
}