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/*-
* ============LICENSE_START=======================================================
* org.openecomp.aai
* ================================================================================
* Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
* ================================================================================
* 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.
* ============LICENSE_END=========================================================
*/
/**
*
*/
package org.openecomp.aai.util;
import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.net.InetAddress;
import java.net.UnknownHostException;
import java.util.ArrayList;
import java.util.List;
import java.util.StringTokenizer;
import java.util.UUID;
import org.openecomp.aai.exceptions.AAIException;
import org.openecomp.aai.logging.AAILogger;
import org.openecomp.aai.logging.LogLine;
import com.att.eelf.configuration.EELFLogger;
public class AAIRSyncUtility {
protected static AAILogger aaiLogger = new AAILogger(AAIRSyncUtility.class.getName());
protected LogLine logline = new LogLine();
public EELFLogger logger;
private final String DEFAULT_CHECK = new String("aai.primary.filetransfer.");
/**
* Instantiates a new AAIR sync utility.
*/
public AAIRSyncUtility() {
}
/**
* Do command.
*
* @param command the command
* @return the int
* @throws Exception the exception
*/
public int doCommand(List<String> command)
throws Exception
{
String s = null;
ProcessBuilder pb = new ProcessBuilder(command);
Process process = pb.start();
BufferedReader stdInput = new BufferedReader(new InputStreamReader(process.getInputStream()));
BufferedReader stdError = new BufferedReader(new InputStreamReader(process.getErrorStream()));
// read the output from the command
//System.out.println("Here is the standard output of the command:\n");
while ((s = stdInput.readLine()) != null)
{
//System.out.println(s);
aaiLogger.debug(logline, "stdout "+ s );
}
// read any errors from the attempted command
System.out.println("Here is the standard error of the command (if any):\n");
while ((s = stdError.readLine()) != null)
{
//System.out.println(s);
aaiLogger.debug(logline, "stderrbbbbbb "+ s );
}
return process.waitFor();
}
/**
* Method sendRsyncCommand.
*
* @param transId the trans id
* @param fileName the file name
*/
public void sendRsyncCommand(String transId, String fileName)
{
String methodName = "sendRsyncCommand";
logline.init("aaigen", transId, "AAI-Tools", methodName);
String aaiServerList = null;
String rsyncOptionsList = null;
String msg = null;
try {
aaiServerList = AAIConfig.get(DEFAULT_CHECK + "serverlist");
rsyncOptionsList = AAIConfig.get("aai.rsync.options.list");
String enableRsync = AAIConfig.get("aai.rsync.enabled");
if (!AAIConfig.isEmpty(enableRsync) && "n".equalsIgnoreCase(enableRsync)){
msg = " rsync is not enabled in aaiconfig.properties ";
logline.add( "rsync not invoked for "+fileName, msg );
aaiLogger.info(logline, true, "0");
return;
}
} catch ( Exception e ) {
msg = "missing aaiconfig.properties entries for rsync";
logline.add( "rsync not invoked ", msg );
aaiLogger.info(logline, true, "0");
}
aaiLogger.debug(logline, "rsync to copy files started....");
ArrayList<String> remoteHostList = new ArrayList<String>();
StringTokenizer serverList = new StringTokenizer( aaiServerList, "|" );
String host = null;
try {
host = getHost();
String remoteConnString = null;
remoteHostList = getRemoteHostList(serverList, host);
aaiLogger.debug(logline, " this host:" + host);
String pickUpDirectory = AAIConfig.get("instar.pickup.dir");
String user = AAIConfig.get("aai.rsync.remote.user");
String rsyncCmd = AAIConfig.get("aai.rsync.command");
//Push: rsync [OPTION...] SRC... [USER@]HOST:DEST
java.util.Iterator<String> remoteHostItr = remoteHostList.iterator();
while (!remoteHostList.isEmpty() && remoteHostItr.hasNext()) {
String remoteHost = remoteHostItr.next();
remoteConnString =user+"@"+remoteHost+":"+pickUpDirectory;
List<String> commands = new ArrayList<String>();
commands.add(rsyncCmd);
StringTokenizer optionTks = new StringTokenizer( rsyncOptionsList, "|" );
while (optionTks.hasMoreTokens()){
commands.add(optionTks.nextToken());
}
commands.add(fileName); // src directory/fileName
commands.add(remoteConnString); // target username/host/path
aaiLogger.debug(logline, commands.toString());
int rsyncResult = doCommand(commands);
if ( rsyncResult == 0 ) {
aaiLogger.debug(logline, "rsync completed for "+remoteHost);
}else {
aaiLogger.debug(logline, "rsync failed for "+ remoteHost+ " with response code "+rsyncResult );
}
}
} catch ( Exception e) {
e.printStackTrace();
msg = "processing serverList for host " + host + " exception " + e.getMessage();
logline.add( "no server found ", msg );
aaiLogger.info(logline, false, "AAI_4000");
}
aaiLogger.info(logline, true, "0");
}
/**
* Gets the remote host list.
*
* @param serverList the server list
* @param host the host
* @return the remote host list
*/
private ArrayList<String> getRemoteHostList(StringTokenizer serverList, String host) {
ArrayList<String> remoteHostList = new ArrayList<String>();
String remoteHost = null;
while ( serverList.hasMoreTokens() ) {
remoteHost = serverList.nextToken();
if (!host.equalsIgnoreCase(remoteHost)){
remoteHostList.add(remoteHost);
}
}
return remoteHostList;
}
/**
* Gets the host.
*
* @return the host
* @throws AAIException the AAI exception
*/
private String getHost() throws AAIException {
String aaiServerList = AAIConfig.get(DEFAULT_CHECK + "serverlist");
String msg = null;
String hostname = null;
try {
InetAddress ip = InetAddress.getLocalHost();
if ( ip != null ) {
hostname = ip.getHostName();
if ( hostname != null ) {
if ( !( aaiServerList.contains(hostname) ) )
msg = "host name not found in server list " + hostname;
} else
msg = "InetAddress returned null hostname";
}
} catch (UnknownHostException e) {
msg = "InetAddress getLocalHost exception " + e.getMessage();
aaiLogger.debug(logline, msg);
}
if ( msg != null ) {
aaiLogger.info(logline, true, "0");
}
return hostname;
}
}
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