Author: omalley
Date: Fri Mar 4 04:36:01 2011
New Revision: 1077610
URL: http://svn.apache.org/viewvc?rev=1077610&view=rev
Log:
commit 51e7588fdb822a95c73953a4d25303992579c3dd
Author: Iyappan Srinivasan <[email protected]>
Date: Wed Jul 28 08:43:25 2010 +0000
MAPREDUCE-1882
https://issues.apache.org/jira/secure/attachment/12450393/1882-ydist-security-patch.txt
Added:
hadoop/common/branches/branch-0.20-security-patches/src/test/system/java/shared/org/apache/hadoop/common/
hadoop/common/branches/branch-0.20-security-patches/src/test/system/java/shared/org/apache/hadoop/common/RemoteExecution.java
Added:
hadoop/common/branches/branch-0.20-security-patches/src/test/system/java/shared/org/apache/hadoop/common/RemoteExecution.java
URL:
http://svn.apache.org/viewvc/hadoop/common/branches/branch-0.20-security-patches/src/test/system/java/shared/org/apache/hadoop/common/RemoteExecution.java?rev=1077610&view=auto
==============================================================================
---
hadoop/common/branches/branch-0.20-security-patches/src/test/system/java/shared/org/apache/hadoop/common/RemoteExecution.java
(added)
+++
hadoop/common/branches/branch-0.20-security-patches/src/test/system/java/shared/org/apache/hadoop/common/RemoteExecution.java
Fri Mar 4 04:36:01 2011
@@ -0,0 +1,97 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you 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.apache.hadoop.common;
+
+import com.jcraft.jsch.*;
+import org.apache.commons.logging.LogFactory;
+import org.apache.commons.logging.Log;
+import java.io.InputStream;
+
+/**
+ * Remote Execution of commands or any other utility on a remote machine.
+ */
+
+public class RemoteExecution {
+
+ static final Log LOG = LogFactory.
+ getLog(RemoteExecution.class);
+
+ static String rsaOrDsaFileName = "id_dsa";
+
+ public RemoteExecution() throws Exception {
+ }
+
+ /**
+ * Execute command at remoteNode.
+ * @param JotTracker Client HostName, username provided,
+ * command to be executed remotely.
+ * @return void
+ */
+ public static void executeCommand(String jtClientHostName, String user,
+ String command) throws Exception {
+
+ JSch jsch = new JSch();
+
+ Session session = jsch.getSession(user, jtClientHostName, 22);
+ jsch.setKnownHosts("/homes/" + user + "/.ssh/known_hosts");
+ jsch.addIdentity("/homes/" + user + "/.ssh/" + rsaOrDsaFileName);
+ java.util.Properties config = new java.util.Properties();
+ config.put("StrictHostKeyChecking", "no");
+ session.setConfig(config);
+
+ session.connect(30000); // making a connection with timeout.
+
+ Channel channel=session.openChannel("exec");
+ ((ChannelExec)channel).setCommand(command);
+ channel.setInputStream(null);
+
+ ((ChannelExec)channel).setErrStream(System.err);
+
+ InputStream in = channel.getInputStream();
+ channel.connect();
+ byte[] tmp = new byte[1024];
+ while(true) {
+ while(in.available()>0){
+ int i=in.read(tmp, 0, 1024);
+ if(i<0)break;
+ System.out.print(new String(tmp, 0, i));
+ LOG.info(new String(tmp, 0, i));
+ }
+ if(channel.isClosed()){
+ System.out.println("exit-status: " + channel.getExitStatus());
+ break;
+ }
+ try{Thread.sleep(1000);}catch(Exception ee){ee.printStackTrace();}
+ }
+ channel.disconnect();
+ session.disconnect();
+ }
+
+ /**
+ * Execute command at remoteNode.
+ * @param JotTracker Client HostName, username provided,
+ * comamnd to be executed remotely, rsaOrDsaFileName to be found under .ssh.
+ * @return void
+ */
+ public static void executeCommand(String jtClientHostName, String user,
+ String command, String rsaDsaFileName) throws Exception {
+ rsaOrDsaFileName = rsaDsaFileName;
+ executeCommand(jtClientHostName, user, command);
+ }
+}
