Package org.opennms.alec.smoke.util.ssh

Class SshClient

java.lang.Object

org.opennms.alec.smoke.util.ssh.SshClient

All Implemented Interfaces:

AutoCloseable

public class SshClient
extends Object
implements AutoCloseable

A simple SSH client wrapper used to run shell commands.

Author:

jwhite

Field Summary

Fields

Modifier and Type	Field	Description
static int	DEFAULT_TIMEOUT_MS

Constructor Summary

Constructors

Constructor	Description
SshClient(InetSocketAddress addr, String username, String password)

Method Summary

Modifier and Type	Method	Description
static Callable<Boolean>	canConnectViaSsh(InetSocketAddress addr, String username, String password)
void	close()
String	getStderr()
String	getStdout()
boolean	isShellClosed()	Checks if the shell's channel is closed.
Callable<Boolean>	isShellClosedCallable()
PrintStream	openShell()
void	setTimeout(int timeoutInMs)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

DEFAULT_TIMEOUT_MS

public static final int DEFAULT_TIMEOUT_MS

See Also:

Constant Field Values

Constructor Detail

SshClient

public SshClient(InetSocketAddress addr,
                 String username,
                 String password)

Method Detail

openShell

public PrintStream openShell()
                      throws Exception

Throws:

Exception

getStdout

public String getStdout()
                 throws IOException

Throws:

IOException

getStderr

public String getStderr()
                 throws IOException

Throws:

IOException

setTimeout

public void setTimeout(int timeoutInMs)

close

public void close()
           throws Exception

Specified by:

close in interface AutoCloseable

Throws:

Exception

isShellClosed

public boolean isShellClosed()

Checks if the shell's channel is closed. Can be used to make sure that stdout/stderr get fully populated after an exit/logout command is issued in the shell.

isShellClosedCallable

public Callable<Boolean> isShellClosedCallable()

canConnectViaSsh

public static Callable<Boolean> canConnectViaSsh(InetSocketAddress addr,
                                                 String username,
                                                 String password)