io.parallec.core.commander.workflow.ssh

Class SshProvider

java.lang.Object

io.parallec.core.commander.workflow.ssh.SshProvider

public class SshProvider
extends java.lang.Object

based on Jsch. tested with real VM with Key/password cases. Run ssh. This is a basic one that works with password. If needed we may replace this SshProvider after defining an interface.

Author:

Yuanteng (Jeff) Pei

Field Summary

Fields

Modifier and Type	Field and Description
private com.jcraft.jsch.Channel	channel The channel.
private static org.slf4j.Logger	logger The logger.
private com.jcraft.jsch.Session	session The session.
private SshMeta	sshMeta The ssh meta.
private java.lang.String	targetHost The target host.

Constructor Summary

Constructors

Constructor and Description
SshProvider() Instantiates a new ssh provider.
SshProvider(SshMeta sshMeta, java.lang.String targetHost) Instantiates a new ssh provider.

Method Summary

Modifier and Type	Method and Description
ResponseOnSingeRequest	executeAndGenResponse(com.jcraft.jsch.ChannelExec channel) Seems there are bad naming in the library the sysout is in channel.getInputStream(); the syserr is in ((ChannelExec)channel).setErrStream(os);
ResponseOnSingeRequest	executeSshCommand() finally: will close the connection.
ResponseOnSingeRequest	genErrorResponse(java.lang.Exception t) Gen error response.
SshMeta	getSshMeta() Gets the ssh meta.
java.lang.String	getTargetHost() Gets the target host.
com.jcraft.jsch.Channel	sessionConnectGenerateChannel(com.jcraft.jsch.Session session) Session connect generate channel.
void	setSshMeta(SshMeta sshMeta) Sets the ssh meta.
void	setTargetHost(java.lang.String targetHost) Sets the target host.
com.jcraft.jsch.Session	startSshSessionAndObtainSession() Start ssh session and obtain session.

Methods inherited from class java.lang.Object

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

Field Detail

logger

private static org.slf4j.Logger logger

The logger.

sshMeta

private SshMeta sshMeta

The ssh meta.

targetHost

private java.lang.String targetHost

The target host.

session

private com.jcraft.jsch.Session session

The session.

channel

private com.jcraft.jsch.Channel channel

The channel.

Constructor Detail

SshProvider

public SshProvider(SshMeta sshMeta,
                   java.lang.String targetHost)

Instantiates a new ssh provider.

Parameters:

sshMeta - the ssh meta

targetHost - the target host

SshProvider

public SshProvider()

Instantiates a new ssh provider.

Method Detail

executeSshCommand

public ResponseOnSingeRequest executeSshCommand()

finally: will close the connection.

Returns:

the response on singe request

startSshSessionAndObtainSession

public com.jcraft.jsch.Session startSshSessionAndObtainSession()

Start ssh session and obtain session.

Returns:

the session

sessionConnectGenerateChannel

public com.jcraft.jsch.Channel sessionConnectGenerateChannel(com.jcraft.jsch.Session session)
                                                      throws com.jcraft.jsch.JSchException

Session connect generate channel.

Parameters:

session - the session

Returns:

the channel

Throws:

com.jcraft.jsch.JSchException - the j sch exception

executeAndGenResponse

public ResponseOnSingeRequest executeAndGenResponse(com.jcraft.jsch.ChannelExec channel)

Seems there are bad naming in the library the sysout is in channel.getInputStream(); the syserr is in ((ChannelExec)channel).setErrStream(os);

Parameters:

channel - the channel

Returns:

the response on singe request

genErrorResponse

public ResponseOnSingeRequest genErrorResponse(java.lang.Exception t)

Gen error response.

Parameters:

t - the t

Returns:

the response on single request

getSshMeta

public SshMeta getSshMeta()

Gets the ssh meta.

Returns:

the ssh meta

setSshMeta

public void setSshMeta(SshMeta sshMeta)

Sets the ssh meta.

Parameters:

sshMeta - the new ssh meta

getTargetHost

public java.lang.String getTargetHost()

Gets the target host.

Returns:

the target host

setTargetHost

public void setTargetHost(java.lang.String targetHost)

Sets the target host.

Parameters:

targetHost - the new target host