hudson.plugins.sshslaves

Class SSHLauncher

java.lang.Object

hudson.model.AbstractDescribableImpl<hudson.slaves.ComputerLauncher>

hudson.slaves.ComputerLauncher

hudson.plugins.sshslaves.SSHLauncher

All Implemented Interfaces:

hudson.ExtensionPoint, hudson.model.Describable<hudson.slaves.ComputerLauncher>

public class SSHLauncher
extends hudson.slaves.ComputerLauncher

A computer launcher that tries to start a linux slave by opening an SSH connection and trying to find java.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	SSHLauncher.DefaultJavaProvider
static class	SSHLauncher.DefaultJDKInstaller Deprecated. Subtype of JDKInstaller causes JENKINS-10641.
static class	SSHLauncher.DescriptorImpl

Nested classes/interfaces inherited from interface hudson.ExtensionPoint

hudson.ExtensionPoint.LegacyInstancesAreScopedToHudson

Field Summary

Fields

Modifier and Type	Field and Description
static String	DEFAULT_JDK
String	javaPath Field javaPath.
static String	JDKVERSION
Integer	launchTimeoutSeconds Field launchTimeoutSeconds.
Integer	maxNumRetries Field maxNumRetries.
String	prefixStartSlaveCmd Field prefixStartSlaveCmd.
Integer	retryWaitTime Field retryWaitTime.
static com.cloudbees.plugins.credentials.domains.SchemeRequirement	SSH_SCHEME The scheme requirement.
String	suffixStartSlaveCmd Field suffixStartSlaveCmd.

Fields inherited from class hudson.slaves.ComputerLauncher

LIST

Constructor Summary

Constructors

Constructor and Description
SSHLauncher(String host, int port, com.cloudbees.jenkins.plugins.sshcredentials.SSHUser credentials, String jvmOptions, String javaPath, hudson.tools.JDKInstaller jdkInstaller, String prefixStartSlaveCmd, String suffixStartSlaveCmd) Deprecated. Use SSHLauncher(String, int, StandardUsernameCredentials, String, String, JDKInstaller, String, String) instead.
SSHLauncher(String host, int port, com.cloudbees.jenkins.plugins.sshcredentials.SSHUser credentials, String jvmOptions, String javaPath, String prefixStartSlaveCmd, String suffixStartSlaveCmd) Deprecated. Use SSHLauncher(String, int, StandardUsernameCredentials, String, String, String, String) instead.
SSHLauncher(String host, int port, com.cloudbees.plugins.credentials.common.StandardUsernameCredentials credentials, String jvmOptions, String javaPath, hudson.tools.JDKInstaller jdkInstaller, String prefixStartSlaveCmd, String suffixStartSlaveCmd) Deprecated.
SSHLauncher(String host, int port, com.cloudbees.plugins.credentials.common.StandardUsernameCredentials credentials, String jvmOptions, String javaPath, hudson.tools.JDKInstaller jdkInstaller, String prefixStartSlaveCmd, String suffixStartSlaveCmd, Integer launchTimeoutSeconds, Integer maxNumRetries, Integer retryWaitTime) Constructor SSHLauncher creates a new SSHLauncher instance.
SSHLauncher(String host, int port, com.cloudbees.plugins.credentials.common.StandardUsernameCredentials credentials, String jvmOptions, String javaPath, String prefixStartSlaveCmd, String suffixStartSlaveCmd) Deprecated. Use SSHLauncher(String, int, StandardUsernameCredentials, String, String, String, String, Integer, Integer, Integer) instead.
SSHLauncher(String host, int port, com.cloudbees.plugins.credentials.common.StandardUsernameCredentials credentials, String jvmOptions, String javaPath, String prefixStartSlaveCmd, String suffixStartSlaveCmd, Integer launchTimeoutSeconds) Deprecated. Use SSHLauncher(String, int, StandardUsernameCredentials, String, String, String, String, Integer, Integer, Integer) instead.
SSHLauncher(String host, int port, com.cloudbees.plugins.credentials.common.StandardUsernameCredentials credentials, String jvmOptions, String javaPath, String prefixStartSlaveCmd, String suffixStartSlaveCmd, Integer launchTimeoutSeconds, Integer maxNumRetries, Integer retryWaitTime) Constructor SSHLauncher creates a new SSHLauncher instance.
SSHLauncher(String host, int port, String username, String password, String privatekey, String jvmOptions)
SSHLauncher(String host, int port, String credentialsId, String jvmOptions, String javaPath, String prefixStartSlaveCmd, String suffixStartSlaveCmd) Deprecated. use SSHLauncher(String,int,String,String,String,String,String,Integer)
SSHLauncher(String host, int port, String credentialsId, String jvmOptions, String javaPath, String prefixStartSlaveCmd, String suffixStartSlaveCmd, Integer launchTimeoutSeconds) Deprecated. Use SSHLauncher(String, int, String, String, String, String, String, Integer, Integer, Integer) instead.
SSHLauncher(String host, int port, String credentialsId, String jvmOptions, String javaPath, String prefixStartSlaveCmd, String suffixStartSlaveCmd, Integer launchTimeoutSeconds, Integer maxNumRetries, Integer retryWaitTime) Constructor SSHLauncher creates a new SSHLauncher instance.
SSHLauncher(String host, int port, String username, String password, String privatekey, String jvmOptions, String javaPath, hudson.tools.JDKInstaller jdkInstaller, String prefixStartSlaveCmd, String suffixStartSlaveCmd) Deprecated. use the StandardUsernameCredentials based version
SSHLauncher(String host, int port, String username, String password, String privatekey, String jvmOptions, String javaPath, String prefixStartSlaveCmd, String suffixStartSlaveCmd) Deprecated. use the StandardUsernameCredentials based version

Method Summary

Methods

Modifier and Type	Method and Description
void	afterDisconnect(hudson.slaves.SlaveComputer slaveComputer, hudson.model.TaskListener listener)
protected String	checkJavaVersion(PrintStream logger, String javaCommand, BufferedReader r, StringWriter output) Given the output of "java -version" in r, determine if this version of Java is supported.
com.trilead.ssh2.Connection	getConnection()
com.cloudbees.plugins.credentials.common.StandardUsernameCredentials	getCredentials()
String	getCredentialsId()
String	getHost() Getter for property 'host'.
String	getJavaPath() Gets the optionnal java command to use to launch the slave JVM.
String	getJvmOptions() Gets the JVM Options used to launch the slave JVM.
Integer	getLaunchTimeoutSeconds() Getter for property 'launchTimeoutSeconds'
Integer	getMaxNumRetries() Getter for property 'maxNumRetries'
String	getPassword() Deprecated.
int	getPort() Getter for property 'port'.
String	getPrefixStartSlaveCmd()
String	getPrivatekey() Deprecated.
Integer	getRetryWaitTime() Getter for property 'retryWaitTime'
String	getSuffixStartSlaveCmd()
protected String	getTimestamp() Gets the formatted current time stamp.
String	getUsername() Deprecated.
boolean	isLaunchSupported()
void	launch(hudson.slaves.SlaveComputer computer, hudson.model.TaskListener listener)
static com.cloudbees.plugins.credentials.common.StandardUsernameCredentials	lookupSystemCredentials(String credentialsId)
static com.cloudbees.plugins.credentials.common.StandardUsernameCredentials	lookupSystemCredentials(String credentialsId, String host, int port)
protected void	openConnection(hudson.model.TaskListener listener)
protected void	reportEnvironment(hudson.model.TaskListener listener)
protected String	resolveJava(hudson.slaves.SlaveComputer computer, hudson.model.TaskListener listener) return javaPath if specified in the configuration.

Methods inherited from class hudson.slaves.ComputerLauncher

afterDisconnect, beforeDisconnect, beforeDisconnect, checkJavaVersion, launch

Methods inherited from class hudson.model.AbstractDescribableImpl

getDescriptor

Methods inherited from class java.lang.Object

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

Field Detail

SSH_SCHEME

public static final com.cloudbees.plugins.credentials.domains.SchemeRequirement SSH_SCHEME

The scheme requirement.

JDKVERSION

public static final String JDKVERSION

See Also:

Constant Field Values

DEFAULT_JDK

public static final String DEFAULT_JDK

See Also:

Constant Field Values

javaPath

public final String javaPath

Field javaPath.

prefixStartSlaveCmd

public final String prefixStartSlaveCmd

Field prefixStartSlaveCmd.

suffixStartSlaveCmd

public final String suffixStartSlaveCmd

Field suffixStartSlaveCmd.

launchTimeoutSeconds

public final Integer launchTimeoutSeconds

Field launchTimeoutSeconds.

maxNumRetries

public final Integer maxNumRetries

Field maxNumRetries.

retryWaitTime

public final Integer retryWaitTime

Field retryWaitTime.

Constructor Detail

SSHLauncher

@DataBoundConstructor
public SSHLauncher(String host,
                                int port,
                                String credentialsId,
                                String jvmOptions,
                                String javaPath,
                                String prefixStartSlaveCmd,
                                String suffixStartSlaveCmd,
                                Integer launchTimeoutSeconds,
                                Integer maxNumRetries,
                                Integer retryWaitTime)

Constructor SSHLauncher creates a new SSHLauncher instance.

Parameters:

host - The host to connect to.

port - The port to connect on.

credentialsId - The credentials id to connect as.

jvmOptions - Options passed to the java vm.

javaPath - Path to the host jdk installation. If null the jdk will be auto detected or installed by the JDKInstaller.

prefixStartSlaveCmd - This will prefix the start slave command. For instance if you want to execute the command with a different shell.

suffixStartSlaveCmd - This will suffix the start slave command.

launchTimeoutSeconds - Launch timeout in seconds

maxNumRetries - The number of times to retry connection if the SSH connection is refused during initial connect

retryWaitTime - The number of seconds to wait between retries

SSHLauncher

@Deprecated
public SSHLauncher(String host,
                      int port,
                      String credentialsId,
                      String jvmOptions,
                      String javaPath,
                      String prefixStartSlaveCmd,
                      String suffixStartSlaveCmd,
                      Integer launchTimeoutSeconds)

Deprecated. Use SSHLauncher(String, int, String, String, String, String, String, Integer, Integer, Integer) instead.

SSHLauncher

@Deprecated
public SSHLauncher(String host,
                      int port,
                      String credentialsId,
                      String jvmOptions,
                      String javaPath,
                      String prefixStartSlaveCmd,
                      String suffixStartSlaveCmd)

Deprecated. use SSHLauncher(String,int,String,String,String,String,String,Integer)

SSHLauncher

public SSHLauncher(String host,
           int port,
           com.cloudbees.plugins.credentials.common.StandardUsernameCredentials credentials,
           String jvmOptions,
           String javaPath,
           String prefixStartSlaveCmd,
           String suffixStartSlaveCmd,
           Integer launchTimeoutSeconds,
           Integer maxNumRetries,
           Integer retryWaitTime)

Constructor SSHLauncher creates a new SSHLauncher instance.

Parameters:

host - The host to connect to.

port - The port to connect on.

credentials - The credentials to connect as.

jvmOptions - Options passed to the java vm.

javaPath - Path to the host jdk installation. If null the jdk will be auto detected or installed by the JDKInstaller.

prefixStartSlaveCmd - This will prefix the start slave command. For instance if you want to execute the command with a different shell.

suffixStartSlaveCmd - This will suffix the start slave command.

launchTimeoutSeconds - Launch timeout in seconds

maxNumRetries - The number of times to retry connection if the SSH connection is refused during initial connect

retryWaitTime - The number of seconds to wait between retries

SSHLauncher

@Deprecated
public SSHLauncher(String host,
                      int port,
                      com.cloudbees.plugins.credentials.common.StandardUsernameCredentials credentials,
                      String jvmOptions,
                      String javaPath,
                      String prefixStartSlaveCmd,
                      String suffixStartSlaveCmd,
                      Integer launchTimeoutSeconds)

Deprecated. Use SSHLauncher(String, int, StandardUsernameCredentials, String, String, String, String, Integer, Integer, Integer) instead.

SSHLauncher

@Deprecated
public SSHLauncher(String host,
                      int port,
                      com.cloudbees.plugins.credentials.common.StandardUsernameCredentials credentials,
                      String jvmOptions,
                      String javaPath,
                      String prefixStartSlaveCmd,
                      String suffixStartSlaveCmd)

Deprecated. Use SSHLauncher(String, int, StandardUsernameCredentials, String, String, String, String, Integer, Integer, Integer) instead.

SSHLauncher

@Deprecated
public SSHLauncher(String host,
                      int port,
                      com.cloudbees.jenkins.plugins.sshcredentials.SSHUser credentials,
                      String jvmOptions,
                      String javaPath,
                      String prefixStartSlaveCmd,
                      String suffixStartSlaveCmd)

Deprecated. Use SSHLauncher(String, int, StandardUsernameCredentials, String, String, String, String) instead.

SSHLauncher

@Deprecated
public SSHLauncher(String host,
                      int port,
                      String username,
                      String password,
                      String privatekey,
                      String jvmOptions,
                      String javaPath,
                      String prefixStartSlaveCmd,
                      String suffixStartSlaveCmd)

Deprecated. use the StandardUsernameCredentials based version

Constructor SSHLauncher creates a new SSHLauncher instance.

Parameters:

host - The host to connect to.

port - The port to connect on.

username - The username to connect as.

password - The password to connect with.

privatekey - The ssh privatekey to connect with.

jvmOptions - Options passed to the java vm.

javaPath - Path to the host jdk installation. If null the jdk will be auto detected or installed by the JDKInstaller.

prefixStartSlaveCmd - This will prefix the start slave command. For instance if you want to execute the command with a different shell.

suffixStartSlaveCmd - This will suffix the start slave command.

SSHLauncher

@Deprecated
public SSHLauncher(String host,
                      int port,
                      String username,
                      String password,
                      String privatekey,
                      String jvmOptions,
                      String javaPath,
                      hudson.tools.JDKInstaller jdkInstaller,
                      String prefixStartSlaveCmd,
                      String suffixStartSlaveCmd)

Deprecated. use the StandardUsernameCredentials based version

Constructor SSHLauncher creates a new SSHLauncher instance.

Parameters:

host - The host to connect to.

port - The port to connect on.

username - The username to connect as.

password - The password to connect with.

privatekey - The ssh privatekey to connect with.

jvmOptions - Options passed to the java vm.

javaPath - Path to the host jdk installation. If null the jdk will be auto detected or installed by the JDKInstaller.

jdkInstaller - The jdk installer that will be used if no java vm is found on the specified host. If null the SSHLauncher.DefaultJDKInstaller will be used.

prefixStartSlaveCmd - This will prefix the start slave command. For instance if you want to execute the command with a different shell.

suffixStartSlaveCmd - This will suffix the start slave command.

SSHLauncher

@Deprecated
public SSHLauncher(String host,
                      int port,
                      com.cloudbees.plugins.credentials.common.StandardUsernameCredentials credentials,
                      String jvmOptions,
                      String javaPath,
                      hudson.tools.JDKInstaller jdkInstaller,
                      String prefixStartSlaveCmd,
                      String suffixStartSlaveCmd)

Deprecated.

Constructor SSHLauncher creates a new SSHLauncher instance.

Parameters:

host - The host to connect to.

port - The port to connect on.

credentials - The credentials to connect as.

jvmOptions - Options passed to the java vm.

javaPath - Path to the host jdk installation. If null the jdk will be auto detected or installed by the JDKInstaller.

jdkInstaller - The jdk installer that will be used if no java vm is found on the specified host. If null the SSHLauncher.DefaultJDKInstaller will be used.

prefixStartSlaveCmd - This will prefix the start slave command. For instance if you want to execute the command with a different shell.

suffixStartSlaveCmd - This will suffix the start slave command.

SSHLauncher

public SSHLauncher(String host,
           int port,
           com.cloudbees.plugins.credentials.common.StandardUsernameCredentials credentials,
           String jvmOptions,
           String javaPath,
           hudson.tools.JDKInstaller jdkInstaller,
           String prefixStartSlaveCmd,
           String suffixStartSlaveCmd,
           Integer launchTimeoutSeconds,
           Integer maxNumRetries,
           Integer retryWaitTime)

Constructor SSHLauncher creates a new SSHLauncher instance.

Parameters:

host - The host to connect to.

port - The port to connect on.

credentials - The credentials to connect as.

jvmOptions - Options passed to the java vm.

javaPath - Path to the host jdk installation. If null the jdk will be auto detected or installed by the JDKInstaller.

jdkInstaller - The jdk installer that will be used if no java vm is found on the specified host. If null the SSHLauncher.DefaultJDKInstaller will be used.

prefixStartSlaveCmd - This will prefix the start slave command. For instance if you want to execute the command with a different shell.

suffixStartSlaveCmd - This will suffix the start slave command.

launchTimeoutSeconds - Launch timeout in seconds

maxNumRetries - The number of times to retry connection if the SSH connection is refused during initial connect

retryWaitTime - The number of seconds to wait between retries

SSHLauncher

@Deprecated
public SSHLauncher(String host,
                      int port,
                      com.cloudbees.jenkins.plugins.sshcredentials.SSHUser credentials,
                      String jvmOptions,
                      String javaPath,
                      hudson.tools.JDKInstaller jdkInstaller,
                      String prefixStartSlaveCmd,
                      String suffixStartSlaveCmd)

Deprecated. Use SSHLauncher(String, int, StandardUsernameCredentials, String, String, JDKInstaller, String, String) instead.

SSHLauncher

public SSHLauncher(String host,
           int port,
           String username,
           String password,
           String privatekey,
           String jvmOptions)

Method Detail

lookupSystemCredentials

public static com.cloudbees.plugins.credentials.common.StandardUsernameCredentials lookupSystemCredentials(String credentialsId)

lookupSystemCredentials

public static com.cloudbees.plugins.credentials.common.StandardUsernameCredentials lookupSystemCredentials(String credentialsId,
                                                                                           String host,
                                                                                           int port)

getCredentialsId

public String getCredentialsId()

getCredentials

public com.cloudbees.plugins.credentials.common.StandardUsernameCredentials getCredentials()

isLaunchSupported

public boolean isLaunchSupported()

Overrides:

isLaunchSupported in class hudson.slaves.ComputerLauncher

getJvmOptions

public String getJvmOptions()

Gets the JVM Options used to launch the slave JVM.

Returns:

getJavaPath

public String getJavaPath()

Gets the optionnal java command to use to launch the slave JVM.

Returns:

getTimestamp

protected String getTimestamp()

Gets the formatted current time stamp.

Returns:

the formatted current time stamp.

launch

public void launch(hudson.slaves.SlaveComputer computer,
          hudson.model.TaskListener listener)
            throws InterruptedException

Overrides:

launch in class hudson.slaves.ComputerLauncher

Throws:

InterruptedException

resolveJava

protected String resolveJava(hudson.slaves.SlaveComputer computer,
                 hudson.model.TaskListener listener)
                      throws InterruptedException,
                             IOException

return javaPath if specified in the configuration. Finds local Java, and if none exist, install one.

Throws:

InterruptedException

IOException

reportEnvironment

protected void reportEnvironment(hudson.model.TaskListener listener)
                          throws IOException,
                                 InterruptedException

Throws:

IOException

InterruptedException

checkJavaVersion

@CheckForNull
protected String checkJavaVersion(PrintStream logger,
                                   String javaCommand,
                                   BufferedReader r,
                                   StringWriter output)
                           throws IOException

Given the output of "java -version" in r, determine if this version of Java is supported. This method has default visiblity for testing.

Parameters:

logger - where to log the output

javaCommand - the command executed, used for logging

r - the output of "java -version"

output - copy the data from r into this output buffer

Throws:

IOException

openConnection

protected void openConnection(hudson.model.TaskListener listener)
                       throws IOException,
                              InterruptedException

Throws:

IOException

InterruptedException

afterDisconnect

public void afterDisconnect(hudson.slaves.SlaveComputer slaveComputer,
                   hudson.model.TaskListener listener)

Overrides:

afterDisconnect in class hudson.slaves.ComputerLauncher

getHost

public String getHost()

Getter for property 'host'.

Returns:

Value for property 'host'.

getPort

public int getPort()

Getter for property 'port'.

Returns:

Value for property 'port'.

getUsername

@Deprecated
public String getUsername()

Deprecated.

Getter for property 'username'.

Returns:

Value for property 'username'.

getPassword

@Deprecated
public String getPassword()

Deprecated.

Getter for property 'password'.

Returns:

Value for property 'password'.

getPrivatekey

@Deprecated
public String getPrivatekey()

Deprecated.

Getter for property 'privatekey'.

Returns:

Value for property 'privatekey'.

getConnection

public com.trilead.ssh2.Connection getConnection()

getPrefixStartSlaveCmd

public String getPrefixStartSlaveCmd()

getSuffixStartSlaveCmd

public String getSuffixStartSlaveCmd()

getLaunchTimeoutSeconds

public Integer getLaunchTimeoutSeconds()

Getter for property 'launchTimeoutSeconds'

Returns:

launchTimeoutSeconds

getMaxNumRetries

public Integer getMaxNumRetries()

Getter for property 'maxNumRetries'

Returns:

maxNumRetries

getRetryWaitTime

public Integer getRetryWaitTime()

Getter for property 'retryWaitTime'

Returns:

retryWaitTime