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Package node_manager_fkie :: Module ssh_handler :: Class SSHhandler
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Class SSHhandler

source code

object --+
         |
        SSHhandler

The class to handle the SSH sessions to the remote hosts.

Instance Methods
 
__init__(self)
x.__init__(...) initializes x; see help(type(x)) for signature		 source code
 
close(self)
Closes all open SSH sessions.		 source code
tuple(ChannelFile, ChannelFile, ChannelFile), boolean
ssh_exec(self, host, cmd, user=None, pw=None, auto_pw_request=True)
Executes a command on remote host.		 source code
 
ssh_x11_exec(self, host, cmd, title=None, user=None)
Executes a command on remote host using a terminal with X11 forwarding.		 source code

Inherited from object: __delattr__, __format__, __getattribute__, __hash__, __new__, __reduce__, __reduce_ex__, __repr__, __setattr__, __sizeof__, __str__, __subclasshook__

Class Variables
  USER_DEFAULT = 'robot'
  SSH_SESSIONS = {}
  SSH_AUTH = {}
Properties

Inherited from object: __class__

Method Details

__init__(self)
(Constructor)

source code 

x.__init__(...) initializes x; see help(type(x)) for signature

Overrides: object.__init__
(inherited documentation)

close(self)

source code 

Closes all open SSH sessions. Used on the closing the node manager.

ssh_exec(self, host, cmd, user=None, pw=None, auto_pw_request=True)

source code 

Executes a command on remote host. Returns the output channels with execution result or None. The connection will be established using paramiko SSH library.

Parameters:
  • host (str) - the host
  • cmd ([str,...]) - the list with command and arguments
  • user - user name
  • pw - the password
Returns: tuple(ChannelFile, ChannelFile, ChannelFile), boolean
the (stdin, stdout, stderr) and boolean of the executing command

See Also: http://www.lag.net/paramiko/docs/paramiko.SSHClient-class.html#exec_command

ssh_x11_exec(self, host, cmd, title=None, user=None)

source code 

Executes a command on remote host using a terminal with X11 forwarding.

Parameters:
  • host (str) - the host
  • cmd ([str,...]) - the list with command and arguments
  • title (str or None) - the title of the new opened terminal, if it is None, no new terminal will be created
  • user - user name
Returns:
the result of subprocess.Popen(command)

To Do: establish connection using paramiko SSH library.

See Also: http://docs.python.org/library/subprocess.html?highlight=subproces#subprocess


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