@ -18,38 +18,31 @@
from __future__ import ( absolute_import , division , print_function )
__metaclass__ = type
import gettext
import fcntl
import hmac
import os
import pipes
import pty
import pwd
import random
import re
import select
import shlex
import subprocess
import time
from hashlib import sha1
from ansible import constants as C
from ansible . errors import AnsibleError , AnsibleConnectionFailure , AnsibleFileNotFound
from ansible . plugins . connection import ConnectionBase
from ansible . utils . path import unfrackpath , makedirs_safe
SSHPASS_AVAILABLE = None
class Connection ( ConnectionBase ) :
''' ssh based connections '''
transport = ' ssh '
has_pipelining = True
become_methods = frozenset ( C . BECOME_METHODS ) . difference ( [ ' runas ' ] )
def __init__ ( self , * args , * * kwargs ) :
# SSH connection specific init stuff
self . _common_args = [ ]
self . HASHED_KEY_MAGIC = " |1| "
super ( Connection , self ) . __init__ ( * args , * * kwargs )
self . host = self . _play_context . remote_addr
@ -63,38 +56,81 @@ class Connection(ConnectionBase):
if ' ansible_ssh_args ' in v :
self . ssh_args = v [ ' ansible_ssh_args ' ]
@property
def transport ( self ) :
''' used to identify this connection object from other classes '''
return ' ssh '
# The connection is created by running ssh/scp/sftp from the exec_command,
# put_file, and fetch_file methods, so we don't need to do any connection
# management here.
def _split_args ( self , argstring ) :
"""
Takes a string like ' -o Foo=1 -o Bar= " foo bar " ' and returns a
list [ ' -o ' , ' Foo=1 ' , ' -o ' , ' Bar=foo bar ' ] that can be added to
the argument list . The list will not contain any empty elements .
"""
return [ x . strip ( ) for x in shlex . split ( argstring ) if x . strip ( ) ]
def _connect ( self ) :
self . _connected = True
return self
def add_args ( self , explanation , args ) :
"""
Adds the given args to _common_args and displays a
caller - supplied explanation of why they were added .
"""
self . _common_args + = args
self . _display . vvvvv ( ' SSH: ' + explanation + ' : ( %s ) ' % ' )( ' . join ( args ) , host = self . _play_context . remote_addr )
def close ( self ) :
# If we have a persistent ssh connection (ControlPersist), we can ask it
# to stop listening. Otherwise, there's nothing to do here.
def _connect ( self ) :
''' connect to the remote host '''
# TODO: reenable once winrm issues are fixed
# temporarily disabled as we are forced to currently close connections after every task because of winrm
# if self._connected and self._persistent:
# cmd = self._build_command('ssh', '-O', 'stop', self.host)
# p = subprocess.Popen(cmd, stdin=subprocess.PIPE, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
# stdout, stderr = p.communicate()
self . _display . vvv ( " ESTABLISH SSH CONNECTION FOR USER: {0} " . format ( self . _play_context . remote_user ) , host = self . _play_context . remote_addr )
self . _connected = False
def _build_command ( self , binary , * other_args ) :
'''
Takes a binary ( ssh , scp , sftp ) and optional extra arguments and returns
a command line as an array that can be passed to subprocess . Popen after
appending any extra commands to it .
'''
self . _command = [ ]
## First, the command name.
# If we want to use password authentication, we have to set up a pipe to
# write the password to sshpass.
if self . _play_context . password :
global SSHPASS_AVAILABLE
# We test once if sshpass is available, and remember the result. It
# would be nice to use distutils.spawn.find_executable for this, but
# distutils isn't always available; shutils.which() is Python3-only.
if SSHPASS_AVAILABLE is None :
try :
p = subprocess . Popen ( [ " sshpass " ] , stdin = subprocess . PIPE , stdout = subprocess . PIPE , stderr = subprocess . PIPE )
p . communicate ( )
SSHPASS_AVAILABLE = True
except OSError :
SSHPASS_AVAILABLE = False
if self . _connected :
return self
if not SSHPASS_AVAILABLE :
raise AnsibleError ( " to use the ' ssh ' connection type with passwords, you must install the sshpass program " )
self . sshpass_pipe = os . pipe ( )
self . _command + = [ ' sshpass ' , ' -d {0} ' . format ( self . sshpass_pipe [ 0 ] ) ]
self . _command + = [ binary ]
## Next, additional arguments based on the configuration.
# sftp batch mode allows us to correctly catch failed transfers, but can
# be disabled if the client side doesn't support the option. FIXME: is
# this still a real concern?
# We start with ansible_ssh_args from the inventory if it's set,
# or [ssh_connection]ssh_args from ansible.cfg, or the default
# Control* settings.
if binary == ' sftp ' and C . DEFAULT_SFTP_BATCH_MODE :
self . _command + = [ ' -b ' , ' - ' ]
elif binary == ' ssh ' :
self . _command + = [ ' -C ' ]
self . _command + = [ ' -vvv ' ]
# Next, we add ansible_ssh_args from the inventory if it's set, or
# [ssh_connection]ssh_args from ansible.cfg, or the default Control*
# settings.
if self . ssh_args :
args = self . _split_args ( self . ssh_args )
@ -109,29 +145,9 @@ class Connection(ConnectionBase):
)
self . add_args ( " default arguments " , args )
# If any of the above have set ControlPersist but not a
# ControlPath, add one ourselves.
cp_in_use = False
cp_path_set = False
for arg in self . _common_args :
if " ControlPersist " in arg :
cp_in_use = True
if " ControlPath " in arg :
cp_path_set = True
if cp_in_use and not cp_path_set :
self . _cp_dir = unfrackpath ( ' $HOME/.ansible/cp ' )
args = ( " -o " , " ControlPath= \" {0} \" " . format (
C . ANSIBLE_SSH_CONTROL_PATH % dict ( directory = self . _cp_dir ) )
)
self . add_args ( " found only ControlPersist; added ControlPath " , args )
# The directory must exist and be writable.
makedirs_safe ( self . _cp_dir , 0o700 )
if not os . access ( self . _cp_dir , os . W_OK ) :
raise AnsibleError ( " Cannot write to ControlPath %s " % self . _cp_dir )
# Now we add various arguments controlled by configuration file settings
# (e.g. host_key_checking) or inventory variables (ansible_ssh_port) or
# a combination thereof.
if not C . HOST_KEY_CHECKING :
self . add_args (
@ -184,110 +200,43 @@ class Connection(ConnectionBase):
args = self . _split_args ( self . ssh_extra_args )
self . add_args ( " inventory added ansible_ssh_extra_args " , args )
self . _connected = True
return self
def _run ( self , cmd , indata ) :
if indata :
# do not use pseudo-pty
p = subprocess . Popen ( cmd , stdin = subprocess . PIPE , stdout = subprocess . PIPE , stderr = subprocess . PIPE )
stdin = p . stdin
else :
# try to use upseudo-pty
try :
# Make sure stdin is a proper (pseudo) pty to avoid: tcgetattr errors
master , slave = pty . openpty ( )
p = subprocess . Popen ( cmd , stdin = slave , stdout = subprocess . PIPE , stderr = subprocess . PIPE )
stdin = os . fdopen ( master , ' w ' , 0 )
os . close ( slave )
except :
p = subprocess . Popen ( cmd , stdin = subprocess . PIPE , stdout = subprocess . PIPE , stderr = subprocess . PIPE )
stdin = p . stdin
return ( p , stdin )
# If ssh_args or ssh_extra_args set ControlPersist but not a
# ControlPath, add one ourselves.
def _password_cmd ( self ) :
if self . _play_context . password :
try :
p = subprocess . Popen ( [ " sshpass " ] , stdin = subprocess . PIPE , stdout = subprocess . PIPE , stderr = subprocess . PIPE )
p . communicate ( )
except OSError :
raise AnsibleError ( " to use the ' ssh ' connection type with passwords, you must install the sshpass program " )
( self . rfd , self . wfd ) = os . pipe ( )
return [ " sshpass " , " -d {0} " . format ( self . rfd ) ]
return [ ]
cp_in_use = False
cp_path_set = False
for arg in self . _command :
if " ControlPersist " in arg :
cp_in_use = True
if " ControlPath " in arg :
cp_path_set = True
def _send_password ( self ) :
if self . _play_context . password :
os . close ( self . rfd )
os . write ( self . wfd , " {0} \n " . format ( self . _play_context . password ) )
os . close ( self . wfd )
if cp_in_use and not cp_path_set :
self . _cp_dir = unfrackpath ( ' $HOME/.ansible/cp ' )
def _communicate ( self , p , stdin , indata , sudoable = True ) :
fcntl . fcntl ( p . stdout , fcntl . F_SETFL , fcntl . fcntl ( p . stdout , fcntl . F_GETFL ) & ~ os . O_NONBLOCK )
fcntl . fcntl ( p . stderr , fcntl . F_SETFL , fcntl . fcntl ( p . stderr , fcntl . F_GETFL ) & ~ os . O_NONBLOCK )
# We can't use p.communicate here because the ControlMaster may have stdout open as well
stdout = ' '
stderr = ' '
rpipes = [ p . stdout , p . stderr ]
if indata :
try :
stdin . write ( indata )
stdin . close ( )
except :
raise AnsibleConnectionFailure ( ' SSH Error: data could not be sent to the remote host. Make sure this host can be reached over ssh ' )
# Read stdout/stderr from process
while True :
rfd , wfd , efd = select . select ( rpipes , [ ] , rpipes , 1 )
args = ( " -o " , " ControlPath= {0} " . format (
C . ANSIBLE_SSH_CONTROL_PATH % dict ( directory = self . _cp_dir ) )
)
self . add_args ( " found only ControlPersist; added ControlPath " , args )
# fail early if the become password is wrong
if self . _play_context . become and sudoable :
if self . _play_context . become_pass :
self . check_incorrect_password ( stdout )
elif self . check_password_prompt ( stdout ) :
raise AnsibleError ( ' Missing %s password ' % self . _play_context . become_method )
# The directory must exist and be writable.
makedirs_safe ( self . _cp_dir , 0o700 )
if not os . access ( self . _cp_dir , os . W_OK ) :
raise AnsibleError ( " Cannot write to ControlPath %s " % self . _cp_dir )
if p . stderr in rfd :
dat = os . read ( p . stderr . fileno ( ) , 9000 )
stderr + = dat
if dat == ' ' :
rpipes . remove ( p . stderr )
elif p . stdout in rfd :
dat = os . read ( p . stdout . fileno ( ) , 9000 )
stdout + = dat
if dat == ' ' :
rpipes . remove ( p . stdout )
# If the configuration dictates that we use a persistent connection,
# then we remember that for later. (We could be more thorough about
# detecting this, though.)
# only break out if no pipes are left to read or
# the pipes are completely read and
# the process is terminated
if ( not rpipes or not rfd ) and p . poll ( ) is not None :
break
# No pipes are left to read but process is not yet terminated
# Only then it is safe to wait for the process to be finished
# NOTE: Actually p.poll() is always None here if rpipes is empty
elif not rpipes and p . poll ( ) == None :
p . wait ( )
# The process is terminated. Since no pipes to read from are
# left, there is no need to call select() again.
break
# close stdin after process is terminated and stdout/stderr are read
# completely (see also issue #848)
stdin . close ( )
return ( p . returncode , stdout , stderr )
if cp_in_use :
self . _persistent = True
def lock_host_keys ( self , lock ) :
## Finally, we add any caller-supplied extras.
# lock around the initial SSH connectivity so the user prompt about
# whether to add the host to known hosts is not intermingled with
# multiprocess output.
#
# This is a noop for now, pending further investigation. The lock file
# should be opened in TaskQueueManager and passed down through the
# PlayContext.
if other_args :
self . _command + = other_args
pass
return self . _command
def exec_command ( self , * args , * * kwargs ) :
"""
@ -331,7 +280,6 @@ class Connection(ConnectionBase):
time . sleep ( pause )
continue
return return_tuple
def _exec_command ( self , cmd , tmp_path , in_data = None , sudoable = True ) :
@ -339,52 +287,125 @@ class Connection(ConnectionBase):
super ( Connection , self ) . exec_command ( cmd , tmp_path , in_data = in_data , sudoable = sudoable )
ssh_cmd = self . _password_cmd ( )
ssh_cmd + = ( " ssh " , " -C " )
if not in_data :
# we can only use tty when we are not pipelining the modules. piping data into /usr/bin/python
# inside a tty automatically invokes the python interactive-mode but the modules are not
# compatible with the interactive-mode ("unexpected indent" mainly because of empty lines)
ssh_cmd . append ( " -tt " )
if self . _play_context . verbosity > 3 :
ssh_cmd . append ( " -vvv " )
self . _display . vvv ( " ESTABLISH SSH CONNECTION FOR USER: {0} " . format ( self . _play_context . remote_user ) , host = self . _play_context . remote_addr )
# we can only use tty when we are not pipelining the modules. piping
# data into /usr/bin/python inside a tty automatically invokes the
# python interactive-mode but the modules are not compatible with the
# interactive-mode ("unexpected indent" mainly because of empty lines)
if in_data :
cmd = self . _build_command ( ' ssh ' , self . host , cmd )
else :
cmd = self . _build_command ( ' ssh ' , ' -tt ' , self . host , cmd )
( returncode , stdout , stderr ) = self . _run ( cmd , in_data , sudoable = sudoable )
return ( returncode , ' ' , stdout , stderr )
def put_file ( self , in_path , out_path ) :
''' transfer a file from local to remote '''
super ( Connection , self ) . put_file ( in_path , out_path )
self . _display . vvv ( " PUT {0} TO {1} " . format ( in_path , out_path ) , host = self . host )
if not os . path . exists ( in_path ) :
raise AnsibleFileNotFound ( " file or module does not exist: {0} " . format ( in_path ) )
# scp and sftp require square brackets for IPv6 addresses, but
# accept them for hostnames and IPv4 addresses too.
host = ' [ %s ] ' % self . host
if C . DEFAULT_SCP_IF_SSH :
cmd = self . _build_command ( ' scp ' , in_path , ' {0} : {1} ' . format ( host , pipes . quote ( out_path ) ) )
in_data = None
else :
ssh_cmd . append ( " -q " )
ssh_cmd + = self . _common_args
cmd = self . _build_command ( ' sftp ' , host )
in_data = " put {0} {1} \n " . format ( pipes . quote ( in_path ) , pipes . quote ( out_path ) )
ssh_cmd . append ( self . host )
( returncode , stdout , stderr ) = self . _run ( cmd , in_data )
ssh_cmd . append ( cmd )
self . _display . vvv ( " EXEC {0} " . format ( ' ' . join ( ssh_cmd ) ) , host = self . host )
if returncode != 0 :
raise AnsibleError ( " failed to transfer file to {0} : \n {1} \n {2} " . format ( out_path , stdout , stderr ) )
self . lock_host_keys ( True )
def fetch_file ( self , in_path , out_path ) :
''' fetch a file from remote to local '''
# create process
( p , stdin ) = self . _run ( ssh_cmd , in_data )
super ( Connection , self ) . fetch_file ( in_path , out_path )
self . _send_password ( )
self . _display . vvv ( " FETCH {0} TO {1} " . format ( in_path , out_path ) , host = self . host )
# scp and sftp require square brackets for IPv6 addresses, but
# accept them for hostnames and IPv4 addresses too.
host = ' [ %s ] ' % self . host
if C . DEFAULT_SCP_IF_SSH :
cmd = self . _build_command ( ' scp ' , ' {0} : {1} ' . format ( host , pipes . quote ( in_path ) ) , out_path )
in_data = None
else :
cmd = self . _build_command ( ' sftp ' , host )
in_data = " get {0} {1} \n " . format ( pipes . quote ( in_path ) , pipes . quote ( out_path ) )
( returncode , stdout , stderr ) = self . _run ( cmd , in_data )
if returncode != 0 :
raise AnsibleError ( " failed to transfer file from {0} : \n {1} \n {2} " . format ( in_path , stdout , stderr ) )
def _run ( self , cmd , in_data , sudoable = True ) :
'''
Starts the command and communicates with it until it ends .
'''
display_cmd = map ( pipes . quote , cmd [ : - 1 ] ) + [ cmd [ - 1 ] ]
self . _display . vvv ( ' SSH: EXEC {0} ' . format ( ' ' . join ( display_cmd ) ) , host = self . host )
# Start the given command. If we don't need to pipeline data, we can try
# to use a pseudo-tty. If we are pipelining data, or can't create a pty,
# we fall back to using plain old pipes.
p = None
if not in_data :
try :
# Make sure stdin is a proper pty to avoid tcgetattr errors
master , slave = pty . openpty ( )
p = subprocess . Popen ( cmd , stdin = slave , stdout = subprocess . PIPE , stderr = subprocess . PIPE )
stdin = os . fdopen ( master , ' w ' , 0 )
os . close ( slave )
except :
p = None
if not p :
p = subprocess . Popen ( cmd , stdin = subprocess . PIPE , stdout = subprocess . PIPE , stderr = subprocess . PIPE )
stdin = p . stdin
# If we are using SSH password authentication, write the password to the
# pipe we opened in _build_command.
if self . _play_context . password :
os . close ( self . sshpass_pipe [ 0 ] )
os . write ( self . sshpass_pipe [ 1 ] , " {0} \n " . format ( self . _play_context . password ) )
os . close ( self . sshpass_pipe [ 1 ] )
# This section is specific to ssh:
#
# If we have a privilege escalation prompt, we need to look for the
# prompt and send the password (but we won't be prompted if sudo has
# NOPASSWD configured), then detect successful escalation (or handle
# errors and timeouts).
no_prompt_out = ' '
no_prompt_err = ' '
if self . _play_context . prompt :
'''
Several cases are handled for privileges with password
* NOPASSWD ( tty & no - tty ) : detect success_key on stdout
* without NOPASSWD :
* detect prompt on stdout ( tty )
* detect prompt on stderr ( no - tty )
'''
self . _display . debug ( " Handling privilege escalation password prompt. " )
fcntl . fcntl ( p . stdout , fcntl . F_SETFL , fcntl . fcntl ( p . stdout , fcntl . F_GETFL ) | os . O_NONBLOCK )
fcntl . fcntl ( p . stderr , fcntl . F_SETFL , fcntl . fcntl ( p . stderr , fcntl . F_GETFL ) | os . O_NONBLOCK )
become_output = ' '
become_errput = ' '
passprompt = False
while True :
self . _display . debug ( ' Waiting for Privilege Escalation input ' )
@ -414,7 +435,6 @@ class Connection(ConnectionBase):
become_output + = chunk
self . _display . debug ( ' stdout chunk is: %s ' % chunk )
if not chunk :
break
#raise AnsibleError('Connection closed waiting for privilege escalation password prompt: %s ' % become_output)
@ -426,15 +446,69 @@ class Connection(ConnectionBase):
no_prompt_out = become_output
no_prompt_err = become_errput
# Now we're back to common handling for ssh/scp/sftp. If we have any
# data to write into the connection, we do it now. (But we can't use
# p.communicate because the ControlMaster may have stdout open too.)
fcntl . fcntl ( p . stdout , fcntl . F_SETFL , fcntl . fcntl ( p . stdout , fcntl . F_GETFL ) & ~ os . O_NONBLOCK )
fcntl . fcntl ( p . stderr , fcntl . F_SETFL , fcntl . fcntl ( p . stderr , fcntl . F_GETFL ) & ~ os . O_NONBLOCK )
if in_data :
try :
stdin . write ( in_data )
stdin . close ( )
except :
raise AnsibleConnectionFailure ( ' SSH Error: data could not be sent to the remote host. Make sure this host can be reached over ssh ' )
# Now we just loop reading stdout/stderr from the process until it
# terminates.
stdout = stderr = ' '
rpipes = [ p . stdout , p . stderr ]
while True :
rfd , wfd , efd = select . select ( rpipes , [ ] , rpipes , 1 )
# fail early if the become password is wrong
if self . _play_context . become and sudoable :
if self . _play_context . become_pass :
self . check_incorrect_password ( stdout )
elif self . check_password_prompt ( stdout ) :
raise AnsibleError ( ' Missing %s password ' % self . _play_context . become_method )
if p . stderr in rfd :
dat = os . read ( p . stderr . fileno ( ) , 9000 )
stderr + = dat
if dat == ' ' :
rpipes . remove ( p . stderr )
elif p . stdout in rfd :
dat = os . read ( p . stdout . fileno ( ) , 9000 )
stdout + = dat
if dat == ' ' :
rpipes . remove ( p . stdout )
( returncode , stdout , stderr ) = self . _communicate ( p , stdin , in_data , sudoable = sudoable )
# only break out if no pipes are left to read or
# the pipes are completely read and
# the process is terminated
if ( not rpipes or not rfd ) and p . poll ( ) is not None :
break
# No pipes are left to read but process is not yet terminated
# Only then it is safe to wait for the process to be finished
# NOTE: Actually p.poll() is always None here if rpipes is empty
elif not rpipes and p . poll ( ) == None :
p . wait ( )
# The process is terminated. Since no pipes to read from are
# left, there is no need to call select() again.
break
self . lock_host_keys ( False )
# close stdin after process is terminated and stdout/stderr are read
# completely (see also issue #848)
stdin . close ( )
controlpersisterror = ' Bad configuration option: ControlPersist ' in stderr or ' unknown configuration option: ControlPersist ' in stderr
if C . HOST_KEY_CHECKING :
if ssh_cmd [ 0 ] == " sshpass " and p . returncode == 6 :
if [ 0 ] == " sshpass " and p . returncode == 6 :
raise AnsibleError ( ' Using a SSH password instead of a key is not possible because Host Key checking is enabled and sshpass does not support this. Please add this host \' s fingerprint to your known_hosts file to manage this host. ' )
if p . returncode != 0 and controlpersisterror :
@ -444,88 +518,22 @@ class Connection(ConnectionBase):
if p . returncode == 255 and in_data :
raise AnsibleConnectionFailure ( ' SSH Error: data could not be sent to the remote host. Make sure this host can be reached over ssh ' )
return ( p . returncode , ' ' , no_prompt_out + stdout , no_prompt_err + stderr )
def put_file ( self , in_path , out_path ) :
''' transfer a file from local to remote '''
super ( Connection , self ) . put_file ( in_path , out_path )
return ( p . returncode , no_prompt_out + stdout , no_prompt_err + stderr )
self . _display . vvv ( " PUT {0} TO {1} " . format ( in_path , out_path ) , host = self . host )
if not os . path . exists ( in_path ) :
raise AnsibleFileNotFound ( " file or module does not exist: {0} " . format ( in_path ) )
cmd = self . _password_cmd ( )
# Utility functions
# scp and sftp require square brackets for IPv6 addresses, but
# accept them for hostnames and IPv4 addresses too.
host = ' [ %s ] ' % self . host
if C . DEFAULT_SCP_IF_SSH :
cmd . append ( ' scp ' )
cmd . extend ( self . _common_args )
cmd . extend ( [ in_path , ' {0} : {1} ' . format ( host , pipes . quote ( out_path ) ) ] )
indata = None
else :
cmd . append ( ' sftp ' )
cmd . extend ( self . _common_args )
cmd . append ( host )
indata = " put {0} {1} \n " . format ( pipes . quote ( in_path ) , pipes . quote ( out_path ) )
( p , stdin ) = self . _run ( cmd , indata )
self . _send_password ( )
( returncode , stdout , stderr ) = self . _communicate ( p , stdin , indata )
if returncode != 0 :
raise AnsibleError ( " failed to transfer file to {0} : \n {1} \n {2} " . format ( out_path , stdout , stderr ) )
def fetch_file ( self , in_path , out_path ) :
''' fetch a file from remote to local '''
super ( Connection , self ) . fetch_file ( in_path , out_path )
self . _display . vvv ( " FETCH {0} TO {1} " . format ( in_path , out_path ) , host = self . host )
cmd = self . _password_cmd ( )
if C . DEFAULT_SCP_IF_SSH :
cmd . append ( ' scp ' )
cmd . extend ( self . _common_args )
cmd . extend ( [ ' {0} : {1} ' . format ( self . host , in_path ) , out_path ] )
indata = None
else :
cmd . append ( ' sftp ' )
# sftp batch mode allows us to correctly catch failed transfers,
# but can be disabled if for some reason the client side doesn't
# support the option
if C . DEFAULT_SFTP_BATCH_MODE :
cmd . append ( ' -b ' )
cmd . append ( ' - ' )
cmd . extend ( self . _common_args )
cmd . append ( self . host )
indata = " get {0} {1} \n " . format ( in_path , out_path )
p = subprocess . Popen ( cmd , stdin = subprocess . PIPE , stdout = subprocess . PIPE , stderr = subprocess . PIPE )
self . _send_password ( )
stdout , stderr = p . communicate ( indata )
if p . returncode != 0 :
raise AnsibleError ( " failed to transfer file from {0} : \n {1} \n {2} " . format ( in_path , stdout , stderr ) )
def close ( self ) :
if self . _connected :
# TODO: reenable once winrm issues are fixed
# temporarily disabled as we are forced to currently close connections after every task because of winrm
#if and 'ControlMaster' in self._common_args:
# cmd = ['ssh','-O','stop']
# cmd.extend(self._common_args)
# cmd.append(self._play_context.remote_addr)
# p = subprocess.Popen(cmd, stdin=subprocess.PIPE, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
# stdout, stderr = p.communicate()
self . _connected = False
def _split_args ( self , argstring ) :
"""
Takes a string like ' -o Foo=1 -o Bar= " foo bar " ' and returns a
list [ ' -o ' , ' Foo=1 ' , ' -o ' , ' Bar=foo bar ' ] that can be added to
the argument list . The list will not contain any empty elements .
"""
return [ x . strip ( ) for x in shlex . split ( argstring ) if x . strip ( ) ]
def add_args ( self , explanation , args ) :
"""
Adds the given args to self . _command and displays a caller - supplied
explanation of why they were added .
"""
self . _command + = args
self . _display . vvvvv ( ' SSH: ' + explanation + ' : ( %s ) ' % ' )( ' . join ( args ) , host = self . _play_context . remote_addr )
Abhijit Menon-Sen
9 years ago
committed by