blob: b4d0251e999197432a22a487836ff2e7709d3932 [file] [log] [blame]
#!/usr/bin/env python
"""
Created on 24-Oct-2012
author:s: Anil Kumar ( anilkumar.s@paxterrasolutions.com ),
Raghav Kashyap( raghavkashyap@paxterrasolutions.com )
TestON is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 2 of the License, or
( at your option ) any later version.
TestON is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with TestON. If not, see <http://www.gnu.org/licenses/>.
"""
import pexpect
import struct
import fcntl
import os
import sys
import signal
import sys
import re
sys.path.append( "../" )
from drivers.component import Component
class CLI( Component ):
"""
This will define common functions for CLI included.
"""
def __init__( self ):
super( Component, self ).__init__()
def connect( self, **connectargs ):
"""
Connection will establish to the remote host using ssh.
It will take user_name ,ip_address and password as arguments<br>
and will return the handle.
"""
for key in connectargs:
vars( self )[ key ] = connectargs[ key ]
connect_result = super( CLI, self ).connect()
ssh_newkey = 'Are you sure you want to continue connecting'
refused = "ssh: connect to host " + \
self.ip_address + " port 22: Connection refused"
if self.port:
self.handle = pexpect.spawn(
'ssh -p ' +
self.port +
' ' +
self.user_name +
'@' +
self.ip_address,
env={ "TERM": "xterm-mono" },
maxread=50000 )
else:
self.handle = pexpect.spawn(
'ssh -X ' +
self.user_name +
'@' +
self.ip_address,
env={ "TERM": "xterm-mono" },
maxread=1000000,
timeout=60 )
self.handle.logfile = self.logfile_handler
i = 5
while i == 5:
i = self.handle.expect( [
ssh_newkey,
'password:|Password:',
pexpect.EOF,
pexpect.TIMEOUT,
refused,
'teston>',
'>|#|\$' ],
120 )
if i == 0: # Accept key, then expect either a password prompt or access
main.log.info( "ssh key confirmation received, send yes" )
self.handle.sendline( 'yes' )
i = 5 # Run the loop again
continue
if i == 1: # Password required
if self.pwd:
main.log.info(
"ssh connection asked for password, gave password" )
else:
main.log.info( "Server asked for password, but none was "
"given in the .topo file. Trying "
"no password.")
self.pwd = ""
self.handle.sendline( self.pwd )
j = self.handle.expect( [
'>|#|\$',
'password:|Password:',
pexpect.EOF,
pexpect.TIMEOUT ],
120 )
if j != 0:
main.log.error( "Incorrect Password" )
return main.FALSE
elif i == 2:
main.log.error( "Connection timeout" )
return main.FALSE
elif i == 3: # timeout
main.log.error(
"No route to the Host " +
self.user_name +
"@" +
self.ip_address )
return main.FALSE
elif i == 4:
main.log.error(
"ssh: connect to host " +
self.ip_address +
" port 22: Connection refused" )
return main.FALSE
elif i == 6:
main.log.info( "Password not required logged in" )
self.handle.sendline( "" )
self.handle.expect( '>|#|\$' )
return self.handle
def disconnect( self ):
result = super( CLI, self ).disconnect( self )
result = main.TRUE
# self.execute( cmd="exit",timeout=120,prompt="(.*)" )
def execute( self, **execparams ):
"""
It facilitates the command line execution of a given command. It has arguments as :
cmd => represents command to be executed,
prompt => represents expect command prompt or output,
timeout => timeout for command execution,
more => to provide a key press if it is on.
It will return output of command exection.
"""
result = super( CLI, self ).execute( self )
defaultPrompt = '.*[$>\#]'
args = utilities.parse_args( [
"CMD",
"TIMEOUT",
"PROMPT",
"MORE" ],
**execparams )
expectPrompt = args[ "PROMPT" ] if args[ "PROMPT" ] else defaultPrompt
self.LASTRSP = ""
timeoutVar = args[ "TIMEOUT" ] if args[ "TIMEOUT" ] else 10
cmd = ''
if args[ "CMD" ]:
cmd = args[ "CMD" ]
else:
return 0
if args[ "MORE" ] is None:
args[ "MORE" ] = " "
self.handle.sendline( cmd )
self.lastCommand = cmd
index = self.handle.expect( [
expectPrompt,
"--More--",
'Command not found.',
pexpect.TIMEOUT,
"^:$" ],
timeout=timeoutVar )
if index == 0:
self.LASTRSP = self.LASTRSP + \
self.handle.before + self.handle.after
main.log.info(
"Executed :" + str(
cmd ) + " \t\t Expected Prompt '" + str(
expectPrompt) + "' Found" )
elif index == 1:
self.LASTRSP = self.LASTRSP + self.handle.before
self.handle.send( args[ "MORE" ] )
main.log.info(
"Found More screen to go , Sending a key to proceed" )
indexMore = self.handle.expect(
[ "--More--", expectPrompt ], timeout=timeoutVar )
while indexMore == 0:
main.log.info(
"Found anoother More screen to go , Sending a key to proceed" )
self.handle.send( args[ "MORE" ] )
indexMore = self.handle.expect(
[ "--More--", expectPrompt ], timeout=timeoutVar )
self.LASTRSP = self.LASTRSP + self.handle.before
elif index == 2:
main.log.error( "Command not found" )
self.LASTRSP = self.LASTRSP + self.handle.before
elif index == 3:
main.log.error( "Expected Prompt not found , Time Out!!" )
main.log.error( expectPrompt )
return "Expected Prompt not found , Time Out!!"
elif index == 4:
self.LASTRSP = self.LASTRSP + self.handle.before
# self.handle.send( args[ "MORE" ] )
self.handle.sendcontrol( "D" )
main.log.info(
"Found More screen to go , Sending a key to proceed" )
indexMore = self.handle.expect(
[ "^:$", expectPrompt ], timeout=timeoutVar )
while indexMore == 0:
main.log.info(
"Found another More screen to go , Sending a key to proceed" )
self.handle.sendcontrol( "D" )
indexMore = self.handle.expect(
[ "^:$", expectPrompt ], timeout=timeoutVar )
self.LASTRSP = self.LASTRSP + self.handle.before
main.last_response = self.remove_contol_chars( self.LASTRSP )
return self.LASTRSP
def remove_contol_chars( self, response ):
# RE_XML_ILLEGAL = '([\u0000-\u0008\u000b-\u000c\u000e-\u001f\ufffe-\uffff])|([%s-%s][^%s-%s])|([^%s-%s][%s-%s])|([%s-%s]$)|(^[%s-%s])'%( unichr( 0xd800 ),unichr( 0xdbff ),unichr( 0xdc00 ),unichr( 0xdfff ),unichr( 0xd800 ),unichr( 0xdbff ),unichr( 0xdc00 ),unichr( 0xdfff ),unichr( 0xd800 ),unichr( 0xdbff ),unichr( 0xdc00 ),unichr( 0xdfff ) )
# response = re.sub( RE_XML_ILLEGAL, "\n", response )
response = re.sub( r"[\x01-\x1F\x7F]", "", response )
# response = re.sub( r"\[\d+\;1H", "\n", response )
response = re.sub( r"\[\d+\;\d+H", "", response )
return response
def runAsSudoUser( self, handle, pwd, default ):
i = handle.expect( [ ".ssword:*", default, pexpect.EOF ] )
if i == 0:
handle.sendline( pwd )
handle.sendline( "\r" )
if i == 1:
handle.expect( default )
if i == 2:
main.log.error( "Unable to run as Sudo user" )
return handle
def onfail( self ):
if 'onfail' in main.componentDictionary[ self.name ]:
commandList = main.componentDictionary[
self.name ][ 'onfail' ].split( "," )
for command in commandList:
response = self.execute(
cmd=command,
prompt="(.*)",
timeout=120 )
def secureCopy( self, user_name, ip_address, filepath, pwd, dst_path ):
# scp openflow@192.168.56.101:/home/openflow/sample
# /home/paxterra/Desktop/
"""
Connection will establish to the remote host using ssh.
It will take user_name ,ip_address and password as arguments<br>
and will return the handle.
"""
ssh_newkey = 'Are you sure you want to continue connecting'
refused = "ssh: connect to host " + \
ip_address + " port 22: Connection refused"
cmd = 'scp ' + str( user_name ) + '@' + str( ip_address ) + ':' + \
str( filepath ) + ' ' + str(dst_path )
main.log.info( "Sending: " + cmd )
self.handle = pexpect.spawn( cmd )
i = self.handle.expect( [
ssh_newkey,
'password:',
pexpect.EOF,
pexpect.TIMEOUT,
refused ],
120 )
if i == 0:
main.log.info( "ssh key confirmation received, send yes" )
self.handle.sendline( 'yes' )
i = self.handle.expect( [ ssh_newkey, 'password:', pexpect.EOF ] )
if i == 1:
main.log.info( "ssh connection asked for password, gave password" )
self.handle.sendline( pwd )
# self.handle.expect( user_name )
elif i == 2:
main.log.error( "Connection timeout" )
pass
elif i == 3: # timeout
main.log.error(
"No route to the Host " +
user_name +
"@" +
ip_address )
return main.FALSE
elif i == 4:
main.log.error(
"ssh: connect to host " +
ip_address +
" port 22: Connection refused" )
return main.FALSE
self.handle.sendline( "" )
self.handle.expect( "$" )
print self.handle.before
return self.handle