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junos.py
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junos.py
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# Copyright (C) 2007-2010 Samuel Abels.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2, as
# published by the Free Software Foundation.
#
# This program 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 this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
"""
A driver for devices running JunOS (by Juniper).
"""
import re
from Exscript.protocols.drivers.driver import Driver
# JunOS prompt examples:
# sab@DD-EA3>
#
# [edit]
# sab@DD-EA3>
#
# {backup}
# sab@DD-EA3>
#
# {backup}[edit]
# sab@DD-EA3>
#
# {backup}[edit interfaces]
# sab@DD-EA3>
#
# {master:3}
# pheller@sw3>
#
# {primary:node0}
# pheller@fw1>
#
_user_re = [re.compile(r'[\r\n]login: $')]
_password_re = [re.compile(r'[\r\n](Local )?[Pp]assword: ?$')]
_mb = r'(?:\{master(?::\d+)?\}|\{backup(?::\d+)?\})'
_ps = r'(?:\{primary:node\d+\}|\{secondary:node\d+\})'
_re_re = r'(?:'+ _mb + r'|' + _ps + r')'
_edit = r'(?:\[edit[^\]\r\n]*\])'
_prefix = r'(?:[\r\n]+' + _re_re + r'?' + _edit + r'?)'
_prompt = r'[\r\n]+[\w\-\.]+@[\-\w+\.:]+[%>#] $'
_prompt_re = [re.compile(_prefix + r'?' + _prompt)]
_error_re = [re.compile('^(unknown|invalid|error)', re.I)]
_junos_re = re.compile(r'\bjunos\b', re.I)
class JunOSDriver(Driver):
def __init__(self):
Driver.__init__(self, 'junos')
self.user_re = _user_re
self.password_re = _password_re
self.prompt_re = _prompt_re
self.error_re = _error_re
def check_head_for_os(self, string):
if _junos_re.search(string):
return 80
if _user_re[0].search(string):
return 35
return 0
def init_terminal(self, conn):
conn.execute('set cli screen-length 0')
conn.execute('set cli screen-width 0')
conn.execute('set cli terminal ansi')