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# (C) 2017 Red Hat Inc.
# Copyright (C) 2017 Lenovo.
#
# GNU General Public License v3.0+
#
# 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.
#
# (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
#
# Contains terminal Plugin methods for CNOS Config Module
# Lenovo Networking
#
from __future__ import (absolute_import, division, print_function)
__metaclass__ = type
import json
import re
from ansible.errors import AnsibleConnectionFailure
from ansible.module_utils._text import to_text, to_bytes
from ansible.plugins.terminal import TerminalBase
class TerminalModule(TerminalBase):
terminal_stdout_re = [
re.compile(br"[\r\n]?[\w+\-\.:\/\[\]]+(?:\([^\)]+\)){,3}(?:>|#) ?$"),
re.compile(br"\[\w+\@[\w\-\.]+(?: [^\]])\] ?[>#\$] ?$"),
re.compile(br">[\r\n]?")
]
terminal_stderr_re = [
re.compile(br"% ?Error"),
re.compile(br"% ?Bad secret"),
re.compile(br"invalid input", re.I),
re.compile(br"(?:incomplete|ambiguous) command", re.I),
re.compile(br"connection timed out", re.I),
re.compile(br"[^\r\n]+ not found"),
re.compile(br"'[^']' +returned error code: ?\d+"),
]
def on_open_shell(self):
try:
for cmd in (b'\n', b'terminal length 0\n'):
self._exec_cli_command(cmd)
except AnsibleConnectionFailure:
raise AnsibleConnectionFailure('unable to set terminal parameters')
def on_become(self, passwd=None):
if self._get_prompt().endswith(b'#'):
return
cmd = {u'command': u'enable'}
if passwd:
# Note: python-3.5 cannot combine u"" and r"" together. Thus make
# an r string and use to_text to ensure it's text
# on both py2 and py3.
cmd[u'prompt'] = to_text(r"[\r\n]?password: $",
errors='surrogate_or_strict')
cmd[u'answer'] = passwd
try:
self._exec_cli_command(to_bytes(json.dumps(cmd),
errors='surrogate_or_strict'))
except AnsibleConnectionFailure:
msg = 'unable to elevate privilege to enable mode'
raise AnsibleConnectionFailure(msg)
def on_unbecome(self):
prompt = self._get_prompt()
if prompt is None:
# if prompt is None most likely the terminal is hung up at a prompt
return
if b'(config' in prompt:
self._exec_cli_command(b'end')
self._exec_cli_command(b'disable')
elif prompt.endswith(b'#'):
self._exec_cli_command(b'disable')
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