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community.general/plugins/terminal/edgeswitch.py

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2020-03-09 10:11:07 +01:00
#
# (c) 2018 Red Hat Inc.
#
# This file is part of Ansible
#
# Ansible 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 3 of the License, or
# (at your option) any later version.
#
# Ansible 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 Ansible. If not, see <http://www.gnu.org/licenses/>.
#
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"\(([^\(\)]+)\) [>#]$"),
re.compile(br"\(([^\(\)]+)\) \(([^\(\)]+)\)#$")
]
terminal_stderr_re = [
re.compile(br"% ?Error"),
re.compile(br"% ?Bad secret"),
re.compile(br"invalid input", re.I),
re.compile(br"(?:incomplete|ambiguous) command", re.I),
re.compile(br"connection timed out", re.I),
re.compile(br"[^\r\n]+ not found"),
re.compile(br"'[^']' +returned error code: ?\d+"),
re.compile(br"An invalid")
]
def on_open_shell(self):
return
def on_become(self, passwd=None):
prompt = self._get_prompt()
if prompt and prompt.endswith(b'#'):
return
cmd = {u'command': u'enable'}
if passwd:
cmd[u'prompt'] = to_text(r"[\r\n]?[Pp]assword: ?$", errors='surrogate_or_strict')
cmd[u'answer'] = passwd
try:
self._exec_cli_command(to_bytes(json.dumps(cmd), errors='surrogate_or_strict'))
prompt = self._get_prompt()
if prompt is None or not prompt.endswith(b'#'):
raise AnsibleConnectionFailure('failed to elevate privilege to enable mode still at prompt [%s]' % prompt)
cmd = {u'command': u'terminal length 0'}
self._exec_cli_command(to_bytes(json.dumps(cmd), errors='surrogate_or_strict'))
prompt = self._get_prompt()
if prompt is None or not prompt.endswith(b'#'):
raise AnsibleConnectionFailure('failed to setup terminal in enable mode')
except AnsibleConnectionFailure as e:
prompt = self._get_prompt()
raise AnsibleConnectionFailure('unable to elevate privilege to enable mode, at prompt [%s] with error: %s' % (prompt, e.message))
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'exit')
elif prompt.endswith(b'#'):
self._exec_cli_command(b'exit')