diff --git a/lib/ansible/plugins/terminal/enos.py b/lib/ansible/plugins/terminal/enos.py new file mode 100644 index 0000000000..cb08f72270 --- /dev/null +++ b/lib/ansible/plugins/terminal/enos.py @@ -0,0 +1,101 @@ +# This code is part of Ansible, but is an independent component. +# This particular file snippet, and this file snippet only, is BSD licensed. +# Modules you write using this snippet, which is embedded dynamically by +# Ansible still belong to the author of the module, and may assign their own +# license to the complete work. +# +# Copyright (C) 2018 Lenovo, Inc. +# All rights reserved. +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions are met: +# +# * Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# * Redistributions in binary form must reproduce the above copyright notice, +# this list of conditions and the following disclaimer in the documentation +# and/or other materials provided with the distribution. +# +# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" +# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE +# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE +# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE +# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR +# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF +# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS +# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN +# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) +# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE +# POSSIBILITY OF SUCH DAMAGE. +# +# Contains Terminal Plugin methods for ENOS Modules +# 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_authorize(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_deauthorize(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')