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87 lines
3.1 KiB
Python
87 lines
3.1 KiB
Python
#
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# (c) 2018 Red Hat Inc.
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#
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# This file is part of Ansible
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#
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# Ansible is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# Ansible is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with Ansible. If not, see <http://www.gnu.org/licenses/>.
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#
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from __future__ import (absolute_import, division, print_function)
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__metaclass__ = type
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import json
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import re
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from ansible.errors import AnsibleConnectionFailure
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from ansible.module_utils._text import to_text, to_bytes
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from ansible.plugins.terminal import TerminalBase
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class TerminalModule(TerminalBase):
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terminal_stdout_re = [
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re.compile(br"\(([^\(\)]+)\) [>#]$"),
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re.compile(br"\(([^\(\)]+)\) \(([^\(\)]+)\)#$")
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]
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terminal_stderr_re = [
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re.compile(br"% ?Error"),
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re.compile(br"% ?Bad secret"),
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re.compile(br"invalid input", re.I),
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re.compile(br"(?:incomplete|ambiguous) command", re.I),
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re.compile(br"connection timed out", re.I),
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re.compile(br"[^\r\n]+ not found"),
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re.compile(br"'[^']' +returned error code: ?\d+"),
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re.compile(br"An invalid")
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]
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def on_open_shell(self):
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return
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def on_become(self, passwd=None):
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prompt = self._get_prompt()
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if prompt and prompt.endswith(b'#'):
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return
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cmd = {u'command': u'enable'}
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if passwd:
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cmd[u'prompt'] = to_text(r"[\r\n]?[Pp]assword: ?$", errors='surrogate_or_strict')
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cmd[u'answer'] = passwd
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try:
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self._exec_cli_command(to_bytes(json.dumps(cmd), errors='surrogate_or_strict'))
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prompt = self._get_prompt()
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if prompt is None or not prompt.endswith(b'#'):
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raise AnsibleConnectionFailure('failed to elevate privilege to enable mode still at prompt [%s]' % prompt)
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cmd = {u'command': u'terminal length 0'}
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self._exec_cli_command(to_bytes(json.dumps(cmd), errors='surrogate_or_strict'))
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prompt = self._get_prompt()
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if prompt is None or not prompt.endswith(b'#'):
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raise AnsibleConnectionFailure('failed to setup terminal in enable mode')
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except AnsibleConnectionFailure as e:
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prompt = self._get_prompt()
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raise AnsibleConnectionFailure('unable to elevate privilege to enable mode, at prompt [%s] with error: %s' % (prompt, e.message))
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def on_unbecome(self):
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prompt = self._get_prompt()
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if prompt is None:
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# if prompt is None most likely the terminal is hung up at a prompt
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return
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if b'(Config' in prompt:
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self._exec_cli_command(b'end')
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self._exec_cli_command(b'exit')
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elif prompt.endswith(b'#'):
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self._exec_cli_command(b'exit')
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