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116 lines
4.3 KiB
Python
116 lines
4.3 KiB
Python
#
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# (c) 2016 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 re
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import json
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from ansible.plugins.terminal import TerminalBase
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from ansible.errors import AnsibleConnectionFailure
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from ansible.module_utils._text import to_bytes, to_text
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class TerminalModule(TerminalBase):
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terminal_stdout_re = [
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re.compile(br'[\r\n](?!\s*<)?(\x1b\S+)*[a-zA-Z_0-9]{1}[a-zA-Z0-9-_.]*[>|#](?:\s*)(\x1b\S+)*$'),
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re.compile(br'[\r\n]?[a-zA-Z0-9]{1}[a-zA-Z0-9-_.]*\(.+\)#(?:\s*)$')
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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"^error:(.*)", re.I),
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re.compile(br"^% \w+", re.M),
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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", re.I),
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re.compile(br"'[^']' +returned error code: ?\d+"),
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re.compile(br"syntax error"),
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re.compile(br"unknown command"),
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re.compile(br"user not present"),
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re.compile(br"invalid (.+?)at '\^' marker", re.I),
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re.compile(br"[B|b]aud rate of console should be.* (\d*) to increase [a-z]* level", re.I),
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]
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def on_become(self, passwd=None):
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if self._get_prompt().endswith(b'enable#'):
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return
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out = self._exec_cli_command('show privilege')
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out = to_text(out, errors='surrogate_then_replace').strip()
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if 'Disabled' in out:
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raise AnsibleConnectionFailure('Feature privilege is not enabled')
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# if already at privilege level 15 return
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if '15' in out:
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return
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if self.validate_user_role():
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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"(?i)[\r\n]?Password: $", errors='surrogate_or_strict')
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cmd[u'answer'] = passwd
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cmd[u'prompt_retry_check'] = True
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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.strip().endswith(b'enable#'):
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raise AnsibleConnectionFailure('failed to elevate privilege to enable mode still at prompt [%s]' % prompt)
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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('end')
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self._exec_cli_command('exit')
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elif prompt.endswith(b'enable#'):
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self._exec_cli_command('exit')
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def on_open_shell(self):
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try:
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for cmd in ('terminal length 0', 'terminal width 511'):
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self._exec_cli_command(cmd)
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except AnsibleConnectionFailure:
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raise AnsibleConnectionFailure('unable to set terminal parameters')
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def validate_user_role(self):
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user = self._connection._play_context.remote_user
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out = self._exec_cli_command('show user-account %s' % user)
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out = to_text(out, errors='surrogate_then_replace').strip()
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match = re.search(r'roles:(.+)$', out, re.M)
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if match:
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roles = match.group(1).split()
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if 'network-admin' in roles:
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return True
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return False
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