100 lines
3.2 KiB
Python
100 lines
3.2 KiB
Python
# (c) 2017 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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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 os
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import pty
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import subprocess
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from ansible.module_utils._text import to_bytes, to_text
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from ansible.module_utils.six.moves import cPickle
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from ansible.plugins.connection import ConnectionBase
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try:
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from __main__ import display
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except ImportError:
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from ansible.utils.display import Display
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display = Display()
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class Connection(ConnectionBase):
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''' Local based connections '''
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transport = 'persistent'
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has_pipelining = False
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def _connect(self):
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self._connected = True
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return self
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def _do_it(self, action):
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master, slave = pty.openpty()
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p = subprocess.Popen(["ansible-connection"], stdin=slave, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
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stdin = os.fdopen(master, 'wb', 0)
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os.close(slave)
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# Need to force a protocol that is compatible with both py2 and py3.
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# That would be protocol=2 or less.
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# Also need to force a protocol that excludes certain control chars as
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# stdin in this case is a pty and control chars will cause problems.
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# that means only protocol=0 will work.
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src = cPickle.dumps(self._play_context.serialize(), protocol=0)
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stdin.write(src)
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stdin.write(b'\n#END_INIT#\n')
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stdin.write(to_bytes(action))
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stdin.write(b'\n\n')
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(stdout, stderr) = p.communicate()
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stdin.close()
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return (p.returncode, stdout, stderr)
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def exec_command(self, cmd, in_data=None, sudoable=True):
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super(Connection, self).exec_command(cmd, in_data=in_data, sudoable=sudoable)
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return self._do_it('EXEC: ' + cmd)
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def put_file(self, in_path, out_path):
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super(Connection, self).put_file(in_path, out_path)
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self._do_it('PUT: %s %s' % (in_path, out_path))
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def fetch_file(self, in_path, out_path):
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super(Connection, self).fetch_file(in_path, out_path)
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self._do_it('FETCH: %s %s' % (in_path, out_path))
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def close(self):
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self._connected = False
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def run(self):
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"""Returns the path of the persistent connection socket.
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Attempts to ensure (within playcontext.timeout seconds) that the
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socket path exists. If the path exists (or the timeout has expired),
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returns the socket path.
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"""
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socket_path = None
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rc, out, err = self._do_it('RUN:')
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match = re.search(br"#SOCKET_PATH#: (\S+)", out)
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if match:
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socket_path = to_text(match.group(1).strip(), errors='surrogate_or_strict')
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return socket_path
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