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# (c) 2012, Michael DeHaan <michael.dehaan@gmail.com>
# (c) 2015 Toshio Kuratomi <tkuratomi@ansible.com>
#
# 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 traceback
import os
import shutil
import subprocess
import select
import fcntl
import ansible.constants as C
from ansible.errors import AnsibleError, AnsibleFileNotFound
from ansible.plugins.connection import ConnectionBase
class Connection(ConnectionBase):
''' Local based connections '''
@property
def transport(self):
''' used to identify this connection object '''
return 'local'
def _connect(self, port=None):
''' connect to the local host; nothing to do here '''
if not self._connected:
self._display.vvv("ESTABLISH LOCAL CONNECTION FOR USER: {0}".format(self._play_context.remote_user, host=self._play_context.remote_addr))
self._connected = True
return self
def exec_command(self, cmd, tmp_path, in_data=None, sudoable=True):
''' run a command on the local host '''
super(Connection, self).exec_command(cmd, tmp_path, in_data=in_data, sudoable=sudoable)
self._display.debug("in local.exec_command()")
if in_data:
raise AnsibleError("Internal Error: this module does not support optimized module pipelining")
executable = C.DEFAULT_EXECUTABLE.split()[0] if C.DEFAULT_EXECUTABLE else None
self._display.vvv("{0} EXEC {1}".format(self._play_context.remote_addr, cmd))
# FIXME: cwd= needs to be set to the basedir of the playbook
self._display.debug("opening command with Popen()")
p = subprocess.Popen(
cmd,
shell=isinstance(cmd, basestring),
executable=executable, #cwd=...
stdin=subprocess.PIPE,
stdout=subprocess.PIPE,
stderr=subprocess.PIPE,
)
self._display.debug("done running command with Popen()")
if self._play_context.prompt and sudoable:
fcntl.fcntl(p.stdout, fcntl.F_SETFL, fcntl.fcntl(p.stdout, fcntl.F_GETFL) | os.O_NONBLOCK)
fcntl.fcntl(p.stderr, fcntl.F_SETFL, fcntl.fcntl(p.stderr, fcntl.F_GETFL) | os.O_NONBLOCK)
become_output = ''
while not self.check_become_success(become_output) and not self.check_password_prompt(become_output):
rfd, wfd, efd = select.select([p.stdout, p.stderr], [], [p.stdout, p.stderr], self._play_context.timeout)
if p.stdout in rfd:
chunk = p.stdout.read()
elif p.stderr in rfd:
chunk = p.stderr.read()
else:
stdout, stderr = p.communicate()
raise AnsibleError('timeout waiting for privilege escalation password prompt:\n' + become_output)
if not chunk:
stdout, stderr = p.communicate()
raise AnsibleError('privilege output closed while waiting for password prompt:\n' + become_output)
become_output += chunk
if not self.check_become_success(become_output):
p.stdin.write(self._play_context.become_pass + '\n')
fcntl.fcntl(p.stdout, fcntl.F_SETFL, fcntl.fcntl(p.stdout, fcntl.F_GETFL) & ~os.O_NONBLOCK)
fcntl.fcntl(p.stderr, fcntl.F_SETFL, fcntl.fcntl(p.stderr, fcntl.F_GETFL) & ~os.O_NONBLOCK)
self._display.debug("getting output with communicate()")
stdout, stderr = p.communicate()
self._display.debug("done communicating")
self._display.debug("done with local.exec_command()")
return (p.returncode, stdout, stderr)
def put_file(self, in_path, out_path):
''' transfer a file from local to local '''
super(Connection, self).put_file(in_path, out_path)
self._display.vvv("{0} PUT {1} TO {2}".format(self._play_context.remote_addr, in_path, out_path))
if not os.path.exists(in_path):
raise AnsibleFileNotFound("file or module does not exist: {0}".format(in_path))
try:
shutil.copyfile(in_path, out_path)
except shutil.Error:
raise AnsibleError("failed to copy: {0} and {1} are the same".format(in_path, out_path))
except IOError as e:
raise AnsibleError("failed to transfer file to {0}: {1}".format(out_path, e))
def fetch_file(self, in_path, out_path):
''' fetch a file from local to local -- for copatibility '''
super(Connection, self).fetch_file(in_path, out_path)
self._display.vvv("{0} FETCH {1} TO {2}".format(self._play_context.remote_addr, in_path, out_path))
self.put_file(in_path, out_path)
def close(self):
''' terminate the connection; nothing to do here '''
self._connected = False
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