community.general/v2/ansible/plugins/connections/local.py

133 lines
5.6 KiB
Python

# (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
from ansible.errors import AnsibleError, AnsibleFileNotFound
from ansible.plugins.connections import ConnectionBase
from ansible.utils.debug import debug
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._connection_info.remote_user, host=self._connection_info.remote_addr))
self._connected = True
return self
def exec_command(self, cmd, tmp_path, executable='/bin/sh', in_data=None):
''' run a command on the local host '''
debug("in local.exec_command()")
# su requires to be run from a terminal, and therefore isn't supported here (yet?)
#if self._connection_info.su:
# raise AnsibleError("Internal Error: this module does not support running commands via su")
if in_data:
raise AnsibleError("Internal Error: this module does not support optimized module pipelining")
executable = executable.split()[0] if executable else None
self._display.vvv("{0} EXEC {1}".format(self._connection_info.remote_addr, cmd))
# FIXME: cwd= needs to be set to the basedir of the playbook
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,
)
debug("done running command with Popen()")
# FIXME: more su/sudo stuff
#if self.runner.sudo and sudoable and self.runner.sudo_pass:
# 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)
# sudo_output = ''
# while not sudo_output.endswith(prompt) and success_key not in sudo_output:
# rfd, wfd, efd = select.select([p.stdout, p.stderr], [],
# [p.stdout, p.stderr], self.runner.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 sudo password prompt:\n' + sudo_output)
# if not chunk:
# stdout, stderr = p.communicate()
# raise AnsibleError('sudo output closed while waiting for password prompt:\n' + sudo_output)
# sudo_output += chunk
# if success_key not in sudo_output:
# p.stdin.write(self.runner.sudo_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)
debug("getting output with communicate()")
stdout, stderr = p.communicate()
debug("done communicating")
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 '''
#vvv("PUT {0} TO {1}".format(in_path, out_path), host=self.host)
self._display.vvv("{0} PUT {1} TO {2}".format(self._connection_info.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:
traceback.print_exc()
raise AnsibleError("failed to copy: {0} and {1} are the same".format(in_path, out_path))
except IOError:
traceback.print_exc()
raise AnsibleError("failed to transfer file to {0}".format(out_path))
def fetch_file(self, in_path, out_path):
''' fetch a file from local to local -- for copatibility '''
#vvv("FETCH {0} TO {1}".format(in_path, out_path), host=self.host)
self._display.vvv("{0} FETCH {1} TO {2}".format(self._connection_info.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