mirror of
https://github.com/thegeeklab/ansible-later.git
synced 2024-11-15 01:30:40 +00:00
83 lines
2.7 KiB
Python
83 lines
2.7 KiB
Python
|
# (c) 2012, Michael DeHaan <michael.dehaan@gmail.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 os
|
||
|
|
import select
|
||
|
|
import shlex
|
||
|
|
import subprocess
|
||
|
|
import sys
|
||
|
|
|
||
|
|
from ansible.module_utils.six import PY2, PY3
|
||
|
|
from ansible.module_utils._text import to_bytes
|
||
|
|
|
||
|
|
|
||
|
|
def run_cmd(cmd, live=False, readsize=10):
|
||
|
|
|
||
|
|
# readsize = 10
|
||
|
|
|
||
|
|
# On python2, shlex needs byte strings
|
||
|
|
if PY2:
|
||
|
|
cmd = to_bytes(cmd, errors='surrogate_or_strict')
|
||
|
|
cmdargs = shlex.split(cmd)
|
||
|
|
|
||
|
|
# subprocess should be passed byte strings. (on python2.6 it must be
|
||
|
|
# passed byte strtings)
|
||
|
|
cmdargs = [to_bytes(a, errors='surrogate_or_strict') for a in cmdargs]
|
||
|
|
|
||
|
|
p = subprocess.Popen(cmdargs, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
|
||
|
|
|
||
|
|
stdout = b''
|
||
|
|
stderr = b''
|
||
|
|
rpipes = [p.stdout, p.stderr]
|
||
|
|
while True:
|
||
|
|
rfd, wfd, efd = select.select(rpipes, [], rpipes, 1)
|
||
|
|
|
||
|
|
if p.stdout in rfd:
|
||
|
|
dat = os.read(p.stdout.fileno(), readsize)
|
||
|
|
if live:
|
||
|
|
# On python3, stdout has a codec to go from text type to bytes
|
||
|
|
if PY3:
|
||
|
|
sys.stdout.buffer.write(dat)
|
||
|
|
else:
|
||
|
|
sys.stdout.write(dat)
|
||
|
|
stdout += dat
|
||
|
|
if dat == b'':
|
||
|
|
rpipes.remove(p.stdout)
|
||
|
|
if p.stderr in rfd:
|
||
|
|
dat = os.read(p.stderr.fileno(), readsize)
|
||
|
|
stderr += dat
|
||
|
|
if live:
|
||
|
|
# On python3, stdout has a codec to go from text type to bytes
|
||
|
|
if PY3:
|
||
|
|
sys.stdout.buffer.write(dat)
|
||
|
|
else:
|
||
|
|
sys.stdout.write(dat)
|
||
|
|
if dat == b'':
|
||
|
|
rpipes.remove(p.stderr)
|
||
|
|
# only break out if we've emptied the pipes, or there is nothing to
|
||
|
|
# read from and the process has finished.
|
||
|
|
if (not rpipes or not rfd) and p.poll() is not None:
|
||
|
|
break
|
||
|
|
# Calling wait while there are still pipes to read can cause a lock
|
||
|
|
elif not rpipes and p.poll() is None:
|
||
|
|
p.wait()
|
||
|
|
|
||
|
|
return p.returncode, stdout, stderr
|