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community.general/lib/ansible/plugins/action/win_reboot.py
Dag Wieers 513b582ba3 win_reboot: Use more conforming parameter names (#26466)
This is part of the effort to make windows parameters conform to
other modules. Usually parameters don't include the unit in the
parameter name.

See also #20160
2017-08-29 19:08:12 -07:00

175 lines
6.6 KiB
Python

# (c) 2016, Matt Davis <mdavis@ansible.com>
# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
from __future__ import (absolute_import, division, print_function)
__metaclass__ = type
import socket
import time
from datetime import datetime, timedelta
from ansible.plugins.action import ActionBase
try:
from __main__ import display
except ImportError:
from ansible.utils.display import Display
display = Display()
class TimedOutException(Exception):
pass
class ActionModule(ActionBase):
TRANSFERS_FILES = False
DEFAULT_SHUTDOWN_TIMEOUT = 600
DEFAULT_REBOOT_TIMEOUT = 600
DEFAULT_CONNECT_TIMEOUT = 5
DEFAULT_PRE_REBOOT_DELAY = 2
DEFAULT_POST_REBOOT_DELAY = 0
DEFAULT_TEST_COMMAND = 'whoami'
DEFAULT_REBOOT_MESSAGE = 'Reboot initiated by Ansible.'
def do_until_success_or_timeout(self, what, timeout, what_desc, fail_sleep=1):
max_end_time = datetime.utcnow() + timedelta(seconds=timeout)
e = None
while datetime.utcnow() < max_end_time:
try:
what()
if what_desc:
display.debug("win_reboot: %s success" % what_desc)
return
except Exception as e:
if what_desc:
display.debug("win_reboot: %s fail (expected), retrying in %d seconds..." % (what_desc, fail_sleep))
time.sleep(fail_sleep)
raise TimedOutException("timed out waiting for %s: %s" % (what_desc, e))
def run(self, tmp=None, task_vars=None):
self._supports_check_mode = True
self._supports_async = True
if self._play_context.check_mode:
return dict(changed=True, elapsed=0, rebooted=True)
if task_vars is None:
task_vars = dict()
result = super(ActionModule, self).run(tmp, task_vars)
if result.get('skipped', False) or result.get('failed', False):
return result
winrm_host = self._connection._winrm_host
winrm_port = self._connection._winrm_port
# Handle timeout parameters and its alias
if self._task.args.get('shutdown_timeout') is not None:
shutdown_timeout = int(self._task.args.get('shutdown_timeout', self.DEFAULT_SHUTDOWN_TIMEOUT))
else:
shutdown_timeout = int(self._task.args.get('shutdown_timeout_sec', self.DEFAULT_SHUTDOWN_TIMEOUT))
if self._task.args.get('reboot_timeout') is not None:
reboot_timeout = int(self._task.args.get('reboot_timeout', self.DEFAULT_REBOOT_TIMEOUT))
else:
reboot_timeout = int(self._task.args.get('reboot_timeout_sec', self.DEFAULT_REBOOT_TIMEOUT))
if self._task.args.get('connect_timeout') is not None:
connect_timeout = int(self._task.args.get('connect_timeout', self.DEFAULT_CONNECT_TIMEOUT))
else:
connect_timeout = int(self._task.args.get('connect_timeout_sec', self.DEFAULT_CONNECT_TIMEOUT))
if self._task.args.get('pre_reboot_delay') is not None:
pre_reboot_delay = int(self._task.args.get('pre_reboot_delay', self.DEFAULT_PRE_REBOOT_DELAY))
else:
pre_reboot_delay = int(self._task.args.get('pre_reboot_delay_sec', self.DEFAULT_PRE_REBOOT_DELAY))
if self._task.args.get('post_reboot_delay') is not None:
post_reboot_delay = int(self._task.args.get('post_reboot_delay', self.DEFAULT_POST_REBOOT_DELAY))
else:
post_reboot_delay = int(self._task.args.get('post_reboot_delay_sec', self.DEFAULT_POST_REBOOT_DELAY))
test_command = str(self._task.args.get('test_command', self.DEFAULT_TEST_COMMAND))
msg = str(self._task.args.get('msg', self.DEFAULT_REBOOT_MESSAGE))
# Initiate reboot
(rc, stdout, stderr) = self._connection.exec_command('shutdown /r /t %d /c "%s"' % (pre_reboot_delay, msg))
# Test for "A system shutdown has already been scheduled. (1190)" and handle it gracefully
if rc == 1190:
display.warning('A scheduled reboot was pre-empted by Ansible.')
# Try to abort (this may fail if it was already aborted)
(rc, stdout1, stderr1) = self._connection.exec_command('shutdown /a')
# Initiate reboot again
(rc, stdout2, stderr2) = self._connection.exec_command('shutdown /r /t %d' % pre_reboot_delay)
stdout += stdout1 + stdout2
stderr += stderr1 + stderr2
if rc != 0:
result['failed'] = True
result['rebooted'] = False
result['msg'] = "Shutdown command failed, error text was %s" % stderr
return result
def raise_if_port_open():
try:
sock = socket.create_connection((winrm_host, winrm_port), connect_timeout)
sock.close()
except:
return False
raise Exception("port is open")
start = datetime.now()
try:
self.do_until_success_or_timeout(raise_if_port_open, shutdown_timeout, what_desc="winrm port down")
def connect_winrm_port():
sock = socket.create_connection((winrm_host, winrm_port), connect_timeout)
sock.close()
self.do_until_success_or_timeout(connect_winrm_port, reboot_timeout, what_desc="winrm port up")
def run_test_command():
display.vvv("attempting post-reboot test command '%s'" % test_command)
# call connection reset between runs if it's there
try:
self._connection._reset()
except AttributeError:
pass
(rc, stdout, stderr) = self._connection.exec_command(test_command)
if rc != 0:
raise Exception('test command failed')
# FUTURE: ensure that a reboot has actually occurred by watching for change in last boot time fact
# FUTURE: add a stability check (system must remain up for N seconds) to deal with self-multi-reboot updates
self.do_until_success_or_timeout(run_test_command, reboot_timeout, what_desc="post-reboot test command success")
result['rebooted'] = True
result['changed'] = True
except TimedOutException as toex:
result['failed'] = True
result['rebooted'] = True
result['msg'] = toex.message
if post_reboot_delay != 0:
display.vvv("win_reboot: waiting an additional %d seconds" % post_reboot_delay)
time.sleep(post_reboot_delay)
elapsed = datetime.now() - start
result['elapsed'] = elapsed.seconds
return result