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Code Releases Activity

Add reboot action plugin (#35205)

Browse source 
* Update docs

* Add reboot action plugin

Refactor win_reboot so it is subclassed from reboot

* Use new connection methods

* Test fixes

* Use better uptime command for Linux

Use who -b to get the last time the system was booted rather than uptime, which changes every second.

* Use distribution specefic commands and flags

Query the managed node to determien its distribution, then set the appropriate command and flags.

* Tune debug messages a bit

* Update module docs with details about pre_reboot_delay

s docs

* Ensure that post_reboot_delay is a positive number

* Remove the stringification

* Add integration tests

* Make sure aliases are honored

* Handle systems that have an incorrect last boot time

SystemD and fakehw-clock do not properly set the
last boot time and instead always set it to epoch.
Use a different command if that is the case.

* Copyright and encoding fixes

* Minor fixes based on feedback

* Add exponential backoff to sucess check method

* Update integration test

Skip the integration test if it would try to reboot the control node. We need a new mechanism to account for this scenario in ansible-test, so tests must currently be run manually for this plugin.

* Update integration test

Skip the integration test if it would try to reboot the control node. We need a new mechanism to account for this scenario in ansible-test, so tests must currently be run manually for this plugin.

* Fail early with running with local connection

* Update docs based on feedback

* minor refactoring, state mgmt changes
This commit is contained in:
Sam Doran 2018-08-23 21:12:12 -04:00 committed by Matt Davis
parent 60e3af42d5
commit 4d9218cec4
5 changed files with 459 additions and 175 deletions
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81
lib/ansible/modules/system/reboot.py Normal file
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@ -0,0 +1,81 @@
#!/usr/bin/python
# -*- coding: utf-8 -*-
# Copyright: (c) 2018, Ansible Project
# 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
ANSIBLE_METADATA = {'metadata_version': '1.1',
'status': ['preview'],
'supported_by': 'core'}
DOCUMENTATION = r'''
module: reboot
short_description: Reboot a machine
description:
- Reboot a machine, wait for it to go down, come back up, and respond to commands.
version_added: "2.7"
options:
pre_reboot_delay:
description:
- Seconds for shutdown to wait before requesting reboot.
- On Linux and macOS, this is converted to minutes and rounded down. If less than 60, it will be set to 0.
- On Solaris and FreeBSD, this will be seconds.
default: 0
type: int
post_reboot_delay:
description:
- Seconds to wait after the reboot was successful and the connection was re-established.
- This is useful if you want wait for something to settle despite your connection already working.
default: 0
type: int
reboot_timeout:
description:
- Maximum seconds to wait for machine to reboot and respond to a test command.
- This timeout is evaluated separately for both network connection and test command success so the
maximum execution time for the module is twice this amount.
default: 600
type: int
connect_timeout:
description:
- Maximum seconds to wait for a successful connection to the managed hosts before trying again.
- If unspecified, the default setting for the underlying connection plugin is used.
type: int
test_command:
description:
- Command to run on the rebooted host and expect success from to determine the machine is ready for
further tasks.
default: whoami
type: str
msg:
description:
- Message to display to users before reboot.
default: Reboot initiated by Ansible
type: str
author:
- Matt Davis (@nitzmahone)
- Sam Doran (@samdoran)
'''
EXAMPLES = r'''
# Unconditionally reboot the machine with all defaults
- reboot:
# Reboot a slow machine that might have lots of updates to apply
- reboot:
reboot_timeout: 3600
'''
RETURN = r'''
rebooted:
description: true if the machine was rebooted
returned: always
type: boolean
sample: true
elapsed:
description: The number of seconds that elapsed waiting for the system to be rebooted.
returned: always
type: int
sample: 23
'''

287
lib/ansible/plugins/action/reboot.py Normal file
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# (c) 2016-2018, Matt Davis <mdavis@ansible.com>
# (c) 2018, Sam Doran <sdoran@redhat.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 random
import time
from datetime import datetime, timedelta
from ansible.errors import AnsibleError
from ansible.plugins.action import ActionBase
from ansible.module_utils._text import to_native, to_text
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_REBOOT_TIMEOUT = 600
DEFAULT_CONNECT_TIMEOUT = None
DEFAULT_PRE_REBOOT_DELAY = 0
DEFAULT_POST_REBOOT_DELAY = 0
DEFAULT_TEST_COMMAND = 'whoami'
DEFAULT_BOOT_TIME_COMMAND = 'who -b'
DEFAULT_REBOOT_MESSAGE = 'Reboot initiated by Ansible'
DEFAULT_SHUTDOWN_COMMAND = 'shutdown'
DEFAULT_SUDOABLE = True
DEPRECATED_ARGS = {}
SHUTDOWN_COMMANDS = {
'linux': DEFAULT_SHUTDOWN_COMMAND,
'freebsd': DEFAULT_SHUTDOWN_COMMAND,
'sunos': '/usr/sbin/shutdown',
'darwin': '/sbin/shutdown',
}
SHUTDOWN_COMMAND_ARGS = {
'linux': '-r {delay_min} "{message}"',
'freebsd': '-r +{delay_sec}s "{message}"',
'sunos': '-y -g {delay_sec} -r "{message}"',
'darwin': '-r +{delay_min_macos} "{message}"'
}
def __init__(self, *args, **kwargs):
super(ActionModule, self).__init__(*args, **kwargs)
self._original_connection_timeout = None
self._previous_boot_time = None
def deprecated_args(self):
for arg, version in self.DEPRECATED_ARGS.items():
if self._task.args.get(arg) is not None:
display.warning("Since Ansible %s, %s is no longer a valid option for %s" % (version, arg, self._task.action))
def construct_command(self):
# Determine the system distribution in order to use the correct shutdown command arguments
uname_result = self._low_level_execute_command('uname')
distribution = uname_result['stdout'].strip().lower()
shutdown_command = self.SHUTDOWN_COMMANDS.get(distribution, self.SHUTDOWN_COMMAND_ARGS['linux'])
shutdown_command_args = self.SHUTDOWN_COMMAND_ARGS.get(distribution, self.SHUTDOWN_COMMAND_ARGS['linux'])
pre_reboot_delay = int(self._task.args.get('pre_reboot_delay', self.DEFAULT_PRE_REBOOT_DELAY))
if pre_reboot_delay < 0:
pre_reboot_delay = 0
# Convert seconds to minutes for Linux. If less that 60, set it to 0 except for macOS which will
# sever the connection too quickly if set to 0, so set that to 1.
# We could simplify this by setting them both to 1, but I think of all the time that
# people will lose waiting for that extra 1 minute delay and want to give them their
# lives back.
delay_min = pre_reboot_delay // 60
delay_min_macos = delay_min | 1
msg = self._task.args.get('msg', self.DEFAULT_REBOOT_MESSAGE)
shutdown_command_args = shutdown_command_args.format(delay_sec=pre_reboot_delay, delay_min=delay_min, delay_min_macos=delay_min_macos, message=msg)
reboot_command = '%s %s' % (shutdown_command, shutdown_command_args)
return reboot_command
def get_system_boot_time(self):
command_result = self._low_level_execute_command(self.DEFAULT_BOOT_TIME_COMMAND, sudoable=self.DEFAULT_SUDOABLE)
# For single board computers, e.g., Raspberry Pi, that lack a real time clock and are using fake-hwclock
# launched by systemd, the update of utmp/wtmp is not done correctly.
# Fall back to using uptime -s for those systems.
# https://github.com/systemd/systemd/issues/6057
if '1970-01-01 00:00' in command_result['stdout']:
command_result = self._low_level_execute_command('uptime -s', sudoable=self.DEFAULT_SUDOABLE)
if command_result['rc'] != 0:
raise AnsibleError("%s: failed to get host boot time info, rc: %d, stdout: %s, stderr: %s"
% (self._task.action, command_result.rc, to_native(command_result['stdout']), to_native(command_result['stderr'])))
return command_result['stdout'].strip()
def check_boot_time(self):
display.vvv("%s: attempting to get system boot time" % self._task.action)
connect_timeout = self._task.args.get('connect_timeout', self._task.args.get('connect_timeout_sec', self.DEFAULT_CONNECT_TIMEOUT))
# override connection timeout from defaults to custom value
if connect_timeout:
try:
self._connection.set_option("connection_timeout", connect_timeout)
self._connection.reset()
except AttributeError:
display.warning("Connection plugin does not allow the connection timeout to be overridden")
# try and get boot time
try:
current_boot_time = self.get_system_boot_time()
except Exception as e:
raise e
# FreeBSD returns an empty string immediately before reboot so adding a length
# check to prevent prematurely assuming system has rebooted
if len(current_boot_time) == 0 or current_boot_time == self._previous_boot_time:
raise Exception("boot time has not changed")
def run_test_command(self, **kwargs):
test_command = self._task.args.get('test_command', self.DEFAULT_TEST_COMMAND)
display.vvv("%s: attempting post-reboot test command '%s'" % (self._task.action, test_command))
command_result = self._low_level_execute_command(test_command, sudoable=self.DEFAULT_SUDOABLE)
result = {}
if command_result['rc'] != 0:
result['failed'] = True
result['msg'] = 'test command failed: %s %s' % (to_native(command_result['stderr'], to_native(command_result['stdout'])))
else:
result['msg'] = to_native(command_result['stdout'])
return result
def do_until_success_or_timeout(self, action, reboot_timeout, action_desc):
max_end_time = datetime.utcnow() + timedelta(seconds=reboot_timeout)
fail_count = 0
max_fail_sleep = 12
while datetime.utcnow() < max_end_time:
try:
action()
if action_desc:
display.debug('%s: %s success' % (self._task.action, action_desc))
return
except Exception as e:
# Use exponential backoff with a max timout, plus a little bit of randomness
random_int = random.randint(0, 1000) / 1000
fail_sleep = 2 ** fail_count + random_int
if fail_sleep > max_fail_sleep:
fail_sleep = max_fail_sleep + random_int
if action_desc:
display.debug("{0}: {1} fail '{2}', retrying in {3:.4} seconds...".format(self._task.action, action_desc, to_text(e), fail_sleep))
fail_count += 1
time.sleep(fail_sleep)
raise TimedOutException('Timed out waiting for %s' % (action_desc))
def perform_reboot(self):
display.debug("%s: rebooting server" % self._task.action)
remote_command = self.construct_command()
reboot_result = self._low_level_execute_command(remote_command, sudoable=self.DEFAULT_SUDOABLE)
result = {}
result['start'] = datetime.utcnow()
if reboot_result['rc'] != 0:
result['failed'] = True
result['rebooted'] = False
result['msg'] = "Shutdown command failed. Error was %s, %s" % (
to_native(reboot_result['stdout'].strip()), to_native(reboot_result['stderr'].strip()))
return result
result['failed'] = False
# attempt to store the original connection_timeout option var so it can be reset after
self._original_connection_timeout = None
try:
self._original_connection_timeout = self._connection.get_option('connection_timeout')
except AnsibleError:
display.debug("%s: connect_timeout connection option has not been set" % self._task.action)
post_reboot_delay = int(self._task.args.get('post_reboot_delay', self._task.args.get('post_reboot_delay_sec', self.DEFAULT_POST_REBOOT_DELAY)))
if post_reboot_delay < 0:
post_reboot_delay = 0
if post_reboot_delay != 0:
display.vvv("%s: waiting an additional %d seconds" % (self._task.action, post_reboot_delay))
time.sleep(post_reboot_delay)
return result
def validate_reboot(self):
display.debug('%s: Validating reboot' % self._task.action)
result = {}
try:
# keep on checking system boot_time with short connection responses
reboot_timeout = int(self._task.args.get('reboot_timeout', self._task.args.get('reboot_timeout_sec', self.DEFAULT_REBOOT_TIMEOUT)))
connect_timeout = self._task.args.get('connect_timeout', self._task.args.get('connect_timeout_sec', self.DEFAULT_CONNECT_TIMEOUT))
self.do_until_success_or_timeout(self.check_boot_time, reboot_timeout, action_desc="boot_time check")
if connect_timeout:
# reset the connection to clear the custom connection timeout
try:
self._connection.set_option("connection_timeout", connect_timeout)
self._connection.reset()
except (AnsibleError, AttributeError) as e:
display.debug("Failed to reset connection_timeout back to default: %s" % to_text(e))
# finally run test command to ensure everything is working
# 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(self.run_test_command, reboot_timeout, action_desc="post-reboot test command")
result['rebooted'] = True
result['changed'] = True
except TimedOutException as toex:
result['failed'] = True
result['rebooted'] = True
result['msg'] = to_text(toex)
return result
return result
def run(self, tmp=None, task_vars=None):
self._supports_check_mode = True
self._supports_async = True
# If running with local connection, fail so we don't reboot ourself
if self._connection.transport == 'local':
msg = 'Running {0} with local connection would reboot the control node.'.format(self._task.action)
return dict(changed=False, elapsed=0, rebooted=False, failed=True, msg=msg)
if self._play_context.check_mode:
return dict(changed=True, elapsed=0, rebooted=True)
if task_vars is None:
task_vars = dict()
self.deprecated_args()
result = super(ActionModule, self).run(tmp, task_vars)
if result.get('skipped', False) or result.get('failed', False):
return result
# Get current boot time
try:
self._previous_boot_time = self.get_system_boot_time()
except Exception as e:
result['failed'] = True
result['reboot'] = False
result['msg'] = to_text(e)
return result
# Initiate reboot
reboot_result = self.perform_reboot()
if reboot_result['failed']:
result = reboot_result
elapsed = datetime.utcnow() - reboot_result['start']
result['elapsed'] = elapsed.seconds
return result
# Make sure reboot was successful
result = self.validate_reboot()
elapsed = datetime.utcnow() - reboot_result['start']
result['elapsed'] = elapsed.seconds
return result

214
lib/ansible/plugins/action/win_reboot.py
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@ -1,16 +1,15 @@
# (c) 2016, Matt Davis <mdavis@ansible.com>
# (c) 2018, 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 time
from datetime import datetime, timedelta
from datetime import datetime
from ansible.errors import AnsibleError
from ansible.plugins.action import ActionBase
from ansible.module_utils._text import to_native
from ansible.plugins.action.reboot import ActionModule as RebootActionModule
try:
from __main__ import display
@ -23,201 +22,66 @@ class TimedOutException(Exception):
pass
class ActionModule(ActionBase):
class ActionModule(RebootActionModule, ActionBase):
TRANSFERS_FILES = False
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.'
DEFAULT_BOOT_TIME_COMMAND = "(Get-WmiObject -ClassName Win32_OperatingSystem).LastBootUpTime"
DEFAULT_SHUTDOWN_COMMAND_ARGS = '/r /t %d /c "%s"'
DEFAULT_SUDOABLE = False
def get_system_uptime(self):
uptime_command = "(Get-WmiObject -ClassName Win32_OperatingSystem).LastBootUpTime"
(rc, stdout, stderr) = self._connection.exec_command(uptime_command)
DEPRECATED_ARGS = {
'shutdown_timeout': '2.5',
'shutdown_timeout_sec': '2.5',
}
if rc != 0:
raise Exception("win_reboot: failed to get host uptime info, rc: %d, stdout: %s, stderr: %s"
% (rc, stdout, stderr))
def construct_command(self):
shutdown_command = self.DEFAULT_SHUTDOWN_COMMAND
pre_reboot_delay = int(self._task.args.get('pre_reboot_delay', self._task.args.get('pre_reboot_delay_sec', self.DEFAULT_PRE_REBOOT_DELAY)))
msg = self._task.args.get('msg', self.DEFAULT_REBOOT_MESSAGE)
shutdown_command_args = self.DEFAULT_SHUTDOWN_COMMAND_ARGS % (pre_reboot_delay, msg)
return stdout
reboot_command = '%s %s' % (shutdown_command, shutdown_command_args)
return reboot_command
def do_until_success_or_timeout(self, what, timeout, what_desc, fail_sleep=1):
max_end_time = datetime.utcnow() + timedelta(seconds=timeout)
def perform_reboot(self):
display.debug("Rebooting server")
exc = ""
while datetime.utcnow() < max_end_time:
try:
what()
if what_desc:
display.debug("win_reboot: %s success" % what_desc)
return
except Exception as e:
exc = e
if what_desc:
display.debug("win_reboot: %s fail '%s' (expected), retrying in %d seconds..." % (what_desc, to_native(e), fail_sleep))
time.sleep(fail_sleep)
remote_command = self.construct_command()
reboot_result = self._low_level_execute_command(remote_command, sudoable=self.DEFAULT_SUDOABLE)
raise TimedOutException("timed out waiting for %s: %s" % (what_desc, exc))
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)
del tmp # tmp no longer has any effect
if result.get('skipped', False) or result.get('failed', False):
return result
# Handle timeout parameters and its alias
deprecated_args = {
'shutdown_timeout': '2.5',
'shutdown_timeout_sec': '2.5',
}
for arg, version in deprecated_args.items():
if self._task.args.get(arg) is not None:
display.warning("Since Ansible %s, %s is no longer used with win_reboot" % (version, arg))
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('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('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))
# Get current uptime
try:
before_uptime = self.get_system_uptime()
except Exception as e:
result['failed'] = True
result['reboot'] = False
result['msg'] = to_native(e)
return result
# Initiate reboot
display.vvv("rebooting server")
(rc, stdout, stderr) = self._connection.exec_command('shutdown /r /t %d /c "%s"' % (pre_reboot_delay, msg))
pre_reboot_delay = int(self._task.args.get('pre_reboot_delay', self._task.args.get('pre_reboot_delay_sec', self.DEFAULT_PRE_REBOOT_DELAY)))
# Test for "A system shutdown has already been scheduled. (1190)" and handle it gracefully
if rc == 1190 or (rc != 0 and b"(1190)" in stderr):
if reboot_result['rc'] == 1190 or (reboot_result['rc'] != 0 and b"(1190)" in reboot_result['stderr']):
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')
result1 = self._low_level_execute_command('shutdown /a', sudoable=self.DEFAULT_SUDOABLE)
# (reboot_result['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
result2 = self._connection.exec_command('shutdown /r /t %d' % pre_reboot_delay)
# (reboot_result['rc'], stdout2, stderr2) = self._connection.exec_command('shutdown /r /t %d' % pre_reboot_delay)
if rc != 0:
stdout = reboot_result['stdout'] + result1['stdout'] + result2['stdout']
stderr = reboot_result['stderr'] + result1['stderr'] + result2['stderr']
result = {}
if reboot_result['rc'] != 0:
result['failed'] = True
result['rebooted'] = False
result['msg'] = "Shutdown command failed, error text was '%s'" % to_native(stderr)
result['msg'] = "Shutdown command failed, error was: %s %s" % (to_native(stdout.strip()), to_native('stderr'.strip()))
return result
start = datetime.now()
result['failed'] = False
result['start'] = datetime.utcnow()
# Get the original connection_timeout option var so it can be reset after
connection_timeout_orig = None
try:
connection_timeout_orig = self._connection.get_option('connection_timeout')
self._original_connection_timeout = self._connection.get_option('connection_timeout')
except AnsibleError:
display.debug("win_reboot: connection_timeout connection option has not been set")
try:
# keep on checking system uptime with short connection responses
def check_uptime():
display.vvv("attempting to get system uptime")
# override connection timeout from defaults to custom value
try:
self._connection.set_option("connection_timeout",
connect_timeout)
self._connection.reset()
except AttributeError:
display.warning("Connection plugin does not allow the "
"connection timeout to be overridden")
# try and get uptime
try:
current_uptime = self.get_system_uptime()
except Exception as e:
raise e
if current_uptime == before_uptime:
raise Exception("uptime has not changed")
self.do_until_success_or_timeout(check_uptime, reboot_timeout, what_desc="reboot uptime check success")
# reset the connection to clear the custom connection timeout
try:
self._connection.set_option("connection_timeout",
connection_timeout_orig)
self._connection.reset()
except (AnsibleError, AttributeError) as e:
display.debug("Failed to reset connection_timeout back to default: %s" % to_native(e))
# finally run test command to ensure everything is working
def run_test_command():
display.vvv("attempting post-reboot test command '%s'" % test_command)
try:
(rc, stdout, stderr) = self._connection.exec_command(test_command)
except Exception as e:
# in case of a failure trying to execute the command
# (another reboot occurred) we need to reset the connection
# to make sure we are not re-using the same shell id
try:
self._connection.reset()
except AttributeError:
pass
raise
else:
if rc != 0:
raise Exception("test command failed, stdout: '%s', stderr: '%s', rc: %d"
% (stdout, stderr, rc))
# 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'] = to_native(toex)
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
display.debug("%s: connect_timeout connection option has not been set" % self._task.action)
return result

2
test/integration/targets/reboot/aliases Normal file
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@ -0,0 +1,2 @@
# No current way to split controller and test node
unsupported

50
test/integration/targets/reboot/tasks/main.yml Normal file
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- block:
# This block can be removed once we have a mechanism in ansible-test to separate
# the control node from the managed node.
- block:
- name: Write temp file for sanity checking this is not the controller
copy:
content: 'I am the control node'
dest: /tmp/Anything-Nutlike-Nuzzle-Plow-Overdue
delegate_to: localhost
- name: See if the temp file exists on the managed node
stat:
path: /tmp/Anything-Nutlike-Nuzzle-Plow-Overdue
register: controller_temp_file
- name: EXPECT FAILURE | Check if the managed node is the control node
assert:
msg: >
This test must be run manually by modifying the inventory file to point
"{{ inventory_hostname }}" at a remote host rather than "{{ ansible_host }}".
Skipping reboot test.
that:
- not controller_temp_file.stat.exists
- name: Get current boot time
command: who -b
register: before_boot_time
- name: Reboot with default settings
reboot:
register: reboot_result
- name: Get current boot time
command: who -b
register: after_boot_time
- name: Enusure system was actually rebooted
assert:
that:
- reboot_result is changed
- reboot_result.elapsed > 10
- before_boot_time.stdout != after_boot_time.stdout
always:
- name: Cleanup temp file
file:
path: /tmp/Anything-Nutlike-Nuzzle-Plow-Overdue
state: absent
when: ansible_virtualization_type | default('') != 'docker'