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d92ca09e19
Fixes #1906 Signed-off-by: Joseph Nuthalapati <njoseph@riseup.net> Reviewed-by: James Valleroy <jvalleroy@mailbox.org>
112 lines
3.3 KiB
Python
112 lines
3.3 KiB
Python
# SPDX-License-Identifier: AGPL-3.0-or-later
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"""
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FreedomBox app to configure system date and time.
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"""
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import subprocess
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from django.utils.translation import ugettext_lazy as _
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from plinth import app as app_module
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from plinth import menu
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from plinth.daemon import Daemon
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from .manifest import backup # noqa, pylint: disable=unused-import
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version = 2
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is_essential = True
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managed_services = ['systemd-timesyncd']
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managed_packages = []
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_description = [
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_('Network time server is a program that maintains the system time '
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'in synchronization with servers on the Internet.')
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]
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app = None
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class DateTimeApp(app_module.App):
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"""FreedomBox app for date and time if time syncronization is unmanaged."""
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app_id = 'datetime'
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_time_managed = None
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@property
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def can_be_disabled(self):
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"""Return whether the app can be disabled."""
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return self._is_time_managed()
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def _is_time_managed(self):
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"""Check whether time should be syncronized by the systemd-timesyncd.
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systemd-timesyncd does not run if we have another NTP daemon installed
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or FreedomBox runs inside a container where the host manages the time.
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"""
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if self._time_managed is None:
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try:
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output = subprocess.check_output([
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'systemctl', 'show', '--property=ConditionResult',
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'--value', 'systemd-timesyncd'
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])
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self._time_managed = 'yes' in output.decode()
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except subprocess.CalledProcessError:
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# When systemd is not running.
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self._time_managed = False
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return self._time_managed
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def __init__(self):
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"""Create components for the app."""
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super().__init__()
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info = app_module.Info(app_id=self.app_id, version=version,
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is_essential=is_essential,
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name=_('Date & Time'), icon='fa-clock-o',
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description=_description,
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manual_page='DateTime')
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self.add(info)
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menu_item = menu.Menu('menu-datetime', info.name, None, info.icon,
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'datetime:index', parent_url_name='system')
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self.add(menu_item)
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if self._is_time_managed():
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daemon = Daemon('daemon-datetime', managed_services[0])
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self.add(daemon)
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def diagnose(self):
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"""Run diagnostics and return the results."""
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results = super().diagnose()
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if self._is_time_managed():
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results.append(_diagnose_time_synchronized())
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return results
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def has_diagnostics(self):
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"""Return that app has diagnostics only when time is managed."""
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return self._is_time_managed()
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def setup(helper, old_version=None):
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"""Install and configure the module."""
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helper.call('post', app.enable)
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def _diagnose_time_synchronized():
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"""Check whether time is synchronized to NTP server."""
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result = 'failed'
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try:
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output = subprocess.check_output(
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['timedatectl', 'show', '--property=NTPSynchronized', '--value'])
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if 'yes' in output.decode():
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result = 'passed'
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except subprocess.CalledProcessError:
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pass
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return [_('Time synchronized to NTP server'), result]
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