mirror of
https://github.com/freedombox/FreedomBox.git
synced 2026-02-04 08:13:38 +00:00
134 lines
4.2 KiB
Python
134 lines
4.2 KiB
Python
# SPDX-License-Identifier: AGPL-3.0-or-later
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"""
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FreedomBox app for upgrades.
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"""
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from django.utils.translation import ugettext_lazy as _
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from django.utils.translation import ugettext_noop
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import plinth
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from plinth import actions
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from plinth import app as app_module
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from plinth import cfg, glib, menu
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from .manifest import backup # noqa, pylint: disable=unused-import
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version = 3
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is_essential = True
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managed_packages = ['unattended-upgrades', 'needrestart']
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_description = [
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_('Check for and apply the latest software and security updates.'),
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_('Updates are run at 06:00 everyday according to local time zone. Set '
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'your time zone in Date & Time app. Apps are restarted after update '
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'causing them to be unavailable briefly. If system reboot is deemed '
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'necessary, it is done automatically at 02:00 causing all apps to be '
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'unavailable briefly.')
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]
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app = None
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class UpgradesApp(app_module.App):
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"""FreedomBox app for software upgrades."""
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app_id = 'upgrades'
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can_be_disabled = False
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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, name=_('Update'),
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icon='fa-refresh', description=_description,
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manual_page='Upgrades')
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self.add(info)
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menu_item = menu.Menu('menu-upgrades', info.name, None, info.icon,
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'upgrades:index', parent_url_name='system')
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self.add(menu_item)
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self._show_new_release_notification()
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# Check every day for setting up apt backport sources, every 3 minutes
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# in debug mode.
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interval = 180 if cfg.develop else 24 * 3600
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glib.schedule(interval, _setup_repositories)
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def _show_new_release_notification(self):
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"""When upgraded to new release, show a notification."""
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from plinth.notification import Notification
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try:
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note = Notification.get('upgrades-new-release')
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if note.data['version'] == plinth.__version__:
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# User already has notification for update to this version. It
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# may be dismissed or not yet dismissed
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return
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# User currently has a notification for an older version, update.
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dismiss = False
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except KeyError:
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# Don't show notification for the first version user runs, create
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# but don't show it.
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dismiss = True
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data = {
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'version': plinth.__version__,
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'app_name': 'Update',
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'app_icon': 'fa-refresh'
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}
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title = ugettext_noop('FreedomBox Updated')
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note = Notification.update_or_create(
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id='upgrades-new-release', app_id='upgrades', severity='info',
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title=title, body_template='upgrades-new-release.html', data=data,
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group='admin')
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note.dismiss(should_dismiss=dismiss)
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def init():
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"""Initialize the module."""
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global app
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app = UpgradesApp()
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app.set_enabled(True)
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def setup(helper, old_version=None):
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"""Install and configure the module."""
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helper.install(managed_packages)
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# Enable automatic upgrades but only on first install
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if not old_version:
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helper.call('post', actions.superuser_run, 'upgrades', ['enable-auto'])
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# Update apt preferences whenever on first install and on version
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# increment.
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helper.call('post', actions.superuser_run, 'upgrades', ['setup'])
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# Try to setup apt repositories, if needed, if possible, on first install
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# and on version increment.
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helper.call('post', _setup_repositories, None)
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def is_enabled():
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"""Return whether the module is enabled."""
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output = actions.run('upgrades', ['check-auto'])
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return 'True' in output.split()
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def enable():
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"""Enable the module."""
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actions.superuser_run('upgrades', ['enable-auto'])
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def disable():
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"""Disable the module."""
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actions.superuser_run('upgrades', ['disable-auto'])
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def _setup_repositories(data):
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"""Setup apt backport repositories."""
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actions.superuser_run('upgrades', ['setup-repositories'])
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