mirror of
https://github.com/freedombox/FreedomBox.git
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74214c18ae
- ugettext functions will be removed in Django 4.0. Each use emits a warning when running with Django 3.2. Since we have warnings enabled in developer mode, we see quite a few messages because of this. - ugettext is already a simple alias of gettext. So, no regressions are expected. Tests: - Accessing an affected app in UI with Django 3.2 and Django 2.2 works fine. - Using Django 3.2 there are no warnings related to removal of ugettext functions. - Ran regular unit tests. Signed-off-by: Sunil Mohan Adapa <sunil@medhas.org> Reviewed-by: James Valleroy <jvalleroy@mailbox.org>
302 lines
10 KiB
Python
302 lines
10 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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import json
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import logging
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import os
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import subprocess
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from aptsources import sourceslist
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from django.utils.translation import gettext_lazy as _
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from django.utils.translation import gettext_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, kvstore, menu
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from plinth.modules.backups.components import BackupRestore
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from . import manifest
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version = 9
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is_essential = True
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managed_packages = ['unattended-upgrades', 'needrestart']
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managed_services = ['freedombox-dist-upgrade']
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first_boot_steps = [
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{
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'id': 'backports_wizard',
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'url': 'upgrades:backports-firstboot',
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'order': 5,
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},
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{
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'id': 'initial_update',
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'url': 'upgrades:update-firstboot',
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'order': 6,
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},
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]
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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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BACKPORTS_REQUESTED_KEY = 'upgrades_backports_requested'
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DIST_UPGRADE_ENABLED_KEY = 'upgrades_dist_upgrade_enabled'
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SOURCES_LIST = '/etc/apt/sources.list'
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BACKPORTS_SOURCES_LIST = '/etc/apt/sources.list.d/freedombox2.list'
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logger = logging.getLogger(__name__)
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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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backup_restore = BackupRestore('backup-restore-upgrades',
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**manifest.backup)
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self.add(backup_restore)
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self._show_new_release_notification()
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# Check every day (every 3 minutes in debug mode):
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# - backports becomes available -> configure it if selected by user
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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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# Check every day (every 3 minutes in debug mode):
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# - new stable release becomes available -> perform dist-upgrade if
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# updates are enabled
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interval = 180 if cfg.develop else 24 * 3600
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glib.schedule(interval, check_dist_upgrade)
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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': 'translate:' + gettext_noop('Updates'),
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'app_icon': 'fa-refresh'
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}
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title = gettext_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 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 and not cfg.develop:
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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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# When upgrading from a version without first boot wizard for backports,
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# assume backports have been requested.
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if old_version and old_version < 7:
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set_backports_requested(can_activate_backports())
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# Enable dist upgrade for new installs, and once when upgrading
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# from version without flag.
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if not old_version or old_version < 8:
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set_dist_upgrade_enabled(can_enable_dist_upgrade())
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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(_):
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"""Setup apt repositories for backports."""
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if is_backports_requested():
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command = ['activate-backports']
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if cfg.develop:
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command.append('--develop')
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actions.superuser_run('upgrades', command)
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def check_dist_upgrade(_):
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"""Check for upgrade to new stable release."""
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from plinth.notification import Notification
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if is_dist_upgrade_enabled():
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output = actions.superuser_run('upgrades', ['start-dist-upgrade'])
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result = json.loads(output)
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dist_upgrade_started = result['dist_upgrade_started']
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reason = result['reason']
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if 'found-previous' in reason:
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logger.info(
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'Found previous dist-upgrade. If it was interrupted, it will '
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'be restarted.')
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elif 'already-' in reason:
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logger.info('Skip dist upgrade: System is already up-to-date.')
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elif 'codename-not-found' in reason:
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logger.warning('Skip dist upgrade: Codename not found in release '
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'file.')
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elif 'upgrades-not-enabled' in reason:
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logger.info('Skip dist upgrade: Automatic updates are not '
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'enabled.')
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elif 'test-not-set' in reason:
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logger.info('Skip dist upgrade: --test is not set.')
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elif 'not-enough-free-space' in reason:
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logger.warning('Skip dist upgrade: Not enough free space in /.')
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title = gettext_noop('Could not start distribution update')
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message = gettext_noop(
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'There is not enough free space in the root partition to '
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'start the distribution update. Please ensure at least 5 GB '
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'is free. Distribution update will be retried after 24 hours,'
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' if enabled.')
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Notification.update_or_create(
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id='upgrades-dist-upgrade-free-space', app_id='upgrades',
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severity='warning', title=title, message=message, actions=[{
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'type': 'dismiss'
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}], group='admin')
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elif 'started-dist-upgrade' in reason:
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logger.info('Started dist upgrade.')
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title = gettext_noop('Distribution update started')
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message = gettext_noop(
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'Started update to next stable release. This may take a long '
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'time to complete.')
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Notification.update_or_create(id='upgrades-dist-upgrade-started',
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app_id='upgrades', severity='info',
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title=title, message=message,
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actions=[{
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'type': 'dismiss'
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}], group='admin')
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else:
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logger.warning('Unhandled result of start-dist-upgrade: %s, %s',
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dist_upgrade_started, reason)
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def is_backports_requested():
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"""Return whether user has chosen to activate backports."""
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return kvstore.get_default(BACKPORTS_REQUESTED_KEY, False)
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def set_backports_requested(requested):
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"""Set whether user has chosen to activate backports."""
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kvstore.set(BACKPORTS_REQUESTED_KEY, requested)
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logger.info('Backports requested - %s', requested)
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def is_dist_upgrade_enabled():
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"""Return whether user has enabled dist upgrade."""
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return kvstore.get_default(DIST_UPGRADE_ENABLED_KEY, False)
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def set_dist_upgrade_enabled(enabled=True):
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"""Set whether user has enabled dist upgrade."""
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kvstore.set(DIST_UPGRADE_ENABLED_KEY, enabled)
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logger.info('Distribution upgrade configured - %s', enabled)
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def is_backports_enabled():
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"""Return whether backports are enabled in the system configuration."""
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return os.path.exists(BACKPORTS_SOURCES_LIST)
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def get_current_release():
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"""Return current release and codename as a tuple."""
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output = subprocess.check_output(
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['lsb_release', '--release', '--codename',
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'--short']).decode().strip()
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lines = output.split('\n')
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return lines[0], lines[1]
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def is_backports_current():
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"""Return whether backports are enabled for the current release."""
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if not is_backports_enabled():
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return False
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_, dist = get_current_release()
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dist += '-backports'
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sources = sourceslist.SourcesList()
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for source in sources:
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if source.dist == dist:
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return True
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return False
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def can_activate_backports():
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"""Return whether backports can be activated."""
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release, _ = get_current_release()
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if release == 'unstable' or (release == 'testing' and not cfg.develop):
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return False
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return True
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def can_enable_dist_upgrade():
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"""Return whether dist upgrade can be enabled."""
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release, _ = get_current_release()
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return release not in ['unstable', 'testing']
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