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https://github.com/freedombox/FreedomBox.git
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b253166f6d
- This is to capture stdout and stderr and transmit that from privileged daemon back to the service to be displayed in HTML. Tests: - Unit tests and code checks pass. - Some of the modified actions work as expected. Signed-off-by: Sunil Mohan Adapa <sunil@medhas.org> Reviewed-by: Veiko Aasa <veiko17@disroot.org>
127 lines
3.7 KiB
Python
127 lines
3.7 KiB
Python
# SPDX-License-Identifier: AGPL-3.0-or-later
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"""Utilities for regular updates and dist-upgrades."""
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import pathlib
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import re
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import augeas
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from plinth import action_utils
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from plinth.modules.apache.components import check_url
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RELEASE_FILE_URL = \
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'https://deb.debian.org/debian/dists/{}/Release'
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DIST_UPGRADE_REQUIRED_FREE_SPACE = 5000000
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sources_list = pathlib.Path('/etc/apt/sources.list')
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def check_auto() -> bool:
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"""Return whether automatic updates are enabled."""
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arguments = [
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'apt-config', 'shell', 'UpdateInterval',
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'APT::Periodic::Update-Package-Lists'
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]
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output = action_utils.run(arguments, check=True).stdout.decode()
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update_interval = 0
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match = re.match(r"UpdateInterval='(.*)'", output)
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if match:
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update_interval = int(match.group(1))
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return bool(update_interval)
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def get_http_protocol() -> str:
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"""Return the protocol to use for newly added repository sources."""
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try:
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from plinth.modules.torproxy import utils
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if utils.is_apt_transport_tor_enabled():
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return 'tor+http'
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except Exception:
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pass
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return 'http'
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def is_release_file_available(protocol: str, dist: str,
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backports=False) -> bool:
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"""Return whether the release for dist[-backports] is available."""
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wrapper = None
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if protocol == 'tor+http':
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wrapper = 'torsocks'
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if backports:
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dist += '-backports'
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try:
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return check_url(RELEASE_FILE_URL.format(dist), wrapper=wrapper)
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except FileNotFoundError:
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return False
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def is_sufficient_free_space() -> bool:
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"""Return whether there is sufficient free space for dist upgrade."""
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output = action_utils.run(['df', '--output=avail', '/'], check=True).stdout
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free_space = int(output.decode().split('\n')[1])
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return free_space >= DIST_UPGRADE_REQUIRED_FREE_SPACE
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def get_sources_list_codename() -> str | None:
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"""Return the codename set in the /etc/apt/sources.list file."""
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aug = augeas.Augeas(flags=augeas.Augeas.NO_LOAD +
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augeas.Augeas.NO_MODL_AUTOLOAD)
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aug.transform('aptsources', str(sources_list))
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aug.set('/augeas/context', '/files' + str(sources_list))
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aug.load()
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dists = set()
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for match_ in aug.match('*'):
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dist = aug.get(match_ + '/distribution')
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if not dist:
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continue
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dist = dist.removesuffix('-updates')
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dist = dist.removesuffix('-security')
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dists.add(dist)
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if 'unstable' in dists or 'sid' in dists:
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return 'unstable'
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if 'testing' in dists:
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return 'testing'
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# Multiple distributions are not understood.
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if len(dists) != 1:
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return None
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return dists.pop()
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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 = action_utils.run(
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['lsb_release', '--release', '--codename', '--short'],
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check=True).stdout.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_distribution_unstable() -> bool:
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"""Return whether the current distribution is unstable.
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There is no way to distinguish between 'testing' and 'unstable'
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distributions in Debian using commands like lsb_release (powered by
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/etc/os-release). See: https://lwn.net/Articles/984635/ . So, use the value
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set in /etc/apt/sources.list.
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"""
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codename = get_sources_list_codename()
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return codename in ['unstable', 'sid']
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def is_distribution_rolling() -> bool:
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"""Return whether the current distribution is testing or unstable."""
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# Release will be 'n/a' in latest unstable and testing distributions.
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release, _ = get_current_release()
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return release in ['unstable', 'testing', 'n/a']
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