mirror of
https://github.com/freedombox/FreedomBox.git
synced 2026-01-21 07:55:00 +00:00
f494760f2a
- Let the .container file be created and modified even when quadlets are not available. This is harmless. - When upgrading from bookworm to trixie, the fallback service file is removed if setup is re-run. Signed-off-by: Sunil Mohan Adapa <sunil@medhas.org> [jvalleroy: Add daemon-reload after creating service file] Signed-off-by: James Valleroy <jvalleroy@mailbox.org> Reviewed-by: James Valleroy <jvalleroy@mailbox.org>
678 lines
22 KiB
Python
678 lines
22 KiB
Python
# SPDX-License-Identifier: AGPL-3.0-or-later
|
|
"""
|
|
Python action utility functions.
|
|
"""
|
|
|
|
import logging
|
|
import os
|
|
import pathlib
|
|
import shutil
|
|
import subprocess
|
|
import tempfile
|
|
from contextlib import contextmanager
|
|
|
|
import augeas
|
|
|
|
logger = logging.getLogger(__name__)
|
|
|
|
UWSGI_ENABLED_PATH = '/etc/uwsgi/apps-enabled/{config_name}.ini'
|
|
UWSGI_AVAILABLE_PATH = '/etc/uwsgi/apps-available/{config_name}.ini'
|
|
|
|
# Flag on disk to indicate if freedombox package was held by
|
|
# plinth. This is a backup in case the process is interrupted and hold
|
|
# is not released.
|
|
apt_hold_flag = pathlib.Path('/var/lib/freedombox/package-held')
|
|
|
|
|
|
def is_systemd_running():
|
|
"""Return if we are running under systemd."""
|
|
return os.path.exists('/run/systemd')
|
|
|
|
|
|
def service_daemon_reload():
|
|
"""Reload systemd to ensure that newer unit files are read."""
|
|
subprocess.run(['systemctl', 'daemon-reload'], check=True,
|
|
stdout=subprocess.DEVNULL)
|
|
|
|
|
|
def service_is_running(servicename):
|
|
"""Return whether a service is currently running.
|
|
|
|
Does not need to run as root.
|
|
"""
|
|
try:
|
|
subprocess.run(['systemctl', 'status', servicename], check=True,
|
|
stdout=subprocess.DEVNULL)
|
|
return True
|
|
except subprocess.CalledProcessError:
|
|
# If a service is not running we get a status code != 0 and
|
|
# thus a CalledProcessError
|
|
return False
|
|
|
|
|
|
@contextmanager
|
|
def service_ensure_running(service_name):
|
|
"""Ensure a service is running and return to previous state."""
|
|
starting_state = service_is_running(service_name)
|
|
if not starting_state:
|
|
service_enable(service_name)
|
|
|
|
try:
|
|
yield starting_state
|
|
finally:
|
|
if not starting_state:
|
|
service_disable(service_name)
|
|
|
|
|
|
def service_is_enabled(service_name, strict_check=False):
|
|
"""Check if service is enabled in systemd.
|
|
|
|
In some cases, after disabling a service, systemd puts it into a state
|
|
called 'enabled-runtime' and returns a positive response to 'is-enabled'
|
|
query. Until we understand better, a conservative work around is to pass
|
|
strict=True to services effected by this behavior.
|
|
|
|
"""
|
|
try:
|
|
process = subprocess.run(['systemctl', 'is-enabled', service_name],
|
|
check=True, stdout=subprocess.PIPE,
|
|
stderr=subprocess.DEVNULL)
|
|
if not strict_check:
|
|
return True
|
|
|
|
return process.stdout.decode().strip() == 'enabled'
|
|
except subprocess.CalledProcessError:
|
|
return False
|
|
|
|
|
|
def service_enable(service_name):
|
|
"""Enable and start a service in systemd and sysvinit using update-rc.d."""
|
|
subprocess.call(['systemctl', 'enable', service_name])
|
|
service_start(service_name)
|
|
|
|
|
|
def service_disable(service_name):
|
|
"""Disable and stop service in systemd and sysvinit using update-rc.d."""
|
|
subprocess.call(['systemctl', 'disable', service_name])
|
|
try:
|
|
service_stop(service_name)
|
|
except subprocess.CalledProcessError:
|
|
pass
|
|
|
|
|
|
def service_mask(service_name):
|
|
"""Mask a service"""
|
|
subprocess.call(['systemctl', 'mask', service_name])
|
|
|
|
|
|
def service_unmask(service_name):
|
|
"""Unmask a service"""
|
|
subprocess.call(['systemctl', 'unmask', service_name])
|
|
|
|
|
|
def service_start(service_name):
|
|
"""Start a service with systemd or sysvinit."""
|
|
service_action(service_name, 'start')
|
|
|
|
|
|
def service_stop(service_name):
|
|
"""Stop a service with systemd or sysvinit."""
|
|
service_action(service_name, 'stop')
|
|
|
|
|
|
def service_restart(service_name):
|
|
"""Restart a service with systemd or sysvinit."""
|
|
service_action(service_name, 'restart')
|
|
|
|
|
|
def service_try_restart(service_name):
|
|
"""Try to restart a service with systemd or sysvinit."""
|
|
service_action(service_name, 'try-restart')
|
|
|
|
|
|
def service_reload(service_name):
|
|
"""Reload a service with systemd or sysvinit."""
|
|
service_action(service_name, 'reload')
|
|
|
|
|
|
def service_action(service_name, action):
|
|
"""Perform the given action on the service_name."""
|
|
subprocess.run(['systemctl', action, service_name],
|
|
stdout=subprocess.DEVNULL, check=False)
|
|
|
|
|
|
def webserver_is_enabled(name, kind='config'):
|
|
"""Return whether a config/module/site is enabled in Apache."""
|
|
if not shutil.which('a2query'):
|
|
return False
|
|
|
|
option_map = {'config': '-c', 'site': '-s', 'module': '-m'}
|
|
try:
|
|
# Don't print anything on the terminal
|
|
subprocess.check_output(['a2query', option_map[kind], name],
|
|
stderr=subprocess.STDOUT)
|
|
return True
|
|
except subprocess.CalledProcessError:
|
|
return False
|
|
|
|
|
|
def webserver_enable(name, kind='config', apply_changes=True):
|
|
"""Enable a config/module/site in Apache.
|
|
|
|
Restart/reload the webserver if apply_changes is True. Return
|
|
whether restart('restart'), reload('reload') or no action (None)
|
|
is required. If changes have been applied, then performed action
|
|
is returned.
|
|
"""
|
|
if webserver_is_enabled(name, kind) and kind == 'module':
|
|
return
|
|
|
|
command_map = {
|
|
'config': 'a2enconf',
|
|
'site': 'a2ensite',
|
|
'module': 'a2enmod'
|
|
}
|
|
subprocess.check_output([command_map[kind], name])
|
|
|
|
action_required = 'restart' if kind == 'module' else 'reload'
|
|
|
|
if apply_changes:
|
|
if action_required == 'restart':
|
|
service_restart('apache2')
|
|
else:
|
|
service_reload('apache2')
|
|
|
|
return action_required
|
|
|
|
|
|
def webserver_disable(name, kind='config', apply_changes=True):
|
|
"""Disable config/module/site in Apache.
|
|
|
|
Restart/reload the webserver if apply_changes is True. Return
|
|
whether restart('restart'), reload('reload') or no action (None)
|
|
is required. If changes have been applied, then performed action
|
|
is returned.
|
|
"""
|
|
if not webserver_is_enabled(name, kind):
|
|
return
|
|
|
|
command_map = {
|
|
'config': 'a2disconf',
|
|
'site': 'a2dissite',
|
|
'module': 'a2dismod'
|
|
}
|
|
subprocess.check_output([command_map[kind], name])
|
|
|
|
action_required = 'restart' if kind == 'module' else 'reload'
|
|
|
|
if apply_changes:
|
|
if action_required == 'restart':
|
|
service_restart('apache2')
|
|
else:
|
|
service_reload('apache2')
|
|
|
|
return action_required
|
|
|
|
|
|
class WebserverChange:
|
|
"""Context to restart/reload Apache after configuration changes."""
|
|
|
|
def __init__(self):
|
|
"""Initialize the context object state."""
|
|
self.actions_required = set()
|
|
|
|
def __enter__(self):
|
|
"""Return the context object so methods could be called on it."""
|
|
return self
|
|
|
|
def __exit__(self, exc_type, exc_value, traceback):
|
|
"""Restart or reload the webserver.
|
|
|
|
Don't suppress exceptions. If an exception occurs
|
|
restart/reload the webserver based on enable/disable
|
|
operations done so far.
|
|
"""
|
|
if 'restart' in self.actions_required:
|
|
service_restart('apache2')
|
|
elif 'reload' in self.actions_required:
|
|
service_reload('apache2')
|
|
|
|
def enable(self, name, kind='config'):
|
|
"""Enable a config/module/site in Apache.
|
|
|
|
Don't apply the changes until the context is exited.
|
|
"""
|
|
action_required = webserver_enable(name, kind, apply_changes=False)
|
|
self.actions_required.add(action_required)
|
|
|
|
def disable(self, name, kind='config'):
|
|
"""Disable a config/module/site in Apache.
|
|
|
|
Don't apply the changes until the context is exited.
|
|
"""
|
|
action_required = webserver_disable(name, kind, apply_changes=False)
|
|
self.actions_required.add(action_required)
|
|
|
|
|
|
def uwsgi_is_enabled(config_name):
|
|
"""Return whether a uwsgi config is enabled."""
|
|
enabled_path = UWSGI_ENABLED_PATH.format(config_name=config_name)
|
|
return os.path.exists(enabled_path)
|
|
|
|
|
|
def uwsgi_enable(config_name):
|
|
"""Enable a uwsgi configuration that runs under uwsgi."""
|
|
if uwsgi_is_enabled(config_name):
|
|
return
|
|
|
|
# uwsgi is started/stopped using init script. We don't know if it can
|
|
# handle some configuration already running against newly enabled
|
|
# configuration. So, stop first before enabling new configuration.
|
|
service_stop('uwsgi')
|
|
|
|
enabled_path = UWSGI_ENABLED_PATH.format(config_name=config_name)
|
|
available_path = UWSGI_AVAILABLE_PATH.format(config_name=config_name)
|
|
os.symlink(available_path, enabled_path)
|
|
|
|
service_enable('uwsgi')
|
|
service_start('uwsgi')
|
|
|
|
|
|
def uwsgi_disable(config_name):
|
|
"""Disable a uwsgi configuration that runs under uwsgi."""
|
|
if not uwsgi_is_enabled(config_name):
|
|
return
|
|
|
|
# If uwsgi is restarted later, it won't stop the just disabled
|
|
# configuration due to how init scripts are written for uwsgi.
|
|
service_stop('uwsgi')
|
|
enabled_path = UWSGI_ENABLED_PATH.format(config_name=config_name)
|
|
os.unlink(enabled_path)
|
|
service_start('uwsgi')
|
|
|
|
|
|
def get_addresses() -> list[dict[str, str | bool]]:
|
|
"""Return a list of IP addresses and hostnames."""
|
|
addresses = get_ip_addresses()
|
|
|
|
hostname = get_hostname()
|
|
addresses.append({
|
|
'kind': '4',
|
|
'address': 'localhost',
|
|
'numeric': False,
|
|
'url_address': 'localhost'
|
|
})
|
|
addresses.append({
|
|
'kind': '6',
|
|
'address': 'localhost',
|
|
'numeric': False,
|
|
'url_address': 'localhost'
|
|
})
|
|
addresses.append({
|
|
'kind': '4',
|
|
'address': hostname,
|
|
'numeric': False,
|
|
'url_address': hostname
|
|
})
|
|
|
|
# XXX: When a hostname is resolved to IPv6 address, it may likely
|
|
# be link-local address. Link local IPv6 addresses are valid only
|
|
# for a given link and need to be scoped with interface name such
|
|
# as '%eth0' to work. Tools such as curl don't seem to handle
|
|
# this correctly.
|
|
# addresses.append({'kind': '6', 'address': hostname, 'numeric': False})
|
|
|
|
return addresses
|
|
|
|
|
|
def get_ip_addresses() -> list[dict[str, str | bool]]:
|
|
"""Return a list of IP addresses assigned to the system."""
|
|
addresses = []
|
|
|
|
output = subprocess.check_output(['ip', '-o', 'addr'])
|
|
for line in output.decode().splitlines():
|
|
parts = line.split()
|
|
address: dict[str, str | bool] = {
|
|
'kind': '4' if parts[2] == 'inet' else '6',
|
|
'address': parts[3].split('/')[0],
|
|
'url_address': parts[3].split('/')[0],
|
|
'numeric': True,
|
|
'scope': parts[5],
|
|
'interface': parts[1]
|
|
}
|
|
|
|
if address['kind'] == '6' and address['numeric']:
|
|
if address['scope'] != 'link':
|
|
address['url_address'] = '[{0}]'.format(address['address'])
|
|
else:
|
|
address['url_address'] = '[{0}%{1}]'.format(
|
|
address['url_address'], address['interface'])
|
|
|
|
addresses.append(address)
|
|
|
|
return addresses
|
|
|
|
|
|
def get_hostname():
|
|
"""Return the current hostname."""
|
|
return subprocess.check_output(['hostname']).decode().strip()
|
|
|
|
|
|
def dpkg_reconfigure(package, config):
|
|
"""Reconfigure package using debconf database override."""
|
|
override_template = '''
|
|
Name: {package}/{key}
|
|
Template: {package}/{key}
|
|
Value: {value}
|
|
Owners: {package}
|
|
'''
|
|
override_data = ''
|
|
for key, value in config.items():
|
|
override_data += override_template.format(package=package, key=key,
|
|
value=value)
|
|
|
|
with tempfile.NamedTemporaryFile(mode='w', delete=False) as override_file:
|
|
override_file.write(override_data)
|
|
|
|
env = os.environ.copy()
|
|
env['DEBCONF_DB_OVERRIDE'] = 'File{' + override_file.name + \
|
|
' readonly:true}'
|
|
env['DEBIAN_FRONTEND'] = 'noninteractive'
|
|
subprocess.run(['dpkg-reconfigure', package], env=env, check=False)
|
|
|
|
try:
|
|
os.remove(override_file.name)
|
|
except OSError:
|
|
pass
|
|
|
|
|
|
def debconf_set_selections(presets):
|
|
"""Answer debconf questions before installing a package."""
|
|
try:
|
|
# Workaround Debian Bug #487300. In some situations, debconf complains
|
|
# it can't find the question being answered even though it is supposed
|
|
# to create a dummy question for it.
|
|
subprocess.run(['/usr/share/debconf/fix_db.pl'], check=True)
|
|
except (FileNotFoundError, PermissionError):
|
|
pass
|
|
|
|
presets = '\n'.join(presets)
|
|
subprocess.check_output(['debconf-set-selections'], input=presets.encode())
|
|
|
|
|
|
def is_disk_image():
|
|
"""Return whether the current machine is from a disk image.
|
|
|
|
Two primary ways to install FreedomBox are:
|
|
- Using FreedomBox image for various hardware platforms.
|
|
- Installing packages on a Debian machine using apt.
|
|
"""
|
|
return os.path.exists('/var/lib/freedombox/is-freedombox-disk-image')
|
|
|
|
|
|
def run_apt_command(arguments):
|
|
"""Run apt-get with provided arguments."""
|
|
command = ['apt-get', '--assume-yes', '--quiet=2'] + arguments
|
|
|
|
env = os.environ.copy()
|
|
env['DEBIAN_FRONTEND'] = 'noninteractive'
|
|
process = subprocess.run(command, stdin=subprocess.DEVNULL,
|
|
stdout=subprocess.DEVNULL, env=env, check=False)
|
|
return process.returncode
|
|
|
|
|
|
@contextmanager
|
|
def apt_hold(packages):
|
|
"""Prevent packages from being removed during apt operations.
|
|
|
|
`apt-mark hold PACKAGES` accepts a list of packages. But if one of
|
|
the package is missing from the apt repository, then it will fail
|
|
to hold any of the listed packages. So it is necessary to try to
|
|
hold each package by itself.
|
|
|
|
Packages held by this context will be unheld when leaving the
|
|
context. But if a package was already held beforehand, it will be
|
|
ignored (and not unheld).
|
|
|
|
"""
|
|
held_packages = []
|
|
for package in packages:
|
|
current_hold = subprocess.check_output(
|
|
['apt-mark', 'showhold', package])
|
|
if not current_hold:
|
|
process = subprocess.run(['apt-mark', 'hold', package],
|
|
check=False)
|
|
if process.returncode == 0: # success
|
|
held_packages.append(package)
|
|
|
|
yield held_packages
|
|
|
|
for package in held_packages:
|
|
subprocess.check_call(['apt-mark', 'unhold', package])
|
|
|
|
|
|
@contextmanager
|
|
def apt_hold_freedombox():
|
|
"""Prevent freedombox package from being removed during apt operations."""
|
|
current_hold = subprocess.check_output(
|
|
['apt-mark', 'showhold', 'freedombox'])
|
|
try:
|
|
if current_hold:
|
|
# Package is already held, possibly by administrator.
|
|
yield current_hold
|
|
else:
|
|
# Set the flag.
|
|
apt_hold_flag.touch(mode=0o660)
|
|
yield subprocess.check_call(['apt-mark', 'hold', 'freedombox'])
|
|
finally:
|
|
# Was the package held, either in this process or a previous one?
|
|
if not current_hold or apt_hold_flag.exists():
|
|
apt_unhold_freedombox()
|
|
|
|
|
|
def apt_unhold_freedombox():
|
|
"""Remove any hold on freedombox package, and clear flag."""
|
|
subprocess.run(['apt-mark', 'unhold', 'freedombox'],
|
|
stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL,
|
|
check=False)
|
|
if apt_hold_flag.exists():
|
|
apt_hold_flag.unlink()
|
|
|
|
|
|
def is_package_manager_busy():
|
|
"""Return whether package manager is busy.
|
|
This command uses the `lsof` command to check whether the dpkg lock file
|
|
is open which indicates that the package manager is busy"""
|
|
LOCK_FILE = '/var/lib/dpkg/lock'
|
|
try:
|
|
subprocess.check_output(['lsof', LOCK_FILE])
|
|
return True
|
|
except subprocess.CalledProcessError:
|
|
return False
|
|
|
|
|
|
def podman_create(container_name: str, image_name: str, volume_name: str,
|
|
volume_path: str, volumes: dict[str, str] | None = None,
|
|
env: dict[str, str] | None = None,
|
|
binds_to: list[str] | None = None):
|
|
"""Remove and recreate a podman container."""
|
|
service_stop(f'{volume_name}-volume.service')
|
|
service_stop(container_name)
|
|
|
|
# Data is kept
|
|
subprocess.run(['podman', 'volume', 'rm', '--force', volume_name],
|
|
check=False)
|
|
|
|
directory = pathlib.Path('/etc/containers/systemd')
|
|
directory.mkdir(parents=True, exist_ok=True)
|
|
|
|
# Fetch the image before creating the container. The systemd service for
|
|
# the container won't timeout due to slow internet connectivity.
|
|
subprocess.run(['podman', 'image', 'pull', image_name], check=True)
|
|
|
|
pathlib.Path(volume_path).mkdir(parents=True, exist_ok=True)
|
|
# Create storage volume
|
|
volume_file = directory / f'{volume_name}.volume'
|
|
contents = f'''[Volume]
|
|
Device={volume_path}
|
|
Driver=local
|
|
VolumeName={volume_name}
|
|
Options=bind
|
|
'''
|
|
volume_file.write_text(contents)
|
|
|
|
service_file = directory / f'{container_name}.container'
|
|
volume_lines = '\n'.join([
|
|
f'Volume={source}:{dest}' for source, dest in (volumes or {}).items()
|
|
])
|
|
env_lines = '\n'.join(
|
|
[f'Environment={key}={value}' for key, value in (env or {}).items()])
|
|
bind_lines = '\n'.join(f'BindsTo={service}\nAfter={service}'
|
|
for service in (binds_to or []))
|
|
contents = f'''[Unit]
|
|
Requires={volume_name}-volume.service
|
|
After={volume_name}-volume.service
|
|
{bind_lines}
|
|
|
|
[Container]
|
|
AutoUpdate=registry
|
|
ContainerName=%N
|
|
{env_lines}
|
|
Image={image_name}
|
|
Network=host
|
|
{volume_lines}
|
|
|
|
[Service]
|
|
Restart=always
|
|
|
|
[Install]
|
|
WantedBy=default.target
|
|
'''
|
|
service_file.write_text(contents)
|
|
|
|
# Remove the fallback service file when upgrading from bookworm to trixie.
|
|
# Re-running setup should be sufficient.
|
|
_podman_create_fallback_service_file(container_name, image_name,
|
|
volume_name, volume_path, volumes,
|
|
env, binds_to)
|
|
|
|
service_daemon_reload()
|
|
|
|
|
|
def _podman_create_fallback_service_file(container_name: str, image_name: str,
|
|
volume_name: str, volume_path: str,
|
|
volumes: dict[str, str] | None = None,
|
|
env: dict[str, str] | None = None,
|
|
binds_to: list[str] | None = None):
|
|
"""Create a systemd unit file if systemd generator is not available."""
|
|
service_file = pathlib.Path(
|
|
f'/etc/systemd/system/{container_name}.service')
|
|
|
|
generator = '/usr/lib/systemd/system-generators/podman-system-generator'
|
|
if pathlib.Path(generator).exists():
|
|
# If systemd generator is present, during an upgrade, remove the
|
|
# .service file (perhaps created when generator is not present).
|
|
service_file.unlink(missing_ok=True)
|
|
return
|
|
|
|
service_file.parent.mkdir(parents=True, exist_ok=True)
|
|
bind_lines = '\n'.join(f'BindsTo={service}\nAfter={service}'
|
|
for service in (binds_to or []))
|
|
require_mounts_for = '\n'.join((f'RequiresMountsFor={host_path}'
|
|
for host_path in (volumes or {})
|
|
if host_path.startswith('/')))
|
|
env_args = ' '.join(
|
|
(f'--env {key}={value}' for key, value in (env or {}).items()))
|
|
volume_args = ' '.join(
|
|
(f'-v {host_path}:{container_path}'
|
|
for host_path, container_path in (volumes or {}).items()))
|
|
|
|
# Similar to the file quadlet systemd generator produces but with volume
|
|
# related commands merged.
|
|
contents = f'''[Unit]
|
|
{bind_lines}
|
|
RequiresMountsFor=%t/containers
|
|
{require_mounts_for}
|
|
|
|
[Service]
|
|
Restart=always
|
|
Environment=PODMAN_SYSTEMD_UNIT=%n
|
|
KillMode=mixed
|
|
ExecStop=/usr/bin/podman rm -v -f -i --cidfile=%t/%N.cid
|
|
ExecStopPost=-/usr/bin/podman rm -v -f -i --cidfile=%t/%N.cid
|
|
Delegate=yes
|
|
Type=notify
|
|
NotifyAccess=all
|
|
SyslogIdentifier=%N
|
|
ExecStartPre=/usr/bin/rm -f %t/%N.cid
|
|
ExecStartPre=/usr/bin/podman volume rm --force {volume_name}
|
|
ExecStartPre=/usr/bin/podman volume create --driver=local --opt device={volume_path} --opt o=bind {volume_name}
|
|
ExecStart=/usr/bin/podman run --name=%N --cidfile=%t/%N.cid --replace --rm --cgroups=split --network=host --sdnotify=conmon --detach --label io.containers.autoupdate=registry {volume_args} {env_args} {image_name}
|
|
|
|
[Install]
|
|
WantedBy=default.target
|
|
''' # noqa: E501
|
|
service_file.write_text(contents, encoding='utf-8')
|
|
service_daemon_reload()
|
|
|
|
|
|
def _podman_augeus(container_name: str):
|
|
"""Return an augues instance to edit container configuration file."""
|
|
aug = augeas.Augeas(flags=augeas.Augeas.NO_LOAD +
|
|
augeas.Augeas.NO_MODL_AUTOLOAD)
|
|
container = f'/etc/containers/systemd/{container_name}.container'
|
|
aug.transform('Systemd', container)
|
|
aug.set('/augeas/context', '/files' + container)
|
|
aug.load()
|
|
return aug
|
|
|
|
|
|
def podman_is_enabled(container_name: str) -> bool:
|
|
"""Return whether the container to start on boot."""
|
|
aug = _podman_augeus(container_name)
|
|
aug = _podman_augeus(container_name)
|
|
value = 'default.target'
|
|
key = 'Install/WantedBy'
|
|
return any(
|
|
(aug.get(match_ + '/value') == value for match_ in aug.match(key)))
|
|
|
|
|
|
def podman_enable(container_name: str):
|
|
"""Enable container to start on boot."""
|
|
aug = _podman_augeus(container_name)
|
|
value = 'default.target'
|
|
key = 'Install/WantedBy'
|
|
found = any(
|
|
(aug.get(match_ + '/value') == value for match_ in aug.match(key)))
|
|
if not found:
|
|
aug.set(f'{key}[last() +1]/value', value)
|
|
aug.save()
|
|
|
|
|
|
def podman_disable(container_name: str):
|
|
"""Disable container to start on boot."""
|
|
aug = _podman_augeus(container_name)
|
|
aug.remove('Install/WantedBy')
|
|
aug.save()
|
|
|
|
|
|
def podman_uninstall(container_name: str, volume_name: str, image_name: str,
|
|
volume_path: str):
|
|
"""Remove a podman container's components and systemd unit."""
|
|
subprocess.run(['podman', 'volume', 'rm', '--force', volume_name],
|
|
check=True)
|
|
subprocess.run(['podman', 'image', 'rm', '--ignore', image_name],
|
|
check=True)
|
|
volume_file = pathlib.Path(
|
|
'/etc/containers/systemd/') / f'{volume_name}.volume'
|
|
volume_file.unlink(missing_ok=True)
|
|
service_file = pathlib.Path(
|
|
'/etc/containers/systemd/') / f'{container_name}.container'
|
|
service_file.unlink(missing_ok=True)
|
|
# Remove fallback service file
|
|
service_file = pathlib.Path(
|
|
'/etc/systemd/system/') / f'{container_name}.service'
|
|
service_file.unlink(missing_ok=True)
|
|
shutil.rmtree(volume_path, ignore_errors=True)
|
|
service_daemon_reload()
|