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-rw-r--r--python/vyos/system/compat.py8
-rw-r--r--python/vyos/system/grub.py61
-rw-r--r--python/vyos/system/grub_util.py30
-rw-r--r--python/vyos/system/image.py13
4 files changed, 104 insertions, 8 deletions
diff --git a/python/vyos/system/compat.py b/python/vyos/system/compat.py
index cc0529b91..37b834ad6 100644
--- a/python/vyos/system/compat.py
+++ b/python/vyos/system/compat.py
@@ -1,4 +1,4 @@
-# Copyright 2023 VyOS maintainers and contributors <maintainers@vyos.io>
+# Copyright 2023-2024 VyOS maintainers and contributors <maintainers@vyos.io>
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
@@ -249,13 +249,17 @@ def update_version_list(root_dir: str = '') -> list[dict]:
menu_entries = list(filter(lambda x: x.get('version') != ver,
menu_entries))
+ # reset boot_opts in case of config update
+ for entry in menu_entries:
+ entry['boot_opts'] = grub.get_boot_opts(entry['version'])
+
add = list(set(current_versions) - set(menu_versions))
for ver in add:
last = menu_entries[0].get('version')
new = deepcopy(list(filter(lambda x: x.get('version') == last,
menu_entries)))
for e in new:
- boot_opts = e.get('boot_opts').replace(last, ver)
+ boot_opts = grub.get_boot_opts(ver)
e.update({'version': ver, 'boot_opts': boot_opts})
menu_entries = new + menu_entries
diff --git a/python/vyos/system/grub.py b/python/vyos/system/grub.py
index 3f5f89103..4e133c5fc 100644
--- a/python/vyos/system/grub.py
+++ b/python/vyos/system/grub.py
@@ -1,4 +1,4 @@
-# Copyright 2023 VyOS maintainers and contributors <maintainers@vyos.io>
+# Copyright 2023-2024 VyOS maintainers and contributors <maintainers@vyos.io>
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
@@ -43,10 +43,14 @@ TMPL_GRUB_MODULES: str = 'grub/grub_modules.j2'
TMPL_GRUB_OPTS: str = 'grub/grub_options.j2'
TMPL_GRUB_COMMON: str = 'grub/grub_common.j2'
+# default boot options
+BOOT_OPTS_STEM: str = 'boot=live rootdelay=5 noautologin net.ifnames=0 biosdevname=0 vyos-union=/boot/'
+
# prepare regexes
REGEX_GRUB_VARS: str = r'^set (?P<variable_name>.+)=[\'"]?(?P<variable_value>.*)(?<![\'"])[\'"]?$'
REGEX_GRUB_MODULES: str = r'^insmod (?P<module_name>.+)$'
REGEX_KERNEL_CMDLINE: str = r'^BOOT_IMAGE=/(?P<boot_type>boot|live)/((?P<image_version>.+)/)?vmlinuz.*$'
+REGEX_GRUB_BOOT_OPTS: str = r'^\s*set boot_opts="(?P<boot_opts>[^$]+)"$'
def install(drive_path: str, boot_dir: str, efi_dir: str, id: str = 'VyOS') -> None:
@@ -87,7 +91,8 @@ def gen_version_uuid(version_name: str) -> str:
def version_add(version_name: str,
root_dir: str = '',
- boot_opts: str = '') -> None:
+ boot_opts: str = '',
+ boot_opts_config = None) -> None:
"""Add a new VyOS version to GRUB loader configuration
Args:
@@ -104,7 +109,9 @@ def version_add(version_name: str,
version_config, TMPL_VYOS_VERSION, {
'version_name': version_name,
'version_uuid': gen_version_uuid(version_name),
- 'boot_opts': boot_opts
+ 'boot_opts_default': BOOT_OPTS_STEM + version_name,
+ 'boot_opts': boot_opts,
+ 'boot_opts_config': boot_opts_config
})
@@ -286,12 +293,43 @@ def vars_write(grub_cfg: str, grub_vars: dict[str, str]) -> None:
"""
render(grub_cfg, TMPL_GRUB_VARS, {'vars': grub_vars})
+def get_boot_opts(version_name: str, root_dir: str = '') -> str:
+ """Read boot_opts setting from version file; return default setting on
+ any failure.
+
+ Args:
+ version_name (str): version name
+ root_dir (str, optional): an optional path to the root directory.
+ Defaults to empty.
+ """
+ if not root_dir:
+ root_dir = disk.find_persistence()
+
+ boot_opts_default: str = BOOT_OPTS_STEM + version_name
+ boot_opts: str = ''
+ regex_filter = re_compile(REGEX_GRUB_BOOT_OPTS)
+ version_config: str = f'{root_dir}/{GRUB_DIR_VYOS_VERS}/{version_name}.cfg'
+ try:
+ config_text: list[str] = Path(version_config).read_text().splitlines()
+ except FileNotFoundError:
+ return boot_opts_default
+ for line in config_text:
+ search_result = regex_filter.fullmatch(line)
+ if search_result:
+ search_dict = search_result.groupdict()
+ boot_opts = search_dict.get('boot_opts', '')
+ break
+
+ if not boot_opts:
+ boot_opts = boot_opts_default
+
+ return boot_opts
def set_default(version_name: str, root_dir: str = '') -> None:
"""Set version as default boot entry
Args:
- version_name (str): versio name
+ version_name (str): version name
root_dir (str, optional): an optional path to the root directory.
Defaults to empty.
"""
@@ -361,3 +399,18 @@ def set_console_speed(console_speed: str, root_dir: str = '') -> None:
vars_current: dict[str, str] = vars_read(vars_file)
vars_current['console_speed'] = str(console_speed)
vars_write(vars_file, vars_current)
+
+def set_kernel_cmdline_options(cmdline_options: str, version_name: str,
+ root_dir: str = '') -> None:
+ """Write additional cmdline options to GRUB configuration
+
+ Args:
+ cmdline_options (str): cmdline options to add to default boot line
+ version_name (str): image version name
+ root_dir (str, optional): an optional path to the root directory.
+ """
+ if not root_dir:
+ root_dir = disk.find_persistence()
+
+ version_add(version_name=version_name, root_dir=root_dir,
+ boot_opts_config=cmdline_options)
diff --git a/python/vyos/system/grub_util.py b/python/vyos/system/grub_util.py
index 9e79d41d4..4a3d8795e 100644
--- a/python/vyos/system/grub_util.py
+++ b/python/vyos/system/grub_util.py
@@ -13,7 +13,7 @@
# You should have received a copy of the GNU Lesser General Public License
# along with this library. If not, see <http://www.gnu.org/licenses/>.
-from vyos.system import disk, grub, compat
+from vyos.system import disk, grub, image, compat
@compat.grub_cfg_update
def set_console_speed(console_speed: str, root_dir: str = '') -> None:
@@ -29,6 +29,7 @@ def set_console_speed(console_speed: str, root_dir: str = '') -> None:
grub.set_console_speed(console_speed, root_dir)
+@image.if_not_live_boot
def update_console_speed(console_speed: str, root_dir: str = '') -> None:
"""Update console_speed if different from current value"""
@@ -40,3 +41,30 @@ def update_console_speed(console_speed: str, root_dir: str = '') -> None:
console_speed_current = vars_current.get('console_speed', None)
if console_speed != console_speed_current:
set_console_speed(console_speed, root_dir)
+
+@compat.grub_cfg_update
+def set_kernel_cmdline_options(cmdline_options: str, version: str = '',
+ root_dir: str = '') -> None:
+ """Write Kernel CLI cmdline options to GRUB configuration"""
+ if not root_dir:
+ root_dir = disk.find_persistence()
+
+ if not version:
+ version = image.get_running_image()
+
+ grub.set_kernel_cmdline_options(cmdline_options, version, root_dir)
+
+@image.if_not_live_boot
+def update_kernel_cmdline_options(cmdline_options: str,
+ root_dir: str = '') -> None:
+ """Update Kernel custom cmdline options"""
+ if not root_dir:
+ root_dir = disk.find_persistence()
+
+ version = image.get_running_image()
+
+ boot_opts_current = grub.get_boot_opts(version, root_dir)
+ boot_opts_proposed = grub.BOOT_OPTS_STEM + f'{version} {cmdline_options}'
+
+ if boot_opts_proposed != boot_opts_current:
+ set_kernel_cmdline_options(cmdline_options, version, root_dir)
diff --git a/python/vyos/system/image.py b/python/vyos/system/image.py
index 514275654..5460e6a36 100644
--- a/python/vyos/system/image.py
+++ b/python/vyos/system/image.py
@@ -1,4 +1,4 @@
-# Copyright 2023 VyOS maintainers and contributors <maintainers@vyos.io>
+# Copyright 2023-2024 VyOS maintainers and contributors <maintainers@vyos.io>
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
@@ -15,6 +15,7 @@
from pathlib import Path
from re import compile as re_compile
+from functools import wraps
from tempfile import TemporaryDirectory
from typing import TypedDict
@@ -262,6 +263,16 @@ def is_live_boot() -> bool:
return True
return False
+def if_not_live_boot(func):
+ """Decorator to call function only if not live boot"""
+ @wraps(func)
+ def wrapper(*args, **kwargs):
+ if not is_live_boot():
+ ret = func(*args, **kwargs)
+ return ret
+ return None
+ return wrapper
+
def is_running_as_container() -> bool:
if Path('/.dockerenv').exists():
return True
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-01 21:02:04 +0000