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#!/usr/bin/env python3
#
# Copyright (C) VyOS Inc.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2 or later as
# published by the Free Software Foundation.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
import sys
import re
import typing
import tabulate
import vyos.opmode
from vyos.utils.activate import get_activation_scripts
from vyos.utils.activate import set_activation as util_activate
from vyos.utils.activate import get_activation
from vyos.utils.activate import ActiveOpt
from vyos.utils.io import ask_yes_no
from vyos.base import Warning as Warn
def _get_raw_data() -> dict:
return get_activation_scripts()
def _split_name(name: str) -> tuple[str, str]:
# script names are guaranteed to have this format by construction:
# cf. scripts/generate-activation-scripts-json.py
match = re.match(r'(\d+)\-(.+)', name)
if match is None:
return '0', '_'
prio, base_name = match.groups()
return prio, base_name
def _find_full_name(name: str) -> typing.Optional[str]:
script_names = list(_get_raw_data())
result = list(filter(lambda s: s.endswith(name), script_names))
return result[0] if result else None
def show_list(raw: bool) -> typing.Optional[list]:
scripts = _get_raw_data()
data = []
for key in scripts.keys():
_, name = _split_name(key)
data.append(name)
if raw:
return data
print(*data)
return None
def show_opts(raw: bool) -> typing.Optional[list]:
opts = list(typing.get_args(ActiveOpt))
if raw:
return opts
print(*opts)
return None
def _format_scripts(scripts: dict):
headers = ['name', 'activate on reboot', 'priority']
data = []
for key in scripts.keys():
prio, name = _split_name(key)
value = scripts[key]
data.append([name, value, prio])
print('Activation units:')
print(tabulate.tabulate(data, headers))
def show(raw: bool):
activation_dict = _get_raw_data()
if raw:
return activation_dict
return _format_scripts(activation_dict)
def set_active(name: str, value: ActiveOpt, no_prompt: bool = False):
PROMPT_ENABLED = f'This will set {name} active on subsequent reboots. Proceed ?'
PROMPT_ONCE = f'This will set {name} active only for the next reboot. Proceed ?'
PROMPT_OFF = f'This will set {name} inactive. Proceed ?'
UNCHANGED = f'{name} is already set to {value}'
UNKNOWN = 'None such'
full_name = _find_full_name(name)
if not full_name:
Warn(f'No activation unit {name}')
return
state = get_activation(full_name)
if state == 'never':
Warn(f'{name} has been set to \'never\' and should not be reset')
return
if value == state:
print(UNCHANGED)
return
if value not in list(typing.get_args(ActiveOpt)):
Warn(f'No such value {value}')
return
match value:
case 'enabled':
message = PROMPT_ENABLED
case 'once':
message = PROMPT_ONCE
case 'off':
message = PROMPT_OFF
case _:
# not reached
message = UNKNOWN
if no_prompt or ask_yes_no(message, default=True):
util_activate(full_name, value)
if __name__ == '__main__':
try:
res = vyos.opmode.run(sys.modules[__name__])
if res:
print(res)
except (ValueError, vyos.opmode.Error) as e:
print(e)
sys.exit(1)
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