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Diffstat (limited to 'python/vyos/utils/kernel.py')
| -rw-r--r-- | python/vyos/utils/kernel.py | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/python/vyos/utils/kernel.py b/python/vyos/utils/kernel.py new file mode 100644 index 000000000..d950b8e75 --- /dev/null +++ b/python/vyos/utils/kernel.py @@ -0,0 +1,25 @@ +# Copyright 2023 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 +# License as published by the Free Software Foundation; either +# version 2.1 of the License, or (at your option) any later version. +# +# This library 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 +# Lesser General Public License for more details. +# +# 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/>. + +def check_kmod(k_mod): + """ Common utility function to load required kernel modules on demand """ + from vyos import ConfigError + from vyos.utils.process import call + if isinstance(k_mod, str): + k_mod = k_mod.split() + for module in k_mod: + if not os.path.exists(f'/sys/module/{module}'): + if call(f'modprobe {module}') != 0: + raise ConfigError(f'Loading Kernel module {module} failed') |