diff options
Diffstat (limited to 'python/vyos/util.py')
| -rw-r--r-- | python/vyos/util.py | 23 |
1 files changed, 22 insertions, 1 deletions
diff --git a/python/vyos/util.py b/python/vyos/util.py index 6c20a865a..d27a8a3e7 100644 --- a/python/vyos/util.py +++ b/python/vyos/util.py @@ -243,7 +243,7 @@ def chown(path, user, group): # path may also be an open file descriptor if not isinstance(path, int) and not os.path.exists(path): return False - + uid = getpwnam(user).pw_uid gid = getgrnam(group).gr_gid os.chown(path, uid, gid) @@ -651,3 +651,24 @@ def get_bridge_member_config(conf, br, intf): conf.set_level(old_level) return memberconf + +def check_kmod(k_mod): + """ Common utility function to load required kernel modules on demand """ + 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') + +def find_device_file(device): + """ Recurively search /dev for the given device file and return its full path. + If no device file was found 'None' is returned """ + from fnmatch import fnmatch + + for root, dirs, files in os.walk('/dev'): + for basename in files: + if fnmatch(basename, device): + return os.path.join(root, basename) + + return None |