ddf4478ea9
- Add functions for appending kernel parameters to the Boot Loader Specification (BLS) as needed. Signed-off-by: Renata Ravanelli <rravanel@redhat.com>
34 lines
1.2 KiB
Python
34 lines
1.2 KiB
Python
"""
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Function for appending parameters to
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Boot Loader Specification (BLS).
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"""
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import glob
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from typing import List
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def options_append(root_path: str, kernel_arguments: List[str]) -> None:
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"""
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Add kernel arguments to the Boot Loader Specification (BLS) configuration files.
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There is unlikely to be more than one BLS config, but just in case, we'll iterate over them.
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Parameters
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----------
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root_path (str): The root path for locating BLS configuration files.
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kernel_arguments (list): A list of kernel arguments to be added.
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"""
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bls_glob = f"{root_path}/loader/entries/*.conf"
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bls_conf_files = glob.glob(bls_glob)
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if len(bls_conf_files) == 0:
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raise RuntimeError(f"no BLS configuration found in {bls_glob}")
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for entry in bls_conf_files:
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# Read in the file and then append to the options line.
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with open(entry, encoding="utf8") as f:
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lines = f.read().splitlines()
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with open(entry, "w", encoding="utf8") as f:
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for line in lines:
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if line.startswith('options '):
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f.write(f"{line} {' '.join(kernel_arguments)}\n")
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else:
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f.write(f"{line}\n")
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