Marc S. Weidner
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Signed-off-by: Marc S. Weidner <msw@coresecret.dev>
74 lines
2.2 KiB
Bash
74 lines
2.2 KiB
Bash
#!/bin/bash
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# SPDX-Version: 3.0
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# SPDX-CreationInfo: 2025-05-05; WEIDNER, Marc S.; <msw@coresecret.dev>
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# SPDX-ExternalRef: GIT https://git.coresecret.dev/msw/CISS.debian.live.builder.git
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# SPDX-FileContributor: WEIDNER, Marc S.; Centurion Intelligence Consulting Agency
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# SPDX-FileCopyrightText: 2024-2025; WEIDNER, Marc S.; <msw@coresecret.dev>
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# SPDX-FileType: SOURCE
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# SPDX-License-Identifier: EUPL-1.2 OR LicenseRef-CCLA-1.0
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# SPDX-LicenseComment: This file is part of the CISS.debian.installer.secure framework.
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# SPDX-PackageName: CISS.debian.live.builder
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# SPDX-Security-Contact: security@coresecret.eu
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guard_sourcing
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#######################################
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# Check and setup Script Priorities
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# Globals:
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# BASH_SOURCE
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# VAR_HANDLER_PRIORITY
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# VAR_REIONICE_CLASS
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# VAR_REIONICE_PRIORITY
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# Arguments:
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# None
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# Returns:
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# 0: on success
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#######################################
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arg_priority_check() {
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declare var=""
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printf "\e[95m++++ ++++ ++++ ++++ ++++ ++++ ++ 🧪 %s starting ... \e[0m\n" "${BASH_SOURCE[0]}"
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### Check if nice PRIORITY is set and adjust nice priority.
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if [[ "${VAR_HANDLER_PRIORITY:-}" -ne 0 ]]; then
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if command -v renice >/dev/null; then
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renice "${VAR_HANDLER_PRIORITY}" -p "$$"
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var=$(ps -o ni= -p $$) > /dev/null 2>&1
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printf "\e[92m++++ ++++ ++++ ++++ ++++ ++++ ++ ✅ New renice value: %s\e[0m\n" "${var}"
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else
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printf "\e[93m++++ ++++ ++++ ++++ ++++ ++++ ++ ❌ renice not installed (util-linux) \e[0m\n"
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fi
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fi
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### Check if ionice PRIORITY is set and adjust ionice priority.
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if [[ "${VAR_REIONICE_CLASS:-}" -ne 2 ]]; then
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if command -v ionice >/dev/null; then
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ionice -c"${VAR_REIONICE_CLASS:-2}" -n"${VAR_REIONICE_PRIORITY:-4}" -p "$$"
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var=$(ionice -p $$) > /dev/null 2>&1
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printf "\e[92m++++ ++++ ++++ ++++ ++++ ++++ ++ ✅ New ionice value: %s\e[0m\n" "${var}"
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else
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printf "\e[93m++++ ++++ ++++ ++++ ++++ ++++ ++ ❌ ionice not installed (util-linux) \e[0m\n"
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fi
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fi
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printf "\e[92m++++ ++++ ++++ ++++ ++++ ++++ ++ ✅ %s successfully applied. \e[0m\n" "${BASH_SOURCE[0]}"
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return 0
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}
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### Prevents accidental 'unset -f'.
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# shellcheck disable=SC2034
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readonly -f arg_priority_check
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# vim: number et ts=2 sw=2 sts=2 ai tw=128 ft=sh
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