Marc S. Weidner
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Signed-off-by: Marc S. Weidner <msw@coresecret.dev>
115 lines
4.5 KiB
Bash
115 lines
4.5 KiB
Bash
#!/bin/bash
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# SPDX-Version: 3.0
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# SPDX-CreationInfo: 2025-06-17; WEIDNER, Marc S.; <msw@coresecret.dev>
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# SPDX-ExternalRef: GIT https://git.coresecret.dev/msw/CISS.debian.installer.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.installer
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# SPDX-Security-Contact: security@coresecret.eu
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guard_sourcing
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#######################################
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# Function that generates each partition on each device according to the chosen recipe string.
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# Globals:
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# HMP_PATH_PARTUUID
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# VAR_RECIPE_STRING
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# VAR_RECIPE_TABLE
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# VAR_SETUP_PART
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# Arguments:
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# None
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# Returns:
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# ERR_PARTITIONTBL
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# ERR_PART_CREATE
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# ERR_PART_READ
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# ERR_TABLE_CREATE
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# ERR_TABLE_DELETE
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# 0: on success
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#######################################
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partitioning() {
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### Declare Arrays and Variables.
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declare -Agx HMP_PATH_PARTUUID
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declare var_dev var_part var_end_arg var_begin var_end var_fs var_boot var_pri var_uuid var_mount_path
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declare -a ary_devs ary_parts
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### Iterate over all devices in the recipe.
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# shellcheck disable=SC2312
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readarray -t ary_devs < <(yq e -r ".recipe.${VAR_RECIPE_STRING}.dev | keys | .[]" "${VAR_SETUP_PART}")
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for var_dev in "${ary_devs[@]}"; do
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### All current data for the respective device will be deleted.
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if ! blkdiscard "/dev/${var_dev}"; then
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do_log "fatal" "file_only" "Partition table deletion '/dev/${var_dev}' failed."
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return "${ERR_TABLE_DELETE}"
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fi
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do_log "info" "file_only" "Partition table of '/dev/${var_dev}' discarded."
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case "${VAR_RECIPE_TABLE,,}" in
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gpt|mbr)
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if ! parted -s "/dev/${var_dev}" mklabel "${VAR_RECIPE_TABLE,,}"; then
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do_log "fatal" "false" "Partition table creation '/dev/${var_dev}' failed."
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return "${ERR_TABLE_CREATE}"
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fi
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do_log "info" "file_only" "Partition table '${VAR_RECIPE_TABLE}' of '/dev/${var_dev}' generated."
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;;
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*)
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do_log "fatal" "file_only" "No valid partition table chosen. String was '${VAR_RECIPE_TABLE}'."
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return "${ERR_PARTITIONTBL}"
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;;
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esac
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### Iterate over all partitions for this device.
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# shellcheck disable=SC2312
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readarray -t ary_parts < <(yq e -r ".recipe.${VAR_RECIPE_STRING}.dev.${var_dev} | keys | .[]" "${VAR_SETUP_PART}")
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for var_part in "${ary_parts[@]}"; do
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### Extract parameters from YAML.
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var_begin=$(yq_val ".recipe.${VAR_RECIPE_STRING}.dev.${var_dev}.${var_part}.begin" "${VAR_SETUP_PART}")
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var_end=$(yq_val ".recipe.${VAR_RECIPE_STRING}.dev.${var_dev}.${var_part}.end" "${VAR_SETUP_PART}")
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var_fs=$(yq_val ".recipe.${VAR_RECIPE_STRING}.dev.${var_dev}.${var_part}.filesystem.version" "${VAR_SETUP_PART}")
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var_boot=$(yq_val ".recipe.${VAR_RECIPE_STRING}.dev.${var_dev}.${var_part}.bootable" "${VAR_SETUP_PART}")
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var_pri=$(yq_val ".recipe.${VAR_RECIPE_STRING}.dev.${var_dev}.${var_part}.primary" "${VAR_SETUP_PART}")
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var_mount_path=$(yq_val ".recipe.${VAR_RECIPE_STRING}.dev.${var_dev}.${var_part}.mount.path" "${VAR_SETUP_PART}")
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### Generate partition.
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if [[ "${var_end}" == "-1" ]]; then
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var_end_arg="100%"
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else
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var_end_arg="${var_end}"
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fi
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if ! parted -s "/dev/${var_dev}" mkpart "${var_pri}" "${var_fs}" "${var_begin}" "${var_end_arg}"; then
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do_log "fatal" "file_only" "Partition creation '/dev/${var_dev}${var_part}' failed."
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return "${ERR_PART_CREATE}"
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fi
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do_log "info" "file_only" "Partition generated: '${var_part}' | on device '/dev/${var_dev}' | begin: '${var_begin}' | end: '${var_end_arg}'."
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### Set the bootable flag if necessary.
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if [[ "${var_boot,,}" == "true" ]]; then
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parted -s "/dev/${var_dev}" set "${var_part}" boot on
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do_log "info" "file_only" "Partition: '/dev/${var_dev}${var_part}' marked as bootable."
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fi
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### Store UUID of the partition.
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var_uuid=$(blkid -s UUID -o value "/dev/${var_dev}${var_part}")
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if [[ -z "${var_uuid}" ]]; then
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do_log "fatal" "file_only" "WARNING: could not read UUID for '/dev/${var_dev}${var_part}'."
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return "${ERR_PART_READ}"
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else
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HMP_PATH_PARTUUID["UUID_${var_mount_path}"]="${var_uuid}"
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fi
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done
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done
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return 0
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}
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# vim: number et ts=2 sw=2 sts=2 ai tw=128 ft=sh
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