104 lines
4.7 KiB
Bash
104 lines
4.7 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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#######################################
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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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# ERR_PARTITIONTBL
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# ERR_READ_PARTTBL
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# HMP_UUID_PARTITION
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# 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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#######################################
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partitioning() {
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### Declare Arrays and Variables.
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declare -Ag HMP_UUID_PARTITION
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declare var_dev var_part var_begin var_end var_fs var_boot var_pri var_uuid
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### Iterate over all devices in the recipe.
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for var_dev in $(yq e ".recipe.${VAR_RECIPE_STRING}.dev | keys | .[]" "${VAR_SETUP_PART}"); do
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### All current data for the respective device will be deleted.
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blkdiscard "/dev/${var_dev}" \
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|| { do_log "fatal" "false" "Partition table deletion '/dev/${var_dev}' failed."; exit "${ERR_READ_PARTTBL}"; }
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do_log "info" "false" "Partition table of '/dev/${var_dev}' discarded."
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if [[ "${VAR_RECIPE_TABLE}" == "gpt" ]]; then
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parted -s "/dev/${var_dev}" mklabel gpt \
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|| { do_log "fatal" "false" "Partition table creation '/dev/${var_dev}' failed."; exit "${ERR_READ_PARTTBL}"; }
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do_log "info" "false" "Partition table '${VAR_RECIPE_TABLE}' of '/dev/${var_dev}' generated."
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elif [[ "${VAR_RECIPE_TABLE}" == "mbr" ]]; then
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parted -s "/dev/${var_dev}" mklabel mbr \
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|| { do_log "fatal" "false" "Partition table creation '/dev/${var_dev}' failed."; exit "${ERR_READ_PARTTBL}"; }
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do_log "info" "false" "Partition table '${VAR_RECIPE_TABLE}' of '/dev/${var_dev}' generated."
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else
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do_log "fatal" "false" "No valid partition table chosen. String was '${VAR_RECIPE_TABLE}'."
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exit "${ERR_PARTITIONTBL}"
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fi
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### Iterate over all partitions for this device.
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for var_part in $(yq e ".recipe.${VAR_RECIPE_STRING}.dev.${var_dev} | keys | .[]" "${VAR_SETUP_PART}"); do
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### Extract parameters from YAML.
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var_begin=$(yq e ".recipe.${VAR_RECIPE_STRING}.dev.${var_dev}.${var_part}.begin" "${VAR_SETUP_PART}")
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var_end=$(yq e ".recipe.${VAR_RECIPE_STRING}.dev.${var_dev}.${var_part}.end" "${VAR_SETUP_PART}")
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var_fs=$(yq e ".recipe.${VAR_RECIPE_STRING}.dev.${var_dev}.${var_part}.filesystem.version" "${VAR_SETUP_PART}")
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var_boot=$(yq e ".recipe.${VAR_RECIPE_STRING}.dev.${var_dev}.${var_part}.bootable" "${VAR_SETUP_PART}")
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var_pri=$(yq e ".recipe.${VAR_RECIPE_STRING}.dev.${var_dev}.${var_part}.primary" "${VAR_SETUP_PART}")
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### Generate partition.
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if [[ "${var_end}" == "-1" ]]; then
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parted -s /dev/"${var_dev}" mkpart "${var_pri}" "${var_fs}" "${var_begin}" "100%" \
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|| { do_log "fatal" "false" "Partition creation '/dev/${var_dev}${var_part}' failed."; exit "${ERR_READ_PARTTBL}"; }
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do_log "info" "false" "Partition generated: '${var_part}' | on device '/dev/${var_dev}' | begin: '${var_begin}' | end: 100 % of remaining disk."
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else
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parted -s /dev/"${var_dev}" mkpart "${var_pri}" "${var_fs}" "${var_begin}" "${var_end}" \
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|| { do_log "fatal" "false" "Partition creation '/dev/${var_dev}${var_part}' failed."; exit "${ERR_READ_PARTTBL}"; }
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do_log "info" "false" "Partition generated: '${var_part}' | on device '/dev/${var_dev}' | begin: '${var_begin}' | end: '${var_end}'."
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fi
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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 "${var_part}" boot on
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do_log "info" "false" "Partition: '/dev/${var_dev}${var_part}' marked as bootable."
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fi
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### Read UUID of the newly created partition
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var_uuid=$(blkid -s UUID -o value "/dev/${var_dev}${var_part}")
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if [[ -z "${var_uuid}" ]]; then
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do_log "fatal" "false" "WARNING: could not read UUID for '/dev/${var_dev}${var_part}'."
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exit "${ERR_READ_PARTTBL}"
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else
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### Store UUID in an associative array.
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HMP_UUID_PARTITION["UUID_${var_dev}${var_part}"]="${var_uuid}"
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do_log "info" "false" "Saved in HashMap HMP_UUID_PARTITION: 'UUID_${var_dev}${var_part}' -> '${var_uuid}'."
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fi
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done
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done
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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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