mirror of
https://github.com/suikan4github/kaiten-yaki.git
synced 2025-12-20 02:21:17 -03:00
332 lines
No EOL
12 KiB
Bash
332 lines
No EOL
12 KiB
Bash
#!/bin/bash -u
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# *******************************************************************************
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# Confirmation and Passphrase setting
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# *******************************************************************************
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function confirmation(){
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# Consistency check for the OVERWRITEINSTALL and ERASEALL
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if [ "${ERASEALL}" -ne 0 ] && [ "${OVERWRITEINSTALL}" -ne 0 ] ; then
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cat <<- HEREDOC
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***** ERROR : Confliction between ERASEALL and OVERWRITEINSTALL *****
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...ERASEALL = ${ERASEALL}
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...OVERWRITEINSTALL = ${OVERWRITEINSTALL}
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...Check configuration in your config.sh
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...Installation process terminated..
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HEREDOC
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return 1 # with error status
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fi
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# Sanity check for volume group name
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if echo "${VGNAME}" | grep "-" -i > /dev/null ; then # "-" is found in the volume group name.
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cat <<- HEREDOC
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***** ERROR : VGNAME is "${VGNAME}" *****
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..."-" is not allowed in the volume name.
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...Check configuration in your config.sh
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...Installation process terminated..
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HEREDOC
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return 1 # with error status
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fi # "-" is found in the volume group name.
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# Sanity check for root volume name
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if echo "${LVROOTNAME}" | grep "-" -i > /dev/null ; then # "-" is found in the volume name.
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cat <<- HEREDOC
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***** ERROR : LVROOTNAME is "${LVROOTNAME}" *****
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..."-" is not allowed in the volume name.
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...Check configuration in your config.sh
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...Installation process terminated..
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HEREDOC
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return 1 # with error status
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fi # "-" is found in the volume name.
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# Sanity check for swap volume name
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if echo "${LVSWAPNAME}" | grep "-" -i > /dev/null ; then # "-" is found in the volume name.
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cat <<- HEREDOC
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***** ERROR : LVSWAPNAME is "${LVSWAPNAME}" *****
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..."-" is not allowed in the volume name.
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...Check configuration in your config.sh
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...Installation process terminated..
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HEREDOC
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return 1 # with error status
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fi # "-" is found in the volume name.
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# For surre ask the your config.sh is edited
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cat <<- HEREDOC
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The destination logical volume label is "${LVROOTNAME}"
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"${LVROOTNAME}" uses ${LVROOTSIZE} of the LVM volume group.
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Are you sure to install? [Y/N]
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HEREDOC
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read -r YESNO
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if [ "${YESNO}" != "Y" ] && [ "${YESNO}" != "y" ] ; then
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cat <<- HEREDOC
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...Installation process terminated..
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HEREDOC
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return 1 # with error status
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fi # if YES
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# For sure ask to erase.
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if [ "${ERASEALL}" -ne 0 ] ; then
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echo "Are you sure you want to erase entire \"${DEV}\"? [Y/N]"
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read -r YESNO
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if [ "${YESNO}" != "Y" ] && [ "${YESNO}" != "y" ] ; then
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cat <<-HEREDOC
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...Check your config.sh. The variable ERASEALL is ${ERASEALL}.
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...Installation process terminated..
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HEREDOC
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return 1 # with error status
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fi # if YES
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fi # if erase all
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# For sure ask to overwrite.
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if [ "${OVERWRITEINSTALL}" -ne 0 ] ; then
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echo "Are you sure you want to overwrite \"${LVROOTNAME}\" in \"${VGNAME}\"? [Y/N]"
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read -r YESNO
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if [ "${YESNO}" != "Y" ] && [ "${YESNO}" != "y" ] ; then
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cat <<-HEREDOC
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...Check your config.sh. The variable OVERWRITEINSTALL is ${OVERWRITEINSTALL}.
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...Installation process terminated..
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HEREDOC
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return 1 # with error status
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fi # if YES
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fi # if overwrite
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# ----- Set Passphrase -----
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# Input passphrase
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echo ""
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echo "Type passphrase for the disk encryption."
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read -sr PASSPHRASE
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export PASSPHRASE
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echo "Type passphrase again, to confirm."
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read -sr PASSPHRASE_C
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# Validate whether both are indentical or not
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if [ "${PASSPHRASE}" != "${PASSPHRASE_C}" ] ; then
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cat <<-HEREDOC
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***** ERROR : Passphrase doesn't match *****
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...Installation process terminated..
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HEREDOC
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return 1 # with error status
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fi # passphrase validation
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# succesfull return
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return 0
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}
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# *******************************************************************************
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# Pre-install stage
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# *******************************************************************************
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function pre_install() {
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# ----- Erase entire disk, create partitions, format them and encrypt the LUKS partition -----
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if [ "${ERASEALL}" -ne 0 ] ; then
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# Assign specified space and rest of disk to the EFI and LUKS partition, respectively.
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if [ "${ISEFI}" -ne 0 ] ; then # EFI
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# Zap existing partition table and create new GPT
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echo "...Initializing \"${DEV}\" with GPT."
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sgdisk --zap-all "${DEV}"
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# Create EFI partition and format it
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echo "...Creating an EFI partition on \"${DEV}\"."
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# shellcheck disable=SC2140
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sgdisk --new="${EFIPARTITION}":0:+"${EFISIZE}" --change-name="${EFIPARTITION}":"EFI System" --typecode="${EFIPARTITION}":ef00 "${DEV}"
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echo "...Formatting the EFI parttion."
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mkfs.vfat -F 32 -n EFI-SP "${DEV}${EFIPARTITION}"
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# Create Linux partition
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echo "...Creating a Linux partition on ${DEV}."
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# shellcheck disable=SC2140
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sgdisk --new="${CRYPTPARTITION}":0:0 --change-name="${CRYPTPARTITION}":"Linux LUKS" --typecode="${CRYPTPARTITION}":8309 "${DEV}"
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# Then print them
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sgdisk --print "${DEV}"
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else # BIOS
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# Zap existing partition table
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echo "...Erasing partition table of \"${DEV}\"."
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dd if=/dev/zero of="${DEV}" bs=512 count=1
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# Create MBR and allocate max storage for Linux partition
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echo "...Creating a Linux partition on ${DEV} with MBR."
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sfdisk "${DEV}" <<- HEREDOC
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2M,,L
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HEREDOC
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fi # if EFI firmware
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# Encrypt the partition to install Linux
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echo "...Initializing \"${DEV}${CRYPTPARTITION}\" as crypt partition"
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printf %s "${PASSPHRASE}" | cryptsetup luksFormat --type=luks1 --key-file - --batch-mode "${DEV}${CRYPTPARTITION}"
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fi # if erase all
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# ----- Open the LUKS partition -----
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# Open the crypt partition.
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echo "...Opening a crypt partition \"${DEV}${CRYPTPARTITION}\" as \"${CRYPTPARTNAME}\""
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printf %s "${PASSPHRASE}" | cryptsetup open -d - "${DEV}${CRYPTPARTITION}" "${CRYPTPARTNAME}"
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# Check whether successful open. If mapped, it is successful.
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if [ ! -e /dev/mapper/"${CRYPTPARTNAME}" ] ; then
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cat <<- HEREDOC
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***** ERROR : Cannot open LUKS volume "${CRYPTPARTNAME}" on "${DEV}${CRYPTPARTITION}". *****
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...Check passphrase and your config.txt
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...Installation process terminated..
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HEREDOC
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return 1 # with error status
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fi # if crypt volume is unable to open
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# ----- Configure the LVM in LUKS volume -----
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# Check volume group ${VGNAME} exist or not
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if vgdisplay -s "${VGNAME}" &> /dev/null ; then # if exist
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echo "...Volume group \"${VGNAME}\" already exist. Skipped to create. No problem."
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echo "...Activating all logical volumes in volume group \"${VGNAME}\"."
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vgchange -ay
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echo "...Scanning all logical volumes."
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lvscan
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else
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echo "...Initializing a physical volume on \"${CRYPTPARTNAME}\""
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pvcreate /dev/mapper/"${CRYPTPARTNAME}"
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echo "...And then creating Volume group \"${VGNAME}\"."
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vgcreate "${VGNAME}" /dev/mapper/"${CRYPTPARTNAME}"
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fi # if /dev/volume-groupt exist
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# Create a SWAP Logical Volume on VG, if it doesn't exist
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if [ -e /dev/mapper/"${VGNAME}"-"${LVSWAPNAME}" ] ; then
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echo "...Swap volume already exist. Skipped to create. No problem."
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else
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echo "...Creating logical volume \"${LVSWAPNAME}\" on \"${VGNAME}\"."
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lvcreate -L "${LVSWAPSIZE}" -n "${LVSWAPNAME}" "${VGNAME}"
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fi # if /dev/mapper/swap volume already exit.
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# Create a ROOT Logical Volume on VG.
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if [ -e /dev/mapper/"${VGNAME}"-"${LVROOTNAME}" ] ; then # exist
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if [ "${OVERWRITEINSTALL}" -ne 0 ] ; then # exist and overwrite install
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echo "...Logical volume \"${VGNAME}-${LVROOTNAME}\" already exists. OK."
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else # exist and not overwriteinstall
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cat <<- HEREDOC
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***** ERROR : Logical volume "${VGNAME}-${LVROOTNAME}" already exists. *****
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...Check LVROOTNAME environment variable in your config.txt.
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HEREDOC
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# Deactivate all lg and close the LUKS volume
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deactivate_and_close
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return 1 # with error status
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fi
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else # not exsit
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if [ "${OVERWRITEINSTALL}" -ne 0 ] ; then
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cat <<- HEREDOC
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***** ERROR : Logical volume "${VGNAME}-${LVROOTNAME}" doesn't exist while overwrite install. *****
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...Check consistency of your config.txt.
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HEREDOC
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# Deactivate all lg and close the LUKS volume
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deactivate_and_close
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return 1 # with error status
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else # not exist and not overwrite install
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echo "...Creating logical volume \"${LVROOTNAME}\" on \"${VGNAME}\"."
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lvcreate -l "${LVROOTSIZE}" -n "${LVROOTNAME}" "${VGNAME}"
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fi
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fi
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# successful return
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return 0
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}
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# *******************************************************************************
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# Common message in para-install stage
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# *******************************************************************************
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function para_install_msg() {
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cat <<- HEREDOC
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******************************************************************************
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The pre-install process is done. We are ready to install the Linux to the
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target storage device. By pressing return key, GUI/TUI installer starts.
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Please pay attention to the partition/logical volume mapping configuration.
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In this installation, you have to map the previously created partitions/logical
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volumes to the appropriate directories of the target system as followings :
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HEREDOC
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# In the EFI system, add this mapping
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if [ "${ISEFI}" -ne 0 ] ; then
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echo "/boot/efi : ${DEV}${EFIPARTITION}"
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fi
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# Root volume mapping
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echo "/ : /dev/mapper/${VGNAME}-${LVROOTNAME}"
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# In case of erased storage, add this mapping
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if [ "${ERASEALL}" -ne 0 ] ; then
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echo "swap : /dev/mapper/${VGNAME}-${LVSWAPNAME}"
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fi
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return 0
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}
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# *******************************************************************************
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# Deactivate all LV in the VG and close LUKS volume
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# *******************************************************************************
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function deactivate_and_close(){
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echo "...Deactivating all logical volumes in volume group \"${VGNAME}\"."
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vgchange -a n "${VGNAME}"
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echo "...Closing LUKS volume \"${CRYPTPARTNAME}\"."
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cryptsetup close "${CRYPTPARTNAME}"
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cat <<- HEREDOC
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...Installation process terminated..
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HEREDOC
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}
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# *******************************************************************************
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# Delete the nwe volume if overwrite install, and close all
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# *******************************************************************************
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function on_unexpected_installer_quit(){
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echo "***** ERROR : The GUI/TUI installer terminated unexpectedly. *****"
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if [ "${OVERWRITEINSTALL}" -eq 0 ] ; then # If not over install, volume is new. So delete it
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echo "...Deleting the new logical volume \"${VGNAME}-${LVROOTNAME}\"."
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lvremove -f /dev/mapper/"${VGNAME}"-"${LVROOTNAME}"
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fi
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# Deactivate all lg and close the LUKS volume
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deactivate_and_close
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echo "...The new logical volume has been deleted. You can retry Kaiten-yaki again."
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}
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# *******************************************************************************
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# Check whether given signaure is in the system information
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# *******************************************************************************
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function distribution_check(){
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if ! uname -a | grep "${DISTRIBUTIONSIGNATURE}" -i > /dev/null ; then # Signature is not found in the OS name.
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echo "*******************************************************************************"
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uname -a
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cat <<- HEREDOC
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*******************************************************************************
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This system seems to be not $DISTRIBUTIONNAME, while this script is dediated to the $DISTRIBUTIONNAME.
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Are you sure you want to run this script? [Y/N]
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HEREDOC
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read -r YESNO
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if [ "${YESNO}" != "Y" ] && [ "${YESNO}" != "y" ] ; then
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cat <<- HEREDOC
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...Installation process terminated..
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HEREDOC
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return 1 # with error status
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fi # if YES
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fi # Distribution check
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# no error
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return 0
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} |