Refactored script

Add config.txt confirmation
Erase all check is moved to before passphrase
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This commit is contained in:
Suikan 2021-06-29 06:14:43 +09:00
parent 28203ce0f4
commit 1ee412ee12
3 changed files with 67 additions and 53 deletions

View file

@ -8,48 +8,61 @@ if [ $sourced -eq 0 ] ; then
Execute as following :
source 1-pre-install.sh
Installation terminates.
Installation terminated.
HEREDOC
exit
fi
# ----- Set Passphrase -----
# Input passphrase
echo "Type passphrase for the disk encryption."
read -sr PASSPHRASE
echo "Type passphrase again, to confirm."
read -sr PASSPHRASE_C
# Validate whether both are indentical or not
if [ ${PASSPHRASE} = ${PASSPHRASE_C} ] ; then
export PASSPHRASE
else
cat <<HEREDOC 1>&2
***** ERROR : Passphrase doesn't match *****
Installation terminates.
HEREDOC
return
fi
exit # use "exit" instead of "return", if not "sourced" execusion
fi # "sourced" validation
# ----- Configuration Parameter -----
# Load the configuration parameter
source config.sh
# ----- Format the disk and encrypt the LUKS partition -----
if [ ${ERASEALL} -eq 1 ] ; then
# For surre ask the config.sh is edited
echo "Did you edit config.sys? Are you ready to install? [Y/N]"
read YESNO
if [ YESNO != "Y" -a YESNO != "y" ] ; then
cat <<HEREDOC 1>&2
Installation terminated.
HEREDOC
return
fi # if YES
# For sure ask ready to erase.
if [ ${ERASEALL} -eq 1 ] ; then
echo "Are you sure you want to erase entire ${DEV}? [Y/N]"
read YESNO
if [ YESNO != "Y" -a YESNO != "y" ] ; then
cat <<HEREDOC 1>&2
Check config.sh. The ERASEALL is ${ERASEALL}.
Installation terminates.
Installation terminated.
HEREDOC
return
fi
fi # if YES
fi # if erase all
# ----- Set Passphrase -----
# Input passphrase
echo "Type passphrase for the disk encryption."
read -sr PASSPHRASE
export PASSPHRASE
echo "Type passphrase again, to confirm."
read -sr PASSPHRASE_C
# Validate whether both are indentical or not
if [ ${PASSPHRASE} != ${PASSPHRASE_C} ] ; then
cat <<HEREDOC 1>&2
***** ERROR : Passphrase doesn't match *****
Installation terminated.
HEREDOC
return
fi # passphrase validation
# ----- Erase entire disk, create partitions, format them and encrypt the LUKS partition -----
if [ ${ERASEALL} -eq 1 ] ; then
# Assign specified space and rest of disk to the EFI and LUKS partition, respectively.
if [ ${ISEFI} -eq 1 ] ; then
@ -69,29 +82,27 @@ HEREDOC
sfdisk ${DEV} <<HEREDOC
2M,,L
HEREDOC
fi
# if EFI firmware
fi # if EFI firmware
# Encrypt the partition to install Linux
printf %s "${PASSPHRASE}" | cryptsetup luksFormat --type=luks1 --key-file - --batch-mode "${DEV}${CRYPTPARTITION}"
fi
# if erase all
fi # if erase all
# ----- Open the LUKS partition -----
# Open the created crypt partition.
# Open the crypt partition.
printf %s "${PASSPHRASE}" | cryptsetup open -d - "${DEV}${CRYPTPARTITION}" ${CRYPTPARTNAME}
# Check whether successful open. If mapped, it is successful.
if [ ! -e /dev/mapper/${CRYPTPARTNAME} ] ; then
cat <<HEREDOC 1>&2
***** ERROR : Cannot open LUKS volume ${CRYPTPARTNAME} on ${DEV}${CRYPTPARTITION}. *****
Check the passphrase
Check passphrase and config.txt
Installation terminates.
Installation terminated.
HEREDOC
return
fi
fi # if crypt volume is unable to open
# ----- Configure the LVM in LUKS volume -----
# The swap volume and / volume is created here, based on the given parameters.
@ -100,25 +111,26 @@ pvcreate /dev/mapper/${CRYPTPARTNAME}
vgcreate ${VGNAME} /dev/mapper/${CRYPTPARTNAME}
# Create a SWAP Logical Volume on VG, if it doesn't exist
if [ ! -d /dev/mapper/${VGNAME}-${LVSWAPNAME} ] ; then
lvcreate -L ${LVSWAPSIZE} -n ${LVSWAPNAME} ${VGNAME}
else
if [ -d /dev/mapper/${VGNAME}-${LVSWAPNAME} ] ; then
echo "Swap volume already exist. Skipped to create" 1>&2
fi
else
lvcreate -L ${LVSWAPSIZE} -n ${LVSWAPNAME} ${VGNAME}
fi # if /dev/mapper/swap volume already exit.
# Create a ROOT Logical Volume on VG.
if [ ! -d /dev/mapper/${VGNAME}-${LVROOTNAME} ] ; then
lvcreate -l ${LVROOTSIZE} -n ${LVROOTNAME} ${VGNAME}
else
if [ -d /dev/mapper/${VGNAME}-${LVROOTNAME} ] ; then
cat <<HEREDOC 1>&2
***** ERROR : Logical volume ${VGNAME}-${LVROOTNAME} already exists. *****
Check LVROOTNAME environment variable.
Check LVROOTNAME environment variable in config.txt.
Installation terminates.
Installation terminated.
HEREDOC
return
fi
else
lvcreate -l ${LVROOTSIZE} -n ${LVROOTNAME} ${VGNAME}
fi # if the root volun already exist
# Finishing message
cat <<HEREDOC
1-pre-install.sh : Done. Next, run the Ubiquity installer.

View file

@ -8,10 +8,10 @@ if [ $sourced -eq 0 ] ; then
Execute as following :
source 2-para-install.sh
Installation terminates.
Installation terminated.
HEREDOC
exit
fi
exit # use "exit" instead of "return", if not "sourced" execusion
fi # "sourced" validation
# Check whether grub configuration file is ready to write
@ -20,14 +20,15 @@ if [ ! -e /target/etc/default/grub ] ; then
***** ERROR : The /target/etc/default/grub is not ready. *****
Perhaps, to early to execute this script.
Installation terminates.
Installation terminated.
HEREDOC
return
fi
fi # if grub file exists
# Make target GRUB aware to the crypt partition
echo "GRUB_ENABLE_CRYPTODISK=y" >> /target/etc/default/grub
# Finishing message
cat <<HEREDOC
2-para-install.sh : Done.

View file

@ -8,10 +8,10 @@ if [ $sourced -eq 0 ] ; then
Execute as following :
source 3-post-install.sh
Installation terminates.
Installation terminated.
HEREDOC
exit
fi
exit # use "exit" instead of "return", if not "sourced" execusion
fi # "sourced" validation
## Mount the target file system
# /target is created by the Ubiquity installer
@ -49,6 +49,7 @@ update-initramfs -uk all
exit
HEREDOC
# Finishing message
cat <<HEREDOC
3-pro-install.sh : Done. Ready to reboot.