mirror of
https://github.com/suikan4github/kaiten-yaki.git
synced 2025-12-20 02:21:17 -03:00
218 lines
No EOL
7.1 KiB
Bash
218 lines
No EOL
7.1 KiB
Bash
#!/bin/bash -u
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function main() {
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# Load configuration parameter
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source config.sh
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# Load functions
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source lib/confirmation.sh
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source lib/preinstall.sh
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source lib/parainstall_msg.sh
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# This is the mount point of the install target.
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export TARGETMOUNTPOINT="/target"
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# Distribution check
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if ! uname -a | grep ubuntu -i > /dev/null ; then # "Ubuntu" 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 Ubuntu, while this script is dediated to the Ubuntu.
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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 YESNO
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if [ ${YESNO} != "Y" -a ${YESNO} != "y" ] ; then
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cat <<- HEREDOC 1>&2
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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 # "Ubuntu" is not found in the OS name.
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# *******************************************************************************
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# Confirmation before installation
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# *******************************************************************************
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# Common part of the parameter confirmation
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if ! confirmation ; then
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return 1 # with error status
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fi
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# *******************************************************************************
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# Pre-install stage
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# *******************************************************************************
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# Common part of the pre-install stage
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if ! pre_install ; then
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return 1 # with error status
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fi
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# *******************************************************************************
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# Para-install stage
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# *******************************************************************************
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# Show common message to let the operator focus on the critical part
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parainstall_msg
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# Ubuntu dependent message
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cat <<- HEREDOC
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************************ CAUTION! CAUTION! CAUTION! ****************************
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Make sure to click "Continue Testing", at the end of the Ubiquity installer.
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Just exit the installer without rebooting. Other wise, your system
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is unable to boot.
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Type return key to start Ubiquity.
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HEREDOC
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# waitfor a console input
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read dummy_var
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# Start Ubiquity installer
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ubiquity &
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# Record the PID of the installer.
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export INSTALLER_PID=$!
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# Common part of the para-install.
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# Record the install PID, modify the /etc/default/grub of the target,
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# and then, wait for the end of sintaller.
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if ! grub_check_and_modify_ubuntu ; then
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return 1 # with error status
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fi
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# *******************************************************************************
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# Post-install stage
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# *******************************************************************************
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# Finalizing. Embedd encryption key into the ramfs image.
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post_install_ubuntu
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# Normal end
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return 0
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} # End of main()
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# *******************************************************************************
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# Ubuntu dependent post-installation process
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function post_install_ubuntu() {
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## Mount the target file system
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# ${TARGETMOUNTPOINT} is created by the GUI/TUI installer
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echo "...Mounting /dev/mapper/${VGNAME}-${LVROOTNAME} on ${TARGETMOUNTPOINT}."
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mount /dev/mapper/${VGNAME}-${LVROOTNAME} ${TARGETMOUNTPOINT}
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# And mount other directories
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echo "...Mounting all other dirs."
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for n in proc sys dev etc/resolv.conf; do mount --rbind "/$n" "${TARGETMOUNTPOINT}/$n"; done
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# Change root and create the keyfile and ramfs image for Linux kernel.
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echo "...Chroot to ${TARGETMOUNTPOINT}."
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cat <<- HEREDOC | chroot ${TARGETMOUNTPOINT} /bin/bash
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# Mount the rest of partitions by target /etc/fstab
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mount -a
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# Set up the kernel hook of encryption
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echo "...Installing cryptsetup-initramfs package."
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apt -qq install -y cryptsetup-initramfs
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# Prepare a key file to embed in to the ramfs.
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echo "...Prepairing key file."
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mkdir /etc/luks
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dd if=/dev/urandom of=/etc/luks/boot_os.keyfile bs=4096 count=1 status=none
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chmod u=rx,go-rwx /etc/luks
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chmod u=r,go-rwx /etc/luks/boot_os.keyfile
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# Add a key to the key file. Use the passphrase in the environment variable.
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echo "...Adding a key to the key file."
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printf %s "${PASSPHRASE}" | cryptsetup luksAddKey -d - "${DEV}${CRYPTPARTITION}" /etc/luks/boot_os.keyfile
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# Add the LUKS volume information to /etc/crypttab to decrypt by kernel.
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echo "...Adding LUKS volume info to /etc/crypttab."
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echo "${CRYPTPARTNAME} UUID=$(blkid -s UUID -o value ${DEV}${CRYPTPARTITION}) /etc/luks/boot_os.keyfile luks,discard" >> /etc/crypttab
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# Putting key file into the ramfs initial image
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echo "...Registering key file to the ramfs"
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echo "KEYFILE_PATTERN=/etc/luks/*.keyfile" >> /etc/cryptsetup-initramfs/conf-hook
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echo "UMASK=0077" >> /etc/initramfs-tools/initramfs.conf
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# Finally, update the ramfs initial image with the key file.
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echo "...Upadting initramfs."
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update-initramfs -uk all
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# Leave chroot
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HEREDOC
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# Unmount all
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echo "...Unmounting all."
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umount -R ${TARGETMOUNTPOINT}
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# Finishing message
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cat <<- HEREDOC
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****************** Post-install process finished ******************
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...Ready to reboot.
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HEREDOC
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retrun 0
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} # End of post_install_ubuntu()
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# *******************************************************************************
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# This function will be executed in the foreguround context, to watch the GUI installer.
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function grub_check_and_modify_ubuntu() {
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# While the /etc/default/grub in the install target is NOT existing, keep sleeping.
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# If installer terminated without file copy, this script also terminates.
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while [ ! -e ${TARGETMOUNTPOINT}/etc/default/grub ]
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do
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sleep 1 # 1sec.
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# Check if installer still exist
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if ! ps $INSTALLER_PID > /dev/null ; then # If not exists
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cat <<-HEREDOC 1>&2
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***** ERROR : The GUI/TUI installer terminated unexpectedly. *****
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...Deleting the new logical volume "${VGNAME}-${LVROOTNAME}".
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HEREDOC
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lvremove -f /dev/mapper/${VGNAME}-${LVROOTNAME}
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echo "...Deactivating all logical volumes in volume group \"${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 1>&2
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...The new logical volume has been deleted. You can retry Kaiten-yaki again.
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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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done # while
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# Perhaps, too neuvous. Wait 1 more sectond to avoid the rece condition.
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sleep 1 # 1sec.
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# Make target GRUB aware to the crypt partition
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# This must do it after start of the file copy by installer, but before the end of the file copy.
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echo "...Adding GRUB_ENABLE_CRYPTODISK entry to ${TARGETMOUNTPOINT}/etc/default/grub "
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echo "GRUB_ENABLE_CRYPTODISK=y" >> ${TARGETMOUNTPOINT}/etc/default/grub
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# And then, wait for the end of installer process
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echo "...Waiting for the end of GUI/TUI installer."
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echo "...Again, DO NOT reboot/restart here. Just exit the GUI/TUI installer."
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wait $INSTALLER_PID
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# succesfull return
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return 0
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} # grub_check_and_modify_ubuntu()
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# *******************************************************************************
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# Execute
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main |