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cef71d557a
| Author | SHA1 | Date | |
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| cef71d557a |
249
debianzfs.sh
249
debianzfs.sh
@ -7,102 +7,94 @@
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### Functions ###
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#################
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function usage () {
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echo "Usage: ./$(basename "$0") [-mpPr] <DISK> <HOSTNAME>"
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echo "Usage: ./$(basename "$0") [-mpPr] <DISK> <HOSTNAME>"
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}
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function disk_check () {
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DISK_TYPE=$(file "$1" | awk '{ print $2$3 }')
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if [ "$DISK_TYPE" != "blockspecial" ]; then
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echo "ERROR: Disk '$1' is not a block device"
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exit 1
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fi
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DISK_TYPE=$(file "$1" | awk '{ print $2$3 }')
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if [ "$DISK_TYPE" != "blockspecial" ]; then
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echo "ERROR: Disk '$1' is not a block device"
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exit 1
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fi
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}
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function disk_status () {
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OUTPUT=$(wipefs "$1")
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if [ -n "$OUTPUT" ]; then
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echo "ERROR: $1 is not empty"
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echo "$OUTPUT"
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exit 1
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fi
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OUTPUT=$(wipefs "$1")
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if [ -n "$OUTPUT" ]; then
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echo "ERROR: $1 is not empty"
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echo "$OUTPUT"
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exit 1
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fi
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}
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function password_prompt () {
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unset PASSWORD_PROMPT_RESULT
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while true; do
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read -r -s -p "${1}: " password
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echo ''
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read -r -s -p "${1} (confirm): " password_confirm
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echo ''
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if [ "$password" == "$password_confirm" ]; then
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if [ -z "$password" ]; then
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echo "Password can not be empty, try again."
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else
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break
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fi
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else
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echo "Passwords did not match, try again."
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fi
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done
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PASSWORD_PROMPT_RESULT="$password"
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export PASSWORD_PROMPT_RESULT
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unset PASSWORD_PROMPT_RESULT
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while true; do
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read -r -s -p "${1}: " password
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echo ''
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read -r -s -p "${1} (confirm): " password_confirm
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echo ''
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if [ "$password" == "$password_confirm" ]; then
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if [ -z "$password" ]; then
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echo "Password can not be empty, try again."
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else
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break
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fi
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else
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echo "Passwords did not match, try again."
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fi
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done
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PASSWORD_PROMPT_RESULT="$password"
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export PASSWORD_PROMPT_RESULT
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}
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function disk_format () {
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sgdisk -n2:1M:+512M -t2:EF00 "$1"
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sgdisk -n3:0:+1G -t3:BF01 "$1"
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sgdisk -n4:0:0 -t4:BF00 "$1"
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sgdisk -n2:1M:+512M -t2:EF00 "$1"
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sgdisk -n3:0:+1G -t3:BF01 "$1"
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sgdisk -n4:0:0 -t4:BF00 "$1"
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}
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function create_boot_pool () {
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zpool create -f \
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-o ashift=12 \
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-o autotrim=on -d \
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-o cachefile=/etc/zfs/zpool.cache \
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-o feature@async_destroy=enabled \
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-o feature@bookmarks=enabled \
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-o feature@embedded_data=enabled \
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-o feature@empty_bpobj=enabled \
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-o feature@enabled_txg=enabled \
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-o feature@extensible_dataset=enabled \
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-o feature@filesystem_limits=enabled \
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-o feature@hole_birth=enabled \
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-o feature@large_blocks=enabled \
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-o feature@livelist=enabled \
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-o feature@lz4_compress=enabled \
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-o feature@spacemap_histogram=enabled \
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-o feature@zpool_checkpoint=enabled \
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-O devices=off \
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-O acltype=posixacl -O xattr=sa \
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-O compression=lz4 \
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-O normalization=formD \
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-O relatime=on \
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-O canmount=off -O mountpoint=/boot -R "$1" \
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zpool create -f \
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-o ashift=12 \
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-o autotrim=on -d \
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-o cachefile=/etc/zfs/zpool.cache \
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-o feature@async_destroy=enabled \
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-o feature@bookmarks=enabled \
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-o feature@embedded_data=enabled \
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-o feature@empty_bpobj=enabled \
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-o feature@enabled_txg=enabled \
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-o feature@extensible_dataset=enabled \
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-o feature@filesystem_limits=enabled \
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-o feature@hole_birth=enabled \
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-o feature@large_blocks=enabled \
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-o feature@livelist=enabled \
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-o feature@lz4_compress=enabled \
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-o feature@spacemap_histogram=enabled \
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-o feature@zpool_checkpoint=enabled \
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-O devices=off \
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-O acltype=posixacl -O xattr=sa \
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-O compression=lz4 \
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-O normalization=formD \
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-O relatime=on \
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-O canmount=off -O mountpoint=/boot -R "$1" \
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bpool "$2"
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}
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function create_root_pool () {
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echo "$3" | zpool create -f \
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-o ashift=12 \
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-o autotrim=on \
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-O encryption=on -O keylocation=prompt -O keyformat=passphrase \
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-O acltype=posixacl -O xattr=sa -O dnodesize=auto \
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-O compression=lz4 \
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-O normalization=formD \
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-O relatime=on \
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-O canmount=off -O mountpoint=/ -R "$1" \
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echo "$3" | zpool create -f \
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-o ashift=12 \
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-o autotrim=on \
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-O encryption=on -O keylocation=prompt -O keyformat=passphrase \
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-O acltype=posixacl -O xattr=sa -O dnodesize=auto \
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-O compression=lz4 \
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-O normalization=formD \
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-O relatime=on \
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-O canmount=off -O mountpoint=/ -R "$1" \
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rpool "$2"
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}
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function mirror_grub () {
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umount /boot/efi
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dd if="${1}-part2" of="${2}-part2"
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efibootmgr -c -g -d "$2" -p 2 \
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-L "debian-${3}" -l '\EFI\debian\grubx64.efi'
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mount /boot/efi
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}
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################
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### Settings ###
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################
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@ -111,17 +103,16 @@ export DEBIAN_FRONTEND=noninteractive
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CODENAME="bullseye"
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# Options
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while getopts ':gm:p:P:r:' OPTION; do
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case "$OPTION" in
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g) GRUB_MIRROR="true";;
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m) MIRROR="$OPTARG";;
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p) ROOTPW="$OPTARG";;
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P) RPOOLPW="$OPTARG";;
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r) ZFSROOT="$OPTARG";;
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?)
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usage
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exit 1;;
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esac
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while getopts ':m:p:P:r:' OPTION; do
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case "$OPTION" in
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m) MIRROR="$OPTARG";;
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p) ROOTPW="$OPTARG";;
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P) RPOOLPW="$OPTARG";;
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r) ZFSROOT="$OPTARG";;
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?)
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usage
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exit 1;;
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esac
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done
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shift "$((OPTIND -1))"
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@ -129,59 +120,41 @@ shift "$((OPTIND -1))"
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DISK=$1
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ZFSHOST=$2
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# Post-boot grub mirror?
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if [ "$GRUB_MIRROR" == "true" ]; then
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while true; do
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echo -e "ORIGINAL GRUB: $DISK\nMIRROR TO: $MIRROR"
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read -r -p "Would you like to mirror GRUB? [y/N]: " yn
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case $yn in
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[Yy]*)
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disk_check "$DISK"
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disk_check "$MIRROR"
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mirror_grub "$DISK" "$MIRROR" 2
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exit 0;;
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?)
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echo "ABORTED: User did not confirm mirroring"
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exit 1;;
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esac
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done
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fi
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# Verify variables
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[ -z "$ZFSROOT" ] && ZFSROOT="/mnt"
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if [ -z "$DISK" ]; then
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echo "ERROR: DISK not set"
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usage
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exit 1
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echo "ERROR: DISK not set"
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usage
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exit 1
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fi
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if [ -z "$ZFSHOST" ]; then
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echo "ERROR: HOSTNAME not set"
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usage
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exit 1
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echo "ERROR: HOSTNAME not set"
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usage
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exit 1
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fi
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if [ -z "$ROOTPW" ]; then
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password_prompt "Root Passphrase"
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ROOTPW="$PASSWORD_PROMPT_RESULT"
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unset PASSWORD_PROMPT_RESULT
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password_prompt "Root Passphrase"
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ROOTPW="$PASSWORD_PROMPT_RESULT"
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unset PASSWORD_PROMPT_RESULT
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fi
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if [ -z "$RPOOLPW" ]; then
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password_prompt "ZFS Encryption Passphrase"
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RPOOLPW="$PASSWORD_PROMPT_RESULT"
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unset PASSWORD_PROMPT_RESULT
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password_prompt "ZFS Encryption Passphrase"
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RPOOLPW="$PASSWORD_PROMPT_RESULT"
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unset PASSWORD_PROMPT_RESULT
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fi
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if [ "$DEBUG" == "true" ]; then
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echo "CODENAME=${CODENAME}"
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echo "DISK=${DISK}"
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echo "ZFSHOST=${ZFSHOST}"
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echo "ZFSROOT=${ZFSROOT}"
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echo "MIRROR=${MIRROR}"
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echo "ROOTPW=${ROOTPW}"
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echo "RPOOLPW=${RPOOLPW}"
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echo "CODENAME=${CODENAME}"
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echo "DISK=${DISK}"
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echo "ZFSHOST=${ZFSHOST}"
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echo "ZFSROOT=${ZFSROOT}"
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echo "MIRROR=${MIRROR}"
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echo "ROOTPW=${ROOTPW}"
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echo "RPOOLPW=${RPOOLPW}"
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fi
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# Are the DISK paths block devices? AND
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@ -189,8 +162,8 @@ fi
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disk_check "$DISK"
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disk_status "$DISK"
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if [ -n "$MIRROR" ]; then
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disk_check "$MIRROR"
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disk_status "$MIRROR"
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disk_check "$MIRROR"
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disk_status "$MIRROR"
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fi
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###############################################
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@ -229,16 +202,16 @@ disk_format "$DISK"
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# 4. Create the boot pool
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if [ -z "$MIRROR" ]; then
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create_boot_pool "$ZFSROOT" "${DISK}3"
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create_boot_pool "$ZFSROOT" "${DISK}3"
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else
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create_boot_pool "$ZFSROOT" "mirror ${DISK}3 ${MIRROR}3"
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create_boot_pool "$ZFSROOT" "mirror ${DISK}3 ${MIRROR}3"
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fi
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# 5. Create the root pool
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if [ -z "$MIRROR" ]; then
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create_root_pool "$ZFSROOT" "${DISK}4" "$RPOOLPW"
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create_root_pool "$ZFSROOT" "${DISK}4" "$RPOOLPW"
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else
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create_root_pool "$ZFSROOT" "mirror ${DISK}4 ${MIRROR}4" "$RPOOLPW"
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create_root_pool "$ZFSROOT" "mirror ${DISK}4 ${MIRROR}4" "$RPOOLPW"
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fi
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###################################
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@ -330,22 +303,6 @@ EOF
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# Copy DISK/MIRROR vars under ZFSROOT
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echo -e "DISK=${DISK}\nROOTPW=${ROOTPW}" > "$ZFSROOT/var/tmp/zfsenv"
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# Copy self and GRUB mirror helper script into chroot
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if [ -n "$MIRROR" ]; then
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cp "$0" "$ZFSROOT/usr/local/bin/debianzfs"
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chmod u+x "$ZFSROOT/usr/local/bin/debianzfs"
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DDIF=$(find /dev/disk/by-id -lname ../../"$(basename "$DISK")" | tail -n1)
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DDOF=$(find /dev/disk/by-id -lname ../../"$(basename "$MIRROR")" | tail -n1)
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HELPER_SCRIPT="/root/MIRROR_GRUB_POSTINSTALL.sh"
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cat <<-GRUBMIRROR > "${ZFSROOT}${HELPER_SCRIPT}"
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#!/bin/bash
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# Post-install GRUB mirror helper script
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/usr/local/bin/debianzfs \
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-gm $DDOF \
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$DDIF
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GRUBMIRROR
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fi
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# Bind
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mount --make-private --rbind /dev /mnt/dev
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mount --make-private --rbind /proc /mnt/proc
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@ -446,7 +403,7 @@ update-grub
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# 6. Install the boot loader
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# For UEFI booting, install GRUB to the ESP
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grub-install --target=x86_64-efi --efi-directory=/boot/efi \
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--bootloader-id=debian --recheck --no-floppy
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--bootloader-id=debian --recheck --no-floppy
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# 7. Fix filesystem mount ordering
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mkdir /etc/zfs/zfs-list.cache
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@ -475,11 +432,9 @@ CHROOT
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# 3. Run these commands in the LiveCD environment to unmount all filesystems
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mount | grep -v zfs | tac | awk '/\/mnt/ {print $3}' | \
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xargs -I{} umount -lf {}
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xargs -I{} umount -lf {}
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# 4. If this fails for rpool, mounting it on boot will fail and you will need to
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# zpool import -f rpool, then exit in the initamfs prompt
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zpool export -a || exit 0
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[ -n "$HELPER_SCRIPT" ] && \
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echo "NOTICE: A GRUB mirror helper script was placed at $HELPER_SCRIPT"
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exit 0
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