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debianzfs.sh
200
debianzfs.sh
@ -7,91 +7,91 @@
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### Functions ###
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### Functions ###
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#################
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#################
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function usage () {
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function usage () {
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echo "Usage: ./$(basename "$0") [-mpPr] <DISK> [hostname]"
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echo "Usage: ./$(basename "$0") [-mpPr] <DISK> [hostname]"
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}
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}
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function disk_check () {
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function disk_check () {
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DISK_TYPE=$(file "$1" | awk '{ print $2$3 }')
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DISK_TYPE=$(file "$1" | awk '{ print $2$3 }')
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if [ "$DISK_TYPE" != "blockspecial" ]; then
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if [ "$DISK_TYPE" != "blockspecial" ]; then
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echo "ERROR: Disk '$1' is not a block device"
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echo "ERROR: Disk '$1' is not a block device"
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exit 1
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exit 1
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fi
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fi
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}
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}
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function disk_status () {
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function disk_status () {
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OUTPUT=$(wipefs "$1")
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OUTPUT=$(wipefs "$1")
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if [ -n "$OUTPUT" ]; then
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if [ -n "$OUTPUT" ]; then
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echo "ERROR: $1 is not empty"
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echo "ERROR: $1 is not empty"
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echo "$OUTPUT"
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echo "$OUTPUT"
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exit 1
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exit 1
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fi
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fi
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}
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}
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function password_prompt () {
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function password_prompt () {
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unset PASSWORD_PROMPT_RESULT
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unset PASSWORD_PROMPT_RESULT
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while true; do
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while true; do
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read -r -s -p "${1}: " password
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read -r -s -p "${1}: " password
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echo ''
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echo ''
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read -r -s -p "${1} (confirm): " password_confirm
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read -r -s -p "${1} (confirm): " password_confirm
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echo ''
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echo ''
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if [ "$password" == "$password_confirm" ]; then
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if [ "$password" == "$password_confirm" ]; then
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if [ -z "$password" ]; then
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if [ -z "$password" ]; then
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echo "Password can not be empty, try again."
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echo "Password can not be empty, try again."
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else
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else
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break
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break
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fi
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fi
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else
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else
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echo "Passwords did not match, try again."
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echo "Passwords did not match, try again."
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fi
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fi
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done
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done
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PASSWORD_PROMPT_RESULT="$password"
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PASSWORD_PROMPT_RESULT="$password"
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export PASSWORD_PROMPT_RESULT
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export PASSWORD_PROMPT_RESULT
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}
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}
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function disk_format () {
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function disk_format () {
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sgdisk -n2:1M:+512M -t2:EF00 "$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 -n3:0:+1G -t3:BF01 "$1"
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sgdisk -n4:0:0 -t4:BF00 "$1"
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sgdisk -n4:0:0 -t4:BF00 "$1"
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}
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}
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function create_boot_pool () {
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function create_boot_pool () {
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zpool create -f \
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zpool create -f \
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-o ashift=12 \
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-o ashift=12 \
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-o autotrim=on -d \
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-o autotrim=on -d \
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-o cachefile=/etc/zfs/zpool.cache \
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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@async_destroy=enabled \
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-o feature@bookmarks=enabled \
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-o feature@bookmarks=enabled \
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-o feature@embedded_data=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@empty_bpobj=enabled \
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-o feature@enabled_txg=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@extensible_dataset=enabled \
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-o feature@filesystem_limits=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@hole_birth=enabled \
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-o feature@large_blocks=enabled \
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-o feature@large_blocks=enabled \
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-o feature@livelist=enabled \
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-o feature@livelist=enabled \
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-o feature@lz4_compress=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@spacemap_histogram=enabled \
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-o feature@zpool_checkpoint=enabled \
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-o feature@zpool_checkpoint=enabled \
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-O devices=off \
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-O devices=off \
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-O acltype=posixacl -O xattr=sa \
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-O acltype=posixacl -O xattr=sa \
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-O compression=lz4 \
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-O compression=lz4 \
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-O normalization=formD \
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-O normalization=formD \
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-O relatime=on \
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-O relatime=on \
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-O canmount=off -O mountpoint=/boot -R "$1" \
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-O canmount=off -O mountpoint=/boot -R "$1" \
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bpool "$2"
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bpool "$2"
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}
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}
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function create_root_pool () {
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function create_root_pool () {
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echo "$3" | zpool create -f \
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echo "$3" | zpool create -f \
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-o ashift=12 \
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-o ashift=12 \
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-o autotrim=on \
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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 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 acltype=posixacl -O xattr=sa -O dnodesize=auto \
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-O compression=lz4 \
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-O compression=lz4 \
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-O normalization=formD \
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-O normalization=formD \
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-O relatime=on \
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-O relatime=on \
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-O canmount=off -O mountpoint=/ -R "$1" \
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-O canmount=off -O mountpoint=/ -R "$1" \
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rpool "$2"
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rpool "$2"
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}
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}
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@ -104,15 +104,15 @@ CODENAME="bullseye"
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# Options
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# Options
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while getopts ':m:p:P:r:' OPTION; do
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while getopts ':m:p:P:r:' OPTION; do
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case "$OPTION" in
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case "$OPTION" in
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m) MIRROR="$OPTARG";;
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m) MIRROR="$OPTARG";;
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p) ROOTPW="$OPTARG";;
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p) ROOTPW="$OPTARG";;
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P) RPOOLPW="$OPTARG";;
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P) RPOOLPW="$OPTARG";;
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r) ZFSROOT="$OPTARG";;
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r) ZFSROOT="$OPTARG";;
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?)
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?)
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usage
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usage
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exit 1;;
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exit 1;;
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esac
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esac
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done
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done
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shift "$((OPTIND -1))"
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shift "$((OPTIND -1))"
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@ -124,37 +124,37 @@ ZFSHOST=$2
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[ -z "$ZFSROOT" ] && ZFSROOT="/mnt"
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[ -z "$ZFSROOT" ] && ZFSROOT="/mnt"
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if [ -z "$DISK" ]; then
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if [ -z "$DISK" ]; then
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echo "ERROR: DISK not set"
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echo "ERROR: DISK not set"
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usage
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usage
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exit 1
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exit 1
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fi
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fi
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if [ -z "$ZFSHOST" ]; then
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if [ -z "$ZFSHOST" ]; then
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echo "ERROR: HOSTNAME not set"
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echo "ERROR: HOSTNAME not set"
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usage
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usage
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exit 1
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exit 1
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fi
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fi
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if [ -z "$ROOTPW" ]; then
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if [ -z "$ROOTPW" ]; then
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password_prompt "Root Passphrase"
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password_prompt "Root Passphrase"
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ROOTPW="$PASSWORD_PROMPT_RESULT"
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ROOTPW="$PASSWORD_PROMPT_RESULT"
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unset PASSWORD_PROMPT_RESULT
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unset PASSWORD_PROMPT_RESULT
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fi
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fi
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if [ -z "$RPOOLPW" ]; then
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if [ -z "$RPOOLPW" ]; then
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password_prompt "ZFS Encryption Passphrase"
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password_prompt "ZFS Encryption Passphrase"
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RPOOLPW="$PASSWORD_PROMPT_RESULT"
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RPOOLPW="$PASSWORD_PROMPT_RESULT"
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unset PASSWORD_PROMPT_RESULT
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unset PASSWORD_PROMPT_RESULT
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fi
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fi
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if [ "$DEBUG" == "true" ]; then
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if [ "$DEBUG" == "true" ]; then
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echo "CODENAME=${CODENAME}"
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echo "CODENAME=${CODENAME}"
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echo "DISK=${DISK}"
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echo "DISK=${DISK}"
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echo "ZFSHOST=${ZFSHOST}"
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echo "ZFSHOST=${ZFSHOST}"
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echo "ZFSROOT=${ZFSROOT}"
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echo "ZFSROOT=${ZFSROOT}"
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echo "MIRROR=${MIRROR}"
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echo "MIRROR=${MIRROR}"
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echo "ROOTPW=${ROOTPW}"
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echo "ROOTPW=${ROOTPW}"
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echo "RPOOLPW=${RPOOLPW}"
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echo "RPOOLPW=${RPOOLPW}"
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fi
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fi
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# Display commands
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# Display commands
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@ -165,8 +165,8 @@ set -x
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disk_check "$DISK"
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disk_check "$DISK"
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disk_status "$DISK"
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disk_status "$DISK"
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if [ -n "$MIRROR" ]; then
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if [ -n "$MIRROR" ]; then
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disk_check "$MIRROR"
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disk_check "$MIRROR"
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disk_status "$MIRROR"
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disk_status "$MIRROR"
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fi
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fi
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###############################################
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###############################################
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@ -202,16 +202,16 @@ disk_format "$DISK"
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# 4. Create the boot pool
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# 4. Create the boot pool
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if [ -z "$MIRROR" ]; then
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if [ -z "$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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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 ${MIRROR}3"
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fi
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fi
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# 5. Create the root pool
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# 5. Create the root pool
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if [ -z "$MIRROR" ]; then
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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" "$RPOOLPW"
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else
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else
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create_root_pool "$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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fi
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###################################
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###################################
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@ -432,7 +432,7 @@ CHROOT
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# 3. Run these commands in the LiveCD environment to unmount all filesystems
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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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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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# 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 import -f rpool, then exit in the initamfs prompt
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