Loop through option lists for changing defaults and adding arguments for newly created functions

zfs/zfs-media-drive.sh

@@ -2,109 +2,93 @@
 set -euo pipefail
 
 # @TODO: Implement more soft-coding and interactivity to this script
-ZFS_KEY_LOC="file:///etc/zfs/keys/zroot.key"
+ZFS_POOL_NAME="media"
 ZFS_COMPAT="openzfs-2.1-linux"
+ZFS_KEY_LOC="file:///etc/zfs/keys/zroot.key"
 ZFS_KEY_FORMAT="passphrase"
 ZFS_COMPRESSION="zstd-3"
 
-if [ -z "$1" ]; then
+create_zpool () {
-	exit 1
-fi
-
-if [ -z "$3" ] && [ "$1" == "init" ]; then
-	ZFS_POOL_NAME="media"
-else
-	if [ "$1" == "init" ]; then
-		ZFS_POOL_NAME="$3"
-	fi
-fi
-
-if [ -z "$2" ] && [ "$1" == "init" ]; then
-	exit 1
-else
-	if [ "$1" == "init" ]; then
-		ZFS_TARGET_DRIVE="$2" # @NOTE typically, device name will be disk by-id and end with "-part1" given how it is to be used with other scripts
-	fi
-fi
-
-if [ "$1" == "init" ]; then
 	sudo zpool create \
 		-o ashift=12 \
 		-o autotrim=on \
-		-o compatibility="$ZFS_COMPAT" \
+		-o compatibility="$3" \
 		-O encryption=on \
-		-O keylocation="$ZFS_KEY_LOC" \
+		-O keylocation="$4" \
-		-O keyformat="$ZFS_KEY_FORMAT" \
+		-O keyformat="$5" \
 		-O acltype=posixacl \
 		-O xattr=sa \
 		-O dnodesize=auto \
-		-O compression="$ZFS_COMPRESSION" \
+		-O compression="$6" \
 		-O normalization=formD \
 		-O relatime=on \
 		-O canmount=off \
 		-O mountpoint=none \
-		"$ZFS_POOL_NAME" \
+		"$2" \
-		/dev/disk/by-id/"${ZFS_TARGET_DRIVE}"
+		/dev/disk/by-id/"${1}"
-elif [ "$1" == "ext" ]; then
+}
-	if [ -z "$2" ]; then
-		exit 1
-	else
-		ZFS_POOL_NAME="$2"
-	fi
 
-	ZFS_DATASET_OPTS="$3"
+create_datasets () {
-
+	DATASET=("${HOME}/Documents/.calibre" "${1}/LITERATURE")
-	shift 3
-
-	# @NOTE from this point on, @ must be list of arrays each containing two strings
-	for i in "$@"; do
-		mkdir -p "${i[0]}"
-		sudo zfs create "${ZFS_DATASET_OPTS}" -o mountpoint="${HOME}${i[0]}" "${ZFS_POOL_NAME}/${i[1]}"
-	done
-fi
-
-if [ -z "$4" ] && [ "$1" == "init" ]; then
-	DATASET=("${HOME}/Documents/.calibre" "${ZFS_POOL_NAME}/LITERATURE")
 	mkdir -p "${DATASET[0]}"
 	sudo zfs create -o mountpoint="${DATASET[0]}" "${DATASET[1]}"
 
-	DATASET=("${HOME}/Videos" "${ZFS_POOL_NAME}/FILM")
+	DATASET=("${HOME}/Videos" "${1}/FILM")
 	mkdir -p "${DATASET[0]}"
 	sudo zfs create -o mountpoint="${DATASET[0]}" "${DATASET[1]}"
 
-	DATASET=("${HOME}/.var/app/com.valvesoftware.Steam" "${ZFS_POOL_NAME}/STEAMGAMES")
+	DATASET=("${HOME}/.var/app/com.valvesoftware.Steam" "${1}/STEAMGAMES")
 	mkdir -p "${DATASET[0]}"
 	sudo zfs create -o mountpoint="${DATASET[0]}" "${DATASET[1]}"
 
-	DATASET=("${HOME}/.var/app/org.libretro.RetroArch" "${ZFS_POOL_NAME}/RARCHGAMES")
+	DATASET=("${HOME}/.var/app/org.libretro.RetroArch" "${1}/RARCHGAMES")
 	mkdir -p "${DATASET[0]}"
 	sudo zfs create -o mountpoint="${DATASET[0]}" "${DATASET[1]}"
 
-	DATASET=("${HOME}/Games" "${ZFS_POOL_NAME}/GAMES")
+	DATASET=("${HOME}/Games" "${1}/GAMES")
 	mkdir -p "${DATASET[0]}"
 	sudo zfs create -o mountpoint="${DATASET[0]}" "${DATASET[1]}"
 	ln -s "${HOME}/.var/app/com.valvesoftware.Steam" "${DATASET[0]}/Steam"
 	ln -s "${HOME}/.var/app/org.libretro.RetroArch" "${DATASET[0]}/libRetro"
 
-	DATASET=("${HOME}/.var/app/org.libretro.RetroArch" "${ZFS_POOL_NAME}/RARCHGAMES")
+	DATASET=("${HOME}/.var/app/org.libretro.RetroArch" "${1}/RARCHGAMES")
 	mkdir -p "${DATASET[0]}"
 	sudo zfs create -o mountpoint="${DATASET[0]}" "${DATASET[1]}"
 
-	DATASET=("${HOME}/.XXX" "${ZFS_POOL_NAME}/XXX")
+	DATASET=("${HOME}/.XXX" "${1}/XXX")
 	mkdir -p "${DATASET[0]}"
 	sudo zfs create -o keylocation=prompt -o keyformat=passphrase -o mountpoint="${DATASET[0]}" "${DATASET[1]}"
-else
+}
-	if [ "$1" == "init" ]; then
-		ZFS_DATASET_OPTS="$4"
 
-		shift 4
+print_menu () {
+	echo "Placeholder content"
+}
 
-		# @NOTE from this point on, @ must be list of arrays each containing two strings
+while getopts "h" flag; do
-		for i in "$@"; do
+	case "$flag" in
-			mkdir -p "${i[0]}"
+		h) print_menu;;
-			sudo zfs create "${ZFS_DATASET_OPTS}" -o mountpoint="${HOME}${i[0]}" "${ZFS_POOL_NAME}/${i[1]}"
+		*) exit 1;;
+	esac
 done
-	else
+
-		exit 0
+if ! [ -z "$1" ] && [ "$1" == "init" ]; then
+	while getopts "d:p:k:f:c:v:" opt; do
+		case $opt in
+			k) ZFS_KEY_LOC="${OPTARG}";;
+			f) ZFS_KEY_FORMAT="${OPTARG}";;
+			c) ZFS_COMPRESSION="${OPTARG}";;
+			v) ZFS_COMPAT="${OPTARG}";;
+			p) ZFS_POOL_NAME="${OPTARG}";;
+			d) ZFS_TARGET_DRIVE="${OPTARG}";;
+			*) exit 1;
+		esac
+	done
+
+	if [ -z "$ZFS_TARGET_DRIVE" ]; then
+		echo "It is necessary to argue a -d option."
+		exit 1
 	fi
+
+	create_zpool "$ZFS_TARGET_DRIVE" "$ZFS_POOL_NAME" "$ZFS_COMPAT" "$ZFS_KEY_LOC" "$ZFS_KEY_FORMAT" "$ZFS_COMPRESSION"
+	create_datasets "$ZFS_POOL_NAME"
 fi