Split off ZFS-relatesd tasks into 'zfs.sh'

zfs.sh

@@ -272,3 +272,25 @@ fi
 # 	zfs mount \
 # 	${hostname,,}/var/mail
 # fi
+
+if [[ "${1}" == '--key' ]]; then
+	cp \
+		/etc/zfs/keys/${hostname,,}.key \
+		/mnt/etc/zfs/keys/
+elif [[ "${1}" == '--unmount' ]]; then
+	mount | grep -v zfs | tac | awk '/\/mnt/ {print $3}' | xargs -I {} umount -Rlf {}
+
+	if [[ "${ID}" == 'fedora' ]]; then
+		umount \
+			-nR \
+			/mnt
+	fi
+
+	zpool \
+		export \
+		-a
+elif [[ "${1}" == '--host-id' ]]; then
+	zgenhostid \
+		-f \
+		0x00bab10c
+fi