Update host-backup.sh

Allow users to specify the backup path and directory they want to work in.

misc/host-backup.sh

@@ -7,7 +7,7 @@
 
 function header_info {
   clear
-cat <<"EOF"
+  cat <<"EOF"
    __ __         __    ___           __
   / // /__  ___ / /_  / _ )___ _____/ /____ _____
  / _  / _ \(_-</ __/ / _  / _ `/ __/  '_/ // / _ \
@@ -16,46 +16,59 @@ cat <<"EOF"
 EOF
 }
 header_info
-while true; do
-  read -p "This will backup specific files and directories within the 'etc' directory. Proceed (y/n)?" yn
-  case $yn in
-  [Yy]*) break ;;
-  [Nn]*) exit ;;
-  *) echo "Please answer yes or no." ;;
-  esac
-done
-header_info
 
-BACKUP_PATH="/root/"
-BACKUP_FILE="$(hostname)-host-backup"
-selected_directories=()
+start() {
+  BACKUP_PATH=$(whiptail --backtitle "Proxmox VE Helper Scripts" --inputbox "\nDefaults to root\ne.g. /mnt/backups/" 9 68 --title "Directory to backup to:" 3>&1 1>&2 2>&3)
+
+  if [ -z "$BACKUP_PATH" ]; then
+    BACKUP_PATH="/root/"
+  else
+    BACKUP_PATH="$BACKUP_PATH"
+  fi
+
+  DIR=$(whiptail --backtitle "Proxmox VE Helper Scripts" --inputbox "\nDefaults to etc\ne.g. root, var/lib/pve-cluster etc." 9 68 --title "Directory to work in (No leading or trailing slashes):" 3>&1 1>&2 2>&3)
+
+  if [ -z "$DIR" ]; then
+    DIR="etc"
+  else
+    DIR="$DIR"
+  fi
+
+  DIR_DASH=$(echo "$DIR" | tr '/' '-')
+  BACKUP_FILE="$(hostname)-${DIR_DASH}-backup"
+  selected_directories=()
 
-while read -r dir; do
+  while read -r dir; do
     DIRNAME=$(basename "$dir")
     OFFSET=2
     if [[ $((${#DIRNAME} + $OFFSET)) -gt ${MSG_MAX_LENGTH:-} ]]; then
       MSG_MAX_LENGTH=$((${#DIRNAME} + $OFFSET))
     fi
     CTID_MENU+=("$DIRNAME" "$dir " "OFF")
-done < <(ls -d /etc/*)
+  done < <(ls -d /${DIR}/*)
 
-while [ -z "${HOST_BACKUP:+x}" ]; do
-  HOST_BACKUP=$(whiptail --backtitle "Proxmox VE Helper Scripts" --title "SELECTIONS" --checklist \
+  while [ -z "${HOST_BACKUP:+x}" ]; do
+    HOST_BACKUP=$(whiptail --backtitle "Proxmox VE Host Backup" --title "Working in the ${DIR} directory " --checklist \
       "\nSelect what files/directories to backup:\n" \
       16 $(($MSG_MAX_LENGTH + 58)) 6 \
       "${CTID_MENU[@]}" 3>&1 1>&2 2>&3) || exit
 
-  for selected_dir in ${HOST_BACKUP//\"}; do
-    selected_directories+=("/etc/$selected_dir")
+    for selected_dir in ${HOST_BACKUP//\"/}; do
+      selected_directories+=("/${DIR}/$selected_dir")
+    done
   done
-done
 
-selected_directories_string=$(printf "%s " "${selected_directories[@]}")
-header_info
-echo -e "This will create backups for the directories \e[1;33m ${selected_directories_string% } \e[0m"
-read -p "Press ENTER to continue..."
-header_info
-tar -czf $BACKUP_PATH$BACKUP_FILE-$(date +%Y_%m_%d).tar.gz --absolute-names ${selected_directories_string% }
+  selected_directories_string=$(printf "%s " "${selected_directories[@]}")
+  header_info
+  echo -e "This will create a backup in\e[1;33m $BACKUP_PATH \e[0mfor these files and directories\e[1;33m ${selected_directories_string% } \e[0m"
+  read -p "Press ENTER to continue..."
+  header_info
+  tar -czf "$BACKUP_PATH$BACKUP_FILE-$(date +%Y_%m_%d).tar.gz" --absolute-names ${selected_directories_string% }
+
+  echo -e "\nFinished"
+}
 
-echo -e "\nFinished"
+if (whiptail --backtitle "Proxmox VE Helper Scripts" --title "Proxmox VE Host Backup" --yesno "This will create backups for particular files and directories located within a designated directory. Proceed?" 10 88); then
+  start
+fi
 echo -e "\e[1;33m \nA backup is rendered ineffective when it remains stored on the host.\n \e[0m"