rsync-epsilon.sh

#!/bin/bash

rsync=/usr/bin/rsync
ssh=/usr/bin/ssh
sshkey=/home/alex/.ssh/id_rsa.pub
omega_user=root
omega_host=omega
omega_backup_path=/volume1/omega/backups
epsilon_storage=/mnt/storage

# backup paths
declare -a backup_from_epsilon_root=("/opt/appdata")
declare -a backup_from_storage=("photos" \
                                  "backups/btSyncDad" \
                                  "backups/btSyncMum" \
                                  "music/classical" \
                                  "music/flac" \
                                  "backups/dashcam" \
                                  "backups/appdata.backup")

# backup from / paths to /mnt/storage
for item in "${backup_from_epsilon_root[@]}"
do
  if [[ $item == "/opt/appdata" ]]; then
    $rsync -avzP \
      --delete \
      --exclude=/opt/appdata/nzbget/downloads \
      $item \
      $epsilon_storage/backups/appdata.backup
  fi
done

# backup to omega from /mnt/storage
for item in "${backup_from_storage[@]}"
do
  fullpath="$epsilon_storage/$item"
  if [[ $item == *"backups/"* ]]; then
    item="${item##*/}"
  fi
  $rsync -avzP -e $ssh -i $sshkey $fullpath/ $omega_user@$omega_host:$omega_backup_path/$item/
done