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52fee22f04
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52fee22f04 |
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@ -49,14 +49,14 @@ dump_mariadb_db() {
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local pass="$3"
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local db="$4"
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local path="$5"
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log "Dumping MariaDB/MySQL db for $c..."
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log "Dumping MariaDB/MySQL db..."
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docker exec "$c" mariadb-dump --single-transaction -h localhost -u "$user" -p"$pass" "$db" > "$path" || { log "Error dumping MariaDB/MySQL"; exit 1; }
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}
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dump_sqlite_db() {
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local src="$1"
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local dst="$2"
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log "Dumping SQLite db for $c..."
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log "Dumping SQLite db..."
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sqlite3 "$src" ".backup $dst" || { log "Error dumping SQLite"; exit 1; }
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}
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@ -82,3 +82,53 @@ run_duplicati_backup() {
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log "$name backup complete."
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}
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tar_and_encrypt() {
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local source_dir="$1"
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local output_file="$2"
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local passphrase="$3"
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log "Compressing and encrypting $source_dir..."
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sudo tar --absolute-names -czf - "$source_dir" | \
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openssl enc -aes-256-cbc -pbkdf2 -pass "pass:$passphrase" > "$output_file" || {
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log "Error: Failed to create encrypted archive."
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exit 1
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}
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}
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scp_transfer() {
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local local_file="$1"
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local ssh_user="$2"
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local ssh_host="$3"
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local ssh_key="$4"
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local ssh_port="$5"
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local remote_path="$6"
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log "Transferring $local_file to $ssh_user@$ssh_host:$remote_path"
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scp -v -P "$ssh_port" -i "$ssh_key" "$local_file" \
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"$ssh_user@$ssh_host:$remote_path" || {
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log "Error: Failed to transfer file."
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exit 1
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}
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}
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remove_old_backups() {
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local ssh_user="$1"
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local ssh_host="$2"
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local ssh_key="$3"
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local ssh_port="$4"
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local backup_folder="$5"
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local max_backups="$6"
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log "Checking for old backups..."
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local existing_backups
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existing_backups=$(ssh -p "$ssh_port" -i "$ssh_key" "$ssh_user@$ssh_host" \
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"ls -1 $backup_folder | wc -l") || {
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log "Error: Failed to count existing backups."
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exit 1
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}
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if (( existing_backups > max_backups )); then
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log "Removing old backups..."
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ssh -p "$ssh_port" -i "$ssh_key" "$ssh_user@$ssh_host" \
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"ls -t $backup_folder | tail -n +$((max_backups+1)) | xargs rm" || {
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log "Error: Failed to remove old backups."
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exit 1
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}
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fi
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}
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@ -2,61 +2,45 @@
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SCRIPT_ABS_LOCATION=$(realpath "$(dirname "${0}")")
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# shellcheck disable=SC1090
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source "$SCRIPT_ABS_LOCATION/duplicati-backup.env"
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source "$SCRIPT_ABS_LOCATION/../common-backup.sh"
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# shellcheck disable=SC1090
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source "$SCRIPT_ABS_LOCATION/../logger.sh"
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# Default values
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SOURCE_DIR="/mnt/data/duplicati"
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MAX_BACKUPS=7
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BACKUP_FOLDER=""
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SSH_KEY="${SSH_KEY:-$HOME/.ssh/id_rsa}"
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source "$SCRIPT_ABS_LOCATION/duplicati-backup.env"
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# shellcheck disable=SC2034
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LOG_FILE="$SCRIPT_ABS_LOCATION/duplicati-backup.log"
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# Override with command-line arguments
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while getopts ":f:h:u:p:m:b:" opt; do
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case $opt in
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f) SOURCE_DIR="$OPTARG";;
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h) SSH_DESTINATION="$OPTARG";;
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u) SSH_USERNAME="$OPTARG";;
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p) SSH_KEY="$OPTARG";;
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m) MAX_BACKUPS="$OPTARG";;
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b) BACKUP_FOLDER="$OPTARG";;
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\?) echo "Invalid option: -$OPTARG"; exit 1;;
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esac
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done
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# Create a temporary file for the encrypted archive
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TMP_FILENAME="duplicati_db-$(date +"%Y%m%d").bak"
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TMP_FILEPATH="$SCRIPT_ABS_LOCATION"
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if [ -z "$TMP_FILEPATH" ]; then
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log "Error: TMP_FILEPATH is not set."; exit 1
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log "Error: TMP_FILEPATH is not set."
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exit 1
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fi
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# Create the encrypted archive using tar and openssl
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log "Compressing and excrypting the Duplicati Databases"
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sudo tar --absolute-names -czf - "$SOURCE_DIR" | openssl enc -aes-256-cbc -pbkdf2 -pass "pass:$BACKUP_ENCR_PASSPHRASE" > "$TMP_FILEPATH/$TMP_FILENAME" || { log "Error: Failed to create encrypted archive."; exit 1; }
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stop_container duplicati
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tar_and_encrypt "$SOURCE_DIR" "$TMP_FILEPATH/$TMP_FILENAME" "$BACKUP_ENCR_PASSPHRASE"
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# Connect to the backup host and count the number of existing backups
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log "Fetching number of backups in destination folder"
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EXISTING_BACKUPS=$(ssh "$SSH_USERNAME@$SSH_DESTINATION" -p 23 -i "$SSH_KEY" 'ls' | sudo wc -l) || { log "Error: Failed to count existing backups."; exit 1; }
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remove_old_backups \
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"$SSH_USERNAME" \
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"$SSH_DESTINATION" \
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"$SSH_KEY" \
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"$SSH_PORT" \
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"$BACKUP_FOLDER" \
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"$MAX_BACKUPS"
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# Remove old backups if there are too many
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if (( EXISTING_BACKUPS > MAX_BACKUPS )); then
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log "Removing old backups in order to save space"
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ssh "$SSH_USERNAME@$SSH_DESTINATION" -p 23 -i "$SSH_KEY" "ls -t $BACKUP_FOLDER | tail -n +$((MAX_BACKUPS+1)) | xargs rm" || { log "Error: Failed to remove old backups."; exit 1; }
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fi
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scp_transfer \
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"$TMP_FILEPATH/$TMP_FILENAME" \
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"$SSH_USERNAME" \
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"$SSH_DESTINATION" \
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"$SSH_KEY" \
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"$SSH_PORT" \
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"${BACKUP_FOLDER}${TMP_FILENAME}"
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# Transfer the encrypted archive to the backup host using scp
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log "Transfering archive to SSH Destination"
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scp -v -P 23 -i "$SSH_KEY" "$TMP_FILEPATH/$TMP_FILENAME" "$SSH_USERNAME@$SSH_DESTINATION:$BACKUP_FOLDER$TMP_FILENAME" || { log "Error: Failed to transfer the encrypted archive."; exit 1; }
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log "Cleaning up temporary archive..."
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rm "$TMP_FILEPATH/$TMP_FILENAME" || {
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log "Error: Failed to remove the temporary file."
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exit 1
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}
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# Remove the temporary file
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log "Cleaning up files"
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rm "$TMP_FILEPATH/$TMP_FILENAME" || { log "Error: Failed to remove the temporary file."; exit 1; }
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start_container duplicati
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log "Backup completed successfully."
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log "duplicati backup completed."
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@ -14,5 +14,6 @@ backup_app() {
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# Iterate over each app in the array and call the backup function
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for app in "${apps[@]}"; do
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backup_app "$app"
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sleep 5
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done
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