backup_script.sh

#!/bin/bash

# this file is the driver of backing up the production directory.
# the script initiates the backup and calls other scripts to perform various
# operations that are necessary for our system.
# the script is currently set to run once per day.
# USAGE: ./backup_script.sh

# set environment variables, and get the date for the snapshot name
source /home/localadmin/.aws_env
date="$(date '+%d%b%Y-%H-%M')" || exit 1

# take the snapshot of our production directory and place it within the
# snapshot directory with an appropriate name
btrfsSnapshotCreate()(
    sudo btrfs subvolume snapshot /mnt/btrfs_project_drive/production \
                                  /mnt/btrfs_project_drive/snapshots/"$date"
)
btrfsSnapshotCreate

# perform deduplicaiton via file hashes
python3 /home/localadmin/ESA-project/hash_dedup.py "$date"

# upload the snapshotted files to s3
python3 /home/localadmin/ESA-project/upload_to_s3.py "$date"

# delete the snapshot directory from local drive
sudo rm -r /mnt/btrfs_project_drive/snapshots/"$date"