#!/bin/bash
# Backup script for Vaultwarden in a kubernetes cluster

BACKUP_DEST="/mnt/PRIVATE_DOCS/BACKUPS/vaultwarden"
PASSFILE=./vaultwarden_pass.txt

# Retrieve container names
base_container=$( docker ps --format "{{.Names}}" | grep vaultwarden_vaultwarden )
database_container=$( docker ps --format "{{.Names}}" | grep vaultwarden-postgresql_vaultwarden-postgresql )

# Abort entire script if any command fails
set -e

# Database backup
>&2 echo "Backing up database"
docker exec --env-file "${PASSFILE}" "${database_container}" pg_dump "vaultwarden" -cwv -h "localhost" -U "vaultwarden" -f /tmp/vaultwarden-sqlbkp_`date +"%Y%m%d"`.bak
docker cp "${database_container}":/tmp/vaultwarden-sqlbkp_$(date +"%Y%m%d").bak "${BACKUP_DEST}"

# Files backup
files=("attachments" "sends" "config.json" "rsa_key.pem" "rsa_key.pub.pem")
for file in "${files[@]}"; do
	>&2 echo "Copying ${file}"
	docker cp -a "${base_container}":"/data/${file}" "${BACKUP_DEST}"
done

>&2 echo "Done"