backup

#!/usr/bin/env bash
set -e
# Backup tools
# this script generates a tgz file with the db dump, app uploads
#
# example: ./backup
# example: ./backup /path/to/your/backup/directory

SOURCE_DIR="."
DEST_DIR=${DEST_DIR:-$SOURCE_DIR}

BACKUP_DIR="$DEST_DIR/backups"
TODAY=`date '+%Y%m%d%H%M%S'`
DEST_FILE=$BACKUP_DIR/`hostname`-$TODAY.tar.gz

mkdir -p $BACKUP_DIR

backup_db () {
  echo ""
  echo "== Backup db =="
  docker exec zealot-postgresql su - postgres -c 'pg_dump -O -Fc zealot -f /tmp/db.dump'
  docker cp zealot-postgresql:/tmp/db.dump $BACKUP_DIR
}

backup_zealot () {
  echo ""
  echo "== Backup zealot data =="
  docker cp zealot-zealot:/app/public/uploads $BACKUP_DIR/uploads
}

compress () {
  echo ""
  echo "== Compress to .tar.gz file =="
  tar cvzf $DEST_FILE -X $SOURCE_DIR/.backup-ignore $SOURCE_DIR
}

cleanup () {
  echo
  echo "== Cleaning up =="
  rm -rf $BACKUP_DIR/uploads $BACKUP_DIR/db.dump
}
trap cleanup ERR INT TERM HUP QUIT

backup_db
backup_zealot
compress
cleanup