#! /bin/bash
PREFIX=${1:-wubloader}
NAME=${2:-postgres}
BUCKET=${3:-wubloader-db}
CONTAINER=$(docker ps --format "{{.Names}}" | grep "$NAME")
if [ -z "$CONTAINER" ]; then
	echo "Container not found"
	exit 1
fi
if [ "$(wc -l <<<"$CONTAINER")" -ne 1 ]; then
	echo "Multiple containers found"
	exit 1
fi

FILE="$PREFIX-$(date -u +%Y-%m-%dT%H:%M:%S).sql"
echo "Dumping $CONTAINER to $FILE"
docker exec $CONTAINER pg_dump wubloader -U postgres | aws s3 cp - "s3://$BUCKET/$FILE"