#!/bin/bash

echo "Object key must not start with /"

BUCKET=$1
# Restore objects
cat /tmp/objectlist.txt | parallel -v -j8 aws s3api restore-object --bucket $BUCKET --key {} --restore-request Days=20

# Check restore status. ongoing-request="true" will be returned if it's in progress
cat /tmp/objectlist.txt | parallel -j8 aws s3api head-object --bucket $BUCKET --key {} --query Restore --output text | sort | uniq -c

# After objects are restored, use aws s3 sync with --force-glacier-transfer to download objects