How to restore folders (or entire buckets) to Amazon S3 from Glacier?

Question

I changed the lifecycle for a bunch of my buckets on Amazon S3 so their storage class was set to Glacier. I did this using the online AWS Console. I now need those files a

Answer 1

Here is my version of the aws cli interface and how to restore data from glacier. I modified some of the above examples to work when the key of the files to be restored contain spaces.

# Parameters
BUCKET="my-bucket" # the bucket you want to restore, no s3:// no slashes
BPATH="path/in/bucket/" # the objects prefix you wish to restore (mind the `/`) 
DAYS=1 # For how many days you wish to restore the data.

# Restore the objects
aws s3 ls s3://{BUCKET}/${BPATH} --recursive | \
awk '{out=""; for(i=4;i<=NF;i++){out=out" "$i}; print out}'| \
xargs -I {} aws s3api restore-object --restore-request Days={DAYS} \
--bucket {BUCKET} --key "{}"