s3-undelete.py

#!/usr/bin/python3
  
import boto3
import sys

# Hard-coded endpoint override, update this for your use.
FB_DATAVIP='10.62.64.200'

if len(sys.argv) != 3:
    print("Usage: {} bucketname key".format(sys.argv[0]))
    sys.exit(1)

bucketname = sys.argv[1]
key = sys.argv[2]

s3 = boto3.resource('s3', endpoint_url='http://' + FB_DATAVIP)
kwargs = {'Bucket' : bucketname, 'Prefix' : key}

pageresponse = s3.meta.client.get_paginator('list_object_versions').paginate(**kwargs)

for pageobject in pageresponse:
    if 'DeleteMarkers' in pageobject.keys() and pageobject['DeleteMarkers'][0]['Key'] == key:
        print("Undeleting s3://{}/{}".format(bucketname, key))
        s3.ObjectVersion(bucketname, key, pageobject['DeleteMarkers'][0]['VersionId']).delete()