nuke_s3.sh

#!/bin/bash
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###   THIS BASH SCRIPT WILL COMPLETE DELETE *EVERY* OBJECT   #### 
###       INCLUDING HIDDEN VERSIONS FROM AN S3 BUCKET!!      #### 
######## ######## ######## ######## ######## ######## ###########


BUCKET_NAME="$1"

if [[ -z "$BUCKET_NAME" ]]; then
  echo "Usage: $0 <bucket-name>"
  exit 1
fi

expected="Delete my objects in $BUCKET_NAME"

read -p "Type EXACTLY: \"$expected\" to confirm: " confirmation

if [[ "$confirmation" != "$expected" ]]; then
  echo "Confirmation failed. Nothing was deleted. Probably a good idea. 😌"
  exit 1
fi

final_confirmation_sentence="I understand I am deleting all historical versions"
read -p "Type '${final_confirmation_sentence}' to continue: " final_confirmation
if [[ "$final_confirmation" != $final_confirmation_sentence ]]; then
  echo "You must type '$final_confirmation_sentence' to continue! Exiting..."
  exit 1
fi

echo "Confirmed. Proceeding with deletion from bucket: $BUCKET_NAME"



while :; do
  OUTPUT=$(aws s3api list-object-versions --bucket $BUCKET_NAME --max-items 1000)
  KEYS=$(echo "$OUTPUT" | jq -r '.Versions[]?, .DeleteMarkers[]? | {Key: .Key, VersionId: .VersionId}' | jq -s '{Objects: .}')
  if [ "$(echo "$KEYS" | jq '.Objects | length')" -eq 0 ]; then
    echo "No more objects to delete. All clean. 🧼"
    break
  fi
  echo "$KEYS" | aws s3api delete-objects --bucket $BUCKET_NAME --delete file:///dev/stdin
  NEXT_TOKEN=$(echo "$OUTPUT" | jq -r '.NextToken // empty')
  [ -z "$NEXT_TOKEN" ] && break
done