aws-delete-ec2-ami-images

#!/bin/bash

set -x

# set default values for options
threshold_date=''
region='us-east-1'
profile=''

# define usage function
usage() {
    echo "Usage: $(basename "$0") -d DATE [-r REGION] -p PROFILE" >&2
    echo "Delete AMI images older than a specified date in batches of 10" >&2
    echo "  -d DATE      Image creation date threshold (YYYY-MM-DD)" >&2
    echo "  -r REGION    AWS region (default: us-east-1)" >&2
    echo "  -p PROFILE   AWS CLI profile name" >&2
    echo "  -h           Display this help message and exit" >&2
}

# parse command line options
while getopts "d:r:p:h" opt; do
    case $opt in
        d)
            threshold_date="$OPTARG"
            ;;
        r)
            region="$OPTARG"
            ;;
        p)
            profile="$OPTARG"
            ;;
        h)
            usage
            exit 0
            ;;
        \?)
            usage
            exit 1
            ;;
    esac
done

# check for required options
if [[ -z "$threshold_date" || -z "$profile" ]]; then
    echo "Error: Date threshold and profile not specified" >&2
    usage
    exit 1
fi

# get a list of AMI images older than the threshold date owned by the current user
image_ids=$(aws ec2 describe-images --owners self --filters Name=creation-date,Values="$threshold_date" --query 'Images[*].[ImageId]' --output text --region "$region" --profile "$profile")

# check if there are any images to delete
if [[ -z "$image_ids" ]]; then
    echo "No images found older than $threshold_date."
    exit 0
fi

# loop through the array of image IDs and delete them in batches of 10
for image_id in $image_ids; do
    echo "Deregistering image $image_id..."
    if aws ec2 describe-images --image-ids "$image_id" --region "$region" --profile "$profile" >/dev/null 2>&1; then
        aws ec2 deregister-image --image-id "$image_id" --region "$region" --profile "$profile" || echo "Failed to deregister image $image_id"
    else
        echo "Image $image_id not found, skipping..."
    fi
done

echo "All images older than $threshold_date have been processed."