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Add script to delete old AMIs

master
lavenderguitar 2 years ago
parent
commit
a67d6faeed
  1. 46
      delete_aws_amis.sh

46
delete_aws_amis.sh

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#!/bin/bash
# Replace with your own values
region="us-east-1"
date_cutoff="2022-01-01"
# Get a list of all the AMIs in the account
all_amis=$(aws ec2 describe-images --region $region --owners self)
# Loop through the list and print the names and IDs of any AMIs that were created before the cutoff date
amis_to_delete=""
while read -r line; do
ami_id=$(echo $line | jq -r '.ImageId')
name=$(echo $line | jq -r '.Name')
creation_date=$(echo $line | jq -r '.CreationDate')
if [[ "$creation_date" < "$date_cutoff" ]]; then
echo "AMI $ami_id ($name) was created before the cutoff date."
amis_to_delete="$amis_to_delete $ami_id"
fi
done <<< "$all_amis"
# Ask the user for verification before deleting the AMIs
if [[ -z "$amis_to_delete" ]]; then
echo "No AMIs to delete."
else
read -p "Are you sure you want to delete $(echo $amis_to_delete | wc -w) AMIs? (y/n): " confirmation
if [[ "$confirmation" == "y" ]]; then
read -p "Do you also want to delete the associated snapshots? (y/n): " delete_snapshots
# Loop through the list of AMIs to delete and delete the associated snapshots if specified
for ami_id in $amis_to_delete; do
echo "Deleting AMI $ami_id"
snapshot_ids=$(aws ec2 describe-images --image-ids $ami_id --region $region | jq -r '.Images[0].BlockDeviceMappings[].Ebs.SnapshotId')
aws ec2 deregister-image --image-id $ami_id --region $region
if [[ "$delete_snapshots" == "y" ]]; then
for snapshot_id in $snapshot_ids; do
echo "Deleting snapshot $snapshot_id"
aws ec2 delete-snapshot --snapshot-id $snapshot_id --region $region
done
else
echo "Skipping deletion of $(echo $snapshot_ids | wc -w) associated snapshots."
fi
done
else
echo "Aborting deletion of AMIs."
fi
fi
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