Digital ocean droplet metadata to publish server key fingerprints to SNS topic

metadata

#!/bin/bash

apt-get -y update
apt-get install -y awscli

RSA_FINGERPRINT=$(ssh-keygen -l -f /etc/ssh/ssh_host_rsa_key.pub)
ECDSA_FINGERPRINT=$(ssh-keygen -l -f /etc/ssh/ssh_host_ecdsa_key.pub)

export AWS_DEFAULT_REGION=us-east-1
export AWS_ACCESS_KEY_ID=Fillthisin
export AWS_SECRET_ACCESS_KEY='Fillthisin'

aws sns publish --topic-arn arn:aws:sns:us-east-1:fill:thisin --message "${RSA_FINGERPRINT} --- ${ECDSA_FINGERPRINT}"