60 Second Kali Box

I am a fan of Kali Linux and AWS so I love the fact that they have an official AMI.  While spinning up a Kali instance in AWS is fairly easy, I had a long flight today so I wrote a script that will spin up a Kali instance in about 60 seconds.
The script does the following:

• Builds a security group that only allows SSH access from your current public IP.
• Writes a new SSH Key in ~/Documents/instantkali/
• Creates a t2.medium EC2 instance.

Here is the output: 
 
Here is the code:
https://gist.github.com/jgamblin/fff0bd2187f070390248c14cc9148062