SSH to an EC2 instance by name

ssh-ec2

#!/usr/bin/env bash
#
# SSH to an EC2 instance by name
#
# You need the AWS cli (pip install awscli)
#

if [[ -z $1 ]]; then
  echo 'You must specify an instance name!'
  exit 1
fi

name=$1

instance=$(aws ec2 describe-instances \
  --output=text \
  --query 'Reservations[*].Instances[*].[PublicIpAddress]' \
  --filters "Name=tag:Name,Values=$name")

if [[ -z $instance ]]; then
  echo "Instance $name not found!"
  exit 1
fi

ssh $instance