simple script to rdp into an EC2 Windows server

rdp-to-ec2

#!/bin/bash
#
#   Copyright 2022 - Binx.io B.V.
#
#   Licensed under the Apache License, Version 2.0 (the "License");
#   you may not use this file except in compliance with the License.
#   You may obtain a copy of the License at
#
#       http://www.apache.org/licenses/LICENSE-2.0
#
#   Unless required by applicable law or agreed to in writing, software
#   distributed under the License is distributed on an "AS IS" BASIS,
#   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
#   See the License for the specific language governing permissions and
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set -e -o pipefail

[[ $# -ne 1 ]] && (echo "usage: $(basename $0) ec2-instance-name" >&1 && exit 1)
instance_name=$1
instance_id=$(aws ec2 describe-instances \
              --query 'join(`\n`, Reservations[].Instances[].InstanceId)' \
              --output text \
              --filter "Name=tag:Name,Values=$instance_name" "Name=instance-state-name,Values=running")

key_name=$(aws ec2 describe-instances \
          --instance-id $instance_id \
          --query Reservations[0].Instances[0].KeyName \
          --output text)
 
key_id=$(aws ec2 describe-key-pairs \
         --key-names $key_name \
         --query KeyPairs[0].KeyPairId \
         --output text)

private_key=$(mktemp)
chmod 0600 $private_key
aws ssm get-parameter --name /ec2/keypair/$key_id \
      --with-decryption --query Parameter.Value  \
      --output text >  $private_key

password=$(aws ec2 get-password-data \
          --priv-launch-key $private_key --instance-id $instance_id \
          --query PasswordData \
          --output text)
rm -f $private_key

ip_address=$(aws ec2 describe-instances \
                --instance-ids $instance_id \
                --query 'join(`\n`, Reservations[].Instances[].PublicIpAddress)' \
                --output text)
                
xfreerdp /u:administrator /p:$password  /v:$ip_address /cert:ignore