Retrieves information about an AWS instance and outputs it via stdout. Written to use as a Sensu check to get basic information about a client.

aws-info.sh

#!/bin/bash

# Written By: https://github.com/elocnatsirt

# This script will curl the instance metadata and output useful values
# If the system isn't in AWS it will succeed with a relevant message


instance_id=`curl --silent http://169.254.169.254/latest/meta-data/instance-id`
instance_type=`curl --silent http://169.254.169.254/latest/meta-data/instance-type`
location=`curl --silent http://169.254.169.254/latest/meta-data/placement/availability-zone`
region=`curl --silent http://169.254.169.254/latest/meta-data/placement/availability-zone | sed 's/.$//'`

if [ "$instance_id" == "" ]; then
	echo "This is not an AWS instance"
	exit 0
fi

echo "Location: ${location}"
echo "Instance ID: ${instance_id}"
echo "Instance Type: ${instance_type}"
echo "Cloudwatch Link: https://console.aws.amazon.com/cloudwatch/home?region=${region}#metrics:metricFilter=Search%253D${instance_id}"