asg-connect.bash

#!/bin/bash

REGION="-region us-west-2"

if [ -z "$1" ]
then
  as-describe-auto-scaling-instances ${REGION}
  exit 0
fi

echo "Looking Up Host $1"

INSTANCEID=$(as-describe-auto-scaling-instances ${REGION} | grep $1 | head -n1 | awk '{print $2}')

if [ -z "${INSTANCEID}" ]
then
  echo "Instance $1 Not Found"
  exit -1
else
  echo Found Instance ID ${INSTANCEID}
fi

INSTANCE=$(ec2-describe-instances $INSTANCEID --show-empty-fields ${REGION} | grep INSTANCE )
IP=$(echo ${INSTANCE} | awk '{print $18}')

echo "Connecting to Host ${IP}"

exec ssh -o UserKnownHostsFile=/dev/null -o StrictHostKeyChecking=no ${IP}

Auto Scale Group Connect.md

Usage: asg-connect DESCRIPTION

The asg-connect command will search for Auto-Scale Group instances that match the description. The first instances will be selected and you will be SSH'd into it.