Utility script for connecting to EC2 instances

connect.sh

#/bin/sh
INSTANCE=$1

if [ -z $INSTANCE ]; then
  printf 'Usage: connect [instance]\n'
  echo '[instance] : nginx | production | staging | mongo | what'
  exit 1;
fi

if [ $INSTANCE != 'what' ]; then printf "Connecting to $INSTANCE\n"; fi

USER="ec2-user"

case $INSTANCE in
  'nginx' ) IP=xx.x.x.xxx
    ;;
  'production' ) IP=xx.x.x.xxx
    ;;
  'staging' ) IP=xx.x.x.xxx && USER="ubuntu"
    ;;
  'mongo' ) IP=xx.x.x.xxx
    ;;
  'what' ) printf "nginx: xx.x.x.xxx\nproduction: xx.x.x.xxx\nstaging: xx.x.x.xxx\nmongo: xx.x.x.xxx\n" && exit 1;
    ;;
  * ) echo "Instance unknown." && exit 1;
    ;;
esac

ssh -i ~/.ssh/key.pem "$USER@$IP"

exit 0