arch_auto_install_run.sh

#!/bin/bash

PS3='Select Environment: '
options=("Local VM" "Other")
select opt in "${options[@]}"
do
  case "$opt" in
    "VirtualBox")
      DISK=sda
      PORT=2222
      HOST=127.0.0.1
      break
      ;;
    "Other")
      DISK=vda
      PORT=22
      echo -n "HOST: "
      read HOST
      break
      ;;
    *) echo Invalid;;
  esac
done

echo DISK="$DISK", PORT="$PORT", HOST="$HOST"

HOST_ROOT="root@$HOST"
PUBKEY=$(cat ./id_rsa.pub)

# copy your public key, so can ssh without a password later on
ssh -tt -p "$PORT" "$HOST_ROOT" "mkdir -m 700 ~/.ssh; echo $PUBKEY > ~/.ssh/authorized_keys; chmod 600 ~/.ssh/authorized_keys"

# copy install scripts from ./root folder
scp -P "$PORT" ./root/* "$HOST_ROOT:/root"

# run the install script remotely
ssh -tt -p "$PORT" "$HOST_ROOT" "./install.sh $DISK"