feat: Retrieve IP address

set -Eeuo pipefail

info () { echo -e "\E[1;34m❯\E[1;36m $1\E[0m" ; }

error () { echo -e >&2 "\E[1;31m❯ ERROR: $1\E[0m" ; }

sleep 1

IP=$(ip address show dev eth0 | grep inet | awk '/inet / { print $2 }' | cut -f1 -d/)

# Retrieve IP from guest VM

RESPONSE=$(curl -s -m 16 -S http://127.0.0.1:2210/read?command=10 2>&1)

if [[ ! "${RESPONSE}" =~ "\"success\"" ]] ; then

  error "Failed to connect to guest: $RESPONSE" && exit 1

fi

# Retrieve the HTTP port number

if [[ ! "${RESPONSE}" =~ "\"http_port\"" ]] ; then

  error "Failed to parse response from guest: $RESPONSE" && exit 1

fi

rest=${RESPONSE#*http_port}

rest=${rest#*:}

rest=${rest%%,*}

PORT=${rest%%\"*}

[ -z "${PORT}" ] && error "Guest has not set a portnumber yet.." && exit 1

# Retrieve the IP address

if [[ ! "${RESPONSE}" =~ "eth0" ]] ; then

  error "Failed to parse response from guest: $RESPONSE" && exit 1

fi

rest=${RESPONSE#*eth0}

rest=${rest#*ip}

rest=${rest#*:}

rest=${rest#*\"}

IP=${rest%%\"*}

[ -z "${IP}" ] && error "Guest has not received an IP yet.." && exit 1

if [[ "$IP" == "20.20"* ]]; then

  MSG="port 5000"

  MSG="port ${PORT}"

else

  MSG="http://${IP}:5000"

  MSG="http://${IP}:${PORT}"

fi

echo ""

info " You can now login to DSM at ${MSG}"

info "--------------------------------------------------------"

echo ""

exit 0