feat: Retrieve IP address

run/print.sh

@@ -2,15 +2,46 @@
 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 ""
@@ -18,3 +49,5 @@ info "--------------------------------------------------------"
 info " You can now login to DSM at ${MSG}"
 info "--------------------------------------------------------"
 echo ""
+
+exit 0