fix: update emulator configuration to bind gRPC port to all interfaces

Co-Authored-By: Rushil Srivastava <[email protected]>

Author: devin-ai-integration[bot]

start-emulator.sh

@@ -0,0 +1,34 @@
+#!/bin/sh
+set -e
+
+# Start socat in the background to forward external connections
+socat TCP-LISTEN:8123,fork,reuseaddr,bind=0.0.0.0 TCP:127.0.0.1:8124 &
+SOCAT_PID=$!
+
+# Start emulator on internal port with gRPC binding
+/emulator -port 8124 -grpc_port 8124 -grpc_host 0.0.0.0 &
+EMULATOR_PID=$!
+
+# Function to cleanup processes
+cleanup() {
+    kill $SOCAT_PID $EMULATOR_PID 2>/dev/null || true
+}
+
+# Set up trap
+trap cleanup EXIT
+
+# Wait for emulator to be ready
+for i in $(seq 1 30); do
+    if curl -s http://127.0.0.1:8124/v1/projects/test-project/locations/us-central1/queues > /dev/null; then
+        echo "Emulator is ready on internal port!"
+        if curl -s http://localhost:8123/v1/projects/test-project/locations/us-central1/queues > /dev/null; then
+            echo "Emulator is accessible on external port!"
+            break
+        fi
+    fi
+    echo "Waiting for emulator... attempt $i"
+    sleep 1
+done
+
+# Keep the script running
+wait $EMULATOR_PID