Integrate secure websocket cluster master into main vidai.py

- Modify ClusterMaster to accept host parameter
- Start cluster master in vidai.py when running as master
- Use --cluster-host and --cluster-port for websocket server binding
- Default to 0.0.0.0:5003 for cluster master

vidai.py

@@ -44,6 +44,7 @@ from vidai.config import (
     get_backend_host, set_backend_host, get_backend_web_port, set_backend_web_port,
     get_backend_worker_port, set_backend_worker_port
 )
+from vidai.cluster_master import start_cluster_master
 
 def main():
     # Detect available GPU backends at startup
@@ -432,6 +433,14 @@ Examples:
         web_cmd = [sys.executable, '-m', 'vidai.web']
         web_proc = subprocess.Popen(web_cmd)
 
+        # Start cluster master in a separate thread
+        import threading
+        cluster_host = args.cluster_host or '0.0.0.0'
+        cluster_thread = threading.Thread(target=start_cluster_master, args=(cluster_host, args.cluster_port))
+        cluster_thread.daemon = True
+        cluster_thread.start()
+        print(f"Started cluster master on {cluster_host}:{args.cluster_port}")
+
         try:
             # Wait for processes
             backend_proc.wait()

vidai/cluster_master.py

@@ -37,7 +37,8 @@ from collections import defaultdict
 class ClusterMaster:
     """Master server for cluster coordination."""
 
-    def __init__(self, port: int = 5003, shared_dir: str = None, weight: int = 100, weight_explicit: bool = False):
+    def __init__(self, host: str = '0.0.0.0', port: int = 5003, shared_dir: str = None, weight: int = 100, weight_explicit: bool = False):
+        self.host = host
         self.port = port
         self.shared_dir = shared_dir
         self.weight = weight  # Master weight (default 100, changes to 0 when clients connect if not explicit)
@@ -130,7 +131,7 @@ class ClusterMaster:
         ssl_context = self._generate_ssl_cert()
 
         # Start secure websocket server
-        start_server = websockets.serve(self._handle_client, '0.0.0.0', self.port, ssl=ssl_context)
+        start_server = websockets.serve(self._handle_client, self.host, self.port, ssl=ssl_context)
         await start_server
 
         # Start management loop in background
@@ -669,7 +670,7 @@ class ClusterMaster:
 cluster_master = ClusterMaster()
 
 
-def start_cluster_master(port: int = 5003, shared_dir: str = None, weight=None, weight_explicit: bool = False) -> None:
+def start_cluster_master(host: str = '0.0.0.0', port: int = 5003, shared_dir: str = None, weight=None, weight_explicit: bool = False) -> None:
     """Start the cluster master server."""
     from .database import get_config
 
@@ -696,6 +697,7 @@ def start_cluster_master(port: int = 5003, shared_dir: str = None, weight=None,
         else:
             weight_explicit = True
 
+    cluster_master.host = host
     cluster_master.port = port
     cluster_master.shared_dir = shared_dir
     cluster_master.weight = weight
@@ -707,6 +709,7 @@ if __name__ == "__main__":
     import argparse
 
     parser = argparse.ArgumentParser(description='VidAI Cluster Master')
+    parser.add_argument('--host', default='0.0.0.0', help='Host to bind to (default: 0.0.0.0)')
     parser.add_argument('--port', type=int, default=5003, help='Port to listen on (default: 5003)')
     parser.add_argument('--shared-dir', help='Shared directory for file transfers')
     parser.add_argument('--weight', default='auto', help='Master weight for load balancing (default: auto, or specify number, or "auto" for automatic adjustment)')
@@ -728,9 +731,9 @@ if __name__ == "__main__":
             weight_explicit = False
 
     if weight_explicit and weight_value != 'auto':
-        print(f"Starting VidAI Cluster Master on port {args.port} with explicit weight {weight_value}")
+        print(f"Starting VidAI Cluster Master on {args.host}:{args.port} with explicit weight {weight_value}")
     else:
-        print(f"Starting VidAI Cluster Master on port {args.port} with {'default ' if not weight_explicit else ''}weight {weight_value} (will auto-adjust when clients connect)")
+        print(f"Starting VidAI Cluster Master on {args.host}:{args.port} with {'default ' if not weight_explicit else ''}weight {weight_value} (will auto-adjust when clients connect)")
 
     if args.shared_dir:
         print(f"Using shared directory: {args.shared_dir}")
@@ -739,4 +742,4 @@ if __name__ == "__main__":
             print(f"Warning: Shared directory {args.shared_dir} does not exist. Creating it.")
             os.makedirs(args.shared_dir, exist_ok=True)
 
-    start_cluster_master(args.port, args.shared_dir, weight_value, weight_explicit)
+    start_cluster_master(args.host, args.port, args.shared_dir, weight_value, weight_explicit)
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