Fix playitd crash: create runtime dir + explicit IPC socket path for XDG_RUNTIME_DIR-less containers

control.py

@@ -14,7 +14,7 @@ from collections import deque
 from http.server import BaseHTTPRequestHandler, ThreadingHTTPServer
 from urllib.parse import parse_qs, urlparse
 
-BUILD = "v8"
+BUILD = "v9"
 
 DATA_DIR = os.environ.get("MC_DATA", "/data")
 JAR = os.environ.get("MC_JAR", "/server/minecraft_server.26.3.jar")
@@ -69,9 +69,16 @@ class MCController:
             return
         self.push("[panel] starting playitd", "playit")
         env = dict(os.environ)
+        runtime_dir = "/tmp/playitd"
+        try:
+            os.makedirs(runtime_dir, mode=0o700, exist_ok=True)
+        except OSError as e:
+            self.push(f"[panel] playitd runtime dir: {e}", "playit")
+        env["XDG_RUNTIME_DIR"] = runtime_dir
         try:
             self.playit = subprocess.Popen(
-                ["playitd", "--secret", PLAYIT_SECRET, "--platform-docker"],
+                ["playitd", "--secret", PLAYIT_SECRET, "--platform-docker",
+                 "--socket-path", os.path.join(runtime_dir, "ipc.sock")],
                 stdout=subprocess.PIPE, stderr=subprocess.STDOUT,
                 text=True, encoding="utf-8", errors="replace", env=env,
             )