expose disable_user_config as Spawner.disable_user_config

jupyterhub/spawner.py

@@ -140,6 +140,14 @@ class Spawner(LoggingConfigurable):
         """
     )
     
+    disable_user_config = Bool(False, config=True,
+        help="""Disable per-user configuration of single-user servers.
+        
+        This prevents any config in users' $HOME directories
+        from having an effect on their server.
+        """
+    )
+    
     def __init__(self, **kwargs):
         super(Spawner, self).__init__(**kwargs)
         if self.user.state:
@@ -210,6 +218,8 @@ class Spawner(LoggingConfigurable):
             args.append('--notebook-dir=%s' % self.notebook_dir)
         if self.debug:
             args.append('--debug')
+        if self.disable_user_config:
+            args.append('--disable-user-config')
         args.extend(self.args)
         return args
     

scripts/jupyterhub-singleuser

@@ -29,7 +29,11 @@ from traitlets import (
     CUnicode,
 )
 
-from notebook.notebookapp import NotebookApp, aliases as notebook_aliases
+from notebook.notebookapp import (
+    NotebookApp,
+    aliases as notebook_aliases,
+    flags as notebook_flags,
+)
 from notebook.auth.login import LoginHandler
 from notebook.auth.logout import LogoutHandler
 
@@ -120,6 +124,14 @@ aliases.update({
     'hub-api-url': 'SingleUserNotebookApp.hub_api_url',
     'base-url': 'SingleUserNotebookApp.base_url',
 })
+flags = dict(notebook_flags)
+flags.update({
+    'disable-user-config': ({
+        'SingleUserNotebookApp': {
+            'disable_user_config': True
+        }
+    }, "Disable user-controlled configuration of the notebook server.")
+})
 
 page_template = """
 {% extends "templates/page.html" %}
@@ -158,6 +170,7 @@ class SingleUserNotebookApp(NotebookApp):
     hub_host = Unicode(config=True)
     hub_api_url = Unicode(config=True)
     aliases = aliases
+    flags = flags
     open_browser = False
     trust_xheaders = True
     login_handler_class = JupyterHubLoginHandler