Ceph » mgr » Dashboard

It seems that despite having a default language set (supposedly en-US locale), the former "npm run build" results in a dashboard that cannot display the login page (or any other page at all):

{"status": "404 Not Found", "detail": "The path '/' was not found.", "traceback": "Traceback (most recent call last):\n  File \"/lib/python3.6/site-packages/cherrypy/lib/static.py\", line 51, in serve_file\n    st = os.stat(path)\nFileNotFoundError: [Errno 2] No such file or directory: '/usr/share/ceph/mgr/dashboard/frontend/dist/en-US/index.html'\n\nDuring handling of the above exception, another exception occurred:\n\nTraceback (most recent call last):\n  File \"/lib/python3.6/site-packages/cherrypy/_cprequest.py\", line 670, in respond\n    response.body = self.handler()\n  File \"/lib/python3.6/site-packages/cherrypy/lib/encoding.py\", line 220, in __call__\n    self.body = self.oldhandler(*args, **kwargs)\n  File \"/lib/python3.6/site-packages/cherrypy/_cptools.py\", line 237, in wrap\n    return self.newhandler(innerfunc, *args, **kwargs)\n  File \"/usr/share/ceph/mgr/dashboard/services/exception.py\", line 88, in dashboard_exception_handler\n    return handler(*args, **kwargs)\n  File \"/lib/python3.6/site-packages/cherrypy/_cpdispatch.py\", line 60, in __call__\n    return self.callable(*self.args, **self.kwargs)\n  File \"/usr/share/ceph/mgr/dashboard/controllers/home.py\", line 113, in __call__\n    return serve_file(full_path)\n  File \"/lib/python3.6/site-packages/cherrypy/lib/static.py\", line 58, in serve_file\n    raise cherrypy.NotFound()\ncherrypy._cperror.NotFound: (404, \"The path '/' was not found.\")\n", "version": "8.9.1"}