Jupyterhub - JupyterLab - Redirect loop detected

[mehmetbebek]

I am trying to run jupyterlab from jupyterhub with below configs. Server is started but when I try to open user's notebooks it gives 500 Internal Server Error Infinite Loop

# Configuration file for jupyterhub.

import os
from jupyterhub.spawner import LocalProcessSpawner
from jupyter_client.localinterfaces import public_ips

c = get_config()

data_dir = '/etc/jupyterhub/data'
source_dir = '/etc/jupyterhub/notebooks'

class MySpawner(LocalProcessSpawner):

    def start(self):

        # Local vars
        username = self.user.name
        home_dir = '/home/%s/notebooks' %username
        cases_dir = home_dir+'/cases'
        examples_dir = home_dir+'/examples'
        workspace_dir = home_dir+'/workspace'

        # Home
        os.system("mkdir -p %s" %home_dir)

        # Welcome
        os.system("cp %s/Welcome.ipynb %s" %(source_dir,home_dir))

        # Examples
        os.system("rm -rf %s" %examples_dir)
        os.system("cp -r %s/examples %s" %(source_dir,home_dir))

        # Cases
        os.system("rm -rf %s" %cases_dir)
        os.system("cp -r %s/cases %s" %(source_dir,home_dir))

        # Workspace
        os.system("mkdir -p %s" %workspace_dir)
        os.system("cp -r %s/workspace-%s/. %s" %(data_dir,username,workspace_dir))
        os.system("chown -R %s %s" %(username,workspace_dir))
        return super().start()

    def stop(self):

        # Local vars
        username = self.user.name
        home_dir = '/home/%s/notebooks' %username
        workspace_dir = home_dir+'/workspace'

        # Backup workspace
        os.system("rsync -avz --delete %s %s/workspace-%s" %(workspace_dir,data_dir,username))
        return super().stop()

c.Authenticator.admin_users = set([])

c.JupyterHub.ip = public_ips()[0]
c.JupyterHub.port = 443
c.JupyterHub.admin_access = True
c.JupyterHub.cookie_secret_file = data_dir+'jupyterhub_cookie_secret'
c.JupyterHub.extra_log_file = '/var/log/jupyterhub.log'
c.JupyterHub.spawner_class = MySpawner
c.JupyterHub.hub_ip = public_ips()[0]
c.JupyterHub.hub_port = 1453

c.JupyterHub.services = [{'name': 'cull-idle',
                          'admin': True,
                          'command': 'python cull_idle_servers.py --timeout=3600'.split()}]
c.Spawner.debug = False
c.Spawner.notebook_dir = '/etc/jupyterhub/notebooks'
c.Spawner.args = ['--NotebookApp.default_url=%s/Welcome.ipynb' %source_dir]

c.LocalAuthenticator.create_system_users = True
c.Authenticator.whitelist = {'ttcdes', 'testuser'}
c.Authenticator.admin_users = {'ttcdes'}

c.Spawner.default_url = '/lab'
c.Spawner.cmd = ['jupyter-labhub']


[W 2019-03-08 15:09:16.929 JupyterHub web:1667] 500 GET /hub/user/ttcdes/?redirects=4 (10.166.22.236): Redirect loop detected.
[E 2019-03-08 15:09:16.931 JupyterHub log:150] {
      "Host": "10.166.22.236:1453",
      "User-Agent": "Mozilla/5.0 (Windows NT 10.0; WOW64; rv:60.0) Gecko/20100101 Firefox/60.0",
      "Accept": "text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8",
      "Accept-Language": "en-US,en;q=0.5",
      "Accept-Encoding": "gzip, deflate",
      "Referer": "http://10.166.22.236:1453/hub/admin",
      "Cookie": "jupyterhub-hub-login=\"2|1:0|10:1552046661|20:jupyterhub-hub-login|44:MmVkODA1MDg0YThiNDhlODgzYjkxNTgyY2ExOTE3OWM=|052ad546c1c98a57b5ba891ebd31169cc02f1670eb831bad859f6bd9bd1f92bb\"; jupyterhub-session-id=c6f7036bcab04e02945fd222696c77ad",
      "Connection": "keep-alive",
      "Upgrade-Insecure-Requests": "1"
    }

[jasongrout]

CC @yuvipanda @choldgraf - my guess is that this is a jupyterhub or configuration issue?