config.yaml

hub:
  cookieSecret: 98a089a34637d725efa49d780b2d324428211a81a51a30913985793507f086d8
  # db:
  #   type: postgres
  #   url: <postgresDB-connection-string>
  #   upgrade: true
  image: 
    name: <HUB-IMAGE>
    tag: latest
    pullPolicy: 'Always'
  nodeSelector:
    dedicate.pool: apppool
  extraConfig:
    jupyterlab: |
      c.JupyterHub.authenticator_class = 'jupyterhub.auth.DummyAuthenticator'
      c.KubeSpawner.start_timeout = 3600
    admin_user: |
      c.JupyterHub.admin_access = True
      c.Authenticator.admin_users = {'apiuser','ziang'}
      c.JupyterHub.api_tokens = {'97bbf5d910d0c6d06be880441633953445f6965a78d25b54694f5e26374ffc6a': 'apiuser'}
    pod_ip: |
      from kubernetes import client
      def modify_pod_hook(spawner, pod):
          pod.spec.containers[0].env.append(client.V1EnvVar("MY_POD_IP", None, client.V1EnvVarSource(None, client.V1ObjectFieldSelector(None, "status.podIP"))))
          return pod
      c.KubeSpawner.modify_pod_hook = modify_pod_hook
    spawner: |
      from kubespawner import KubeSpawner
      from jinja2 import Environment, BaseLoader
      class CustomKubeSpawner(KubeSpawner):
          async def options_form(self, spawner):
              p_list = []
              pull_policy = 'Always'
              # construct the project space list
              p_list.append(
                  {'display_name':'Evolution X 3.2.1', 'slug': 'apache-spark-notebook-3.2.1', 'description': 'Apache Spark Cluster. v3.2.1 with hadoop 3.2 (8 CPUs, 32GB RAM) * 20', 'default': True,
                    'kubespawner_override': 
                      {
                          'image': "<NOTEBOOK-IMAGE>",
                          'cmd': ['start-notebook.sh'],
                          'image_pull_policy': pull_policy,
                          'cpu_limit': 2,
                          'cpu_guarantee': 0.5,
                          'mem_limit': '6G',
                          'mem_guarantee': '2G',
                          'node_selector': {'dedicate.pool': 'jhubuserpool'},
                          'volumes': [
                            {'name': 'project-claim','persistentVolumeClaim': {'claimName': 'pvc-test-jhub-project'}},
                            {'name': 'user-claim','persistentVolumeClaim': {'claimName': 'pvc-test-jhub-user'}},
                          ],
                          'volume_mounts': [
                            {'name': 'project-claim','mountPath': '/home/jovyan/shared'},
                            {'name': 'user-claim','mountPath': '/home/jovyan/work'}
                          ],
                          'extra_pod_config': {
                            'service_account_name': 'spark-admin',
                            'automount_service_account_token': True,
                            'hostAliases': [{'ip': '127.0.0.1', 'hostnames':['spark.ds.container']}]
                          }
                      }
                  }
              )
              self.profile_list = p_list
              self._profile_list = p_list
              profile_form_template = Environment(loader=BaseLoader).from_string(self.profile_form_template)
              return profile_form_template.render(profile_list=p_list)
      c.JupyterHub.spawner_class = CustomKubeSpawner

cull:
  enabled: true
  timeout: 3600
  every: 600
  
scheduling:
  userScheduler:
    enabled: true
    nodeSelector:
      dedicate.pool: apppool
  podPriority:
    enabled: true
  userPlaceholder:
    replicas: 0
  userPods:
    nodeAffinity:
      matchNodePurpose: require

prePuller:
  hook:
    enabled: true
    nodeSelector:
      dedicate.pool: apppool
  continuous:
    enabled: true

proxy:
  traefik:
    nodeSelector:
      dedicate.pool: apppool
  chp:
    nodeSelector:
      dedicate.pool: apppool
  secretToken: 98a089a34637d725efa49d780b2d324428211a81a51a30913985793507f086d9
  https:
    enabled: false