Enable jupyterhub-idle-culler

roles/jupyter/tasks/jupyter.yml

@@ -69,6 +69,28 @@
       # Configure the docker-based Spawner. The /home/joyvan path is what the Jupyter
       # Docker images use.
       c.JupyterHub.spawner_class = 'dockerspawner.DockerSpawner'
+      c.JupyterHub.load_roles = [
+        {
+          "name": "jupyterhub-idle-culler-role",
+          "scopes": [
+            "list:users",
+            "read:users:activity",
+            "read:servers",
+            "delete:servers",
+          ],
+          "services": ["jupyterhub-idle-culler-service"],
+        }
+      ]
+      c.JupyterHub.services = [
+        {
+          "name": "jupyterhub-idle-culler-service",
+          "command": [
+            sys.executable,
+            "-m", "jupyterhub_idle_culler",
+            "--timeout=3600",
+          ],
+        }
+      ]
       c.DockerSpawner.notebook_dir = '/home/jovyan/work'
       # This creates a volume for each user to store their notebooks. As an alternative,
       # we could bind-mount local filesystem paths (but something must create them first).