Add ability to add overrides to jhub-apps config (#2754)

Author: dcmcand

src/_nebari/stages/kubernetes_services/__init__.py

@@ -218,6 +218,7 @@ class ArgoWorkflows(schema.Base):
 
 class JHubApps(schema.Base):
     enabled: bool = False
+    overrides: Dict = {}
 
 
 class MonitoringOverrides(schema.Base):
@@ -473,6 +474,7 @@ class JupyterhubInputVars(schema.Base):
     idle_culler_settings: Dict[str, Any] = Field(alias="idle-culler-settings")
     argo_workflows_enabled: bool = Field(alias="argo-workflows-enabled")
     jhub_apps_enabled: bool = Field(alias="jhub-apps-enabled")
+    jhub_apps_overrides: str = Field(alias="jhub-apps-overrides")
     cloud_provider: str = Field(alias="cloud-provider")
     jupyterlab_preferred_dir: Optional[str] = Field(alias="jupyterlab-preferred-dir")
     shared_fs_type: SharedFsEnum
@@ -639,6 +641,7 @@ def input_vars(self, stage_outputs: Dict[str, Dict[str, Any]]):
             idle_culler_settings=self.config.jupyterlab.idle_culler.model_dump(),
             argo_workflows_enabled=self.config.argo_workflows.enabled,
             jhub_apps_enabled=self.config.jhub_apps.enabled,
+            jhub_apps_overrides=json.dumps(self.config.jhub_apps.overrides),
             initial_repositories=str(self.config.jupyterlab.initial_repositories),
             jupyterlab_default_settings=self.config.jupyterlab.default_settings,
             jupyterlab_gallery_settings=self.config.jupyterlab.gallery_settings,

src/_nebari/stages/kubernetes_services/template/jupyterhub.tf

@@ -180,6 +180,7 @@ module "jupyterhub" {
   conda-store-service-name                           = module.kubernetes-conda-store-server.service_name
   conda-store-jhub-apps-token                        = module.kubernetes-conda-store-server.service-tokens.jhub-apps
   jhub-apps-enabled                                  = var.jhub-apps-enabled
+  jhub-apps-overrides                                = var.jhub-apps-overrides
 
   extra-mounts = {
     "/etc/dask" = {

src/_nebari/stages/kubernetes_services/template/modules/kubernetes/services/jupyterhub/files/jupyterhub/02-spawner.py

@@ -1,4 +1,5 @@
 import inspect
+import json
 
 import kubernetes.client.models
 from tornado import gen
@@ -65,6 +66,10 @@ def get_conda_store_environments(user_info: dict):
     c.JAppsConfig.hub_host = "hub"
     c.JAppsConfig.service_workers = 4
 
+    jhub_apps_overrides = json.loads(z2jh.get_config("custom.jhub-apps-overrides"))
+    for config_key, config_value in jhub_apps_overrides.items():
+        setattr(c.JAppsConfig, config_key, config_value)
+
     def service_for_jhub_apps(name, url):
         return {
             "name": name,

src/_nebari/stages/kubernetes_services/template/modules/kubernetes/services/jupyterhub/main.tf

@@ -77,6 +77,7 @@ resource "helm_release" "jupyterhub" {
         conda-store-service-name      = var.conda-store-service-name
         conda-store-jhub-apps-token   = var.conda-store-jhub-apps-token
         jhub-apps-enabled             = var.jhub-apps-enabled
+        jhub-apps-overrides           = var.jhub-apps-overrides
         initial-repositories          = var.initial-repositories
         skel-mount = {
           name      = kubernetes_config_map.etc-skel.metadata.0.name

src/_nebari/stages/kubernetes_services/template/modules/kubernetes/services/jupyterhub/variables.tf

@@ -124,6 +124,11 @@ variable "jhub-apps-enabled" {
   type        = bool
 }
 
+variable "jhub-apps-overrides" {
+  description = "jhub-apps configuration overrides"
+  type        = string
+}
+
 variable "conda-store-argo-workflows-jupyter-scheduler-token" {
   description = "Token for argo-workflows-jupyter-schedule to use conda-store"
   type        = string

src/_nebari/stages/kubernetes_services/template/variables.tf

@@ -59,6 +59,12 @@ variable "jhub-apps-enabled" {
   type        = bool
 }
 
+variable "jhub-apps-overrides" {
+  description = "jhub-apps configuration overrides"
+  type        = string
+  default     = "{}"
+}
+
 variable "cloud-provider" {
   description = "Name of cloud provider."
   type        = string