Disable news and updates - cleanups

cesnet-central/deployments/fullhub.yaml

@@ -104,9 +104,27 @@ singleuser:
 
         exec jupyterhub-singleuser \
           --FileCheckpoints.checkpoint_dir='/home/jovyan/.notebookCheckpoints' \
-          --LabApp.news_url=None \
           --NotebookNotary.db_file=':memory:' \
           "$@"
+    disable-labnews:
+      mode: 0644
+      mountPath: /opt/conda/share/jupyter/lab/settings/overrides.json
+      stringData: |-
+        {
+          "@jupyterlab/apputils-extension:notification": {
+            "checkForUpdates": "false",
+            "fetchNews": "false"
+          },
+          "@jupyterlab/application-extension:context-menu": {
+            "contextMenu": [
+              {
+                "command": "filebrowser:share-main",
+                "selector": ".jp-DirListing-item[data-isdir]",
+                "disabled": true
+              }
+            ]
+          }
+        }
 
 hub:
   services:

common/deployments/hub-staging.yaml

@@ -122,7 +122,6 @@ singleuser:
 
         exec jupyterhub-singleuser \
           --FileCheckpoints.checkpoint_dir='/home/jovyan/.notebookCheckpoints' \
-          --LabApp.news_url=None \
           --NotebookNotary.db_file=':memory:' \
           "$@"
     disable-labnews:

testing/deployments/hub.yaml

@@ -123,9 +123,27 @@ singleuser:
 
         exec jupyterhub-singleuser \
           --FileCheckpoints.checkpoint_dir='/home/jovyan/.notebookCheckpoints' \
-          --LabApp.news_url=None \
           --NotebookNotary.db_file=':memory:' \
           "$@"
+    disable-labnews:
+      mode: 0644
+      mountPath: /opt/conda/share/jupyter/lab/settings/overrides.json
+      stringData: |-
+        {
+          "@jupyterlab/apputils-extension:notification": {
+            "checkForUpdates": "false",
+            "fetchNews": "false"
+          },
+          "@jupyterlab/application-extension:context-menu": {
+            "contextMenu": [
+              {
+                "command": "filebrowser:share-main",
+                "selector": ".jp-DirListing-item[data-isdir]",
+                "disabled": true
+              }
+            ]
+          }
+        }
 
 hub:
   services: