Update jupyter configuration for network connection

manifests/helm/jupyterlab/1.0.0/templates/configmap.yaml

@@ -10,3 +10,10 @@ data:
     #!/bin/bash
     apt-get update -y
     python -m pip install --no-cache-dir --upgrade pip
+  jupyter_server_config.py: |
+    # Idle kernel culling
+    # idleCullTimeout=0: culling disabled; positive value: seconds before shutdown
+    c.MappingKernelManager.cull_idle_timeout = {{ int .Values.jupyterConfig.idleCullTimeout }}
+    c.MappingKernelManager.cull_interval = {{ int .Values.jupyterConfig.idleCullInterval }}
+    # Do not cull kernels that have an active connection (browser tab open)
+    c.MappingKernelManager.cull_connected = False

manifests/helm/jupyterlab/1.0.0/templates/deployment.yaml

@@ -19,6 +19,15 @@ spec:
       securityContext:
         runAsUser: 1000
         fsGroup: 100
+        {{- if .Values.tcpKeepalive.enabled }}
+        sysctls:
+          - name: net.ipv4.tcp_keepalive_time
+            value: {{ .Values.tcpKeepalive.time | quote }}
+          - name: net.ipv4.tcp_keepalive_intvl
+            value: {{ .Values.tcpKeepalive.intvl | quote }}
+          - name: net.ipv4.tcp_keepalive_probes
+            value: {{ .Values.tcpKeepalive.probes | quote }}
+        {{- end }}
       {{- if .Values.imagePullSecrets }}
       imagePullSecrets:
         {{- toYaml .Values.imagePullSecrets | nindent 8 }}
@@ -63,6 +72,10 @@ spec:
             - name: startup-script
               mountPath: /usr/local/bin/start-notebook.d/startup-script.sh
               subPath: startup-script.sh
+            - name: startup-script
+              mountPath: /etc/jupyter/jupyter_server_config.py
+              subPath: jupyter_server_config.py
+              readOnly: true
             {{- if .Values.homeVolume.enabled }}
             - name: home-volume
               mountPath: {{ include "jupyterlab.homeDir" . }}

manifests/helm/jupyterlab/1.0.0/templates/service.yaml

@@ -5,6 +5,10 @@ metadata:
   namespace: {{ .Release.Namespace }}
   labels:
     {{- include "jupyterlab.labels" . | nindent 4 }}
+  {{- with .Values.service.annotations }}
+  annotations:
+    {{- toYaml . | nindent 4 }}
+  {{- end }}
 spec:
   type: ClusterIP
   selector: