get ws port

Signed-off-by: Adem Baccara <71262172+Adembc@users.noreply.github.com>

workspaces/controller/config/samples/jupyterlab_v1beta1_workspacekind.yaml

@@ -99,38 +99,38 @@ spec:
         ##  - if the Workspace had activity in the last 60 seconds this command
         ##    should return status 0, otherwise it should return status 1
         ##
-        exec:
-           outputPath: "/tmp/activity_probe.json"
-           timeoutSeconds: 60
-           script: |-
-              #!/usr/bin/env bash
-  
-              set -euo pipefail
-
-              # Define the output path
-              output_path="/tmp/activity_probe.json"
-  
-              # Find the most recent modification time in the $HOME directory
-              last_activity_epoch=$(find "$HOME" -type f -printf '%T@\n' 2>/dev/null | awk 'max < $1 { max = $1 } END { print max }')
-  
-              # Write the last activity time to the output path
-              if [ -n "$last_activity_epoch" ]; then
-              # Convert epoch time to ISO 8601 format
-              last_activity=$(date -d "@$last_activity_epoch" -Iseconds)
-                    echo "{\"last_activity\": \"$last_activity\"}" > "$output_path"
-              else
-              # Handle the case where no files are found
-                    echo "{\"last_activity\": null}" > "$output_path"
-              fi
+#        exec:
+#           outputPath: "/tmp/activity_probe.json"
+#           timeoutSeconds: 60
+#           script: |-
+#              #!/usr/bin/env bash
+#
+#              set -euo pipefail
+#
+#              # Define the output path
+#              output_path="/tmp/activity_probe.json"
+#
+#              # Find the most recent modification time in the $HOME directory
+#              last_activity_epoch=$(find "$HOME" -type f -printf '%T@\n' 2>/dev/null | awk 'max < $1 { max = $1 } END { print max }')
+#
+#              # Write the last activity time to the output path
+#              if [ -n "$last_activity_epoch" ]; then
+#              # Convert epoch time to ISO 8601 format
+#              last_activity=$(date -d "@$last_activity_epoch" -Iseconds)
+#                    echo "{\"last_activity\": \"$last_activity\"}" > "$output_path"
+#              else
+#              # Handle the case where no files are found
+#                    echo "{\"last_activity\": null}" > "$output_path"
+#              fi
         ## OPTION 2: a Jupyter-specific probe
         ##  - will poll the `/api/status` endpoint of the Jupyter API, and use the `last_activity` field
         ##    https://github.com/jupyter-server/jupyter_server/blob/v2.13.0/jupyter_server/services/api/handlers.py#L62-L67
         ##  - note, users need to be careful that their other probes don't trigger a "last_activity" update
         ##    e.g. they should only check the health of Jupyter using the `/api/status` endpoint
-        ##
-#        jupyter:
-#          lastActivity: true
-#          portId: jupyterlab
+        #
+        jupyter:
+          lastActivity: true
+          portId: jupyterlab
 
     ## standard probes to determine Container health (MUTABLE)
     ##  - spec for Probe:

workspaces/controller/internal/controller/culling_controller.go

@@ -174,8 +174,17 @@ func (r *CullingReconciler) Reconcile(ctx context.Context, req ctrl.Request) (ct
 				Message:     "Failed to fetch service name for workspace",
 			}, nil, nil)
 		}
-		port := "8888"
-		jupyterAPIEndpoint := fmt.Sprintf("http://%s.%s.svc.%s:%s/workspace/%s/%s/jupyterlab/api/status", serviceName, workspace.Namespace, defaultClusterDomain, port, workspace.Namespace, workspace.Name)
+		port, err := r.getWorkspacePort(ctx, workspace, workspaceKind)
+		if err != nil {
+			log.Error(err, "Error fetching port for workspace")
+			return r.updateWorkspaceActivityStatus(ctx, log, workspace, &minRequeueAfter, &kubefloworgv1beta1.ProbeStatus{
+				StartTimeMs: probeStartTime.UnixMilli(),
+				EndTimeMs:   time.Now().UnixMilli(),
+				Result:      kubefloworgv1beta1.ProbeResultFailure,
+				Message:     "Failed to fetch port for workspace",
+			}, nil, nil)
+		}
+		jupyterAPIEndpoint := fmt.Sprintf("http://%s.%s.svc.%s:%d/workspace/%s/%s/jupyterlab/api/status", serviceName, workspace.Namespace, defaultClusterDomain, port, workspace.Namespace, workspace.Name)
 
 		lastActivity, err, probeMessage, probeResult := fetchLastActivityFromJupyterAPI(jupyterAPIEndpoint)
 		if err != nil {
@@ -211,6 +220,7 @@ func (r *CullingReconciler) Reconcile(ctx context.Context, req ctrl.Request) (ct
 		}, ptr.To(probeStartTime.Unix()), ptr.To(lastActivity.Unix()))
 	}
 
+	// Check if Bash probing is enabled
 	if workspaceKind.Spec.PodTemplate.Culling.ActivityProbe.Exec != nil {
 		probeStartTime := time.Now()
 		podName, err := r.getPodName(ctx, workspace)
@@ -369,6 +379,19 @@ func (r *CullingReconciler) getServiceName(ctx context.Context, workspace *kubef
 	return ownedServices.Items[0].Name, nil
 }
 
+func (r *CullingReconciler) getWorkspacePort(ctx context.Context, workspace *kubefloworgv1beta1.Workspace, workspaceKind *kubefloworgv1beta1.WorkspaceKind) (int32, error) {
+	for _, imageConfigValue := range workspaceKind.Spec.PodTemplate.Options.ImageConfig.Values {
+		if imageConfigValue.Id == workspace.Spec.PodTemplate.Options.ImageConfig {
+			for _, port := range imageConfigValue.Spec.Ports {
+				if port.Id == workspaceKind.Spec.PodTemplate.Culling.ActivityProbe.Jupyter.PortId {
+					return port.Port, nil
+				}
+			}
+		}
+	}
+	return 0, errors.New("port not found")
+}
+
 func (r *CullingReconciler) getPodName(ctx context.Context, workspace *kubefloworgv1beta1.Workspace) (string, error) {
 	var statefulSetName string
 	ownedStatefulSets := &appsv1.StatefulSetList{}