component-level failure detection for RayCluster and RayJob (#166)

Author: dgrove-oss

internal/controller/appwrapper/appwrapper_controller.go

@@ -514,12 +514,32 @@ func (r *AppWrapperReconciler) getPodStatus(ctx context.Context, aw *workloadv1b
 	return summary, nil
 }
 
+//gocyclo:ignore
 func (r *AppWrapperReconciler) getComponentStatus(ctx context.Context, aw *workloadv1beta2.AppWrapper) (*componentStatusSummary, error) {
 	summary := &componentStatusSummary{expected: int32(len(aw.Status.ComponentStatus))}
 
 	for componentIdx := range aw.Status.ComponentStatus {
 		cs := &aw.Status.ComponentStatus[componentIdx]
 		switch cs.APIVersion + ":" + cs.Kind {
+
+		case "batch/v1:Job":
+			obj := &batchv1.Job{}
+			if err := r.Get(ctx, types.NamespacedName{Name: cs.Name, Namespace: aw.Namespace}, obj); err == nil {
+				if obj.GetDeletionTimestamp().IsZero() {
+					summary.deployed += 1
+
+					// batch/v1 Jobs are failed when status.Conditions contains an entry with type "Failed" and status "True"
+					for _, jc := range obj.Status.Conditions {
+						if jc.Type == batchv1.JobFailed && jc.Status == v1.ConditionTrue {
+							summary.failed += 1
+						}
+					}
+				}
+
+			} else if !apierrors.IsNotFound(err) {
+				return nil, err
+			}
+
 		case "kubeflow.org/v1:PyTorchJob":
 			obj := &unstructured.Unstructured{}
 			obj.SetAPIVersion(cs.APIVersion)
@@ -555,20 +575,52 @@ func (r *AppWrapperReconciler) getComponentStatus(ctx context.Context, aw *workl
 				return nil, err
 			}
 
-		case "batch/v1:Job":
-			obj := &batchv1.Job{}
+		case "ray.io/v1:RayCluster":
+			obj := &unstructured.Unstructured{}
+			obj.SetAPIVersion(cs.APIVersion)
+			obj.SetKind(cs.Kind)
 			if err := r.Get(ctx, types.NamespacedName{Name: cs.Name, Namespace: aw.Namespace}, obj); err == nil {
 				if obj.GetDeletionTimestamp().IsZero() {
 					summary.deployed += 1
 
-					// batch/v1 Jobs are failed when status.Conditions contains an entry with type "Failed" and status "True"
-					for _, jc := range obj.Status.Conditions {
-						if jc.Type == batchv1.JobFailed && jc.Status == v1.ConditionTrue {
-							summary.failed += 1
-						}
+					// RayCluster is failed if status.State is "failed"
+					status, ok := obj.UnstructuredContent()["status"]
+					if !ok {
+						continue
+					}
+					state, ok := status.(map[string]interface{})["state"]
+					if !ok {
+						continue
+					}
+					if state.(string) == "failed" {
+						summary.failed += 1
 					}
 				}
+			} else if !apierrors.IsNotFound(err) {
+				return nil, err
+			}
+
+		case "ray.io/v1:RayJob":
+			obj := &unstructured.Unstructured{}
+			obj.SetAPIVersion(cs.APIVersion)
+			obj.SetKind(cs.Kind)
+			if err := r.Get(ctx, types.NamespacedName{Name: cs.Name, Namespace: aw.Namespace}, obj); err == nil {
+				if obj.GetDeletionTimestamp().IsZero() {
+					summary.deployed += 1
 
+					// RayJob is failed if status.jobsStatus is "FAILED"
+					status, ok := obj.UnstructuredContent()["status"]
+					if !ok {
+						continue
+					}
+					jobStatus, ok := status.(map[string]interface{})["jobStatus"]
+					if !ok {
+						continue
+					}
+					if jobStatus.(string) == "FAILED" {
+						summary.failed += 1
+					}
+				}
 			} else if !apierrors.IsNotFound(err) {
 				return nil, err
 			}