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Add a new notebook_runtime script where includes the logic to create/…
…watch/update a new ConfigMap the `pipeline-runtime-images` for runtime images and mount it as volume on the notebook when is getting created
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1 +1 @@ | ||
| odh-notebook-controller-image=quay.io/opendatahub/odh-notebook-controller:main | ||
| odh-notebook-controller-image=quay.io/rh_ee_atheodor/odh-notebook-controller:runtime-configmapv1 |
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251 changes: 251 additions & 0 deletions
251
components/odh-notebook-controller/controllers/notebook_runtime.go
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,251 @@ | ||
| package controllers | ||
|
|
||
| import ( | ||
| "context" | ||
| "encoding/json" | ||
| "strings" | ||
|
|
||
| "github.com/go-logr/logr" | ||
| nbv1 "github.com/kubeflow/kubeflow/components/notebook-controller/api/v1" | ||
| corev1 "k8s.io/api/core/v1" | ||
| apierrs "k8s.io/apimachinery/pkg/api/errors" | ||
| metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" | ||
| "k8s.io/apimachinery/pkg/apis/meta/v1/unstructured" | ||
| "k8s.io/apimachinery/pkg/runtime/schema" | ||
| "k8s.io/apimachinery/pkg/types" | ||
| "k8s.io/client-go/dynamic" | ||
| "k8s.io/client-go/rest" | ||
| ) | ||
|
|
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| // ConfigMap name for runtime images | ||
| const configMapName = "pipeline-runtime-images" | ||
|
|
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| // checkConfigMapExists verifies if a ConfigMap exists in the namespace. | ||
| func (r *OpenshiftNotebookReconciler) checkConfigMapExists(ctx context.Context, configMapName, namespace string) (bool, error) { | ||
| configMap := &corev1.ConfigMap{} | ||
| err := r.Get(ctx, types.NamespacedName{Name: configMapName, Namespace: namespace}, configMap) | ||
| if err != nil { | ||
| if apierrs.IsNotFound(err) { | ||
| return false, nil // ConfigMap not found | ||
| } | ||
| return false, err // Some other error occurred | ||
| } | ||
| //r.Log.Info("ConfigMap found", "ConfigMap.Name", configMapName, "Namespace", namespace) | ||
| return true, nil // ConfigMap exists | ||
| } | ||
|
|
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| func (r *OpenshiftNotebookReconciler) syncRuntimeImagesConfigMap(ctx context.Context, notebookNamespace string) error { | ||
| log := r.Log.WithValues("namespace", notebookNamespace) | ||
|
|
||
| // Create a dynamic client | ||
| config, err := rest.InClusterConfig() | ||
| if err != nil { | ||
| log.Error(err, "Error creating cluster config") | ||
| return err | ||
| } | ||
| dynamicClient, err := dynamic.NewForConfig(config) | ||
| if err != nil { | ||
| log.Error(err, "Error creating dynamic client") | ||
| return err | ||
| } | ||
|
|
||
| // Define GroupVersionResource for ImageStreams | ||
| ims := schema.GroupVersionResource{ | ||
| Group: "image.openshift.io", | ||
| Version: "v1", | ||
| Resource: "imagestreams", | ||
| } | ||
|
|
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| // Fetch ImageStreams from "redhat-ods-applications" namespace | ||
| imageStreamNamespace := "redhat-ods-applications" | ||
| imagestreams, err := dynamicClient.Resource(ims).Namespace(imageStreamNamespace).List(ctx, metav1.ListOptions{}) | ||
| if err != nil { | ||
| log.Error(err, "Failed to list ImageStreams", "Namespace", imageStreamNamespace) | ||
| return err | ||
| } | ||
|
|
||
| // Prepare data for ConfigMap | ||
| data := make(map[string]string) | ||
| for _, item := range imagestreams.Items { | ||
| labels := item.GetLabels() | ||
| if labels["opendatahub.io/runtime-image"] == "true" { | ||
| tags, found, err := unstructured.NestedSlice(item.Object, "spec", "tags") | ||
| if err != nil || !found { | ||
| log.Error(err, "Failed to extract tags from ImageStream", "ImageStream", item.GetName()) | ||
| continue | ||
| } | ||
|
|
||
| for _, tag := range tags { | ||
| tagMap, ok := tag.(map[string]interface{}) | ||
| if !ok { | ||
| continue | ||
| } | ||
|
|
||
| // Extract metadata annotation | ||
| annotations, found, err := unstructured.NestedMap(tagMap, "annotations") | ||
| if err != nil || !found { | ||
| annotations = map[string]interface{}{} | ||
| } | ||
|
|
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| metadataRaw, ok := annotations["opendatahub.io/runtime-image-metadata"].(string) | ||
| if !ok || metadataRaw == "" { | ||
| metadataRaw = "[]" | ||
| } | ||
|
|
||
| // Parse metadata | ||
| metadataParsed := parseRuntimeImageMetadata(metadataRaw) | ||
| displayName := extractDisplayName(metadataParsed) | ||
|
|
||
| // Construct the key name | ||
| if displayName != "" { | ||
| formattedName := formatKeyName(displayName) | ||
| data[formattedName] = metadataParsed | ||
| } | ||
| } | ||
| } | ||
| } | ||
|
|
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| // Create or update the ConfigMap in the Notebook's namespace | ||
| configMap := &corev1.ConfigMap{ | ||
| ObjectMeta: metav1.ObjectMeta{ | ||
| Name: configMapName, | ||
| Namespace: notebookNamespace, | ||
| Labels: map[string]string{"opendatahub.io/managed-by": "workbenches"}, | ||
| }, | ||
| Data: data, | ||
| } | ||
|
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| configMapExists, err := r.checkConfigMapExists(ctx, configMapName, notebookNamespace) | ||
| if err != nil { | ||
| log.Error(err, "Error checking if ConfigMap exists", "ConfigMap.Name", configMapName) | ||
| return err | ||
| } | ||
|
|
||
| if configMapExists { | ||
| existingConfigMap := &corev1.ConfigMap{} | ||
| if err := r.Get(ctx, types.NamespacedName{Name: configMapName, Namespace: notebookNamespace}, existingConfigMap); err != nil { | ||
| log.Error(err, "Failed to get existing ConfigMap", "ConfigMap.Name", configMapName) | ||
| return err | ||
| } | ||
|
|
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| if !jsonEqual(existingConfigMap.Data, data) { | ||
| existingConfigMap.Data = data | ||
| if err := r.Update(ctx, existingConfigMap); err != nil { | ||
| log.Error(err, "Failed to update ConfigMap", "ConfigMap.Name", configMapName) | ||
| return err | ||
| } | ||
| log.Info("Updated existing ConfigMap with new runtime images", "ConfigMap.Name", configMapName) | ||
| } | ||
| } else { | ||
| if err := r.Create(ctx, configMap); err != nil { | ||
| log.Error(err, "Failed to create ConfigMap", "ConfigMap.Name", configMapName) | ||
| return err | ||
| } | ||
| log.Info("Created new ConfigMap for runtime images", "ConfigMap.Name", configMapName) | ||
| } | ||
|
|
||
| return nil | ||
| } | ||
|
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| // jsonEqual compares two JSON-like maps for equality. | ||
| func jsonEqual(a, b map[string]string) bool { | ||
| aBytes, _ := json.Marshal(a) | ||
| bBytes, _ := json.Marshal(b) | ||
| return string(aBytes) == string(bBytes) | ||
| } | ||
|
|
||
| func extractDisplayName(metadata string) string { | ||
| var metadataMap map[string]interface{} | ||
| err := json.Unmarshal([]byte(metadata), &metadataMap) | ||
| if err != nil { | ||
| return "" | ||
| } | ||
| displayName, ok := metadataMap["display_name"].(string) | ||
| if !ok { | ||
| return "" | ||
| } | ||
| return displayName | ||
| } | ||
|
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| func formatKeyName(displayName string) string { | ||
| replacer := strings.NewReplacer(" ", "-", "(", "", ")", "") | ||
| return strings.ToLower(replacer.Replace(displayName)) + ".json" | ||
| } | ||
|
|
||
| // parseRuntimeImageMetadata extracts the first object from the JSON array | ||
| func parseRuntimeImageMetadata(rawJSON string) string { | ||
| var metadataArray []map[string]interface{} | ||
|
|
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| err := json.Unmarshal([]byte(rawJSON), &metadataArray) | ||
| if err != nil || len(metadataArray) == 0 { | ||
| return "{}" // Return empty JSON object if parsing fails | ||
| } | ||
|
|
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| // Convert first object back to JSON | ||
| metadataJSON, err := json.Marshal(metadataArray[0]) | ||
| if err != nil { | ||
| return "{}" | ||
| } | ||
|
|
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| return string(metadataJSON) | ||
| } | ||
|
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| func (r *OpenshiftNotebookReconciler) EnsureNotebookConfigMap(notebook *nbv1.Notebook, ctx context.Context) error { | ||
| return r.syncRuntimeImagesConfigMap(ctx, notebook.Namespace) | ||
| } | ||
|
|
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| func MountPipelineRuntimeImages(notebook *nbv1.Notebook, log logr.Logger) error { | ||
|
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| configMapName := "pipeline-runtime-images" | ||
| mountPath := "/opt/app-root/pipeline-runtimes/" | ||
| volumeName := "runtime-images" | ||
|
|
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| // Define the volume | ||
| configVolume := corev1.Volume{ | ||
| Name: volumeName, | ||
| VolumeSource: corev1.VolumeSource{ | ||
| ConfigMap: &corev1.ConfigMapVolumeSource{ | ||
| LocalObjectReference: corev1.LocalObjectReference{ | ||
| Name: configMapName, | ||
| }, | ||
| }, | ||
| }, | ||
| } | ||
|
|
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| // Define the volume mount | ||
| volumeMount := corev1.VolumeMount{ | ||
| Name: volumeName, | ||
| MountPath: mountPath, | ||
| } | ||
|
|
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| // Append the volume if it does not already exist | ||
| volumes := ¬ebook.Spec.Template.Spec.Volumes | ||
| volumeExists := false | ||
| for _, v := range *volumes { | ||
| if v.Name == volumeName { | ||
| volumeExists = true | ||
| break | ||
| } | ||
| } | ||
| if !volumeExists { | ||
| *volumes = append(*volumes, configVolume) | ||
| } | ||
|
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| log.Info("Injecting runtime-images volume into notebook", "notebook", notebook.Name, "namespace", notebook.Namespace) | ||
|
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| // Append the volume mount to all containers | ||
| for i, container := range notebook.Spec.Template.Spec.Containers { | ||
| mountExists := false | ||
| for _, vm := range container.VolumeMounts { | ||
| if vm.Name == volumeName { | ||
| mountExists = true | ||
| break | ||
| } | ||
| } | ||
| if !mountExists { | ||
| notebook.Spec.Template.Spec.Containers[i].VolumeMounts = append(container.VolumeMounts, volumeMount) | ||
| } | ||
| } | ||
|
|
||
| return nil | ||
| } |
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