Adding the Volume and volumeMount with code review comments. and rebased with the master.

Signed-off-by: lrangine <[email protected]>

Signed-off-by: lrangine <[email protected]>

Author: lokeshrangineni

infra/feast-operator/api/v1alpha1/featurestore_types.go

@@ -78,6 +78,8 @@ type FeatureStoreServices struct {
 	DeploymentStrategy *appsv1.DeploymentStrategy `json:"deploymentStrategy,omitempty"`
 	// Disable the 'feast repo initialization' initContainer
 	DisableInitContainers bool `json:"disableInitContainers,omitempty"`
+	// Volumes specifies the volumes to mount in the FeatureStore deployment. A corresponding `VolumeMount` should be added to whichever feast service(s) require access to said volume(s).
+	Volumes []corev1.Volume `json:"volumes,omitempty"`
 }
 
 // OfflineStore configures the deployed offline store service
@@ -89,6 +91,11 @@ type OfflineStore struct {
 	// Allowed values: "debug", "info", "warning", "error", "critical".
 	// +kubebuilder:validation:Enum=debug;info;warning;error;critical
 	LogLevel string `json:"logLevel,omitempty"`
+	// VolumeMounts defines the list of volumes that should be mounted into the feast container.
+	// This allows attaching persistent storage, config files, secrets, or other resources
+	// required by the Feast components. Ensure that each volume mount has a corresponding
+	// volume definition in the Volumes field.
+	VolumeMounts []corev1.VolumeMount `json:"volumeMounts,omitempty"`
 }
 
 // OfflineStorePersistence configures the persistence settings for the offline store service
@@ -142,6 +149,12 @@ type OnlineStore struct {
 	// Allowed values: "debug", "info", "warning", "error", "critical".
 	// +kubebuilder:validation:Enum=debug;info;warning;error;critical
 	LogLevel string `json:"logLevel,omitempty"`
+
+	// VolumeMounts defines the list of volumes that should be mounted into the feast container.
+	// This allows attaching persistent storage, config files, secrets, or other resources
+	// required by the Feast components. Ensure that each volume mount has a corresponding
+	// volume definition in the Volumes field.
+	VolumeMounts []corev1.VolumeMount `json:"volumeMounts,omitempty"`
 }
 
 // OnlineStorePersistence configures the persistence settings for the online store service
@@ -151,7 +164,7 @@ type OnlineStorePersistence struct {
 	DBPersistence   *OnlineStoreDBStorePersistence `json:"store,omitempty"`
 }
 
-// OnlineStoreFilePersistence configures the file-based persistence for the offline store service
+// OnlineStoreFilePersistence configures the file-based persistence for the online store service
 // +kubebuilder:validation:XValidation:rule="(!has(self.pvc) && has(self.path)) ? self.path.startsWith('/') : true",message="Ephemeral stores must have absolute paths."
 // +kubebuilder:validation:XValidation:rule="(has(self.pvc) && has(self.path)) ? !self.path.startsWith('/') : true",message="PVC path must be a file name only, with no slashes."
 // +kubebuilder:validation:XValidation:rule="has(self.path) ? !(self.path.startsWith('s3://') || self.path.startsWith('gs://')) : true",message="Online store does not support S3 or GS buckets."
@@ -160,7 +173,7 @@ type OnlineStoreFilePersistence struct {
 	PvcConfig *PvcConfig `json:"pvc,omitempty"`
 }
 
-// OnlineStoreDBStorePersistence configures the DB store persistence for the offline store service
+// OnlineStoreDBStorePersistence configures the DB store persistence for the online store service
 type OnlineStoreDBStorePersistence struct {
 	// +kubebuilder:validation:Enum=snowflake.online;redis;ikv;datastore;dynamodb;bigtable;postgres;cassandra;mysql;hazelcast;singlestore;hbase;elasticsearch;qdrant;couchbase;milvus
 	Type string `json:"type"`
@@ -198,6 +211,11 @@ type LocalRegistryConfig struct {
 	// Allowed values: "debug", "info", "warning", "error", "critical".
 	// +kubebuilder:validation:Enum=debug;info;warning;error;critical
 	LogLevel string `json:"logLevel,omitempty"`
+	// VolumeMounts defines the list of volumes that should be mounted into the feast container.
+	// This allows attaching persistent storage, config files, secrets, or other resources
+	// required by the Feast components. Ensure that each volume mount has a corresponding
+	// volume definition in the Volumes field.
+	VolumeMounts []corev1.VolumeMount `json:"volumeMounts,omitempty"`
 }
 
 // RegistryPersistence configures the persistence settings for the registry service
@@ -290,6 +308,11 @@ type UIService struct {
 	// Allowed values: "debug", "info", "warning", "error", "critical".
 	// +kubebuilder:validation:Enum=debug;info;warning;error;critical
 	LogLevel string `json:"logLevel,omitempty"`
+	// VolumeMounts defines the list of volumes that should be mounted into the feast UI container.
+	// This allows attaching persistent storage, config files, secrets, or other resources
+	// required by the Feast components. Ensure that each volume mount has a corresponding
+	// volume definition in the Volumes field.
+	VolumeMounts []corev1.VolumeMount `json:"volumeMounts,omitempty"`
 }
 
 // FeatureStoreRef defines which existing FeatureStore's registry should be used

infra/feast-operator/api/v1alpha1/zz_generated.deepcopy.go

@@ -95,6 +95,7 @@ _Appears in:_
 | `ui` _[UIService](#uiservice)_ |  |
 | `deploymentStrategy` _[DeploymentStrategy](https://kubernetes.io/docs/reference/generated/kubernetes-api/v1.30/#deploymentstrategy-v1-apps)_ |  |
 | `disableInitContainers` _boolean_ | Disable the 'feast repo initialization' initContainer |
+| `volumes` _[Volume](https://kubernetes.io/docs/reference/generated/kubernetes-api/v1.30/#volume-v1-core) array_ | Volumes specifies the list of volumes to mount in the FeatureStore deployment. |
 
 
 #### FeatureStoreSpec
@@ -195,6 +196,7 @@ _Appears in:_
 | `tls` _[TlsConfigs](#tlsconfigs)_ |  |
 | `logLevel` _string_ | LogLevel sets the logging level for the offline store service
 Allowed values: "debug", "info", "warning", "error", "critical". |
+| `volumeMounts` _[VolumeMount](https://kubernetes.io/docs/reference/generated/kubernetes-api/v1.30/#volumemount-v1-core) array_ |  |
 
 
 #### OfflineStoreDBStorePersistence
@@ -278,13 +280,14 @@ _Appears in:_
 | `tls` _[TlsConfigs](#tlsconfigs)_ |  |
 | `logLevel` _string_ | LogLevel sets the logging level for the online store service
 Allowed values: "debug", "info", "warning", "error", "critical". |
+| `volumeMounts` _[VolumeMount](https://kubernetes.io/docs/reference/generated/kubernetes-api/v1.30/#volumemount-v1-core) array_ |  |
 
 
 #### OnlineStoreDBStorePersistence
 
 
 
-OnlineStoreDBStorePersistence configures the DB store persistence for the offline store service
+OnlineStoreDBStorePersistence configures the DB store persistence for the online store service
 
 _Appears in:_
 - [OnlineStorePersistence](#onlinestorepersistence)
@@ -300,7 +303,7 @@ _Appears in:_
 
 
 
-OnlineStoreFilePersistence configures the file-based persistence for the offline store service
+OnlineStoreFilePersistence configures the file-based persistence for the online store service
 
 _Appears in:_
 - [OnlineStorePersistence](#onlinestorepersistence)
@@ -375,6 +378,7 @@ _Appears in:_
 | --- | --- |
 | `local` _[LocalRegistryConfig](#localregistryconfig)_ |  |
 | `remote` _[RemoteRegistryConfig](#remoteregistryconfig)_ |  |
+| `volumeMounts` _[VolumeMount](https://kubernetes.io/docs/reference/generated/kubernetes-api/v1.30/#volumemount-v1-core) array_ |  |
 
 
 #### RegistryDBStorePersistence
@@ -537,5 +541,6 @@ _Appears in:_
 | `tls` _[TlsConfigs](#tlsconfigs)_ |  |
 | `logLevel` _string_ | LogLevel sets the logging level for the UI service
 Allowed values: "debug", "info", "warning", "error", "critical". |
+| `volumeMounts` _[VolumeMount](https://kubernetes.io/docs/reference/generated/kubernetes-api/v1.30/#volumemount-v1-core) array_ |  |
 
 

infra/feast-operator/docs/api/markdown/ref.md

@@ -104,14 +104,38 @@ func createFeatureStoreResource(resourceName string, image string, pullPolicy co
 		Spec: feastdevv1alpha1.FeatureStoreSpec{
 			FeastProject: feastProject,
 			Services: &feastdevv1alpha1.FeatureStoreServices{
+				Volumes: []corev1.Volume{
+					{
+						Name: "config-volume",
+						VolumeSource: corev1.VolumeSource{
+							ConfigMap: &corev1.ConfigMapVolumeSource{
+								LocalObjectReference: corev1.LocalObjectReference{
+									Name: "my-config",
+								},
+							},
+						},
+					},
+				},
 				OfflineStore: &feastdevv1alpha1.OfflineStore{
+					VolumeMounts: []corev1.VolumeMount{
+						{
+							Name:      "config-volume",
+							MountPath: "/etc/service-config",
+						},
+					},
 					ServiceConfigs: feastdevv1alpha1.ServiceConfigs{
 						OptionalConfigs: feastdevv1alpha1.OptionalConfigs{
 							EnvFrom: envFromVar,
 						},
 					},
 				},
 				OnlineStore: &feastdevv1alpha1.OnlineStore{
+					VolumeMounts: []corev1.VolumeMount{
+						{
+							Name:      "config-volume",
+							MountPath: "/etc/service-config",
+						},
+					},
 					ServiceConfigs: feastdevv1alpha1.ServiceConfigs{
 						DefaultConfigs: feastdevv1alpha1.DefaultConfigs{
 							Image: &image,

infra/feast-operator/internal/controller/featurestore_controller_test_utils_test.go

@@ -325,6 +325,13 @@ func (feast *FeastServices) createPVC(pvcCreate *feastdevv1alpha1.PvcCreate, fea
 }
 
 func (feast *FeastServices) setDeployment(deploy *appsv1.Deployment) error {
+	var volumes []corev1.Volume
+	if feast.Handler.FeatureStore.Spec.Services != nil {
+		volumes = feast.Handler.FeatureStore.Spec.Services.Volumes
+	}
+	if volumes == nil {
+		volumes = []corev1.Volume{} // Ensure it's an empty slice instead of nil
+	}
 	deploy.Labels = feast.getLabels()
 	deploy.Spec = appsv1.DeploymentSpec{
 		Replicas: &DefaultReplicas,
@@ -336,6 +343,7 @@ func (feast *FeastServices) setDeployment(deploy *appsv1.Deployment) error {
 			},
 			Spec: corev1.PodSpec{
 				ServiceAccountName: feast.initFeastSA().Name,
+				Volumes:            volumes,
 			},
 		},
 	}
@@ -379,7 +387,8 @@ func (feast *FeastServices) setContainers(podSpec *corev1.PodSpec) error {
 	return nil
 }
 
-func (feast *FeastServices) setContainer(containers *[]corev1.Container, feastType FeastServiceType, fsYamlB64 string) {
+func (feast *FeastServices) setContainer(containers *[]corev1.Container, feastType FeastServiceType,
+	fsYamlB64 string) {
 	tls := feast.getTlsConfigs(feastType)
 	serviceConfigs := feast.getServiceConfigs(feastType)
 	defaultServiceConfigs := serviceConfigs.DefaultConfigs
@@ -416,11 +425,40 @@ func (feast *FeastServices) setContainer(containers *[]corev1.Container, feastTy
 			ProbeHandler:  probeHandler,
 			PeriodSeconds: 10,
 		},
+		VolumeMounts: feast.getVolumeMounts(feastType),
 	}
 	applyOptionalContainerConfigs(container, serviceConfigs.OptionalConfigs)
 	*containers = append(*containers, *container)
 }
 
+func (feast *FeastServices) getVolumeMounts(feastType FeastServiceType) (volumeMounts []corev1.VolumeMount) {
+	appliedServices := feast.Handler.FeatureStore.Status.Applied.Services
+	if appliedServices == nil {
+		return []corev1.VolumeMount{} // Return an empty slice to avoid nil issues
+	}
+
+	switch feastType {
+	case OfflineFeastType:
+		if feast.isOfflinStore() {
+			return appliedServices.OfflineStore.VolumeMounts
+		}
+	case OnlineFeastType:
+		if feast.isOnlinStore() {
+			return appliedServices.OnlineStore.VolumeMounts
+		}
+	case RegistryFeastType:
+		if feast.isLocalRegistry() {
+			return appliedServices.Registry.Local.VolumeMounts
+		}
+	case UIFeastType:
+		if feast.isUI() {
+			return appliedServices.UI.VolumeMounts
+		}
+	}
+
+	return []corev1.VolumeMount{} // Default empty slice
+}
+
 func (feast *FeastServices) setRoute(route *routev1.Route, feastType FeastServiceType) error {
 
 	svcName := feast.GetFeastServiceName(feastType)