configuration implementation

Signed-off-by: Shmuel Kallner <[email protected]>

Author: shmuelk

PROJECT

@@ -24,4 +24,12 @@ resources:
   kind: InferenceModel
   path: sigs.k8s.io/gateway-api-inference-extension/api/v1alpha1
   version: v1alpha1
+- api:
+    crdVersion: v1
+    namespaced: true
+  domain: x-k8s.io
+  group: inference
+  kind: EndpointPickerConfig
+  path: sigs.k8s.io/gateway-api-inference-extension/api/config/v1alpha1
+  version: v1alpha1
 version: "3"

api/config/v1alpha1/defaults.go

@@ -0,0 +1,25 @@
+/*
+Copyright 2025 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package v1alpha1
+
+// SetDefaults_EndpointPickerConfig sets default values in a
+// EndpointPickerConfig struct.
+//
+// This naming convension is required by the defalter-gen code.
+func SetDefaults_EndpointPickerConfig(cfg *EndpointPickerConfig) {
+
+}

api/config/v1alpha1/doc.go

@@ -0,0 +1,22 @@
+/*
+Copyright 2025 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+// Package v1alpha1 contains API Schema definitions for the
+// inference.networking.x-k8s.io API group.
+//
+// +kubebuilder:object:generate=true
+// +groupName=inference.networking.x-k8s.io
+package v1alpha1

api/config/v1alpha1/endpointpickerconfig_types.go

@@ -0,0 +1,62 @@
+/*
+Copyright 2025 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package v1alpha1
+
+import (
+	"encoding/json"
+
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+)
+
+// +k8s:defaulter-gen=true
+// +kubebuilder:object:root=true
+
+// EndpointPickerConfig is the Schema for the endpointpickerconfigs API
+type EndpointPickerConfig struct {
+	metav1.TypeMeta `json:",inline"`
+
+	// +required
+	// +kubebuilder:validation:Required
+	Plugins map[string]PluginSpec `json:"plugins"`
+
+	// +required
+	// +kubebuilder:validation:Required
+	SchedulingProfiles map[string]SchedulingProfile `json:"schedulingProfiles"`
+}
+type PluginSpec struct {
+	// +required
+	// +kubebuilder:validation:Required
+	PluginName string `json:"pluginName"`
+
+	// +optional
+	Parameters json.RawMessage `json:"parameters"`
+}
+
+type SchedulingProfile struct {
+	// +required
+	// +kubebuilder:validation:Required
+	Plugins []SchedulingProfilePlugin `json:"plugins"`
+}
+
+type SchedulingProfilePlugin struct {
+	// +required
+	// +kubebuilder:validation:Required
+	PluginRef string `json:"pluginRef"`
+
+	// +optional
+	Weight *int `json:"weight"`
+}