111 lines
3.2 KiB
Go
111 lines
3.2 KiB
Go
/*
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* SPDX-FileCopyrightText: Copyright (c) 2025-2026 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
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* SPDX-License-Identifier: Apache-2.0
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package modelendpoint
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import (
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"context"
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"net"
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"strconv"
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discoveryv1 "k8s.io/api/discovery/v1"
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"k8s.io/apimachinery/pkg/types"
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"sigs.k8s.io/controller-runtime/pkg/client"
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"sigs.k8s.io/controller-runtime/pkg/log"
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"sigs.k8s.io/controller-runtime/pkg/reconcile"
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"github.com/ai-dynamo/dynamo/deploy/operator/api/v1alpha1"
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)
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// ExtractCandidates extracts endpoint candidates from EndpointSlices
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// Returns all pod-backed endpoints regardless of ready status
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// The readiness will be determined by probing (for LoRA models) or set to false (for base models)
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func ExtractCandidates(endpointSlices *discoveryv1.EndpointSliceList, port int32) ([]Candidate, map[string]bool) {
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var candidates []Candidate
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serviceNames := make(map[string]bool)
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for _, slice := range endpointSlices.Items {
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serviceName := slice.Labels[discoveryv1.LabelServiceName]
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if serviceName != "" {
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serviceNames[serviceName] = true
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}
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for _, ep := range slice.Endpoints {
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if len(ep.Addresses) == 0 {
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continue
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}
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// Get pod name from TargetRef - skip if not a Pod
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if ep.TargetRef == nil || ep.TargetRef.Kind != "Pod" {
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continue
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}
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podName := ep.TargetRef.Name
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for _, addr := range ep.Addresses {
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address := "http://" + net.JoinHostPort(addr, strconv.Itoa(int(port)))
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candidates = append(candidates, Candidate{
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Address: address,
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PodName: podName,
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})
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}
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}
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}
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return candidates, serviceNames
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}
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// FindModelsForBaseModel finds all DynamoModels that match a specific index value
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// Uses field indexer for efficient O(1) lookup
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// The indexValue can be a base model name or hash, depending on the indexField
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func FindModelsForBaseModel(
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ctx context.Context,
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c client.Client,
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namespace string,
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indexValue string,
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indexField string,
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) ([]reconcile.Request, error) {
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logs := log.FromContext(ctx)
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models := &v1alpha1.DynamoModelList{}
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if err := c.List(ctx, models,
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client.InNamespace(namespace),
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client.MatchingFields{indexField: indexValue},
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); err != nil {
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logs.Error(err, "Failed to list DynamoModels", "indexField", indexField, "indexValue", indexValue)
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return nil, err
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}
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requests := make([]reconcile.Request, 0, len(models.Items))
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for _, model := range models.Items {
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requests = append(requests, reconcile.Request{
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NamespacedName: types.NamespacedName{
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Name: model.Name,
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Namespace: model.Namespace,
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},
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})
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}
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if len(requests) > 0 {
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logs.V(1).Info("Found DynamoModels for index value",
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"indexField", indexField,
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"indexValue", indexValue,
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"count", len(requests))
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}
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return requests, nil
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}
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