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f1ce84996d
- Add enable configuration for all model service providers - Migrate environment variables from MILVUSAI_* to MILVUS_* prefix with backward compatibility - Unify model service enable/disable logic using configuration - Add tests for environment variable parsing with fallback support #35856 Signed-off-by: junjie.jiang <junjie.jiang@zilliz.com>
98 lines
2.9 KiB
Go
98 lines
2.9 KiB
Go
/*
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* # Licensed to the LF AI & Data foundation under one
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* # or more contributor license agreements. See the NOTICE file
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* # distributed with this work for additional information
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* # regarding copyright ownership. The ASF licenses this file
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* # to you under the Apache License, Version 2.0 (the
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* # "License"); you may not use this file except in compliance
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* # with the License. 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 rerank
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import (
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"context"
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"fmt"
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"strconv"
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"strings"
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"github.com/milvus-io/milvus-proto/go-api/v2/commonpb"
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"github.com/milvus-io/milvus/internal/util/credentials"
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"github.com/milvus-io/milvus/internal/util/function/models"
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"github.com/milvus-io/milvus/internal/util/function/models/vllm"
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)
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type vllmProvider struct {
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baseProvider
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client *vllm.VLLMClient
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truncateParams map[string]any
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}
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func newVllmProvider(params []*commonpb.KeyValuePair, conf map[string]string, credentials *credentials.Credentials) (modelProvider, error) {
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var endpoint string
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var err error
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maxBatch := 32
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truncateParams := map[string]any{}
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for _, param := range params {
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switch strings.ToLower(param.Key) {
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case models.EndpointParamKey:
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endpoint = param.Value
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case models.MaxClientBatchSizeParamKey:
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if maxBatch, err = parseMaxBatch(param.Value); err != nil {
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return nil, err
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}
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case models.VllmTruncateParamName:
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if vllmTrun, err := strconv.ParseInt(param.Value, 10, 64); err != nil {
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return nil, fmt.Errorf("Rerank params error, %s: %s is not a number", models.VllmTruncateParamName, param.Value)
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} else {
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truncateParams[models.VllmTruncateParamName] = vllmTrun
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}
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default:
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}
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}
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if endpoint == "" {
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return nil, fmt.Errorf("Rerank function lost params endpoint")
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}
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if maxBatch < 0 {
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return nil, fmt.Errorf("Rerank function params max_batch must > 0")
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}
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apiKey, _, err := models.ParseAKAndURL(credentials, params, conf, "")
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if err != nil {
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return nil, err
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}
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client, err := vllm.NewVLLMClient(apiKey, endpoint)
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if err != nil {
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return nil, err
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}
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provider := vllmProvider{
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baseProvider: baseProvider{batchSize: maxBatch},
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client: client,
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truncateParams: truncateParams,
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}
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return &provider, nil
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}
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func (provider *vllmProvider) rerank(ctx context.Context, query string, docs []string) ([]float32, error) {
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rerankResp, err := provider.client.Rerank(query, docs, provider.truncateParams, 30)
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if err != nil {
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return nil, err
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}
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scores := make([]float32, len(docs))
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for i, result := range rerankResp.Results {
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scores[i] = result.RelevanceScore
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}
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return scores, nil
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}
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