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105 lines
3.9 KiB
Go
105 lines
3.9 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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"strconv"
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"strings"
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"github.com/milvus-io/milvus-proto/go-api/v3/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/pkg/v3/util/merr"
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"github.com/milvus-io/milvus/pkg/v3/util/paramtable"
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)
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const (
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providerParamName string = "provider"
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vllmProviderName string = "vllm"
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teiProviderName string = "tei"
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siliconflowProviderName string = "siliconflow"
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cohereProviderName string = "cohere"
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voyageaiProviderName string = "voyageai"
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aliProviderName string = "ali"
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zillizProviderName string = "zilliz"
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huggingFaceProviderName string = "huggingface"
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)
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func parseMaxBatch(maxBatch string) (int, error) {
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if batch, err := strconv.Atoi(maxBatch); err != nil {
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return -1, merr.WrapErrParameterInvalidMsg("[%s param's value: %s] is not a valid number", models.MaxClientBatchSizeParamKey, maxBatch)
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} else {
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if batch <= 0 {
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return -1, merr.WrapErrParameterInvalidMsg("[%s param's value: %s] must be greater than 0", models.MaxClientBatchSizeParamKey, maxBatch)
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}
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return batch, nil
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}
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}
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// ModelProvider is the interface for external rerank model services.
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type ModelProvider interface {
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Rerank(context.Context, string, []string) ([]float32, error)
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MaxBatch() int
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}
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type baseProvider struct {
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batchSize int
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}
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func (provider *baseProvider) MaxBatch() int {
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return provider.batchSize
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}
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// NewModelProvider creates a ModelProvider from function parameters and extra info.
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func NewModelProvider(params []*commonpb.KeyValuePair, extraInfo *models.ModelExtraInfo) (ModelProvider, error) {
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for _, param := range params {
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if strings.ToLower(param.Key) == providerParamName {
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provider := strings.ToLower(param.Value)
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conf := paramtable.Get().FunctionCfg.GetRerankModelProviders(provider)
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if !models.IsEnable(conf) {
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return nil, merr.WrapErrParameterInvalidMsg("rerank provider: [%s] is disabled", provider)
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}
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credentials := credentials.NewCredentials(paramtable.Get().CredentialCfg.GetCredentials())
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switch provider {
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case vllmProviderName:
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return newVllmProvider(params, conf, credentials)
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case teiProviderName:
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return newTeiProvider(params, conf, credentials)
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case siliconflowProviderName:
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return newSiliconflowProvider(params, conf, credentials, extraInfo)
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case cohereProviderName:
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return newCohereProvider(params, conf, credentials, extraInfo)
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case voyageaiProviderName:
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return newVoyageaiProvider(params, conf, credentials, extraInfo)
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case aliProviderName:
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return newAliProvider(params, conf, credentials, extraInfo)
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case zillizProviderName:
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conf := paramtable.Get().FunctionCfg.ZillizProviders.GetValue()
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return newZillizProvider(params, conf, extraInfo)
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case huggingFaceProviderName:
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return newHuggingFaceProvider(params, conf, credentials, extraInfo)
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default:
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return nil, merr.WrapErrParameterInvalidMsg("unknown rerank model provider:%s", param.Value)
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}
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}
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}
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return nil, merr.WrapErrParameterInvalidMsg("lost rerank params:%s ", providerParamName)
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}
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