409 lines
14 KiB
Go
409 lines
14 KiB
Go
/*
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* Copyright 2025 coze-dev Authors
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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 knowledge
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import (
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"context"
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"encoding/json"
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"fmt"
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"os"
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"path/filepath"
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"strconv"
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"time"
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"github.com/cloudwego/eino-ext/components/embedding/ark"
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ollamaEmb "github.com/cloudwego/eino-ext/components/embedding/ollama"
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"github.com/cloudwego/eino-ext/components/embedding/openai"
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"github.com/cloudwego/eino/components/prompt"
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"github.com/cloudwego/eino/schema"
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"github.com/milvus-io/milvus/client/v2/milvusclient"
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"github.com/volcengine/volc-sdk-golang/service/vikingdb"
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"gorm.io/gorm"
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"github.com/coze-dev/coze-studio/backend/application/internal"
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"github.com/coze-dev/coze-studio/backend/application/search"
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knowledgeImpl "github.com/coze-dev/coze-studio/backend/domain/knowledge/service"
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"github.com/coze-dev/coze-studio/backend/infra/contract/cache"
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"github.com/coze-dev/coze-studio/backend/infra/contract/document/nl2sql"
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"github.com/coze-dev/coze-studio/backend/infra/contract/document/ocr"
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"github.com/coze-dev/coze-studio/backend/infra/contract/document/parser"
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"github.com/coze-dev/coze-studio/backend/infra/contract/document/searchstore"
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"github.com/coze-dev/coze-studio/backend/infra/contract/embedding"
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"github.com/coze-dev/coze-studio/backend/infra/contract/es"
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"github.com/coze-dev/coze-studio/backend/infra/contract/idgen"
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"github.com/coze-dev/coze-studio/backend/infra/contract/imagex"
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"github.com/coze-dev/coze-studio/backend/infra/contract/messages2query"
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"github.com/coze-dev/coze-studio/backend/infra/contract/rdb"
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"github.com/coze-dev/coze-studio/backend/infra/contract/storage"
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chatmodelImpl "github.com/coze-dev/coze-studio/backend/infra/impl/chatmodel"
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builtinNL2SQL "github.com/coze-dev/coze-studio/backend/infra/impl/document/nl2sql/builtin"
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"github.com/coze-dev/coze-studio/backend/infra/impl/document/rerank/rrf"
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sses "github.com/coze-dev/coze-studio/backend/infra/impl/document/searchstore/elasticsearch"
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ssmilvus "github.com/coze-dev/coze-studio/backend/infra/impl/document/searchstore/milvus"
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ssvikingdb "github.com/coze-dev/coze-studio/backend/infra/impl/document/searchstore/vikingdb"
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arkemb "github.com/coze-dev/coze-studio/backend/infra/impl/embedding/ark"
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"github.com/coze-dev/coze-studio/backend/infra/impl/embedding/http"
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"github.com/coze-dev/coze-studio/backend/infra/impl/embedding/wrap"
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"github.com/coze-dev/coze-studio/backend/infra/impl/eventbus"
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builtinM2Q "github.com/coze-dev/coze-studio/backend/infra/impl/messages2query/builtin"
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"github.com/coze-dev/coze-studio/backend/pkg/lang/conv"
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"github.com/coze-dev/coze-studio/backend/pkg/lang/ptr"
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"github.com/coze-dev/coze-studio/backend/pkg/logs"
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"github.com/coze-dev/coze-studio/backend/types/consts"
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)
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type ServiceComponents struct {
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DB *gorm.DB
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IDGenSVC idgen.IDGenerator
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Storage storage.Storage
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RDB rdb.RDB
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ImageX imagex.ImageX
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ES es.Client
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EventBus search.ResourceEventBus
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CacheCli cache.Cmdable
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OCR ocr.OCR
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ParserManager parser.Manager
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}
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func InitService(c *ServiceComponents) (*KnowledgeApplicationService, error) {
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ctx := context.Background()
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nameServer := os.Getenv(consts.MQServer)
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knowledgeProducer, err := eventbus.NewProducer(nameServer, consts.RMQTopicKnowledge, consts.RMQConsumeGroupKnowledge, 2)
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if err != nil {
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return nil, fmt.Errorf("init knowledge producer failed, err=%w", err)
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}
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var sManagers []searchstore.Manager
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// es full text search
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sManagers = append(sManagers, sses.NewManager(&sses.ManagerConfig{Client: c.ES}))
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// vector search
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mgr, err := getVectorStore(ctx)
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if err != nil {
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return nil, fmt.Errorf("init vector store failed, err=%w", err)
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}
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sManagers = append(sManagers, mgr)
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root, err := os.Getwd()
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if err != nil {
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logs.Warnf("[InitConfig] Failed to get current working directory: %v", err)
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root = os.Getenv("PWD")
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}
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var rewriter messages2query.MessagesToQuery
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if rewriterChatModel, _, err := internal.GetBuiltinChatModel(ctx, "M2Q_"); err != nil {
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return nil, err
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} else {
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filePath := filepath.Join(root, "resources/conf/prompt/messages_to_query_template_jinja2.json")
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rewriterTemplate, err := readJinja2PromptTemplate(filePath)
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if err != nil {
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return nil, err
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}
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rewriter, err = builtinM2Q.NewMessagesToQuery(ctx, rewriterChatModel, rewriterTemplate)
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if err != nil {
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return nil, err
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}
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}
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var n2s nl2sql.NL2SQL
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if n2sChatModel, _, err := internal.GetBuiltinChatModel(ctx, "NL2SQL_"); err != nil {
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return nil, err
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} else {
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filePath := filepath.Join(root, "resources/conf/prompt/nl2sql_template_jinja2.json")
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n2sTemplate, err := readJinja2PromptTemplate(filePath)
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if err != nil {
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return nil, err
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}
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n2s, err = builtinNL2SQL.NewNL2SQL(ctx, n2sChatModel, n2sTemplate)
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if err != nil {
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return nil, err
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}
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}
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knowledgeDomainSVC, knowledgeEventHandler := knowledgeImpl.NewKnowledgeSVC(&knowledgeImpl.KnowledgeSVCConfig{
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DB: c.DB,
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IDGen: c.IDGenSVC,
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RDB: c.RDB,
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Producer: knowledgeProducer,
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SearchStoreManagers: sManagers,
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ParseManager: c.ParserManager,
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Storage: c.Storage,
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Rewriter: rewriter,
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Reranker: rrf.NewRRFReranker(0), // default rrf
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NL2Sql: n2s,
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OCR: c.OCR,
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CacheCli: c.CacheCli,
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ModelFactory: chatmodelImpl.NewDefaultFactory(),
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})
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if err = eventbus.DefaultSVC().RegisterConsumer(nameServer, consts.RMQTopicKnowledge, consts.RMQConsumeGroupKnowledge, knowledgeEventHandler); err != nil {
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return nil, fmt.Errorf("register knowledge consumer failed, err=%w", err)
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}
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KnowledgeSVC.DomainSVC = knowledgeDomainSVC
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KnowledgeSVC.eventBus = c.EventBus
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KnowledgeSVC.storage = c.Storage
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return KnowledgeSVC, nil
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}
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func getVectorStore(ctx context.Context) (searchstore.Manager, error) {
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vsType := os.Getenv("VECTOR_STORE_TYPE")
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switch vsType {
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case "milvus":
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cctx, cancel := context.WithTimeout(ctx, time.Second*5)
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defer cancel()
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milvusAddr := os.Getenv("MILVUS_ADDR")
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mc, err := milvusclient.New(cctx, &milvusclient.ClientConfig{Address: milvusAddr})
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if err != nil {
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return nil, fmt.Errorf("init milvus client failed, err=%w", err)
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}
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emb, err := getEmbedding(ctx)
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if err != nil {
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return nil, fmt.Errorf("init milvus embedding failed, err=%w", err)
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}
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mgr, err := ssmilvus.NewManager(&ssmilvus.ManagerConfig{
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Client: mc,
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Embedding: emb,
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EnableHybrid: ptr.Of(true),
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})
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if err != nil {
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return nil, fmt.Errorf("init milvus vector store failed, err=%w", err)
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}
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return mgr, nil
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case "vikingdb":
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var (
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host = os.Getenv("VIKING_DB_HOST")
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region = os.Getenv("VIKING_DB_REGION")
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ak = os.Getenv("VIKING_DB_AK")
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sk = os.Getenv("VIKING_DB_SK")
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scheme = os.Getenv("VIKING_DB_SCHEME")
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modelName = os.Getenv("VIKING_DB_MODEL_NAME")
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)
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if ak == "" || sk == "" {
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return nil, fmt.Errorf("invalid vikingdb ak / sk")
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}
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if host == "" {
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host = "api-vikingdb.volces.com"
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}
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if region == "" {
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region = "cn-beijing"
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}
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if scheme == "" {
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scheme = "https"
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}
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var embConfig *ssvikingdb.VikingEmbeddingConfig
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if modelName != "" {
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embName := ssvikingdb.VikingEmbeddingModelName(modelName)
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if embName.Dimensions() == 0 {
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return nil, fmt.Errorf("embedding model not support, model_name=%s", modelName)
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}
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embConfig = &ssvikingdb.VikingEmbeddingConfig{
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UseVikingEmbedding: true,
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EnableHybrid: embName.SupportStatus() == embedding.SupportDenseAndSparse,
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ModelName: embName,
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ModelVersion: embName.ModelVersion(),
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DenseWeight: ptr.Of(0.2),
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BuiltinEmbedding: nil,
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}
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} else {
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builtinEmbedding, err := getEmbedding(ctx)
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if err != nil {
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return nil, fmt.Errorf("builtint embedding init failed, err=%w", err)
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}
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embConfig = &ssvikingdb.VikingEmbeddingConfig{
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UseVikingEmbedding: false,
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EnableHybrid: false,
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BuiltinEmbedding: builtinEmbedding,
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}
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}
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svc := vikingdb.NewVikingDBService(host, region, ak, sk, scheme)
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mgr, err := ssvikingdb.NewManager(&ssvikingdb.ManagerConfig{
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Service: svc,
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IndexingConfig: nil, // use default config
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EmbeddingConfig: embConfig,
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})
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if err != nil {
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return nil, fmt.Errorf("init vikingdb manager failed, err=%w", err)
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}
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return mgr, nil
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default:
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return nil, fmt.Errorf("unexpected vector store type, type=%s", vsType)
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}
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}
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func getEmbedding(ctx context.Context) (embedding.Embedder, error) {
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var batchSize int
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if bs, err := strconv.ParseInt(os.Getenv("EMBEDDING_MAX_BATCH_SIZE"), 10, 64); err != nil {
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logs.CtxWarnf(ctx, "EMBEDDING_MAX_BATCH_SIZE not set / invalid, using default batchSize=100")
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batchSize = 100
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} else {
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batchSize = int(bs)
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}
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var emb embedding.Embedder
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switch os.Getenv("EMBEDDING_TYPE") {
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case "openai":
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var (
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openAIEmbeddingBaseURL = os.Getenv("OPENAI_EMBEDDING_BASE_URL")
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openAIEmbeddingModel = os.Getenv("OPENAI_EMBEDDING_MODEL")
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openAIEmbeddingApiKey = os.Getenv("OPENAI_EMBEDDING_API_KEY")
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openAIEmbeddingByAzure = os.Getenv("OPENAI_EMBEDDING_BY_AZURE")
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openAIEmbeddingApiVersion = os.Getenv("OPENAI_EMBEDDING_API_VERSION")
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openAIEmbeddingDims = os.Getenv("OPENAI_EMBEDDING_DIMS")
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openAIRequestEmbeddingDims = os.Getenv("OPENAI_EMBEDDING_REQUEST_DIMS")
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)
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byAzure, err := strconv.ParseBool(openAIEmbeddingByAzure)
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if err != nil {
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return nil, fmt.Errorf("init openai embedding by_azure failed, err=%w", err)
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}
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dims, err := strconv.ParseInt(openAIEmbeddingDims, 10, 64)
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if err != nil {
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return nil, fmt.Errorf("init openai embedding dims failed, err=%w", err)
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}
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openAICfg := &openai.EmbeddingConfig{
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APIKey: openAIEmbeddingApiKey,
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ByAzure: byAzure,
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BaseURL: openAIEmbeddingBaseURL,
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APIVersion: openAIEmbeddingApiVersion,
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Model: openAIEmbeddingModel,
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// Dimensions: ptr.Of(int(dims)),
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}
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reqDims := conv.StrToInt64D(openAIRequestEmbeddingDims, 0)
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if reqDims > 0 {
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// some openai model not support request dims
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openAICfg.Dimensions = ptr.Of(int(reqDims))
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}
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emb, err = wrap.NewOpenAIEmbedder(ctx, openAICfg, dims, batchSize)
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if err != nil {
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return nil, fmt.Errorf("init openai embedding failed, err=%w", err)
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}
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case "ark":
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var (
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arkEmbeddingBaseURL = os.Getenv("ARK_EMBEDDING_BASE_URL")
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arkEmbeddingModel = os.Getenv("ARK_EMBEDDING_MODEL")
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arkEmbeddingApiKey = os.Getenv("ARK_EMBEDDING_API_KEY")
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// deprecated: use ARK_EMBEDDING_API_KEY instead
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// ARK_EMBEDDING_AK will be removed in the future
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arkEmbeddingAK = os.Getenv("ARK_EMBEDDING_AK")
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arkEmbeddingDims = os.Getenv("ARK_EMBEDDING_DIMS")
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arkEmbeddingAPIType = os.Getenv("ARK_EMBEDDING_API_TYPE")
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)
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dims, err := strconv.ParseInt(arkEmbeddingDims, 10, 64)
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if err != nil {
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return nil, fmt.Errorf("init ark embedding dims failed, err=%w", err)
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}
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apiType := ark.APITypeText
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if arkEmbeddingAPIType != "" {
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if t := ark.APIType(arkEmbeddingAPIType); t != ark.APITypeText && t != ark.APITypeMultiModal {
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return nil, fmt.Errorf("init ark embedding api_type failed, invalid api_type=%s", t)
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} else {
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apiType = t
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}
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}
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emb, err = arkemb.NewArkEmbedder(ctx, &ark.EmbeddingConfig{
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APIKey: func() string {
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if arkEmbeddingApiKey != "" {
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return arkEmbeddingApiKey
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}
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return arkEmbeddingAK
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}(),
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Model: arkEmbeddingModel,
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BaseURL: arkEmbeddingBaseURL,
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APIType: &apiType,
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}, dims, batchSize)
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if err != nil {
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return nil, fmt.Errorf("init ark embedding client failed, err=%w", err)
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}
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case "ollama":
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var (
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ollamaEmbeddingBaseURL = os.Getenv("OLLAMA_EMBEDDING_BASE_URL")
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ollamaEmbeddingModel = os.Getenv("OLLAMA_EMBEDDING_MODEL")
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ollamaEmbeddingDims = os.Getenv("OLLAMA_EMBEDDING_DIMS")
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)
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dims, err := strconv.ParseInt(ollamaEmbeddingDims, 10, 64)
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if err != nil {
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return nil, fmt.Errorf("init ollama embedding dims failed, err=%w", err)
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}
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emb, err = wrap.NewOllamaEmbedder(ctx, &ollamaEmb.EmbeddingConfig{
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BaseURL: ollamaEmbeddingBaseURL,
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Model: ollamaEmbeddingModel,
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}, dims, batchSize)
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if err != nil {
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return nil, fmt.Errorf("init ollama embedding failed, err=%w", err)
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}
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case "http":
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var (
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httpEmbeddingBaseURL = os.Getenv("HTTP_EMBEDDING_ADDR")
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httpEmbeddingDims = os.Getenv("HTTP_EMBEDDING_DIMS")
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)
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dims, err := strconv.ParseInt(httpEmbeddingDims, 10, 64)
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if err != nil {
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return nil, fmt.Errorf("init http embedding dims failed, err=%w", err)
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}
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emb, err = http.NewEmbedding(httpEmbeddingBaseURL, dims, batchSize)
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if err != nil {
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return nil, fmt.Errorf("init http embedding failed, err=%w", err)
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}
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default:
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return nil, fmt.Errorf("init knowledge embedding failed, type not configured")
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}
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return emb, nil
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}
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func readJinja2PromptTemplate(jsonFilePath string) (prompt.ChatTemplate, error) {
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b, err := os.ReadFile(jsonFilePath)
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if err != nil {
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return nil, err
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}
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var m2qMessages []*schema.Message
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if err = json.Unmarshal(b, &m2qMessages); err != nil {
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return nil, err
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}
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tpl := make([]schema.MessagesTemplate, len(m2qMessages))
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for i := range m2qMessages {
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tpl[i] = m2qMessages[i]
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}
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return prompt.FromMessages(schema.Jinja2, tpl...), nil
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}
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