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77834870fc
### What problem does this PR solve? Refact functions in engine in GO ### Type of change - [x] Refactoring
98 lines
2.6 KiB
Go
98 lines
2.6 KiB
Go
//
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// Copyright 2026 The InfiniFlow Authors. All Rights Reserved.
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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 elasticsearch
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import (
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"context"
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"fmt"
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"io"
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"github.com/elastic/go-elasticsearch/v8/esapi"
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)
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// dropIndex deletes an index
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func (e *elasticsearchEngine) dropIndex(ctx context.Context, indexName string) error {
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if indexName == "" {
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return fmt.Errorf("index name cannot be empty")
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}
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// Check if index exists
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exists, err := e.indexExists(ctx, indexName)
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if err != nil {
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return fmt.Errorf("failed to check index existence: %w", err)
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}
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if !exists {
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return fmt.Errorf("index '%s' does not exist", indexName)
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}
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// Delete index
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req := esapi.IndicesDeleteRequest{
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Index: []string{indexName},
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}
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res, err := req.Do(ctx, e.client)
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if err != nil {
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return fmt.Errorf("failed to delete index: %w", err)
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}
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defer res.Body.Close()
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if res.IsError() {
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bodyBytes, _ := io.ReadAll(res.Body)
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reason := extractErrorReason(bodyBytes)
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if reason != "" {
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return fmt.Errorf("elasticsearch error: %s", reason)
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}
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return fmt.Errorf("elasticsearch returned error: %s", res.Status())
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}
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return nil
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}
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// indexExists checks if index exists
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func (e *elasticsearchEngine) indexExists(ctx context.Context, indexName string) (bool, error) {
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if indexName == "" {
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return false, fmt.Errorf("index name cannot be empty")
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}
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req := esapi.IndicesExistsRequest{
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Index: []string{indexName},
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}
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res, err := req.Do(ctx, e.client)
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if err != nil {
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return false, fmt.Errorf("failed to check index existence: %w", err)
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}
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defer res.Body.Close()
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if res.StatusCode == 200 {
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return true, nil
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} else if res.StatusCode == 404 {
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return false, nil
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}
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bodyBytes, _ := io.ReadAll(res.Body)
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reason := extractErrorReason(bodyBytes)
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if reason != "" {
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return false, fmt.Errorf("elasticsearch error: %s", reason)
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}
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return false, fmt.Errorf("elasticsearch returned error: %s", res.Status())
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}
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// buildMetadataIndexName returns the metadata index name for a tenant
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func buildMetadataIndexName(tenantID string) string {
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return fmt.Sprintf("ragflow_doc_meta_%s", tenantID)
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} |