()
| 32 | ) |
| 33 | |
| 34 | func ExampleNewBulkIndexer() { |
| 35 | log.SetFlags(0) |
| 36 | |
| 37 | // Create the Elasticsearch client |
| 38 | // |
| 39 | es, err := elasticsearch.NewClient(elasticsearch.Config{ |
| 40 | // Retry on 429 TooManyRequests statuses |
| 41 | // |
| 42 | RetryOnStatus: []int{502, 503, 504, 429}, |
| 43 | |
| 44 | // A simple incremental backoff function |
| 45 | // |
| 46 | RetryBackoff: func(i int) time.Duration { return time.Duration(i) * 100 * time.Millisecond }, |
| 47 | |
| 48 | // Retry up to 5 attempts |
| 49 | // |
| 50 | MaxRetries: 5, |
| 51 | }) |
| 52 | if err != nil { |
| 53 | log.Fatalf("Error creating the client: %s", err) |
| 54 | } |
| 55 | defer func() { |
| 56 | ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second) |
| 57 | defer cancel() |
| 58 | if closeErr := es.Close(ctx); closeErr != nil { |
| 59 | log.Fatalf("Error closing the client: %s", closeErr) |
| 60 | } |
| 61 | }() |
| 62 | |
| 63 | // Create the indexer |
| 64 | // |
| 65 | indexer, err := esutil.NewBulkIndexer(esutil.BulkIndexerConfig{ |
| 66 | Client: es, // The Elasticsearch client |
| 67 | Index: "test", // The default index name |
| 68 | NumWorkers: 4, // The number of worker goroutines (default: number of CPUs) |
| 69 | FlushBytes: 5e+6, // The flush threshold in bytes (default: 5M) |
| 70 | }) |
| 71 | if err != nil { |
| 72 | log.Printf("Error creating the indexer: %s", err) |
| 73 | return |
| 74 | } |
| 75 | |
| 76 | // Add an item to the indexer |
| 77 | // |
| 78 | err = indexer.Add( |
| 79 | context.Background(), |
| 80 | esutil.BulkIndexerItem{ |
| 81 | // Action field configures the operation to perform (index, create, delete, update) |
| 82 | Action: "index", |
| 83 | |
| 84 | // DocumentID is the optional document ID |
| 85 | DocumentID: "1", |
| 86 | |
| 87 | // Body is an `io.Reader` with the payload |
| 88 | Body: strings.NewReader(`{"title":"Test"}`), |
| 89 | |
| 90 | // OnSuccess is the optional callback for each successful operation |
| 91 | OnSuccess: func( |
nothing calls this directly
no test coverage detected