Exemplo n.º 1
0
// The simplest usage of background bulk indexing
func ExampleBulkIndexer_simple() {
	c := elastigo.NewConn()

	indexer := c.NewBulkIndexerErrors(10, 60)
	indexer.Start()
	indexer.Index("twitter", "user", "1", "", "", nil, nil, `{"name":"bob"}`)
	indexer.Stop()
}
Exemplo n.º 2
0
// The inspecting the response
func ExampleBulkIndexer_responses() {
	c := elastigo.NewConn()

	indexer := c.NewBulkIndexer(10)
	// Create a custom Sender Func, to allow inspection of response/error
	indexer.Sender = func(buf *bytes.Buffer) error {
		// @buf is the buffer of docs about to be written
		respJson, err := c.DoCommand("POST", "/_bulk", nil, buf)
		if err != nil {
			// handle it better than this
			fmt.Println(string(respJson))
		}
		return err
	}
	indexer.Start()
	for i := 0; i < 20; i++ {
		indexer.Index("twitter", "user", strconv.Itoa(i), "", "", nil, nil, `{"name":"bob"}`)
	}
	indexer.Stop()
}
Exemplo n.º 3
0
// for testing
func main() {
	flag.Parse()
	log.SetFlags(log.Ltime | log.Lshortfile)

	c := elastigo.NewConn()
	c.Domain = *eshost
	response, _ := c.Index("twitter", "tweet", "1", nil, NewTweet("kimchy", "Search is cool"))
	c.Flush()
	log.Printf("Index OK: %v", response.Ok)
	searchresponse, err := c.Search("twitter", "tweet", nil, "{\"query\" : {\"term\" : { \"user\" : \"kimchy\" }}}")
	if err != nil {
		log.Println("error during search:" + err.Error())
		log.Fatal(err)
	}
	// try marshalling to tweet type
	var t Tweet
	bytes, err := searchresponse.Hits.Hits[0].Source.MarshalJSON()
	if err != nil {
		log.Fatalf("err calling marshalJson:%v", err)
	}
	json.Unmarshal(bytes, t)
	log.Printf("Search Found: %s", t)
	response, _ = c.Get("twitter", "tweet", "1", nil)
	log.Printf("Get: %v", response.Exists)
	exists, _ := c.Exists("twitter", "tweet", "1", nil)
	log.Printf("Exists: %v", exists)
	c.Flush()
	countResponse, _ := c.Count("twitter", "tweet", nil, nil)

	log.Printf("Count: %v", countResponse.Count)
	response, _ = c.Delete("twitter", "tweet", "1", map[string]interface{}{"version": -1, "routing": ""})
	log.Printf("Delete OK: %v", response.Ok)
	response, _ = c.Get("twitter", "tweet", "1", nil)
	log.Printf("Get: %v", response.Exists)

	healthResponse, _ := c.Health()
	log.Printf("Health: %v", healthResponse.Status)

	c.UpdateSettings("transient", "discovery.zen.minimum_master_nodes", 2)
}
Exemplo n.º 4
0
func main() {
	c := elastigo.NewConn()
	log.SetFlags(log.LstdFlags)
	flag.Parse()

	// Trace all requests
	c.RequestTracer = func(method, url, body string) {
		log.Printf("Requesting %s %s", method, url)
		log.Printf("Request body: %s", body)
	}

	fmt.Println("host = ", *host)
	// Set the Elasticsearch Host to Connect to
	c.Domain = *host

	// Index a document
	_, err := c.Index("testindex", "user", "docid_1", nil, `{"name":"bob"}`)
	exitIfErr(err)

	// Index a doc using a map of values
	_, err = c.Index("testindex", "user", "docid_2", nil, map[string]string{"name": "venkatesh"})
	exitIfErr(err)

	// Index a doc using Structs
	_, err = c.Index("testindex", "user", "docid_3", nil, MyUser{"wanda", 22})
	exitIfErr(err)

	// Search Using Raw json String
	searchJson := `{
	    "query" : {
	        "term" : { "Name" : "wanda" }
	    }
	}`
	out, err := c.Search("testindex", "user", nil, searchJson)
	if len(out.Hits.Hits) == 1 {
		fmt.Println("%v", out.Hits.Hits[0].Source)
	}
	exitIfErr(err)

}