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feat(es): add elasticsearch client(v7) #95
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,62 @@ | ||
| package elasticsearch | ||
|
|
||
| import ( | ||
| "crypto/tls" | ||
| "encoding/json" | ||
| "errors" | ||
| "fmt" | ||
| "log" | ||
| "net" | ||
| "net/http" | ||
| "time" | ||
|
|
||
| es "github.com/elastic/go-elasticsearch/v7" | ||
| "github.com/elastic/go-elasticsearch/v7/esapi" | ||
| ) | ||
|
|
||
| var ( | ||
| ErrEsNotFound = errors.New("es: not found") | ||
| ) | ||
|
|
||
| type EsClient struct { | ||
| client *es.Client | ||
| } | ||
|
|
||
| func NewESClient(hosts []string, username, password string) (client *EsClient, err error) { | ||
| c, err := es.NewClient(es.Config{ | ||
| Addresses: hosts, | ||
| Username: username, | ||
| Password: password, | ||
| Transport: &http.Transport{ | ||
| MaxIdleConnsPerHost: http.DefaultMaxIdleConnsPerHost, | ||
| ResponseHeaderTimeout: 5 * time.Second, | ||
| DialContext: (&net.Dialer{Timeout: 5 * time.Second}).DialContext, | ||
| TLSClientConfig: &tls.Config{ | ||
| MinVersion: tls.VersionTLS11, | ||
| }, | ||
| }, | ||
| }) | ||
| if err != nil { | ||
| log.Fatal(err) | ||
| } | ||
|
|
||
| return &EsClient{client: c}, nil | ||
| } | ||
|
|
||
| func (es *EsClient) handleResponse(resp *esapi.Response) (map[string]interface{}, error) { | ||
| var ( | ||
| r map[string]interface{} | ||
| ) | ||
| if resp.StatusCode == 404 { | ||
| return r, ErrEsNotFound | ||
| } | ||
| // Check response status | ||
| if resp.IsError() { | ||
| return nil, errors.New(resp.String()) | ||
| } | ||
| // Deserialize the response into a map. | ||
| if err := json.NewDecoder(resp.Body).Decode(&r); err != nil { | ||
| return nil, errors.New(fmt.Sprintf("Error parsing the response body: %s", err)) | ||
| } | ||
| return r, nil | ||
| } | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,191 @@ | ||
| package elasticsearch | ||
|
|
||
| import ( | ||
| "context" | ||
| "log" | ||
| "testing" | ||
|
|
||
| "github.com/stretchr/testify/assert" | ||
| ) | ||
|
|
||
| var ( | ||
| esClient *EsClient | ||
| ctx context.Context | ||
| ) | ||
|
|
||
| const ( | ||
| indexName = "test-index" | ||
| ) | ||
|
|
||
| func init() { | ||
| var err error | ||
| esClient, err = NewESClient([]string{"http://127.0.0.1:9200"}, "", "") | ||
| if err != nil { | ||
| log.Fatal(err) | ||
| } | ||
| ctx = context.Background() | ||
| } | ||
|
|
||
| func TestNewESClient(t *testing.T) { | ||
| t.Log(esClient.client.Info()) | ||
| } | ||
|
|
||
| func TestNewESClientWithContext(t *testing.T) { | ||
| t.Log(esClient.client.Info(esClient.client.Info.WithContext(context.Background()))) | ||
| } | ||
|
|
||
| func TestCreateIndex(t *testing.T) { | ||
| a := assert.New(t) | ||
| bodyStr := `{ | ||
| "mappings" : { | ||
| "properties" : { | ||
| "id" : { | ||
| "index": true, | ||
| "type" : "keyword" | ||
| }, | ||
| "age" : { | ||
| "index": true, | ||
| "type" : "keyword" | ||
| }, | ||
| "nickname" : { | ||
| "index": true, | ||
| "type" : "text", | ||
| "fields": { | ||
| "keyword": { | ||
| "type": "keyword", | ||
| "ignore_above": 256 | ||
| } | ||
| } | ||
| }, | ||
| "bio" : { | ||
| "index": true, | ||
| "type" : "keyword" | ||
| } | ||
| } | ||
| } | ||
| }` | ||
| resp, err := esClient.CreateIndex(ctx, indexName, bodyStr) | ||
| a.Nil(err) | ||
| t.Log(resp) | ||
|
|
||
| response, err := esClient.client.Indices.Get([]string{indexName}) | ||
| a.Nil(err) | ||
| t.Log(response) | ||
| } | ||
|
|
||
| func TestGetIndex(t *testing.T) { | ||
| a := assert.New(t) | ||
| response, err := esClient.GetIndex(ctx, indexName) | ||
| a.Nil(err) | ||
| t.Log(response) | ||
| } | ||
|
|
||
| func TestDeleteIndex(t *testing.T) { | ||
| a := assert.New(t) | ||
| err := esClient.DeleteIndex(ctx, indexName) | ||
| a.Nil(err) | ||
| } | ||
|
|
||
| func TestCreateDocument(t *testing.T) { | ||
| a := assert.New(t) | ||
| doc := map[string]interface{}{ | ||
| "id": "1", | ||
| "nickname": "Tom", | ||
| "age": "18", | ||
| "bio": "I am a singer", | ||
| } | ||
| response, err := esClient.CreateDocument(ctx, indexName, "1", doc) | ||
| a.Nil(err) | ||
| t.Log(response) | ||
| } | ||
|
|
||
| func TestGetDocument(t *testing.T) { | ||
| a := assert.New(t) | ||
| response, err := esClient.GetDocument(ctx, indexName, "1") | ||
| a.Nil(err) | ||
| t.Log(response) | ||
| } | ||
|
|
||
| func TestUpdateDocument(t *testing.T) { | ||
| a := assert.New(t) | ||
| data := map[string]interface{}{ | ||
| "bio": "I am a teacher", | ||
| } | ||
| response, err := esClient.UpdateDocument(ctx, indexName, "1", data) | ||
| a.Nil(err) | ||
| t.Log(response) | ||
| } | ||
|
|
||
| func TestUpdateDocumentByQuery(t *testing.T) { | ||
| a := assert.New(t) | ||
| query := map[string]interface{}{ | ||
| "nickname": "Tom", | ||
| } | ||
| data := map[string]interface{}{ | ||
| "bio": "I am a music teacher", | ||
| } | ||
| response, err := esClient.UpdateDocumentByQuery(ctx, indexName, query, data) | ||
| a.Nil(err) | ||
| t.Log(response) | ||
| } | ||
|
|
||
| func TestDeleteDocument(t *testing.T) { | ||
| a := assert.New(t) | ||
| err := esClient.DeleteDocument(ctx, indexName, "1") | ||
| a.Nil(err) | ||
| } | ||
|
|
||
| // 单个字段的搜索 | ||
| func TestSearch(t *testing.T) { | ||
| a := assert.New(t) | ||
| query := map[string]interface{}{ | ||
| "bool": map[string]interface{}{ | ||
| "must": []map[string]interface{}{ | ||
| { | ||
| "match": map[string]interface{}{ | ||
| "nickname": "Tom", | ||
| }, | ||
| }, | ||
| }, | ||
| }, | ||
| } | ||
| sort := map[string]interface{}{ | ||
| "_score": map[string]interface{}{ | ||
| "order": "desc", | ||
| }, | ||
| } | ||
| response, total, err := esClient.Search(ctx, indexName, query, sort, 0, 10) | ||
| a.Nil(err) | ||
| t.Log(total) | ||
| t.Log(response) | ||
| } | ||
|
|
||
| // 多字段搜索 | ||
| func TestSearchByMultiField(t *testing.T) { | ||
| a := assert.New(t) | ||
| query := map[string]interface{}{ | ||
| "bool": map[string]interface{}{ | ||
| "must": []map[string]interface{}{ | ||
| { | ||
| "match": map[string]interface{}{ | ||
| "nickname": "Tom", | ||
| }, | ||
| }, | ||
| { | ||
| "match": map[string]interface{}{ | ||
| "age": "18", | ||
| }, | ||
| }, | ||
| }, | ||
| }, | ||
| } | ||
| sort := map[string]interface{}{ | ||
| "_score": map[string]interface{}{ | ||
| "order": "desc", | ||
| }, | ||
| } | ||
| response, total, err := esClient.Search(ctx, indexName, query, sort, 0, 10) | ||
| a.Nil(err) | ||
| t.Log(total) | ||
| t.Log(response) | ||
| } |
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