1// Copyright 2012-present Oliver Eilhard. All rights reserved. 2// Use of this source code is governed by a MIT-license. 3// See http://olivere.mit-license.org/license.txt for details. 4 5package elastic 6 7import ( 8 "context" 9 "fmt" 10 "net/url" 11 "strings" 12 13 "github.com/olivere/elastic/uritemplates" 14) 15 16// IndicesDeleteService allows to delete existing indices. 17// 18// See https://www.elastic.co/guide/en/elasticsearch/reference/6.7/indices-delete-index.html 19// for details. 20type IndicesDeleteService struct { 21 client *Client 22 pretty bool 23 index []string 24 timeout string 25 masterTimeout string 26} 27 28// NewIndicesDeleteService creates and initializes a new IndicesDeleteService. 29func NewIndicesDeleteService(client *Client) *IndicesDeleteService { 30 return &IndicesDeleteService{ 31 client: client, 32 index: make([]string, 0), 33 } 34} 35 36// Index adds the list of indices to delete. 37// Use `_all` or `*` string to delete all indices. 38func (s *IndicesDeleteService) Index(index []string) *IndicesDeleteService { 39 s.index = index 40 return s 41} 42 43// Timeout is an explicit operation timeout. 44func (s *IndicesDeleteService) Timeout(timeout string) *IndicesDeleteService { 45 s.timeout = timeout 46 return s 47} 48 49// MasterTimeout specifies the timeout for connection to master. 50func (s *IndicesDeleteService) MasterTimeout(masterTimeout string) *IndicesDeleteService { 51 s.masterTimeout = masterTimeout 52 return s 53} 54 55// Pretty indicates that the JSON response be indented and human readable. 56func (s *IndicesDeleteService) Pretty(pretty bool) *IndicesDeleteService { 57 s.pretty = pretty 58 return s 59} 60 61// buildURL builds the URL for the operation. 62func (s *IndicesDeleteService) buildURL() (string, url.Values, error) { 63 // Build URL 64 path, err := uritemplates.Expand("/{index}", map[string]string{ 65 "index": strings.Join(s.index, ","), 66 }) 67 if err != nil { 68 return "", url.Values{}, err 69 } 70 71 // Add query string parameters 72 params := url.Values{} 73 if s.pretty { 74 params.Set("pretty", "true") 75 } 76 if s.timeout != "" { 77 params.Set("timeout", s.timeout) 78 } 79 if s.masterTimeout != "" { 80 params.Set("master_timeout", s.masterTimeout) 81 } 82 return path, params, nil 83} 84 85// Validate checks if the operation is valid. 86func (s *IndicesDeleteService) Validate() error { 87 var invalid []string 88 if len(s.index) == 0 { 89 invalid = append(invalid, "Index") 90 } 91 if len(invalid) > 0 { 92 return fmt.Errorf("missing required fields: %v", invalid) 93 } 94 return nil 95} 96 97// Do executes the operation. 98func (s *IndicesDeleteService) Do(ctx context.Context) (*IndicesDeleteResponse, error) { 99 // Check pre-conditions 100 if err := s.Validate(); err != nil { 101 return nil, err 102 } 103 104 // Get URL for request 105 path, params, err := s.buildURL() 106 if err != nil { 107 return nil, err 108 } 109 110 // Get HTTP response 111 res, err := s.client.PerformRequest(ctx, PerformRequestOptions{ 112 Method: "DELETE", 113 Path: path, 114 Params: params, 115 }) 116 if err != nil { 117 return nil, err 118 } 119 120 // Return operation response 121 ret := new(IndicesDeleteResponse) 122 if err := s.client.decoder.Decode(res.Body, ret); err != nil { 123 return nil, err 124 } 125 return ret, nil 126} 127 128// -- Result of a delete index request. 129 130// IndicesDeleteResponse is the response of IndicesDeleteService.Do. 131type IndicesDeleteResponse struct { 132 Acknowledged bool `json:"acknowledged"` 133} 134