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// Copyright 2012-2015 Oliver Eilhard. All rights reserved.
// Use of this source code is governed by a MIT-license.
// See http://olivere.mit-license.org/license.txt for details.
package elastic
import (
"fmt"
"net/url"
)
type AliasService struct {
client *Client
actions []aliasAction
pretty bool
}
type aliasAction struct {
// "add" or "remove"
Type string
// Index name
Index string
// Alias name
Alias string
// Filter
Filter Query
}
func NewAliasService(client *Client) *AliasService {
builder := &AliasService{
client: client,
actions: make([]aliasAction, 0),
}
return builder
}
func (s *AliasService) Pretty(pretty bool) *AliasService {
s.pretty = pretty
return s
}
func (s *AliasService) Add(indexName string, aliasName string) *AliasService {
action := aliasAction{Type: "add", Index: indexName, Alias: aliasName}
s.actions = append(s.actions, action)
return s
}
func (s *AliasService) AddWithFilter(indexName string, aliasName string, filter Query) *AliasService {
action := aliasAction{Type: "add", Index: indexName, Alias: aliasName, Filter: filter}
s.actions = append(s.actions, action)
return s
}
func (s *AliasService) Remove(indexName string, aliasName string) *AliasService {
action := aliasAction{Type: "remove", Index: indexName, Alias: aliasName}
s.actions = append(s.actions, action)
return s
}
func (s *AliasService) Do() (*AliasResult, error) {
// Build url
path := "/_aliases"
// Parameters
params := make(url.Values)
if s.pretty {
params.Set("pretty", fmt.Sprintf("%v", s.pretty))
}
// Actions
body := make(map[string]interface{})
actionsJson := make([]interface{}, 0)
for _, action := range s.actions {
actionJson := make(map[string]interface{})
detailsJson := make(map[string]interface{})
detailsJson["index"] = action.Index
detailsJson["alias"] = action.Alias
if action.Filter != nil {
src, err := action.Filter.Source()
if err != nil {
return nil, err
}
detailsJson["filter"] = src
}
actionJson[action.Type] = detailsJson
actionsJson = append(actionsJson, actionJson)
}
body["actions"] = actionsJson
// Get response
res, err := s.client.PerformRequest("POST", path, params, body)
if err != nil {
return nil, err
}
// Return results
ret := new(AliasResult)
if err := s.client.decoder.Decode(res.Body, ret); err != nil {
return nil, err
}
return ret, nil
}
// -- Result of an alias request.
type AliasResult struct {
Acknowledged bool `json:"acknowledged"`
}
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