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// Copyright 2012-present 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 (
"context"
"fmt"
"net/url"
"strings"
"github.com/olivere/elastic/uritemplates"
)
// IndicesGetSettingsService allows to retrieve settings of one
// or more indices.
//
// See https://www.elastic.co/guide/en/elasticsearch/reference/6.0/indices-get-settings.html
// for more details.
type IndicesGetSettingsService struct {
client *Client
pretty bool
index []string
name []string
ignoreUnavailable *bool
allowNoIndices *bool
expandWildcards string
flatSettings *bool
local *bool
}
// NewIndicesGetSettingsService creates a new IndicesGetSettingsService.
func NewIndicesGetSettingsService(client *Client) *IndicesGetSettingsService {
return &IndicesGetSettingsService{
client: client,
index: make([]string, 0),
name: make([]string, 0),
}
}
// Index is a list of index names; use `_all` or empty string to perform
// the operation on all indices.
func (s *IndicesGetSettingsService) Index(indices ...string) *IndicesGetSettingsService {
s.index = append(s.index, indices...)
return s
}
// Name are the names of the settings that should be included.
func (s *IndicesGetSettingsService) Name(name ...string) *IndicesGetSettingsService {
s.name = append(s.name, name...)
return s
}
// IgnoreUnavailable indicates whether specified concrete indices should
// be ignored when unavailable (missing or closed).
func (s *IndicesGetSettingsService) IgnoreUnavailable(ignoreUnavailable bool) *IndicesGetSettingsService {
s.ignoreUnavailable = &ignoreUnavailable
return s
}
// AllowNoIndices indicates whether to ignore if a wildcard indices
// expression resolves into no concrete indices.
// (This includes `_all` string or when no indices have been specified).
func (s *IndicesGetSettingsService) AllowNoIndices(allowNoIndices bool) *IndicesGetSettingsService {
s.allowNoIndices = &allowNoIndices
return s
}
// ExpandWildcards indicates whether to expand wildcard expression
// to concrete indices that are open, closed or both.
// Options: open, closed, none, all. Default: open,closed.
func (s *IndicesGetSettingsService) ExpandWildcards(expandWildcards string) *IndicesGetSettingsService {
s.expandWildcards = expandWildcards
return s
}
// FlatSettings indicates whether to return settings in flat format (default: false).
func (s *IndicesGetSettingsService) FlatSettings(flatSettings bool) *IndicesGetSettingsService {
s.flatSettings = &flatSettings
return s
}
// Local indicates whether to return local information, do not retrieve
// the state from master node (default: false).
func (s *IndicesGetSettingsService) Local(local bool) *IndicesGetSettingsService {
s.local = &local
return s
}
// Pretty indicates that the JSON response be indented and human readable.
func (s *IndicesGetSettingsService) Pretty(pretty bool) *IndicesGetSettingsService {
s.pretty = pretty
return s
}
// buildURL builds the URL for the operation.
func (s *IndicesGetSettingsService) buildURL() (string, url.Values, error) {
var err error
var path string
var index []string
if len(s.index) > 0 {
index = s.index
} else {
index = []string{"_all"}
}
if len(s.name) > 0 {
// Build URL
path, err = uritemplates.Expand("/{index}/_settings/{name}", map[string]string{
"index": strings.Join(index, ","),
"name": strings.Join(s.name, ","),
})
} else {
// Build URL
path, err = uritemplates.Expand("/{index}/_settings", map[string]string{
"index": strings.Join(index, ","),
})
}
if err != nil {
return "", url.Values{}, err
}
// Add query string parameters
params := url.Values{}
if s.pretty {
params.Set("pretty", "true")
}
if s.ignoreUnavailable != nil {
params.Set("ignore_unavailable", fmt.Sprintf("%v", *s.ignoreUnavailable))
}
if s.allowNoIndices != nil {
params.Set("allow_no_indices", fmt.Sprintf("%v", *s.allowNoIndices))
}
if s.expandWildcards != "" {
params.Set("expand_wildcards", s.expandWildcards)
}
if s.flatSettings != nil {
params.Set("flat_settings", fmt.Sprintf("%v", *s.flatSettings))
}
if s.local != nil {
params.Set("local", fmt.Sprintf("%v", *s.local))
}
return path, params, nil
}
// Validate checks if the operation is valid.
func (s *IndicesGetSettingsService) Validate() error {
return nil
}
// Do executes the operation.
func (s *IndicesGetSettingsService) Do(ctx context.Context) (map[string]*IndicesGetSettingsResponse, error) {
// Check pre-conditions
if err := s.Validate(); err != nil {
return nil, err
}
// Get URL for request
path, params, err := s.buildURL()
if err != nil {
return nil, err
}
// Get HTTP response
res, err := s.client.PerformRequest(ctx, PerformRequestOptions{
Method: "GET",
Path: path,
Params: params,
})
if err != nil {
return nil, err
}
// Return operation response
var ret map[string]*IndicesGetSettingsResponse
if err := s.client.decoder.Decode(res.Body, &ret); err != nil {
return nil, err
}
return ret, nil
}
// IndicesGetSettingsResponse is the response of IndicesGetSettingsService.Do.
type IndicesGetSettingsResponse struct {
Settings map[string]interface{} `json:"settings"`
}
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