5dbf36f356
* Issue search support elasticsearch * Fix lint * Add indexer name on app.ini * add a warnning on SearchIssuesByKeyword * improve code
282 lines
8.0 KiB
Go
282 lines
8.0 KiB
Go
// Copyright 2012-present Oliver Eilhard. All rights reserved.
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// Use of this source code is governed by a MIT-license.
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// See http://olivere.mit-license.org/license.txt for details.
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package elastic
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import (
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"context"
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"encoding/json"
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"fmt"
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"net/http"
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"net/url"
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"strings"
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"github.com/olivere/elastic/v7/uritemplates"
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)
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// IndicesSyncedFlushService performs a normal flush, then adds a generated
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// unique marked (sync_id) to all shards.
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//
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// See https://www.elastic.co/guide/en/elasticsearch/reference/7.0/indices-synced-flush.html
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// for details.
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type IndicesSyncedFlushService struct {
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client *Client
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pretty *bool // pretty format the returned JSON response
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human *bool // return human readable values for statistics
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errorTrace *bool // include the stack trace of returned errors
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filterPath []string // list of filters used to reduce the response
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headers http.Header // custom request-level HTTP headers
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index []string
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ignoreUnavailable *bool
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allowNoIndices *bool
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expandWildcards string
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}
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// NewIndicesSyncedFlushService creates a new IndicesSyncedFlushService.
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func NewIndicesSyncedFlushService(client *Client) *IndicesSyncedFlushService {
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return &IndicesSyncedFlushService{
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client: client,
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}
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}
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// Pretty tells Elasticsearch whether to return a formatted JSON response.
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func (s *IndicesSyncedFlushService) Pretty(pretty bool) *IndicesSyncedFlushService {
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s.pretty = &pretty
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return s
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}
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// Human specifies whether human readable values should be returned in
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// the JSON response, e.g. "7.5mb".
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func (s *IndicesSyncedFlushService) Human(human bool) *IndicesSyncedFlushService {
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s.human = &human
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return s
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}
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// ErrorTrace specifies whether to include the stack trace of returned errors.
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func (s *IndicesSyncedFlushService) ErrorTrace(errorTrace bool) *IndicesSyncedFlushService {
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s.errorTrace = &errorTrace
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return s
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}
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// FilterPath specifies a list of filters used to reduce the response.
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func (s *IndicesSyncedFlushService) FilterPath(filterPath ...string) *IndicesSyncedFlushService {
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s.filterPath = filterPath
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return s
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}
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// Header adds a header to the request.
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func (s *IndicesSyncedFlushService) Header(name string, value string) *IndicesSyncedFlushService {
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if s.headers == nil {
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s.headers = http.Header{}
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}
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s.headers.Add(name, value)
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return s
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}
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// Headers specifies the headers of the request.
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func (s *IndicesSyncedFlushService) Headers(headers http.Header) *IndicesSyncedFlushService {
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s.headers = headers
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return s
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}
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// Index is a list of index names; use `_all` or empty string for all indices.
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func (s *IndicesSyncedFlushService) Index(indices ...string) *IndicesSyncedFlushService {
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s.index = append(s.index, indices...)
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return s
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}
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// IgnoreUnavailable indicates whether specified concrete indices should be
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// ignored when unavailable (missing or closed).
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func (s *IndicesSyncedFlushService) IgnoreUnavailable(ignoreUnavailable bool) *IndicesSyncedFlushService {
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s.ignoreUnavailable = &ignoreUnavailable
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return s
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}
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// AllowNoIndices indicates whether to ignore if a wildcard indices expression
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// resolves into no concrete indices. (This includes `_all` string or when
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// no indices have been specified).
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func (s *IndicesSyncedFlushService) AllowNoIndices(allowNoIndices bool) *IndicesSyncedFlushService {
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s.allowNoIndices = &allowNoIndices
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return s
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}
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// ExpandWildcards specifies whether to expand wildcard expression to
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// concrete indices that are open, closed or both..
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func (s *IndicesSyncedFlushService) ExpandWildcards(expandWildcards string) *IndicesSyncedFlushService {
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s.expandWildcards = expandWildcards
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return s
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}
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// buildURL builds the URL for the operation.
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func (s *IndicesSyncedFlushService) buildURL() (string, url.Values, error) {
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// Build URL
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var err error
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var path string
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if len(s.index) > 0 {
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path, err = uritemplates.Expand("/{index}/_flush/synced", map[string]string{
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"index": strings.Join(s.index, ","),
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})
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} else {
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path = "/_flush/synced"
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}
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if err != nil {
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return "", url.Values{}, err
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}
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// Add query string parameters
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params := url.Values{}
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if v := s.pretty; v != nil {
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params.Set("pretty", fmt.Sprint(*v))
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}
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if v := s.human; v != nil {
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params.Set("human", fmt.Sprint(*v))
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}
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if v := s.errorTrace; v != nil {
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params.Set("error_trace", fmt.Sprint(*v))
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}
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if len(s.filterPath) > 0 {
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params.Set("filter_path", strings.Join(s.filterPath, ","))
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}
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if s.ignoreUnavailable != nil {
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params.Set("ignore_unavailable", fmt.Sprintf("%v", *s.ignoreUnavailable))
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}
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if s.allowNoIndices != nil {
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params.Set("allow_no_indices", fmt.Sprintf("%v", *s.allowNoIndices))
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}
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if s.expandWildcards != "" {
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params.Set("expand_wildcards", s.expandWildcards)
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}
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return path, params, nil
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}
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// Validate checks if the operation is valid.
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func (s *IndicesSyncedFlushService) Validate() error {
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return nil
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}
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// Do executes the service.
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func (s *IndicesSyncedFlushService) Do(ctx context.Context) (*IndicesSyncedFlushResponse, error) {
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// Check pre-conditions
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if err := s.Validate(); err != nil {
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return nil, err
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}
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// Get URL for request
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path, params, err := s.buildURL()
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if err != nil {
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return nil, err
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}
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// Get HTTP response
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res, err := s.client.PerformRequest(ctx, PerformRequestOptions{
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Method: "POST",
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Path: path,
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Params: params,
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Headers: s.headers,
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})
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if err != nil {
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return nil, err
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}
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// Return operation response
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ret := new(IndicesSyncedFlushResponse)
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if err := s.client.decoder.Decode(res.Body, ret); err != nil {
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return nil, err
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}
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return ret, nil
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}
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// -- Result of a flush request.
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// IndicesSyncedFlushResponse is the outcome of a synched flush call.
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type IndicesSyncedFlushResponse struct {
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Shards *ShardsInfo `json:"_shards"`
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Index map[string]*IndicesShardsSyncedFlushResult `json:"-"`
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// TODO Add information about the indices here from the root level
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// It looks like this:
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// {
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// "_shards" : {
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// "total" : 4,
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// "successful" : 4,
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// "failed" : 0
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// },
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// "elastic-test" : {
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// "total" : 1,
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// "successful" : 1,
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// "failed" : 0
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// },
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// "elastic-test2" : {
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// "total" : 1,
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// "successful" : 1,
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// "failed" : 0
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// },
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// "elastic-orders" : {
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// "total" : 1,
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// "successful" : 1,
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// "failed" : 0
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// },
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// "elastic-nosource-test" : {
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// "total" : 1,
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// "successful" : 1,
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// "failed" : 0
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// }
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// }
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}
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// IndicesShardsSyncedFlushResult represents synced flush information about
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// a specific index.
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type IndicesShardsSyncedFlushResult struct {
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Total int `json:"total"`
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Successful int `json:"successful"`
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Failed int `json:"failed"`
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Failures []IndicesShardsSyncedFlushResultFailure `json:"failures,omitempty"`
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}
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// IndicesShardsSyncedFlushResultFailure represents a failure of a synced
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// flush operation.
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type IndicesShardsSyncedFlushResultFailure struct {
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Shard int `json:"shard"`
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Reason string `json:"reason"`
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Routing struct {
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State string `json:"state"`
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Primary bool `json:"primary"`
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Node string `json:"node"`
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RelocatingNode *string `json:"relocating_node"`
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Shard int `json:"shard"`
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Index string `json:"index"`
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ExpectedShardSizeInBytes int64 `json:"expected_shard_size_in_bytes,omitempty"`
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// recoverySource
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// allocationId
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// unassignedInfo
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} `json:"routing"`
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}
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// UnmarshalJSON parses the output from Synced Flush API.
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func (resp *IndicesSyncedFlushResponse) UnmarshalJSON(data []byte) error {
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m := make(map[string]json.RawMessage)
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err := json.Unmarshal(data, &m)
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if err != nil {
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return err
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}
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resp.Index = make(map[string]*IndicesShardsSyncedFlushResult)
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for k, v := range m {
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if k == "_shards" {
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if err := json.Unmarshal(v, &resp.Shards); err != nil {
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return err
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}
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} else {
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ix := new(IndicesShardsSyncedFlushResult)
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if err := json.Unmarshal(v, &ix); err != nil {
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return err
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}
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resp.Index[k] = ix
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}
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}
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return nil
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}
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