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a2a8d54bb6
This change adds `access` format support for notifications to a Elasticsearch server, and it refactors `namespace` format support. In the case of `access` format, for each event in Minio, a JSON document is inserted into Elasticsearch with its timestamp set to the event's timestamp, and with the ID generated automatically by elasticsearch. No events are modified or deleted in this mode. In the case of `namespace` format, for each event in Minio, a JSON document is keyed together by the bucket and object name is updated in Elasticsearch. In the case of an object being created or over-written in Minio, a new document or an existing document is inserted into the Elasticsearch index. If an object is deleted in Minio, the corresponding document is deleted from the Elasticsearch index. Additionally, this change upgrades Elasticsearch support to the 5.x series. This is a breaking change, and users of previous elasticsearch versions should upgrade. Also updates documentation on Elasticsearch notification target usage and has a link to an elasticsearch upgrade guide. This is the last patch that finally resolves #3928.
387 lines
14 KiB
Go
387 lines
14 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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"fmt"
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"net/url"
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"strings"
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"golang.org/x/net/context"
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"gopkg.in/olivere/elastic.v5/uritemplates"
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)
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// IndicesStatsService provides stats on various metrics of one or more
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// indices. See https://www.elastic.co/guide/en/elasticsearch/reference/5.2/indices-stats.html.
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type IndicesStatsService struct {
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client *Client
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pretty bool
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metric []string
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index []string
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level string
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types []string
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completionFields []string
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fielddataFields []string
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fields []string
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groups []string
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human *bool
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}
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// NewIndicesStatsService creates a new IndicesStatsService.
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func NewIndicesStatsService(client *Client) *IndicesStatsService {
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return &IndicesStatsService{
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client: client,
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index: make([]string, 0),
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metric: make([]string, 0),
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completionFields: make([]string, 0),
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fielddataFields: make([]string, 0),
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fields: make([]string, 0),
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groups: make([]string, 0),
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types: make([]string, 0),
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}
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}
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// Metric limits the information returned the specific metrics. Options are:
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// docs, store, indexing, get, search, completion, fielddata, flush, merge,
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// query_cache, refresh, suggest, and warmer.
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func (s *IndicesStatsService) Metric(metric ...string) *IndicesStatsService {
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s.metric = append(s.metric, metric...)
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return s
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}
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// Index is the list of index names; use `_all` or empty string to perform
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// the operation on all indices.
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func (s *IndicesStatsService) Index(indices ...string) *IndicesStatsService {
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s.index = append(s.index, indices...)
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return s
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}
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// Type is a list of document types for the `indexing` index metric.
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func (s *IndicesStatsService) Type(types ...string) *IndicesStatsService {
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s.types = append(s.types, types...)
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return s
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}
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// Level returns stats aggregated at cluster, index or shard level.
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func (s *IndicesStatsService) Level(level string) *IndicesStatsService {
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s.level = level
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return s
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}
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// CompletionFields is a list of fields for `fielddata` and `suggest`
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// index metric (supports wildcards).
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func (s *IndicesStatsService) CompletionFields(completionFields ...string) *IndicesStatsService {
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s.completionFields = append(s.completionFields, completionFields...)
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return s
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}
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// FielddataFields is a list of fields for `fielddata` index metric (supports wildcards).
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func (s *IndicesStatsService) FielddataFields(fielddataFields ...string) *IndicesStatsService {
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s.fielddataFields = append(s.fielddataFields, fielddataFields...)
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return s
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}
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// Fields is a list of fields for `fielddata` and `completion` index metric
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// (supports wildcards).
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func (s *IndicesStatsService) Fields(fields ...string) *IndicesStatsService {
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s.fields = append(s.fields, fields...)
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return s
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}
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// Groups is a list of search groups for `search` index metric.
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func (s *IndicesStatsService) Groups(groups ...string) *IndicesStatsService {
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s.groups = append(s.groups, groups...)
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return s
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}
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// Human indicates whether to return time and byte values in human-readable format..
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func (s *IndicesStatsService) Human(human bool) *IndicesStatsService {
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s.human = &human
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return s
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}
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// Pretty indicates that the JSON response be indented and human readable.
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func (s *IndicesStatsService) Pretty(pretty bool) *IndicesStatsService {
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s.pretty = pretty
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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 *IndicesStatsService) buildURL() (string, url.Values, error) {
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var err error
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var path string
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if len(s.index) > 0 && len(s.metric) > 0 {
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path, err = uritemplates.Expand("/{index}/_stats/{metric}", map[string]string{
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"index": strings.Join(s.index, ","),
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"metric": strings.Join(s.metric, ","),
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})
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} else if len(s.index) > 0 {
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path, err = uritemplates.Expand("/{index}/_stats", map[string]string{
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"index": strings.Join(s.index, ","),
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})
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} else if len(s.metric) > 0 {
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path, err = uritemplates.Expand("/_stats/{metric}", map[string]string{
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"metric": strings.Join(s.metric, ","),
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})
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} else {
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path = "/_stats"
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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 s.pretty {
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params.Set("pretty", "1")
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}
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if len(s.groups) > 0 {
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params.Set("groups", strings.Join(s.groups, ","))
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}
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if s.human != nil {
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params.Set("human", fmt.Sprintf("%v", *s.human))
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}
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if s.level != "" {
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params.Set("level", s.level)
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}
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if len(s.types) > 0 {
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params.Set("types", strings.Join(s.types, ","))
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}
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if len(s.completionFields) > 0 {
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params.Set("completion_fields", strings.Join(s.completionFields, ","))
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}
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if len(s.fielddataFields) > 0 {
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params.Set("fielddata_fields", strings.Join(s.fielddataFields, ","))
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}
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if len(s.fields) > 0 {
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params.Set("fields", strings.Join(s.fields, ","))
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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 *IndicesStatsService) Validate() error {
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return nil
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}
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// Do executes the operation.
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func (s *IndicesStatsService) Do(ctx context.Context) (*IndicesStatsResponse, 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, "GET", path, params, nil)
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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(IndicesStatsResponse)
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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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// IndicesStatsResponse is the response of IndicesStatsService.Do.
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type IndicesStatsResponse struct {
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// Shards provides information returned from shards.
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Shards shardsInfo `json:"_shards"`
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// All provides summary stats about all indices.
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All *IndexStats `json:"_all,omitempty"`
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// Indices provides a map into the stats of an index. The key of the
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// map is the index name.
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Indices map[string]*IndexStats `json:"indices,omitempty"`
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}
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// IndexStats is index stats for a specific index.
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type IndexStats struct {
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Primaries *IndexStatsDetails `json:"primaries,omitempty"`
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Total *IndexStatsDetails `json:"total,omitempty"`
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}
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type IndexStatsDetails struct {
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Docs *IndexStatsDocs `json:"docs,omitempty"`
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Store *IndexStatsStore `json:"store,omitempty"`
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Indexing *IndexStatsIndexing `json:"indexing,omitempty"`
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Get *IndexStatsGet `json:"get,omitempty"`
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Search *IndexStatsSearch `json:"search,omitempty"`
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Merges *IndexStatsMerges `json:"merges,omitempty"`
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Refresh *IndexStatsRefresh `json:"refresh,omitempty"`
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Flush *IndexStatsFlush `json:"flush,omitempty"`
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Warmer *IndexStatsWarmer `json:"warmer,omitempty"`
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FilterCache *IndexStatsFilterCache `json:"filter_cache,omitempty"`
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IdCache *IndexStatsIdCache `json:"id_cache,omitempty"`
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Fielddata *IndexStatsFielddata `json:"fielddata,omitempty"`
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Percolate *IndexStatsPercolate `json:"percolate,omitempty"`
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Completion *IndexStatsCompletion `json:"completion,omitempty"`
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Segments *IndexStatsSegments `json:"segments,omitempty"`
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Translog *IndexStatsTranslog `json:"translog,omitempty"`
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Suggest *IndexStatsSuggest `json:"suggest,omitempty"`
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QueryCache *IndexStatsQueryCache `json:"query_cache,omitempty"`
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}
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type IndexStatsDocs struct {
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Count int64 `json:"count,omitempty"`
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Deleted int64 `json:"deleted,omitempty"`
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}
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type IndexStatsStore struct {
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Size string `json:"size,omitempty"` // human size, e.g. 119.3mb
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SizeInBytes int64 `json:"size_in_bytes,omitempty"`
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ThrottleTime string `json:"throttle_time,omitempty"` // human time, e.g. 0s
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ThrottleTimeInMillis int64 `json:"throttle_time_in_millis,omitempty"`
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}
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type IndexStatsIndexing struct {
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IndexTotal int64 `json:"index_total,omitempty"`
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IndexTime string `json:"index_time,omitempty"`
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IndexTimeInMillis int64 `json:"index_time_in_millis,omitempty"`
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IndexCurrent int64 `json:"index_current,omitempty"`
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DeleteTotal int64 `json:"delete_total,omitempty"`
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DeleteTime string `json:"delete_time,omitempty"`
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DeleteTimeInMillis int64 `json:"delete_time_in_millis,omitempty"`
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DeleteCurrent int64 `json:"delete_current,omitempty"`
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NoopUpdateTotal int64 `json:"noop_update_total,omitempty"`
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IsThrottled bool `json:"is_throttled,omitempty"`
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ThrottleTime string `json:"throttle_time,omitempty"`
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ThrottleTimeInMillis int64 `json:"throttle_time_in_millis,omitempty"`
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}
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type IndexStatsGet struct {
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Total int64 `json:"total,omitempty"`
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GetTime string `json:"get_time,omitempty"`
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TimeInMillis int64 `json:"time_in_millis,omitempty"`
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ExistsTotal int64 `json:"exists_total,omitempty"`
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ExistsTime string `json:"exists_time,omitempty"`
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ExistsTimeInMillis int64 `json:"exists_time_in_millis,omitempty"`
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MissingTotal int64 `json:"missing_total,omitempty"`
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MissingTime string `json:"missing_time,omitempty"`
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MissingTimeInMillis int64 `json:"missing_time_in_millis,omitempty"`
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Current int64 `json:"current,omitempty"`
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}
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type IndexStatsSearch struct {
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OpenContexts int64 `json:"open_contexts,omitempty"`
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QueryTotal int64 `json:"query_total,omitempty"`
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QueryTime string `json:"query_time,omitempty"`
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QueryTimeInMillis int64 `json:"query_time_in_millis,omitempty"`
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QueryCurrent int64 `json:"query_current,omitempty"`
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FetchTotal int64 `json:"fetch_total,omitempty"`
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FetchTime string `json:"fetch_time,omitempty"`
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FetchTimeInMillis int64 `json:"fetch_time_in_millis,omitempty"`
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FetchCurrent int64 `json:"fetch_current,omitempty"`
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}
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type IndexStatsMerges struct {
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Current int64 `json:"current,omitempty"`
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CurrentDocs int64 `json:"current_docs,omitempty"`
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CurrentSize string `json:"current_size,omitempty"`
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CurrentSizeInBytes int64 `json:"current_size_in_bytes,omitempty"`
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Total int64 `json:"total,omitempty"`
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TotalTime string `json:"total_time,omitempty"`
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TotalTimeInMillis int64 `json:"total_time_in_millis,omitempty"`
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TotalDocs int64 `json:"total_docs,omitempty"`
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TotalSize string `json:"total_size,omitempty"`
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TotalSizeInBytes int64 `json:"total_size_in_bytes,omitempty"`
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}
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type IndexStatsRefresh struct {
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Total int64 `json:"total,omitempty"`
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TotalTime string `json:"total_time,omitempty"`
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TotalTimeInMillis int64 `json:"total_time_in_millis,omitempty"`
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}
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type IndexStatsFlush struct {
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Total int64 `json:"total,omitempty"`
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TotalTime string `json:"total_time,omitempty"`
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TotalTimeInMillis int64 `json:"total_time_in_millis,omitempty"`
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}
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type IndexStatsWarmer struct {
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Current int64 `json:"current,omitempty"`
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Total int64 `json:"total,omitempty"`
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TotalTime string `json:"total_time,omitempty"`
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TotalTimeInMillis int64 `json:"total_time_in_millis,omitempty"`
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}
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type IndexStatsFilterCache struct {
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MemorySize string `json:"memory_size,omitempty"`
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MemorySizeInBytes int64 `json:"memory_size_in_bytes,omitempty"`
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Evictions int64 `json:"evictions,omitempty"`
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}
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type IndexStatsIdCache struct {
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MemorySize string `json:"memory_size,omitempty"`
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MemorySizeInBytes int64 `json:"memory_size_in_bytes,omitempty"`
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}
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type IndexStatsFielddata struct {
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MemorySize string `json:"memory_size,omitempty"`
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MemorySizeInBytes int64 `json:"memory_size_in_bytes,omitempty"`
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Evictions int64 `json:"evictions,omitempty"`
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}
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type IndexStatsPercolate struct {
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Total int64 `json:"total,omitempty"`
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GetTime string `json:"get_time,omitempty"`
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TimeInMillis int64 `json:"time_in_millis,omitempty"`
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Current int64 `json:"current,omitempty"`
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MemorySize string `json:"memory_size,omitempty"`
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MemorySizeInBytes int64 `json:"memory_size_in_bytes,omitempty"`
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Queries int64 `json:"queries,omitempty"`
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}
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type IndexStatsCompletion struct {
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Size string `json:"size,omitempty"`
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SizeInBytes int64 `json:"size_in_bytes,omitempty"`
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}
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type IndexStatsSegments struct {
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Count int64 `json:"count,omitempty"`
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Memory string `json:"memory,omitempty"`
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MemoryInBytes int64 `json:"memory_in_bytes,omitempty"`
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IndexWriterMemory string `json:"index_writer_memory,omitempty"`
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IndexWriterMemoryInBytes int64 `json:"index_writer_memory_in_bytes,omitempty"`
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IndexWriterMaxMemory string `json:"index_writer_max_memory,omitempty"`
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IndexWriterMaxMemoryInBytes int64 `json:"index_writer_max_memory_in_bytes,omitempty"`
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VersionMapMemory string `json:"version_map_memory,omitempty"`
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VersionMapMemoryInBytes int64 `json:"version_map_memory_in_bytes,omitempty"`
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FixedBitSetMemory string `json:"fixed_bit_set,omitempty"`
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FixedBitSetMemoryInBytes int64 `json:"fixed_bit_set_memory_in_bytes,omitempty"`
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}
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type IndexStatsTranslog struct {
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Operations int64 `json:"operations,omitempty"`
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Size string `json:"size,omitempty"`
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SizeInBytes int64 `json:"size_in_bytes,omitempty"`
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}
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type IndexStatsSuggest struct {
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Total int64 `json:"total,omitempty"`
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Time string `json:"time,omitempty"`
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TimeInMillis int64 `json:"time_in_millis,omitempty"`
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Current int64 `json:"current,omitempty"`
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}
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type IndexStatsQueryCache struct {
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MemorySize string `json:"memory_size,omitempty"`
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MemorySizeInBytes int64 `json:"memory_size_in_bytes,omitempty"`
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Evictions int64 `json:"evictions,omitempty"`
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HitCount int64 `json:"hit_count,omitempty"`
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MissCount int64 `json:"miss_count,omitempty"`
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}
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