mtfosbot/vendor/github.com/olivere/elastic/indices_stats.go
2018-10-05 16:36:16 +08:00

393 lines
14 KiB
Go

// 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"
)
// IndicesStatsService provides stats on various metrics of one or more
// indices. See https://www.elastic.co/guide/en/elasticsearch/reference/6.2/indices-stats.html.
type IndicesStatsService struct {
client *Client
pretty bool
metric []string
index []string
level string
types []string
completionFields []string
fielddataFields []string
fields []string
groups []string
human *bool
}
// NewIndicesStatsService creates a new IndicesStatsService.
func NewIndicesStatsService(client *Client) *IndicesStatsService {
return &IndicesStatsService{
client: client,
index: make([]string, 0),
metric: make([]string, 0),
completionFields: make([]string, 0),
fielddataFields: make([]string, 0),
fields: make([]string, 0),
groups: make([]string, 0),
types: make([]string, 0),
}
}
// Metric limits the information returned the specific metrics. Options are:
// docs, store, indexing, get, search, completion, fielddata, flush, merge,
// query_cache, refresh, suggest, and warmer.
func (s *IndicesStatsService) Metric(metric ...string) *IndicesStatsService {
s.metric = append(s.metric, metric...)
return s
}
// Index is the list of index names; use `_all` or empty string to perform
// the operation on all indices.
func (s *IndicesStatsService) Index(indices ...string) *IndicesStatsService {
s.index = append(s.index, indices...)
return s
}
// Type is a list of document types for the `indexing` index metric.
func (s *IndicesStatsService) Type(types ...string) *IndicesStatsService {
s.types = append(s.types, types...)
return s
}
// Level returns stats aggregated at cluster, index or shard level.
func (s *IndicesStatsService) Level(level string) *IndicesStatsService {
s.level = level
return s
}
// CompletionFields is a list of fields for `fielddata` and `suggest`
// index metric (supports wildcards).
func (s *IndicesStatsService) CompletionFields(completionFields ...string) *IndicesStatsService {
s.completionFields = append(s.completionFields, completionFields...)
return s
}
// FielddataFields is a list of fields for `fielddata` index metric (supports wildcards).
func (s *IndicesStatsService) FielddataFields(fielddataFields ...string) *IndicesStatsService {
s.fielddataFields = append(s.fielddataFields, fielddataFields...)
return s
}
// Fields is a list of fields for `fielddata` and `completion` index metric
// (supports wildcards).
func (s *IndicesStatsService) Fields(fields ...string) *IndicesStatsService {
s.fields = append(s.fields, fields...)
return s
}
// Groups is a list of search groups for `search` index metric.
func (s *IndicesStatsService) Groups(groups ...string) *IndicesStatsService {
s.groups = append(s.groups, groups...)
return s
}
// Human indicates whether to return time and byte values in human-readable format..
func (s *IndicesStatsService) Human(human bool) *IndicesStatsService {
s.human = &human
return s
}
// Pretty indicates that the JSON response be indented and human readable.
func (s *IndicesStatsService) Pretty(pretty bool) *IndicesStatsService {
s.pretty = pretty
return s
}
// buildURL builds the URL for the operation.
func (s *IndicesStatsService) buildURL() (string, url.Values, error) {
var err error
var path string
if len(s.index) > 0 && len(s.metric) > 0 {
path, err = uritemplates.Expand("/{index}/_stats/{metric}", map[string]string{
"index": strings.Join(s.index, ","),
"metric": strings.Join(s.metric, ","),
})
} else if len(s.index) > 0 {
path, err = uritemplates.Expand("/{index}/_stats", map[string]string{
"index": strings.Join(s.index, ","),
})
} else if len(s.metric) > 0 {
path, err = uritemplates.Expand("/_stats/{metric}", map[string]string{
"metric": strings.Join(s.metric, ","),
})
} else {
path = "/_stats"
}
if err != nil {
return "", url.Values{}, err
}
// Add query string parameters
params := url.Values{}
if s.pretty {
params.Set("pretty", "true")
}
if len(s.groups) > 0 {
params.Set("groups", strings.Join(s.groups, ","))
}
if s.human != nil {
params.Set("human", fmt.Sprintf("%v", *s.human))
}
if s.level != "" {
params.Set("level", s.level)
}
if len(s.types) > 0 {
params.Set("types", strings.Join(s.types, ","))
}
if len(s.completionFields) > 0 {
params.Set("completion_fields", strings.Join(s.completionFields, ","))
}
if len(s.fielddataFields) > 0 {
params.Set("fielddata_fields", strings.Join(s.fielddataFields, ","))
}
if len(s.fields) > 0 {
params.Set("fields", strings.Join(s.fields, ","))
}
return path, params, nil
}
// Validate checks if the operation is valid.
func (s *IndicesStatsService) Validate() error {
return nil
}
// Do executes the operation.
func (s *IndicesStatsService) Do(ctx context.Context) (*IndicesStatsResponse, 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
ret := new(IndicesStatsResponse)
if err := s.client.decoder.Decode(res.Body, ret); err != nil {
return nil, err
}
return ret, nil
}
// IndicesStatsResponse is the response of IndicesStatsService.Do.
type IndicesStatsResponse struct {
// Shards provides information returned from shards.
Shards shardsInfo `json:"_shards"`
// All provides summary stats about all indices.
All *IndexStats `json:"_all,omitempty"`
// Indices provides a map into the stats of an index. The key of the
// map is the index name.
Indices map[string]*IndexStats `json:"indices,omitempty"`
}
// IndexStats is index stats for a specific index.
type IndexStats struct {
Primaries *IndexStatsDetails `json:"primaries,omitempty"`
Total *IndexStatsDetails `json:"total,omitempty"`
}
type IndexStatsDetails struct {
Docs *IndexStatsDocs `json:"docs,omitempty"`
Store *IndexStatsStore `json:"store,omitempty"`
Indexing *IndexStatsIndexing `json:"indexing,omitempty"`
Get *IndexStatsGet `json:"get,omitempty"`
Search *IndexStatsSearch `json:"search,omitempty"`
Merges *IndexStatsMerges `json:"merges,omitempty"`
Refresh *IndexStatsRefresh `json:"refresh,omitempty"`
Flush *IndexStatsFlush `json:"flush,omitempty"`
Warmer *IndexStatsWarmer `json:"warmer,omitempty"`
FilterCache *IndexStatsFilterCache `json:"filter_cache,omitempty"`
IdCache *IndexStatsIdCache `json:"id_cache,omitempty"`
Fielddata *IndexStatsFielddata `json:"fielddata,omitempty"`
Percolate *IndexStatsPercolate `json:"percolate,omitempty"`
Completion *IndexStatsCompletion `json:"completion,omitempty"`
Segments *IndexStatsSegments `json:"segments,omitempty"`
Translog *IndexStatsTranslog `json:"translog,omitempty"`
Suggest *IndexStatsSuggest `json:"suggest,omitempty"`
QueryCache *IndexStatsQueryCache `json:"query_cache,omitempty"`
}
type IndexStatsDocs struct {
Count int64 `json:"count,omitempty"`
Deleted int64 `json:"deleted,omitempty"`
}
type IndexStatsStore struct {
Size string `json:"size,omitempty"` // human size, e.g. 119.3mb
SizeInBytes int64 `json:"size_in_bytes,omitempty"`
}
type IndexStatsIndexing struct {
IndexTotal int64 `json:"index_total,omitempty"`
IndexTime string `json:"index_time,omitempty"`
IndexTimeInMillis int64 `json:"index_time_in_millis,omitempty"`
IndexCurrent int64 `json:"index_current,omitempty"`
DeleteTotal int64 `json:"delete_total,omitempty"`
DeleteTime string `json:"delete_time,omitempty"`
DeleteTimeInMillis int64 `json:"delete_time_in_millis,omitempty"`
DeleteCurrent int64 `json:"delete_current,omitempty"`
NoopUpdateTotal int64 `json:"noop_update_total,omitempty"`
}
type IndexStatsGet struct {
Total int64 `json:"total,omitempty"`
GetTime string `json:"get_time,omitempty"`
TimeInMillis int64 `json:"time_in_millis,omitempty"`
ExistsTotal int64 `json:"exists_total,omitempty"`
ExistsTime string `json:"exists_time,omitempty"`
ExistsTimeInMillis int64 `json:"exists_time_in_millis,omitempty"`
MissingTotal int64 `json:"missing_total,omitempty"`
MissingTime string `json:"missing_time,omitempty"`
MissingTimeInMillis int64 `json:"missing_time_in_millis,omitempty"`
Current int64 `json:"current,omitempty"`
}
type IndexStatsSearch struct {
OpenContexts int64 `json:"open_contexts,omitempty"`
QueryTotal int64 `json:"query_total,omitempty"`
QueryTime string `json:"query_time,omitempty"`
QueryTimeInMillis int64 `json:"query_time_in_millis,omitempty"`
QueryCurrent int64 `json:"query_current,omitempty"`
FetchTotal int64 `json:"fetch_total,omitempty"`
FetchTime string `json:"fetch_time,omitempty"`
FetchTimeInMillis int64 `json:"fetch_time_in_millis,omitempty"`
FetchCurrent int64 `json:"fetch_current,omitempty"`
ScrollTotal int64 `json:"scroll_total,omitempty"`
ScrollTime string `json:"scroll_time,omitempty"`
ScrollTimeInMillis int64 `json:"scroll_time_in_millis,omitempty"`
ScrollCurrent int64 `json:"scroll_current,omitempty"`
SuggestTotal int64 `json:"suggest_total,omitempty"`
SuggestTime string `json:"suggest_time,omitempty"`
SuggestTimeInMillis int64 `json:"suggest_time_in_millis,omitempty"`
SuggestCurrent int64 `json:"suggest_current,omitempty"`
}
type IndexStatsMerges struct {
Current int64 `json:"current,omitempty"`
CurrentDocs int64 `json:"current_docs,omitempty"`
CurrentSize string `json:"current_size,omitempty"`
CurrentSizeInBytes int64 `json:"current_size_in_bytes,omitempty"`
Total int64 `json:"total,omitempty"`
TotalTime string `json:"total_time,omitempty"`
TotalTimeInMillis int64 `json:"total_time_in_millis,omitempty"`
TotalDocs int64 `json:"total_docs,omitempty"`
TotalSize string `json:"total_size,omitempty"`
TotalSizeInBytes int64 `json:"total_size_in_bytes,omitempty"`
}
type IndexStatsRefresh struct {
Total int64 `json:"total,omitempty"`
TotalTime string `json:"total_time,omitempty"`
TotalTimeInMillis int64 `json:"total_time_in_millis,omitempty"`
}
type IndexStatsFlush struct {
Total int64 `json:"total,omitempty"`
TotalTime string `json:"total_time,omitempty"`
TotalTimeInMillis int64 `json:"total_time_in_millis,omitempty"`
}
type IndexStatsWarmer struct {
Current int64 `json:"current,omitempty"`
Total int64 `json:"total,omitempty"`
TotalTime string `json:"total_time,omitempty"`
TotalTimeInMillis int64 `json:"total_time_in_millis,omitempty"`
}
type IndexStatsFilterCache struct {
MemorySize string `json:"memory_size,omitempty"`
MemorySizeInBytes int64 `json:"memory_size_in_bytes,omitempty"`
Evictions int64 `json:"evictions,omitempty"`
}
type IndexStatsIdCache struct {
MemorySize string `json:"memory_size,omitempty"`
MemorySizeInBytes int64 `json:"memory_size_in_bytes,omitempty"`
}
type IndexStatsFielddata struct {
MemorySize string `json:"memory_size,omitempty"`
MemorySizeInBytes int64 `json:"memory_size_in_bytes,omitempty"`
Evictions int64 `json:"evictions,omitempty"`
}
type IndexStatsPercolate struct {
Total int64 `json:"total,omitempty"`
GetTime string `json:"get_time,omitempty"`
TimeInMillis int64 `json:"time_in_millis,omitempty"`
Current int64 `json:"current,omitempty"`
MemorySize string `json:"memory_size,omitempty"`
MemorySizeInBytes int64 `json:"memory_size_in_bytes,omitempty"`
Queries int64 `json:"queries,omitempty"`
}
type IndexStatsCompletion struct {
Size string `json:"size,omitempty"`
SizeInBytes int64 `json:"size_in_bytes,omitempty"`
}
type IndexStatsSegments struct {
Count int64 `json:"count,omitempty"`
Memory string `json:"memory,omitempty"`
MemoryInBytes int64 `json:"memory_in_bytes,omitempty"`
IndexWriterMemory string `json:"index_writer_memory,omitempty"`
IndexWriterMemoryInBytes int64 `json:"index_writer_memory_in_bytes,omitempty"`
IndexWriterMaxMemory string `json:"index_writer_max_memory,omitempty"`
IndexWriterMaxMemoryInBytes int64 `json:"index_writer_max_memory_in_bytes,omitempty"`
VersionMapMemory string `json:"version_map_memory,omitempty"`
VersionMapMemoryInBytes int64 `json:"version_map_memory_in_bytes,omitempty"`
FixedBitSetMemory string `json:"fixed_bit_set,omitempty"`
FixedBitSetMemoryInBytes int64 `json:"fixed_bit_set_memory_in_bytes,omitempty"`
}
type IndexStatsTranslog struct {
Operations int64 `json:"operations,omitempty"`
Size string `json:"size,omitempty"`
SizeInBytes int64 `json:"size_in_bytes,omitempty"`
}
type IndexStatsSuggest struct {
Total int64 `json:"total,omitempty"`
Time string `json:"time,omitempty"`
TimeInMillis int64 `json:"time_in_millis,omitempty"`
Current int64 `json:"current,omitempty"`
}
type IndexStatsQueryCache struct {
MemorySize string `json:"memory_size,omitempty"`
MemorySizeInBytes int64 `json:"memory_size_in_bytes,omitempty"`
Evictions int64 `json:"evictions,omitempty"`
HitCount int64 `json:"hit_count,omitempty"`
MissCount int64 `json:"miss_count,omitempty"`
}