You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
389 lines
17 KiB
389 lines
17 KiB
// 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/http"
|
|
"net/url"
|
|
"strings"
|
|
|
|
"github.com/olivere/elastic/v7/uritemplates"
|
|
)
|
|
|
|
// CatShardsService returns the list of shards plus some additional
|
|
// information about them.
|
|
//
|
|
// See https://www.elastic.co/guide/en/elasticsearch/reference/7.6/cat-shards.html
|
|
// for details.
|
|
type CatShardsService struct {
|
|
client *Client
|
|
|
|
pretty *bool // pretty format the returned JSON response
|
|
human *bool // return human readable values for statistics
|
|
errorTrace *bool // include the stack trace of returned errors
|
|
filterPath []string // list of filters used to reduce the response
|
|
|
|
index []string
|
|
bytes string // b, k, kb, m, mb, g, gb, t, tb, p, or pb
|
|
local *bool
|
|
masterTimeout string
|
|
columns []string
|
|
time string // d, h, m, s, ms, micros, or nanos
|
|
sort []string // list of columns for sort order
|
|
headers http.Header
|
|
}
|
|
|
|
// NewCatShardsService creates a new CatShardsService.
|
|
func NewCatShardsService(client *Client) *CatShardsService {
|
|
return &CatShardsService{
|
|
client: client,
|
|
}
|
|
}
|
|
|
|
// Pretty tells Elasticsearch whether to return a formatted JSON response.
|
|
func (s *CatShardsService) Pretty(pretty bool) *CatShardsService {
|
|
s.pretty = &pretty
|
|
return s
|
|
}
|
|
|
|
// Human specifies whether human readable values should be returned in
|
|
// the JSON response, e.g. "7.5mb".
|
|
func (s *CatShardsService) Human(human bool) *CatShardsService {
|
|
s.human = &human
|
|
return s
|
|
}
|
|
|
|
// ErrorTrace specifies whether to include the stack trace of returned errors.
|
|
func (s *CatShardsService) ErrorTrace(errorTrace bool) *CatShardsService {
|
|
s.errorTrace = &errorTrace
|
|
return s
|
|
}
|
|
|
|
// FilterPath specifies a list of filters used to reduce the response.
|
|
func (s *CatShardsService) FilterPath(filterPath ...string) *CatShardsService {
|
|
s.filterPath = filterPath
|
|
return s
|
|
}
|
|
|
|
// Header adds a header to the request.
|
|
func (s *CatShardsService) Header(name string, value string) *CatShardsService {
|
|
if s.headers == nil {
|
|
s.headers = http.Header{}
|
|
}
|
|
s.headers.Add(name, value)
|
|
return s
|
|
}
|
|
|
|
// Headers specifies the headers of the request.
|
|
func (s *CatShardsService) Headers(headers http.Header) *CatShardsService {
|
|
s.headers = headers
|
|
return s
|
|
}
|
|
|
|
// Index is the name of the index to list (by default all indices are returned).
|
|
func (s *CatShardsService) Index(index ...string) *CatShardsService {
|
|
s.index = index
|
|
return s
|
|
}
|
|
|
|
// Bytes represents the unit in which to display byte values.
|
|
// Valid values are: "b", "k", "kb", "m", "mb", "g", "gb", "t", "tb", "p" or "pb".
|
|
func (s *CatShardsService) Bytes(bytes string) *CatShardsService {
|
|
s.bytes = bytes
|
|
return s
|
|
}
|
|
|
|
// Local indicates to return local information, i.e. do not retrieve
|
|
// the state from master node (default: false).
|
|
func (s *CatShardsService) Local(local bool) *CatShardsService {
|
|
s.local = &local
|
|
return s
|
|
}
|
|
|
|
// MasterTimeout is the explicit operation timeout for connection to master node.
|
|
func (s *CatShardsService) MasterTimeout(masterTimeout string) *CatShardsService {
|
|
s.masterTimeout = masterTimeout
|
|
return s
|
|
}
|
|
|
|
// Columns to return in the response.
|
|
//
|
|
// To get a list of all possible columns to return, run the following command
|
|
// in your terminal:
|
|
//
|
|
// Example:
|
|
// curl 'http://localhost:9200/_cat/shards?help'
|
|
//
|
|
// You can use Columns("*") to return all possible columns. That might take
|
|
// a little longer than the default set of columns.
|
|
func (s *CatShardsService) Columns(columns ...string) *CatShardsService {
|
|
s.columns = columns
|
|
return s
|
|
}
|
|
|
|
// Sort is a list of fields to sort by.
|
|
func (s *CatShardsService) Sort(fields ...string) *CatShardsService {
|
|
s.sort = fields
|
|
return s
|
|
}
|
|
|
|
// Time specifies the way that time values are formatted with.
|
|
func (s *CatShardsService) Time(time string) *CatShardsService {
|
|
s.time = time
|
|
return s
|
|
}
|
|
|
|
// buildURL builds the URL for the operation.
|
|
func (s *CatShardsService) buildURL() (string, url.Values, error) {
|
|
// Build URL
|
|
var (
|
|
path string
|
|
err error
|
|
)
|
|
|
|
if len(s.index) > 0 {
|
|
path, err = uritemplates.Expand("/_cat/shards/{index}", map[string]string{
|
|
"index": strings.Join(s.index, ","),
|
|
})
|
|
} else {
|
|
path = "/_cat/shards"
|
|
}
|
|
if err != nil {
|
|
return "", url.Values{}, err
|
|
}
|
|
|
|
// Add query string parameters
|
|
params := url.Values{
|
|
"format": []string{"json"}, // always returns as JSON
|
|
}
|
|
if v := s.pretty; v != nil {
|
|
params.Set("pretty", fmt.Sprint(*v))
|
|
}
|
|
if v := s.human; v != nil {
|
|
params.Set("human", fmt.Sprint(*v))
|
|
}
|
|
if v := s.errorTrace; v != nil {
|
|
params.Set("error_trace", fmt.Sprint(*v))
|
|
}
|
|
if len(s.filterPath) > 0 {
|
|
params.Set("filter_path", strings.Join(s.filterPath, ","))
|
|
}
|
|
if s.bytes != "" {
|
|
params.Set("bytes", s.bytes)
|
|
}
|
|
if s.time != "" {
|
|
params.Set("time", s.time)
|
|
}
|
|
if v := s.local; v != nil {
|
|
params.Set("local", fmt.Sprint(*v))
|
|
}
|
|
if s.masterTimeout != "" {
|
|
params.Set("master_timeout", s.masterTimeout)
|
|
}
|
|
if len(s.columns) > 0 {
|
|
// loop through all columns and apply alias if needed
|
|
for i, column := range s.columns {
|
|
if fullValueRaw, isAliased := catShardsResponseRowAliasesMap[column]; isAliased {
|
|
// alias can be translated to multiple fields,
|
|
// so if translated value contains a comma, than replace the first value
|
|
// and append the others
|
|
if strings.Contains(fullValueRaw, ",") {
|
|
fullValues := strings.Split(fullValueRaw, ",")
|
|
s.columns[i] = fullValues[0]
|
|
s.columns = append(s.columns, fullValues[1:]...)
|
|
} else {
|
|
s.columns[i] = fullValueRaw
|
|
}
|
|
}
|
|
}
|
|
params.Set("h", strings.Join(s.columns, ","))
|
|
}
|
|
if len(s.sort) > 0 {
|
|
params.Set("s", strings.Join(s.sort, ","))
|
|
}
|
|
return path, params, nil
|
|
}
|
|
|
|
// Do executes the operation.
|
|
func (s *CatShardsService) Do(ctx context.Context) (CatShardsResponse, error) {
|
|
// 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,
|
|
Headers: s.headers,
|
|
})
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
// Return operation response
|
|
var ret CatShardsResponse
|
|
if err := s.client.decoder.Decode(res.Body, &ret); err != nil {
|
|
return nil, err
|
|
}
|
|
return ret, nil
|
|
}
|
|
|
|
// -- Result of a get request.
|
|
|
|
// CatShardsResponse is the outcome of CatShardsService.Do.
|
|
type CatShardsResponse []CatShardsResponseRow
|
|
|
|
// CatShardsResponseRow specifies the data returned for one index
|
|
// of a CatShardsResponse. Notice that not all of these fields might
|
|
// be filled; that depends on the number of columns chose in the
|
|
// request (see CatShardsService.Columns).
|
|
type CatShardsResponseRow struct {
|
|
Index string `json:"index"` // index name
|
|
UUID string `json:"uuid"` // index uuid
|
|
Shard int `json:"shard,string"` // shard number, e.g. 1
|
|
Prirep string `json:"prirep"` // "r" for replica, "p" for primary
|
|
State string `json:"state"` // STARTED, INITIALIZING, RELOCATING, or UNASSIGNED
|
|
Docs int64 `json:"docs,string"` // number of documents, e.g. 142847
|
|
Store string `json:"store"` // size, e.g. "40mb"
|
|
IP string `json:"ip"` // IP address
|
|
ID string `json:"id"`
|
|
Node string `json:"node"` // Node name
|
|
SyncID string `json:"sync_id"`
|
|
UnassignedReason string `json:"unassigned.reason"`
|
|
UnassignedAt string `json:"unassigned.at"`
|
|
UnassignedFor string `json:"unassigned.for"`
|
|
UnassignedDetails string `json:"unassigned.details"`
|
|
RecoverysourceType string `json:"recoverysource.type"`
|
|
CompletionSize string `json:"completion.size"` // size of completion on primaries & replicas
|
|
FielddataMemorySize string `json:"fielddata.memory_size"` // used fielddata cache on primaries & replicas
|
|
FielddataEvictions int `json:"fielddata.evictions,string"` // fielddata evictions on primaries & replicas
|
|
QueryCacheMemorySize string `json:"query_cache.memory_size"` // used query cache on primaries & replicas
|
|
QueryCacheEvictions int `json:"query_cache.evictions,string"` // query cache evictions on primaries & replicas
|
|
FlushTotal int `json:"flush.total,string"` // number of flushes on primaries & replicas
|
|
FlushTotalTime string `json:"flush.total_time"` // time spent in flush on primaries & replicas
|
|
GetCurrent int `json:"get.current,string"` // number of current get ops on primaries & replicas
|
|
GetTime string `json:"get.time"` // time spent in get on primaries & replicas
|
|
GetTotal int `json:"get.total,string"` // number of get ops on primaries & replicas
|
|
GetExistsTime string `json:"get.exists_time"` // time spent in successful gets on primaries & replicas
|
|
GetExistsTotal int `json:"get.exists_total,string"` // number of successful gets on primaries & replicas
|
|
GetMissingTime string `json:"get.missing_time"` // time spent in failed gets on primaries & replicas
|
|
GetMissingTotal int `json:"get.missing_total,string"` // number of failed gets on primaries & replicas
|
|
IndexingDeleteCurrent int `json:"indexing.delete_current,string"` // number of current deletions on primaries & replicas
|
|
IndexingDeleteTime string `json:"indexing.delete_time"` // time spent in deletions on primaries & replicas
|
|
IndexingDeleteTotal int `json:"indexing.delete_total,string"` // number of delete ops on primaries & replicas
|
|
IndexingIndexCurrent int `json:"indexing.index_current,string"` // number of current indexing on primaries & replicas
|
|
IndexingIndexTime string `json:"indexing.index_time"` // time spent in indexing on primaries & replicas
|
|
IndexingIndexTotal int `json:"indexing.index_total,string"` // number of index ops on primaries & replicas
|
|
IndexingIndexFailed int `json:"indexing.index_failed,string"` // number of failed indexing ops on primaries & replicas
|
|
MergesCurrent int `json:"merges.current,string"` // number of current merges on primaries & replicas
|
|
MergesCurrentDocs int `json:"merges.current_docs,string"` // number of current merging docs on primaries & replicas
|
|
MergesCurrentSize string `json:"merges.current_size"` // size of current merges on primaries & replicas
|
|
MergesTotal int `json:"merges.total,string"` // number of completed merge ops on primaries & replicas
|
|
MergesTotalDocs int `json:"merges.total_docs,string"` // docs merged on primaries & replicas
|
|
MergesTotalSize string `json:"merges.total_size"` // size merged on primaries & replicas
|
|
MergesTotalTime string `json:"merges.total_time"` // time spent in merges on primaries & replicas
|
|
RefreshTotal int `json:"refresh.total,string"` // total refreshes on primaries & replicas
|
|
RefreshExternalTotal int `json:"refresh.external_total,string"` // total external refreshes on primaries & replicas
|
|
RefreshTime string `json:"refresh.time"` // time spent in refreshes on primaries & replicas
|
|
RefreshExternalTime string `json:"refresh.external_time"` // external time spent in refreshes on primaries & replicas
|
|
RefreshListeners int `json:"refresh.listeners,string"` // number of pending refresh listeners on primaries & replicas
|
|
SearchFetchCurrent int `json:"search.fetch_current,string"` // current fetch phase ops on primaries & replicas
|
|
SearchFetchTime string `json:"search.fetch_time"` // time spent in fetch phase on primaries & replicas
|
|
SearchFetchTotal int `json:"search.fetch_total,string"` // total fetch ops on primaries & replicas
|
|
SearchOpenContexts int `json:"search.open_contexts,string"` // open search contexts on primaries & replicas
|
|
SearchQueryCurrent int `json:"search.query_current,string"` // current query phase ops on primaries & replicas
|
|
SearchQueryTime string `json:"search.query_time"` // time spent in query phase on primaries & replicas, e.g. "0s"
|
|
SearchQueryTotal int `json:"search.query_total,string"` // total query phase ops on primaries & replicas
|
|
SearchScrollCurrent int `json:"search.scroll_current,string"` // open scroll contexts on primaries & replicas
|
|
SearchScrollTime string `json:"search.scroll_time"` // time scroll contexts held open on primaries & replicas, e.g. "0s"
|
|
SearchScrollTotal int `json:"search.scroll_total,string"` // completed scroll contexts on primaries & replicas
|
|
SearchThrottled bool `json:"search.throttled,string"` // indicates if the index is search throttled
|
|
SegmentsCount int `json:"segments.count,string"` // number of segments on primaries & replicas
|
|
SegmentsMemory string `json:"segments.memory"` // memory used by segments on primaries & replicas, e.g. "1.3kb"
|
|
SegmentsIndexWriterMemory string `json:"segments.index_writer_memory"` // memory used by index writer on primaries & replicas, e.g. "0b"
|
|
SegmentsVersionMapMemory string `json:"segments.version_map_memory"` // memory used by version map on primaries & replicas, e.g. "0b"
|
|
SegmentsFixedBitsetMemory string `json:"segments.fixed_bitset_memory"` // memory used by fixed bit sets for nested object field types and type filters for types referred in _parent fields on primaries & replicas, e.g. "0b"
|
|
SeqNoMax int `json:"seq_no.max,string"`
|
|
SeqNoLocalCheckpoint int `json:"seq_no.local_checkpoint,string"`
|
|
SeqNoGlobalCheckpoint int `json:"seq_no.global_checkpoint,string"`
|
|
WarmerCurrent int `json:"warmer.current,string"` // current warmer ops on primaries & replicas
|
|
WarmerTotal int `json:"warmer.total,string"` // total warmer ops on primaries & replicas
|
|
WarmerTotalTime string `json:"warmer.total_time"` // time spent in warmers on primaries & replicas, e.g. "47s"
|
|
PathData string `json:"path.data"`
|
|
PathState string `json:"path.state"`
|
|
}
|
|
|
|
// catShardsResponseRowAliasesMap holds the global map for columns aliases
|
|
// the map is used by CatShardsService.buildURL.
|
|
// For backwards compatibility some fields are able to have the same aliases
|
|
// that means that one alias can be translated to different columns (from different elastic versions)
|
|
// example for understanding: rto -> RefreshTotal, RefreshExternalTotal
|
|
var catShardsResponseRowAliasesMap = map[string]string{
|
|
"sync_id": "sync_id",
|
|
"ur": "unassigned.reason",
|
|
"ua": "unassigned.at",
|
|
"uf": "unassigned.for",
|
|
"ud": "unassigned.details",
|
|
"rs": "recoverysource.type",
|
|
"cs": "completion.size",
|
|
"fm": "fielddata.memory_size",
|
|
"fe": "fielddata.evictions",
|
|
"qcm": "query_cache.memory_size",
|
|
"qce": "query_cache.evictions",
|
|
"ft": "flush.total",
|
|
"ftt": "flush.total_time",
|
|
"gc": "get.current",
|
|
"gti": "get.time",
|
|
"gto": "get.total",
|
|
"geti": "get.exists_time",
|
|
"geto": "get.exists_total",
|
|
"gmti": "get.missing_time",
|
|
"gmto": "get.missing_total",
|
|
"idc": "indexing.delete_current",
|
|
"idti": "indexing.delete_time",
|
|
"idto": "indexing.delete_total",
|
|
"iic": "indexing.index_current",
|
|
"iiti": "indexing.index_time",
|
|
"iito": "indexing.index_total",
|
|
"iif": "indexing.index_failed",
|
|
"mc": "merges.current",
|
|
"mcd": "merges.current_docs",
|
|
"mcs": "merges.current_size",
|
|
"mt": "merges.total",
|
|
"mtd": "merges.total_docs",
|
|
"mts": "merges.total_size",
|
|
"mtt": "merges.total_time",
|
|
"rto": "refresh.total",
|
|
"rti": "refresh.time",
|
|
// "rto": "refresh.external_total",
|
|
// "rti": "refresh.external_time",
|
|
"rli": "refresh.listeners",
|
|
"sfc": "search.fetch_current",
|
|
"sfti": "search.fetch_time",
|
|
"sfto": "search.fetch_total",
|
|
"so": "search.open_contexts",
|
|
"sqc": "search.query_current",
|
|
"sqti": "search.query_time",
|
|
"sqto": "search.query_total",
|
|
"scc": "search.scroll_current",
|
|
"scti": "search.scroll_time",
|
|
"scto": "search.scroll_total",
|
|
"sc": "segments.count",
|
|
"sm": "segments.memory",
|
|
"siwm": "segments.index_writer_memory",
|
|
"svmm": "segments.version_map_memory",
|
|
"sfbm": "segments.fixed_bitset_memory",
|
|
"sqm": "seq_no.max",
|
|
"sql": "seq_no.local_checkpoint",
|
|
"sqg": "seq_no.global_checkpoint",
|
|
"wc": "warmer.current",
|
|
"wto": "warmer.total",
|
|
"wtt": "warmer.total_time",
|
|
}
|
|
|