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xpack_watcher_stats.go
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xpack_watcher_stats.go
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// Copyright 2012-2018 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"
"encoding/json"
"fmt"
"net/url"
)
// XPackWatcherStatsService returns the current watcher metrics.
// See https://www.elastic.co/guide/en/elasticsearch/reference/6.8/watcher-api-stats.html.
type XPackWatcherStatsService struct {
client *Client
pretty bool
metric string
emitStacktraces *bool
}
// NewXPackWatcherStatsService creates a new XPackWatcherStatsService.
func NewXPackWatcherStatsService(client *Client) *XPackWatcherStatsService {
return &XPackWatcherStatsService{
client: client,
}
}
// Metric controls what additional stat metrics should be include in the response.
func (s *XPackWatcherStatsService) Metric(metric string) *XPackWatcherStatsService {
s.metric = metric
return s
}
// EmitStacktraces, if enabled, emits stack traces of currently running watches.
func (s *XPackWatcherStatsService) EmitStacktraces(emitStacktraces bool) *XPackWatcherStatsService {
s.emitStacktraces = &emitStacktraces
return s
}
// Pretty indicates that the JSON response be indented and human readable.
func (s *XPackWatcherStatsService) Pretty(pretty bool) *XPackWatcherStatsService {
s.pretty = pretty
return s
}
// buildURL builds the URL for the operation.
func (s *XPackWatcherStatsService) buildURL() (string, url.Values, error) {
// Build URL
path := "/_xpack/watcher/stats"
// Add query string parameters
params := url.Values{}
if s.pretty {
params.Set("pretty", "true")
}
if s.emitStacktraces != nil {
params.Set("emit_stacktraces", fmt.Sprintf("%v", *s.emitStacktraces))
}
if s.metric != "" {
params.Set("metric", s.metric)
}
return path, params, nil
}
// Validate checks if the operation is valid.
func (s *XPackWatcherStatsService) Validate() error {
return nil
}
// Do executes the operation.
func (s *XPackWatcherStatsService) Do(ctx context.Context) (*XPackWatcherStatsResponse, 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(XPackWatcherStatsResponse)
if err := json.Unmarshal(res.Body, ret); err != nil {
return nil, err
}
return ret, nil
}
// XPackWatcherStatsResponse is the response of XPackWatcherStatsService.Do.
type XPackWatcherStatsResponse struct {
Stats []XPackWatcherStats `json:"stats"`
}
// XPackWatcherStats represents the stats used in XPackWatcherStatsResponse.
type XPackWatcherStats struct {
WatcherState string `json:"watcher_state"`
WatchCount int `json:"watch_count"`
ExecutionThreadPool map[string]interface{} `json:"execution_thread_pool"`
}