mirror of
https://github.com/VictoriaMetrics/VictoriaMetrics.git
synced 2024-11-21 14:44:00 +00:00
65 lines
2.1 KiB
Go
65 lines
2.1 KiB
Go
package http
|
|
|
|
import (
|
|
"flag"
|
|
"fmt"
|
|
"time"
|
|
|
|
"github.com/VictoriaMetrics/VictoriaMetrics/lib/promauth"
|
|
"github.com/VictoriaMetrics/VictoriaMetrics/lib/promutils"
|
|
"github.com/VictoriaMetrics/VictoriaMetrics/lib/proxy"
|
|
)
|
|
|
|
// SDCheckInterval defines interval for targets refresh.
|
|
var SDCheckInterval = flag.Duration("promscrape.httpSDCheckInterval", time.Minute, "Interval for checking for changes in http endpoint service discovery. "+
|
|
"This works only if http_sd_configs is configured in '-promscrape.config' file. "+
|
|
"See https://docs.victoriametrics.com/sd_configs/#http_sd_configs for details")
|
|
|
|
// SDConfig represents service discovery config for http.
|
|
//
|
|
// See https://prometheus.io/docs/prometheus/latest/configuration/configuration/#http_sd_config
|
|
type SDConfig struct {
|
|
URL string `yaml:"url"`
|
|
HTTPClientConfig promauth.HTTPClientConfig `yaml:",inline"`
|
|
ProxyURL *proxy.URL `yaml:"proxy_url,omitempty"`
|
|
ProxyClientConfig promauth.ProxyClientConfig `yaml:",inline"`
|
|
}
|
|
|
|
// GetLabels returns http service discovery labels according to sdc.
|
|
func (sdc *SDConfig) GetLabels(baseDir string) ([]*promutils.Labels, error) {
|
|
cfg, err := getAPIConfig(sdc, baseDir)
|
|
if err != nil {
|
|
return nil, fmt.Errorf("cannot get API config: %w", err)
|
|
}
|
|
hts, err := getHTTPTargets(cfg)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
return addHTTPTargetLabels(hts, sdc.URL), nil
|
|
}
|
|
|
|
func addHTTPTargetLabels(src []httpGroupTarget, sourceURL string) []*promutils.Labels {
|
|
ms := make([]*promutils.Labels, 0, len(src))
|
|
for _, targetGroup := range src {
|
|
labels := targetGroup.Labels
|
|
for _, target := range targetGroup.Targets {
|
|
m := promutils.NewLabels(2 + labels.Len())
|
|
m.AddFrom(labels)
|
|
m.Add("__address__", target)
|
|
m.Add("__meta_url", sourceURL)
|
|
// Remove possible duplicate labels, which can appear after AddFrom() call
|
|
m.RemoveDuplicates()
|
|
ms = append(ms, m)
|
|
}
|
|
}
|
|
return ms
|
|
}
|
|
|
|
// MustStop stops further usage for sdc.
|
|
func (sdc *SDConfig) MustStop() {
|
|
v := configMap.Delete(sdc)
|
|
if v != nil {
|
|
cfg := v.(*apiConfig)
|
|
cfg.client.Stop()
|
|
}
|
|
}
|