VictoriaMetrics/lib/promscrape/discovery/kubernetes/kubernetes.go

59 lines
2 KiB
Go

package kubernetes
import (
"fmt"
"github.com/VictoriaMetrics/VictoriaMetrics/lib/promauth"
"github.com/VictoriaMetrics/VictoriaMetrics/lib/proxy"
)
// SDConfig represents kubernetes-based service discovery config.
//
// See https://prometheus.io/docs/prometheus/latest/configuration/configuration/#kubernetes_sd_config
type SDConfig struct {
APIServer string `yaml:"api_server,omitempty"`
Role string `yaml:"role"`
HTTPClientConfig promauth.HTTPClientConfig `yaml:",inline"`
ProxyURL proxy.URL `yaml:"proxy_url,omitempty"`
Namespaces Namespaces `yaml:"namespaces,omitempty"`
Selectors []Selector `yaml:"selectors,omitempty"`
}
// Namespaces represents namespaces for SDConfig
type Namespaces struct {
Names []string `yaml:"names"`
}
// Selector represents kubernetes selector.
//
// See https://kubernetes.io/docs/concepts/overview/working-with-objects/field-selectors/
// and https://kubernetes.io/docs/concepts/overview/working-with-objects/labels/
type Selector struct {
Role string `yaml:"role"`
Label string `yaml:"label"`
Field string `yaml:"field"`
}
// ScrapeWorkConstructorFunc must construct ScrapeWork object for the given metaLabels.
type ScrapeWorkConstructorFunc func(metaLabels map[string]string) interface{}
// GetScrapeWorkObjects returns ScrapeWork objects for the given sdc and baseDir.
//
// swcFunc is used for constructing such objects.
func (sdc *SDConfig) GetScrapeWorkObjects(baseDir string, swcFunc ScrapeWorkConstructorFunc) ([]interface{}, error) {
cfg, err := getAPIConfig(sdc, baseDir, swcFunc)
if err != nil {
return nil, fmt.Errorf("cannot create API config: %w", err)
}
return cfg.aw.getScrapeWorkObjects(), nil
}
// MustStop stops further usage for sdc.
func (sdc *SDConfig) MustStop() {
v := configMap.Delete(sdc)
if v != nil {
// v can be nil if GetLabels wasn't called yet.
cfg := v.(*apiConfig)
cfg.mustStop()
}
}