VictoriaMetrics/lib/promscrape/discovery/dockerswarm/network.go
Zakhar Bessarab 8537533beb
lib/promscrape/discovery/dockerswarm: fix discovery filters being applied to all objects (#3632)
* lib/promscrape/discovery/dockerswarm: fix discovery filters being applied to all objects

Signed-off-by: Zakhar Bessarab <z.bessarab@victoriametrics.com>

* Update docs/CHANGELOG.md

Signed-off-by: Zakhar Bessarab <z.bessarab@victoriametrics.com>
Co-authored-by: Aliaksandr Valialkin <valyala@victoriametrics.com>
2023-01-11 22:50:34 -08:00

61 lines
1.7 KiB
Go

package dockerswarm
import (
"encoding/json"
"fmt"
"strconv"
"github.com/VictoriaMetrics/VictoriaMetrics/lib/promscrape/discoveryutils"
"github.com/VictoriaMetrics/VictoriaMetrics/lib/promutils"
)
// See https://docs.docker.com/engine/api/v1.40/#tag/Network
type network struct {
ID string
Name string
Scope string
Internal bool
Ingress bool
Labels map[string]string
}
func getNetworksLabelsByNetworkID(cfg *apiConfig) (map[string]*promutils.Labels, error) {
networks, err := getNetworks(cfg)
if err != nil {
return nil, err
}
return getNetworkLabelsByNetworkID(networks), nil
}
func getNetworks(cfg *apiConfig) ([]network, error) {
resp, err := cfg.getAPIResponse("/networks", "")
if err != nil {
return nil, fmt.Errorf("cannot query dockerswarm api for networks: %w", err)
}
return parseNetworks(resp)
}
func parseNetworks(data []byte) ([]network, error) {
var networks []network
if err := json.Unmarshal(data, &networks); err != nil {
return nil, fmt.Errorf("cannot parse networks: %w", err)
}
return networks, nil
}
func getNetworkLabelsByNetworkID(networks []network) map[string]*promutils.Labels {
ms := make(map[string]*promutils.Labels)
for _, network := range networks {
m := promutils.NewLabels(8)
m.Add("__meta_dockerswarm_network_id", network.ID)
m.Add("__meta_dockerswarm_network_name", network.Name)
m.Add("__meta_dockerswarm_network_internal", strconv.FormatBool(network.Internal))
m.Add("__meta_dockerswarm_network_ingress", strconv.FormatBool(network.Ingress))
m.Add("__meta_dockerswarm_network_scope", network.Scope)
for k, v := range network.Labels {
m.Add(discoveryutils.SanitizeLabelName("__meta_dockerswarm_network_label_"+k), v)
}
ms[network.ID] = m
}
return ms
}