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