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b9bb64ce55
This simplifies future code navigation and search for the specific meta-label starting from __meta_consulagent_* prefix. For example, `grep __meta_consulagent_namespace` finds the exact place where this label is defined. Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/3953 Updates https://github.com/VictoriaMetrics/VictoriaMetrics/pull/4217
65 lines
2.4 KiB
Go
65 lines
2.4 KiB
Go
package consulagent
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import (
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"fmt"
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"strconv"
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"github.com/VictoriaMetrics/VictoriaMetrics/lib/promscrape/discovery/consul"
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"github.com/VictoriaMetrics/VictoriaMetrics/lib/promscrape/discoveryutils"
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"github.com/VictoriaMetrics/VictoriaMetrics/lib/promutils"
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)
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// getServiceNodesLabels returns labels for Consul service nodes with given cfg.
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func getServiceNodesLabels(cfg *apiConfig) []*promutils.Labels {
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sns := cfg.consulWatcher.getServiceNodesSnapshot()
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var ms []*promutils.Labels
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for svc, sn := range sns {
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for i := range sn {
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ms = appendTargetLabels(sn[i], ms, svc, cfg.tagSeparator, cfg.agent)
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}
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}
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return ms
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}
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func appendTargetLabels(sn consul.ServiceNode, ms []*promutils.Labels, serviceName, tagSeparator string, agent *consul.Agent) []*promutils.Labels {
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var addr string
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// If the service address is not empty it should be used instead of the node address
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// since the service may be registered remotely through a different node.
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if sn.Service.Address != "" {
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addr = discoveryutils.JoinHostPort(sn.Service.Address, sn.Service.Port)
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} else {
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addr = discoveryutils.JoinHostPort(agent.Member.Addr, sn.Service.Port)
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}
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m := promutils.NewLabels(16)
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m.Add("__address__", addr)
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m.Add("__meta_consulagent_address", agent.Member.Addr)
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m.Add("__meta_consulagent_dc", agent.Config.Datacenter)
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m.Add("__meta_consulagent_health", consul.AggregatedStatus(sn.Checks))
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m.Add("__meta_consulagent_namespace", sn.Service.Namespace)
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m.Add("__meta_consulagent_node", agent.Config.NodeName)
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m.Add("__meta_consulagent_service", serviceName)
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m.Add("__meta_consulagent_service_address", sn.Service.Address)
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m.Add("__meta_consulagent_service_id", sn.Service.ID)
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m.Add("__meta_consulagent_service_port", strconv.Itoa(sn.Service.Port))
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discoveryutils.AddTagsToLabels(m, sn.Service.Tags, "__meta_consulagent_", tagSeparator)
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for k, v := range agent.Meta {
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m.Add(discoveryutils.SanitizeLabelName("__meta_consulagent_metadata_"+k), v)
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}
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for k, v := range sn.Service.Meta {
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m.Add(discoveryutils.SanitizeLabelName("__meta_consulagent_service_metadata_"+k), v)
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}
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for k, v := range sn.Node.TaggedAddresses {
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m.Add(discoveryutils.SanitizeLabelName("__meta_consulagent_tagged_address_"+k), v)
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}
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for k, v := range sn.Service.TaggedAddresses {
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address := fmt.Sprintf("%s:%d", v.Address, v.Port)
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m.Add(discoveryutils.SanitizeLabelName("__meta_consulagent_tagged_address_"+k), address)
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}
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ms = append(ms, m)
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return ms
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}
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