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telegraf/plugins/inputs/kube_inventory/service.go

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package kube_inventory
import (
"context"
corev1 "k8s.io/api/core/v1"
"github.com/influxdata/telegraf"
)
func collectServices(ctx context.Context, acc telegraf.Accumulator, ki *KubernetesInventory) {
list, err := ki.client.getServices(ctx)
if err != nil {
acc.AddError(err)
return
}
for i := range list.Items {
ki.gatherService(&list.Items[i], acc)
}
}
func (ki *KubernetesInventory) gatherService(s *corev1.Service, acc telegraf.Accumulator) {
creationTS := s.GetCreationTimestamp()
if creationTS.IsZero() {
return
}
fields := map[string]interface{}{
"created": s.GetCreationTimestamp().UnixNano(),
"generation": s.Generation,
}
tags := map[string]string{
"service_name": s.Name,
"namespace": s.Namespace,
}
for key, val := range s.Spec.Selector {
if ki.selectorFilter.Match(key) {
tags["selector_"+key] = val
}
}
var getPorts = func() {
for _, port := range s.Spec.Ports {
fields["port"] = port.Port
fields["target_port"] = port.TargetPort.IntVal
tags["port_name"] = port.Name
tags["port_protocol"] = string(port.Protocol)
if s.Spec.Type == "ExternalName" {
tags["external_name"] = s.Spec.ExternalName
} else {
tags["cluster_ip"] = s.Spec.ClusterIP
}
acc.AddFields(serviceMeasurement, fields, tags)
}
}
if externIPs := s.Spec.ExternalIPs; externIPs != nil {
for _, ip := range externIPs {
tags["ip"] = ip
getPorts()
}
} else {
getPorts()
}
}