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net.go
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net.go
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//go:generate ../../../tools/readme_config_includer/generator
package net
import (
_ "embed"
"fmt"
"net"
"strings"
"github.com/influxdata/telegraf"
"github.com/influxdata/telegraf/filter"
"github.com/influxdata/telegraf/models"
"github.com/influxdata/telegraf/plugins/inputs"
"github.com/influxdata/telegraf/plugins/inputs/system"
)
//go:embed sample.conf
var sampleConfig string
type NetIOStats struct {
filter filter.Filter
ps system.PS
skipChecks bool
IgnoreProtocolStats bool
Interfaces []string
}
func (*NetIOStats) SampleConfig() string {
return sampleConfig
}
func (n *NetIOStats) Init() error {
if !n.IgnoreProtocolStats {
models.PrintOptionValueDeprecationNotice(telegraf.Warn, "inputs.net", "ignore_protocol_stats", "false",
telegraf.DeprecationInfo{
Since: "1.27.3",
RemovalIn: "1.36.0",
Notice: "use the 'inputs.nstat' plugin instead",
},
)
}
return nil
}
func (n *NetIOStats) Gather(acc telegraf.Accumulator) error {
netio, err := n.ps.NetIO()
if err != nil {
return fmt.Errorf("error getting net io info: %w", err)
}
if n.filter == nil {
if n.filter, err = filter.Compile(n.Interfaces); err != nil {
return fmt.Errorf("error compiling filter: %w", err)
}
}
interfaces, err := net.Interfaces()
if err != nil {
return fmt.Errorf("error getting list of interfaces: %w", err)
}
interfacesByName := map[string]net.Interface{}
for _, iface := range interfaces {
interfacesByName[iface.Name] = iface
}
for _, io := range netio {
if len(n.Interfaces) != 0 {
var found bool
if n.filter.Match(io.Name) {
found = true
}
if !found {
continue
}
} else if !n.skipChecks {
iface, ok := interfacesByName[io.Name]
if !ok {
continue
}
if iface.Flags&net.FlagLoopback == net.FlagLoopback {
continue
}
if iface.Flags&net.FlagUp == 0 {
continue
}
}
tags := map[string]string{
"interface": io.Name,
}
fields := map[string]interface{}{
"bytes_sent": io.BytesSent,
"bytes_recv": io.BytesRecv,
"packets_sent": io.PacketsSent,
"packets_recv": io.PacketsRecv,
"err_in": io.Errin,
"err_out": io.Errout,
"drop_in": io.Dropin,
"drop_out": io.Dropout,
}
acc.AddCounter("net", fields, tags)
}
// Get system wide stats for different network protocols
// (ignore these stats if the call fails)
if !n.IgnoreProtocolStats {
netprotos, _ := n.ps.NetProto()
fields := make(map[string]interface{})
for _, proto := range netprotos {
for stat, value := range proto.Stats {
name := fmt.Sprintf("%s_%s", strings.ToLower(proto.Protocol),
strings.ToLower(stat))
fields[name] = value
}
}
tags := map[string]string{
"interface": "all",
}
acc.AddFields("net", fields, tags)
}
return nil
}
func init() {
inputs.Add("net", func() telegraf.Input {
return &NetIOStats{ps: system.NewSystemPS()}
})
}