Add support for glob patterns in net input plugin (#3140)
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@ -9,9 +9,11 @@ This plugin gathers metrics about network interface and protocol usage (Linux on
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[[inputs.net]]
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## By default, telegraf gathers stats from any up interface (excluding loopback)
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## Setting interfaces will tell it to gather these explicit interfaces,
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## regardless of status.
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## regardless of status. When specifying an interface, glob-style
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## patterns are also supported.
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##
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# interfaces = ["eth*", "enp0s[0-1]", "lo"]
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##
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# interfaces = ["eth0"]
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```
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### Measurements & Fields:
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@ -6,11 +6,13 @@ import (
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"strings"
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"github.com/influxdata/telegraf"
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"github.com/influxdata/telegraf/filter"
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"github.com/influxdata/telegraf/plugins/inputs"
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)
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type NetIOStats struct {
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ps PS
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filter filter.Filter
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ps PS
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skipChecks bool
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Interfaces []string
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@ -38,15 +40,18 @@ func (s *NetIOStats) Gather(acc telegraf.Accumulator) error {
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return fmt.Errorf("error getting net io info: %s", err)
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}
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if s.filter == nil {
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if s.filter, err = filter.Compile(s.Interfaces); err != nil {
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return fmt.Errorf("error compiling filter: %s", err)
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}
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}
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for _, io := range netio {
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if len(s.Interfaces) != 0 {
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var found bool
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for _, name := range s.Interfaces {
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if name == io.Name {
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found = true
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break
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}
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if s.filter.Match(io.Name) {
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found = true
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}
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if !found {
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