Add support for glob patterns in net input plugin (#3140)

This commit is contained in:
Bob Shannon 2017-11-29 15:16:34 -05:00 committed by Daniel Nelson
parent ca76242e3e
commit dd8157ec68
2 changed files with 15 additions and 8 deletions

View File

@ -9,9 +9,11 @@ This plugin gathers metrics about network interface and protocol usage (Linux on
[[inputs.net]]
## By default, telegraf gathers stats from any up interface (excluding loopback)
## Setting interfaces will tell it to gather these explicit interfaces,
## regardless of status.
## regardless of status. When specifying an interface, glob-style
## patterns are also supported.
##
# interfaces = ["eth*", "enp0s[0-1]", "lo"]
##
# interfaces = ["eth0"]
```
### Measurements & Fields:

View File

@ -6,11 +6,13 @@ import (
"strings"
"github.com/influxdata/telegraf"
"github.com/influxdata/telegraf/filter"
"github.com/influxdata/telegraf/plugins/inputs"
)
type NetIOStats struct {
ps PS
filter filter.Filter
ps PS
skipChecks bool
Interfaces []string
@ -38,15 +40,18 @@ func (s *NetIOStats) Gather(acc telegraf.Accumulator) error {
return fmt.Errorf("error getting net io info: %s", err)
}
if s.filter == nil {
if s.filter, err = filter.Compile(s.Interfaces); err != nil {
return fmt.Errorf("error compiling filter: %s", err)
}
}
for _, io := range netio {
if len(s.Interfaces) != 0 {
var found bool
for _, name := range s.Interfaces {
if name == io.Name {
found = true
break
}
if s.filter.Match(io.Name) {
found = true
}
if !found {