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Compile regexp once in zookeeper input (#5969)

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This commit is contained in:
Oleg Kovalov
2019-06-07 21:25:55 +02:00
committed by Daniel Nelson
parent d31f1735d9
commit eeb036911f
1 changed files with 3 additions and 3 deletions
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6
plugins/inputs/zookeeper/zookeeper.go
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@@ -17,6 +17,8 @@ import (
"github.com/influxdata/telegraf/plugins/inputs"
)
var zookeeperFormatRE = regexp.MustCompile(`^zk_(\w+)\s+([\w\.\-]+)`)
// Zookeeper is a zookeeper plugin
type Zookeeper struct {
Servers []string
@@ -136,9 +138,7 @@ func (z *Zookeeper) gatherServer(ctx context.Context, address string, acc telegr
fields := make(map[string]interface{})
for scanner.Scan() {
line := scanner.Text()
re := regexp.MustCompile(`^zk_(\w+)\s+([\w\.\-]+)`)
parts := re.FindStringSubmatch(string(line))
parts := zookeeperFormatRE.FindStringSubmatch(string(line))
if len(parts) != 3 {
return fmt.Errorf("unexpected line in mntr response: %q", line)