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fix: return error when requested interface has no stats available (#17666)

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drivebyer 2023-07-17 16:14:01 +08:00 committed by GitHub
parent d118031ed6
commit 9b5c2c386a
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 7 additions and 1 deletions
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8
internal/net/net.go
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@ -18,6 +18,8 @@
package net package net
import ( import (
"fmt"
"github.com/prometheus/procfs" "github.com/prometheus/procfs"
) )
@ -31,5 +33,9 @@ func GetInterfaceNetStats(interf string) (procfs.NetDevLine, error) {
if err != nil { if err != nil {
return procfs.NetDevLine{}, err return procfs.NetDevLine{}, err
} }
return netDev[interf], nil ndl, ok := netDev[interf]
if !ok {
return procfs.NetDevLine{}, fmt.Errorf("%v interface not found", interf)
}
return ndl, nil
} }