Structured logging behaviour changed from v2.0.0 to v2.1.0 #165
Description
/kind bug
Structured logging using levelled V function changed.
What steps did you take and what happened:
Create test program
$ go mod init klogtest
package main
import (
"k8s.io/klog/v2"
)
func main() {
klog.InitFlags(nil)
klog.InfoS("Hello1", "msg", "without V")
klog.V(0).InfoS("Hello2", "msg", "message with V(0)")
}Output:
$ grep klog go.mod
k8s.io/klog/v2 v2.1.0
$ go run .
I0614 15:19:37.239517 118778 main.go:9] "Hello1" msg="without V"
I0614 15:19:37.239593 118778 main.go:10] "Hello2" [msg message with V(0)]="(MISSING)"
What did you expect to happen:
Change the version back to v2.0.0 in the go.mod file and run again:
$ grep klog go.mod
k8s.io/klog/v2 v2.0.0
$ go run .
I0614 15:19:45.638733 118902 main.go:9] "Hello1" msg="without V"
I0614 15:19:45.638838 118902 main.go:10] "Hello2" msg="message with V(0)"