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fix: honor klog -stderrthreshold even when -logtostderr is true #168

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fix: honor klog -stderrthreshold even when -logtostderr is true #168

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5 changes: 5 additions & 0 deletions cmd/addon-manager/main.go
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Original file line number Diff line number Diff line change
Expand Up @@ -47,6 +47,11 @@ func main() {
logger := klogr.New()
klog.SetOutput(os.Stdout)
klog.InitFlags(flag.CommandLine)
// Opt into the new klog behavior so that -stderrthreshold is honored even
// when -logtostderr=true (the default).
// Ref: kubernetes/klog#212, kubernetes/klog#432
flag.CommandLine.Set("legacy_stderr_threshold_behavior", "false") //nolint:errcheck
flag.CommandLine.Set("stderrthreshold", "INFO") //nolint:errcheck
flag.StringVar(&metricsAddr, "metrics-bind-address", ":48080", "The address the metric endpoint binds to.")
flag.StringVar(&probeAddr, "health-probe-bind-address", ":48081", "The address the probe endpoint binds to.")
flag.BoolVar(&enableLeaderElection, "leader-elect", false,
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2 changes: 1 addition & 1 deletion go.mod
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Expand Up @@ -18,7 +18,7 @@ require (
k8s.io/client-go v0.31.10
k8s.io/component-base v0.31.10
k8s.io/klog v1.0.0
k8s.io/klog/v2 v2.130.1
k8s.io/klog/v2 v2.140.0
k8s.io/kube-aggregator v0.31.10
k8s.io/kube-openapi v0.0.0-20250610211856-8b98d1ed966a
k8s.io/utils v0.0.0-20250604170112-4c0f3b243397
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4 changes: 2 additions & 2 deletions go.sum
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Expand Up @@ -309,8 +309,8 @@ k8s.io/component-base v0.31.10 h1:8daIQBYMhcnuXMD1otGkjpx4d4b0UIcg18xieLTAGA0=
k8s.io/component-base v0.31.10/go.mod h1:qoSFFg2SO854XgeCJwFL/LPY/oJU1vqJHhNCEgI6xhA=
k8s.io/klog v1.0.0 h1:Pt+yjF5aB1xDSVbau4VsWe+dQNzA0qv1LlXdC2dF6Q8=
k8s.io/klog v1.0.0/go.mod h1:4Bi6QPql/J/LkTDqv7R/cd3hPo4k2DG6Ptcz060Ez5I=
k8s.io/klog/v2 v2.130.1 h1:n9Xl7H1Xvksem4KFG4PYbdQCQxqc/tTUyrgXaOhHSzk=
k8s.io/klog/v2 v2.130.1/go.mod h1:3Jpz1GvMt720eyJH1ckRHK1EDfpxISzJ7I9OYgaDtPE=
k8s.io/klog/v2 v2.140.0 h1:Tf+J3AH7xnUzZyVVXhTgGhEKnFqye14aadWv7bzXdzc=
k8s.io/klog/v2 v2.140.0/go.mod h1:o+/RWfJ6PwpnFn7OyAG3QnO47BFsymfEfrz6XyYSSp0=
k8s.io/kms v0.31.10 h1:jD/+hMQ8WT4ht419sXNs1u4dqeJidG34rFcnb2nP6CM=
k8s.io/kms v0.31.10/go.mod h1:OZKwl1fan3n3N5FFxnW5C4V3ygrah/3YXeJWS3O6+94=
k8s.io/kube-aggregator v0.31.10 h1:NeqnNYGEpJx8NTN56q48vR1XFyLG/8Rif/5iazNSTwE=
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5 changes: 5 additions & 0 deletions pkg/config/args_log.go
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Expand Up @@ -27,5 +27,10 @@ import (
func AddLogFlags(set *pflag.FlagSet) {
fs := flag.NewFlagSet("", 0)
klog.InitFlags(fs)
// Opt into the new klog behavior so that -stderrthreshold is honored even
// when -logtostderr=true (the default).
// Ref: kubernetes/klog#212, kubernetes/klog#432
_ = fs.Set("legacy_stderr_threshold_behavior", "false")
_ = fs.Set("stderrthreshold", "INFO")
set.AddGoFlagSet(fs)
}
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