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Add show-hidden-metrics-for-version to scheduler

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This commit is contained in:
Marek Siarkowicz 2019-11-07 12:16:28 +01:00
parent 7fe64ccb82
commit 8b825d1511
2 changed files with 17 additions and 0 deletions
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1
cmd/kube-scheduler/app/options/BUILD
View File

@ -42,6 +42,7 @@ go_library(
"//staging/src/k8s.io/component-base/cli/flag:go_default_library",
"//staging/src/k8s.io/component-base/codec:go_default_library",
"//staging/src/k8s.io/component-base/config:go_default_library",
"//staging/src/k8s.io/component-base/metrics:go_default_library",
"//staging/src/k8s.io/kube-scheduler/config/v1alpha2:go_default_library",
"//vendor/github.com/spf13/pflag:go_default_library",
"//vendor/k8s.io/klog:go_default_library",

16
cmd/kube-scheduler/app/options/options.go
View File

@ -39,6 +39,7 @@ import (
"k8s.io/client-go/tools/record"
cliflag "k8s.io/component-base/cli/flag"
componentbaseconfig "k8s.io/component-base/config"
"k8s.io/component-base/metrics"
"k8s.io/klog"
kubeschedulerconfigv1alpha2 "k8s.io/kube-scheduler/config/v1alpha2"
schedulerappconfig "k8s.io/kubernetes/cmd/kube-scheduler/app/config"
@ -68,6 +69,8 @@ type Options struct {
WriteConfigTo string
Master string
ShowHiddenMetricsForVersion string
}
// NewOptions returns default scheduler app options.
@ -154,6 +157,15 @@ func (o *Options) Flags() (nfs cliflag.NamedFlagSets) {
leaderelectionconfig.BindFlags(&o.ComponentConfig.LeaderElection.LeaderElectionConfiguration, nfs.FlagSet("leader election"))
utilfeature.DefaultMutableFeatureGate.AddFlag(nfs.FlagSet("feature gate"))
// TODO(RainbowMango): move it to genericoptions before next flag comes.
mfs := nfs.FlagSet("metrics")
mfs.StringVar(&o.ShowHiddenMetricsForVersion, "show-hidden-metrics-for-version", o.ShowHiddenMetricsForVersion,
"The previous version for which you want to show hidden metrics. "+
"Only the previous minor version is meaningful, other values will not be allowed. "+
"Accepted format of version is <major>.<minor>, e.g.: '1.16'. "+
"The purpose of this format is make sure you have the opportunity to notice if the next release hides additional metrics, "+
"rather than being surprised when they are permanently removed in the release after that.")
return nfs
}
@ -199,6 +211,9 @@ func (o *Options) ApplyTo(c *schedulerappconfig.Config) error {
return err
}
}
if len(o.ShowHiddenMetricsForVersion) > 0 {
metrics.SetShowHidden()
}
return nil
}
@ -215,6 +230,7 @@ func (o *Options) Validate() []error {
errs = append(errs, o.Authentication.Validate()...)
errs = append(errs, o.Authorization.Validate()...)
errs = append(errs, o.Deprecated.Validate()...)
errs = append(errs, metrics.ValidateShowHiddenMetricsVersion(o.ShowHiddenMetricsForVersion)...)
return errs
}