add deprecated flag for flush pods to activeq interval

cmd/kube-scheduler/app/config/config.go

@@ -17,6 +17,8 @@ limitations under the License.
 package config
 
 import (
+	"time"
+
 	apiserver "k8s.io/apiserver/pkg/server"
 	"k8s.io/client-go/dynamic/dynamicinformer"
 	"k8s.io/client-go/informers"
@@ -49,6 +51,12 @@ type Config struct {
 
 	// LeaderElection is optional.
 	LeaderElection *leaderelection.LeaderElectionConfig
+
+	// PodMaxUnschedulableQDuration is the maximum time a pod can stay in
+	// unschedulableQ. If a pod stays in unschedulableQ for longer than this
+	// value, the pod will be moved from unschedulableQ to backoffQ or activeQ.
+	// If this value is empty, the default value (60s) will be used.
+	PodMaxUnschedulableQDuration time.Duration
 }
 
 type completedConfig struct {

cmd/kube-scheduler/app/options/deprecated.go

@@ -17,6 +17,8 @@ limitations under the License.
 package options
 
 import (
+	"time"
+
 	"github.com/spf13/pflag"
 	componentbaseconfig "k8s.io/component-base/config"
 )
@@ -28,6 +30,11 @@ type DeprecatedOptions struct {
 	componentbaseconfig.ClientConnectionConfiguration
 	// Note that only the deprecated options (lock-object-name and lock-object-namespace) are populated here.
 	componentbaseconfig.LeaderElectionConfiguration
+	// PodMaxUnschedulableQDuration is the maximum time a pod can stay in
+	// unschedulableQ. If a pod stays in unschedulableQ for longer than this
+	// value, the pod will be moved from unschedulableQ to backoffQ or activeQ.
+	// If this value is empty, the default value (60s) will be used.
+	PodMaxUnschedulableQDuration time.Duration
 }
 
 // AddFlags adds flags for the deprecated options.
@@ -44,4 +51,5 @@ func (o *DeprecatedOptions) AddFlags(fs *pflag.FlagSet) {
 	fs.Int32Var(&o.Burst, "kube-api-burst", 100, "DEPRECATED: burst to use while talking with kubernetes apiserver. This parameter is ignored if a config file is specified in --config.")
 	fs.StringVar(&o.ResourceNamespace, "lock-object-namespace", "kube-system", "DEPRECATED: define the namespace of the lock object. Will be removed in favor of leader-elect-resource-namespace. This parameter is ignored if a config file is specified in --config.")
 	fs.StringVar(&o.ResourceName, "lock-object-name", "kube-scheduler", "DEPRECATED: define the name of the lock object. Will be removed in favor of leader-elect-resource-name. This parameter is ignored if a config file is specified in --config.")
+	fs.DurationVar(&o.PodMaxUnschedulableQDuration, "pod-max-unschedulableq-duration", 60*time.Second, "DEPRECATED: the maximum time a pod can stay in unschedulableQ. If a pod stays in unschedulableQ for longer than this value, the pod will be moved from unschedulableQ to backoffQ or activeQ. This flag is deprecated and will be removed in 1.26")
 }

cmd/kube-scheduler/app/options/options.go

@@ -79,7 +79,9 @@ func NewOptions() *Options {
 		SecureServing:  apiserveroptions.NewSecureServingOptions().WithLoopback(),
 		Authentication: apiserveroptions.NewDelegatingAuthenticationOptions(),
 		Authorization:  apiserveroptions.NewDelegatingAuthorizationOptions(),
-		Deprecated:     &DeprecatedOptions{},
+		Deprecated: &DeprecatedOptions{
+			PodMaxUnschedulableQDuration: 60 * time.Second,
+		},
 		LeaderElection: &componentbaseconfig.LeaderElectionConfiguration{
 			LeaderElect:       true,
 			LeaseDuration:     metav1.Duration{Duration: 15 * time.Second},
@@ -231,6 +233,12 @@ func (o *Options) ApplyTo(c *schedulerappconfig.Config) error {
 		}
 	}
 	o.Metrics.Apply()
+
+	// Apply value independently instead of using ApplyDeprecated() because it can't be configured via ComponentConfig.
+	if o.Deprecated != nil {
+		c.PodMaxUnschedulableQDuration = o.Deprecated.PodMaxUnschedulableQDuration
+	}
+
 	return nil
 }
 

cmd/kube-scheduler/app/server.go

@@ -328,6 +328,7 @@ func Setup(ctx context.Context, opts *options.Options, outOfTreeRegistryOptions
 		scheduler.WithFrameworkOutOfTreeRegistry(outOfTreeRegistry),
 		scheduler.WithPodMaxBackoffSeconds(cc.ComponentConfig.PodMaxBackoffSeconds),
 		scheduler.WithPodInitialBackoffSeconds(cc.ComponentConfig.PodInitialBackoffSeconds),
+		scheduler.WithPodMaxUnschedulableQDuration(cc.PodMaxUnschedulableQDuration),
 		scheduler.WithExtenders(cc.ComponentConfig.Extenders...),
 		scheduler.WithParallelism(cc.ComponentConfig.Parallelism),
 		scheduler.WithBuildFrameworkCapturer(func(profile kubeschedulerconfig.KubeSchedulerProfile) {