scheduler: improve some comments and validation messages

pkg/scheduler/apis/config/types.go

@@ -50,7 +50,7 @@ type KubeSchedulerConfiguration struct {
 	AlgorithmSource SchedulerAlgorithmSource
 	// RequiredDuringScheduling affinity is not symmetric, but there is an implicit PreferredDuringScheduling affinity rule
 	// corresponding to every RequiredDuringScheduling affinity rule.
-	// HardPodAffinitySymmetricWeight represents the weight of implicit PreferredDuringScheduling affinity rule, in the range 0-100.
+	// HardPodAffinitySymmetricWeight represents the weight of implicit PreferredDuringScheduling affinity rule, in the range [0-100].
 	HardPodAffinitySymmetricWeight int32
 
 	// LeaderElection defines the configuration of leader election client.
@@ -94,7 +94,7 @@ type KubeSchedulerConfiguration struct {
 	PodInitialBackoffSeconds *int64
 
 	// PodMaxBackoffSeconds is the max backoff for unschedulable pods.
-	// If specified, it must be greater than podInitialBackoffSeconds. If this value is null,
+	// If specified, it must be greater than or equal to podInitialBackoffSeconds. If this value is null,
 	// the default value (10s) will be used.
 	PodMaxBackoffSeconds *int64
 
@@ -140,7 +140,7 @@ type SchedulerPolicyFileSource struct {
 type SchedulerPolicyConfigMapSource struct {
 	// Namespace is the namespace of the policy config map.
 	Namespace string
-	// Name is the name of hte policy config map.
+	// Name is the name of the policy config map.
 	Name string
 }
 

pkg/scheduler/apis/config/validation/validation.go

@@ -38,14 +38,14 @@ func ValidateKubeSchedulerConfiguration(cc *config.KubeSchedulerConfiguration) f
 		allErrs = append(allErrs, field.Invalid(field.NewPath("metricsBindAddress"), cc.MetricsBindAddress, msg))
 	}
 	if cc.HardPodAffinitySymmetricWeight < 0 || cc.HardPodAffinitySymmetricWeight > 100 {
-		allErrs = append(allErrs, field.Invalid(field.NewPath("hardPodAffinitySymmetricWeight"), cc.HardPodAffinitySymmetricWeight, "not in valid range 0-100"))
+		allErrs = append(allErrs, field.Invalid(field.NewPath("hardPodAffinitySymmetricWeight"), cc.HardPodAffinitySymmetricWeight, "not in valid range [0-100]"))
 	}
 	if cc.BindTimeoutSeconds == nil {
 		allErrs = append(allErrs, field.Required(field.NewPath("bindTimeoutSeconds"), ""))
 	}
 	if cc.PercentageOfNodesToScore < 0 || cc.PercentageOfNodesToScore > 100 {
 		allErrs = append(allErrs, field.Invalid(field.NewPath("percentageOfNodesToScore"),
-			cc.PercentageOfNodesToScore, "not in valid range 0-100"))
+			cc.PercentageOfNodesToScore, "not in valid range [0-100]"))
 	}
 	if cc.PodInitialBackoffSeconds == nil {
 		allErrs = append(allErrs, field.Required(field.NewPath("podInitialBackoffSeconds"), ""))

pkg/scheduler/factory.go

@@ -148,7 +148,7 @@ type Configurator struct {
 
 	// RequiredDuringScheduling affinity is not symmetric, but there is an implicit PreferredDuringScheduling affinity rule
 	// corresponding to every RequiredDuringScheduling affinity rule.
-	// HardPodAffinitySymmetricWeight represents the weight of implicit PreferredDuringScheduling affinity rule, in the range 0-100.
+	// HardPodAffinitySymmetricWeight represents the weight of implicit PreferredDuringScheduling affinity rule, in the range [0-100].
 	hardPodAffinitySymmetricWeight int32
 
 	// Handles volume binding decisions

pkg/scheduler/factory_test.go

@@ -493,12 +493,12 @@ func TestInvalidFactoryArgs(t *testing.T) {
 		{
 			name:                           "symmetric weight below range",
 			hardPodAffinitySymmetricWeight: -1,
-			expectErr:                      "invalid hardPodAffinitySymmetricWeight: -1, must be in the range 0-100",
+			expectErr:                      "invalid hardPodAffinitySymmetricWeight: -1, must be in the range [0-100]",
 		},
 		{
 			name:                           "symmetric weight above range",
 			hardPodAffinitySymmetricWeight: 101,
-			expectErr:                      "invalid hardPodAffinitySymmetricWeight: 101, must be in the range 0-100",
+			expectErr:                      "invalid hardPodAffinitySymmetricWeight: 101, must be in the range [0-100]",
 		},
 	}
 

pkg/scheduler/framework/plugins/examples/multipoint/multipoint.go

@@ -31,7 +31,7 @@ type CommunicatingPlugin struct{}
 var _ framework.ReservePlugin = CommunicatingPlugin{}
 var _ framework.PreBindPlugin = CommunicatingPlugin{}
 
-// Name is the name of the plug used in Registry and configurations.
+// Name is the name of the plugin used in Registry and configurations.
 const Name = "multipoint-communicating-plugin"
 
 // Name returns name of the plugin. It is used in logs, etc.
@@ -43,9 +43,9 @@ type stateData struct {
 	data string
 }
 
-func (f *stateData) Clone() framework.StateData {
+func (s *stateData) Clone() framework.StateData {
 	copy := &stateData{
-		data: f.data,
+		data: s.data,
 	}
 	return copy
 }