autoscaling

package
v1.30.3 Latest Latest
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 Go to latest Published: Jul 16, 2024 License: Apache-2.0 Imports: 31 Imported by: 3

Documentation

Index

Constants

This section is empty.

Variables

View Source 
var (
	// KindRC is the GVK for ReplicationController
	KindRC = schema.GroupVersionKind{Version: "v1", Kind: "ReplicationController"}
	// KindDeployment is the GVK for Deployment
	KindDeployment = schema.GroupVersionKind{Group: "apps", Version: "v1beta2", Kind: "Deployment"}
	// KindReplicaSet is the GVK for ReplicaSet
	KindReplicaSet = schema.GroupVersionKind{Group: "apps", Version: "v1beta2", Kind: "ReplicaSet"}
	// KindCRD is the GVK for CRD for test purposes
	KindCRD = schema.GroupVersionKind{Group: crdGroup, Version: crdVersion, Kind: crdKind}
)

Functions

func CreateCPUHorizontalPodAutoscalerWithBehavior added in v1.24.0 

func CreateCPUHorizontalPodAutoscalerWithBehavior(ctx context.Context, rc *ResourceConsumer, cpu int32, minReplicas int32, maxRepl int32, behavior *autoscalingv2.HorizontalPodAutoscalerBehavior) *autoscalingv2.HorizontalPodAutoscaler

func CreateCPUResourceHorizontalPodAutoscaler added in v1.26.0 

func CreateCPUResourceHorizontalPodAutoscaler(ctx context.Context, rc *ResourceConsumer, cpu, minReplicas, maxReplicas int32) *autoscalingv2.HorizontalPodAutoscaler

func CreateContainerResourceHorizontalPodAutoscaler added in v1.26.0 

func CreateContainerResourceHorizontalPodAutoscaler(ctx context.Context, rc *ResourceConsumer, resourceType v1.ResourceName, metricTargetType autoscalingv2.MetricTargetType, metricTargetValue, minReplicas, maxReplicas int32) *autoscalingv2.HorizontalPodAutoscaler

func CreateCustomResourceDefinition added in v1.26.0 

func CreateCustomResourceDefinition(ctx context.Context, c crdclientset.Interface) *apiextensionsv1.CustomResourceDefinition

func CreateCustomSubresourceInstance added in v1.26.0 

func CreateCustomSubresourceInstance(ctx context.Context, namespace, name string, client dynamic.ResourceInterface, definition *apiextensionsv1.CustomResourceDefinition) (*unstructured.Unstructured, error)

func CreateHorizontalPodAutoscaler added in v1.26.0 

func CreateHorizontalPodAutoscaler(ctx context.Context, rc *ResourceConsumer, targetRef autoscalingv2.CrossVersionObjectReference, namespace string, metrics []autoscalingv2.MetricSpec, resourceType v1.ResourceName, metricTargetType autoscalingv2.MetricTargetType, metricTargetValue, minReplicas, maxReplicas int32) *autoscalingv2.HorizontalPodAutoscaler

func CreateMetricTargetWithType added in v1.26.0 

func CreateMetricTargetWithType(resourceType v1.ResourceName, targetType autoscalingv2.MetricTargetType, targetValue int32) autoscalingv2.MetricTarget

func CreateResourceHorizontalPodAutoscaler added in v1.26.0 

func CreateResourceHorizontalPodAutoscaler(ctx context.Context, rc *ResourceConsumer, resourceType v1.ResourceName, metricTargetType autoscalingv2.MetricTargetType, metricTargetValue, minReplicas, maxReplicas int32) *autoscalingv2.HorizontalPodAutoscaler

func DeleteContainerResourceHPA added in v1.23.0 

func DeleteContainerResourceHPA(ctx context.Context, rc *ResourceConsumer, autoscalerName string)

DeleteContainerResourceHPA delete the horizontalPodAutoscaler for consuming resources.

func DeleteHPAWithBehavior added in v1.24.0 

func DeleteHPAWithBehavior(ctx context.Context, rc *ResourceConsumer, autoscalerName string)

func DeleteHorizontalPodAutoscaler 

func DeleteHorizontalPodAutoscaler(ctx context.Context, rc *ResourceConsumer, autoscalerName string)

DeleteHorizontalPodAutoscaler delete the horizontalPodAutoscaler for consuming resources.

func HPABehaviorWithScaleDisabled added in v1.25.0 

func HPABehaviorWithScaleDisabled(scalingDirection ScalingDirection) *autoscalingv2.HorizontalPodAutoscalerBehavior

func HPABehaviorWithScaleLimitedByNumberOfPods added in v1.25.0 

func HPABehaviorWithScaleLimitedByNumberOfPods(scalingDirection ScalingDirection, numberOfPods, periodSeconds int32) *autoscalingv2.HorizontalPodAutoscalerBehavior

func HPABehaviorWithScaleLimitedByPercentage added in v1.25.0 

func HPABehaviorWithScaleLimitedByPercentage(scalingDirection ScalingDirection, percentage, periodSeconds int32) *autoscalingv2.HorizontalPodAutoscalerBehavior

func HPABehaviorWithScaleUpAndDownRules added in v1.25.0 

func HPABehaviorWithScaleUpAndDownRules(scaleUpRule, scaleDownRule *autoscalingv2.HPAScalingRules) *autoscalingv2.HorizontalPodAutoscalerBehavior

func HPABehaviorWithScalingRuleInDirection added in v1.25.0 

func HPABehaviorWithScalingRuleInDirection(scalingDirection ScalingDirection, rule *autoscalingv2.HPAScalingRules) *autoscalingv2.HorizontalPodAutoscalerBehavior

func HPABehaviorWithStabilizationWindows added in v1.25.0 

func HPABehaviorWithStabilizationWindows(upscaleStabilization, downscaleStabilization time.Duration) *autoscalingv2.HorizontalPodAutoscalerBehavior

func HPAScalingRuleWithPolicyDisabled added in v1.25.0 

func HPAScalingRuleWithPolicyDisabled() *autoscalingv2.HPAScalingRules

func HPAScalingRuleWithScalingPolicy added in v1.25.0 

func HPAScalingRuleWithScalingPolicy(policyType autoscalingv2.HPAScalingPolicyType, value, periodSeconds int32) *autoscalingv2.HPAScalingRules

func HPAScalingRuleWithStabilizationWindow added in v1.25.0 

func HPAScalingRuleWithStabilizationWindow(stabilizationDuration int32) *autoscalingv2.HPAScalingRules

Types

type ResourceConsumer 

type ResourceConsumer struct {
	// contains filtered or unexported fields
}

ResourceConsumer is a tool for testing. It helps to create a specified usage of CPU or memory. Typical use case: rc.ConsumeCPU(600) // ... check your assumption here rc.ConsumeCPU(300) // ... check your assumption here

func NewDynamicResourceConsumer 

func NewDynamicResourceConsumer(ctx context.Context, name, nsName string, kind schema.GroupVersionKind, replicas, initCPUTotal, initMemoryTotal, initCustomMetric int, cpuLimit, memLimit int64, clientset clientset.Interface, scaleClient scaleclient.ScalesGetter, enableSidecar SidecarStatusType, sidecarType SidecarWorkloadType) *ResourceConsumer

NewDynamicResourceConsumer is a wrapper to create a new dynamic ResourceConsumer

func (*ResourceConsumer) CleanUp 

func (rc *ResourceConsumer) CleanUp(ctx context.Context)

CleanUp clean up the background goroutines responsible for consuming resources.

func (*ResourceConsumer) ConsumeCPU 

func (rc *ResourceConsumer) ConsumeCPU(millicores int)

ConsumeCPU consumes given number of CPU

func (*ResourceConsumer) ConsumeCustomMetric 

func (rc *ResourceConsumer) ConsumeCustomMetric(amount int)

ConsumeCustomMetric consumes given number of custom metric

func (*ResourceConsumer) ConsumeMem 

func (rc *ResourceConsumer) ConsumeMem(megabytes int)

ConsumeMem consumes given number of Mem

func (*ResourceConsumer) EnsureDesiredReplicasInRange 

func (rc *ResourceConsumer) EnsureDesiredReplicasInRange(ctx context.Context, minDesiredReplicas, maxDesiredReplicas int, duration time.Duration, hpaName string)

EnsureDesiredReplicasInRange ensure the replicas is in a desired range

func (*ResourceConsumer) GetHpa 

func (rc *ResourceConsumer) GetHpa(ctx context.Context, name string) (*autoscalingv1.HorizontalPodAutoscaler, error)

GetHpa get the corresponding horizontalPodAutoscaler object

func (*ResourceConsumer) GetReplicas 

func (rc *ResourceConsumer) GetReplicas(ctx context.Context) (int, error)

GetReplicas get the replicas

func (*ResourceConsumer) Pause 

func (rc *ResourceConsumer) Pause()

Pause stops background goroutines responsible for consuming resources.

func (*ResourceConsumer) Resume 

func (rc *ResourceConsumer) Resume(ctx context.Context)

Resume starts background goroutines responsible for consuming resources.

func (*ResourceConsumer) WaitForReplicas 

func (rc *ResourceConsumer) WaitForReplicas(ctx context.Context, desiredReplicas int, duration time.Duration)

WaitForReplicas wait for the desired replicas

type ScalingDirection added in v1.25.0 

type ScalingDirection int

ScalingDirection identifies the scale direction for HPA Behavior. 

const (
	DirectionUnknown ScalingDirection = iota
	ScaleUpDirection
	ScaleDownDirection
)

type SidecarStatusType added in v1.23.0 

type SidecarStatusType bool

SidecarStatusType type for sidecar status 

const (
	Enable  SidecarStatusType = true
	Disable SidecarStatusType = false
)

type SidecarWorkloadType added in v1.23.0 

type SidecarWorkloadType string

SidecarWorkloadType type of the sidecar 

const (
	Busy SidecarWorkloadType = "Busy"
	Idle SidecarWorkloadType = "Idle"
)

Source Files

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