blob: deb952ba6bcee9849780394cae504c230266df96 [file] [log] [blame]
/*
Copyright 2016 The Kubernetes Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package validation
import (
"strings"
"testing"
"k8s.io/apimachinery/pkg/api/resource"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/kubernetes/pkg/apis/autoscaling"
api "k8s.io/kubernetes/pkg/apis/core"
utilpointer "k8s.io/utils/pointer"
)
func TestValidateScale(t *testing.T) {
successCases := []autoscaling.Scale{
{
ObjectMeta: metav1.ObjectMeta{
Name: "frontend",
Namespace: metav1.NamespaceDefault,
},
Spec: autoscaling.ScaleSpec{
Replicas: 1,
},
},
{
ObjectMeta: metav1.ObjectMeta{
Name: "frontend",
Namespace: metav1.NamespaceDefault,
},
Spec: autoscaling.ScaleSpec{
Replicas: 10,
},
},
{
ObjectMeta: metav1.ObjectMeta{
Name: "frontend",
Namespace: metav1.NamespaceDefault,
},
Spec: autoscaling.ScaleSpec{
Replicas: 0,
},
},
}
for _, successCase := range successCases {
if errs := ValidateScale(&successCase); len(errs) != 0 {
t.Errorf("expected success: %v", errs)
}
}
errorCases := []struct {
scale autoscaling.Scale
msg string
}{
{
scale: autoscaling.Scale{
ObjectMeta: metav1.ObjectMeta{
Name: "frontend",
Namespace: metav1.NamespaceDefault,
},
Spec: autoscaling.ScaleSpec{
Replicas: -1,
},
},
msg: "must be greater than or equal to 0",
},
}
for _, c := range errorCases {
if errs := ValidateScale(&c.scale); len(errs) == 0 {
t.Errorf("expected failure for %s", c.msg)
} else if !strings.Contains(errs[0].Error(), c.msg) {
t.Errorf("unexpected error: %v, expected: %s", errs[0], c.msg)
}
}
}
func TestValidateHorizontalPodAutoscaler(t *testing.T) {
metricLabelSelector, err := metav1.ParseToLabelSelector("label=value")
if err != nil {
t.Errorf("unable to parse label selector: %v", err)
}
successCases := []autoscaling.HorizontalPodAutoscaler{
{
ObjectMeta: metav1.ObjectMeta{
Name: "myautoscaler",
Namespace: metav1.NamespaceDefault,
},
Spec: autoscaling.HorizontalPodAutoscalerSpec{
ScaleTargetRef: autoscaling.CrossVersionObjectReference{
Kind: "ReplicationController",
Name: "myrc",
},
MinReplicas: utilpointer.Int32Ptr(1),
MaxReplicas: 5,
Metrics: []autoscaling.MetricSpec{
{
Type: autoscaling.ResourceMetricSourceType,
Resource: &autoscaling.ResourceMetricSource{
Name: api.ResourceCPU,
Target: autoscaling.MetricTarget{
Type: autoscaling.UtilizationMetricType,
AverageUtilization: utilpointer.Int32Ptr(70),
},
},
},
},
},
},
{
ObjectMeta: metav1.ObjectMeta{
Name: "myautoscaler",
Namespace: metav1.NamespaceDefault,
},
Spec: autoscaling.HorizontalPodAutoscalerSpec{
ScaleTargetRef: autoscaling.CrossVersionObjectReference{
Kind: "ReplicationController",
Name: "myrc",
},
MinReplicas: utilpointer.Int32Ptr(1),
MaxReplicas: 5,
},
},
{
ObjectMeta: metav1.ObjectMeta{
Name: "myautoscaler",
Namespace: metav1.NamespaceDefault,
},
Spec: autoscaling.HorizontalPodAutoscalerSpec{
ScaleTargetRef: autoscaling.CrossVersionObjectReference{
Kind: "ReplicationController",
Name: "myrc",
},
MinReplicas: utilpointer.Int32Ptr(1),
MaxReplicas: 5,
Metrics: []autoscaling.MetricSpec{
{
Type: autoscaling.ResourceMetricSourceType,
Resource: &autoscaling.ResourceMetricSource{
Name: api.ResourceCPU,
Target: autoscaling.MetricTarget{
Type: autoscaling.AverageValueMetricType,
AverageValue: resource.NewMilliQuantity(300, resource.DecimalSI),
},
},
},
},
},
},
{
ObjectMeta: metav1.ObjectMeta{
Name: "myautoscaler",
Namespace: metav1.NamespaceDefault,
},
Spec: autoscaling.HorizontalPodAutoscalerSpec{
ScaleTargetRef: autoscaling.CrossVersionObjectReference{
Kind: "ReplicationController",
Name: "myrc",
},
MinReplicas: utilpointer.Int32Ptr(1),
MaxReplicas: 5,
Metrics: []autoscaling.MetricSpec{
{
Type: autoscaling.PodsMetricSourceType,
Pods: &autoscaling.PodsMetricSource{
Metric: autoscaling.MetricIdentifier{
Name: "somemetric",
},
Target: autoscaling.MetricTarget{
Type: autoscaling.AverageValueMetricType,
AverageValue: resource.NewMilliQuantity(300, resource.DecimalSI),
},
},
},
},
},
},
{
ObjectMeta: metav1.ObjectMeta{
Name: "myautoscaler",
Namespace: metav1.NamespaceDefault,
},
Spec: autoscaling.HorizontalPodAutoscalerSpec{
ScaleTargetRef: autoscaling.CrossVersionObjectReference{
Kind: "ReplicationController",
Name: "myrc",
},
MinReplicas: utilpointer.Int32Ptr(1),
MaxReplicas: 5,
Metrics: []autoscaling.MetricSpec{
{
Type: autoscaling.ObjectMetricSourceType,
Object: &autoscaling.ObjectMetricSource{
DescribedObject: autoscaling.CrossVersionObjectReference{
Kind: "ReplicationController",
Name: "myrc",
},
Metric: autoscaling.MetricIdentifier{
Name: "somemetric",
},
Target: autoscaling.MetricTarget{
Type: autoscaling.ValueMetricType,
Value: resource.NewMilliQuantity(300, resource.DecimalSI),
},
},
},
},
},
},
{
ObjectMeta: metav1.ObjectMeta{
Name: "myautoscaler",
Namespace: metav1.NamespaceDefault,
},
Spec: autoscaling.HorizontalPodAutoscalerSpec{
ScaleTargetRef: autoscaling.CrossVersionObjectReference{
Kind: "ReplicationController",
Name: "myrc",
},
MinReplicas: utilpointer.Int32Ptr(1),
MaxReplicas: 5,
Metrics: []autoscaling.MetricSpec{
{
Type: autoscaling.ExternalMetricSourceType,
External: &autoscaling.ExternalMetricSource{
Metric: autoscaling.MetricIdentifier{
Name: "somemetric",
Selector: metricLabelSelector,
},
Target: autoscaling.MetricTarget{
Type: autoscaling.ValueMetricType,
Value: resource.NewMilliQuantity(300, resource.DecimalSI),
},
},
},
},
},
},
{
ObjectMeta: metav1.ObjectMeta{
Name: "myautoscaler",
Namespace: metav1.NamespaceDefault,
},
Spec: autoscaling.HorizontalPodAutoscalerSpec{
ScaleTargetRef: autoscaling.CrossVersionObjectReference{
Kind: "ReplicationController",
Name: "myrc",
},
MinReplicas: utilpointer.Int32Ptr(1),
MaxReplicas: 5,
Metrics: []autoscaling.MetricSpec{
{
Type: autoscaling.ExternalMetricSourceType,
External: &autoscaling.ExternalMetricSource{
Metric: autoscaling.MetricIdentifier{
Name: "somemetric",
Selector: metricLabelSelector,
},
Target: autoscaling.MetricTarget{
Type: autoscaling.AverageValueMetricType,
AverageValue: resource.NewMilliQuantity(300, resource.DecimalSI),
},
},
},
},
},
},
}
for _, successCase := range successCases {
if errs := ValidateHorizontalPodAutoscaler(&successCase); len(errs) != 0 {
t.Errorf("expected success: %v", errs)
}
}
errorCases := []struct {
horizontalPodAutoscaler autoscaling.HorizontalPodAutoscaler
msg string
}{
{
horizontalPodAutoscaler: autoscaling.HorizontalPodAutoscaler{
ObjectMeta: metav1.ObjectMeta{Name: "myautoscaler", Namespace: metav1.NamespaceDefault},
Spec: autoscaling.HorizontalPodAutoscalerSpec{
ScaleTargetRef: autoscaling.CrossVersionObjectReference{Name: "myrc"},
MinReplicas: utilpointer.Int32Ptr(1),
MaxReplicas: 5,
Metrics: []autoscaling.MetricSpec{
{
Type: autoscaling.ResourceMetricSourceType,
Resource: &autoscaling.ResourceMetricSource{
Name: api.ResourceCPU,
Target: autoscaling.MetricTarget{
Type: autoscaling.UtilizationMetricType,
AverageUtilization: utilpointer.Int32Ptr(70),
},
},
},
},
},
},
msg: "scaleTargetRef.kind: Required",
},
{
horizontalPodAutoscaler: autoscaling.HorizontalPodAutoscaler{
ObjectMeta: metav1.ObjectMeta{Name: "myautoscaler", Namespace: metav1.NamespaceDefault},
Spec: autoscaling.HorizontalPodAutoscalerSpec{
ScaleTargetRef: autoscaling.CrossVersionObjectReference{Kind: "..", Name: "myrc"},
MinReplicas: utilpointer.Int32Ptr(1),
MaxReplicas: 5,
Metrics: []autoscaling.MetricSpec{
{
Type: autoscaling.ResourceMetricSourceType,
Resource: &autoscaling.ResourceMetricSource{
Name: api.ResourceCPU,
Target: autoscaling.MetricTarget{
Type: autoscaling.UtilizationMetricType,
AverageUtilization: utilpointer.Int32Ptr(70),
},
},
},
},
},
},
msg: "scaleTargetRef.kind: Invalid",
},
{
horizontalPodAutoscaler: autoscaling.HorizontalPodAutoscaler{
ObjectMeta: metav1.ObjectMeta{Name: "myautoscaler", Namespace: metav1.NamespaceDefault},
Spec: autoscaling.HorizontalPodAutoscalerSpec{
ScaleTargetRef: autoscaling.CrossVersionObjectReference{Kind: "ReplicationController"},
MinReplicas: utilpointer.Int32Ptr(1),
MaxReplicas: 5,
Metrics: []autoscaling.MetricSpec{
{
Type: autoscaling.ResourceMetricSourceType,
Resource: &autoscaling.ResourceMetricSource{
Name: api.ResourceCPU,
Target: autoscaling.MetricTarget{
Type: autoscaling.UtilizationMetricType,
AverageUtilization: utilpointer.Int32Ptr(70),
},
},
},
},
},
},
msg: "scaleTargetRef.name: Required",
},
{
horizontalPodAutoscaler: autoscaling.HorizontalPodAutoscaler{
ObjectMeta: metav1.ObjectMeta{Name: "myautoscaler", Namespace: metav1.NamespaceDefault},
Spec: autoscaling.HorizontalPodAutoscalerSpec{
ScaleTargetRef: autoscaling.CrossVersionObjectReference{Kind: "ReplicationController", Name: ".."},
MinReplicas: utilpointer.Int32Ptr(1),
MaxReplicas: 5,
Metrics: []autoscaling.MetricSpec{
{
Type: autoscaling.ResourceMetricSourceType,
Resource: &autoscaling.ResourceMetricSource{
Name: api.ResourceCPU,
Target: autoscaling.MetricTarget{
Type: autoscaling.UtilizationMetricType,
AverageUtilization: utilpointer.Int32Ptr(70),
},
},
},
},
},
},
msg: "scaleTargetRef.name: Invalid",
},
{
horizontalPodAutoscaler: autoscaling.HorizontalPodAutoscaler{
ObjectMeta: metav1.ObjectMeta{
Name: "myautoscaler",
Namespace: metav1.NamespaceDefault,
},
Spec: autoscaling.HorizontalPodAutoscalerSpec{
ScaleTargetRef: autoscaling.CrossVersionObjectReference{},
MinReplicas: utilpointer.Int32Ptr(-1),
MaxReplicas: 5,
},
},
msg: "must be greater than 0",
},
{
horizontalPodAutoscaler: autoscaling.HorizontalPodAutoscaler{
ObjectMeta: metav1.ObjectMeta{
Name: "myautoscaler",
Namespace: metav1.NamespaceDefault,
},
Spec: autoscaling.HorizontalPodAutoscalerSpec{
ScaleTargetRef: autoscaling.CrossVersionObjectReference{},
MinReplicas: utilpointer.Int32Ptr(7),
MaxReplicas: 5,
},
},
msg: "must be greater than or equal to `minReplicas`",
},
{
horizontalPodAutoscaler: autoscaling.HorizontalPodAutoscaler{
ObjectMeta: metav1.ObjectMeta{
Name: "myautoscaler",
Namespace: metav1.NamespaceDefault,
},
Spec: autoscaling.HorizontalPodAutoscalerSpec{
ScaleTargetRef: autoscaling.CrossVersionObjectReference{Name: "myrc", Kind: "ReplicationController"},
MinReplicas: utilpointer.Int32Ptr(1),
MaxReplicas: 5,
Metrics: []autoscaling.MetricSpec{
{
Type: autoscaling.ResourceMetricSourceType,
Resource: &autoscaling.ResourceMetricSource{
Name: api.ResourceCPU,
Target: autoscaling.MetricTarget{
Type: autoscaling.UtilizationMetricType,
AverageUtilization: utilpointer.Int32Ptr(70),
AverageValue: resource.NewMilliQuantity(300, resource.DecimalSI),
},
},
},
},
},
},
msg: "may not set both a target raw value and a target utilization",
},
{
horizontalPodAutoscaler: autoscaling.HorizontalPodAutoscaler{
ObjectMeta: metav1.ObjectMeta{Name: "myautoscaler", Namespace: metav1.NamespaceDefault},
Spec: autoscaling.HorizontalPodAutoscalerSpec{
ScaleTargetRef: autoscaling.CrossVersionObjectReference{Name: "myrc", Kind: "ReplicationController"},
MinReplicas: utilpointer.Int32Ptr(1),
MaxReplicas: 5,
Metrics: []autoscaling.MetricSpec{
{
Type: autoscaling.ResourceMetricSourceType,
Resource: &autoscaling.ResourceMetricSource{
Target: autoscaling.MetricTarget{
Type: autoscaling.UtilizationMetricType,
AverageUtilization: utilpointer.Int32Ptr(70),
},
},
},
},
},
},
msg: "must specify a resource name",
},
{
horizontalPodAutoscaler: autoscaling.HorizontalPodAutoscaler{
ObjectMeta: metav1.ObjectMeta{Name: "myautoscaler", Namespace: metav1.NamespaceDefault},
Spec: autoscaling.HorizontalPodAutoscalerSpec{
ScaleTargetRef: autoscaling.CrossVersionObjectReference{Name: "myrc", Kind: "ReplicationController"},
MinReplicas: utilpointer.Int32Ptr(1),
MaxReplicas: 5,
Metrics: []autoscaling.MetricSpec{
{
Type: autoscaling.ResourceMetricSourceType,
Resource: &autoscaling.ResourceMetricSource{
Name: api.ResourceCPU,
Target: autoscaling.MetricTarget{
Type: autoscaling.UtilizationMetricType,
AverageUtilization: utilpointer.Int32Ptr(-10),
},
},
},
},
},
},
msg: "must be greater than 0",
},
{
horizontalPodAutoscaler: autoscaling.HorizontalPodAutoscaler{
ObjectMeta: metav1.ObjectMeta{Name: "myautoscaler", Namespace: metav1.NamespaceDefault},
Spec: autoscaling.HorizontalPodAutoscalerSpec{
ScaleTargetRef: autoscaling.CrossVersionObjectReference{Name: "myrc", Kind: "ReplicationController"},
MinReplicas: utilpointer.Int32Ptr(1),
MaxReplicas: 5,
Metrics: []autoscaling.MetricSpec{
{
Type: autoscaling.ResourceMetricSourceType,
Resource: &autoscaling.ResourceMetricSource{
Name: api.ResourceCPU,
Target: autoscaling.MetricTarget{
Type: autoscaling.ValueMetricType,
},
},
},
},
},
},
msg: "must set either a target raw value or a target utilization",
},
{
horizontalPodAutoscaler: autoscaling.HorizontalPodAutoscaler{
ObjectMeta: metav1.ObjectMeta{Name: "myautoscaler", Namespace: metav1.NamespaceDefault},
Spec: autoscaling.HorizontalPodAutoscalerSpec{
ScaleTargetRef: autoscaling.CrossVersionObjectReference{Name: "myrc", Kind: "ReplicationController"},
MinReplicas: utilpointer.Int32Ptr(1),
MaxReplicas: 5,
Metrics: []autoscaling.MetricSpec{
{
Type: autoscaling.PodsMetricSourceType,
Pods: &autoscaling.PodsMetricSource{
Metric: autoscaling.MetricIdentifier{},
Target: autoscaling.MetricTarget{
Type: autoscaling.ValueMetricType,
AverageValue: resource.NewMilliQuantity(100, resource.DecimalSI),
},
},
},
},
},
},
msg: "must specify a metric name",
},
{
horizontalPodAutoscaler: autoscaling.HorizontalPodAutoscaler{
ObjectMeta: metav1.ObjectMeta{Name: "myautoscaler", Namespace: metav1.NamespaceDefault},
Spec: autoscaling.HorizontalPodAutoscalerSpec{
ScaleTargetRef: autoscaling.CrossVersionObjectReference{Name: "myrc", Kind: "ReplicationController"},
MinReplicas: utilpointer.Int32Ptr(1),
MaxReplicas: 5,
Metrics: []autoscaling.MetricSpec{
{
Type: autoscaling.PodsMetricSourceType,
Pods: &autoscaling.PodsMetricSource{
Metric: autoscaling.MetricIdentifier{
Name: "somemetric",
},
Target: autoscaling.MetricTarget{
Type: autoscaling.ValueMetricType,
},
},
},
},
},
},
msg: "must specify a positive target averageValue",
},
{
horizontalPodAutoscaler: autoscaling.HorizontalPodAutoscaler{
ObjectMeta: metav1.ObjectMeta{Name: "myautoscaler", Namespace: metav1.NamespaceDefault},
Spec: autoscaling.HorizontalPodAutoscalerSpec{
ScaleTargetRef: autoscaling.CrossVersionObjectReference{Name: "myrc", Kind: "ReplicationController"},
MinReplicas: utilpointer.Int32Ptr(1),
MaxReplicas: 5,
Metrics: []autoscaling.MetricSpec{
{
Type: autoscaling.ObjectMetricSourceType,
Object: &autoscaling.ObjectMetricSource{
DescribedObject: autoscaling.CrossVersionObjectReference{
Kind: "ReplicationController",
Name: "myrc",
},
Metric: autoscaling.MetricIdentifier{
Name: "somemetric",
},
Target: autoscaling.MetricTarget{
Type: autoscaling.ValueMetricType,
},
},
},
},
},
},
msg: "must set either a target value or averageValue",
},
{
horizontalPodAutoscaler: autoscaling.HorizontalPodAutoscaler{
ObjectMeta: metav1.ObjectMeta{Name: "myautoscaler", Namespace: metav1.NamespaceDefault},
Spec: autoscaling.HorizontalPodAutoscalerSpec{
ScaleTargetRef: autoscaling.CrossVersionObjectReference{Name: "myrc", Kind: "ReplicationController"},
MinReplicas: utilpointer.Int32Ptr(1),
MaxReplicas: 5,
Metrics: []autoscaling.MetricSpec{
{
Type: autoscaling.ObjectMetricSourceType,
Object: &autoscaling.ObjectMetricSource{
DescribedObject: autoscaling.CrossVersionObjectReference{
Name: "myrc",
},
Metric: autoscaling.MetricIdentifier{
Name: "somemetric",
},
Target: autoscaling.MetricTarget{
Type: autoscaling.ValueMetricType,
Value: resource.NewMilliQuantity(100, resource.DecimalSI),
},
},
},
},
},
},
msg: "object.describedObject.kind: Required",
},
{
horizontalPodAutoscaler: autoscaling.HorizontalPodAutoscaler{
ObjectMeta: metav1.ObjectMeta{Name: "myautoscaler", Namespace: metav1.NamespaceDefault},
Spec: autoscaling.HorizontalPodAutoscalerSpec{
ScaleTargetRef: autoscaling.CrossVersionObjectReference{Name: "myrc", Kind: "ReplicationController"},
MinReplicas: utilpointer.Int32Ptr(1),
MaxReplicas: 5,
Metrics: []autoscaling.MetricSpec{
{
Type: autoscaling.ObjectMetricSourceType,
Object: &autoscaling.ObjectMetricSource{
DescribedObject: autoscaling.CrossVersionObjectReference{
Kind: "ReplicationController",
Name: "myrc",
},
Target: autoscaling.MetricTarget{
Type: autoscaling.ValueMetricType,
Value: resource.NewMilliQuantity(100, resource.DecimalSI),
},
},
},
},
},
},
msg: "must specify a metric name",
},
{
horizontalPodAutoscaler: autoscaling.HorizontalPodAutoscaler{
ObjectMeta: metav1.ObjectMeta{Name: "myautoscaler", Namespace: metav1.NamespaceDefault},
Spec: autoscaling.HorizontalPodAutoscalerSpec{
ScaleTargetRef: autoscaling.CrossVersionObjectReference{Name: "myrc", Kind: "ReplicationController"},
MinReplicas: utilpointer.Int32Ptr(1),
MaxReplicas: 5,
Metrics: []autoscaling.MetricSpec{
{
Type: autoscaling.ExternalMetricSourceType,
External: &autoscaling.ExternalMetricSource{
Metric: autoscaling.MetricIdentifier{
Selector: metricLabelSelector,
},
Target: autoscaling.MetricTarget{
Type: autoscaling.ValueMetricType,
Value: resource.NewMilliQuantity(300, resource.DecimalSI),
},
},
},
},
},
},
msg: "must specify a metric name",
},
{
horizontalPodAutoscaler: autoscaling.HorizontalPodAutoscaler{
ObjectMeta: metav1.ObjectMeta{Name: "myautoscaler", Namespace: metav1.NamespaceDefault},
Spec: autoscaling.HorizontalPodAutoscalerSpec{
ScaleTargetRef: autoscaling.CrossVersionObjectReference{Name: "myrc", Kind: "ReplicationController"},
MinReplicas: utilpointer.Int32Ptr(1),
MaxReplicas: 5,
Metrics: []autoscaling.MetricSpec{
{
Type: autoscaling.ExternalMetricSourceType,
External: &autoscaling.ExternalMetricSource{
Metric: autoscaling.MetricIdentifier{
Name: "foo/../",
Selector: metricLabelSelector,
},
Target: autoscaling.MetricTarget{
Type: autoscaling.ValueMetricType,
Value: resource.NewMilliQuantity(300, resource.DecimalSI),
},
},
},
},
},
},
msg: "'/'",
},
{
horizontalPodAutoscaler: autoscaling.HorizontalPodAutoscaler{
ObjectMeta: metav1.ObjectMeta{Name: "myautoscaler", Namespace: metav1.NamespaceDefault},
Spec: autoscaling.HorizontalPodAutoscalerSpec{
ScaleTargetRef: autoscaling.CrossVersionObjectReference{Name: "myrc", Kind: "ReplicationController"},
MinReplicas: utilpointer.Int32Ptr(1),
MaxReplicas: 5,
Metrics: []autoscaling.MetricSpec{
{
Type: autoscaling.ExternalMetricSourceType,
External: &autoscaling.ExternalMetricSource{
Metric: autoscaling.MetricIdentifier{
Name: "somemetric",
Selector: metricLabelSelector,
},
Target: autoscaling.MetricTarget{
Type: autoscaling.ValueMetricType,
},
},
},
},
},
},
msg: "must set either a target value for metric or a per-pod target",
},
{
horizontalPodAutoscaler: autoscaling.HorizontalPodAutoscaler{
ObjectMeta: metav1.ObjectMeta{Name: "myautoscaler", Namespace: metav1.NamespaceDefault},
Spec: autoscaling.HorizontalPodAutoscalerSpec{
ScaleTargetRef: autoscaling.CrossVersionObjectReference{Name: "myrc", Kind: "ReplicationController"},
MinReplicas: utilpointer.Int32Ptr(1),
MaxReplicas: 5,
Metrics: []autoscaling.MetricSpec{
{
Type: autoscaling.ExternalMetricSourceType,
External: &autoscaling.ExternalMetricSource{
Metric: autoscaling.MetricIdentifier{
Name: "somemetric",
Selector: metricLabelSelector,
},
Target: autoscaling.MetricTarget{
Type: autoscaling.ValueMetricType,
Value: resource.NewMilliQuantity(-300, resource.DecimalSI),
},
},
},
},
},
},
msg: "must be positive",
},
{
horizontalPodAutoscaler: autoscaling.HorizontalPodAutoscaler{
ObjectMeta: metav1.ObjectMeta{Name: "myautoscaler", Namespace: metav1.NamespaceDefault},
Spec: autoscaling.HorizontalPodAutoscalerSpec{
ScaleTargetRef: autoscaling.CrossVersionObjectReference{Name: "myrc", Kind: "ReplicationController"},
MinReplicas: utilpointer.Int32Ptr(1),
MaxReplicas: 5,
Metrics: []autoscaling.MetricSpec{
{
Type: autoscaling.ExternalMetricSourceType,
External: &autoscaling.ExternalMetricSource{
Metric: autoscaling.MetricIdentifier{
Name: "somemetric",
Selector: metricLabelSelector,
},
Target: autoscaling.MetricTarget{
Type: autoscaling.ValueMetricType,
AverageValue: resource.NewMilliQuantity(-300, resource.DecimalSI),
},
},
},
},
},
},
msg: "must be positive",
},
{
horizontalPodAutoscaler: autoscaling.HorizontalPodAutoscaler{
ObjectMeta: metav1.ObjectMeta{Name: "myautoscaler", Namespace: metav1.NamespaceDefault},
Spec: autoscaling.HorizontalPodAutoscalerSpec{
ScaleTargetRef: autoscaling.CrossVersionObjectReference{Name: "myrc", Kind: "ReplicationController"},
MinReplicas: utilpointer.Int32Ptr(1),
MaxReplicas: 5,
Metrics: []autoscaling.MetricSpec{
{
Type: autoscaling.ExternalMetricSourceType,
External: &autoscaling.ExternalMetricSource{
Metric: autoscaling.MetricIdentifier{
Name: "somemetric",
Selector: metricLabelSelector,
},
Target: autoscaling.MetricTarget{
Type: autoscaling.ValueMetricType,
Value: resource.NewMilliQuantity(300, resource.DecimalSI),
AverageValue: resource.NewMilliQuantity(300, resource.DecimalSI),
},
},
},
},
},
},
msg: "may not set both a target value for metric and a per-pod target",
},
{
horizontalPodAutoscaler: autoscaling.HorizontalPodAutoscaler{
ObjectMeta: metav1.ObjectMeta{Name: "myautoscaler", Namespace: metav1.NamespaceDefault},
Spec: autoscaling.HorizontalPodAutoscalerSpec{
ScaleTargetRef: autoscaling.CrossVersionObjectReference{Name: "myrc", Kind: "ReplicationController"},
MinReplicas: utilpointer.Int32Ptr(1),
MaxReplicas: 5,
Metrics: []autoscaling.MetricSpec{
{
Type: autoscaling.ExternalMetricSourceType,
External: &autoscaling.ExternalMetricSource{
Metric: autoscaling.MetricIdentifier{
Name: "somemetric",
Selector: metricLabelSelector,
},
Target: autoscaling.MetricTarget{
Type: "boogity",
Value: resource.NewMilliQuantity(300, resource.DecimalSI),
},
},
},
},
},
},
msg: "must be either Utilization, Value, or AverageValue",
},
{
horizontalPodAutoscaler: autoscaling.HorizontalPodAutoscaler{
ObjectMeta: metav1.ObjectMeta{Name: "myautoscaler", Namespace: metav1.NamespaceDefault},
Spec: autoscaling.HorizontalPodAutoscalerSpec{
ScaleTargetRef: autoscaling.CrossVersionObjectReference{Name: "myrc", Kind: "ReplicationController"},
MinReplicas: utilpointer.Int32Ptr(1),
MaxReplicas: 5,
Metrics: []autoscaling.MetricSpec{
{
Type: autoscaling.ExternalMetricSourceType,
External: &autoscaling.ExternalMetricSource{
Metric: autoscaling.MetricIdentifier{
Name: "somemetric",
Selector: metricLabelSelector,
},
Target: autoscaling.MetricTarget{
Value: resource.NewMilliQuantity(300, resource.DecimalSI),
},
},
},
},
},
},
msg: "must specify a metric target type",
},
{
horizontalPodAutoscaler: autoscaling.HorizontalPodAutoscaler{
ObjectMeta: metav1.ObjectMeta{Name: "myautoscaler", Namespace: metav1.NamespaceDefault},
Spec: autoscaling.HorizontalPodAutoscalerSpec{
ScaleTargetRef: autoscaling.CrossVersionObjectReference{Name: "myrc", Kind: "ReplicationController"},
MinReplicas: utilpointer.Int32Ptr(1),
MaxReplicas: 5,
Metrics: []autoscaling.MetricSpec{
{
Type: autoscaling.ExternalMetricSourceType,
External: &autoscaling.ExternalMetricSource{
Metric: autoscaling.MetricIdentifier{
Name: "somemetric",
Selector: metricLabelSelector,
},
},
},
},
},
},
msg: "must specify a metric target",
},
{
horizontalPodAutoscaler: autoscaling.HorizontalPodAutoscaler{
ObjectMeta: metav1.ObjectMeta{Name: "myautoscaler", Namespace: metav1.NamespaceDefault},
Spec: autoscaling.HorizontalPodAutoscalerSpec{
ScaleTargetRef: autoscaling.CrossVersionObjectReference{Name: "myrc", Kind: "ReplicationController"},
MinReplicas: utilpointer.Int32Ptr(1),
MaxReplicas: 5,
Metrics: []autoscaling.MetricSpec{
{},
},
},
},
msg: "must specify a metric source type",
},
{
horizontalPodAutoscaler: autoscaling.HorizontalPodAutoscaler{
ObjectMeta: metav1.ObjectMeta{Name: "myautoscaler", Namespace: metav1.NamespaceDefault},
Spec: autoscaling.HorizontalPodAutoscalerSpec{
ScaleTargetRef: autoscaling.CrossVersionObjectReference{Name: "myrc", Kind: "ReplicationController"},
MinReplicas: utilpointer.Int32Ptr(1),
MaxReplicas: 5,
Metrics: []autoscaling.MetricSpec{
{
Type: autoscaling.MetricSourceType("InvalidType"),
},
},
},
},
msg: "type: Unsupported value",
},
{
horizontalPodAutoscaler: autoscaling.HorizontalPodAutoscaler{
ObjectMeta: metav1.ObjectMeta{Name: "myautoscaler", Namespace: metav1.NamespaceDefault},
Spec: autoscaling.HorizontalPodAutoscalerSpec{
ScaleTargetRef: autoscaling.CrossVersionObjectReference{Name: "myrc", Kind: "ReplicationController"},
MinReplicas: utilpointer.Int32Ptr(1),
MaxReplicas: 5,
Metrics: []autoscaling.MetricSpec{
{
Type: autoscaling.ResourceMetricSourceType,
Resource: &autoscaling.ResourceMetricSource{
Name: api.ResourceCPU,
Target: autoscaling.MetricTarget{
Type: autoscaling.AverageValueMetricType,
AverageValue: resource.NewMilliQuantity(100, resource.DecimalSI),
},
},
Pods: &autoscaling.PodsMetricSource{
Metric: autoscaling.MetricIdentifier{
Name: "somemetric",
},
Target: autoscaling.MetricTarget{
Type: autoscaling.AverageValueMetricType,
AverageValue: resource.NewMilliQuantity(100, resource.DecimalSI),
},
},
},
},
},
},
msg: "must populate the given metric source only",
},
}
for _, c := range errorCases {
errs := ValidateHorizontalPodAutoscaler(&c.horizontalPodAutoscaler)
if len(errs) == 0 {
t.Errorf("expected failure for %q", c.msg)
} else if !strings.Contains(errs[0].Error(), c.msg) {
t.Errorf("unexpected error: %q, expected: %q", errs[0], c.msg)
}
}
sourceTypes := map[autoscaling.MetricSourceType]autoscaling.MetricSpec{
autoscaling.ResourceMetricSourceType: {
Resource: &autoscaling.ResourceMetricSource{
Name: api.ResourceCPU,
Target: autoscaling.MetricTarget{
Type: autoscaling.AverageValueMetricType,
AverageValue: resource.NewMilliQuantity(100, resource.DecimalSI),
},
},
},
autoscaling.PodsMetricSourceType: {
Pods: &autoscaling.PodsMetricSource{
Metric: autoscaling.MetricIdentifier{
Name: "somemetric",
},
Target: autoscaling.MetricTarget{
Type: autoscaling.AverageValueMetricType,
AverageValue: resource.NewMilliQuantity(100, resource.DecimalSI),
},
},
},
autoscaling.ObjectMetricSourceType: {
Object: &autoscaling.ObjectMetricSource{
DescribedObject: autoscaling.CrossVersionObjectReference{
Kind: "ReplicationController",
Name: "myrc",
},
Metric: autoscaling.MetricIdentifier{
Name: "somemetric",
},
Target: autoscaling.MetricTarget{
Type: autoscaling.ValueMetricType,
Value: resource.NewMilliQuantity(100, resource.DecimalSI),
},
},
},
}
for correctType, spec := range sourceTypes {
for incorrectType := range sourceTypes {
if correctType == incorrectType {
continue
}
spec.Type = incorrectType
errs := ValidateHorizontalPodAutoscaler(&autoscaling.HorizontalPodAutoscaler{
ObjectMeta: metav1.ObjectMeta{Name: "myautoscaler", Namespace: metav1.NamespaceDefault},
Spec: autoscaling.HorizontalPodAutoscalerSpec{
ScaleTargetRef: autoscaling.CrossVersionObjectReference{Name: "myrc", Kind: "ReplicationController"},
MinReplicas: utilpointer.Int32Ptr(1),
MaxReplicas: 5, Metrics: []autoscaling.MetricSpec{spec},
},
})
expectedMsg := "must populate information for the given metric source"
if len(errs) == 0 {
t.Errorf("expected failure with type of %v and spec for %v", incorrectType, correctType)
} else if !strings.Contains(errs[0].Error(), expectedMsg) {
t.Errorf("unexpected error: %q, expected %q", errs[0], expectedMsg)
}
}
}
}