| /* |
| Copyright 2017 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 fuzzer |
| |
| import ( |
| fuzz "github.com/google/gofuzz" |
| |
| "k8s.io/apimachinery/pkg/api/resource" |
| metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" |
| runtimeserializer "k8s.io/apimachinery/pkg/runtime/serializer" |
| "k8s.io/kubernetes/pkg/apis/autoscaling" |
| api "k8s.io/kubernetes/pkg/apis/core" |
| ) |
| |
| // Funcs returns the fuzzer functions for the autoscaling api group. |
| var Funcs = func(codecs runtimeserializer.CodecFactory) []interface{} { |
| return []interface{}{ |
| func(s *autoscaling.ScaleStatus, c fuzz.Continue) { |
| c.FuzzNoCustom(s) // fuzz self without calling this function again |
| |
| // ensure we have a valid selector |
| metaSelector := &metav1.LabelSelector{} |
| c.Fuzz(metaSelector) |
| labelSelector, _ := metav1.LabelSelectorAsSelector(metaSelector) |
| s.Selector = labelSelector.String() |
| }, |
| func(s *autoscaling.HorizontalPodAutoscalerSpec, c fuzz.Continue) { |
| c.FuzzNoCustom(s) // fuzz self without calling this function again |
| minReplicas := int32(c.Rand.Int31()) |
| s.MinReplicas = &minReplicas |
| |
| randomQuantity := func() resource.Quantity { |
| var q resource.Quantity |
| c.Fuzz(&q) |
| // precalc the string for benchmarking purposes |
| _ = q.String() |
| return q |
| } |
| |
| var podMetricID autoscaling.MetricIdentifier |
| var objMetricID autoscaling.MetricIdentifier |
| c.Fuzz(&podMetricID) |
| c.Fuzz(&objMetricID) |
| |
| targetUtilization := int32(c.RandUint64()) |
| averageValue := randomQuantity() |
| s.Metrics = []autoscaling.MetricSpec{ |
| { |
| Type: autoscaling.PodsMetricSourceType, |
| Pods: &autoscaling.PodsMetricSource{ |
| Metric: podMetricID, |
| Target: autoscaling.MetricTarget{ |
| Type: autoscaling.AverageValueMetricType, |
| AverageValue: &averageValue, |
| }, |
| }, |
| }, |
| { |
| Type: autoscaling.ObjectMetricSourceType, |
| Object: &autoscaling.ObjectMetricSource{ |
| Metric: objMetricID, |
| Target: autoscaling.MetricTarget{ |
| Type: autoscaling.ValueMetricType, |
| Value: &averageValue, |
| }, |
| }, |
| }, |
| { |
| Type: autoscaling.ResourceMetricSourceType, |
| Resource: &autoscaling.ResourceMetricSource{ |
| Name: api.ResourceCPU, |
| Target: autoscaling.MetricTarget{ |
| Type: autoscaling.UtilizationMetricType, |
| AverageUtilization: &targetUtilization, |
| }, |
| }, |
| }, |
| } |
| }, |
| func(s *autoscaling.HorizontalPodAutoscalerStatus, c fuzz.Continue) { |
| c.FuzzNoCustom(s) // fuzz self without calling this function again |
| randomQuantity := func() resource.Quantity { |
| var q resource.Quantity |
| c.Fuzz(&q) |
| // precalc the string for benchmarking purposes |
| _ = q.String() |
| return q |
| } |
| averageValue := randomQuantity() |
| currentUtilization := int32(c.RandUint64()) |
| s.CurrentMetrics = []autoscaling.MetricStatus{ |
| { |
| Type: autoscaling.PodsMetricSourceType, |
| Pods: &autoscaling.PodsMetricStatus{ |
| Metric: autoscaling.MetricIdentifier{ |
| Name: c.RandString(), |
| }, |
| Current: autoscaling.MetricValueStatus{ |
| AverageValue: &averageValue, |
| }, |
| }, |
| }, |
| { |
| Type: autoscaling.ResourceMetricSourceType, |
| Resource: &autoscaling.ResourceMetricStatus{ |
| Name: api.ResourceCPU, |
| Current: autoscaling.MetricValueStatus{ |
| AverageUtilization: ¤tUtilization, |
| AverageValue: &averageValue, |
| }, |
| }, |
| }, |
| } |
| }, |
| } |
| } |