Add validations for Stabilizationwindowseconds

CHANGELOG.md

@@ -66,6 +66,7 @@ To learn more about active deprecations, we recommend checking [GitHub Discussio
 - **Pulsar Scaler**: Add support for OAuth extensions ([#4700](https://github.com/kedacore/keda/issues/4700))
 
 ### Fixes
+- **General**: Add validations for stabilizationWindowSeconds ([#4976](https://github.com/kedacore/keda/issues/4976))
 - **RabbitMQ Scaler**: Allow subpaths along with vhost in connection string ([#2634](https://github.com/kedacore/keda/issues/2634))
 - **Selenium Grid Scaler**: Fix latest browser version use case scaling ([#4858](https://github.com/kedacore/keda/issues/4858))
 - **Solace Scaler**: Fix a bug where `queueName` is not properly escaped during URL encode ([#4936](https://github.com/kedacore/keda/issues/4936))

apis/keda/v1alpha1/scaledobject_webhook_test.go

@@ -399,6 +399,26 @@ var _ = It("should validate the so update if it's removing the finalizer even if
 	}).ShouldNot(HaveOccurred())
 })
 
+var _ = It("shouldn't create so when stabilizationWindowSeconds exceeds 3600", func() {
+
+	namespaceName := "fail-so-creation"
+	namespace := createNamespace(namespaceName)
+	so := createScaledObject(soName, namespaceName, workloadName, "apps/v1", "Deployment", false, map[string]string{}, "")
+	so.Spec.Advanced.HorizontalPodAutoscalerConfig = &HorizontalPodAutoscalerConfig{
+		Behavior: &v2.HorizontalPodAutoscalerBehavior{
+			ScaleDown: &v2.HPAScalingRules{
+				StabilizationWindowSeconds: ptr.To[int32](3700),
+			},
+		},
+	}
+	err := k8sClient.Create(context.Background(), namespace)
+	Expect(err).ToNot(HaveOccurred())
+
+	Eventually(func() error {
+		return k8sClient.Create(context.Background(), so)
+	}).Should(HaveOccurred())
+})
+
 var _ = AfterSuite(func() {
 	cancel()
 	By("tearing down the test environment")

config/crd/kustomization.yaml

@@ -17,6 +17,13 @@ patchesJson6902:
     name: scaledjobs.keda.sh
   path: patches/scaledjob_patch.yaml
 
+- target:
+    version: v1
+    group: apiextensions.k8s.io
+    kind: CustomResourceDefinition
+    name: scaledobjects.keda.sh
+  path: patches/scaledobject_patch.yaml
+
 patchesStrategicMerge:
 # [WEBHOOK] To enable webhook, uncomment all the sections with [WEBHOOK] prefix.
 # patches here are for enabling the conversion webhook for each CRD

config/crd/patches/scaledobject_patch.yaml

@@ -0,0 +1,18 @@
+---
+## needs to be patched because of an issue with stabilizationWindowSeconds maximum limit
+## https://github.com/kedacore/keda/issues/4976
+- op: add
+  path: /spec/versions/0/schema/openAPIV3Schema/properties/spec/properties/advanced/properties/horizontalPodAutoscalerConfig/properties/behavior/properties/scaleDown/properties/stabilizationWindowSeconds/minimum
+  value: 0
+
+- op: add
+  path: /spec/versions/0/schema/openAPIV3Schema/properties/spec/properties/advanced/properties/horizontalPodAutoscalerConfig/properties/behavior/properties/scaleDown/properties/stabilizationWindowSeconds/maximum
+  value: 3600
+
+- op: add
+  path: /spec/versions/0/schema/openAPIV3Schema/properties/spec/properties/advanced/properties/horizontalPodAutoscalerConfig/properties/behavior/properties/scaleUp/properties/stabilizationWindowSeconds/minimum
+  value: 0
+
+- op: add
+  path: /spec/versions/0/schema/openAPIV3Schema/properties/spec/properties/advanced/properties/horizontalPodAutoscalerConfig/properties/behavior/properties/scaleUp/properties/stabilizationWindowSeconds/maximum
+  value: 3600