add conformance tests

Dockerfile

@@ -0,0 +1,42 @@
+# Copyright 2024 The Knative 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.
+
+FROM golang AS builder
+
+ARG TARGETOS
+ARG TARGETARCH
+
+# Create and change to the app directory.
+WORKDIR /app
+
+# Copy local code to the container image.
+COPY . ./
+
+RUN go mod tidy
+
+# Build the command inside the container.
+RUN CGO_ENABLED=0 GOOS=${TARGETOS} GOARCH=${TARGETARCH} go build -o ./autoscaler-keda ./cmd/autoscaler-keda/
+
+# Use a Docker multi-stage build to create a lean production image.
+# https://docs.docker.com/develop/develop-images/multistage-build/#use-multi-stage-builds
+# https://github.com/GoogleContainerTools/distroless#readme
+FROM gcr.io/distroless/base:nonroot
+
+# Copy the binaries to the production image from the builder stage.
+COPY --from=builder /app/autoscaler-keda /autoscaler-keda
+
+WORKDIR /home/nonroot
+
+# Run the service on container startup.
+ENTRYPOINT ["/autoscaler-keda"]

hack/patches/conformance.patch

@@ -0,0 +1,99 @@
+diff --git a/test/conformance/api/v1/resources_test.go b/test/conformance/api/v1/resources_test.go
+index 03abcb012..d447c8e56 100644
+--- a/test/conformance/api/v1/resources_test.go
++++ b/test/conformance/api/v1/resources_test.go
+@@ -126,6 +126,7 @@ func createResources() corev1.ResourceRequirements {
+ 			corev1.ResourceMemory: resource.MustParse("350Mi"),
+ 		},
+ 		Requests: corev1.ResourceList{
++			corev1.ResourceCPU:    resource.MustParse("30m"),
+ 			corev1.ResourceMemory: resource.MustParse("350Mi"),
+ 		},
+ 	}
+diff --git a/test/conformance/api/v1/service_test.go b/test/conformance/api/v1/service_test.go
+index 3c9c9833f..9eafd44d0 100644
+--- a/test/conformance/api/v1/service_test.go
++++ b/test/conformance/api/v1/service_test.go
+@@ -727,6 +727,14 @@ func TestServiceCreateWithMultipleContainers(t *testing.T) {
+ 		Image: pkgtest.ImagePath(names.Sidecars[0]),
+ 	}}
+
++	for i, c := range containers {
++		c.Resources = corev1.ResourceRequirements{Requests: corev1.ResourceList{
++			corev1.ResourceCPU:    resource.MustParse("30m"),
++			corev1.ResourceMemory: resource.MustParse("20Mi"),
++		}}
++		containers[i] = c
++	}
++
+ 	// Please see the comment in test/v1/configuration.go.
+ 	if !test.ServingFlags.DisableOptionalAPI {
+ 		for _, c := range containers {
+diff --git a/test/test_images/runtime/handlers/runtime.go b/test/test_images/runtime/handlers/runtime.go
+index 203160de7..c357f0ee7 100644
+--- a/test/test_images/runtime/handlers/runtime.go
++++ b/test/test_images/runtime/handlers/runtime.go
+@@ -56,6 +56,7 @@ func runtimeHandler(w http.ResponseWriter, r *http.Request) {
+ 		},
+ 	}
+
++	log.Printf("Runtime Info: %+v", k)
+ 	writeJSON(w, k)
+ }
+
+diff --git a/test/v1/configuration.go b/test/v1/configuration.go
+index b5b2fedf8..b0ccb50c9 100644
+--- a/test/v1/configuration.go
++++ b/test/v1/configuration.go
+@@ -19,6 +19,7 @@ package v1
+ import (
+ 	"context"
+ 	"fmt"
++	"k8s.io/apimachinery/pkg/api/resource"
+ 	"testing"
+
+ 	corev1 "k8s.io/api/core/v1"
+@@ -113,6 +114,15 @@ func ConfigurationSpec(imagePath string) *v1.ConfigurationSpec {
+ 				PodSpec: corev1.PodSpec{
+ 					Containers: []corev1.Container{{
+ 						Image: imagePath,
++						Resources: corev1.ResourceRequirements{
++							Requests: corev1.ResourceList{
++								corev1.ResourceCPU:    resource.MustParse("30m"),
++								corev1.ResourceMemory: resource.MustParse("20Mi"),
++							},
++							Limits: corev1.ResourceList{
++								corev1.ResourceCPU: resource.MustParse("300m"),
++							},
++						},
+ 					}},
+ 				},
+ 			},
+diff --git a/test/v1/service.go b/test/v1/service.go
+index 9d8db16c8..11ad078f8 100644
+--- a/test/v1/service.go
++++ b/test/v1/service.go
+@@ -20,6 +20,7 @@ import (
+ 	"context"
+ 	"encoding/json"
+ 	"fmt"
++	"k8s.io/apimachinery/pkg/api/resource"
+ 	"testing"
+
+ 	corev1 "k8s.io/api/core/v1"
+@@ -243,6 +244,15 @@ func Service(names test.ResourceNames, fopt ...rtesting.ServiceOption) *v1.Servi
+ 	if names.Image != "" && len(names.Sidecars) == 0 {
+ 		a := append([]rtesting.ServiceOption{
+ 			rtesting.WithConfigSpec(ConfigurationSpec(pkgTest.ImagePath(names.Image))),
++			rtesting.WithResourceRequirements(corev1.ResourceRequirements{
++				Requests: corev1.ResourceList{
++					corev1.ResourceCPU:    resource.MustParse("30m"),
++					corev1.ResourceMemory: resource.MustParse("20Mi"),
++				},
++				Limits: corev1.ResourceList{
++					corev1.ResourceCPU: resource.MustParse("300m"),
++				},
++			}),
+ 		}, fopt...)
+ 		return rtesting.ServiceWithoutNamespace(names.Service, a...)
+ 	}

test/e2e-tests.sh

@@ -83,6 +83,20 @@ header "Running HPA tests"
 # Needed for HPA Mem test, see https://keda.sh/docs/2.14/scalers/memory/#prerequisites
 toggle_feature queueproxy.resource-defaults "enabled" config-features
 go_test_e2e -timeout=30m -tags=hpa ./test/e2e "${E2E_TEST_FLAGS[@]}" || failed=1
+
+git apply ../hack/patches/conformance.patch
+# Run conformance tests
+# set pod-autoscaler-class to hpa.autoscaling.knative.dev
+kubectl patch cm config-autoscaler -n ${SYSTEM_NAMESPACE} -p '{"data":{"pod-autoscaler-class": "hpa.autoscaling.knative.dev"}}'
+header "Running conformance tests"
+go_test_e2e -timeout=30m \
+  "${GO_TEST_FLAGS[@]}" \
+  ./test/conformance/api/... \
+  ./test/conformance/runtime/... \
+  "${E2E_TEST_FLAGS[@]}" || failed=1
+git apply -R ../hack/patches/conformance.patch
+# restore deault pod-autoscaler-class
+kubectl patch cm config-autoscaler -n ${SYSTEM_NAMESPACE} -p '{"data":{"pod-autoscaler-class": "kpa.autoscaling.knative.dev"}}'
 popd
 
 # run e2e tests in this repo

test/test_images/metrics-test/service_cpu.yaml

@@ -34,6 +34,10 @@ spec:
           ports:
             - name: http1
               containerPort: 8080
+          resources:
+            requests:
+              cpu: 30m
+              memory: 40Mi
 ---
 apiVersion: monitoring.coreos.com/v1
 kind: ServiceMonitor