Merge pull request #15145 from piosz/initial-e2e

Implemented e2e test for Initial Resources

test/e2e/autoscaling_utils.go

@@ -38,7 +38,7 @@ const (
 	timeoutRC                       = 120 * time.Second
 	startServiceTimeout             = time.Minute
 	startServiceInterval            = 5 * time.Second
-	image                           = "gcr.io/google_containers/resource_consumer:beta"
+	resourceConsumerImage           = "gcr.io/google_containers/resource_consumer:beta"
 	rcIsNil                         = "ERROR: replicationController = nil"
 )
 
@@ -261,7 +261,7 @@ func runServiceAndRCForResourceConsumer(c *client.Client, ns, name string, repli
 	expectNoError(err)
 	config := RCConfig{
 		Client:     c,
-		Image:      image,
+		Image:      resourceConsumerImage,
 		Name:       name,
 		Namespace:  ns,
 		Timeout:    timeoutRC,

test/e2e/initial_resources.go

@@ -0,0 +1,66 @@
+/*
+Copyright 2015 The Kubernetes Authors All rights reserved.
+
+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 e2e
+
+import (
+	"fmt"
+	"time"
+
+	. "github.com/onsi/ginkgo"
+	. "github.com/onsi/gomega"
+	"k8s.io/kubernetes/pkg/api"
+)
+
+var _ = Describe("Initial Resources", func() {
+	f := NewFramework("initial-resources")
+
+	It("[Skipped] should set initial resources based on historical data", func() {
+		cpu := 100
+		mem := 200
+		for i := 0; i < 10; i++ {
+			rc := NewStaticResourceConsumer(fmt.Sprintf("ir-%d", i), 1, cpu, mem, int64(2*cpu), int64(2*mem), f)
+			defer rc.CleanUp()
+		}
+		// Wait some time to make sure usage data is gathered.
+		time.Sleep(10 * time.Minute)
+
+		pod := runPod(f, "ir-test", resourceConsumerImage)
+		r := pod.Spec.Containers[0].Resources.Requests
+		Expect(r.Cpu().MilliValue()).Should(BeNumerically("~", cpu, 10))
+		Expect(r.Memory().Value()).Should(BeNumerically("~", mem*1024*1024, 20*1024*1024))
+	})
+})
+
+func runPod(f *Framework, name, image string) *api.Pod {
+	pod := &api.Pod{
+		ObjectMeta: api.ObjectMeta{
+			Name: name,
+		},
+		Spec: api.PodSpec{
+			Containers: []api.Container{
+				{
+					Name:  name,
+					Image: image,
+				},
+			},
+		},
+	}
+	createdPod, err := f.Client.Pods(f.Namespace.Name).Create(pod)
+	expectNoError(err)
+	expectNoError(waitForPodRunningInNamespace(f.Client, name, f.Namespace.Name))
+	return createdPod
+}