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121 lines
3.7 KiB
Go
121 lines
3.7 KiB
Go
/*
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Copyright 2016 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package e2e_node
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import (
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"time"
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. "github.com/onsi/ginkgo"
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. "github.com/onsi/gomega"
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)
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const (
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imageRetryTimeout = time.Minute * 10 // Image pulls can take a long time and shouldn't cause flakes
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imagePullInterval = time.Second * 15
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imageConsistentlyTimeout = time.Second * 30
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imageConsistentlyInterval = time.Second * 5
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)
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var _ = Describe("Image Container Conformance Test", func() {
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Describe("[Flaky] image conformance blackbox test", func() {
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Context("when testing images that exist", func() {
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var conformImages []ConformanceImage
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BeforeEach(func() {
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existImageTags := []string{
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NoPullImageRegistry[pullTestExecHealthz],
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NoPullImageRegistry[pullTestAlpineWithBash],
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}
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for _, existImageTag := range existImageTags {
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conformImage, _ := NewConformanceImage("docker", existImageTag)
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// Pulling images from gcr.io is flaky, so retry failures
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Eventually(func() error {
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return conformImage.Pull()
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}, imageRetryTimeout, imagePullInterval).ShouldNot(HaveOccurred())
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conformImages = append(conformImages, conformImage)
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}
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})
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It("It should present successfully", func() {
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for _, conformImage := range conformImages {
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present, err := conformImage.Present()
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Expect(err).ShouldNot(HaveOccurred())
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Expect(present).To(BeTrue())
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}
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})
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It("should list pulled images", func() {
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image, _ := NewConformanceImage("docker", "")
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tags, err := image.List()
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Expect(err).ShouldNot(HaveOccurred())
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for _, conformImage := range conformImages {
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Expect(tags).To(ContainElement(conformImage.GetTag()))
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}
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})
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AfterEach(func() {
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for _, conformImage := range conformImages {
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conformImage.Remove()
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}
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conformImages = []ConformanceImage{}
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})
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})
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Context("when testing image that does not exist", func() {
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var conformImages []ConformanceImage
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invalidImageTags := []string{
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// nonexistent image registry
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"foo.com/foo/fooimage",
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// nonexistent image
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"gcr.io/google_containers/not_exist",
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// TODO(random-liu): Add test for image pulling credential
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}
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It("should ignore pull failures", func() {
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for _, invalidImageTag := range invalidImageTags {
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conformImage, _ := NewConformanceImage("docker", invalidImageTag)
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// Pulling images from gcr.io is flaky, so retry to make sure failure is not caused by flaky.
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Expect(conformImage.Pull()).Should(HaveOccurred())
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conformImages = append(conformImages, conformImage)
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}
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By("not presenting images", func() {
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for _, conformImage := range conformImages {
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present, err := conformImage.Present()
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Expect(err).ShouldNot(HaveOccurred())
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Expect(present).To(BeFalse())
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}
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})
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By("not listing pulled images", func() {
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image, _ := NewConformanceImage("docker", "")
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tags, err := image.List()
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Expect(err).ShouldNot(HaveOccurred())
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for _, conformImage := range conformImages {
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Expect(tags).NotTo(ContainElement(conformImage.GetTag()))
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}
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})
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By("not removing non-exist images", func() {
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for _, conformImage := range conformImages {
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err := conformImage.Remove()
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Expect(err).Should(HaveOccurred())
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}
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})
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})
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})
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})
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})
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