fe84363ce2
export functions from pkg/api/validation add settings API add settings to pkg/registry add settings api to pkg/master/master.go add admission control plugin for pod preset add new admission control plugin to kube-apiserver add settings to import_known_versions.go add settings to codegen add validation tests add settings to client generation add protobufs generation for settings api update linted packages add settings to testapi add settings install to clientset add start of e2e add pod preset plugin to config-test.sh Signed-off-by: Jess Frazelle <acidburn@google.com>
275 lines
8.8 KiB
Go
275 lines
8.8 KiB
Go
/*
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Copyright 2015 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
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import (
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"reflect"
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"strconv"
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"time"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"k8s.io/apimachinery/pkg/labels"
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"k8s.io/apimachinery/pkg/watch"
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"k8s.io/kubernetes/pkg/api/v1"
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settings "k8s.io/kubernetes/pkg/apis/settings/v1alpha1"
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"k8s.io/kubernetes/pkg/client/clientset_generated/clientset"
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"k8s.io/kubernetes/test/e2e/framework"
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. "github.com/onsi/ginkgo"
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. "github.com/onsi/gomega"
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)
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var _ = framework.KubeDescribe("PodPreset", func() {
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f := framework.NewDefaultFramework("podpreset")
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var podClient *framework.PodClient
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BeforeEach(func() {
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// only run on gce for the time being til we find an easier way to update
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// the admission controllers used on the others
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framework.SkipUnlessProviderIs("gce")
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podClient = f.PodClient()
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})
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// Simplest case: all pods succeed promptly
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It("should create a pod preset", func() {
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By("Creating a pod preset")
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pip := &settings.PodPreset{
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ObjectMeta: metav1.ObjectMeta{
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Name: "hello",
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Namespace: f.Namespace.Name,
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},
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Spec: settings.PodPresetSpec{
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Selector: metav1.LabelSelector{
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MatchExpressions: []metav1.LabelSelectorRequirement{
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{
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Key: "security",
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Operator: metav1.LabelSelectorOpIn,
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Values: []string{"S2"},
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},
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},
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},
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Volumes: []v1.Volume{{Name: "vol", VolumeSource: v1.VolumeSource{EmptyDir: &v1.EmptyDirVolumeSource{}}}},
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VolumeMounts: []v1.VolumeMount{
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{Name: "vol", MountPath: "/foo"},
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},
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Env: []v1.EnvVar{{Name: "abc", Value: "value"}, {Name: "ABC", Value: "value"}},
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},
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}
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_, err := createPodPreset(f.ClientSet, f.Namespace.Name, pip)
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Expect(err).NotTo(HaveOccurred())
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By("creating the pod")
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name := "pod-preset-pod"
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value := strconv.Itoa(time.Now().Nanosecond())
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pod := &v1.Pod{
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ObjectMeta: metav1.ObjectMeta{
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Name: name,
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Namespace: f.Namespace.Name,
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Labels: map[string]string{
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"name": "foo",
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"time": value,
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"security": "S2",
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},
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},
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Spec: v1.PodSpec{
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Containers: []v1.Container{
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{
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Name: "nginx",
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Image: "gcr.io/google_containers/nginx-slim:0.7",
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},
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},
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},
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}
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By("setting up watch")
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selector := labels.SelectorFromSet(labels.Set(map[string]string{"time": value}))
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options := metav1.ListOptions{LabelSelector: selector.String()}
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pods, err := podClient.List(options)
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Expect(err).NotTo(HaveOccurred(), "failed to query for pod")
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Expect(len(pods.Items)).To(Equal(0))
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options = metav1.ListOptions{
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LabelSelector: selector.String(),
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ResourceVersion: pods.ListMeta.ResourceVersion,
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}
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w, err := podClient.Watch(options)
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Expect(err).NotTo(HaveOccurred(), "failed to set up watch")
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By("submitting the pod to kubernetes")
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podClient.Create(pod)
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By("verifying the pod is in kubernetes")
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selector = labels.SelectorFromSet(labels.Set(map[string]string{"time": value}))
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options = metav1.ListOptions{LabelSelector: selector.String()}
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pods, err = podClient.List(options)
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Expect(err).NotTo(HaveOccurred(), "failed to query for pod")
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Expect(len(pods.Items)).To(Equal(1))
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By("verifying pod creation was observed")
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select {
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case event, _ := <-w.ResultChan():
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if event.Type != watch.Added {
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framework.Failf("Failed to observe pod creation: %v", event)
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}
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case <-time.After(framework.PodStartTimeout):
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Fail("Timeout while waiting for pod creation")
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}
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// We need to wait for the pod to be running, otherwise the deletion
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// may be carried out immediately rather than gracefully.
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framework.ExpectNoError(f.WaitForPodRunning(pod.Name))
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By("ensuring pod is modified")
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// save the running pod
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pod, err = podClient.Get(pod.Name, metav1.GetOptions{})
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Expect(err).NotTo(HaveOccurred(), "failed to GET scheduled pod")
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// check the annotation is there
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if _, ok := pod.Annotations["podpreset.admission.kubernetes.io/hello"]; !ok {
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framework.Failf("Annotation not found in pod annotations: \n%v\n", pod.Annotations)
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}
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// verify the env is the same
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if !reflect.DeepEqual(pip.Spec.Env, pod.Spec.Containers[0].Env) {
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framework.Failf("env of pod container does not match the env of the pip: expected %#v, got: %#v", pip.Spec.Env, pod.Spec.Containers[0].Env)
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}
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})
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It("should not modify the pod on conflict", func() {
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By("Creating a pod preset")
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pip := &settings.PodPreset{
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ObjectMeta: metav1.ObjectMeta{
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Name: "hello",
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Namespace: f.Namespace.Name,
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},
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Spec: settings.PodPresetSpec{
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Selector: metav1.LabelSelector{
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MatchExpressions: []metav1.LabelSelectorRequirement{
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{
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Key: "security",
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Operator: metav1.LabelSelectorOpIn,
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Values: []string{"S2"},
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},
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},
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},
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Volumes: []v1.Volume{{Name: "vol", VolumeSource: v1.VolumeSource{EmptyDir: &v1.EmptyDirVolumeSource{}}}},
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VolumeMounts: []v1.VolumeMount{
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{Name: "vol", MountPath: "/foo"},
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},
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Env: []v1.EnvVar{{Name: "abc", Value: "value"}, {Name: "ABC", Value: "value"}},
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},
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}
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_, err := createPodPreset(f.ClientSet, f.Namespace.Name, pip)
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Expect(err).NotTo(HaveOccurred())
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By("creating the pod")
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name := "pod-preset-pod"
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value := strconv.Itoa(time.Now().Nanosecond())
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originalPod := &v1.Pod{
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ObjectMeta: metav1.ObjectMeta{
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Name: name,
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Namespace: f.Namespace.Name,
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Labels: map[string]string{
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"name": "foo",
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"time": value,
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"security": "S2",
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},
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},
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Spec: v1.PodSpec{
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Containers: []v1.Container{
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{
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Name: "nginx",
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Image: "gcr.io/google_containers/nginx-slim:0.7",
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Env: []v1.EnvVar{{Name: "abc", Value: "value2"}, {Name: "ABC", Value: "value"}},
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},
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},
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},
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}
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By("setting up watch")
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selector := labels.SelectorFromSet(labels.Set(map[string]string{"time": value}))
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options := metav1.ListOptions{LabelSelector: selector.String()}
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pods, err := podClient.List(options)
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Expect(err).NotTo(HaveOccurred(), "failed to query for pod")
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Expect(len(pods.Items)).To(Equal(0))
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options = metav1.ListOptions{
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LabelSelector: selector.String(),
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ResourceVersion: pods.ListMeta.ResourceVersion,
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}
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w, err := podClient.Watch(options)
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Expect(err).NotTo(HaveOccurred(), "failed to set up watch")
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By("submitting the pod to kubernetes")
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podClient.Create(originalPod)
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By("verifying the pod is in kubernetes")
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selector = labels.SelectorFromSet(labels.Set(map[string]string{"time": value}))
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options = metav1.ListOptions{LabelSelector: selector.String()}
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pods, err = podClient.List(options)
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Expect(err).NotTo(HaveOccurred(), "failed to query for pod")
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Expect(len(pods.Items)).To(Equal(1))
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By("verifying pod creation was observed")
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select {
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case event, _ := <-w.ResultChan():
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if event.Type != watch.Added {
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framework.Failf("Failed to observe pod creation: %v", event)
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}
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case <-time.After(framework.PodStartTimeout):
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Fail("Timeout while waiting for pod creation")
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}
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// We need to wait for the pod to be running, otherwise the deletion
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// may be carried out immediately rather than gracefully.
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framework.ExpectNoError(f.WaitForPodRunning(originalPod.Name))
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By("ensuring pod is modified")
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// save the running pod
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pod, err := podClient.Get(originalPod.Name, metav1.GetOptions{})
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Expect(err).NotTo(HaveOccurred(), "failed to GET scheduled pod")
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// check the annotation is not there
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if _, ok := pod.Annotations["podpreset.admission.kubernetes.io/hello"]; ok {
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framework.Failf("Annotation found in pod annotations and should not be: \n%v\n", pod.Annotations)
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}
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// verify the env is the same
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if !reflect.DeepEqual(originalPod.Spec.Containers[0].Env, pod.Spec.Containers[0].Env) {
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framework.Failf("env of pod container does not match the env of the original pod: expected %#v, got: %#v", originalPod.Spec.Containers[0].Env, pod.Spec.Containers[0].Env)
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}
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})
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})
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func getPodPreset(c clientset.Interface, ns, name string) (*settings.PodPreset, error) {
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return c.Settings().PodPresets(ns).Get(name, metav1.GetOptions{})
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}
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func createPodPreset(c clientset.Interface, ns string, job *settings.PodPreset) (*settings.PodPreset, error) {
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return c.Settings().PodPresets(ns).Create(job)
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}
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func updatePodPreset(c clientset.Interface, ns string, job *settings.PodPreset) (*settings.PodPreset, error) {
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return c.Settings().PodPresets(ns).Update(job)
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}
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func deletePodPreset(c clientset.Interface, ns, name string) error {
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return c.Settings().PodPresets(ns).Delete(name, nil)
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}
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