mirror of https://github.com/k3s-io/k3s
98 lines
2.6 KiB
Go
98 lines
2.6 KiB
Go
/*
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Copyright 2015 The Kubernetes Authors All rights reserved.
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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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"fmt"
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"k8s.io/kubernetes/pkg/api"
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"k8s.io/kubernetes/pkg/util"
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. "github.com/onsi/ginkgo"
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)
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var _ = Describe("Downward API volume", func() {
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f := NewFramework("downward-api")
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It("should provide labels and annotations files", func() {
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podName := "metadata-volume-" + string(util.NewUUID())
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pod := &api.Pod{
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ObjectMeta: api.ObjectMeta{
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Name: podName,
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Labels: map[string]string{"cluster": "rack10"},
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Annotations: map[string]string{"builder": "john-doe"},
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},
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Spec: api.PodSpec{
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Containers: []api.Container{
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{
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Name: "client-container",
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Image: "gcr.io/google_containers/busybox",
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Command: []string{"sh", "-c", "cat /etc/labels /etc/annotations /etc/podname"},
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VolumeMounts: []api.VolumeMount{
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{
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Name: "podinfo",
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MountPath: "/etc",
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ReadOnly: false,
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},
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},
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},
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},
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Volumes: []api.Volume{
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{
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Name: "podinfo",
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VolumeSource: api.VolumeSource{
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DownwardAPI: &api.DownwardAPIVolumeSource{
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Items: []api.DownwardAPIVolumeFile{
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{
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Path: "labels",
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FieldRef: api.ObjectFieldSelector{
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APIVersion: "v1",
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FieldPath: "metadata.labels",
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},
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},
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{
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Path: "annotations",
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FieldRef: api.ObjectFieldSelector{
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APIVersion: "v1",
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FieldPath: "metadata.annotations",
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},
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},
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{
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Path: "podname",
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FieldRef: api.ObjectFieldSelector{
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APIVersion: "v1",
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FieldPath: "metadata.name",
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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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},
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RestartPolicy: api.RestartPolicyNever,
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},
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}
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testContainerOutputInNamespace("downward API volume plugin", f.Client, pod, 0, []string{
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fmt.Sprintf("cluster=\"rack10\"\n"),
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fmt.Sprintf("builder=\"john-doe\"\n"),
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fmt.Sprintf("%s\n", podName),
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}, f.Namespace.Name)
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})
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})
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// TODO: add test-webserver example as pointed out in https://github.com/kubernetes/kubernetes/pull/5093#discussion-diff-37606771
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