mirror of
https://github.com/k3s-io/kubernetes.git
synced 2025-10-30 21:30:16 +00:00
363 lines
10 KiB
Go
363 lines
10 KiB
Go
/*
|
|
Copyright 2014 The Kubernetes 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.
|
|
*/
|
|
|
|
package e2e
|
|
|
|
import (
|
|
"fmt"
|
|
"time"
|
|
|
|
"k8s.io/kubernetes/pkg/api"
|
|
"k8s.io/kubernetes/pkg/util"
|
|
"k8s.io/kubernetes/test/e2e/framework"
|
|
|
|
. "github.com/onsi/ginkgo"
|
|
. "github.com/onsi/gomega"
|
|
)
|
|
|
|
var _ = framework.KubeDescribe("ConfigMap", func() {
|
|
|
|
f := framework.NewDefaultFramework("configmap")
|
|
|
|
It("should be consumable from pods in volume [Conformance]", func() {
|
|
doConfigMapE2EWithoutMappings(f, 0, 0)
|
|
})
|
|
|
|
It("should be consumable from pods in volume as non-root [Conformance]", func() {
|
|
doConfigMapE2EWithoutMappings(f, 1000, 0)
|
|
})
|
|
|
|
It("should be consumable from pods in volume as non-root with FSGroup [Feature:FSGroup]", func() {
|
|
doConfigMapE2EWithoutMappings(f, 1000, 1001)
|
|
})
|
|
|
|
It("should be consumable from pods in volume with mappings [Conformance]", func() {
|
|
doConfigMapE2EWithMappings(f, 0, 0)
|
|
})
|
|
|
|
It("should be consumable from pods in volume with mappings as non-root [Conformance]", func() {
|
|
doConfigMapE2EWithMappings(f, 1000, 0)
|
|
})
|
|
|
|
It("should be consumable from pods in volume with mappings as non-root with FSGroup [Feature:FSGroup]", func() {
|
|
doConfigMapE2EWithMappings(f, 1000, 1001)
|
|
})
|
|
|
|
It("updates should be reflected in volume [Conformance]", func() {
|
|
|
|
// We may have to wait or a full sync period to elapse before the
|
|
// Kubelet projects the update into the volume and the container picks
|
|
// it up. This timeout is based on the default Kubelet sync period (1
|
|
// minute) plus additional time for fudge factor.
|
|
const podLogTimeout = 300 * time.Second
|
|
|
|
name := "configmap-test-upd-" + string(util.NewUUID())
|
|
volumeName := "configmap-volume"
|
|
volumeMountPath := "/etc/configmap-volume"
|
|
containerName := "configmap-volume-test"
|
|
|
|
configMap := &api.ConfigMap{
|
|
ObjectMeta: api.ObjectMeta{
|
|
Namespace: f.Namespace.Name,
|
|
Name: name,
|
|
},
|
|
Data: map[string]string{
|
|
"data-1": "value-1",
|
|
},
|
|
}
|
|
|
|
By(fmt.Sprintf("Creating configMap with name %s", configMap.Name))
|
|
defer func() {
|
|
By("Cleaning up the configMap")
|
|
if err := f.Client.ConfigMaps(f.Namespace.Name).Delete(configMap.Name); err != nil {
|
|
framework.Failf("unable to delete configMap %v: %v", configMap.Name, err)
|
|
}
|
|
}()
|
|
var err error
|
|
if configMap, err = f.Client.ConfigMaps(f.Namespace.Name).Create(configMap); err != nil {
|
|
framework.Failf("unable to create test configMap %s: %v", configMap.Name, err)
|
|
}
|
|
|
|
pod := &api.Pod{
|
|
ObjectMeta: api.ObjectMeta{
|
|
Name: "pod-configmaps-" + string(util.NewUUID()),
|
|
},
|
|
Spec: api.PodSpec{
|
|
Volumes: []api.Volume{
|
|
{
|
|
Name: volumeName,
|
|
VolumeSource: api.VolumeSource{
|
|
ConfigMap: &api.ConfigMapVolumeSource{
|
|
LocalObjectReference: api.LocalObjectReference{
|
|
Name: name,
|
|
},
|
|
},
|
|
},
|
|
},
|
|
},
|
|
Containers: []api.Container{
|
|
{
|
|
Name: containerName,
|
|
Image: "gcr.io/google_containers/mounttest:0.6",
|
|
Command: []string{"/mt", "--break_on_expected_content=false", "--retry_time=120", "--file_content_in_loop=/etc/configmap-volume/data-1"},
|
|
VolumeMounts: []api.VolumeMount{
|
|
{
|
|
Name: volumeName,
|
|
MountPath: volumeMountPath,
|
|
ReadOnly: true,
|
|
},
|
|
},
|
|
},
|
|
},
|
|
RestartPolicy: api.RestartPolicyNever,
|
|
},
|
|
}
|
|
|
|
defer func() {
|
|
By("Deleting the pod")
|
|
f.Client.Pods(f.Namespace.Name).Delete(pod.Name, api.NewDeleteOptions(0))
|
|
}()
|
|
By("Creating the pod")
|
|
_, err = f.Client.Pods(f.Namespace.Name).Create(pod)
|
|
Expect(err).NotTo(HaveOccurred())
|
|
|
|
framework.ExpectNoError(framework.WaitForPodRunningInNamespace(f.Client, pod.Name, f.Namespace.Name))
|
|
|
|
pollLogs := func() (string, error) {
|
|
return framework.GetPodLogs(f.Client, f.Namespace.Name, pod.Name, containerName)
|
|
}
|
|
|
|
Eventually(pollLogs, podLogTimeout, framework.Poll).Should(ContainSubstring("value-1"))
|
|
|
|
By(fmt.Sprintf("Updating configmap %v", configMap.Name))
|
|
configMap.ResourceVersion = "" // to force update
|
|
configMap.Data["data-1"] = "value-2"
|
|
_, err = f.Client.ConfigMaps(f.Namespace.Name).Update(configMap)
|
|
Expect(err).NotTo(HaveOccurred())
|
|
|
|
By("waiting to observe update in volume")
|
|
Eventually(pollLogs, podLogTimeout, framework.Poll).Should(ContainSubstring("value-2"))
|
|
})
|
|
|
|
It("should be consumable via environment variable [Conformance]", func() {
|
|
name := "configmap-test-" + string(util.NewUUID())
|
|
configMap := newConfigMap(f, name)
|
|
By(fmt.Sprintf("Creating configMap %v/%v", f.Namespace.Name, configMap.Name))
|
|
defer func() {
|
|
By("Cleaning up the configMap")
|
|
if err := f.Client.ConfigMaps(f.Namespace.Name).Delete(configMap.Name); err != nil {
|
|
framework.Failf("unable to delete configMap %v: %v", configMap.Name, err)
|
|
}
|
|
}()
|
|
var err error
|
|
if configMap, err = f.Client.ConfigMaps(f.Namespace.Name).Create(configMap); err != nil {
|
|
framework.Failf("unable to create test configMap %s: %v", configMap.Name, err)
|
|
}
|
|
|
|
pod := &api.Pod{
|
|
ObjectMeta: api.ObjectMeta{
|
|
Name: "pod-configmaps-" + string(util.NewUUID()),
|
|
},
|
|
Spec: api.PodSpec{
|
|
Containers: []api.Container{
|
|
{
|
|
Name: "env-test",
|
|
Image: "gcr.io/google_containers/busybox:1.24",
|
|
Command: []string{"sh", "-c", "env"},
|
|
Env: []api.EnvVar{
|
|
{
|
|
Name: "CONFIG_DATA_1",
|
|
ValueFrom: &api.EnvVarSource{
|
|
ConfigMapKeyRef: &api.ConfigMapKeySelector{
|
|
LocalObjectReference: api.LocalObjectReference{
|
|
Name: name,
|
|
},
|
|
Key: "data-1",
|
|
},
|
|
},
|
|
},
|
|
},
|
|
},
|
|
},
|
|
RestartPolicy: api.RestartPolicyNever,
|
|
},
|
|
}
|
|
|
|
framework.TestContainerOutput("consume configMaps", f.Client, pod, 0, []string{
|
|
"CONFIG_DATA_1=value-1",
|
|
}, f.Namespace.Name)
|
|
})
|
|
})
|
|
|
|
func newConfigMap(f *framework.Framework, name string) *api.ConfigMap {
|
|
return &api.ConfigMap{
|
|
ObjectMeta: api.ObjectMeta{
|
|
Namespace: f.Namespace.Name,
|
|
Name: name,
|
|
},
|
|
Data: map[string]string{
|
|
"data-1": "value-1",
|
|
"data-2": "value-2",
|
|
"data-3": "value-3",
|
|
},
|
|
}
|
|
}
|
|
|
|
func doConfigMapE2EWithoutMappings(f *framework.Framework, uid, fsGroup int64) {
|
|
var (
|
|
name = "configmap-test-volume-" + string(util.NewUUID())
|
|
volumeName = "configmap-volume"
|
|
volumeMountPath = "/etc/configmap-volume"
|
|
configMap = newConfigMap(f, name)
|
|
)
|
|
|
|
By(fmt.Sprintf("Creating configMap with name %s", configMap.Name))
|
|
defer func() {
|
|
By("Cleaning up the configMap")
|
|
if err := f.Client.ConfigMaps(f.Namespace.Name).Delete(configMap.Name); err != nil {
|
|
framework.Failf("unable to delete configMap %v: %v", configMap.Name, err)
|
|
}
|
|
}()
|
|
var err error
|
|
if configMap, err = f.Client.ConfigMaps(f.Namespace.Name).Create(configMap); err != nil {
|
|
framework.Failf("unable to create test configMap %s: %v", configMap.Name, err)
|
|
}
|
|
|
|
pod := &api.Pod{
|
|
ObjectMeta: api.ObjectMeta{
|
|
Name: "pod-configmaps-" + string(util.NewUUID()),
|
|
},
|
|
Spec: api.PodSpec{
|
|
SecurityContext: &api.PodSecurityContext{},
|
|
Volumes: []api.Volume{
|
|
{
|
|
Name: volumeName,
|
|
VolumeSource: api.VolumeSource{
|
|
ConfigMap: &api.ConfigMapVolumeSource{
|
|
LocalObjectReference: api.LocalObjectReference{
|
|
Name: name,
|
|
},
|
|
},
|
|
},
|
|
},
|
|
},
|
|
Containers: []api.Container{
|
|
{
|
|
Name: "configmap-volume-test",
|
|
Image: "gcr.io/google_containers/mounttest:0.6",
|
|
Args: []string{"--file_content=/etc/configmap-volume/data-1"},
|
|
VolumeMounts: []api.VolumeMount{
|
|
{
|
|
Name: volumeName,
|
|
MountPath: volumeMountPath,
|
|
ReadOnly: true,
|
|
},
|
|
},
|
|
},
|
|
},
|
|
RestartPolicy: api.RestartPolicyNever,
|
|
},
|
|
}
|
|
|
|
if uid != 0 {
|
|
pod.Spec.SecurityContext.RunAsUser = &uid
|
|
}
|
|
|
|
if fsGroup != 0 {
|
|
pod.Spec.SecurityContext.FSGroup = &fsGroup
|
|
}
|
|
|
|
framework.TestContainerOutput("consume configMaps", f.Client, pod, 0, []string{
|
|
"content of file \"/etc/configmap-volume/data-1\": value-1",
|
|
}, f.Namespace.Name)
|
|
|
|
}
|
|
|
|
func doConfigMapE2EWithMappings(f *framework.Framework, uid, fsGroup int64) {
|
|
var (
|
|
name = "configmap-test-volume-map-" + string(util.NewUUID())
|
|
volumeName = "configmap-volume"
|
|
volumeMountPath = "/etc/configmap-volume"
|
|
configMap = newConfigMap(f, name)
|
|
)
|
|
|
|
By(fmt.Sprintf("Creating configMap with name %s", configMap.Name))
|
|
defer func() {
|
|
By("Cleaning up the configMap")
|
|
if err := f.Client.ConfigMaps(f.Namespace.Name).Delete(configMap.Name); err != nil {
|
|
framework.Failf("unable to delete configMap %v: %v", configMap.Name, err)
|
|
}
|
|
}()
|
|
var err error
|
|
if configMap, err = f.Client.ConfigMaps(f.Namespace.Name).Create(configMap); err != nil {
|
|
framework.Failf("unable to create test configMap %s: %v", configMap.Name, err)
|
|
}
|
|
|
|
pod := &api.Pod{
|
|
ObjectMeta: api.ObjectMeta{
|
|
Name: "pod-configmaps-" + string(util.NewUUID()),
|
|
},
|
|
Spec: api.PodSpec{
|
|
SecurityContext: &api.PodSecurityContext{},
|
|
Volumes: []api.Volume{
|
|
{
|
|
Name: volumeName,
|
|
VolumeSource: api.VolumeSource{
|
|
ConfigMap: &api.ConfigMapVolumeSource{
|
|
LocalObjectReference: api.LocalObjectReference{
|
|
Name: name,
|
|
},
|
|
Items: []api.KeyToPath{
|
|
{
|
|
Key: "data-2",
|
|
Path: "path/to/data-2",
|
|
},
|
|
},
|
|
},
|
|
},
|
|
},
|
|
},
|
|
Containers: []api.Container{
|
|
{
|
|
Name: "configmap-volume-test",
|
|
Image: "gcr.io/google_containers/mounttest:0.6",
|
|
Args: []string{"--file_content=/etc/configmap-volume/path/to/data-2"},
|
|
VolumeMounts: []api.VolumeMount{
|
|
{
|
|
Name: volumeName,
|
|
MountPath: volumeMountPath,
|
|
ReadOnly: true,
|
|
},
|
|
},
|
|
},
|
|
},
|
|
RestartPolicy: api.RestartPolicyNever,
|
|
},
|
|
}
|
|
|
|
if uid != 0 {
|
|
pod.Spec.SecurityContext.RunAsUser = &uid
|
|
}
|
|
|
|
if fsGroup != 0 {
|
|
pod.Spec.SecurityContext.FSGroup = &fsGroup
|
|
}
|
|
|
|
framework.TestContainerOutput("consume configMaps", f.Client, pod, 0, []string{
|
|
"content of file \"/etc/configmap-volume/path/to/data-2\": value-2",
|
|
}, f.Namespace.Name)
|
|
}
|