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projected.go
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projected.go
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/*
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 common
import (
"fmt"
"os"
"path"
"time"
"k8s.io/api/core/v1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/util/uuid"
"k8s.io/kubernetes/test/e2e/framework"
. "github.com/onsi/ginkgo"
. "github.com/onsi/gomega"
)
var _ = Describe("[sig-storage] Projected", func() {
// Part 1/3 - Secrets
f := framework.NewDefaultFramework("projected")
/*
Testname: projected-secret-no-defaultMode
Description: Simple projected Secret test with no defaultMode set.
*/
framework.ConformanceIt("should be consumable from pods in volume", func() {
doProjectedSecretE2EWithoutMapping(f, nil /* default mode */, "projected-secret-test-"+string(uuid.NewUUID()), nil, nil)
})
/*
Testname: projected-secret-with-defaultMode
Description: Simple projected Secret test with defaultMode set.
*/
framework.ConformanceIt("should be consumable from pods in volume with defaultMode set", func() {
defaultMode := int32(0400)
doProjectedSecretE2EWithoutMapping(f, &defaultMode, "projected-secret-test-"+string(uuid.NewUUID()), nil, nil)
})
/*
Testname: projected-secret-with-nonroot-defaultMode-fsGroup
Description: Simple projected Secret test as non-root with
defaultMode and fsGroup set.
*/
framework.ConformanceIt("should be consumable from pods in volume as non-root with defaultMode and fsGroup set", func() {
defaultMode := int32(0440) /* setting fsGroup sets mode to at least 440 */
fsGroup := int64(1001)
uid := int64(1000)
doProjectedSecretE2EWithoutMapping(f, &defaultMode, "projected-secret-test-"+string(uuid.NewUUID()), &fsGroup, &uid)
})
/*
Testname: projected-secret-simple-mapped
Description: Simple projected Secret test, by setting a secret and
mounting it to a volume with a custom path (mapping) on the pod with
no other settings and make sure the pod actually consumes it.
*/
framework.ConformanceIt("should be consumable from pods in volume with mappings", func() {
doProjectedSecretE2EWithMapping(f, nil)
})
/*
Testname: projected-secret-with-item-mode-mapped
Description: Repeat the projected-secret-simple-mapped but this time
with an item mode (e.g. 0400) for the secret map item.
*/
framework.ConformanceIt("should be consumable from pods in volume with mappings and Item Mode set", func() {
mode := int32(0400)
doProjectedSecretE2EWithMapping(f, &mode)
})
It("should be able to mount in a volume regardless of a different secret existing with same name in different namespace", func() {
var (
namespace2 *v1.Namespace
err error
secret2Name = "projected-secret-test-" + string(uuid.NewUUID())
)
if namespace2, err = f.CreateNamespace("secret-namespace", nil); err != nil {
framework.Failf("unable to create new namespace %s: %v", namespace2.Name, err)
}
secret2 := secretForTest(namespace2.Name, secret2Name)
secret2.Data = map[string][]byte{
"this_should_not_match_content_of_other_secret": []byte("similarly_this_should_not_match_content_of_other_secret\n"),
}
if secret2, err = f.ClientSet.CoreV1().Secrets(namespace2.Name).Create(secret2); err != nil {
framework.Failf("unable to create test secret %s: %v", secret2.Name, err)
}
doProjectedSecretE2EWithoutMapping(f, nil /* default mode */, secret2.Name, nil, nil)
})
/*
Testname: projected-secret-multiple-volumes
Description: Make sure secrets works when mounted as two different
volumes on the same node.
*/
framework.ConformanceIt("should be consumable in multiple volumes in a pod", func() {
// This test ensures that the same secret can be mounted in multiple
// volumes in the same pod. This test case exists to prevent
// regressions that break this use-case.
var (
name = "projected-secret-test-" + string(uuid.NewUUID())
volumeName = "projected-secret-volume"
volumeMountPath = "/etc/projected-secret-volume"
volumeName2 = "projected-secret-volume-2"
volumeMountPath2 = "/etc/projected-secret-volume-2"
secret = secretForTest(f.Namespace.Name, name)
)
By(fmt.Sprintf("Creating secret with name %s", secret.Name))
var err error
if secret, err = f.ClientSet.CoreV1().Secrets(f.Namespace.Name).Create(secret); err != nil {
framework.Failf("unable to create test secret %s: %v", secret.Name, err)
}
pod := &v1.Pod{
ObjectMeta: metav1.ObjectMeta{
Name: "pod-projected-secrets-" + string(uuid.NewUUID()),
},
Spec: v1.PodSpec{
Volumes: []v1.Volume{
{
Name: volumeName,
VolumeSource: v1.VolumeSource{
Projected: &v1.ProjectedVolumeSource{
Sources: []v1.VolumeProjection{
{
Secret: &v1.SecretProjection{
LocalObjectReference: v1.LocalObjectReference{
Name: name,
},
},
},
},
},
},
},
{
Name: volumeName2,
VolumeSource: v1.VolumeSource{
Projected: &v1.ProjectedVolumeSource{
Sources: []v1.VolumeProjection{
{
Secret: &v1.SecretProjection{
LocalObjectReference: v1.LocalObjectReference{
Name: name,
},
},
},
},
},
},
},
},
Containers: []v1.Container{
{
Name: "secret-volume-test",
Image: mountImage,
Args: []string{
"--file_content=/etc/projected-secret-volume/data-1",
"--file_mode=/etc/projected-secret-volume/data-1"},
VolumeMounts: []v1.VolumeMount{
{
Name: volumeName,
MountPath: volumeMountPath,
ReadOnly: true,
},
{
Name: volumeName2,
MountPath: volumeMountPath2,
ReadOnly: true,
},
},
},
},
RestartPolicy: v1.RestartPolicyNever,
},
}
f.TestContainerOutput("consume secrets", pod, 0, []string{
"content of file \"/etc/projected-secret-volume/data-1\": value-1",
"mode of file \"/etc/projected-secret-volume/data-1\": -rw-r--r--",
})
})
/*
Testname: projected-secret-simple-optional
Description: Make sure secrets works when optional updates included.
*/
framework.ConformanceIt("optional updates should be reflected in volume", func() {
podLogTimeout := framework.GetPodSecretUpdateTimeout(f.ClientSet)
containerTimeoutArg := fmt.Sprintf("--retry_time=%v", int(podLogTimeout.Seconds()))
trueVal := true
volumeMountPath := "/etc/projected-secret-volumes"
deleteName := "s-test-opt-del-" + string(uuid.NewUUID())
deleteContainerName := "dels-volume-test"
deleteVolumeName := "deletes-volume"
deleteSecret := &v1.Secret{
ObjectMeta: metav1.ObjectMeta{
Namespace: f.Namespace.Name,
Name: deleteName,
},
Data: map[string][]byte{
"data-1": []byte("value-1"),
},
}
updateName := "s-test-opt-upd-" + string(uuid.NewUUID())
updateContainerName := "upds-volume-test"
updateVolumeName := "updates-volume"
updateSecret := &v1.Secret{
ObjectMeta: metav1.ObjectMeta{
Namespace: f.Namespace.Name,
Name: updateName,
},
Data: map[string][]byte{
"data-1": []byte("value-1"),
},
}
createName := "s-test-opt-create-" + string(uuid.NewUUID())
createContainerName := "creates-volume-test"
createVolumeName := "creates-volume"
createSecret := &v1.Secret{
ObjectMeta: metav1.ObjectMeta{
Namespace: f.Namespace.Name,
Name: createName,
},
Data: map[string][]byte{
"data-1": []byte("value-1"),
},
}
By(fmt.Sprintf("Creating secret with name %s", deleteSecret.Name))
var err error
if deleteSecret, err = f.ClientSet.CoreV1().Secrets(f.Namespace.Name).Create(deleteSecret); err != nil {
framework.Failf("unable to create test secret %s: %v", deleteSecret.Name, err)
}
By(fmt.Sprintf("Creating secret with name %s", updateSecret.Name))
if updateSecret, err = f.ClientSet.CoreV1().Secrets(f.Namespace.Name).Create(updateSecret); err != nil {
framework.Failf("unable to create test secret %s: %v", updateSecret.Name, err)
}
pod := &v1.Pod{
ObjectMeta: metav1.ObjectMeta{
Name: "pod-projected-secrets-" + string(uuid.NewUUID()),
},
Spec: v1.PodSpec{
Volumes: []v1.Volume{
{
Name: deleteVolumeName,
VolumeSource: v1.VolumeSource{
Projected: &v1.ProjectedVolumeSource{
Sources: []v1.VolumeProjection{
{
Secret: &v1.SecretProjection{
LocalObjectReference: v1.LocalObjectReference{
Name: deleteName,
},
Optional: &trueVal,
},
},
},
},
},
},
{
Name: updateVolumeName,
VolumeSource: v1.VolumeSource{
Projected: &v1.ProjectedVolumeSource{
Sources: []v1.VolumeProjection{
{
Secret: &v1.SecretProjection{
LocalObjectReference: v1.LocalObjectReference{
Name: updateName,
},
Optional: &trueVal,
},
},
},
},
},
},
{
Name: createVolumeName,
VolumeSource: v1.VolumeSource{
Projected: &v1.ProjectedVolumeSource{
Sources: []v1.VolumeProjection{
{
Secret: &v1.SecretProjection{
LocalObjectReference: v1.LocalObjectReference{
Name: createName,
},
Optional: &trueVal,
},
},
},
},
},
},
},
Containers: []v1.Container{
{
Name: deleteContainerName,
Image: mountImage,
Command: []string{"/mounttest", "--break_on_expected_content=false", containerTimeoutArg, "--file_content_in_loop=/etc/projected-secret-volumes/delete/data-1"},
VolumeMounts: []v1.VolumeMount{
{
Name: deleteVolumeName,
MountPath: path.Join(volumeMountPath, "delete"),
ReadOnly: true,
},
},
},
{
Name: updateContainerName,
Image: mountImage,
Command: []string{"/mounttest", "--break_on_expected_content=false", containerTimeoutArg, "--file_content_in_loop=/etc/projected-secret-volumes/update/data-3"},
VolumeMounts: []v1.VolumeMount{
{
Name: updateVolumeName,
MountPath: path.Join(volumeMountPath, "update"),
ReadOnly: true,
},
},
},
{
Name: createContainerName,
Image: mountImage,
Command: []string{"/mounttest", "--break_on_expected_content=false", containerTimeoutArg, "--file_content_in_loop=/etc/projected-secret-volumes/create/data-1"},
VolumeMounts: []v1.VolumeMount{
{
Name: createVolumeName,
MountPath: path.Join(volumeMountPath, "create"),
ReadOnly: true,
},
},
},
},
RestartPolicy: v1.RestartPolicyNever,
},
}
By("Creating the pod")
f.PodClient().CreateSync(pod)
pollCreateLogs := func() (string, error) {
return framework.GetPodLogs(f.ClientSet, f.Namespace.Name, pod.Name, createContainerName)
}
Eventually(pollCreateLogs, podLogTimeout, framework.Poll).Should(ContainSubstring("Error reading file /etc/projected-secret-volumes/create/data-1"))
pollUpdateLogs := func() (string, error) {
return framework.GetPodLogs(f.ClientSet, f.Namespace.Name, pod.Name, updateContainerName)
}
Eventually(pollUpdateLogs, podLogTimeout, framework.Poll).Should(ContainSubstring("Error reading file /etc/projected-secret-volumes/update/data-3"))
pollDeleteLogs := func() (string, error) {
return framework.GetPodLogs(f.ClientSet, f.Namespace.Name, pod.Name, deleteContainerName)
}
Eventually(pollDeleteLogs, podLogTimeout, framework.Poll).Should(ContainSubstring("value-1"))
By(fmt.Sprintf("Deleting secret %v", deleteSecret.Name))
err = f.ClientSet.CoreV1().Secrets(f.Namespace.Name).Delete(deleteSecret.Name, &metav1.DeleteOptions{})
Expect(err).NotTo(HaveOccurred(), "Failed to delete secret %q in namespace %q", deleteSecret.Name, f.Namespace.Name)
By(fmt.Sprintf("Updating secret %v", updateSecret.Name))
updateSecret.ResourceVersion = "" // to force update
delete(updateSecret.Data, "data-1")
updateSecret.Data["data-3"] = []byte("value-3")
_, err = f.ClientSet.CoreV1().Secrets(f.Namespace.Name).Update(updateSecret)
Expect(err).NotTo(HaveOccurred(), "Failed to update secret %q in namespace %q", updateSecret.Name, f.Namespace.Name)
By(fmt.Sprintf("Creating secret with name %s", createSecret.Name))
if createSecret, err = f.ClientSet.CoreV1().Secrets(f.Namespace.Name).Create(createSecret); err != nil {
framework.Failf("unable to create test secret %s: %v", createSecret.Name, err)
}
By("waiting to observe update in volume")
Eventually(pollCreateLogs, podLogTimeout, framework.Poll).Should(ContainSubstring("value-1"))
Eventually(pollUpdateLogs, podLogTimeout, framework.Poll).Should(ContainSubstring("value-3"))
Eventually(pollDeleteLogs, podLogTimeout, framework.Poll).Should(ContainSubstring("Error reading file /etc/projected-secret-volumes/delete/data-1"))
})
// Part 2/3 - ConfigMaps
/*
Testname: projected-volume-configMap-nomappings-succeeds
Description: Make sure that a projected volume with a configMap with
no mappings succeeds properly.
*/
framework.ConformanceIt("should be consumable from pods in volume", func() {
doProjectedConfigMapE2EWithoutMappings(f, 0, 0, nil)
})
/*
Testname: projected-volume-configMap-consumable-defaultMode
Description: Make sure that a projected volume configMap is consumable
with defaultMode set.
*/
framework.ConformanceIt("should be consumable from pods in volume with defaultMode set", func() {
defaultMode := int32(0400)
doProjectedConfigMapE2EWithoutMappings(f, 0, 0, &defaultMode)
})
It("should be consumable from pods in volume as non-root with defaultMode and fsGroup set [Feature:FSGroup]", func() {
defaultMode := int32(0440) /* setting fsGroup sets mode to at least 440 */
doProjectedConfigMapE2EWithoutMappings(f, 1000, 1001, &defaultMode)
})
/*
Testname: projected-volume-configMap-consumable-nonroot
Description: Make sure that a projected volume configMap is consumable
by a non-root userID.
*/
framework.ConformanceIt("should be consumable from pods in volume as non-root", func() {
doProjectedConfigMapE2EWithoutMappings(f, 1000, 0, nil)
})
It("should be consumable from pods in volume as non-root with FSGroup [Feature:FSGroup]", func() {
doProjectedConfigMapE2EWithoutMappings(f, 1000, 1001, nil)
})
/*
Testname: projected-configmap-simple-mapped
Description: Simplest projected ConfigMap test, by setting a config
map and mounting it to a volume with a custom path (mapping) on the
pod with no other settings and make sure the pod actually consumes it.
*/
framework.ConformanceIt("should be consumable from pods in volume with mappings", func() {
doProjectedConfigMapE2EWithMappings(f, 0, 0, nil)
})
/*
Testname: projected-secret-with-item-mode-mapped
Description: Repeat the projected-secret-simple-mapped but this time
with an item mode (e.g. 0400) for the secret map item
*/
framework.ConformanceIt("should be consumable from pods in volume with mappings and Item mode set", func() {
mode := int32(0400)
doProjectedConfigMapE2EWithMappings(f, 0, 0, &mode)
})
/*
Testname: projected-configmap-simpler-user-mapped
Description: Repeat the projected-config-map-simple-mapped but this
time with a user other than root.
*/
framework.ConformanceIt("should be consumable from pods in volume with mappings as non-root", func() {
doProjectedConfigMapE2EWithMappings(f, 1000, 0, nil)
})
It("should be consumable from pods in volume with mappings as non-root with FSGroup [Feature:FSGroup]", func() {
doProjectedConfigMapE2EWithMappings(f, 1000, 1001, nil)
})
/*
Testname: projected-volume-configMaps-updated-successfully
Description: Make sure that if a projected volume has configMaps,
that the values in these configMaps can be updated, deleted,
and created.
*/
framework.ConformanceIt("updates should be reflected in volume", func() {
podLogTimeout := framework.GetPodSecretUpdateTimeout(f.ClientSet)
containerTimeoutArg := fmt.Sprintf("--retry_time=%v", int(podLogTimeout.Seconds()))
name := "projected-configmap-test-upd-" + string(uuid.NewUUID())
volumeName := "projected-configmap-volume"
volumeMountPath := "/etc/projected-configmap-volume"
containerName := "projected-configmap-volume-test"
configMap := &v1.ConfigMap{
ObjectMeta: metav1.ObjectMeta{
Namespace: f.Namespace.Name,
Name: name,
},
Data: map[string]string{
"data-1": "value-1",
},
}
By(fmt.Sprintf("Creating projection with configMap that has name %s", configMap.Name))
var err error
if configMap, err = f.ClientSet.CoreV1().ConfigMaps(f.Namespace.Name).Create(configMap); err != nil {
framework.Failf("unable to create test configMap %s: %v", configMap.Name, err)
}
pod := &v1.Pod{
ObjectMeta: metav1.ObjectMeta{
Name: "pod-projected-configmaps-" + string(uuid.NewUUID()),
},
Spec: v1.PodSpec{
Volumes: []v1.Volume{
{
Name: volumeName,
VolumeSource: v1.VolumeSource{
Projected: &v1.ProjectedVolumeSource{
Sources: []v1.VolumeProjection{
{
ConfigMap: &v1.ConfigMapProjection{
LocalObjectReference: v1.LocalObjectReference{
Name: name,
},
},
},
},
},
},
},
},
Containers: []v1.Container{
{
Name: containerName,
Image: mountImage,
Command: []string{"/mounttest", "--break_on_expected_content=false", containerTimeoutArg, "--file_content_in_loop=/etc/projected-configmap-volume/data-1"},
VolumeMounts: []v1.VolumeMount{
{
Name: volumeName,
MountPath: volumeMountPath,
ReadOnly: true,
},
},
},
},
RestartPolicy: v1.RestartPolicyNever,
},
}
By("Creating the pod")
f.PodClient().CreateSync(pod)
pollLogs := func() (string, error) {
return framework.GetPodLogs(f.ClientSet, 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.ClientSet.CoreV1().ConfigMaps(f.Namespace.Name).Update(configMap)
Expect(err).NotTo(HaveOccurred(), "Failed to update configmap %q in namespace %q", configMap.Name, f.Namespace.Name)
By("waiting to observe update in volume")
Eventually(pollLogs, podLogTimeout, framework.Poll).Should(ContainSubstring("value-2"))
})
/*
Testname: projected-volume-optional-configMaps-updated-successfully
Description: Make sure that if a projected volume has optional
configMaps, that the values in these configMaps can be updated,
deleted, and created.
*/
framework.ConformanceIt("optional updates should be reflected in volume", func() {
podLogTimeout := framework.GetPodSecretUpdateTimeout(f.ClientSet)
containerTimeoutArg := fmt.Sprintf("--retry_time=%v", int(podLogTimeout.Seconds()))
trueVal := true
volumeMountPath := "/etc/projected-configmap-volumes"
deleteName := "cm-test-opt-del-" + string(uuid.NewUUID())
deleteContainerName := "delcm-volume-test"
deleteVolumeName := "deletecm-volume"
deleteConfigMap := &v1.ConfigMap{
ObjectMeta: metav1.ObjectMeta{
Namespace: f.Namespace.Name,
Name: deleteName,
},
Data: map[string]string{
"data-1": "value-1",
},
}
updateName := "cm-test-opt-upd-" + string(uuid.NewUUID())
updateContainerName := "updcm-volume-test"
updateVolumeName := "updatecm-volume"
updateConfigMap := &v1.ConfigMap{
ObjectMeta: metav1.ObjectMeta{
Namespace: f.Namespace.Name,
Name: updateName,
},
Data: map[string]string{
"data-1": "value-1",
},
}
createName := "cm-test-opt-create-" + string(uuid.NewUUID())
createContainerName := "createcm-volume-test"
createVolumeName := "createcm-volume"
createConfigMap := &v1.ConfigMap{
ObjectMeta: metav1.ObjectMeta{
Namespace: f.Namespace.Name,
Name: createName,
},
Data: map[string]string{
"data-1": "value-1",
},
}
By(fmt.Sprintf("Creating configMap with name %s", deleteConfigMap.Name))
var err error
if deleteConfigMap, err = f.ClientSet.CoreV1().ConfigMaps(f.Namespace.Name).Create(deleteConfigMap); err != nil {
framework.Failf("unable to create test configMap %s: %v", deleteConfigMap.Name, err)
}
By(fmt.Sprintf("Creating configMap with name %s", updateConfigMap.Name))
if updateConfigMap, err = f.ClientSet.CoreV1().ConfigMaps(f.Namespace.Name).Create(updateConfigMap); err != nil {
framework.Failf("unable to create test configMap %s: %v", updateConfigMap.Name, err)
}
pod := &v1.Pod{
ObjectMeta: metav1.ObjectMeta{
Name: "pod-projected-configmaps-" + string(uuid.NewUUID()),
},
Spec: v1.PodSpec{
Volumes: []v1.Volume{
{
Name: deleteVolumeName,
VolumeSource: v1.VolumeSource{
Projected: &v1.ProjectedVolumeSource{
Sources: []v1.VolumeProjection{
{
ConfigMap: &v1.ConfigMapProjection{
LocalObjectReference: v1.LocalObjectReference{
Name: deleteName,
},
Optional: &trueVal,
},
},
},
},
},
},
{
Name: updateVolumeName,
VolumeSource: v1.VolumeSource{
Projected: &v1.ProjectedVolumeSource{
Sources: []v1.VolumeProjection{
{
ConfigMap: &v1.ConfigMapProjection{
LocalObjectReference: v1.LocalObjectReference{
Name: updateName,
},
Optional: &trueVal,
},
},
},
},
},
},
{
Name: createVolumeName,
VolumeSource: v1.VolumeSource{
Projected: &v1.ProjectedVolumeSource{
Sources: []v1.VolumeProjection{
{
ConfigMap: &v1.ConfigMapProjection{
LocalObjectReference: v1.LocalObjectReference{
Name: createName,
},
Optional: &trueVal,
},
},
},
},
},
},
},
Containers: []v1.Container{
{
Name: deleteContainerName,
Image: mountImage,
Command: []string{"/mounttest", "--break_on_expected_content=false", containerTimeoutArg, "--file_content_in_loop=/etc/projected-configmap-volumes/delete/data-1"},
VolumeMounts: []v1.VolumeMount{
{
Name: deleteVolumeName,
MountPath: path.Join(volumeMountPath, "delete"),
ReadOnly: true,
},
},
},
{
Name: updateContainerName,
Image: mountImage,
Command: []string{"/mounttest", "--break_on_expected_content=false", containerTimeoutArg, "--file_content_in_loop=/etc/projected-configmap-volumes/update/data-3"},
VolumeMounts: []v1.VolumeMount{
{
Name: updateVolumeName,
MountPath: path.Join(volumeMountPath, "update"),
ReadOnly: true,
},
},
},
{
Name: createContainerName,
Image: mountImage,
Command: []string{"/mounttest", "--break_on_expected_content=false", containerTimeoutArg, "--file_content_in_loop=/etc/projected-configmap-volumes/create/data-1"},
VolumeMounts: []v1.VolumeMount{
{
Name: createVolumeName,
MountPath: path.Join(volumeMountPath, "create"),
ReadOnly: true,
},
},
},
},
RestartPolicy: v1.RestartPolicyNever,
},
}
By("Creating the pod")
f.PodClient().CreateSync(pod)
pollCreateLogs := func() (string, error) {
return framework.GetPodLogs(f.ClientSet, f.Namespace.Name, pod.Name, createContainerName)
}
Eventually(pollCreateLogs, podLogTimeout, framework.Poll).Should(ContainSubstring("Error reading file /etc/projected-configmap-volumes/create/data-1"))
pollUpdateLogs := func() (string, error) {
return framework.GetPodLogs(f.ClientSet, f.Namespace.Name, pod.Name, updateContainerName)
}
Eventually(pollUpdateLogs, podLogTimeout, framework.Poll).Should(ContainSubstring("Error reading file /etc/projected-configmap-volumes/update/data-3"))
pollDeleteLogs := func() (string, error) {
return framework.GetPodLogs(f.ClientSet, f.Namespace.Name, pod.Name, deleteContainerName)
}
Eventually(pollDeleteLogs, podLogTimeout, framework.Poll).Should(ContainSubstring("value-1"))
By(fmt.Sprintf("Deleting configmap %v", deleteConfigMap.Name))
err = f.ClientSet.CoreV1().ConfigMaps(f.Namespace.Name).Delete(deleteConfigMap.Name, &metav1.DeleteOptions{})
Expect(err).NotTo(HaveOccurred(), "Failed to delete configmap %q in namespace %q", deleteConfigMap.Name, f.Namespace.Name)
By(fmt.Sprintf("Updating configmap %v", updateConfigMap.Name))
updateConfigMap.ResourceVersion = "" // to force update
delete(updateConfigMap.Data, "data-1")
updateConfigMap.Data["data-3"] = "value-3"
_, err = f.ClientSet.CoreV1().ConfigMaps(f.Namespace.Name).Update(updateConfigMap)
Expect(err).NotTo(HaveOccurred(), "Failed to update configmap %q in namespace %q", updateConfigMap.Name, f.Namespace.Name)
By(fmt.Sprintf("Creating configMap with name %s", createConfigMap.Name))
if createConfigMap, err = f.ClientSet.CoreV1().ConfigMaps(f.Namespace.Name).Create(createConfigMap); err != nil {
framework.Failf("unable to create test configMap %s: %v", createConfigMap.Name, err)
}
By("waiting to observe update in volume")
Eventually(pollCreateLogs, podLogTimeout, framework.Poll).Should(ContainSubstring("value-1"))
Eventually(pollUpdateLogs, podLogTimeout, framework.Poll).Should(ContainSubstring("value-3"))
Eventually(pollDeleteLogs, podLogTimeout, framework.Poll).Should(ContainSubstring("Error reading file /etc/projected-configmap-volumes/delete/data-1"))
})
/*
Testname: projected-configmap-multiple-volumes
Description: Make sure config map works when it mounted as two
different volumes on the same node.
*/
framework.ConformanceIt("should be consumable in multiple volumes in the same pod", func() {
var (
name = "projected-configmap-test-volume-" + string(uuid.NewUUID())
volumeName = "projected-configmap-volume"
volumeMountPath = "/etc/projected-configmap-volume"
volumeName2 = "projected-configmap-volume-2"
volumeMountPath2 = "/etc/projected-configmap-volume-2"
configMap = newConfigMap(f, name)
)
By(fmt.Sprintf("Creating configMap with name %s", configMap.Name))
var err error
if configMap, err = f.ClientSet.CoreV1().ConfigMaps(f.Namespace.Name).Create(configMap); err != nil {
framework.Failf("unable to create test configMap %s: %v", configMap.Name, err)
}
pod := &v1.Pod{
ObjectMeta: metav1.ObjectMeta{
Name: "pod-projected-configmaps-" + string(uuid.NewUUID()),
},
Spec: v1.PodSpec{
Volumes: []v1.Volume{
{
Name: volumeName,
VolumeSource: v1.VolumeSource{
Projected: &v1.ProjectedVolumeSource{
Sources: []v1.VolumeProjection{
{
ConfigMap: &v1.ConfigMapProjection{
LocalObjectReference: v1.LocalObjectReference{
Name: name,
},
},
},
},
},
},
},
{
Name: volumeName2,
VolumeSource: v1.VolumeSource{
Projected: &v1.ProjectedVolumeSource{
Sources: []v1.VolumeProjection{
{
ConfigMap: &v1.ConfigMapProjection{
LocalObjectReference: v1.LocalObjectReference{
Name: name,
},
},
},
},
},
},
},
},
Containers: []v1.Container{
{
Name: "projected-configmap-volume-test",
Image: mountImage,
Args: []string{"--file_content=/etc/projected-configmap-volume/data-1"},
VolumeMounts: []v1.VolumeMount{
{
Name: volumeName,
MountPath: volumeMountPath,
ReadOnly: true,
},
{
Name: volumeName2,
MountPath: volumeMountPath2,
ReadOnly: true,
},
},
},
},
RestartPolicy: v1.RestartPolicyNever,
},
}
f.TestContainerOutput("consume configMaps", pod, 0, []string{
"content of file \"/etc/projected-configmap-volume/data-1\": value-1",
})
})
// Part 3/3 - DownwardAPI
// How long to wait for a log pod to be displayed
const podLogTimeout = 2 * time.Minute
var podClient *framework.PodClient
BeforeEach(func() {
podClient = f.PodClient()
})
/*
Testname: projected-downwardapi-volume-podname
Description: Ensure that downward API can provide pod's name through
DownwardAPIVolumeFiles in a projected volume.
*/
framework.ConformanceIt("should provide podname only", func() {
podName := "downwardapi-volume-" + string(uuid.NewUUID())
pod := downwardAPIVolumePodForSimpleTest(podName, "/etc/podinfo/podname")
f.TestContainerOutput("downward API volume plugin", pod, 0, []string{
fmt.Sprintf("%s\n", podName),
})
})
/*
Testname: projected-downwardapi-volume-set-default-mode
Description: Ensure that downward API can set default file permission
mode for DownwardAPIVolumeFiles if no mode is specified in a projected
volume.
*/
framework.ConformanceIt("should set DefaultMode on files", func() {
podName := "downwardapi-volume-" + string(uuid.NewUUID())
defaultMode := int32(0400)
pod := projectedDownwardAPIVolumePodForModeTest(podName, "/etc/podinfo/podname", nil, &defaultMode)
f.TestContainerOutput("downward API volume plugin", pod, 0, []string{
"mode of file \"/etc/podinfo/podname\": -r--------",
})
})
/*
Testname: projected-downwardapi-volume-set-mode
Description: Ensure that downward API can set file permission mode for
DownwardAPIVolumeFiles in a projected volume.
*/
framework.ConformanceIt("should set mode on item file", func() {
podName := "downwardapi-volume-" + string(uuid.NewUUID())
mode := int32(0400)
pod := projectedDownwardAPIVolumePodForModeTest(podName, "/etc/podinfo/podname", &mode, nil)
f.TestContainerOutput("downward API volume plugin", pod, 0, []string{
"mode of file \"/etc/podinfo/podname\": -r--------",
})
})
It("should provide podname as non-root with fsgroup [Feature:FSGroup]", func() {
podName := "metadata-volume-" + string(uuid.NewUUID())
uid := int64(1001)
gid := int64(1234)
pod := downwardAPIVolumePodForSimpleTest(podName, "/etc/podinfo/podname")
pod.Spec.SecurityContext = &v1.PodSecurityContext{
RunAsUser: &uid,
FSGroup: &gid,
}
f.TestContainerOutput("downward API volume plugin", pod, 0, []string{
fmt.Sprintf("%s\n", podName),
})
})
It("should provide podname as non-root with fsgroup and defaultMode [Feature:FSGroup]", func() {
podName := "metadata-volume-" + string(uuid.NewUUID())
uid := int64(1001)
gid := int64(1234)
mode := int32(0440) /* setting fsGroup sets mode to at least 440 */
pod := projectedDownwardAPIVolumePodForModeTest(podName, "/etc/podinfo/podname", &mode, nil)
pod.Spec.SecurityContext = &v1.PodSecurityContext{
RunAsUser: &uid,
FSGroup: &gid,
}
f.TestContainerOutput("downward API volume plugin", pod, 0, []string{
"mode of file \"/etc/podinfo/podname\": -r--r-----",
})
})
/*
Testname: projected-downwardapi-volume-update-label
Description: Ensure that downward API updates labels in
DownwardAPIVolumeFiles when pod's labels get modified in a projected
volume.
*/
framework.ConformanceIt("should update labels on modification", func() {
labels := map[string]string{}
labels["key1"] = "value1"
labels["key2"] = "value2"
podName := "labelsupdate" + string(uuid.NewUUID())
pod := projectedDownwardAPIVolumePodForUpdateTest(podName, labels, map[string]string{}, "/etc/podinfo/labels")
containerName := "client-container"
By("Creating the pod")
podClient.CreateSync(pod)
Eventually(func() (string, error) {
return framework.GetPodLogs(f.ClientSet, f.Namespace.Name, podName, containerName)
},
podLogTimeout, framework.Poll).Should(ContainSubstring("key1=\"value1\"\n"))
//modify labels
podClient.Update(podName, func(pod *v1.Pod) {
pod.Labels["key3"] = "value3"
})
Eventually(func() (string, error) {
return framework.GetPodLogs(f.ClientSet, f.Namespace.Name, pod.Name, containerName)
},
podLogTimeout, framework.Poll).Should(ContainSubstring("key3=\"value3\"\n"))
})
/*
Testname: projected-downwardapi-volume-update-annotation
Description: Ensure that downward API updates annotations in
DownwardAPIVolumeFiles when pod's annotations get modified in a
projected volume.
*/
framework.ConformanceIt("should update annotations on modification", func() {
annotations := map[string]string{}
annotations["builder"] = "bar"
podName := "annotationupdate" + string(uuid.NewUUID())
pod := projectedDownwardAPIVolumePodForUpdateTest(podName, map[string]string{}, annotations, "/etc/podinfo/annotations")
containerName := "client-container"
By("Creating the pod")
podClient.CreateSync(pod)
pod, err := podClient.Get(pod.Name, metav1.GetOptions{})
Expect(err).NotTo(HaveOccurred(), "Failed to get pod %q", pod.Name)
Eventually(func() (string, error) {
return framework.GetPodLogs(f.ClientSet, f.Namespace.Name, pod.Name, containerName)
},
podLogTimeout, framework.Poll).Should(ContainSubstring("builder=\"bar\"\n"))
//modify annotations
podClient.Update(podName, func(pod *v1.Pod) {
pod.Annotations["builder"] = "foo"
})
Eventually(func() (string, error) {
return framework.GetPodLogs(f.ClientSet, f.Namespace.Name, pod.Name, containerName)
},