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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"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/util/uuid"
"k8s.io/kubernetes/pkg/api/v1"
"k8s.io/kubernetes/test/e2e/framework"
. "github.com/onsi/ginkgo"
. "github.com/onsi/gomega"
)
var _ = framework.KubeDescribe("Projected", func() {
// Part 1/3 - Secrets
f := framework.NewDefaultFramework("projected")
It("should be consumable from pods in volume [Conformance] [Volume]", func() {
doProjectedSecretE2EWithoutMapping(f, nil /* default mode */, "projected-secret-test-"+string(uuid.NewUUID()), nil, nil)
})
It("should be consumable from pods in volume with defaultMode set [Conformance] [Volume]", func() {
defaultMode := int32(0400)
doProjectedSecretE2EWithoutMapping(f, &defaultMode, "projected-secret-test-"+string(uuid.NewUUID()), nil, nil)
})
It("should be consumable from pods in volume as non-root with defaultMode and fsGroup set [Conformance] [Volume]", 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)
})
It("should be consumable from pods in volume with mappings [Conformance] [Volume]", func() {
doProjectedSecretE2EWithMapping(f, nil)
})
It("should be consumable from pods in volume with mappings and Item Mode set [Conformance] [Volume]", 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 [Volume]", 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.Core().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)
})
It("should be consumable in multiple volumes in a pod [Conformance] [Volume]", 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.Core().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: "gcr.io/google_containers/mounttest:0.8",
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--",
})
})
It("optional updates should be reflected in volume [Conformance] [Volume]", func() {
// With SecretManager, we may have to wait up to full sync period + TTL of
// a secret to elapse before the Kubelet projects the update into the volume
// and the container picks it ip.
// This timeout is based on default Kubelet sync period (1 minute) plus
// maximum secret TTL (based on cluster size) plus additional time for fudge
// factor.
nodes, err := f.ClientSet.Core().Nodes().List(metav1.ListOptions{})
framework.ExpectNoError(err)
// Since TTL the kubelet is using are stored in node object, for the timeout
// purpose we take it from a first node (all of them should be the same).
// We take the TTL from the first node.
secretTTL, exists := framework.GetTTLAnnotationFromNode(&nodes.Items[0])
if !exists {
framework.Logf("Couldn't get ttl annotation from: %#v", nodes.Items[0])
}
podLogTimeout := 240*time.Second + secretTTL
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))
if deleteSecret, err = f.ClientSet.Core().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.Core().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: "gcr.io/google_containers/mounttest:0.8",
Command: []string{"/mt", "--break_on_expected_content=false", "--retry_time=120", "--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: "gcr.io/google_containers/mounttest:0.8",
Command: []string{"/mt", "--break_on_expected_content=false", "--retry_time=120", "--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: "gcr.io/google_containers/mounttest:0.8",
Command: []string{"/mt", "--break_on_expected_content=false", "--retry_time=120", "--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.Core().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.Core().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.Core().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
It("should be consumable from pods in volume [Conformance] [Volume]", func() {
doProjectedConfigMapE2EWithoutMappings(f, 0, 0, nil)
})
It("should be consumable from pods in volume with defaultMode set [Conformance] [Volume]", 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] [Volume]", func() {
defaultMode := int32(0440) /* setting fsGroup sets mode to at least 440 */
doProjectedConfigMapE2EWithoutMappings(f, 1000, 1001, &defaultMode)
})
It("should be consumable from pods in volume as non-root [Conformance] [Volume]", func() {
doProjectedConfigMapE2EWithoutMappings(f, 1000, 0, nil)
})
It("should be consumable from pods in volume as non-root with FSGroup [Feature:FSGroup] [Volume]", func() {
doProjectedConfigMapE2EWithoutMappings(f, 1000, 1001, nil)
})
It("should be consumable from pods in volume with mappings [Conformance] [Volume]", func() {
doProjectedConfigMapE2EWithMappings(f, 0, 0, nil)
})
It("should be consumable from pods in volume with mappings and Item mode set[Conformance] [Volume]", func() {
mode := int32(0400)
doProjectedConfigMapE2EWithMappings(f, 0, 0, &mode)
})
It("should be consumable from pods in volume with mappings as non-root [Conformance] [Volume]", func() {
doProjectedConfigMapE2EWithMappings(f, 1000, 0, nil)
})
It("should be consumable from pods in volume with mappings as non-root with FSGroup [Feature:FSGroup] [Volume]", func() {
doProjectedConfigMapE2EWithMappings(f, 1000, 1001, nil)
})
It("updates should be reflected in volume [Conformance] [Volume]", 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 := "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.Core().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: "gcr.io/google_containers/mounttest:0.8",
Command: []string{"/mt", "--break_on_expected_content=false", "--retry_time=120", "--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.Core().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"))
})
It("optional updates should be reflected in volume [Conformance] [Volume]", 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
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.Core().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.Core().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: "gcr.io/google_containers/mounttest:0.8",
Command: []string{"/mt", "--break_on_expected_content=false", "--retry_time=120", "--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: "gcr.io/google_containers/mounttest:0.8",
Command: []string{"/mt", "--break_on_expected_content=false", "--retry_time=120", "--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: "gcr.io/google_containers/mounttest:0.8",
Command: []string{"/mt", "--break_on_expected_content=false", "--retry_time=120", "--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.Core().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.Core().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.Core().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"))
})
It("should be consumable in multiple volumes in the same pod [Conformance] [Volume]", 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.Core().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: "gcr.io/google_containers/mounttest:0.8",
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()
})
It("should provide podname only [Conformance] [Volume]", func() {
podName := "downwardapi-volume-" + string(uuid.NewUUID())
pod := downwardAPIVolumePodForSimpleTest(podName, "/etc/podname")
f.TestContainerOutput("downward API volume plugin", pod, 0, []string{
fmt.Sprintf("%s\n", podName),
})
})
It("should set DefaultMode on files [Conformance] [Volume]", func() {
podName := "downwardapi-volume-" + string(uuid.NewUUID())
defaultMode := int32(0400)
pod := projectedDownwardAPIVolumePodForModeTest(podName, "/etc/podname", nil, &defaultMode)
f.TestContainerOutput("downward API volume plugin", pod, 0, []string{
"mode of file \"/etc/podname\": -r--------",
})
})
It("should set mode on item file [Conformance] [Volume]", func() {
podName := "downwardapi-volume-" + string(uuid.NewUUID())
mode := int32(0400)
pod := projectedDownwardAPIVolumePodForModeTest(podName, "/etc/podname", &mode, nil)
f.TestContainerOutput("downward API volume plugin", pod, 0, []string{
"mode of file \"/etc/podname\": -r--------",
})
})
It("should provide podname as non-root with fsgroup [Feature:FSGroup] [Volume]", func() {
podName := "metadata-volume-" + string(uuid.NewUUID())
uid := int64(1001)
gid := int64(1234)
pod := downwardAPIVolumePodForSimpleTest(podName, "/etc/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] [Volume]", 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/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/podname\": -r--r-----",
})
})
It("should update labels on modification [Conformance] [Volume]", func() {
labels := map[string]string{}
labels["key1"] = "value1"
labels["key2"] = "value2"
podName := "labelsupdate" + string(uuid.NewUUID())
pod := projectedDownwardAPIVolumePodForUpdateTest(podName, labels, map[string]string{}, "/etc/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"))
})
It("should update annotations on modification [Conformance] [Volume]", func() {
annotations := map[string]string{}
annotations["builder"] = "bar"
podName := "annotationupdate" + string(uuid.NewUUID())
pod := projectedDownwardAPIVolumePodForUpdateTest(podName, map[string]string{}, annotations, "/etc/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)
},
podLogTimeout, framework.Poll).Should(ContainSubstring("builder=\"foo\"\n"))
})
It("should provide container's cpu limit [Conformance] [Volume]", func() {
podName := "downwardapi-volume-" + string(uuid.NewUUID())
pod := downwardAPIVolumeForContainerResources(podName, "/etc/cpu_limit")
f.TestContainerOutput("downward API volume plugin", pod, 0, []string{
fmt.Sprintf("2\n"),
})
})
It("should provide container's memory limit [Conformance] [Volume]", func() {
podName := "downwardapi-volume-" + string(uuid.NewUUID())
pod := downwardAPIVolumeForContainerResources(podName, "/etc/memory_limit")
f.TestContainerOutput("downward API volume plugin", pod, 0, []string{
fmt.Sprintf("67108864\n"),
})
})
It("should provide container's cpu request [Conformance] [Volume]", func() {
podName := "downwardapi-volume-" + string(uuid.NewUUID())
pod := downwardAPIVolumeForContainerResources(podName, "/etc/cpu_request")
f.TestContainerOutput("downward API volume plugin", pod, 0, []string{
fmt.Sprintf("1\n"),
})
})
It("should provide container's memory request [Conformance] [Volume]", func() {
podName := "downwardapi-volume-" + string(uuid.NewUUID())
pod := downwardAPIVolumeForContainerResources(podName, "/etc/memory_request")
f.TestContainerOutput("downward API volume plugin", pod, 0, []string{
fmt.Sprintf("33554432\n"),
})
})
It("should provide node allocatable (cpu) as default cpu limit if the limit is not set [Conformance] [Volume]", func() {
podName := "downwardapi-volume-" + string(uuid.NewUUID())
pod := downwardAPIVolumeForDefaultContainerResources(podName, "/etc/cpu_limit")
f.TestContainerOutputRegexp("downward API volume plugin", pod, 0, []string{"[1-9]"})
})
It("should provide node allocatable (memory) as default memory limit if the limit is not set [Conformance] [Volume]", func() {
podName := "downwardapi-volume-" + string(uuid.NewUUID())
pod := downwardAPIVolumeForDefaultContainerResources(podName, "/etc/memory_limit")
f.TestContainerOutputRegexp("downward API volume plugin", pod, 0, []string{"[1-9]"})
})
// Test multiple projections
It("should project all components that make up the projection API [Conformance] [Volume] [Projection]", func() {
var err error
podName := "projected-volume-" + string(uuid.NewUUID())
secretName := "secret-projected-all-test-volume-" + string(uuid.NewUUID())
configMapName := "configmap-projected-all-test-volume-" + string(uuid.NewUUID())
configMap := &v1.ConfigMap{
ObjectMeta: metav1.ObjectMeta{
Namespace: f.Namespace.Name,
Name: configMapName,
},
Data: map[string]string{
"configmap-data": "configmap-value-1",
},
}
secret := &v1.Secret{
ObjectMeta: metav1.ObjectMeta{
Namespace: f.Namespace.Name,
Name: secretName,
},
Data: map[string][]byte{
"secret-data": []byte("secret-value-1"),
},
}
By(fmt.Sprintf("Creating configMap with name %s", configMap.Name))
if configMap, err = f.ClientSet.Core().ConfigMaps(f.Namespace.Name).Create(configMap); err != nil {
framework.Failf("unable to create test configMap %s: %v", configMap.Name, err)
}
By(fmt.Sprintf("Creating secret with name %s", secret.Name))
if secret, err = f.ClientSet.Core().Secrets(f.Namespace.Name).Create(secret); err != nil {
framework.Failf("unable to create test secret %s: %v", secret.Name, err)