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test/e2e: Reduce need to use local kubectl

Browse Source 
Use POST method instead of running local kubectl.
Use ExecCommandInContainerWithFullOutput() instead of RunKubectl().
PodExec() takes additional framework arg, passed down in call chain.
VerifyExecInPodFail uses different error code cast as original
one causes test code Panic if used with new call method.
This commit is contained in:
Olev Kartau 2019-10-17 13:50:04 +03:00
parent 5dc87d2919
commit 2fac3f2c20
11 changed files with 99 additions and 97 deletions
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6
test/e2e/common/volumes.go
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@ -91,7 +91,7 @@ var _ = ginkgo.Describe("[sig-storage] GCP Volumes", func() {
} }
// Must match content of test/images/volumes-tester/nfs/index.html // Must match content of test/images/volumes-tester/nfs/index.html
volume.TestVolumeClient(c, config, nil, "" /* fsType */, tests) volume.TestVolumeClient(f, c, config, nil, "" /* fsType */, tests)
}) })
}) })
@ -114,7 +114,7 @@ var _ = ginkgo.Describe("[sig-storage] GCP Volumes", func() {
}, },
} }
// Must match content of test/images/volume-tester/nfs/index.html // Must match content of test/images/volume-tester/nfs/index.html
volume.TestVolumeClient(c, config, nil, "" /* fsType */, tests) volume.TestVolumeClient(f, c, config, nil, "" /* fsType */, tests)
}) })
}) })
@ -147,7 +147,7 @@ var _ = ginkgo.Describe("[sig-storage] GCP Volumes", func() {
ExpectedContent: "Hello from GlusterFS!", ExpectedContent: "Hello from GlusterFS!",
}, },
} }
volume.TestVolumeClient(c, config, nil, "" /* fsType */, tests) volume.TestVolumeClient(f, c, config, nil, "" /* fsType */, tests)
}) })
}) })
}) })

14
test/e2e/framework/volume/fixtures.go
View File

@ -528,7 +528,7 @@ func runVolumeTesterPod(client clientset.Interface, config TestConfig, podSuffix
return clientPod, nil return clientPod, nil
} }
func testVolumeContent(client clientset.Interface, pod *v1.Pod, fsGroup *int64, fsType string, tests []Test) { func testVolumeContent(f *framework.Framework, client clientset.Interface, pod *v1.Pod, fsGroup *int64, fsType string, tests []Test) {
ginkgo.By("Checking that text file contents are perfect.") ginkgo.By("Checking that text file contents are perfect.")
for i, test := range tests { for i, test := range tests {
if test.Mode == v1.PersistentVolumeBlock { if test.Mode == v1.PersistentVolumeBlock {
@ -539,7 +539,7 @@ func testVolumeContent(client clientset.Interface, pod *v1.Pod, fsGroup *int64,
framework.ExpectNoError(err, "failed: finding the contents of the block device %s.", deviceName) framework.ExpectNoError(err, "failed: finding the contents of the block device %s.", deviceName)
// Check that it's a real block device // Check that it's a real block device
utils.CheckVolumeModeOfPath(pod, test.Mode, deviceName) utils.CheckVolumeModeOfPath(f, pod, test.Mode, deviceName)
} else { } else {
// Filesystem: check content // Filesystem: check content
fileName := fmt.Sprintf("/opt/%d/%s", i, test.File) fileName := fmt.Sprintf("/opt/%d/%s", i, test.File)
@ -549,7 +549,7 @@ func testVolumeContent(client clientset.Interface, pod *v1.Pod, fsGroup *int64,
// Check that a directory has been mounted // Check that a directory has been mounted
dirName := filepath.Dir(fileName) dirName := filepath.Dir(fileName)
utils.CheckVolumeModeOfPath(pod, test.Mode, dirName) utils.CheckVolumeModeOfPath(f, pod, test.Mode, dirName)
if !framework.NodeOSDistroIs("windows") { if !framework.NodeOSDistroIs("windows") {
// Filesystem: check fsgroup // Filesystem: check fsgroup
@ -574,20 +574,20 @@ func testVolumeContent(client clientset.Interface, pod *v1.Pod, fsGroup *int64,
// and check that the pod sees expected data, e.g. from the server pod. // and check that the pod sees expected data, e.g. from the server pod.
// Multiple Tests can be specified to mount multiple volumes to a single // Multiple Tests can be specified to mount multiple volumes to a single
// pod. // pod.
func TestVolumeClient(client clientset.Interface, config TestConfig, fsGroup *int64, fsType string, tests []Test) { func TestVolumeClient(f *framework.Framework, client clientset.Interface, config TestConfig, fsGroup *int64, fsType string, tests []Test) {
clientPod, err := runVolumeTesterPod(client, config, "client", false, fsGroup, tests) clientPod, err := runVolumeTesterPod(client, config, "client", false, fsGroup, tests)
if err != nil { if err != nil {
framework.Failf("Failed to create client pod: %v", err) framework.Failf("Failed to create client pod: %v", err)
} }
framework.ExpectNoError(e2epod.WaitForPodRunningInNamespace(client, clientPod)) framework.ExpectNoError(e2epod.WaitForPodRunningInNamespace(client, clientPod))
testVolumeContent(client, clientPod, fsGroup, fsType, tests) testVolumeContent(f, client, clientPod, fsGroup, fsType, tests)
} }
// InjectContent inserts index.html with given content into given volume. It does so by // InjectContent inserts index.html with given content into given volume. It does so by
// starting and auxiliary pod which writes the file there. // starting and auxiliary pod which writes the file there.
// The volume must be writable. // The volume must be writable.
func InjectContent(client clientset.Interface, config TestConfig, fsGroup *int64, fsType string, tests []Test) { func InjectContent(f *framework.Framework, client clientset.Interface, config TestConfig, fsGroup *int64, fsType string, tests []Test) {
privileged := true privileged := true
if framework.NodeOSDistroIs("windows") { if framework.NodeOSDistroIs("windows") {
privileged = false privileged = false
@ -621,7 +621,7 @@ func InjectContent(client clientset.Interface, config TestConfig, fsGroup *int64
// Check that the data have been really written in this pod. // Check that the data have been really written in this pod.
// This tests non-persistent volume types // This tests non-persistent volume types
testVolumeContent(client, injectorPod, fsGroup, fsType, tests) testVolumeContent(f, client, injectorPod, fsGroup, fsType, tests)
} }
// CreateGCEVolume creates PersistentVolumeSource for GCEVolume. // CreateGCEVolume creates PersistentVolumeSource for GCEVolume.

2
test/e2e/storage/flexvolume.go
View File

@ -62,7 +62,7 @@ func testFlexVolume(driver string, cs clientset.Interface, config volume.TestCon
ExpectedContent: "Hello from flexvolume!", ExpectedContent: "Hello from flexvolume!",
}, },
} }
volume.TestVolumeClient(cs, config, nil, "" /* fsType */, tests) volume.TestVolumeClient(f, cs, config, nil, "" /* fsType */, tests)
volume.TestCleanup(f, config) volume.TestCleanup(f, config)
} }

40
test/e2e/storage/persistent_volumes-local.go
View File

@ -215,7 +215,7 @@ var _ = utils.SIGDescribe("PersistentVolumes-local ", func() {
writeCmd := createWriteCmd(volumeDir, testFile, testFileContent, testVol.localVolumeType) writeCmd := createWriteCmd(volumeDir, testFile, testFileContent, testVol.localVolumeType)
ginkgo.By("Writing in pod1") ginkgo.By("Writing in pod1")
podRWCmdExec(pod1, writeCmd) podRWCmdExec(f, pod1, writeCmd)
}) })
ginkgo.AfterEach(func() { ginkgo.AfterEach(func() {
@ -226,28 +226,28 @@ var _ = utils.SIGDescribe("PersistentVolumes-local ", func() {
ginkgo.It("should be able to mount volume and read from pod1", func() { ginkgo.It("should be able to mount volume and read from pod1", func() {
ginkgo.By("Reading in pod1") ginkgo.By("Reading in pod1")
// testFileContent was written in BeforeEach // testFileContent was written in BeforeEach
testReadFileContent(volumeDir, testFile, testFileContent, pod1, testVolType) testReadFileContent(f, volumeDir, testFile, testFileContent, pod1, testVolType)
}) })
ginkgo.It("should be able to mount volume and write from pod1", func() { ginkgo.It("should be able to mount volume and write from pod1", func() {
// testFileContent was written in BeforeEach // testFileContent was written in BeforeEach
testReadFileContent(volumeDir, testFile, testFileContent, pod1, testVolType) testReadFileContent(f, volumeDir, testFile, testFileContent, pod1, testVolType)
ginkgo.By("Writing in pod1") ginkgo.By("Writing in pod1")
writeCmd := createWriteCmd(volumeDir, testFile, testVol.ltr.Path /*writeTestFileContent*/, testVolType) writeCmd := createWriteCmd(volumeDir, testFile, testVol.ltr.Path /*writeTestFileContent*/, testVolType)
podRWCmdExec(pod1, writeCmd) podRWCmdExec(f, pod1, writeCmd)
}) })
}) })
ginkgo.Context("Two pods mounting a local volume at the same time", func() { ginkgo.Context("Two pods mounting a local volume at the same time", func() {
ginkgo.It("should be able to write from pod1 and read from pod2", func() { ginkgo.It("should be able to write from pod1 and read from pod2", func() {
twoPodsReadWriteTest(config, testVol) twoPodsReadWriteTest(f, config, testVol)
}) })
}) })
ginkgo.Context("Two pods mounting a local volume one after the other", func() { ginkgo.Context("Two pods mounting a local volume one after the other", func() {
ginkgo.It("should be able to write from pod1 and read from pod2", func() { ginkgo.It("should be able to write from pod1 and read from pod2", func() {
twoPodsReadWriteSerialTest(config, testVol) twoPodsReadWriteSerialTest(f, config, testVol)
}) })
}) })
@ -703,7 +703,7 @@ func testPodWithNodeConflict(config *localTestConfig, testVolType localVolumeTyp
// The tests below are run against multiple mount point types // The tests below are run against multiple mount point types
// Test two pods at the same time, write from pod1, and read from pod2 // Test two pods at the same time, write from pod1, and read from pod2
func twoPodsReadWriteTest(config *localTestConfig, testVol *localTestVolume) { func twoPodsReadWriteTest(f *framework.Framework, config *localTestConfig, testVol *localTestVolume) {
ginkgo.By("Creating pod1 to write to the PV") ginkgo.By("Creating pod1 to write to the PV")
pod1, pod1Err := createLocalPod(config, testVol, nil) pod1, pod1Err := createLocalPod(config, testVol, nil)
framework.ExpectNoError(pod1Err) framework.ExpectNoError(pod1Err)
@ -712,10 +712,10 @@ func twoPodsReadWriteTest(config *localTestConfig, testVol *localTestVolume) {
writeCmd := createWriteCmd(volumeDir, testFile, testFileContent, testVol.localVolumeType) writeCmd := createWriteCmd(volumeDir, testFile, testFileContent, testVol.localVolumeType)
ginkgo.By("Writing in pod1") ginkgo.By("Writing in pod1")
podRWCmdExec(pod1, writeCmd) podRWCmdExec(f, pod1, writeCmd)
// testFileContent was written after creating pod1 // testFileContent was written after creating pod1
testReadFileContent(volumeDir, testFile, testFileContent, pod1, testVol.localVolumeType) testReadFileContent(f, volumeDir, testFile, testFileContent, pod1, testVol.localVolumeType)
ginkgo.By("Creating pod2 to read from the PV") ginkgo.By("Creating pod2 to read from the PV")
pod2, pod2Err := createLocalPod(config, testVol, nil) pod2, pod2Err := createLocalPod(config, testVol, nil)
@ -723,15 +723,15 @@ func twoPodsReadWriteTest(config *localTestConfig, testVol *localTestVolume) {
verifyLocalPod(config, testVol, pod2, config.node0.Name) verifyLocalPod(config, testVol, pod2, config.node0.Name)
// testFileContent was written after creating pod1 // testFileContent was written after creating pod1
testReadFileContent(volumeDir, testFile, testFileContent, pod2, testVol.localVolumeType) testReadFileContent(f, volumeDir, testFile, testFileContent, pod2, testVol.localVolumeType)
writeCmd = createWriteCmd(volumeDir, testFile, testVol.ltr.Path /*writeTestFileContent*/, testVol.localVolumeType) writeCmd = createWriteCmd(volumeDir, testFile, testVol.ltr.Path /*writeTestFileContent*/, testVol.localVolumeType)
ginkgo.By("Writing in pod2") ginkgo.By("Writing in pod2")
podRWCmdExec(pod2, writeCmd) podRWCmdExec(f, pod2, writeCmd)
ginkgo.By("Reading in pod1") ginkgo.By("Reading in pod1")
testReadFileContent(volumeDir, testFile, testVol.ltr.Path, pod1, testVol.localVolumeType) testReadFileContent(f, volumeDir, testFile, testVol.ltr.Path, pod1, testVol.localVolumeType)
ginkgo.By("Deleting pod1") ginkgo.By("Deleting pod1")
e2epod.DeletePodOrFail(config.client, config.ns, pod1.Name) e2epod.DeletePodOrFail(config.client, config.ns, pod1.Name)
@ -740,7 +740,7 @@ func twoPodsReadWriteTest(config *localTestConfig, testVol *localTestVolume) {
} }
// Test two pods one after other, write from pod1, and read from pod2 // Test two pods one after other, write from pod1, and read from pod2
func twoPodsReadWriteSerialTest(config *localTestConfig, testVol *localTestVolume) { func twoPodsReadWriteSerialTest(f *framework.Framework, config *localTestConfig, testVol *localTestVolume) {
ginkgo.By("Creating pod1") ginkgo.By("Creating pod1")
pod1, pod1Err := createLocalPod(config, testVol, nil) pod1, pod1Err := createLocalPod(config, testVol, nil)
framework.ExpectNoError(pod1Err) framework.ExpectNoError(pod1Err)
@ -749,10 +749,10 @@ func twoPodsReadWriteSerialTest(config *localTestConfig, testVol *localTestVolum
writeCmd := createWriteCmd(volumeDir, testFile, testFileContent, testVol.localVolumeType) writeCmd := createWriteCmd(volumeDir, testFile, testFileContent, testVol.localVolumeType)
ginkgo.By("Writing in pod1") ginkgo.By("Writing in pod1")
podRWCmdExec(pod1, writeCmd) podRWCmdExec(f, pod1, writeCmd)
// testFileContent was written after creating pod1 // testFileContent was written after creating pod1
testReadFileContent(volumeDir, testFile, testFileContent, pod1, testVol.localVolumeType) testReadFileContent(f, volumeDir, testFile, testFileContent, pod1, testVol.localVolumeType)
ginkgo.By("Deleting pod1") ginkgo.By("Deleting pod1")
e2epod.DeletePodOrFail(config.client, config.ns, pod1.Name) e2epod.DeletePodOrFail(config.client, config.ns, pod1.Name)
@ -763,7 +763,7 @@ func twoPodsReadWriteSerialTest(config *localTestConfig, testVol *localTestVolum
verifyLocalPod(config, testVol, pod2, config.node0.Name) verifyLocalPod(config, testVol, pod2, config.node0.Name)
ginkgo.By("Reading in pod2") ginkgo.By("Reading in pod2")
testReadFileContent(volumeDir, testFile, testFileContent, pod2, testVol.localVolumeType) testReadFileContent(f, volumeDir, testFile, testFileContent, pod2, testVol.localVolumeType)
ginkgo.By("Deleting pod2") ginkgo.By("Deleting pod2")
e2epod.DeletePodOrFail(config.client, config.ns, pod2.Name) e2epod.DeletePodOrFail(config.client, config.ns, pod2.Name)
@ -1015,16 +1015,16 @@ func createReadCmd(testFileDir string, testFile string, volumeType localVolumeTy
} }
// Read testFile and evaluate whether it contains the testFileContent // Read testFile and evaluate whether it contains the testFileContent
func testReadFileContent(testFileDir string, testFile string, testFileContent string, pod *v1.Pod, volumeType localVolumeType) { func testReadFileContent(f *framework.Framework, testFileDir string, testFile string, testFileContent string, pod *v1.Pod, volumeType localVolumeType) {
readCmd := createReadCmd(testFileDir, testFile, volumeType) readCmd := createReadCmd(testFileDir, testFile, volumeType)
readOut := podRWCmdExec(pod, readCmd) readOut := podRWCmdExec(f, pod, readCmd)
gomega.Expect(readOut).To(gomega.ContainSubstring(testFileContent)) gomega.Expect(readOut).To(gomega.ContainSubstring(testFileContent))
} }
// Execute a read or write command in a pod. // Execute a read or write command in a pod.
// Fail on error // Fail on error
func podRWCmdExec(pod *v1.Pod, cmd string) string { func podRWCmdExec(f *framework.Framework, pod *v1.Pod, cmd string) string {
out, err := utils.PodExec(pod, cmd) out, err := utils.PodExec(f, pod, cmd)
framework.Logf("podRWCmdExec out: %q err: %v", out, err) framework.Logf("podRWCmdExec out: %q err: %v", out, err)
framework.ExpectNoError(err) framework.ExpectNoError(err)
return out return out

8
test/e2e/storage/testsuites/ephemeral.go
View File

@ -118,7 +118,7 @@ func (p *ephemeralTestSuite) defineTests(driver TestDriver, pattern testpatterns
l.testCase.ReadOnly = true l.testCase.ReadOnly = true
l.testCase.RunningPodCheck = func(pod *v1.Pod) interface{} { l.testCase.RunningPodCheck = func(pod *v1.Pod) interface{} {
storageutils.VerifyExecInPodSucceed(pod, "mount | grep /mnt/test | grep ro,") storageutils.VerifyExecInPodSucceed(f, pod, "mount | grep /mnt/test | grep ro,")
return nil return nil
} }
l.testCase.TestEphemeral() l.testCase.TestEphemeral()
@ -130,7 +130,7 @@ func (p *ephemeralTestSuite) defineTests(driver TestDriver, pattern testpatterns
l.testCase.ReadOnly = false l.testCase.ReadOnly = false
l.testCase.RunningPodCheck = func(pod *v1.Pod) interface{} { l.testCase.RunningPodCheck = func(pod *v1.Pod) interface{} {
storageutils.VerifyExecInPodSucceed(pod, "mount | grep /mnt/test | grep rw,") storageutils.VerifyExecInPodSucceed(f, pod, "mount | grep /mnt/test | grep rw,")
return nil return nil
} }
l.testCase.TestEphemeral() l.testCase.TestEphemeral()
@ -159,8 +159,8 @@ func (p *ephemeralTestSuite) defineTests(driver TestDriver, pattern testpatterns
// visible in the other. // visible in the other.
if !readOnly && !shared { if !readOnly && !shared {
ginkgo.By("writing data in one pod and checking for it in the second") ginkgo.By("writing data in one pod and checking for it in the second")
storageutils.VerifyExecInPodSucceed(pod, "touch /mnt/test-0/hello-world") storageutils.VerifyExecInPodSucceed(f, pod, "touch /mnt/test-0/hello-world")
storageutils.VerifyExecInPodSucceed(pod2, "[ ! -f /mnt/test-0/hello-world ]") storageutils.VerifyExecInPodSucceed(f, pod2, "[ ! -f /mnt/test-0/hello-world ]")
} }
defer StopPod(f.ClientSet, pod2) defer StopPod(f.ClientSet, pod2)

24
test/e2e/storage/testsuites/multivolume.go
View File

@ -365,18 +365,18 @@ func testAccessMultipleVolumes(f *framework.Framework, cs clientset.Interface, n
index := i + 1 index := i + 1
path := fmt.Sprintf("/mnt/volume%d", index) path := fmt.Sprintf("/mnt/volume%d", index)
ginkgo.By(fmt.Sprintf("Checking if the volume%d exists as expected volume mode (%s)", index, *pvc.Spec.VolumeMode)) ginkgo.By(fmt.Sprintf("Checking if the volume%d exists as expected volume mode (%s)", index, *pvc.Spec.VolumeMode))
utils.CheckVolumeModeOfPath(pod, *pvc.Spec.VolumeMode, path) utils.CheckVolumeModeOfPath(f, pod, *pvc.Spec.VolumeMode, path)
if readSeedBase > 0 { if readSeedBase > 0 {
ginkgo.By(fmt.Sprintf("Checking if read from the volume%d works properly", index)) ginkgo.By(fmt.Sprintf("Checking if read from the volume%d works properly", index))
utils.CheckReadFromPath(pod, *pvc.Spec.VolumeMode, path, byteLen, readSeedBase+int64(i)) utils.CheckReadFromPath(f, pod, *pvc.Spec.VolumeMode, path, byteLen, readSeedBase+int64(i))
} }
ginkgo.By(fmt.Sprintf("Checking if write to the volume%d works properly", index)) ginkgo.By(fmt.Sprintf("Checking if write to the volume%d works properly", index))
utils.CheckWriteToPath(pod, *pvc.Spec.VolumeMode, path, byteLen, writeSeedBase+int64(i)) utils.CheckWriteToPath(f, pod, *pvc.Spec.VolumeMode, path, byteLen, writeSeedBase+int64(i))
ginkgo.By(fmt.Sprintf("Checking if read from the volume%d works properly", index)) ginkgo.By(fmt.Sprintf("Checking if read from the volume%d works properly", index))
utils.CheckReadFromPath(pod, *pvc.Spec.VolumeMode, path, byteLen, writeSeedBase+int64(i)) utils.CheckReadFromPath(f, pod, *pvc.Spec.VolumeMode, path, byteLen, writeSeedBase+int64(i))
} }
pod, err = cs.CoreV1().Pods(pod.Namespace).Get(pod.Name, metav1.GetOptions{}) pod, err = cs.CoreV1().Pods(pod.Namespace).Get(pod.Name, metav1.GetOptions{})
@ -452,22 +452,22 @@ func TestConcurrentAccessToSingleVolume(f *framework.Framework, cs clientset.Int
for i, pod := range pods { for i, pod := range pods {
index := i + 1 index := i + 1
ginkgo.By(fmt.Sprintf("Checking if the volume in pod%d exists as expected volume mode (%s)", index, *pvc.Spec.VolumeMode)) ginkgo.By(fmt.Sprintf("Checking if the volume in pod%d exists as expected volume mode (%s)", index, *pvc.Spec.VolumeMode))
utils.CheckVolumeModeOfPath(pod, *pvc.Spec.VolumeMode, path) utils.CheckVolumeModeOfPath(f, pod, *pvc.Spec.VolumeMode, path)
if i != 0 { if i != 0 {
ginkgo.By(fmt.Sprintf("From pod%d, checking if reading the data that pod%d write works properly", index, index-1)) ginkgo.By(fmt.Sprintf("From pod%d, checking if reading the data that pod%d write works properly", index, index-1))
// For 1st pod, no one has written data yet, so pass the read check // For 1st pod, no one has written data yet, so pass the read check
utils.CheckReadFromPath(pod, *pvc.Spec.VolumeMode, path, byteLen, seed) utils.CheckReadFromPath(f, pod, *pvc.Spec.VolumeMode, path, byteLen, seed)
} }
// Update the seed and check if write/read works properly // Update the seed and check if write/read works properly
seed = time.Now().UTC().UnixNano() seed = time.Now().UTC().UnixNano()
ginkgo.By(fmt.Sprintf("Checking if write to the volume in pod%d works properly", index)) ginkgo.By(fmt.Sprintf("Checking if write to the volume in pod%d works properly", index))
utils.CheckWriteToPath(pod, *pvc.Spec.VolumeMode, path, byteLen, seed) utils.CheckWriteToPath(f, pod, *pvc.Spec.VolumeMode, path, byteLen, seed)
ginkgo.By(fmt.Sprintf("Checking if read from the volume in pod%d works properly", index)) ginkgo.By(fmt.Sprintf("Checking if read from the volume in pod%d works properly", index))
utils.CheckReadFromPath(pod, *pvc.Spec.VolumeMode, path, byteLen, seed) utils.CheckReadFromPath(f, pod, *pvc.Spec.VolumeMode, path, byteLen, seed)
} }
// Delete the last pod and remove from slice of pods // Delete the last pod and remove from slice of pods
@ -483,7 +483,7 @@ func TestConcurrentAccessToSingleVolume(f *framework.Framework, cs clientset.Int
index := i + 1 index := i + 1
// index of pod and index of pvc match, because pods are created above way // index of pod and index of pvc match, because pods are created above way
ginkgo.By(fmt.Sprintf("Rechecking if the volume in pod%d exists as expected volume mode (%s)", index, *pvc.Spec.VolumeMode)) ginkgo.By(fmt.Sprintf("Rechecking if the volume in pod%d exists as expected volume mode (%s)", index, *pvc.Spec.VolumeMode))
utils.CheckVolumeModeOfPath(pod, *pvc.Spec.VolumeMode, "/mnt/volume1") utils.CheckVolumeModeOfPath(f, pod, *pvc.Spec.VolumeMode, "/mnt/volume1")
if i == 0 { if i == 0 {
// This time there should be data that last pod wrote, for 1st pod // This time there should be data that last pod wrote, for 1st pod
@ -491,15 +491,15 @@ func TestConcurrentAccessToSingleVolume(f *framework.Framework, cs clientset.Int
} else { } else {
ginkgo.By(fmt.Sprintf("From pod%d, rechecking if reading the data that pod%d write works properly", index, index-1)) ginkgo.By(fmt.Sprintf("From pod%d, rechecking if reading the data that pod%d write works properly", index, index-1))
} }
utils.CheckReadFromPath(pod, *pvc.Spec.VolumeMode, path, byteLen, seed) utils.CheckReadFromPath(f, pod, *pvc.Spec.VolumeMode, path, byteLen, seed)
// Update the seed and check if write/read works properly // Update the seed and check if write/read works properly
seed = time.Now().UTC().UnixNano() seed = time.Now().UTC().UnixNano()
ginkgo.By(fmt.Sprintf("Rechecking if write to the volume in pod%d works properly", index)) ginkgo.By(fmt.Sprintf("Rechecking if write to the volume in pod%d works properly", index))
utils.CheckWriteToPath(pod, *pvc.Spec.VolumeMode, path, byteLen, seed) utils.CheckWriteToPath(f, pod, *pvc.Spec.VolumeMode, path, byteLen, seed)
ginkgo.By(fmt.Sprintf("Rechecking if read from the volume in pod%d works properly", index)) ginkgo.By(fmt.Sprintf("Rechecking if read from the volume in pod%d works properly", index))
utils.CheckReadFromPath(pod, *pvc.Spec.VolumeMode, path, byteLen, seed) utils.CheckReadFromPath(f, pod, *pvc.Spec.VolumeMode, path, byteLen, seed)
} }
} }

22
test/e2e/storage/testsuites/volume_io.go
View File

@ -243,19 +243,19 @@ func makePodSpec(config volume.TestConfig, initCmd string, volsrc v1.VolumeSourc
} }
// Write `fsize` bytes to `fpath` in the pod, using dd and the `ddInput` file. // Write `fsize` bytes to `fpath` in the pod, using dd and the `ddInput` file.
func writeToFile(pod *v1.Pod, fpath, ddInput string, fsize int64) error { func writeToFile(f *framework.Framework, pod *v1.Pod, fpath, ddInput string, fsize int64) error {
ginkgo.By(fmt.Sprintf("writing %d bytes to test file %s", fsize, fpath)) ginkgo.By(fmt.Sprintf("writing %d bytes to test file %s", fsize, fpath))
loopCnt := fsize / testpatterns.MinFileSize loopCnt := fsize / testpatterns.MinFileSize
writeCmd := fmt.Sprintf("i=0; while [ $i -lt %d ]; do dd if=%s bs=%d >>%s 2>/dev/null; let i+=1; done", loopCnt, ddInput, testpatterns.MinFileSize, fpath) writeCmd := fmt.Sprintf("i=0; while [ $i -lt %d ]; do dd if=%s bs=%d >>%s 2>/dev/null; let i+=1; done", loopCnt, ddInput, testpatterns.MinFileSize, fpath)
_, err := utils.PodExec(pod, writeCmd) _, err := utils.PodExec(f, pod, writeCmd)
return err return err
} }
// Verify that the test file is the expected size and contains the expected content. // Verify that the test file is the expected size and contains the expected content.
func verifyFile(pod *v1.Pod, fpath string, expectSize int64, ddInput string) error { func verifyFile(f *framework.Framework, pod *v1.Pod, fpath string, expectSize int64, ddInput string) error {
ginkgo.By("verifying file size") ginkgo.By("verifying file size")
rtnstr, err := utils.PodExec(pod, fmt.Sprintf("stat -c %%s %s", fpath)) rtnstr, err := utils.PodExec(f, pod, fmt.Sprintf("stat -c %%s %s", fpath))
if err != nil || rtnstr == "" { if err != nil || rtnstr == "" {
return fmt.Errorf("unable to get file size via `stat %s`: %v", fpath, err) return fmt.Errorf("unable to get file size via `stat %s`: %v", fpath, err)
} }
@ -268,7 +268,7 @@ func verifyFile(pod *v1.Pod, fpath string, expectSize int64, ddInput string) err
} }
ginkgo.By("verifying file hash") ginkgo.By("verifying file hash")
rtnstr, err = utils.PodExec(pod, fmt.Sprintf("md5sum %s | cut -d' ' -f1", fpath)) rtnstr, err = utils.PodExec(f, pod, fmt.Sprintf("md5sum %s | cut -d' ' -f1", fpath))
if err != nil { if err != nil {
return fmt.Errorf("unable to test file hash via `md5sum %s`: %v", fpath, err) return fmt.Errorf("unable to test file hash via `md5sum %s`: %v", fpath, err)
} }
@ -287,9 +287,9 @@ func verifyFile(pod *v1.Pod, fpath string, expectSize int64, ddInput string) err
} }
// Delete `fpath` to save some disk space on host. Delete errors are logged but ignored. // Delete `fpath` to save some disk space on host. Delete errors are logged but ignored.
func deleteFile(pod *v1.Pod, fpath string) { func deleteFile(f *framework.Framework, pod *v1.Pod, fpath string) {
ginkgo.By(fmt.Sprintf("deleting test file %s...", fpath)) ginkgo.By(fmt.Sprintf("deleting test file %s...", fpath))
_, err := utils.PodExec(pod, fmt.Sprintf("rm -f %s", fpath)) _, err := utils.PodExec(f, pod, fmt.Sprintf("rm -f %s", fpath))
if err != nil { if err != nil {
// keep going, the test dir will be deleted when the volume is unmounted // keep going, the test dir will be deleted when the volume is unmounted
framework.Logf("unable to delete test file %s: %v\nerror ignored, continuing test", fpath, err) framework.Logf("unable to delete test file %s: %v\nerror ignored, continuing test", fpath, err)
@ -320,7 +320,7 @@ func testVolumeIO(f *framework.Framework, cs clientset.Interface, config volume.
return fmt.Errorf("failed to create client pod %q: %v", clientPod.Name, err) return fmt.Errorf("failed to create client pod %q: %v", clientPod.Name, err)
} }
defer func() { defer func() {
deleteFile(clientPod, ddInput) deleteFile(f, clientPod, ddInput)
ginkgo.By(fmt.Sprintf("deleting client pod %q...", clientPod.Name)) ginkgo.By(fmt.Sprintf("deleting client pod %q...", clientPod.Name))
e := e2epod.DeletePodWithWait(cs, clientPod) e := e2epod.DeletePodWithWait(cs, clientPod)
if e != nil { if e != nil {
@ -347,12 +347,12 @@ func testVolumeIO(f *framework.Framework, cs clientset.Interface, config volume.
} }
fpath := filepath.Join(mountPath, fmt.Sprintf("%s-%d", file, fsize)) fpath := filepath.Join(mountPath, fmt.Sprintf("%s-%d", file, fsize))
defer func() { defer func() {
deleteFile(clientPod, fpath) deleteFile(f, clientPod, fpath)
}() }()
if err = writeToFile(clientPod, fpath, ddInput, fsize); err != nil { if err = writeToFile(f, clientPod, fpath, ddInput, fsize); err != nil {
return err return err
} }
if err = verifyFile(clientPod, fpath, fsize, ddInput); err != nil { if err = verifyFile(f, clientPod, fpath, fsize, ddInput); err != nil {
return err return err
} }
} }

4
test/e2e/storage/testsuites/volumes.go
View File

@ -178,9 +178,9 @@ func (t *volumesTestSuite) defineTests(driver TestDriver, pattern testpatterns.T
// local), plugin skips setting fsGroup if volume is already mounted // local), plugin skips setting fsGroup if volume is already mounted
// and we don't have reliable way to detect volumes are unmounted or // and we don't have reliable way to detect volumes are unmounted or
// not before starting the second pod. // not before starting the second pod.
volume.InjectContent(f.ClientSet, config, fsGroup, pattern.FsType, tests) volume.InjectContent(f, f.ClientSet, config, fsGroup, pattern.FsType, tests)
if driver.GetDriverInfo().Capabilities[CapPersistence] { if driver.GetDriverInfo().Capabilities[CapPersistence] {
volume.TestVolumeClient(f.ClientSet, config, fsGroup, pattern.FsType, tests) volume.TestVolumeClient(f, f.ClientSet, config, fsGroup, pattern.FsType, tests)
} else { } else {
ginkgo.By("Skipping persistence check for non-persistent volume") ginkgo.By("Skipping persistence check for non-persistent volume")
} }

68
test/e2e/storage/utils/utils.go
View File

@ -35,6 +35,7 @@ import (
"k8s.io/apimachinery/pkg/util/sets" "k8s.io/apimachinery/pkg/util/sets"
"k8s.io/apimachinery/pkg/util/wait" "k8s.io/apimachinery/pkg/util/wait"
clientset "k8s.io/client-go/kubernetes" clientset "k8s.io/client-go/kubernetes"
clientexec "k8s.io/client-go/util/exec"
"k8s.io/kubernetes/test/e2e/framework" "k8s.io/kubernetes/test/e2e/framework"
e2enode "k8s.io/kubernetes/test/e2e/framework/node" e2enode "k8s.io/kubernetes/test/e2e/framework/node"
e2epod "k8s.io/kubernetes/test/e2e/framework/pod" e2epod "k8s.io/kubernetes/test/e2e/framework/pod"
@ -62,14 +63,15 @@ const (
podSecurityPolicyPrivilegedClusterRoleName = "e2e-test-privileged-psp" podSecurityPolicyPrivilegedClusterRoleName = "e2e-test-privileged-psp"
) )
// PodExec wraps RunKubectl to execute a bash cmd in target pod // PodExec runs f.ExecCommandInContainerWithFullOutput to execute a shell cmd in target pod
func PodExec(pod *v1.Pod, bashExec string) (string, error) { func PodExec(f *framework.Framework, pod *v1.Pod, bashExec string) (string, error) {
return framework.RunKubectl("exec", fmt.Sprintf("--namespace=%s", pod.Namespace), pod.Name, "--", "/bin/sh", "-c", bashExec) stdout, _, err := f.ExecCommandInContainerWithFullOutput(pod.Name, pod.Spec.Containers[0].Name, "/bin/sh", "-c", bashExec)
return stdout, err
} }
// VerifyExecInPodSucceed verifies bash cmd in target pod succeed // VerifyExecInPodSucceed verifies bash cmd in target pod succeed
func VerifyExecInPodSucceed(pod *v1.Pod, bashExec string) { func VerifyExecInPodSucceed(f *framework.Framework, pod *v1.Pod, bashExec string) {
_, err := PodExec(pod, bashExec) _, err := PodExec(f, pod, bashExec)
if err != nil { if err != nil {
if err, ok := err.(uexec.CodeExitError); ok { if err, ok := err.(uexec.CodeExitError); ok {
exitCode := err.ExitStatus() exitCode := err.ExitStatus()
@ -85,10 +87,10 @@ func VerifyExecInPodSucceed(pod *v1.Pod, bashExec string) {
} }
// VerifyExecInPodFail verifies bash cmd in target pod fail with certain exit code // VerifyExecInPodFail verifies bash cmd in target pod fail with certain exit code
func VerifyExecInPodFail(pod *v1.Pod, bashExec string, exitCode int) { func VerifyExecInPodFail(f *framework.Framework, pod *v1.Pod, bashExec string, exitCode int) {
_, err := PodExec(pod, bashExec) _, err := PodExec(f, pod, bashExec)
if err != nil { if err != nil {
if err, ok := err.(uexec.CodeExitError); ok { if err, ok := err.(clientexec.ExitError); ok {
actualExitCode := err.ExitStatus() actualExitCode := err.ExitStatus()
framework.ExpectEqual(actualExitCode, exitCode, framework.ExpectEqual(actualExitCode, exitCode,
"%q should fail with exit code %d, but failed with exit code %d and error message %q", "%q should fail with exit code %d, but failed with exit code %d and error message %q",
@ -236,13 +238,13 @@ func TestKubeletRestartsAndRestoresMount(c clientset.Interface, f *framework.Fra
seed := time.Now().UTC().UnixNano() seed := time.Now().UTC().UnixNano()
ginkgo.By("Writing to the volume.") ginkgo.By("Writing to the volume.")
CheckWriteToPath(clientPod, v1.PersistentVolumeFilesystem, path, byteLen, seed) CheckWriteToPath(f, clientPod, v1.PersistentVolumeFilesystem, path, byteLen, seed)
ginkgo.By("Restarting kubelet") ginkgo.By("Restarting kubelet")
KubeletCommand(KRestart, c, clientPod) KubeletCommand(KRestart, c, clientPod)
ginkgo.By("Testing that written file is accessible.") ginkgo.By("Testing that written file is accessible.")
CheckReadFromPath(clientPod, v1.PersistentVolumeFilesystem, path, byteLen, seed) CheckReadFromPath(f, clientPod, v1.PersistentVolumeFilesystem, path, byteLen, seed)
framework.Logf("Volume mount detected on pod %s and written file %s is readable post-restart.", clientPod.Name, path) framework.Logf("Volume mount detected on pod %s and written file %s is readable post-restart.", clientPod.Name, path)
} }
@ -254,13 +256,13 @@ func TestKubeletRestartsAndRestoresMap(c clientset.Interface, f *framework.Frame
seed := time.Now().UTC().UnixNano() seed := time.Now().UTC().UnixNano()
ginkgo.By("Writing to the volume.") ginkgo.By("Writing to the volume.")
CheckWriteToPath(clientPod, v1.PersistentVolumeBlock, path, byteLen, seed) CheckWriteToPath(f, clientPod, v1.PersistentVolumeBlock, path, byteLen, seed)
ginkgo.By("Restarting kubelet") ginkgo.By("Restarting kubelet")
KubeletCommand(KRestart, c, clientPod) KubeletCommand(KRestart, c, clientPod)
ginkgo.By("Testing that written pv is accessible.") ginkgo.By("Testing that written pv is accessible.")
CheckReadFromPath(clientPod, v1.PersistentVolumeBlock, path, byteLen, seed) CheckReadFromPath(f, clientPod, v1.PersistentVolumeBlock, path, byteLen, seed)
framework.Logf("Volume map detected on pod %s and written data %s is readable post-restart.", clientPod.Name, path) framework.Logf("Volume map detected on pod %s and written data %s is readable post-restart.", clientPod.Name, path)
} }
@ -594,46 +596,46 @@ func PrivilegedTestPSPClusterRoleBinding(client clientset.Interface,
} }
// CheckVolumeModeOfPath check mode of volume // CheckVolumeModeOfPath check mode of volume
func CheckVolumeModeOfPath(pod *v1.Pod, volMode v1.PersistentVolumeMode, path string) { func CheckVolumeModeOfPath(f *framework.Framework, pod *v1.Pod, volMode v1.PersistentVolumeMode, path string) {
if volMode == v1.PersistentVolumeBlock { if volMode == v1.PersistentVolumeBlock {
// Check if block exists // Check if block exists
VerifyExecInPodSucceed(pod, fmt.Sprintf("test -b %s", path)) VerifyExecInPodSucceed(f, pod, fmt.Sprintf("test -b %s", path))
// Double check that it's not directory // Double check that it's not directory
VerifyExecInPodFail(pod, fmt.Sprintf("test -d %s", path), 1) VerifyExecInPodFail(f, pod, fmt.Sprintf("test -d %s", path), 1)
} else { } else {
// Check if directory exists // Check if directory exists
VerifyExecInPodSucceed(pod, fmt.Sprintf("test -d %s", path)) VerifyExecInPodSucceed(f, pod, fmt.Sprintf("test -d %s", path))
// Double check that it's not block // Double check that it's not block
VerifyExecInPodFail(pod, fmt.Sprintf("test -b %s", path), 1) VerifyExecInPodFail(f, pod, fmt.Sprintf("test -b %s", path), 1)
} }
} }
// CheckReadWriteToPath check that path can b e read and written // CheckReadWriteToPath check that path can b e read and written
func CheckReadWriteToPath(pod *v1.Pod, volMode v1.PersistentVolumeMode, path string) { func CheckReadWriteToPath(f *framework.Framework, pod *v1.Pod, volMode v1.PersistentVolumeMode, path string) {
if volMode == v1.PersistentVolumeBlock { if volMode == v1.PersistentVolumeBlock {
// random -> file1 // random -> file1
VerifyExecInPodSucceed(pod, "dd if=/dev/urandom of=/tmp/file1 bs=64 count=1") VerifyExecInPodSucceed(f, pod, "dd if=/dev/urandom of=/tmp/file1 bs=64 count=1")
// file1 -> dev (write to dev) // file1 -> dev (write to dev)
VerifyExecInPodSucceed(pod, fmt.Sprintf("dd if=/tmp/file1 of=%s bs=64 count=1", path)) VerifyExecInPodSucceed(f, pod, fmt.Sprintf("dd if=/tmp/file1 of=%s bs=64 count=1", path))
// dev -> file2 (read from dev) // dev -> file2 (read from dev)
VerifyExecInPodSucceed(pod, fmt.Sprintf("dd if=%s of=/tmp/file2 bs=64 count=1", path)) VerifyExecInPodSucceed(f, pod, fmt.Sprintf("dd if=%s of=/tmp/file2 bs=64 count=1", path))
// file1 == file2 (check contents) // file1 == file2 (check contents)
VerifyExecInPodSucceed(pod, "diff /tmp/file1 /tmp/file2") VerifyExecInPodSucceed(f, pod, "diff /tmp/file1 /tmp/file2")
// Clean up temp files // Clean up temp files
VerifyExecInPodSucceed(pod, "rm -f /tmp/file1 /tmp/file2") VerifyExecInPodSucceed(f, pod, "rm -f /tmp/file1 /tmp/file2")
// Check that writing file to block volume fails // Check that writing file to block volume fails
VerifyExecInPodFail(pod, fmt.Sprintf("echo 'Hello world.' > %s/file1.txt", path), 1) VerifyExecInPodFail(f, pod, fmt.Sprintf("echo 'Hello world.' > %s/file1.txt", path), 1)
} else { } else {
// text -> file1 (write to file) // text -> file1 (write to file)
VerifyExecInPodSucceed(pod, fmt.Sprintf("echo 'Hello world.' > %s/file1.txt", path)) VerifyExecInPodSucceed(f, pod, fmt.Sprintf("echo 'Hello world.' > %s/file1.txt", path))
// grep file1 (read from file and check contents) // grep file1 (read from file and check contents)
VerifyExecInPodSucceed(pod, fmt.Sprintf("grep 'Hello world.' %s/file1.txt", path)) VerifyExecInPodSucceed(f, pod, fmt.Sprintf("grep 'Hello world.' %s/file1.txt", path))
// Check that writing to directory as block volume fails // Check that writing to directory as block volume fails
VerifyExecInPodFail(pod, fmt.Sprintf("dd if=/dev/urandom of=%s bs=64 count=1", path), 1) VerifyExecInPodFail(f, pod, fmt.Sprintf("dd if=/dev/urandom of=%s bs=64 count=1", path), 1)
} }
} }
@ -651,7 +653,7 @@ func genBinDataFromSeed(len int, seed int64) []byte {
} }
// CheckReadFromPath validate that file can be properly read. // CheckReadFromPath validate that file can be properly read.
func CheckReadFromPath(pod *v1.Pod, volMode v1.PersistentVolumeMode, path string, len int, seed int64) { func CheckReadFromPath(f *framework.Framework, pod *v1.Pod, volMode v1.PersistentVolumeMode, path string, len int, seed int64) {
var pathForVolMode string var pathForVolMode string
if volMode == v1.PersistentVolumeBlock { if volMode == v1.PersistentVolumeBlock {
pathForVolMode = path pathForVolMode = path
@ -661,12 +663,12 @@ func CheckReadFromPath(pod *v1.Pod, volMode v1.PersistentVolumeMode, path string
sum := sha256.Sum256(genBinDataFromSeed(len, seed)) sum := sha256.Sum256(genBinDataFromSeed(len, seed))
VerifyExecInPodSucceed(pod, fmt.Sprintf("dd if=%s bs=%d count=1 | sha256sum", pathForVolMode, len)) VerifyExecInPodSucceed(f, pod, fmt.Sprintf("dd if=%s bs=%d count=1 | sha256sum", pathForVolMode, len))
VerifyExecInPodSucceed(pod, fmt.Sprintf("dd if=%s bs=%d count=1 | sha256sum | grep -Fq %x", pathForVolMode, len, sum)) VerifyExecInPodSucceed(f, pod, fmt.Sprintf("dd if=%s bs=%d count=1 | sha256sum | grep -Fq %x", pathForVolMode, len, sum))
} }
// CheckWriteToPath that file can be properly written. // CheckWriteToPath that file can be properly written.
func CheckWriteToPath(pod *v1.Pod, volMode v1.PersistentVolumeMode, path string, len int, seed int64) { func CheckWriteToPath(f *framework.Framework, pod *v1.Pod, volMode v1.PersistentVolumeMode, path string, len int, seed int64) {
var pathForVolMode string var pathForVolMode string
if volMode == v1.PersistentVolumeBlock { if volMode == v1.PersistentVolumeBlock {
pathForVolMode = path pathForVolMode = path
@ -676,8 +678,8 @@ func CheckWriteToPath(pod *v1.Pod, volMode v1.PersistentVolumeMode, path string,
encoded := base64.StdEncoding.EncodeToString(genBinDataFromSeed(len, seed)) encoded := base64.StdEncoding.EncodeToString(genBinDataFromSeed(len, seed))
VerifyExecInPodSucceed(pod, fmt.Sprintf("echo %s | base64 -d | sha256sum", encoded)) VerifyExecInPodSucceed(f, pod, fmt.Sprintf("echo %s | base64 -d | sha256sum", encoded))
VerifyExecInPodSucceed(pod, fmt.Sprintf("echo %s | base64 -d | dd of=%s bs=%d count=1", encoded, pathForVolMode, len)) VerifyExecInPodSucceed(f, pod, fmt.Sprintf("echo %s | base64 -d | dd of=%s bs=%d count=1", encoded, pathForVolMode, len))
} }
// findMountPoints returns all mount points on given node under specified directory. // findMountPoints returns all mount points on given node under specified directory.

2
test/e2e/storage/volumes.go
View File

@ -108,7 +108,7 @@ var _ = utils.SIGDescribe("Volumes", func() {
ExpectedContent: "this is the second file", ExpectedContent: "this is the second file",
}, },
} }
volume.TestVolumeClient(cs, config, nil, "" /* fsType */, tests) volume.TestVolumeClient(f, cs, config, nil, "" /* fsType */, tests)
}) })
}) })
}) })

6
test/e2e/upgrades/storage/volume_mode.go
View File

@ -99,10 +99,10 @@ func (t *VolumeModeDowngradeTest) Setup(f *framework.Framework) {
framework.ExpectNoError(err) framework.ExpectNoError(err)
ginkgo.By("Checking if PV exists as expected volume mode") ginkgo.By("Checking if PV exists as expected volume mode")
utils.CheckVolumeModeOfPath(t.pod, block, devicePath) utils.CheckVolumeModeOfPath(f, t.pod, block, devicePath)
ginkgo.By("Checking if read/write to PV works properly") ginkgo.By("Checking if read/write to PV works properly")
utils.CheckReadWriteToPath(t.pod, block, devicePath) utils.CheckReadWriteToPath(f, t.pod, block, devicePath)
} }
// Test waits for the downgrade to complete, and then verifies that a pod can no // Test waits for the downgrade to complete, and then verifies that a pod can no
@ -112,7 +112,7 @@ func (t *VolumeModeDowngradeTest) Test(f *framework.Framework, done <-chan struc
<-done <-done
ginkgo.By("Verifying that nothing exists at the device path in the pod") ginkgo.By("Verifying that nothing exists at the device path in the pod")
utils.VerifyExecInPodFail(t.pod, fmt.Sprintf("test -e %s", devicePath), 1) utils.VerifyExecInPodFail(f, t.pod, fmt.Sprintf("test -e %s", devicePath), 1)
} }
// Teardown cleans up any remaining resources. // Teardown cleans up any remaining resources.