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Check content of volumes in snapshot/clone multivolume tests

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Check that both original and its restored snapshot / clone have the same
content during the test.
This commit is contained in:
Jan Safranek 2021-06-10 10:40:06 +02:00
parent 68f139548b
commit 29aa4c0ee8
1 changed files with 30 additions and 5 deletions
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35
test/e2e/storage/testsuites/multivolume.go
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@ -345,6 +345,12 @@ func (t *multiVolumeTestSuite) DefineTests(driver storageframework.TestDriver, p
if pattern.SnapshotType == "" {
e2eskipper.Skipf("Driver %q does not support snapshots - skipping", dInfo.Name)
}
if pattern.VolMode == v1.PersistentVolumeBlock {
// TODO: refactor prepareSnapshotDataSourceForProvisioning() below to use
// utils.CheckWriteToPath / utils.CheckReadFromPath and remove
// redundant InjectContent(). This will enable block volume tests.
e2eskipper.Skipf("This test does not support block volumes -- skipping")
}
// Create a volume
testVolumeSizeRange := t.GetTestSuiteInfo().SupportedSizeRange
@ -353,13 +359,14 @@ func (t *multiVolumeTestSuite) DefineTests(driver storageframework.TestDriver, p
pvcs := []*v1.PersistentVolumeClaim{resource.Pvc}
// Create snapshot of it
expectedContent := fmt.Sprintf("volume content %d", time.Now().UTC().UnixNano())
sDriver, ok := driver.(storageframework.SnapshottableTestDriver)
if !ok {
framework.Failf("Driver %q has CapSnapshotDataSource but does not implement SnapshottableTestDriver", dInfo.Name)
}
testConfig := storageframework.ConvertTestConfig(l.config)
dc := l.config.Framework.DynamicClient
dataSource, cleanupFunc := prepareSnapshotDataSourceForProvisioning(f, testConfig, l.config, pattern, l.cs, dc, resource.Pvc, resource.Sc, sDriver, pattern.VolMode, "injected content")
dataSource, cleanupFunc := prepareSnapshotDataSourceForProvisioning(f, testConfig, l.config, pattern, l.cs, dc, resource.Pvc, resource.Sc, sDriver, pattern.VolMode, expectedContent)
defer cleanupFunc()
// Create 2nd PVC for testing
@ -381,7 +388,7 @@ func (t *multiVolumeTestSuite) DefineTests(driver storageframework.TestDriver, p
}()
// Test access to both volumes on the same node.
TestConcurrentAccessToRelatedVolumes(l.config.Framework, l.cs, l.ns.Name, l.config.ClientNodeSelection, pvcs)
TestConcurrentAccessToRelatedVolumes(l.config.Framework, l.cs, l.ns.Name, l.config.ClientNodeSelection, pvcs, expectedContent)
})
// This tests below configuration:
@ -396,14 +403,21 @@ func (t *multiVolumeTestSuite) DefineTests(driver storageframework.TestDriver, p
if !l.driver.GetDriverInfo().Capabilities[storageframework.CapPVCDataSource] {
e2eskipper.Skipf("Driver %q does not support volume clone - skipping", dInfo.Name)
}
if pattern.VolMode == v1.PersistentVolumeBlock {
// TODO: refactor preparePVCDataSourceForProvisioning() below to use
// utils.CheckWriteToPath / utils.CheckReadFromPath and remove
// redundant InjectContent(). This will enable block volume tests.
e2eskipper.Skipf("This test does not support block volumes -- skipping")
}
// Create a volume
expectedContent := fmt.Sprintf("volume content %d", time.Now().UTC().UnixNano())
testVolumeSizeRange := t.GetTestSuiteInfo().SupportedSizeRange
resource := storageframework.CreateVolumeResource(l.driver, l.config, pattern, testVolumeSizeRange)
l.resources = append(l.resources, resource)
pvcs := []*v1.PersistentVolumeClaim{resource.Pvc}
testConfig := storageframework.ConvertTestConfig(l.config)
dataSource, cleanupFunc := preparePVCDataSourceForProvisioning(f, testConfig, l.cs, resource.Pvc, resource.Sc, pattern.VolMode, "injected content")
dataSource, cleanupFunc := preparePVCDataSourceForProvisioning(f, testConfig, l.cs, resource.Pvc, resource.Sc, pattern.VolMode, expectedContent)
defer cleanupFunc()
// Create 2nd PVC for testing
@ -425,7 +439,7 @@ func (t *multiVolumeTestSuite) DefineTests(driver storageframework.TestDriver, p
}()
// Test access to both volumes on the same node.
TestConcurrentAccessToRelatedVolumes(l.config.Framework, l.cs, l.ns.Name, l.config.ClientNodeSelection, pvcs)
TestConcurrentAccessToRelatedVolumes(l.config.Framework, l.cs, l.ns.Name, l.config.ClientNodeSelection, pvcs, expectedContent)
})
// This tests below configuration:
@ -694,7 +708,7 @@ func TestConcurrentAccessToSingleVolume(f *framework.Framework, cs clientset.Int
// Each provided PVC is used by a single pod. The test ensures that volumes created from
// another volume (=clone) or volume snapshot can be used together with the original volume.
func TestConcurrentAccessToRelatedVolumes(f *framework.Framework, cs clientset.Interface, ns string,
node e2epod.NodeSelection, pvcs []*v1.PersistentVolumeClaim) {
node e2epod.NodeSelection, pvcs []*v1.PersistentVolumeClaim, expectedContent string) {
var pods []*v1.Pod
@ -721,6 +735,17 @@ func TestConcurrentAccessToRelatedVolumes(f *framework.Framework, cs clientset.I
// Always run the subsequent pods on the same node.
e2epod.SetAffinity(&node, actualNodeName)
}
// Check that all pods the same content
for i, pod := range pods {
fileName := "/mnt/volume1/index.html"
index := i + 1
ginkgo.By(fmt.Sprintf("Checking if the volume in pod%d has expected initial content", index))
commands := e2evolume.GenerateReadFileCmd(fileName)
_, err := framework.LookForStringInPodExec(pod.Namespace, pod.Name, commands, expectedContent, time.Minute)
framework.ExpectNoError(err, "failed: finding the contents of the mounted file %s.", fileName)
}
}
// getCurrentTopologies() goes through all Nodes and returns unique driver topologies and count of Nodes per topology