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e2e/storage: re-initialize all local variables

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There is a risk that the init function does not reset one of the local
variables that was set by a previous test. To avoid this, all
variables set by init are now in a struct which gets cleaned
completely first.
This commit is contained in:
Patrick Ohly
2019-02-15 10:50:18 +01:00
parent e79cd9efe1
commit ec3655a1d4
5 changed files with 255 additions and 240 deletions
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92
test/e2e/storage/testsuites/provisioning.go
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@@ -80,15 +80,19 @@ func (p *provisioningTestSuite) getTestSuiteInfo() TestSuiteInfo {
}
func (p *provisioningTestSuite) defineTests(driver TestDriver, pattern testpatterns.TestPattern) {
var (
dInfo = driver.GetDriverInfo()
dDriver DynamicPVTestDriver
type local struct {
config *PerTestConfig
testCleanup func()
testCase *StorageClassTest
cs clientset.Interface
pvc *v1.PersistentVolumeClaim
sc *storage.StorageClass
testCase *StorageClassTest
cs clientset.Interface
pvc *v1.PersistentVolumeClaim
sc *storage.StorageClass
}
var (
dInfo = driver.GetDriverInfo()
dDriver DynamicPVTestDriver
l local
)
BeforeEach(func() {
@@ -110,30 +114,32 @@ func (p *provisioningTestSuite) defineTests(driver TestDriver, pattern testpatte
f := framework.NewDefaultFramework("provisioning")
init := func() {
l = local{}
// Now do the more expensive test initialization.
config, testCleanup = driver.PrepareTest(f)
cs = config.Framework.ClientSet
l.config, l.testCleanup = driver.PrepareTest(f)
l.cs = l.config.Framework.ClientSet
claimSize := dDriver.GetClaimSize()
sc = dDriver.GetDynamicProvisionStorageClass(config, "")
if sc == nil {
l.sc = dDriver.GetDynamicProvisionStorageClass(l.config, "")
if l.sc == nil {
framework.Skipf("Driver %q does not define Dynamic Provision StorageClass - skipping", dInfo.Name)
}
pvc = getClaim(claimSize, config.Framework.Namespace.Name)
pvc.Spec.StorageClassName = &sc.Name
framework.Logf("In creating storage class object and pvc object for driver - sc: %v, pvc: %v", sc, pvc)
testCase = &StorageClassTest{
Client: config.Framework.ClientSet,
Claim: pvc,
Class: sc,
l.pvc = getClaim(claimSize, l.config.Framework.Namespace.Name)
l.pvc.Spec.StorageClassName = &l.sc.Name
framework.Logf("In creating storage class object and pvc object for driver - sc: %v, pvc: %v", l.sc, l.pvc)
l.testCase = &StorageClassTest{
Client: l.config.Framework.ClientSet,
Claim: l.pvc,
Class: l.sc,
ClaimSize: claimSize,
ExpectedSize: claimSize,
}
}
cleanup := func() {
if testCleanup != nil {
testCleanup()
testCleanup = nil
if l.testCleanup != nil {
l.testCleanup()
l.testCleanup = nil
}
}
@@ -141,7 +147,7 @@ func (p *provisioningTestSuite) defineTests(driver TestDriver, pattern testpatte
init()
defer cleanup()
testCase.TestDynamicProvisioning()
l.testCase.TestDynamicProvisioning()
})
It("should provision storage with mount options", func() {
@@ -152,8 +158,8 @@ func (p *provisioningTestSuite) defineTests(driver TestDriver, pattern testpatte
init()
defer cleanup()
testCase.Class.MountOptions = dInfo.SupportedMountOption.Union(dInfo.RequiredMountOption).List()
testCase.TestDynamicProvisioning()
l.testCase.Class.MountOptions = dInfo.SupportedMountOption.Union(dInfo.RequiredMountOption).List()
l.testCase.TestDynamicProvisioning()
})
It("should access volume from different nodes", func() {
@@ -164,19 +170,19 @@ func (p *provisioningTestSuite) defineTests(driver TestDriver, pattern testpatte
// locked onto a single node, then the driver is
// usable on all of them *and* supports accessing a volume
// from any node.
if config.ClientNodeName != "" {
if l.config.ClientNodeName != "" {
framework.Skipf("Driver %q only supports testing on one node - skipping", dInfo.Name)
}
// Ensure that we actually have more than one node.
nodes := framework.GetReadySchedulableNodesOrDie(cs)
nodes := framework.GetReadySchedulableNodesOrDie(l.cs)
if len(nodes.Items) <= 1 {
framework.Skipf("need more than one node - skipping")
}
testCase.PvCheck = func(claim *v1.PersistentVolumeClaim, volume *v1.PersistentVolume) {
PVMultiNodeCheck(cs, claim, volume, NodeSelection{Name: config.ClientNodeName})
l.testCase.PvCheck = func(claim *v1.PersistentVolumeClaim, volume *v1.PersistentVolume) {
PVMultiNodeCheck(l.cs, claim, volume, NodeSelection{Name: l.config.ClientNodeName})
}
testCase.TestDynamicProvisioning()
l.testCase.TestDynamicProvisioning()
})
It("should create and delete block persistent volumes", func() {
@@ -188,9 +194,9 @@ func (p *provisioningTestSuite) defineTests(driver TestDriver, pattern testpatte
defer cleanup()
block := v1.PersistentVolumeBlock
testCase.VolumeMode = &block
pvc.Spec.VolumeMode = &block
testCase.TestDynamicProvisioning()
l.testCase.VolumeMode = &block
l.pvc.Spec.VolumeMode = &block
l.testCase.TestDynamicProvisioning()
})
It("should provision storage with snapshot data source [Feature:VolumeSnapshotDataSource]", func() {
@@ -206,18 +212,18 @@ func (p *provisioningTestSuite) defineTests(driver TestDriver, pattern testpatte
init()
defer cleanup()
dc := config.Framework.DynamicClient
vsc := sDriver.GetSnapshotClass(config)
dataSource, cleanupFunc := prepareDataSourceForProvisioning(NodeSelection{Name: config.ClientNodeName}, cs, dc, pvc, sc, vsc)
dc := l.config.Framework.DynamicClient
vsc := sDriver.GetSnapshotClass(l.config)
dataSource, cleanupFunc := prepareDataSourceForProvisioning(NodeSelection{Name: l.config.ClientNodeName}, l.cs, dc, l.pvc, l.sc, vsc)
defer cleanupFunc()
pvc.Spec.DataSource = dataSource
testCase.PvCheck = func(claim *v1.PersistentVolumeClaim, volume *v1.PersistentVolume) {
l.pvc.Spec.DataSource = dataSource
l.testCase.PvCheck = func(claim *v1.PersistentVolumeClaim, volume *v1.PersistentVolume) {
By("checking whether the created volume has the pre-populated data")
command := fmt.Sprintf("grep '%s' /mnt/test/initialData", claim.Namespace)
RunInPodWithVolume(cs, claim.Namespace, claim.Name, "pvc-snapshot-tester", command, NodeSelection{Name: config.ClientNodeName})
RunInPodWithVolume(l.cs, claim.Namespace, claim.Name, "pvc-snapshot-tester", command, NodeSelection{Name: l.config.ClientNodeName})
}
testCase.TestDynamicProvisioning()
l.testCase.TestDynamicProvisioning()
})
It("should allow concurrent writes on the same node", func() {
@@ -228,7 +234,7 @@ func (p *provisioningTestSuite) defineTests(driver TestDriver, pattern testpatte
init()
defer cleanup()
testCase.PvCheck = func(claim *v1.PersistentVolumeClaim, volume *v1.PersistentVolume) {
l.testCase.PvCheck = func(claim *v1.PersistentVolumeClaim, volume *v1.PersistentVolume) {
// We start two pods concurrently on the same node,
// using the same PVC. Both wait for other to create a
// file before returning. The pods are forced onto the
@@ -241,7 +247,7 @@ func (p *provisioningTestSuite) defineTests(driver TestDriver, pattern testpatte
defer GinkgoRecover()
defer wg.Done()
node := NodeSelection{
Name: config.ClientNodeName,
Name: l.config.ClientNodeName,
}
if podName == secondPodName {
node.Affinity = &v1.Affinity{
@@ -259,13 +265,13 @@ func (p *provisioningTestSuite) defineTests(driver TestDriver, pattern testpatte
},
}
}
RunInPodWithVolume(cs, claim.Namespace, claim.Name, podName, command, node)
RunInPodWithVolume(l.cs, claim.Namespace, claim.Name, podName, command, node)
}
go run(firstPodName, "touch /mnt/test/first && while ! [ -f /mnt/test/second ]; do sleep 1; done")
go run(secondPodName, "touch /mnt/test/second && while ! [ -f /mnt/test/first ]; do sleep 1; done")
wg.Wait()
}
testCase.TestDynamicProvisioning()
l.testCase.TestDynamicProvisioning()
})
}