func TestBtrfsSubvolDelete(t *testing.T) {
d := graphtest.GetDriver(t, "btrfs")
if err := d.Create("test", "", "", nil); err != nil {
t.Fatal(err)
}
defer graphtest.PutDriver(t)
dir, err := d.Get("test", "")
if err != nil {
t.Fatal(err)
}
defer d.Put("test")
if err := subvolCreate(dir, "subvoltest"); err != nil {
t.Fatal(err)
}
if _, err := os.Stat(path.Join(dir, "subvoltest")); err != nil {
t.Fatal(err)
}
if err := d.Remove("test"); err != nil {
t.Fatal(err)
}
if _, err := os.Stat(path.Join(dir, "subvoltest")); !os.IsNotExist(err) {
t.Fatalf("expected not exist error on nested subvol, got: %v", err)
}
}
// Make sure devices.Lock() has been release upon return from cleanupDeletedDevices() function
func TestDevmapperLockReleasedDeviceDeletion(t *testing.T) {
driver := graphtest.GetDriver(t, "devicemapper").(*graphtest.Driver).Driver.(*graphdriver.NaiveDiffDriver).ProtoDriver.(*Driver)
defer graphtest.PutDriver(t)
// Call cleanupDeletedDevices() and after the call take and release
// DeviceSet Lock. If lock has not been released, this will hang.
driver.DeviceSet.cleanupDeletedDevices()
doneChan := make(chan bool)
go func() {
driver.DeviceSet.Lock()
defer driver.DeviceSet.Unlock()
doneChan <- true
}()
select {
case <-time.After(time.Second * 5):
// Timer expired. That means lock was not released upon
// function return and we are deadlocked. Release lock
// here so that cleanup could succeed and fail the test.
driver.DeviceSet.Unlock()
t.Fatalf("Could not acquire devices lock after call to cleanupDeletedDevices()")
case <-doneChan:
}
}
func testChangeLoopBackSize(t *testing.T, delta, expectDataSize, expectMetaDataSize int64) {
driver := graphtest.GetDriver(t, "devicemapper").(*graphtest.Driver).Driver.(*graphdriver.NaiveDiffDriver).ProtoDriver.(*Driver)
defer graphtest.PutDriver(t)
// make sure data or metadata loopback size are the default size
if s := driver.DeviceSet.Status(); s.Data.Total != uint64(defaultDataLoopbackSize) || s.Metadata.Total != uint64(defaultMetaDataLoopbackSize) {
t.Fatalf("data or metadata loop back size is incorrect")
}
if err := driver.Cleanup(); err != nil {
t.Fatal(err)
}
//Reload
d, err := Init(driver.home, []string{
fmt.Sprintf("dm.loopdatasize=%d", defaultDataLoopbackSize+delta),
fmt.Sprintf("dm.loopmetadatasize=%d", defaultMetaDataLoopbackSize+delta),
}, nil, nil)
if err != nil {
t.Fatalf("error creating devicemapper driver: %v", err)
}
driver = d.(*graphdriver.NaiveDiffDriver).ProtoDriver.(*Driver)
if s := driver.DeviceSet.Status(); s.Data.Total != uint64(expectDataSize) || s.Metadata.Total != uint64(expectMetaDataSize) {
t.Fatalf("data or metadata loop back size is incorrect")
}
if err := driver.Cleanup(); err != nil {
t.Fatal(err)
}
}
func TestDevmapperTeardown(t *testing.T) {
graphtest.PutDriver(t)
}
func TestVfsTeardown(t *testing.T) {
graphtest.PutDriver(t)
}
func TestOverlayTeardown(t *testing.T) {
graphtest.PutDriver(t)
}