Merge pull request #15708 from Microsoft/sjw/graphdriver_missing_parent
Windows: Graphdriver should reject create of layer w/o parent Upstream-commit: 90801ab9398d80576003d31255dd08613393b741 Component: engine
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@@ -137,25 +137,16 @@ func (d *Driver) Create(id, parent string) error {
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}
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}
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if _, err := os.Lstat(d.dir(parent)); err == nil {
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if err := d.setLayerChain(id, layerChain); err != nil {
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if err2 := hcsshim.DestroyLayer(d.info, id); err2 != nil {
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logrus.Warnf("Failed to DestroyLayer %s: %s", id, err)
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}
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return err
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}
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} else if os.IsNotExist(err) {
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// If the parent doesn't exist, this must be a special creation for an image
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// registered at an alternate location. Use the parent id as the alternate ID.
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if err := d.setId(id, parent); err != nil {
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if err2 := hcsshim.DestroyLayer(d.info, id); err2 != nil {
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logrus.Warnf("Failed to DestroyLayer %s: %s", id, err)
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}
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return err
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}
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} else {
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if _, err := os.Lstat(d.dir(parent)); err != nil {
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if err2 := hcsshim.DestroyLayer(d.info, id); err2 != nil {
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logrus.Warnf("Failed to DestroyLayer %s: %s", id, err)
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logrus.Warnf("Failed to DestroyLayer %s: %s", id, err2)
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}
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return fmt.Errorf("Cannot create layer with missing parent %s: %s", parent, err)
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}
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if err := d.setLayerChain(id, layerChain); err != nil {
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if err2 := hcsshim.DestroyLayer(d.info, id); err2 != nil {
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logrus.Warnf("Failed to DestroyLayer %s: %s", id, err2)
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}
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return err
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}
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