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-rw-r--r--vendor/github.com/Microsoft/hcsshim/internal/wclayer/createscratchlayer.go31
1 files changed, 31 insertions, 0 deletions
diff --git a/vendor/github.com/Microsoft/hcsshim/internal/wclayer/createscratchlayer.go b/vendor/github.com/Microsoft/hcsshim/internal/wclayer/createscratchlayer.go
new file mode 100644
index 000000000..bf2fece19
--- /dev/null
+++ b/vendor/github.com/Microsoft/hcsshim/internal/wclayer/createscratchlayer.go
@@ -0,0 +1,31 @@
+package wclayer
+
+import (
+ "github.com/Microsoft/hcsshim/internal/hcserror"
+ "github.com/sirupsen/logrus"
+)
+
+// CreateScratchLayer creates and populates new read-write layer for use by a container.
+// This requires both the id of the direct parent layer, as well as the full list
+// of paths to all parent layers up to the base (and including the direct parent
+// whose id was provided).
+func CreateScratchLayer(path string, parentLayerPaths []string) error {
+ title := "hcsshim::CreateScratchLayer "
+ logrus.Debugf(title+"path %s", path)
+
+ // Generate layer descriptors
+ layers, err := layerPathsToDescriptors(parentLayerPaths)
+ if err != nil {
+ return err
+ }
+
+ err = createSandboxLayer(&stdDriverInfo, path, 0, layers)
+ if err != nil {
+ err = hcserror.Errorf(err, title, "path=%s", path)
+ logrus.Error(err)
+ return err
+ }
+
+ logrus.Debugf(title+"- succeeded path=%s", path)
+ return nil
+}