diff options
Diffstat (limited to 'vendor/github.com/Microsoft/hcsshim/internal/wclayer/layerexists.go')
-rw-r--r-- | vendor/github.com/Microsoft/hcsshim/internal/wclayer/layerexists.go | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/vendor/github.com/Microsoft/hcsshim/internal/wclayer/layerexists.go b/vendor/github.com/Microsoft/hcsshim/internal/wclayer/layerexists.go new file mode 100644 index 000000000..71287ff8a --- /dev/null +++ b/vendor/github.com/Microsoft/hcsshim/internal/wclayer/layerexists.go @@ -0,0 +1,25 @@ +package wclayer + +import ( + "github.com/Microsoft/hcsshim/internal/hcserror" + "github.com/sirupsen/logrus" +) + +// LayerExists will return true if a layer with the given id exists and is known +// to the system. +func LayerExists(path string) (bool, error) { + title := "hcsshim::LayerExists " + logrus.Debugf(title+"path %s", path) + + // Call the procedure itself. + var exists uint32 + err := layerExists(&stdDriverInfo, path, &exists) + if err != nil { + err = hcserror.Errorf(err, title, "path=%s", path) + logrus.Error(err) + return false, err + } + + logrus.Debugf(title+"succeeded path=%s exists=%d", path, exists) + return exists != 0, nil +} |