Add support for overlay volume mounts in podman.

Add support -v for overlay volume mounts in podman.

Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>

Signed-off-by: Qi Wang <qiwan@redhat.com>

1 files changed, 19 insertions, 10 deletions

diff --git a/libpod/options.go b/libpod/options.go
index 32748a3c1..40cf452db 100644
--- a/libpod/options.go
+++ b/libpod/options.go
@@ -1380,17 +1380,7 @@ func WithNamedVolumes(volumes []*ContainerNamedVolume) CtrCreateOption {
 			return define.ErrCtrFinalized
 		}
 
-		destinations := make(map[string]bool)
-
 		for _, vol := range volumes {
-			// Don't check if they already exist.
-			// If they don't we will automatically create them.
-
-			if _, ok := destinations[vol.Dest]; ok {
-				return errors.Wrapf(define.ErrInvalidArg, "two volumes found with destination %s", vol.Dest)
-			}
-			destinations[vol.Dest] = true
-
 			mountOpts, err := util.ProcessOptions(vol.Options, false, "")
 			if err != nil {
 				return errors.Wrapf(err, "error processing options for named volume %q mounted at %q", vol.Name, vol.Dest)
@@ -1407,6 +1397,25 @@ func WithNamedVolumes(volumes []*ContainerNamedVolume) CtrCreateOption {
 	}
 }
 
+// WithOverlayVolumes adds the given overlay volumes to the container.
+func WithOverlayVolumes(volumes []*ContainerOverlayVolume) CtrCreateOption {
+	return func(ctr *Container) error {
+		if ctr.valid {
+			return define.ErrCtrFinalized
+		}
+
+		for _, vol := range volumes {
+
+			ctr.config.OverlayVolumes = append(ctr.config.OverlayVolumes, &ContainerOverlayVolume{
+				Dest:   vol.Dest,
+				Source: vol.Source,
+			})
+		}
+
+		return nil
+	}
+}
+
 // WithHealthCheck adds the healthcheck to the container config
 func WithHealthCheck(healthCheck *manifest.Schema2HealthConfig) CtrCreateOption {
 	return func(ctr *Container) error {