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, 0 deletions

diff --git a/libpod/container_validate.go b/libpod/container_validate.go
index c02833359..666ad0aca 100644
--- a/libpod/container_validate.go
+++ b/libpod/container_validate.go
@@ -99,5 +99,24 @@ func (c *Container) validate() error {
 		return errors.Wrapf(define.ErrInvalidArg, "cannot add to /etc/hosts if using image's /etc/hosts")
 	}
 
+	// Check named volume and overlay volumes destination conflits
+	destinations := make(map[string]bool)
+	for _, vol := range c.config.NamedVolumes {
+		// 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
+	}
+	for _, vol := range c.config.OverlayVolumes {
+		// 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
+	}
+
 	return nil
 }