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We want to allow the sharing of /dev from the host into the container.

docker run -v /dev:/dev should stop mounting other default mounts in i
libcontainer otherwise directories and devices like /dev/ptx get mishandled.

We want to be able to run libvirtd for launching vms and it needs
access to the hosts /dev. This is a key componant of OpenStack.

Docker-DCO-1.1-Signed-off-by: Dan Walsh <dwalsh@redhat.com> (github: rhatdan)

Dan Walsh authored on 2015/03/19 02:56:47
Showing 1 changed files

daemon/execdriver/native/create.go

History View file @ fe9fe14

@@ -220,8 +220,12 @@ func (d *driver) setupMounts(container *configs.Config, c *execdriver.Command) e
                      	// Filter out mounts that are overriden by user supplied mounts
                      	var defaultMounts []*configs.Mount
                     +	_, mountDev := userMounts["/dev"]
                      	for _, m := range container.Mounts {
                      		if _, ok := userMounts[m.Destination]; !ok {
                     +			if mountDev && strings.HasPrefix(m.Destination, "/dev/") {
                     +				continue
                     +			}
                      			defaultMounts = append(defaultMounts, m)
+                     		}
+                     	}