Pass mount info to containerd.

Signed-off-by: Shishir Mahajan <smahajan@roblox.com>

containerd/containerd.go

@@ -6,6 +6,7 @@ import (
 	"github.com/containerd/containerd"
 	"github.com/containerd/containerd/cio"
 	"github.com/containerd/containerd/oci"
+	specs "github.com/opencontainers/runtime-spec/specs-go"
 )
 
 func (d *Driver) isContainerdRunning() (bool, error) {
@@ -68,6 +69,21 @@ func (d *Driver) createContainer(image containerd.Image, containerName, containe
 		opts = append(opts, oci.WithLinuxDevice(device, "rwm"))
 	}
 
+	// Set mounts.
+	mounts := make([]specs.Mount, 0)
+	for _, mount := range config.Mounts {
+		m := specs.Mount{}
+		m.Type = mount.Type
+		m.Destination = mount.Target
+		m.Source = mount.Source
+		m.Options = mount.Options
+		mounts = append(mounts, m)
+	}
+
+	if len(mounts) > 0 {
+		opts = append(opts, oci.WithMounts(mounts))
+	}
+
 	return d.client.NewContainer(
 		d.ctxContainerd,
 		containerName,

go.mod

@@ -40,6 +40,7 @@ require (
 	github.com/moby/moby v1.13.1
 	github.com/mrunalp/fileutils v0.0.0-20171103030105-7d4729fb3618 // indirect
 	github.com/opencontainers/runc v1.0.0-rc8.0.20190611121236-6cc515888830 // indirect
+	github.com/opencontainers/runtime-spec v1.0.2
 	github.com/opencontainers/selinux v1.3.1 // indirect
 	github.com/seccomp/libseccomp-golang v0.9.1 // indirect
 	github.com/shirou/gopsutil v2.19.11+incompatible // indirect