fix: set mountpoint RW and Propagation in internal mount label

Signed-off-by: baijia <baijia.wr@antgroup.com>

cmd/nerdctl/container_inspect_linux_test.go

@@ -22,6 +22,7 @@ import (
 	"testing"
 
 	"github.com/containerd/nerdctl/v2/pkg/inspecttypes/dockercompat"
+	"github.com/containerd/nerdctl/v2/pkg/labels"
 	"github.com/containerd/nerdctl/v2/pkg/testutil"
 	"github.com/docker/go-connections/nat"
 	"gotest.tools/v3/assert"
@@ -147,13 +148,18 @@ func TestContainerInspectContainsLabel(t *testing.T) {
 	base := testutil.NewBase(t)
 	defer base.Cmd("rm", "-f", testContainer).Run()
 
-	base.Cmd("run", "-d", "--name", testContainer, "--label", "foo=foo", "--label", "bar=bar", testutil.NginxAlpineImage).AssertOK()
+	base.Cmd("run", "-d", "--name", testContainer, "--label", "foo=foo", "--label", "bar=bar", "--mount", "type=bind,src=/tmp,dst=/app,readonly=false,bind-propagation=rshared", testutil.NginxAlpineImage).AssertOK()
 	base.EnsureContainerStarted(testContainer)
 	inspect := base.InspectContainer(testContainer)
 	lbs := inspect.Config.Labels
 
 	assert.Equal(base.T, "foo", lbs["foo"])
 	assert.Equal(base.T, "bar", lbs["bar"])
+
+	// internal labels
+	labelMount := lbs[labels.Mounts]
+	expectedLabelMount := "[{\"Type\":\"bind\",\"Source\":\"/tmp\",\"Destination\":\"/app\",\"Mode\":\"rshared,rbind\",\"RW\":true,\"Propagation\":\"rshared\"}]"
+	assert.Equal(base.T, expectedLabelMount, labelMount)
 }
 
 func TestContainerInspectState(t *testing.T) {

pkg/cmd/container/create.go

@@ -683,6 +683,7 @@ func dockercompatMounts(mountPoints []*mountutil.Processed) []dockercompat.Mount
 			Driver:      "",
 			Mode:        mp.Mode,
 		}
+		result[i].RW, result[i].Propagation = dockercompat.ParseMountProperties(strings.Split(mp.Mode, ","))
 
 		// it's an anonymous volume
 		if mp.AnonymousVolume != "" {

pkg/inspecttypes/dockercompat/dockercompat.go

@@ -32,7 +32,6 @@ import (
 	"path/filepath"
 	"runtime"
 	"strconv"
-	"strings"
 	"time"
 
 	"github.com/containerd/containerd"
@@ -485,18 +484,12 @@ func parseMounts(nerdctlMounts string) ([]MountPoint, error) {
 		return nil, err
 	}
 
-	for i := range mounts {
-		rw, propagation := parseMountProperties(mounts[i].Mode)
-		mounts[i].RW = rw
-		mounts[i].Propagation = propagation
-	}
-
 	return mounts, nil
 }
 
-func parseMountProperties(option string) (rw bool, propagation string) {
+func ParseMountProperties(option []string) (rw bool, propagation string) {
 	rw = true
-	for _, opt := range strings.Split(option, ",") {
+	for _, opt := range option {
 		switch opt {
 		case "ro", "rro":
 			rw = false