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Merge pull request #7295 from vishh/rbind

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Make lxc driver rbind all user specified mounts.
This commit is contained in:
Michael Crosby 2014-08-01 10:25:45 -07:00
commit 5d2a62d8de
2 changed files with 42 additions and 2 deletions
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4
daemon/execdriver/lxc/lxc_template.go
View file

@ -75,9 +75,9 @@ lxc.mount.entry = shm {{escapeFstabSpaces $ROOTFS}}/dev/shm tmpfs {{formatMountL
{{range $value := .Mounts}}
{{if $value.Writable}}
lxc.mount.entry = {{$value.Source}} {{escapeFstabSpaces $ROOTFS}}/{{escapeFstabSpaces $value.Destination}} none bind,rw 0 0
lxc.mount.entry = {{$value.Source}} {{escapeFstabSpaces $ROOTFS}}/{{escapeFstabSpaces $value.Destination}} none rbind,rw 0 0
{{else}}
lxc.mount.entry = {{$value.Source}} {{escapeFstabSpaces $ROOTFS}}/{{escapeFstabSpaces $value.Destination}} none bind,ro 0 0
lxc.mount.entry = {{$value.Source}} {{escapeFstabSpaces $ROOTFS}}/{{escapeFstabSpaces $value.Destination}} none rbind,ro 0 0
{{end}}
{{end}}

40
integration-cli/docker_cli_run_test.go
View file

@ -5,6 +5,7 @@ import (
"io/ioutil"
"os"
"os/exec"
"path/filepath"
"reflect"
"regexp"
"sort"
@ -12,6 +13,7 @@ import (
"sync"
"testing"
"github.com/docker/docker/pkg/mount"
"github.com/docker/docker/pkg/networkfs/resolvconf"
)
@ -1142,6 +1144,44 @@ func TestDisallowBindMountingRootToRoot(t *testing.T) {
logDone("run - bind mount /:/ as volume should fail")
}
// Test recursive bind mount works by default
func TestDockerRunWithVolumesIsRecursive(t *testing.T) {
tmpDir, err := ioutil.TempDir("", "docker_recursive_mount_test")
if err != nil {
t.Fatal(err)
}
defer os.RemoveAll(tmpDir)
// Create a temporary tmpfs mount.
tmpfsDir := filepath.Join(tmpDir, "tmpfs")
if err := os.MkdirAll(tmpfsDir, 0777); err != nil {
t.Fatalf("failed to mkdir at %s - %s", tmpfsDir, err)
}
if err := mount.Mount("tmpfs", tmpfsDir, "tmpfs", ""); err != nil {
t.Fatalf("failed to create a tmpfs mount at %s - %s", tmpfsDir, err)
}
f, err := ioutil.TempFile(tmpfsDir, "touch-me")
if err != nil {
t.Fatal(err)
}
defer f.Close()
runCmd := exec.Command(dockerBinary, "run", "--name", "test-data", "--volume", fmt.Sprintf("%s:/tmp:ro", tmpDir), "busybox:latest", "ls", "/tmp/tmpfs")
out, stderr, exitCode, err := runCommandWithStdoutStderr(runCmd)
if err != nil && exitCode != 0 {
t.Fatal(out, stderr, err)
}
if !strings.Contains(out, filepath.Base(f.Name())) {
t.Fatal("Recursive bind mount test failed. Expected file not found")
}
deleteAllContainers()
logDone("run - volumes are bind mounted recuursively")
}
func TestDnsDefaultOptions(t *testing.T) {
cmd := exec.Command(dockerBinary, "run", "busybox", "cat", "/etc/resolv.conf")