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|
package local // import "github.com/docker/docker/volume/local"
import (
"os"
"path/filepath"
"reflect"
"runtime"
"strings"
"testing"
"github.com/docker/docker/pkg/idtools"
"github.com/moby/sys/mountinfo"
"gotest.tools/v3/skip"
)
func TestGetAddress(t *testing.T) {
cases := map[string]string{
"addr=11.11.11.1": "11.11.11.1",
" ": "",
"addr=": "",
"addr=2001:db8::68": "2001:db8::68",
}
for name, success := range cases {
v := getAddress(name)
if v != success {
t.Errorf("Test case failed for %s actual: %s expected : %s", name, v, success)
}
}
}
func TestRemove(t *testing.T) {
skip.If(t, runtime.GOOS == "windows", "FIXME: investigate why this test fails on CI")
rootDir, err := os.MkdirTemp("", "local-volume-test")
if err != nil {
t.Fatal(err)
}
defer os.RemoveAll(rootDir)
r, err := New(rootDir, idtools.Identity{UID: os.Geteuid(), GID: os.Getegid()})
if err != nil {
t.Fatal(err)
}
vol, err := r.Create("testing", nil)
if err != nil {
t.Fatal(err)
}
if err := r.Remove(vol); err != nil {
t.Fatal(err)
}
vol, err = r.Create("testing2", nil)
if err != nil {
t.Fatal(err)
}
if err := os.RemoveAll(vol.Path()); err != nil {
t.Fatal(err)
}
if err := r.Remove(vol); err != nil {
t.Fatal(err)
}
if _, err := os.Stat(vol.Path()); err != nil && !os.IsNotExist(err) {
t.Fatal("volume dir not removed")
}
if l, _ := r.List(); len(l) != 0 {
t.Fatal("expected there to be no volumes")
}
}
func TestInitializeWithVolumes(t *testing.T) {
rootDir, err := os.MkdirTemp("", "local-volume-test")
if err != nil {
t.Fatal(err)
}
defer os.RemoveAll(rootDir)
r, err := New(rootDir, idtools.Identity{UID: os.Geteuid(), GID: os.Getegid()})
if err != nil {
t.Fatal(err)
}
vol, err := r.Create("testing", nil)
if err != nil {
t.Fatal(err)
}
r, err = New(rootDir, idtools.Identity{UID: os.Geteuid(), GID: os.Getegid()})
if err != nil {
t.Fatal(err)
}
v, err := r.Get(vol.Name())
if err != nil {
t.Fatal(err)
}
if v.Path() != vol.Path() {
t.Fatal("expected to re-initialize root with existing volumes")
}
}
func TestCreate(t *testing.T) {
rootDir, err := os.MkdirTemp("", "local-volume-test")
if err != nil {
t.Fatal(err)
}
defer os.RemoveAll(rootDir)
r, err := New(rootDir, idtools.Identity{UID: os.Geteuid(), GID: os.Getegid()})
if err != nil {
t.Fatal(err)
}
cases := map[string]bool{
"name": true,
"name-with-dash": true,
"name_with_underscore": true,
"name/with/slash": false,
"name/with/../../slash": false,
"./name": false,
"../name": false,
"./": false,
"../": false,
"~": false,
".": false,
"..": false,
"...": false,
}
for name, success := range cases {
v, err := r.Create(name, nil)
if success {
if err != nil {
t.Fatal(err)
}
if v.Name() != name {
t.Fatalf("Expected volume with name %s, got %s", name, v.Name())
}
} else {
if err == nil {
t.Fatalf("Expected error creating volume with name %s, got nil", name)
}
}
}
_, err = New(rootDir, idtools.Identity{UID: os.Geteuid(), GID: os.Getegid()})
if err != nil {
t.Fatal(err)
}
}
func TestValidateName(t *testing.T) {
r := &Root{}
names := map[string]bool{
"x": false,
"/testvol": false,
"thing.d": true,
"hello-world": true,
"./hello": false,
".hello": false,
}
for vol, expected := range names {
err := r.validateName(vol)
if expected && err != nil {
t.Fatalf("expected %s to be valid got %v", vol, err)
}
if !expected && err == nil {
t.Fatalf("expected %s to be invalid", vol)
}
}
}
func TestCreateWithOpts(t *testing.T) {
skip.If(t, runtime.GOOS == "windows")
skip.If(t, os.Getuid() != 0, "requires mounts")
rootDir, err := os.MkdirTemp("", "local-volume-test")
if err != nil {
t.Fatal(err)
}
defer os.RemoveAll(rootDir)
r, err := New(rootDir, idtools.Identity{UID: os.Geteuid(), GID: os.Getegid()})
if err != nil {
t.Fatal(err)
}
if _, err := r.Create("test", map[string]string{"invalidopt": "notsupported"}); err == nil {
t.Fatal("expected invalid opt to cause error")
}
vol, err := r.Create("test", map[string]string{"device": "tmpfs", "type": "tmpfs", "o": "size=1m,uid=1000"})
if err != nil {
t.Fatal(err)
}
v := vol.(*localVolume)
dir, err := v.Mount("1234")
if err != nil {
t.Fatal(err)
}
defer func() {
if err := v.Unmount("1234"); err != nil {
t.Fatal(err)
}
}()
mountInfos, err := mountinfo.GetMounts(mountinfo.SingleEntryFilter(dir))
if err != nil {
t.Fatal(err)
}
if len(mountInfos) != 1 {
t.Fatalf("expected 1 mount, found %d: %+v", len(mountInfos), mountInfos)
}
info := mountInfos[0]
t.Logf("%+v", info)
if info.FSType != "tmpfs" {
t.Fatalf("expected tmpfs mount, got %q", info.FSType)
}
if info.Source != "tmpfs" {
t.Fatalf("expected tmpfs mount, got %q", info.Source)
}
if !strings.Contains(info.VFSOptions, "uid=1000") {
t.Fatalf("expected mount info to have uid=1000: %q", info.VFSOptions)
}
if !strings.Contains(info.VFSOptions, "size=1024k") {
t.Fatalf("expected mount info to have size=1024k: %q", info.VFSOptions)
}
if v.active.count != 1 {
t.Fatalf("Expected active mount count to be 1, got %d", v.active.count)
}
// test double mount
if _, err := v.Mount("1234"); err != nil {
t.Fatal(err)
}
if v.active.count != 2 {
t.Fatalf("Expected active mount count to be 2, got %d", v.active.count)
}
if err := v.Unmount("1234"); err != nil {
t.Fatal(err)
}
if v.active.count != 1 {
t.Fatalf("Expected active mount count to be 1, got %d", v.active.count)
}
mounted, err := mountinfo.Mounted(v.path)
if err != nil {
t.Fatal(err)
}
if !mounted {
t.Fatal("expected mount to still be active")
}
r, err = New(rootDir, idtools.Identity{UID: 0, GID: 0})
if err != nil {
t.Fatal(err)
}
v2, exists := r.volumes["test"]
if !exists {
t.Fatal("missing volume on restart")
}
if !reflect.DeepEqual(v.opts, v2.opts) {
t.Fatal("missing volume options on restart")
}
}
func TestRelaodNoOpts(t *testing.T) {
rootDir, err := os.MkdirTemp("", "volume-test-reload-no-opts")
if err != nil {
t.Fatal(err)
}
defer os.RemoveAll(rootDir)
r, err := New(rootDir, idtools.Identity{UID: os.Geteuid(), GID: os.Getegid()})
if err != nil {
t.Fatal(err)
}
if _, err := r.Create("test1", nil); err != nil {
t.Fatal(err)
}
if _, err := r.Create("test2", nil); err != nil {
t.Fatal(err)
}
// make sure a file with `null` (.e.g. empty opts map from older daemon) is ok
if err := os.WriteFile(filepath.Join(rootDir, "test2"), []byte("null"), 0600); err != nil {
t.Fatal(err)
}
if _, err := r.Create("test3", nil); err != nil {
t.Fatal(err)
}
// make sure an empty opts file doesn't break us too
if err := os.WriteFile(filepath.Join(rootDir, "test3"), nil, 0600); err != nil {
t.Fatal(err)
}
if _, err := r.Create("test4", map[string]string{}); err != nil {
t.Fatal(err)
}
r, err = New(rootDir, idtools.Identity{UID: os.Geteuid(), GID: os.Getegid()})
if err != nil {
t.Fatal(err)
}
for _, name := range []string{"test1", "test2", "test3", "test4"} {
v, err := r.Get(name)
if err != nil {
t.Fatal(err)
}
lv, ok := v.(*localVolume)
if !ok {
t.Fatalf("expected *localVolume got: %v", reflect.TypeOf(v))
}
if lv.opts != nil {
t.Fatalf("expected opts to be nil, got: %v", lv.opts)
}
if _, err := lv.Mount("1234"); err != nil {
t.Fatal(err)
}
}
}
|
