package local // import "github.com/docker/docker/volume/local" import ( "io/ioutil" "os" "path/filepath" "reflect" "runtime" "strings" "testing" "github.com/docker/docker/pkg/idtools" "github.com/docker/docker/pkg/mount" "gotest.tools/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 := ioutil.TempDir("", "local-volume-test") if err != nil { t.Fatal(err) } defer os.RemoveAll(rootDir) r, err := New(rootDir, idtools.IDPair{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 := ioutil.TempDir("", "local-volume-test") if err != nil { t.Fatal(err) } defer os.RemoveAll(rootDir) r, err := New(rootDir, idtools.IDPair{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.IDPair{UID: os.Getuid(), 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 := ioutil.TempDir("", "local-volume-test") if err != nil { t.Fatal(err) } defer os.RemoveAll(rootDir) r, err := New(rootDir, idtools.IDPair{UID: os.Getuid(), 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) } } } r, err = New(rootDir, idtools.IDPair{UID: os.Getuid(), 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 := ioutil.TempDir("", "local-volume-test") if err != nil { t.Fatal(err) } defer os.RemoveAll(rootDir) r, err := New(rootDir, idtools.IDPair{UID: os.Getuid(), 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 := mount.GetMounts(mount.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.VfsOpts, "uid=1000") { t.Fatalf("expected mount info to have uid=1000: %q", info.VfsOpts) } if !strings.Contains(info.VfsOpts, "size=1024k") { t.Fatalf("expected mount info to have size=1024k: %q", info.VfsOpts) } 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 := mount.Mounted(v.path) if err != nil { t.Fatal(err) } if !mounted { t.Fatal("expected mount to still be active") } r, err = New(rootDir, idtools.IDPair{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 := ioutil.TempDir("", "volume-test-reload-no-opts") if err != nil { t.Fatal(err) } defer os.RemoveAll(rootDir) r, err := New(rootDir, idtools.IDPair{UID: os.Getuid(), 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 := ioutil.WriteFile(filepath.Join(rootDir, "test2"), []byte("null"), 600); 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 := ioutil.WriteFile(filepath.Join(rootDir, "test3"), nil, 600); err != nil { t.Fatal(err) } if _, err := r.Create("test4", map[string]string{}); err != nil { t.Fatal(err) } r, err = New(rootDir, idtools.IDPair{UID: os.Getuid(), 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) } } }