mirror of
https://github.com/moby/moby.git
synced 2022-11-09 12:21:53 -05:00
c55a4ac779
The io/ioutil package has been deprecated in Go 1.16. This commit replaces the existing io/ioutil functions with their new definitions in io and os packages. Signed-off-by: Eng Zer Jun <engzerjun@gmail.com>
334 lines
7.5 KiB
Go
334 lines
7.5 KiB
Go
package local // import "github.com/docker/docker/volume/local"
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import (
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"os"
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"path/filepath"
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"reflect"
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"runtime"
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"strings"
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"testing"
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"github.com/docker/docker/pkg/idtools"
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"github.com/moby/sys/mountinfo"
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"gotest.tools/v3/skip"
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)
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func TestGetAddress(t *testing.T) {
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cases := map[string]string{
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"addr=11.11.11.1": "11.11.11.1",
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" ": "",
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"addr=": "",
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"addr=2001:db8::68": "2001:db8::68",
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}
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for name, success := range cases {
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v := getAddress(name)
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if v != success {
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t.Errorf("Test case failed for %s actual: %s expected : %s", name, v, success)
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}
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}
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}
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func TestRemove(t *testing.T) {
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skip.If(t, runtime.GOOS == "windows", "FIXME: investigate why this test fails on CI")
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rootDir, err := os.MkdirTemp("", "local-volume-test")
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if err != nil {
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t.Fatal(err)
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}
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defer os.RemoveAll(rootDir)
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r, err := New(rootDir, idtools.Identity{UID: os.Geteuid(), GID: os.Getegid()})
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if err != nil {
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t.Fatal(err)
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}
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vol, err := r.Create("testing", nil)
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if err != nil {
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t.Fatal(err)
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}
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if err := r.Remove(vol); err != nil {
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t.Fatal(err)
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}
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vol, err = r.Create("testing2", nil)
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if err != nil {
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t.Fatal(err)
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}
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if err := os.RemoveAll(vol.Path()); err != nil {
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t.Fatal(err)
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}
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if err := r.Remove(vol); err != nil {
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t.Fatal(err)
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}
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if _, err := os.Stat(vol.Path()); err != nil && !os.IsNotExist(err) {
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t.Fatal("volume dir not removed")
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}
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if l, _ := r.List(); len(l) != 0 {
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t.Fatal("expected there to be no volumes")
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}
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}
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func TestInitializeWithVolumes(t *testing.T) {
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rootDir, err := os.MkdirTemp("", "local-volume-test")
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if err != nil {
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t.Fatal(err)
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}
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defer os.RemoveAll(rootDir)
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r, err := New(rootDir, idtools.Identity{UID: os.Geteuid(), GID: os.Getegid()})
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if err != nil {
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t.Fatal(err)
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}
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vol, err := r.Create("testing", nil)
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if err != nil {
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t.Fatal(err)
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}
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r, err = New(rootDir, idtools.Identity{UID: os.Geteuid(), GID: os.Getegid()})
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if err != nil {
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t.Fatal(err)
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}
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v, err := r.Get(vol.Name())
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if err != nil {
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t.Fatal(err)
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}
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if v.Path() != vol.Path() {
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t.Fatal("expected to re-initialize root with existing volumes")
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}
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}
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func TestCreate(t *testing.T) {
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rootDir, err := os.MkdirTemp("", "local-volume-test")
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if err != nil {
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t.Fatal(err)
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}
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defer os.RemoveAll(rootDir)
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r, err := New(rootDir, idtools.Identity{UID: os.Geteuid(), GID: os.Getegid()})
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if err != nil {
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t.Fatal(err)
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}
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cases := map[string]bool{
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"name": true,
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"name-with-dash": true,
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"name_with_underscore": true,
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"name/with/slash": false,
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"name/with/../../slash": false,
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"./name": false,
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"../name": false,
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"./": false,
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"../": false,
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"~": false,
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".": false,
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"..": false,
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"...": false,
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}
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for name, success := range cases {
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v, err := r.Create(name, nil)
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if success {
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if err != nil {
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t.Fatal(err)
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}
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if v.Name() != name {
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t.Fatalf("Expected volume with name %s, got %s", name, v.Name())
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}
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} else {
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if err == nil {
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t.Fatalf("Expected error creating volume with name %s, got nil", name)
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}
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}
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}
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_, err = New(rootDir, idtools.Identity{UID: os.Geteuid(), GID: os.Getegid()})
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if err != nil {
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t.Fatal(err)
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}
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}
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func TestValidateName(t *testing.T) {
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r := &Root{}
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names := map[string]bool{
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"x": false,
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"/testvol": false,
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"thing.d": true,
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"hello-world": true,
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"./hello": false,
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".hello": false,
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}
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for vol, expected := range names {
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err := r.validateName(vol)
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if expected && err != nil {
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t.Fatalf("expected %s to be valid got %v", vol, err)
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}
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if !expected && err == nil {
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t.Fatalf("expected %s to be invalid", vol)
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}
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}
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}
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func TestCreateWithOpts(t *testing.T) {
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skip.If(t, runtime.GOOS == "windows")
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skip.If(t, os.Getuid() != 0, "requires mounts")
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rootDir, err := os.MkdirTemp("", "local-volume-test")
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if err != nil {
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t.Fatal(err)
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}
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defer os.RemoveAll(rootDir)
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r, err := New(rootDir, idtools.Identity{UID: os.Geteuid(), GID: os.Getegid()})
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if err != nil {
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t.Fatal(err)
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}
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if _, err := r.Create("test", map[string]string{"invalidopt": "notsupported"}); err == nil {
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t.Fatal("expected invalid opt to cause error")
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}
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vol, err := r.Create("test", map[string]string{"device": "tmpfs", "type": "tmpfs", "o": "size=1m,uid=1000"})
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if err != nil {
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t.Fatal(err)
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}
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v := vol.(*localVolume)
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dir, err := v.Mount("1234")
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if err != nil {
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t.Fatal(err)
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}
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defer func() {
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if err := v.Unmount("1234"); err != nil {
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t.Fatal(err)
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}
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}()
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mountInfos, err := mountinfo.GetMounts(mountinfo.SingleEntryFilter(dir))
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if err != nil {
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t.Fatal(err)
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}
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if len(mountInfos) != 1 {
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t.Fatalf("expected 1 mount, found %d: %+v", len(mountInfos), mountInfos)
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}
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info := mountInfos[0]
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t.Logf("%+v", info)
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if info.FSType != "tmpfs" {
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t.Fatalf("expected tmpfs mount, got %q", info.FSType)
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}
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if info.Source != "tmpfs" {
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t.Fatalf("expected tmpfs mount, got %q", info.Source)
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}
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if !strings.Contains(info.VFSOptions, "uid=1000") {
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t.Fatalf("expected mount info to have uid=1000: %q", info.VFSOptions)
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}
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if !strings.Contains(info.VFSOptions, "size=1024k") {
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t.Fatalf("expected mount info to have size=1024k: %q", info.VFSOptions)
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}
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if v.active.count != 1 {
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t.Fatalf("Expected active mount count to be 1, got %d", v.active.count)
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}
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// test double mount
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if _, err := v.Mount("1234"); err != nil {
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t.Fatal(err)
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}
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if v.active.count != 2 {
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t.Fatalf("Expected active mount count to be 2, got %d", v.active.count)
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}
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if err := v.Unmount("1234"); err != nil {
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t.Fatal(err)
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}
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if v.active.count != 1 {
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t.Fatalf("Expected active mount count to be 1, got %d", v.active.count)
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}
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mounted, err := mountinfo.Mounted(v.path)
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if err != nil {
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t.Fatal(err)
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}
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if !mounted {
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t.Fatal("expected mount to still be active")
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}
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r, err = New(rootDir, idtools.Identity{UID: 0, GID: 0})
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if err != nil {
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t.Fatal(err)
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}
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v2, exists := r.volumes["test"]
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if !exists {
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t.Fatal("missing volume on restart")
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}
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if !reflect.DeepEqual(v.opts, v2.opts) {
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t.Fatal("missing volume options on restart")
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}
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}
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func TestRelaodNoOpts(t *testing.T) {
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rootDir, err := os.MkdirTemp("", "volume-test-reload-no-opts")
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if err != nil {
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t.Fatal(err)
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}
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defer os.RemoveAll(rootDir)
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r, err := New(rootDir, idtools.Identity{UID: os.Geteuid(), GID: os.Getegid()})
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if err != nil {
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t.Fatal(err)
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}
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if _, err := r.Create("test1", nil); err != nil {
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t.Fatal(err)
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}
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if _, err := r.Create("test2", nil); err != nil {
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t.Fatal(err)
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}
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// make sure a file with `null` (.e.g. empty opts map from older daemon) is ok
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if err := os.WriteFile(filepath.Join(rootDir, "test2"), []byte("null"), 0600); err != nil {
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t.Fatal(err)
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}
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if _, err := r.Create("test3", nil); err != nil {
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t.Fatal(err)
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}
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// make sure an empty opts file doesn't break us too
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if err := os.WriteFile(filepath.Join(rootDir, "test3"), nil, 0600); err != nil {
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t.Fatal(err)
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}
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if _, err := r.Create("test4", map[string]string{}); err != nil {
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t.Fatal(err)
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}
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r, err = New(rootDir, idtools.Identity{UID: os.Geteuid(), GID: os.Getegid()})
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if err != nil {
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t.Fatal(err)
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}
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for _, name := range []string{"test1", "test2", "test3", "test4"} {
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v, err := r.Get(name)
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if err != nil {
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t.Fatal(err)
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}
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lv, ok := v.(*localVolume)
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if !ok {
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t.Fatalf("expected *localVolume got: %v", reflect.TypeOf(v))
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}
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if lv.opts != nil {
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t.Fatalf("expected opts to be nil, got: %v", lv.opts)
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}
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if _, err := lv.Mount("1234"); err != nil {
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t.Fatal(err)
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}
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}
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}
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