| 1 | //go:build linux |
| 2 | |
| 3 | package hostbox |
| 4 | |
| 5 | import ( |
| 6 | "context" |
| 7 | "errors" |
| 8 | "os" |
| 9 | "path/filepath" |
| 10 | "testing" |
| 11 | |
| 12 | "golang.org/x/sys/unix" |
| 13 | ) |
| 14 | |
| 15 | func TestPlan9Fix4MigrationSuccessRecoveryHoldsLock(t *testing.T) { |
| 16 | for _, marked := range []bool{false, true} { |
| 17 | t.Run(map[bool]string{false: "commit", true: "completed"}[marked], func(t *testing.T) { |
| 18 | service, _, _ := journalFixture(t) |
| 19 | legacy := t.TempDir() |
| 20 | if marked { |
| 21 | if err := service.MigrateLegacy(t.Context(), legacy, "box", "enrollment", nil, nil); err != nil { |
| 22 | t.Fatal(err) |
| 23 | } |
| 24 | } |
| 25 | lockPath := filepath.Join(filepath.Dir(service.Launches.path), "migration.lock") |
| 26 | called := false |
| 27 | err := service.MigrateLegacy(t.Context(), legacy, "box", "enrollment", nil, nil, func(ctx context.Context) error { |
| 28 | called = true |
| 29 | _, _, _, present, err := service.journalMigrationMarker(ctx) |
| 30 | if err != nil || !present { |
| 31 | t.Fatalf("recovery before commit: %v %v", present, err) |
| 32 | } |
| 33 | fd, err := unix.Open(lockPath, unix.O_RDWR|unix.O_CLOEXEC, 0) |
| 34 | if err != nil { |
| 35 | t.Fatal(err) |
| 36 | } |
| 37 | defer unix.Close(fd) |
| 38 | err = unix.Flock(fd, unix.LOCK_EX|unix.LOCK_NB) |
| 39 | if !errors.Is(err, unix.EWOULDBLOCK) { |
| 40 | t.Fatalf("recovery outside migration lock: %v", err) |
| 41 | } |
| 42 | return nil |
| 43 | }) |
| 44 | if err != nil || !called { |
| 45 | t.Fatalf("success recovery: called=%v err=%v", called, err) |
| 46 | } |
| 47 | fd, err := unix.Open(lockPath, unix.O_RDWR|unix.O_CLOEXEC, 0) |
| 48 | if err != nil { |
| 49 | t.Fatal(err) |
| 50 | } |
| 51 | defer unix.Close(fd) |
| 52 | if err = unix.Flock(fd, unix.LOCK_EX|unix.LOCK_NB); err != nil { |
| 53 | t.Fatalf("migration kept lock after recovery: %v", err) |
| 54 | } |
| 55 | }) |
| 56 | } |
| 57 | } |
| 58 | |
| 59 | func TestPlan9Fix4FailedMigrationDoesNotRecoverMask(t *testing.T) { |
| 60 | service, _, _ := journalFixture(t) |
| 61 | legacy := t.TempDir() |
| 62 | if err := os.WriteFile(filepath.Join(legacy, "launches.db"), []byte("partial legacy pair"), 0600); err != nil { |
| 63 | t.Fatal(err) |
| 64 | } |
| 65 | called := false |
| 66 | err := service.MigrateLegacy(t.Context(), legacy, "box", "enrollment", nil, nil, func(context.Context) error { called = true; return nil }) |
| 67 | if err == nil || called { |
| 68 | t.Fatalf("failed import ran success recovery: called=%v err=%v", called, err) |
| 69 | } |
| 70 | } |
| 71 | |
amadan