| 1 | //go:build linux |
| 2 | |
| 3 | package hostbox |
| 4 | |
| 5 | import ( |
| 6 | "context" |
| 7 | "errors" |
| 8 | "os" |
| 9 | "path/filepath" |
| 10 | "testing" |
| 11 | "time" |
| 12 | ) |
| 13 | |
| 14 | func TestPlan9JournalMigrationDurableAndNeverReimportsLegacy(t *testing.T) { |
| 15 | s, _, in := journalFixture(t) |
| 16 | legacy := t.TempDir() |
| 17 | old, err := OpenLaunchJournal(filepath.Join(legacy, "launches.db")) |
| 18 | if err != nil { |
| 19 | t.Fatal(err) |
| 20 | } |
| 21 | if err = old.Create(t.Context(), in); err != nil { |
| 22 | t.Fatal(err) |
| 23 | } |
| 24 | if err = old.Close(); err != nil { |
| 25 | t.Fatal(err) |
| 26 | } |
| 27 | inventory, err := OpenStopInventoryDB(filepath.Join(legacy, "inventory.db")) |
| 28 | if err != nil { |
| 29 | t.Fatal(err) |
| 30 | } |
| 31 | if err = inventory.WriteStopInventory(t.Context(), StopInventory{Complete: true, Host: in.Target.Host, Incarnation: "inc", InstallationStamp: 1, Box: "box", Enrollment: "enrollment", DirectoryRevision: "1"}); err != nil { |
| 32 | t.Fatal(err) |
| 33 | } |
| 34 | inventory.Close() |
| 35 | if err = s.MigrateLegacy(t.Context(), legacy, "box", "enrollment", nil, nil); err == nil { |
| 36 | t.Fatal("unquiesced import accepted") |
| 37 | } |
| 38 | released := false |
| 39 | freeze := func(context.Context) (func(), error) { return func() { released = true }, nil } |
| 40 | if err = s.MigrateLegacy(t.Context(), legacy, "box", "enrollment", freeze, nil); !errors.Is(err, ErrLegacyJournalProof) { |
| 41 | t.Fatalf("unproven legacy history: %v", err) |
| 42 | } |
| 43 | if got, err := s.Launches.HasHost(t.Context(), in.Target.Host); err != nil || got { |
| 44 | t.Fatalf("unproven history committed: %v %v", got, err) |
| 45 | } |
| 46 | if err = s.MigrateLegacy(t.Context(), legacy, "box", "enrollment", freeze, func(ctx context.Context, _ LaunchInventory, _ StopInventory, _ StopKernelJournal) error { |
| 47 | if deadline, ok := ctx.Deadline(); !ok || time.Until(deadline) > 120*time.Second { |
| 48 | t.Fatal("unbounded proof context") |
| 49 | } |
| 50 | if s.Launches.db.Stats().InUse != 0 { |
| 51 | t.Fatal("proof runs with root SQLite connection held") |
| 52 | } |
| 53 | probe, cancel := context.WithTimeout(ctx, 100*time.Millisecond) |
| 54 | defer cancel() |
| 55 | var one int |
| 56 | return s.Launches.db.QueryRowContext(probe, "SELECT 1").Scan(&one) |
| 57 | }); err != nil { |
| 58 | t.Fatal(err) |
| 59 | } |
| 60 | if !released { |
| 61 | t.Fatal("quiescence not released") |
| 62 | } |
| 63 | if _, err = s.Launches.Read(t.Context(), in.Target); err != nil { |
| 64 | t.Fatal(err) |
| 65 | } |
| 66 | if _, err = s.Inventory.ReadExactStopInventory(t.Context(), in.Target); err != nil { |
| 67 | t.Fatal(err) |
| 68 | } |
| 69 | // Root can continue writing. A stale legacy snapshot is never replayed. |
| 70 | if err = s.Launches.RecordProducer(t.Context(), in.Target, "new-producer"); err != nil { |
| 71 | t.Fatal(err) |
| 72 | } |
| 73 | if err = s.MigrateLegacy(t.Context(), legacy, "box", "enrollment", nil, nil); err != nil { |
| 74 | t.Fatal(err) |
| 75 | } |
| 76 | got, err := s.Launches.Read(t.Context(), in.Target) |
| 77 | if err != nil || len(got.ProducerIDs) != 1 { |
| 78 | t.Fatalf("stale import: %+v %v", got, err) |
| 79 | } |
| 80 | if _, err = os.Stat(filepath.Join(legacy, "launches.db")); err != nil { |
| 81 | t.Fatal("legacy evidence removed", err) |
| 82 | } |
| 83 | } |
| 84 | func TestPlan9JournalMigrationRejectsLinksAndRollsBackBothTables(t *testing.T) { |
| 85 | s, _, in := journalFixture(t) |
| 86 | legacy := t.TempDir() |
| 87 | old, err := OpenLaunchJournal(filepath.Join(legacy, "launches.db")) |
| 88 | if err != nil { |
| 89 | t.Fatal(err) |
| 90 | } |
| 91 | if err = old.Create(t.Context(), in); err != nil { |
| 92 | t.Fatal(err) |
| 93 | } |
| 94 | old.Close() |
| 95 | victim := filepath.Join(t.TempDir(), "victim") |
| 96 | if err = os.WriteFile(victim, []byte("unaltered"), 0600); err != nil { |
| 97 | t.Fatal(err) |
| 98 | } |
| 99 | if err = os.Symlink(victim, filepath.Join(legacy, "inventory.db")); err != nil { |
| 100 | t.Fatal(err) |
| 101 | } |
| 102 | freeze := func(context.Context) (func(), error) { return func() {}, nil } |
| 103 | if err = s.MigrateLegacy(t.Context(), legacy, "box", "enrollment", freeze, func(context.Context, LaunchInventory, StopInventory, StopKernelJournal) error { return nil }); err == nil { |
| 104 | t.Fatal("symlink import accepted") |
| 105 | } |
| 106 | if got, err := s.Launches.HasHost(t.Context(), in.Target.Host); err != nil || got { |
| 107 | t.Fatalf("partial migration: %v %v", got, err) |
| 108 | } |
| 109 | raw, err := os.ReadFile(victim) |
| 110 | if err != nil || string(raw) != "unaltered" { |
| 111 | t.Fatal("victim changed", err) |
| 112 | } |
| 113 | if err = os.Remove(filepath.Join(legacy, "inventory.db")); err != nil { |
| 114 | t.Fatal(err) |
| 115 | } |
| 116 | if err = os.Link(victim, filepath.Join(legacy, "inventory.db")); err != nil { |
| 117 | t.Fatal(err) |
| 118 | } |
| 119 | if err = s.MigrateLegacy(t.Context(), legacy, "box", "enrollment", freeze, func(context.Context, LaunchInventory, StopInventory, StopKernelJournal) error { return nil }); err == nil { |
| 120 | t.Fatal("hardlink import accepted") |
| 121 | } |
| 122 | if _, err = os.Stat(victim); errors.Is(err, os.ErrNotExist) { |
| 123 | t.Fatal("victim removed") |
| 124 | } |
| 125 | } |
| 126 | |
amadan