| 1 | package host |
| 2 | |
| 3 | import ( |
| 4 | "context" |
| 5 | "encoding/json" |
| 6 | "github.com/carlosframework/platform/internal/rootparticipation" |
| 7 | "os" |
| 8 | "path/filepath" |
| 9 | "testing" |
| 10 | ) |
| 11 | |
| 12 | func updateParticipationFixture(t *testing.T) *rootparticipation.Ledger { |
| 13 | t.Helper() |
| 14 | disk := &rollbackDisk{dir: t.TempDir()} |
| 15 | raw, _ := json.Marshal(rootparticipation.Census{Schema: 1, Box: "box", Enrollment: "en", Migration: 1, Revision: 1, LaunchRevision: 1, Complete: true}) |
| 16 | if err := disk.Write("census.json", raw); err != nil { |
| 17 | t.Fatal(err) |
| 18 | } |
| 19 | return &rootparticipation.Ledger{State: disk, VerifyLaunches: func(context.Context, uint64) error { return nil }, ExcludeLaunches: func(ctx context.Context, fn func(context.Context) error) error { return fn(ctx) }} |
| 20 | } |
| 21 | |
| 22 | func TestPlan14ExecutionSystemUpdateExclusion(t *testing.T) { |
| 23 | for _, pending := range []bool{false, true} { |
| 24 | t.Run(map[bool]string{true: "participating", false: "empty"}[pending], func(t *testing.T) { |
| 25 | f := newApplyFixture(t, "stable", "old") |
| 26 | f.a.regionHA = true |
| 27 | f.a.participation = updateParticipationFixture(t) |
| 28 | if pending { |
| 29 | if err := f.a.participation.State.Write("shop.example.json", []byte("{\"Schema\":1,\"Status\":\"pending\"}")); err != nil { |
| 30 | t.Fatal(err) |
| 31 | } |
| 32 | } |
| 33 | mirror := filepath.Join(f.a.dataDir, ".hostexec") |
| 34 | if err := os.MkdirAll(mirror, 0700); err != nil { |
| 35 | t.Fatal(err) |
| 36 | } |
| 37 | if err := os.Remove(mirror); err != nil { |
| 38 | t.Fatal(err) |
| 39 | } |
| 40 | err := f.a.beginExecutableChange(t.Context(), "new", f.now) |
| 41 | if pending { |
| 42 | if err == nil { |
| 43 | t.Fatal("system update trusted deleted agent state") |
| 44 | } |
| 45 | return |
| 46 | } |
| 47 | if err != nil { |
| 48 | t.Fatal(err) |
| 49 | } |
| 50 | if err := f.a.participation.Acquire(t.Context(), func() error { return nil }); err == nil { |
| 51 | t.Fatal("acquisition crossed durable system update") |
| 52 | } |
| 53 | f.a.settleUpdateBegun(t.Context()) |
| 54 | if err := f.a.participation.Acquire(t.Context(), func() error { return nil }); err != nil { |
| 55 | t.Fatal("settled update still excludes", err) |
| 56 | } |
| 57 | }) |
| 58 | } |
| 59 | } |
| 60 | |
| 61 | func TestPlan14ExecutionRecoveryWithoutArmedFloor(t *testing.T) { |
| 62 | for _, recoverable := range []bool{false, true} { |
| 63 | t.Run(map[bool]string{false: "unresolved", true: "settled"}[recoverable], func(t *testing.T) { |
| 64 | f := newApplyFixture(t, "stable", "old") |
| 65 | if f.a.guarded() { |
| 66 | t.Fatal("fixture has an armed floor") |
| 67 | } |
| 68 | if err := f.a.beginExecutableChange(t.Context(), "new", f.now); err != nil { |
| 69 | t.Fatal(err) |
| 70 | } |
| 71 | if err := f.a.participation.State.Write("shop.example.json", []byte(`{"Schema":1,"Status":"lost"}`)); err != nil { |
| 72 | t.Fatal(err) |
| 73 | } |
| 74 | old := recoverPendingControllers |
| 75 | t.Cleanup(func() { recoverPendingControllers = old }) |
| 76 | calls := 0 |
| 77 | recoverPendingControllers = func(_ context.Context, data, guard string) error { |
| 78 | calls++ |
| 79 | if data != f.a.dataDir || guard != systemGuardDir(f.a.optDir) { |
| 80 | t.Fatal("wrong recovery scope") |
| 81 | } |
| 82 | if !recoverable { |
| 83 | return rootparticipation.ErrUnavailable |
| 84 | } |
| 85 | return f.a.participation.State.Remove("shop.example.json") |
| 86 | } |
| 87 | err := f.a.checkGuardRecovery(t.Context()) |
| 88 | if (err == nil) != recoverable || calls != 1 { |
| 89 | t.Fatalf("recovery=%t calls=%d err=%v", recoverable, calls, err) |
| 90 | } |
| 91 | if _, err := f.a.participation.UpdateID(); err != nil { |
| 92 | t.Fatal("recovery removed update exclusion", err) |
| 93 | } |
| 94 | }) |
| 95 | } |
| 96 | } |
| 97 | |
| 98 | func TestPlan14ExecutionLegacyJournalRecoversBeforeReservation(t *testing.T) { |
| 99 | f := newApplyFixture(t, "stable", "old") |
| 100 | if err := f.a.journal(systemJournal{Phase: systemPhaseInstalling, Target: "new"}); err != nil { |
| 101 | t.Fatal(err) |
| 102 | } |
| 103 | if err := f.a.participation.State.Write("shop.example.json", []byte(`{"Schema":1,"Status":"lost"}`)); err != nil { |
| 104 | t.Fatal(err) |
| 105 | } |
| 106 | old := recoverPendingControllers |
| 107 | t.Cleanup(func() { recoverPendingControllers = old }) |
| 108 | calls := 0 |
| 109 | recoverPendingControllers = func(context.Context, string, string) error { |
| 110 | calls++ |
| 111 | return f.a.participation.State.Remove("shop.example.json") |
| 112 | } |
| 113 | if err := f.a.checkGuardRecovery(t.Context()); err != nil { |
| 114 | t.Fatal(err) |
| 115 | } |
| 116 | if calls != 1 { |
| 117 | t.Fatalf("recovery calls=%d", calls) |
| 118 | } |
| 119 | if _, err := f.a.participation.UpdateID(); err != nil { |
| 120 | t.Fatal("legacy journal lacked root exclusion", err) |
| 121 | } |
| 122 | } |
| 123 | |