| 1 | package host |
| 2 | |
| 3 | import ( |
| 4 | "context" |
| 5 | "encoding/json" |
| 6 | "errors" |
| 7 | "os" |
| 8 | "os/exec" |
| 9 | "path/filepath" |
| 10 | "testing" |
| 11 | |
| 12 | "github.com/carlosframework/platform/internal/hostbox" |
| 13 | "github.com/carlosframework/platform/internal/hostguard" |
| 14 | "github.com/carlosframework/platform/internal/release" |
| 15 | ) |
| 16 | |
| 17 | func TestPlan14PrelaunchCancellationProcessDeath(t *testing.T) { |
| 18 | if dir := os.Getenv("PLAN14_R11_RESERVE_CRASH"); dir != "" { |
| 19 | f, disk, _ := generationLaunchFixture(t) |
| 20 | if err := os.Mkdir(filepath.Join(dir, "pins"), 0700); err != nil { |
| 21 | t.Fatal(err) |
| 22 | } |
| 23 | if err := os.Mkdir(filepath.Join(dir, "fences"), 0700); err != nil { |
| 24 | t.Fatal(err) |
| 25 | } |
| 26 | views, err := f.root.Guard.Root.GenerationInstallations(t.Context()) |
| 27 | if err != nil || len(views) != 1 { |
| 28 | t.Fatal(err) |
| 29 | } |
| 30 | in := views[0].Installation |
| 31 | raw, _ := json.Marshal(map[string]any{"Schema": 1, "Installation": in, "State": map[string]any{"v": 1, "host": in.Host, "incarnation": in.Incarnation, "active_stamp": in.Stamp}}) |
| 32 | if err = os.WriteFile(filepath.Join(dir, "fences", in.Host+".json"), raw, 0600); err != nil { |
| 33 | t.Fatal(err) |
| 34 | } |
| 35 | launch, err := f.journal.Read(t.Context(), f.target) |
| 36 | if err != nil { |
| 37 | t.Fatal(err) |
| 38 | } |
| 39 | journal, err := hostbox.OpenLaunchJournal(filepath.Join(dir, "launch.db")) |
| 40 | if err != nil { |
| 41 | t.Fatal(err) |
| 42 | } |
| 43 | if err = journal.Prelaunch(t.Context(), launch); err != nil { |
| 44 | t.Fatal(err) |
| 45 | } |
| 46 | if err = journal.Close(); err != nil { |
| 47 | t.Fatal(err) |
| 48 | } |
| 49 | disk.dir = filepath.Join(dir, "pins") |
| 50 | disk.afterWrite = func(_ string, raw []byte) { |
| 51 | var r release.GenerationReservation |
| 52 | if json.Unmarshal(raw, &r) == nil && r.Revision == 1 { |
| 53 | os.Exit(73) |
| 54 | } |
| 55 | } |
| 56 | _, err = f.root.generations.reserve(t.Context(), f.root, f.peer, f.req) |
| 57 | t.Fatal("reservation crash not reached", err) |
| 58 | } |
| 59 | dir := t.TempDir() |
| 60 | cmd := exec.CommandContext(t.Context(), os.Args[0], "-test.run=^TestPlan14PrelaunchCancellationProcessDeath$", "-test.count=1") |
| 61 | cmd.Dir = dir |
| 62 | cmd.Env = append(os.Environ(), "PLAN14_R11_RESERVE_CRASH="+dir, "TMPDIR="+dir) |
| 63 | out, err := cmd.CombinedOutput() |
| 64 | var status *exec.ExitError |
| 65 | if !errors.As(err, &status) || status.ExitCode() != 73 { |
| 66 | t.Fatal("crash child", err, string(out)) |
| 67 | } |
| 68 | disk := &generationDisk{rollbackDisk: &rollbackDisk{dir: filepath.Join(dir, "pins")}} |
| 69 | r := readGenerationLaunch(t, disk) |
| 70 | journal, err := hostbox.OpenLaunchJournal(filepath.Join(dir, "launch.db")) |
| 71 | if err != nil { |
| 72 | t.Fatal(err) |
| 73 | } |
| 74 | defer journal.Close() |
| 75 | launches, err := journal.GenerationLaunches(t.Context()) |
| 76 | if err != nil || len(launches) != 1 || len(launches[0].Reservations) != 0 { |
| 77 | t.Fatal("pre-intention boundary", err, launches) |
| 78 | } |
| 79 | verifier := generationRetirement{guard: hostguard.Guard{DataDir: dir, LockDir: t.TempDir(), Root: hostguard.NewRootAuthority(&rollbackDisk{dir: filepath.Join(dir, "fences")})}, journal: journal, kernel: func(context.Context, release.GenerationReservation) (string, error) { return r.Binding.Digest, nil }} |
| 80 | ledger := &release.RootGenerations{Store: disk} |
| 81 | if err = verifier.retire(t.Context(), ledger, r); err != nil { |
| 82 | t.Fatal(err) |
| 83 | } |
| 84 | if got := readGenerationLaunch(t, disk); got != r { |
| 85 | t.Fatal("death substituted for writer closure") |
| 86 | } |
| 87 | if err = journal.CloseWriters(t.Context(), launches[0].Target); err != nil { |
| 88 | t.Fatal(err) |
| 89 | } |
| 90 | if err = verifier.retire(t.Context(), ledger, r); err != nil { |
| 91 | t.Fatal("cancellation recovery", err) |
| 92 | } |
| 93 | if got := readGenerationLaunch(t, disk); !got.Closed || got.Retirement == "" { |
| 94 | t.Fatal("recovered reservation pinned") |
| 95 | } |
| 96 | } |
| 97 | |
amadan