| 1 | package release |
| 2 | |
| 3 | import ( |
| 4 | "encoding/json" |
| 5 | "errors" |
| 6 | "os" |
| 7 | "os/exec" |
| 8 | "path/filepath" |
| 9 | "testing" |
| 10 | ) |
| 11 | |
| 12 | type restartCrashStore struct { |
| 13 | *healthyRetryStore |
| 14 | boundary string |
| 15 | } |
| 16 | |
| 17 | func (s *restartCrashStore) Write(name string, raw []byte) error { |
| 18 | var r rootRestartRecord |
| 19 | if err := json.Unmarshal(raw, &r); err != nil { |
| 20 | return err |
| 21 | } |
| 22 | stage := "baseline" |
| 23 | if r.Pending != nil { |
| 24 | stage = "pending" |
| 25 | if r.Pending.Targets[0].Before != "" { |
| 26 | stage = "intent" |
| 27 | } |
| 28 | if r.Pending.Targets[0].After != "" { |
| 29 | stage = "completed" |
| 30 | } |
| 31 | } else if r.ScopeID == "request-1" { |
| 32 | stage = "consumed" |
| 33 | } |
| 34 | crash := s.boundary == stage || (s.boundary == "intent-visible" && stage == "intent") |
| 35 | if crash && s.boundary == "intent-visible" { |
| 36 | s.fail = 1 |
| 37 | } |
| 38 | err := s.healthyRetryStore.Write(name, raw) |
| 39 | if crash { |
| 40 | if err != nil && !errors.Is(err, s.fault) { |
| 41 | return err |
| 42 | } |
| 43 | os.Exit(74) |
| 44 | } |
| 45 | return err |
| 46 | } |
| 47 | |
| 48 | func TestPlan14RootRestartProcessCrash(t *testing.T) { |
| 49 | if boundary := os.Getenv("PLAN14_RESTART_CRASH"); boundary != "" { |
| 50 | _, _, b, in := rootRestartFixture(t) |
| 51 | dir := os.Getenv("PLAN14_RESTART_DIR") |
| 52 | disk := &healthyRetryStore{dir: dir, fault: errors.New("injected directory sync failure")} |
| 53 | h := &RootRestarts{Store: &restartCrashStore{healthyRetryStore: disk, boundary: boundary}} |
| 54 | if boundary == "baseline" { |
| 55 | h.Observe(b, in) |
| 56 | t.Fatal("baseline crash not reached") |
| 57 | } |
| 58 | in = nextRootRestart(in) |
| 59 | p, err := h.Observe(b, in) |
| 60 | if err != nil { |
| 61 | t.Fatal(err) |
| 62 | } |
| 63 | target := p.Targets[0].Target |
| 64 | if err := h.Begin(b, p.ID, target, "boot-a/old"); err != nil { |
| 65 | t.Fatal(err) |
| 66 | } |
| 67 | // This is the fake unit's effect. The process exits without running defers. |
| 68 | if err := os.WriteFile(filepath.Join(dir, "invocation"), []byte("boot-a/new"), 0600); err != nil { |
| 69 | t.Fatal(err) |
| 70 | } |
| 71 | if boundary == "effect" { |
| 72 | os.Exit(74) |
| 73 | } |
| 74 | if err := h.Complete(b, p.ID, target, "boot-a/new"); err != nil { |
| 75 | t.Fatal(err) |
| 76 | } |
| 77 | if err := h.Finish(b, p.ID); err != nil { |
| 78 | t.Fatal(err) |
| 79 | } |
| 80 | t.Fatal("crash boundary not reached") |
| 81 | } |
| 82 | for _, boundary := range []string{"baseline", "pending", "intent", "intent-visible", "effect", "completed", "consumed"} { |
| 83 | t.Run(boundary, func(t *testing.T) { |
| 84 | h, s, b, in := rootRestartFixture(t) |
| 85 | if boundary != "baseline" { |
| 86 | if _, err := h.Observe(b, in); err != nil { |
| 87 | t.Fatal(err) |
| 88 | } |
| 89 | } |
| 90 | cmd := exec.CommandContext(t.Context(), os.Args[0], "-test.run=^TestPlan14RootRestartProcessCrash$", "-test.count=1") |
| 91 | cmd.Dir = s.dir |
| 92 | cmd.Env = append(os.Environ(), "TMPDIR="+s.dir, "PLAN14_RESTART_CRASH="+boundary, "PLAN14_RESTART_DIR="+s.dir) |
| 93 | out, err := cmd.CombinedOutput() |
| 94 | var exit *exec.ExitError |
| 95 | if !errors.As(err, &exit) || exit.ExitCode() != 74 { |
| 96 | t.Fatalf("child: %v\n%s", err, out) |
| 97 | } |
| 98 | h = &RootRestarts{Store: &healthyRetryStore{dir: s.dir}} |
| 99 | if boundary == "baseline" { |
| 100 | if p, err := h.Observe(b, in); err != nil || p != nil { |
| 101 | t.Fatalf("baseline replay: %+v %v", p, err) |
| 102 | } |
| 103 | return |
| 104 | } |
| 105 | in = nextRootRestart(in) |
| 106 | p, err := h.Observe(b, in) |
| 107 | if err != nil { |
| 108 | t.Fatal(err) |
| 109 | } |
| 110 | if boundary == "consumed" { |
| 111 | if p != nil { |
| 112 | t.Fatal("consumed request replayed") |
| 113 | } |
| 114 | return |
| 115 | } |
| 116 | if p == nil { |
| 117 | t.Fatal("lost pending request") |
| 118 | } |
| 119 | target := p.Targets[0].Target |
| 120 | if boundary == "pending" { |
| 121 | if err := h.Begin(b, p.ID, target, "boot-a/old"); err != nil { |
| 122 | t.Fatal(err) |
| 123 | } |
| 124 | return |
| 125 | } |
| 126 | if err := h.Begin(b, p.ID, target, "boot-a/old"); err == nil { |
| 127 | t.Fatal("crashed attempt dispatched twice") |
| 128 | } |
| 129 | invocation, err := os.ReadFile(filepath.Join(s.dir, "invocation")) |
| 130 | if boundary == "intent" || boundary == "intent-visible" { |
| 131 | if !errors.Is(err, os.ErrNotExist) { |
| 132 | t.Fatalf("pre-effect crash: %v", err) |
| 133 | } |
| 134 | if err := h.Complete(b, p.ID, target, "boot-a/old"); err == nil { |
| 135 | t.Fatal("ambiguous attempt consumed") |
| 136 | } |
| 137 | if err := h.Finish(b, p.ID); err == nil { |
| 138 | t.Fatal("unfinished attempt consumed") |
| 139 | } |
| 140 | return |
| 141 | } |
| 142 | if err != nil { |
| 143 | t.Fatal(err) |
| 144 | } |
| 145 | if err := h.Complete(b, p.ID, target, string(invocation)); err != nil { |
| 146 | t.Fatal(err) |
| 147 | } |
| 148 | if err := h.Finish(b, p.ID); err != nil { |
| 149 | t.Fatal(err) |
| 150 | } |
| 151 | if p, err := h.Observe(b, in); err != nil || p != nil { |
| 152 | t.Fatalf("recovered request replayed: %+v %v", p, err) |
| 153 | } |
| 154 | }) |
| 155 | } |
| 156 | } |
| 157 | |
amadan