| 1 | package hostlife |
| 2 | |
| 3 | import ( |
| 4 | "crypto/sha256" |
| 5 | "fmt" |
| 6 | "os" |
| 7 | "regexp" |
| 8 | "strings" |
| 9 | "testing" |
| 10 | ) |
| 11 | |
| 12 | // TestOneBoxCreateInterruptionTrace is a deterministic trace of the |
| 13 | // interruptions a one-box create recovers from (two-box plan rev 4, |
| 14 | // Astra round 1 finding 1): the create's record persists, then its |
| 15 | // selected box stops, then recovery runs for longer than its 15-step |
| 16 | // wait; the box starts again (stopped) or the region's group replaces |
| 17 | // it (destroyed). It writes the whole trace to $HOSTLIFE_TRACE_OUT when |
| 18 | // set, so the trace at the baseline and after each task can be compared |
| 19 | // byte for byte; the one-box shape must not change it. |
| 20 | func TestOneBoxCreateInterruptionTrace(t *testing.T) { |
| 21 | saved := boxesPerRegion |
| 22 | boxesPerRegion = 1 // the one-box shape, whatever HOSTLIFE_BOXES says (final review minor 5) |
| 23 | defer func() { boxesPerRegion = saved }() |
| 24 | var out []string |
| 25 | for _, how := range []string{"restarted", "replaced"} { |
| 26 | w := newWitness() |
| 27 | w.console = append(w.console, &consolePlan{Kind: "create", Host: "h", App: app0, OpID: w.newID("cr"), Inc: 1, Region: 0}) |
| 28 | w.admit[app0].Reg[w.console[0].OpID] = regEntry{Until: w.now + 1000} |
| 29 | w.drive(60, func() bool { return w.rec != nil && w.claim != nil && w.claim.Op.Kind == "creating" }, w.runConsole) |
| 30 | b := w.boxes[0] |
| 31 | b.Destroyed, b.Procs = true, nil |
| 32 | w.logf("trace: box %d stopped after the record persisted", b.ID) |
| 33 | w.drive(40, func() bool { return false }, w.runConsole, w.recoveryPass) |
| 34 | if how == "restarted" { |
| 35 | b.Destroyed = false |
| 36 | b.forget() |
| 37 | } else { |
| 38 | w.replaceDestroyed() |
| 39 | } |
| 40 | w.logf("trace: box %s", how) |
| 41 | w.drive(200, func() bool { return w.claim != nil && w.claim.Op.Kind == "serving" }, w.runConsole, w.recoveryPass, w.actAll()) |
| 42 | out = append(out, "== "+how) |
| 43 | out = append(out, w.trace...) |
| 44 | c := w.claim |
| 45 | out = append(out, fmt.Sprintf("final: op=%s/%s exec=%d holder=%+v rec=%+v lost=%v obl=%d", c.Op.Kind, c.Op.ID, c.Op.Exec, c.Holder, w.rec, c.Lost, len(c.Obl))) |
| 46 | } |
| 47 | if p := os.Getenv("HOSTLIFE_TRACE_OUT"); p != "" { |
| 48 | if err := os.WriteFile(p, []byte(strings.Join(out, "\n")+"\n"), 0o644); err != nil { |
| 49 | t.Fatal(err) |
| 50 | } |
| 51 | } |
| 52 | } |
| 53 | |
| 54 | // TestOneBoxSeedTraces writes one line per seed of the one-box sweep, |
| 55 | // the SHA-256 of its whole trace, to $HOSTLIFE_TRACE_OUT_SEEDS (and is |
| 56 | // skipped without it): the per-seed evidence that a task leaves every |
| 57 | // one-box trace as the baseline's, beyond the aggregate COUNTERS line. |
| 58 | // Map-ordered fields in state dumps are masked. |
| 59 | func TestOneBoxSeedTraces(t *testing.T) { |
| 60 | p := os.Getenv("HOSTLIFE_TRACE_OUT_SEEDS") |
| 61 | if p == "" { |
| 62 | t.Skip("HOSTLIFE_TRACE_OUT_SEEDS is not set") |
| 63 | } |
| 64 | saved := boxesPerRegion |
| 65 | boxesPerRegion = 1 // the one-box shape, whatever HOSTLIFE_BOXES says (final review minor 5) |
| 66 | defer func() { boxesPerRegion = saved }() |
| 67 | mask := regexp.MustCompile(`admission=\[[^\]]*\]`) |
| 68 | var out []string |
| 69 | for seed := int64(1); seed <= int64(seedsFromEnv(300)); seed++ { // the gate's seeds, 1..n (rev 11, Astra round 8) |
| 70 | w := runSeed(seed, true) |
| 71 | sum := sha256.Sum256([]byte(mask.ReplaceAllString(strings.Join(w.trace, "\n"), "admission=[masked]"))) |
| 72 | out = append(out, fmt.Sprintf("%d %x %d", seed, sum[:8], len(w.trace))) |
| 73 | } |
| 74 | if err := os.WriteFile(p, []byte(strings.Join(out, "\n")+"\n"), 0o644); err != nil { |
| 75 | t.Fatal(err) |
| 76 | } |
| 77 | } |
| 78 | |
amadan