| 1 | //go:build linux |
| 2 | |
| 3 | package host |
| 4 | |
| 5 | import ( |
| 6 | "bytes" |
| 7 | "context" |
| 8 | "database/sql" |
| 9 | "encoding/binary" |
| 10 | "encoding/json" |
| 11 | "errors" |
| 12 | "fmt" |
| 13 | "github.com/carlosframework/platform/internal/activator" |
| 14 | "github.com/carlosframework/platform/internal/cgroup" |
| 15 | "github.com/carlosframework/platform/internal/genselect" |
| 16 | "github.com/carlosframework/platform/internal/hostbox" |
| 17 | "github.com/carlosframework/platform/internal/hostclaim" |
| 18 | "github.com/carlosframework/platform/internal/hostguard" |
| 19 | "github.com/carlosframework/platform/internal/lease/leasetest" |
| 20 | "github.com/carlosframework/platform/internal/moves" |
| 21 | "github.com/carlosframework/platform/internal/park" |
| 22 | "github.com/carlosframework/platform/internal/provision" |
| 23 | "github.com/carlosframework/platform/internal/registry" |
| 24 | "github.com/carlosframework/platform/internal/release" |
| 25 | "github.com/superfly/ltx" |
| 26 | "golang.org/x/sys/unix" |
| 27 | "os" |
| 28 | "os/exec" |
| 29 | "path/filepath" |
| 30 | "strconv" |
| 31 | "testing" |
| 32 | ) |
| 33 | |
| 34 | func TestPlan12RecoveryRestoreSourceDatabase(t *testing.T) { |
| 35 | t.Parallel() |
| 36 | for _, name := range []string{hostclaim.KindRestoring, hostclaim.KindReverting, "clean-return", "never-restoring", "never-reverting", "never-clean-return", "missing-inventory", "wrong-inventory", "missing-registry", "interrupted", "admission-crash", "prejournal-failure", "intent-crash", "evidence-read-failure", "concurrent-update", "prelaunch-update"} { |
| 37 | t.Run(name, func(t *testing.T) { |
| 38 | kind, clean := name, name == "clean-return" || name == "never-clean-return" |
| 39 | bad := name == "missing-inventory" || name == "wrong-inventory" || name == "missing-registry" |
| 40 | beforeAdmission := name == "prejournal-failure" || name == "intent-crash" || name == "evidence-read-failure" |
| 41 | retryCase := name == "interrupted" || name == "admission-crash" || beforeAdmission || name == "prelaunch-update" |
| 42 | if bad || retryCase || name == "concurrent-update" { |
| 43 | kind = hostclaim.KindRestoring |
| 44 | } |
| 45 | if name == "never-restoring" { |
| 46 | kind = hostclaim.KindRestoring |
| 47 | } |
| 48 | if name == "never-reverting" { |
| 49 | kind = hostclaim.KindReverting |
| 50 | } |
| 51 | never := name == "never-restoring" || name == "never-reverting" || name == "never-clean-return" |
| 52 | if clean { |
| 53 | kind = hostclaim.KindRestoring |
| 54 | } |
| 55 | f, o, h := plan12Handover(t, hostclaim.KindRestoring, "stop") |
| 56 | stamp := o.Claim.Holder.Stamp |
| 57 | baseline := plan12RestoreBaseline(t, f) |
| 58 | db := provision.NestedDBPath(f.guard.DataDir, o.Host) |
| 59 | dbRel, _ := filepath.Rel(f.guard.DataDir, db) |
| 60 | dirRel, _ := filepath.Rel(f.guard.DataDir, filepath.Dir(db)) |
| 61 | if err := os.MkdirAll(filepath.Dir(db), 0700); err != nil { |
| 62 | t.Fatal(err) |
| 63 | } |
| 64 | if err := os.Mkdir(filepath.Join(f.guard.DataDir, ".parked"), 0770); err != nil { |
| 65 | t.Fatal(err) |
| 66 | } |
| 67 | if err := os.WriteFile(db, []byte("source database"), 0600); err != nil { |
| 68 | t.Fatal(err) |
| 69 | } |
| 70 | if err := hostbox.WriteGenerationMarker(db+".gen", "src"); err != nil { |
| 71 | t.Fatal(err) |
| 72 | } |
| 73 | key := moves.StoppedKey(moves.ReportPrefix("bab", "jam", o.Host, "m1"), "source") |
| 74 | report := plan12Stopped(o, "source", "box-1") |
| 75 | raw, _ := json.Marshal(report) |
| 76 | if _, err := f.claims.Put(t.Context(), key, raw, ""); err != nil { |
| 77 | t.Fatal(err) |
| 78 | } |
| 79 | var err error |
| 80 | o, err = hostclaim.Update(t.Context(), f.claims, o, func(c *hostclaim.Claim) error { |
| 81 | c.Op.Kind = kind |
| 82 | c.Op.Journal[hostclaim.JournalSourceStamp] = strconv.FormatUint(stamp, 10) |
| 83 | c.Op.Journal[hostclaim.JournalSrcGen] = "src" |
| 84 | c.Op.Journal[hostclaim.JournalCutSession] = "2" |
| 85 | c.Op.Journal[hostclaim.JournalEvidenceSource] = key |
| 86 | if kind == hostclaim.KindRestoring { |
| 87 | c.Holder.Admissions = []hostclaim.AdmissionRecord{{Session: 2, Box: "box-2", Generation: "target-gen", Mode: "cold", Region: "uk", Predecessor: "src", PredecessorRegion: "ie"}} |
| 88 | if clean { |
| 89 | c.Holder.Generation = "src" |
| 90 | } |
| 91 | } |
| 92 | if kind == hostclaim.KindReverting { |
| 93 | c.Holder.WriterBox = "box-1" |
| 94 | c.Holder.Session = 2 |
| 95 | c.Holder.Generation = "src" |
| 96 | c.Holder.Admissions = []hostclaim.AdmissionRecord{{Session: 2, Box: "box-1", Generation: "src", Mode: "cold", Region: "ie"}} |
| 97 | } |
| 98 | if never { |
| 99 | c.Holder.WriterBox = "" |
| 100 | c.Holder.Session = 0 |
| 101 | c.Holder.Generation = "" |
| 102 | c.Holder.Admissions = nil |
| 103 | c.Op.Journal[hostclaim.JournalCutSession] = "0" |
| 104 | c.Op.Journal[hostclaim.JournalSrcGen] = "" |
| 105 | } |
| 106 | return nil |
| 107 | }) |
| 108 | if err != nil { |
| 109 | t.Fatal(err) |
| 110 | } |
| 111 | if never { |
| 112 | if err = os.Remove(db); err != nil { |
| 113 | t.Fatal(err) |
| 114 | } |
| 115 | if err = os.Remove(db + ".gen"); err != nil { |
| 116 | t.Fatal(err) |
| 117 | } |
| 118 | } |
| 119 | local := park.Local{Guard: f.guard, Claims: f.claims, DataDir: f.guard.DataDir, Box: "box-1"} |
| 120 | if err = local.RecordInventory(t.Context(), o.Host, hostguard.Captured{Incarnation: o.Claim.Holder.Incarnation, Stamp: stamp}, "flat", []string{dbRel, dbRel + ".gen"}, func(*hostclaim.Claim) error { return nil }); err != nil { |
| 121 | t.Fatal(err) |
| 122 | } |
| 123 | o = f.read() |
| 124 | c := f.controller("boot-1", "controller-1", 4101, "start-1") |
| 125 | if claimInitialSourceRecovery(o, "box-1") { |
| 126 | if never { |
| 127 | f.kernel.noProcess = true |
| 128 | } else { |
| 129 | target := recoveryTuple(o, c.local) |
| 130 | if err := f.journal.Prelaunch(t.Context(), hostbox.LaunchInventory{ControllerPID: 4101, ProcessStart: "start-1", Target: target, Groups: []hostbox.LaunchGroup{{RelativePath: "carlos/" + claimContainmentName(target), Device: 1, Inode: target.Session}}, NoState: true}); err != nil { |
| 131 | t.Fatal(err) |
| 132 | } |
| 133 | } |
| 134 | } |
| 135 | c.wake.Inputs = plan12ReturnInputs{plan9D2Inputs: plan9D2Inputs{recoveryInputs{f}}, clean: clean, baseline: baseline} |
| 136 | c.wake.Continue = hostclaim.SessionContinues |
| 137 | c.wake.Operations = &plan9D2Attempts{} |
| 138 | c.wake.ProbeReady = func(context.Context, *exec.Cmd, registry.Route, ClaimLaunchInputs, string) error { return nil } |
| 139 | retirement := claimArtifactRetirement{Local: local, Continue: hostclaim.SessionContinues} |
| 140 | c.wake.RetireArtifacts, c.wake.RecoverArtifacts = retirement.Retire, retirement.Recover |
| 141 | c.assembly.Guard = f.guard |
| 142 | c.assembly.bindClaimWakeStop() |
| 143 | inv, e := h.Inventory.ReadInstallation(t.Context(), o.Host, o.Claim.Holder.Incarnation, stamp) |
| 144 | if e != nil { |
| 145 | t.Fatal(e) |
| 146 | } |
| 147 | var stat unix.Stat_t |
| 148 | if e = unix.Lstat(filepath.Dir(db), &stat); e != nil { |
| 149 | t.Fatal(e) |
| 150 | } |
| 151 | inv.Entries = append(inv.Entries, hostbox.StopInventoryEntry{Identity: inventoryIdentityFixture(t, f.guard.DataDir, dirRel), Kind: "path", ArtifactID: "state", ManagedRoot: "data", RelativePath: dirRel, Ownership: "old-owner", Device: uint64(stat.Dev), Inode: stat.Ino, Type: unix.S_IFDIR, Materialization: "materialized"}) |
| 152 | if e = h.Inventory.WriteStopInventory(t.Context(), inv); e != nil { |
| 153 | t.Fatal(e) |
| 154 | } |
| 155 | roles := &ClaimRoleAssembly{Manager: c.wake.Manager, Journal: f.journal, Inventory: h.Inventory, ManagedRoots: map[string]string{"data": f.guard.DataDir}, Identity: h.Identity, BootID: "boot-1", ControllerID: "controller-1"} |
| 156 | roles.prepareGroup = func(name string, _ cgroup.Limit) (*cgroup.Prepared, hostbox.LaunchGroup, error) { |
| 157 | return nil, hostbox.LaunchGroup{RelativePath: "carlos/" + name, Device: 1, Inode: 1}, nil |
| 158 | } |
| 159 | c.wake.Prelaunch, c.wake.PrepareState = roles.Prelaunch, roles.PrepareState |
| 160 | if name == "missing-inventory" { |
| 161 | replacement, e := openLegacyInventory(t, filepath.Join(t.TempDir(), "empty.db")) |
| 162 | if e != nil { |
| 163 | t.Fatal(e) |
| 164 | } |
| 165 | defer replacement.Close() |
| 166 | h.Inventory = replacement |
| 167 | } |
| 168 | if name == "wrong-inventory" { |
| 169 | inv.Enrollment = "other" |
| 170 | if e = h.Inventory.WriteStopInventory(t.Context(), inv); e != nil { |
| 171 | t.Fatal(e) |
| 172 | } |
| 173 | } |
| 174 | if name == "missing-registry" { |
| 175 | h.Registry = nil |
| 176 | } |
| 177 | h.Launches = f.journal |
| 178 | savedRegistry := h.Registry |
| 179 | interrupted := false |
| 180 | if name == "interrupted" { |
| 181 | h.afterRecoveryRows = func() error { interrupted = true; return hostbox.ErrChanged } |
| 182 | if _, e := h.Registry.UpsertTimerRegistration(registry.Timer{Host: o.Host, Name: "uncensused", Kind: "cron", Spec: "* * * * *", ClaimOwnership: registry.ClaimOwnership{ClaimIncarnation: o.Claim.Holder.Incarnation, ClaimStamp: stamp, ClaimOwner: "old-owner", ClaimRowID: "timer-row"}}, ""); e != nil { |
| 183 | t.Fatal(e) |
| 184 | } |
| 185 | } |
| 186 | wireClaimAdmission(c.wake, "box-1", c.wake.AfterAdmission, h, nil, nil) |
| 187 | if name == "concurrent-update" { |
| 188 | h.afterRecoveryRows = func() error { |
| 189 | _, err := hostclaim.Update(t.Context(), f.claims, f.read(), func(c *hostclaim.Claim) error { c.Op.Journal["concurrent"] = "acknowledged"; return nil }) |
| 190 | return err |
| 191 | } |
| 192 | wireClaimAdmission(c.wake, "box-1", c.wake.AfterAdmission, h, nil, nil) |
| 193 | } |
| 194 | if name == "intent-crash" { |
| 195 | prepare := c.wake.recoveryIntent |
| 196 | c.wake.recoveryIntent = func(ctx context.Context, o hostclaim.Observed, in hostclaim.Admission) (hostclaim.Admission, error) { |
| 197 | in, err := prepare(ctx, o, in) |
| 198 | if err != nil { |
| 199 | return in, err |
| 200 | } |
| 201 | interrupted = true |
| 202 | return in, hostbox.ErrChanged |
| 203 | } |
| 204 | } |
| 205 | if name == "prelaunch-update" { |
| 206 | c.wake.recoveryPrelaunched = func(context.Context, hostclaim.Observed) error { interrupted = true; return hostbox.ErrChanged } |
| 207 | } |
| 208 | if name == "admission-crash" { |
| 209 | c.wake.AfterAdmission = func(context.Context, hostclaim.Observed, hostclaim.Observed) error { |
| 210 | interrupted = true |
| 211 | return hostbox.ErrChanged |
| 212 | } |
| 213 | } |
| 214 | if name == "prejournal-failure" { |
| 215 | h.Registry = nil |
| 216 | wireClaimAdmission(c.wake, "box-1", c.wake.AfterAdmission, h, nil, nil) |
| 217 | } |
| 218 | if err := c.wake.stopPredecessor(t.Context(), o); err != nil { |
| 219 | t.Fatal(err) |
| 220 | } |
| 221 | if name == "evidence-read-failure" { |
| 222 | h.Evidence = &plan12FailEvidence{Store: f.claims, fail: true} |
| 223 | wireClaimAdmission(c.wake, "box-1", c.wake.AfterAdmission, h, nil, nil) |
| 224 | } |
| 225 | live, cancel := context.WithCancel(t.Context()) |
| 226 | defer cancel() |
| 227 | done := make(chan struct{}) |
| 228 | go func() { <-live.Done(); close(done) }() |
| 229 | c.wake.mu.Lock() |
| 230 | c.wake.pending[o.Host] = &claimWakeAttempt{observed: o, held: recoveryHeld{}, ctx: live, cancel: cancel, done: done} |
| 231 | c.wake.mu.Unlock() |
| 232 | admitted, err := c.runtime.Admit(t.Context(), registry.Route{Host: o.Host}, o, activator.StartPolicy{Probe: true}) |
| 233 | if retryCase { |
| 234 | if name == "prejournal-failure" { |
| 235 | interrupted = err != nil |
| 236 | h.Registry = savedRegistry |
| 237 | } |
| 238 | if name == "evidence-read-failure" { |
| 239 | interrupted = err != nil |
| 240 | h.Evidence = f.claims |
| 241 | } |
| 242 | if err == nil || !interrupted { |
| 243 | t.Fatal("did not interrupt after registry commit", err) |
| 244 | } |
| 245 | first := f.read() |
| 246 | first, e = hostclaim.Update(t.Context(), f.claims, first, func(c *hostclaim.Claim) error { |
| 247 | c.Op.Journal["unrelated"] = "park acknowledged" |
| 248 | return nil |
| 249 | }) |
| 250 | if e != nil { |
| 251 | t.Fatal(e) |
| 252 | } |
| 253 | row, e := h.Registry.Get(o.Host) |
| 254 | if e != nil || name == "interrupted" && row.ClaimStamp != first.Claim.Holder.Stamp { |
| 255 | t.Fatal("registry did not commit", e) |
| 256 | } |
| 257 | if name == "interrupted" { |
| 258 | if _, e = h.Inventory.ReadInstallation(t.Context(), o.Host, first.Claim.Holder.Incarnation, first.Claim.Holder.Stamp); !errors.Is(e, sql.ErrNoRows) { |
| 259 | t.Fatal("successor inventory already written", e) |
| 260 | } |
| 261 | } |
| 262 | c = f.controller("boot-2", "controller-2", 4102, "start-2") |
| 263 | c.wake.Inputs = plan12ReturnInputs{plan9D2Inputs: plan9D2Inputs{recoveryInputs{f}}, baseline: baseline} |
| 264 | c.wake.Continue = hostclaim.SessionContinues |
| 265 | c.wake.Operations = &plan9D2Attempts{} |
| 266 | c.wake.ProbeReady = func(context.Context, *exec.Cmd, registry.Route, ClaimLaunchInputs, string) error { return nil } |
| 267 | c.wake.RetireArtifacts, c.wake.RecoverArtifacts = retirement.Retire, retirement.Recover |
| 268 | c.wake.Prelaunch, c.wake.PrepareState = roles.Prelaunch, roles.PrepareState |
| 269 | c.assembly.Guard = f.guard |
| 270 | c.assembly.bindClaimWakeStop() |
| 271 | h.afterRecoveryRows = nil |
| 272 | wireClaimAdmission(c.wake, "box-1", c.wake.AfterAdmission, h, nil, nil) |
| 273 | if e := c.wake.stopPredecessor(t.Context(), first); e != nil { |
| 274 | t.Fatal("retry chose predecessor stop before handover", e) |
| 275 | } |
| 276 | if name == "prelaunch-update" { |
| 277 | bodies, err := h.Registry.PendingRecoveryHandovers(t.Context()) |
| 278 | if err != nil || len(bodies) != 0 { |
| 279 | t.Fatalf("prelaunch journal stayed pending: %+v %v", bodies, err) |
| 280 | } |
| 281 | if len(f.requests) == 0 { |
| 282 | t.Fatal("prelaunch retry did not reach root stop") |
| 283 | } |
| 284 | return |
| 285 | } |
| 286 | retryCtx, retryCancel := context.WithCancel(t.Context()) |
| 287 | defer retryCancel() |
| 288 | retryDone := make(chan struct{}) |
| 289 | go func() { <-retryCtx.Done(); close(retryDone) }() |
| 290 | c.wake.pending[o.Host] = &claimWakeAttempt{observed: first, held: recoveryHeld{}, ctx: retryCtx, cancel: retryCancel, done: retryDone} |
| 291 | admitted, err = c.runtime.Admit(t.Context(), registry.Route{Host: o.Host}, first, activator.StartPolicy{Probe: true}) |
| 292 | if err != nil || !beforeAdmission && admitted.Claim.Holder.Session != first.Claim.Holder.Session { |
| 293 | t.Fatal("retry did not resume admitted session", err) |
| 294 | } |
| 295 | if !beforeAdmission { |
| 296 | if err = c.runtime.ResumedAdmission(t.Context(), first, admitted); err != nil { |
| 297 | t.Fatal("activator could not verify resumed admission", err) |
| 298 | } |
| 299 | if err := c.runtime.ResumedAdmission(t.Context(), first, admitted); !errors.Is(err, hostbox.ErrChanged) { |
| 300 | t.Fatal("resume verification was not single use", err) |
| 301 | } |
| 302 | } |
| 303 | } |
| 304 | if bad { |
| 305 | if err == nil { |
| 306 | t.Fatal("unproved inventory admitted") |
| 307 | } |
| 308 | return |
| 309 | } |
| 310 | if err != nil { |
| 311 | t.Fatal(err) |
| 312 | } |
| 313 | launch, err := c.runtime.Prepare(t.Context(), registry.Route{Host: o.Host}, admitted, activator.StartPolicy{Probe: true}) |
| 314 | if err != nil { |
| 315 | t.Fatal(err) |
| 316 | } |
| 317 | if never { |
| 318 | if f.kernel.noProcessCalls == 0 { |
| 319 | t.Fatal("R4 witness was not checked") |
| 320 | } |
| 321 | return |
| 322 | } |
| 323 | restoreErr := launch.Restore(t.Context()) |
| 324 | if name == "concurrent-update" { |
| 325 | if !errors.Is(restoreErr, hostclaim.ErrConflict) { |
| 326 | t.Fatal("stale admission accepted foreign journal write", restoreErr) |
| 327 | } |
| 328 | if f.read().Claim.Op.Journal["concurrent"] != "acknowledged" { |
| 329 | t.Fatal("concurrent journal write lost") |
| 330 | } |
| 331 | if _, err := os.Stat(db); !errors.Is(err, os.ErrNotExist) { |
| 332 | t.Fatal("foreign update reached database installation", err) |
| 333 | } |
| 334 | retired := filepath.Join(f.guard.DataDir, ".parked", admitted.Claim.Holder.Incarnation, o.Host, fmt.Sprintf("superseded-%d-%d", admitted.Claim.Holder.Session, stamp), "artifacts", dbRel) |
| 335 | if got, err := os.ReadFile(retired); err != nil || string(got) != "source database" { |
| 336 | t.Fatalf("foreign update lost retired predecessor: %q %v", got, err) |
| 337 | } |
| 338 | return |
| 339 | } |
| 340 | if restoreErr != nil { |
| 341 | t.Fatal(restoreErr) |
| 342 | } |
| 343 | if got, err := os.ReadFile(db + ".gen"); err != nil || string(got) != admitted.Claim.Holder.Generation+"\n" { |
| 344 | t.Fatal(string(got), err) |
| 345 | } |
| 346 | restored, err := sql.Open("sqlite", "file:"+db+"?mode=ro") |
| 347 | if err != nil { |
| 348 | t.Fatal(err) |
| 349 | } |
| 350 | defer restored.Close() |
| 351 | var value string |
| 352 | if err = restored.QueryRow("SELECT value FROM fixture").Scan(&value); err != nil || value != "selected recovery baseline" { |
| 353 | t.Fatalf("restored database: %q %v", value, err) |
| 354 | } |
| 355 | retired := filepath.Join(f.guard.DataDir, ".parked", admitted.Claim.Holder.Incarnation, o.Host, fmt.Sprintf("superseded-%d-%d", admitted.Claim.Holder.Session, stamp), "artifacts", dbRel) |
| 356 | if got, err := os.ReadFile(retired); err != nil || string(got) != "source database" { |
| 357 | t.Fatalf("retired predecessor: %q %v", got, err) |
| 358 | } |
| 359 | if got, err := os.ReadFile(retired + ".gen"); err != nil || string(got) != "src\n" { |
| 360 | t.Fatalf("retired marker: %q %v", got, err) |
| 361 | } |
| 362 | if tag := f.read().Claim.Inventory["box-1"].Paths[dbRel]; tag != admitted.Claim.Holder.Stamp { |
| 363 | t.Fatal("old ownership", tag) |
| 364 | } |
| 365 | }) |
| 366 | } |
| 367 | } |
| 368 | |
| 369 | type plan12ReturnInputs struct { |
| 370 | plan9D2Inputs |
| 371 | clean bool |
| 372 | baseline *genselect.Plan |
| 373 | } |
| 374 | |
| 375 | func (in plan12ReturnInputs) Select(ctx context.Context, rt registry.Route, o hostclaim.Observed, p activator.StartPolicy) (ClaimLaunchInputs, error) { |
| 376 | selected, err := in.plan9D2Inputs.Select(ctx, rt, o, p) |
| 377 | selected.Admission.KeepStamp = false |
| 378 | if in.baseline != nil { |
| 379 | selected.Empty = false |
| 380 | selected.Baseline = in.baseline |
| 381 | selected.Admission.RemoteMaxTXID = in.baseline.MaxTXID |
| 382 | } |
| 383 | selected.DBPath = provision.NestedDBPath(in.f.guard.DataDir, o.Host) |
| 384 | if in.clean { |
| 385 | selected.Admission.Coverage = "clean-return" |
| 386 | } |
| 387 | return selected, err |
| 388 | } |
| 389 | |
| 390 | func plan12RestoreBaseline(t *testing.T, f *recoveryFixture, extraBytes ...int) *genselect.Plan { |
| 391 | t.Helper() |
| 392 | path := filepath.Join(t.TempDir(), "selected.db") |
| 393 | db, err := sql.Open("sqlite", path) |
| 394 | if err != nil { |
| 395 | t.Fatal(err) |
| 396 | } |
| 397 | if _, err := db.Exec("CREATE TABLE fixture(value TEXT); INSERT INTO fixture VALUES ('selected recovery baseline')"); err != nil { |
| 398 | t.Fatal(err) |
| 399 | } |
| 400 | if len(extraBytes) > 0 && extraBytes[0] > 0 { |
| 401 | if _, err := db.Exec("CREATE TABLE padding(value BLOB); INSERT INTO padding VALUES (zeroblob(?))", extraBytes[0]); err != nil { |
| 402 | t.Fatal(err) |
| 403 | } |
| 404 | } |
| 405 | if err := db.Close(); err != nil { |
| 406 | t.Fatal(err) |
| 407 | } |
| 408 | raw, err := os.ReadFile(path) |
| 409 | if err != nil { |
| 410 | t.Fatal(err) |
| 411 | } |
| 412 | size := int(binary.BigEndian.Uint16(raw[16:18])) |
| 413 | if size == 1 { |
| 414 | size = 65536 |
| 415 | } |
| 416 | spec := ltx.FileSpec{Header: ltx.Header{Version: ltx.Version, Flags: ltx.HeaderFlagNoChecksum, PageSize: uint32(size), Commit: uint32(len(raw) / size), MinTXID: 1, MaxTXID: 1}} |
| 417 | for off := 0; off < len(raw); off += size { |
| 418 | pg := uint32(off/size + 1) |
| 419 | if pg != ltx.LockPgno(uint32(size)) { |
| 420 | spec.Pages = append(spec.Pages, ltx.PageSpec{Header: ltx.PageHeader{Pgno: pg}, Data: raw[off : off+size]}) |
| 421 | } |
| 422 | } |
| 423 | var out bytes.Buffer |
| 424 | if _, err := spec.WriteTo(&out); err != nil { |
| 425 | t.Fatal(err) |
| 426 | } |
| 427 | key := "instances/" + f.hostName() + "/g-src/0009/" + ltx.FormatFilename(1, 1) |
| 428 | bucket := leasetest.NewVersionedBucket() |
| 429 | bucket.AddBucket("data") |
| 430 | version := bucket.Put("data", key, out.Bytes()) |
| 431 | bucket.Put("data", key, []byte("newer unselected version")) |
| 432 | f.data, f.bucket = bucket, "data" |
| 433 | return &genselect.Plan{Generation: "src", MaxTXID: 1, Pin: &genselect.Pin{SnapshotCRC64: uint64(spec.Trailer.FileChecksum)}, Files: []genselect.File{{Key: key, VersionID: version, Level: 9, MinTXID: 1, MaxTXID: 1, Size: int64(out.Len())}}} |
| 434 | } |
| 435 | |
| 436 | type plan12FailEvidence struct { |
| 437 | release.Store |
| 438 | fail bool |
| 439 | } |
| 440 | |
| 441 | func (s *plan12FailEvidence) Get(ctx context.Context, key string) ([]byte, string, error) { |
| 442 | if s.fail { |
| 443 | s.fail = false |
| 444 | return nil, "", hostbox.ErrChanged |
| 445 | } |
| 446 | return s.Store.Get(ctx, key) |
| 447 | } |
| 448 | |