| 1 | package hostops |
| 2 | |
| 3 | import ( |
| 4 | "context" |
| 5 | "crypto/ed25519" |
| 6 | "crypto/rand" |
| 7 | "crypto/sha256" |
| 8 | "encoding/hex" |
| 9 | "encoding/json" |
| 10 | "errors" |
| 11 | "strings" |
| 12 | "testing" |
| 13 | "time" |
| 14 | |
| 15 | "github.com/carlosframework/platform/internal/boxid" |
| 16 | "github.com/carlosframework/platform/internal/hostclaim" |
| 17 | "github.com/carlosframework/platform/internal/provision" |
| 18 | "github.com/carlosframework/platform/internal/release" |
| 19 | "github.com/carlosframework/platform/internal/termfence" |
| 20 | ) |
| 21 | |
| 22 | type c7ReplayAuthority struct { |
| 23 | home string |
| 24 | record termfence.Record |
| 25 | region string |
| 26 | } |
| 27 | |
| 28 | func (a c7ReplayAuthority) CheckOneBoxRegion(_ context.Context, source, region string) error { |
| 29 | if source != a.record.Box || region != a.region { |
| 30 | return hostclaim.ErrFence |
| 31 | } |
| 32 | return nil |
| 33 | } |
| 34 | |
| 35 | func (a c7ReplayAuthority) ValidateFence(_ context.Context, f termfence.Record) (hostclaim.FenceBinding, error) { |
| 36 | if f != a.record { |
| 37 | return hostclaim.FenceBinding{}, hostclaim.ErrFence |
| 38 | } |
| 39 | return hostclaim.FenceBinding{FleetHomeRegion: a.home, Region: a.region, RosterRevision: 1, RosterETag: "roster"}, nil |
| 40 | } |
| 41 | |
| 42 | type c7DecisionHook struct { |
| 43 | release.Store |
| 44 | key string |
| 45 | after func() error |
| 46 | } |
| 47 | |
| 48 | func (s *c7DecisionHook) Put(ctx context.Context, key string, b []byte, match string) (string, error) { |
| 49 | tag, err := s.Store.Put(ctx, key, b, match) |
| 50 | if err == nil && key == s.key && s.after != nil { |
| 51 | f := s.after |
| 52 | s.after = nil |
| 53 | if e := f(); e != nil { |
| 54 | return "", e |
| 55 | } |
| 56 | } |
| 57 | return tag, err |
| 58 | } |
| 59 | |
| 60 | type c7World struct { |
| 61 | raw release.Store |
| 62 | host, key string |
| 63 | inc string |
| 64 | ref hostclaim.FenceRef |
| 65 | authority c7ReplayAuthority |
| 66 | now time.Time |
| 67 | clock time.Time // the ControlWriter's clock |
| 68 | pub ed25519.PublicKey |
| 69 | control *ControlWriter |
| 70 | mh *StartHandle // the move registration's handle, as the Moves coordinator holds it |
| 71 | } |
| 72 | |
| 73 | var c7Owner = RegistrationOwner{Console: "console", Enrollment: strings.Repeat("e", 32), Controller: "coordinator"} |
| 74 | |
| 75 | // newC7World is a moving claim with the intent BeginClaimMove writes, its |
| 76 | // record in cutting/archived, the exact move registration (owned by |
| 77 | // c7Owner, live) with its handle, and the source's termination fence. |
| 78 | func newC7World(t *testing.T, mutate func(*hostclaim.Claim, *provision.Record, *AppAdmission)) *c7World { |
| 79 | t.Helper() |
| 80 | ctx := context.Background() |
| 81 | w := &c7World{raw: release.NewDirStore(t.TempDir()), host: "app.example", now: time.Now().UTC()} |
| 82 | w.clock = w.now |
| 83 | pub, _, err := ed25519.GenerateKey(rand.Reader) |
| 84 | if err != nil { |
| 85 | t.Fatal(err) |
| 86 | } |
| 87 | w.pub = pub |
| 88 | if w.control, err = NewControlWriter(w.raw, pub, func() time.Time { return w.clock }); err != nil { |
| 89 | t.Fatal(err) |
| 90 | } |
| 91 | // In-package harness: the handle a RegisterMove call returned for the |
| 92 | // seeded registration below. |
| 93 | w.mh = &StartHandle{w: w.control, account: "bab", app: "app", appID: "canonical", id: "move", owner: c7Owner, epoch: 1} |
| 94 | en := strings.Repeat("a", 32) |
| 95 | if w.inc, err = hostclaim.Incarnation("bab", "app", w.host, w.now); err != nil { |
| 96 | t.Fatal(err) |
| 97 | } |
| 98 | w.key = provision.RecordKey("bab", "app", w.host) |
| 99 | c := hostclaim.Claim{V: 2, Host: w.host, Gen: 1, Holder: &hostclaim.Holder{Family: "instance", Account: "bab", App: "app", Key: w.key, Acquisition: "acq", Incarnation: w.inc, CreatedAt: w.now, Location: "instances/" + w.host, Stamp: 7, Generation: "generation"}, |
| 100 | Op: hostclaim.Op{Kind: hostclaim.KindMoving, ID: "move", Phase: "releasing", Exec: "source", Participants: []string{"source", "target"}, |
| 101 | Intent: map[string]string{"to": "uk", "source": "source", "target": "target", "app_id": "canonical", "admission_id": "move", "source_enrollment": en, "target_enrollment": strings.Repeat("b", 32)}}, |
| 102 | Obligations: []hostclaim.Obligation{{ID: "ack", Op: "move", Kind: "park-local", Box: "target", Owner: "box:target", Retirement: "retire"}, {ID: "keep", Op: "move", Kind: "park-replica", Region: "uk", Owner: "region:uk", Retirement: "retire-region"}}} |
| 103 | rec := provision.Record{Schema: 1, Host: w.host, Slug: "app", Account: "bab", App: "app", Acquisition: "acq", Channel: "edge", Region: "ie", CreatedAt: w.now, Move: &provision.MoveState{ID: "move", Incarnation: w.inc, From: "ie", To: "uk", State: provision.MoveCutting, CutPhase: provision.CutArchived}} |
| 104 | adm := AppAdmission{V: 1, AppID: "canonical", Epoch: 1, Revision: 1, State: "open", Effects: map[string]Effect{}, Registrations: map[string]Registration{"move": {Kind: RegistrationMove, Host: w.host, Owner: c7Owner, AppID: "canonical", Epoch: 1, Claim: SavedClaim{ETag: "serving", Gen: 1}, Expires: w.now.Add(RegistrationTTL), CreatedAt: w.now, Incarnation: w.inc}}} |
| 105 | if mutate != nil { |
| 106 | mutate(&c, &rec, &adm) |
| 107 | } |
| 108 | cb, _ := json.Marshal(c) |
| 109 | ck, _ := hostclaim.Key(w.host) |
| 110 | if _, err = w.raw.Put(ctx, ck, cb, ""); err != nil { |
| 111 | t.Fatal(err) |
| 112 | } |
| 113 | rb, _ := json.Marshal(rec) |
| 114 | if _, err = w.raw.Put(ctx, w.key, rb, ""); err != nil { |
| 115 | t.Fatal(err) |
| 116 | } |
| 117 | ab, _ := json.Marshal(adm) |
| 118 | if _, err = w.raw.Put(ctx, "apps/bab/app/admission.json", ab, ""); err != nil { |
| 119 | t.Fatal(err) |
| 120 | } |
| 121 | f := termfence.Record{V: 1, Box: "source", Enrollment: en, Cloud: boxid.Cloud{Provider: "aws", Account: "123", Region: "eu-west-1", InstanceID: "i-source"}, State: "terminated", ObservedAt: w.now.Format(time.RFC3339), Via: "describe", RequestID: "request", WrittenBy: termfence.WrittenBy{Box: "worker", Enrollment: strings.Repeat("c", 32)}} |
| 122 | fb, _ := json.Marshal(f) |
| 123 | sum := sha256.Sum256(fb) |
| 124 | w.ref = hostclaim.FenceRef{Enrollment: en, Key: "control/box-fences/" + en + ".json", SHA256: hex.EncodeToString(sum[:])} |
| 125 | if _, err = w.raw.Put(ctx, w.ref.Key, fb, ""); err != nil { |
| 126 | t.Fatal(err) |
| 127 | } |
| 128 | w.authority = c7ReplayAuthority{record: f, region: "ie"} |
| 129 | return w |
| 130 | } |
| 131 | |
| 132 | func (w *c7World) claim(t *testing.T) hostclaim.Observed { |
| 133 | t.Helper() |
| 134 | o, err := hostclaim.Read(context.Background(), w.raw, w.host) |
| 135 | if err != nil { |
| 136 | t.Fatal(err) |
| 137 | } |
| 138 | return o |
| 139 | } |
| 140 | |
| 141 | // productionData is ConfigureClaimRuntime's data handle: the mutation |
| 142 | // boundary over the conditional record store over under (w.raw or a fault |
| 143 | // hook on it), checked by the production checker with the real ControlWriter. |
| 144 | func (w *c7World) productionData(t *testing.T, under release.Store) release.Store { |
| 145 | t.Helper() |
| 146 | records, err := NewConditionalRecordStore(under, w.pub, w.control.homeRegion) |
| 147 | if err != nil { |
| 148 | t.Fatal(err) |
| 149 | } |
| 150 | check, err := NewProductionMutationCheck(w.raw, w.control) |
| 151 | if err != nil { |
| 152 | t.Fatal(err) |
| 153 | } |
| 154 | data, err := NewMutationBoundary(true, records, check) |
| 155 | if err != nil { |
| 156 | t.Fatal(err) |
| 157 | } |
| 158 | return data |
| 159 | } |
| 160 | |
| 161 | func (w *c7World) effects(t *testing.T, action string) []Effect { |
| 162 | t.Helper() |
| 163 | a, err := ReadAdmission(context.Background(), w.raw, "bab", "app", "canonical") |
| 164 | if err != nil { |
| 165 | t.Fatal(err) |
| 166 | } |
| 167 | var out []Effect |
| 168 | for _, e := range a.Value.Effects { |
| 169 | if action == "" || e.Action == action { |
| 170 | out = append(out, e) |
| 171 | } |
| 172 | } |
| 173 | return out |
| 174 | } |
| 175 | |
| 176 | func (w *c7World) recordTag(t *testing.T) string { |
| 177 | t.Helper() |
| 178 | _, tag, err := provision.GetRecordETag(context.Background(), w.raw, "bab", "app", w.host) |
| 179 | if err != nil { |
| 180 | t.Fatal(err) |
| 181 | } |
| 182 | return tag |
| 183 | } |
| 184 | |
| 185 | // A correctly held call through the production data handle: the record |
| 186 | // decision is one issued effect of the move registration, settled complete, |
| 187 | // and the conversion CAS passes the boundary under its lifecycle grant. |
| 188 | func TestC7RecoveryHeldCallSettlesItsDecisionEffect(t *testing.T) { |
| 189 | ctx := context.Background() |
| 190 | w := newC7World(t, nil) |
| 191 | data := w.productionData(t, w.raw) |
| 192 | if err := RecoverTerminatedMovingHost(ctx, data, w.mh, w.authority, w.host, w.ref, w.now); err != nil { |
| 193 | t.Fatal(err) |
| 194 | } |
| 195 | if c := w.claim(t).Claim; c.Op.Kind != hostclaim.KindRelocating || c.Op.Intent["source_box"] != "source" || c.Op.Intent["region"] != "ie" { |
| 196 | t.Fatalf("not converted: %+v", c.Op) |
| 197 | } |
| 198 | d := w.effects(t, "move-relocating-decision") |
| 199 | if len(d) != 1 || d[0].State != "complete" || d[0].ResultReference != "move" || d[0].OperationID != "move" || d[0].Owner != c7Owner || d[0].Resource != w.key { |
| 200 | t.Fatalf("decision effect: %+v", d) |
| 201 | } |
| 202 | } |
| 203 | |
| 204 | // RecoverTerminatedMovingHost through the production data handle, held by a |
| 205 | // writer-minted move registration. Unbound calls refuse before the record |
| 206 | // decision; the data handle alone writes neither the decision nor the |
| 207 | // conversion; a crash after the durable decision replays with no second |
| 208 | // decision and keeps a chore acknowledged in between. |
| 209 | func TestC7RecoveryThroughProductionBoundary(t *testing.T) { |
| 210 | ctx := context.Background() |
| 211 | w := newC7World(t, func(_ *hostclaim.Claim, _ *provision.Record, adm *AppAdmission) { |
| 212 | delete(adm.Registrations, "move") |
| 213 | }) |
| 214 | o := w.claim(t) |
| 215 | reg := Registration{Kind: RegistrationMove, Host: w.host, Owner: c7Owner, AppID: "canonical", Epoch: 1, Claim: SavedObservation(o), Incarnation: w.inc, CreatedAt: w.now} |
| 216 | mh, err := w.control.RegisterStart(ctx, "bab", "app", "canonical", "move", reg, w.clock) |
| 217 | if err != nil { |
| 218 | t.Fatal(err) |
| 219 | } |
| 220 | reg.Kind = "wake" |
| 221 | other, err := w.control.RegisterStart(ctx, "bab", "app", "canonical", "wake-1", reg, w.clock) |
| 222 | if err != nil { |
| 223 | t.Fatal(err) |
| 224 | } |
| 225 | hook := &c7DecisionHook{Store: w.raw, key: w.key} |
| 226 | data := w.productionData(t, hook) |
| 227 | claimBefore, recordBefore := o.ETag, w.recordTag(t) |
| 228 | unchanged := func(name string) { |
| 229 | t.Helper() |
| 230 | if w.claim(t).ETag != claimBefore || w.recordTag(t) != recordBefore || len(w.effects(t, "")) != 0 { |
| 231 | t.Fatalf("%s: wrote before refusing", name) |
| 232 | } |
| 233 | } |
| 234 | |
| 235 | forged := &StartHandle{w: w.control, account: "bab", app: "app", appID: "canonical", id: "move", owner: RegistrationOwner{Console: "console", Enrollment: strings.Repeat("e", 32), Controller: "forged"}, epoch: 1} |
| 236 | for _, tc := range []struct { |
| 237 | name string |
| 238 | h *StartHandle |
| 239 | }{{"no-handle", nil}, {"other-registration", other}, {"forged-owner", forged}, {"expired", mh}} { |
| 240 | if tc.name == "expired" { |
| 241 | w.clock = w.now.Add(RegistrationTTL) |
| 242 | } |
| 243 | err := RecoverTerminatedMovingHost(ctx, data, tc.h, w.authority, w.host, w.ref, w.now) |
| 244 | w.clock = w.now |
| 245 | if err == nil { |
| 246 | t.Fatalf("%s: recovered without the move registration", tc.name) |
| 247 | } |
| 248 | unchanged(tc.name) |
| 249 | } |
| 250 | |
| 251 | // The data handle alone: no record decision without an issued effect |
| 252 | // (a lifecycle grant is not one), and no claim CAS without a grant. |
| 253 | moving, holder, err := movingIdentities(o.Claim) |
| 254 | if err != nil { |
| 255 | t.Fatal(err) |
| 256 | } |
| 257 | fence, _ := json.Marshal(w.ref) |
| 258 | decide := provision.MoveRelocatingDecision(provision.MoveGuard{ID: "move", Incarnation: w.inc}, "source", w.ref.Enrollment, "ie", string(fence), o.Claim.Gen, o.ETag, moving, holder, w.now) |
| 259 | for name, c := range map[string]context.Context{"no-grant": ctx, "grant-without-effect": mh.Lifecycle(ctx)} { |
| 260 | if _, err := setLifecycleRecordMove(c, data, o, decide); !errors.Is(err, ErrPending) { |
| 261 | t.Fatalf("%s: unbound record decision: %v", name, err) |
| 262 | } |
| 263 | } |
| 264 | if _, err := hostclaim.Update(ctx, data, o, func(*hostclaim.Claim) error { return nil }); !errors.Is(err, ErrPending) { |
| 265 | t.Fatalf("ungranted claim CAS: %v", err) |
| 266 | } |
| 267 | unchanged("data handle alone") |
| 268 | |
| 269 | // Held: the decision lands, then its response is lost. |
| 270 | hook.after = func() error { return errors.New("crash: response lost after the durable record decision") } |
| 271 | if err := RecoverTerminatedMovingHost(ctx, data, mh, w.authority, w.host, w.ref, w.now); err == nil { |
| 272 | t.Fatal("missing crash") |
| 273 | } |
| 274 | if w.claim(t).ETag != claimBefore { |
| 275 | t.Fatal("converted despite the crash") |
| 276 | } |
| 277 | rec, err := provision.GetRecord(ctx, w.raw, "bab", "app", w.host) |
| 278 | if err != nil { |
| 279 | t.Fatal(err) |
| 280 | } |
| 281 | if rec.Move.State != provision.MoveRelocating || !rec.Move.Relocation.DecidedAt.Equal(w.now) { |
| 282 | t.Fatalf("decision not durable: %+v", rec.Move) |
| 283 | } |
| 284 | // The write reached the store and its outcome was lost: uncertain, never |
| 285 | // "not-applied". |
| 286 | if d := w.effects(t, "move-relocating-decision"); len(d) != 1 || d[0].State != "uncertain" || d[0].OperationID != "move" || d[0].Owner != c7Owner { |
| 287 | t.Fatalf("decision effect after the crash: %+v", d) |
| 288 | } |
| 289 | if _, err := hostclaim.ConvertMovingToRelocating(ctx, data, w.claim(t), "move", w.ref, w.authority, movingRecordDecision{store: data, placement: w.authority}); !errors.Is(err, ErrPending) { |
| 290 | t.Fatalf("conversion without the registration's grant: %v", err) |
| 291 | } |
| 292 | |
| 293 | // Seeded between the runs: the target box acknowledges its chore (its |
| 294 | // own write, not this console's data handle). |
| 295 | if _, err := hostclaim.Update(ctx, w.raw, w.claim(t), hostclaim.CompleteObligation("move", "ack")); err != nil { |
| 296 | t.Fatal(err) |
| 297 | } |
| 298 | if err := RecoverTerminatedMovingHost(ctx, data, mh, w.authority, w.host, w.ref, w.now.Add(time.Minute)); err != nil { |
| 299 | t.Fatal(err) |
| 300 | } |
| 301 | c := w.claim(t).Claim |
| 302 | if c.Op.Kind != hostclaim.KindRelocating || c.Holder.Stamp != 7 || len(c.Obligations) != 1 || c.Obligations[0].ID != "keep" || c.Op.Journal["admission_id"] != "move" { |
| 303 | t.Fatalf("replay lost the acknowledgement or the contract: %+v", c) |
| 304 | } |
| 305 | if rec, err = provision.GetRecord(ctx, w.raw, "bab", "app", w.host); err != nil || !rec.Move.Relocation.DecidedAt.Equal(w.now) { |
| 306 | t.Fatalf("replay redecided: %v %+v", err, rec.Move) |
| 307 | } |
| 308 | if d := w.effects(t, "move-relocating-decision"); len(d) != 1 { |
| 309 | t.Fatalf("replay issued a second decision: %+v", d) |
| 310 | } |
| 311 | converted := w.claim(t).ETag |
| 312 | if err := RecoverTerminatedMovingHost(ctx, data, mh, w.authority, w.host, w.ref, w.now.Add(time.Hour)); err != nil { |
| 313 | t.Fatal("converted replay", err) |
| 314 | } |
| 315 | if err := RecoverTerminatedMovingHost(ctx, data, nil, w.authority, w.host, w.ref, w.now.Add(time.Hour)); err == nil { |
| 316 | t.Fatal("unbound converted replay") |
| 317 | } |
| 318 | if w.claim(t).ETag != converted { |
| 319 | t.Fatal("converted replay wrote the claim") |
| 320 | } |
| 321 | } |
| 322 | |
| 323 | func TestC7DecisionReplayPreservesInterveningChoreAcknowledgement(t *testing.T) { |
| 324 | for _, changeOperation := range []bool{false, true} { |
| 325 | t.Run(map[bool]string{false: "chore", true: "changed-operation"}[changeOperation], func(t *testing.T) { |
| 326 | ctx := context.Background() |
| 327 | w := newC7World(t, nil) |
| 328 | hook := &c7DecisionHook{Store: w.raw, key: w.key} |
| 329 | hook.after = func() error { |
| 330 | o, e := hostclaim.Read(ctx, w.raw, w.host) |
| 331 | if e != nil { |
| 332 | return e |
| 333 | } |
| 334 | _, e = hostclaim.Update(ctx, w.raw, o, func(next *hostclaim.Claim) error { |
| 335 | if changeOperation { |
| 336 | next.Op.Intent["to"] = "de" |
| 337 | return nil |
| 338 | } |
| 339 | return hostclaim.CompleteObligation("move", "ack")(next) |
| 340 | }) |
| 341 | if e != nil { |
| 342 | return e |
| 343 | } |
| 344 | return errors.New("crash after durable record decision") |
| 345 | } |
| 346 | wrapped := conditionalRecordStore{raw: hook} |
| 347 | if err := RecoverTerminatedMovingHost(ctx, wrapped, w.mh, w.authority, w.host, w.ref, w.now); err == nil { |
| 348 | t.Fatal("missing crash") |
| 349 | } |
| 350 | before := w.claim(t) |
| 351 | err := RecoverTerminatedMovingHost(ctx, wrapped, w.mh, w.authority, w.host, w.ref, w.now.Add(time.Minute)) |
| 352 | after := w.claim(t) |
| 353 | if changeOperation { |
| 354 | if err == nil || after.ETag != before.ETag { |
| 355 | t.Fatal("changed operation converted", err) |
| 356 | } |
| 357 | return |
| 358 | } |
| 359 | if err != nil { |
| 360 | t.Fatal(err) |
| 361 | } |
| 362 | c := after.Claim |
| 363 | if c.Op.Kind != hostclaim.KindRelocating || c.Op.Exec != "none" || c.Holder.Stamp != 7 || c.Holder.Generation != "generation" || len(c.Obligations) != 1 || c.Obligations[0].ID != "keep" { |
| 364 | t.Fatalf("lost durable acknowledgement or holder: %+v", c) |
| 365 | } |
| 366 | if c.Op.Intent["source_box"] != "source" || c.Op.Intent["region"] != "ie" || c.Op.Intent["move_to_region"] != "uk" || c.Op.Journal["admission_id"] != "move" || c.Op.Journal["conversion_decision_sha256"] == "" { |
| 367 | t.Fatalf("conversion lost its contract: %+v", c.Op) |
| 368 | } |
| 369 | rec, err := provision.GetRecord(ctx, w.raw, "bab", "app", w.host) |
| 370 | if err != nil { |
| 371 | t.Fatal(err) |
| 372 | } |
| 373 | if rec.Move.State != provision.MoveRelocating || rec.Move.Relocation.SourceBox != "source" || rec.Move.Relocation.Region != "ie" || !rec.Move.Relocation.DecidedAt.Equal(w.now) { |
| 374 | t.Fatalf("record decision: %+v", rec.Move) |
| 375 | } |
| 376 | if err = RecoverTerminatedMovingHost(ctx, wrapped, w.mh, w.authority, w.host, w.ref, w.now.Add(time.Hour)); err != nil { |
| 377 | t.Fatal("converted replay", err) |
| 378 | } |
| 379 | saved := w.claim(t) |
| 380 | if _, e := hostclaim.Update(ctx, w.raw, saved, func(c *hostclaim.Claim) error { |
| 381 | c.Op.Journal["conversion_decision_sha256"] = strings.Repeat("f", 64) |
| 382 | return nil |
| 383 | }); e != nil { |
| 384 | t.Fatal(e) |
| 385 | } |
| 386 | if err = RecoverTerminatedMovingHost(ctx, wrapped, w.mh, w.authority, w.host, w.ref, w.now.Add(2*time.Hour)); err == nil { |
| 387 | t.Fatal("unbound converted claim replayed") |
| 388 | } |
| 389 | }) |
| 390 | } |
| 391 | } |
| 392 | |
| 393 | // Every refusal leaves both the record and the claim as they were. The |
| 394 | // region is the record's and must equal the fence binding; the claim's |
| 395 | // intent is never a region input. |
| 396 | func TestC7RecoveryRefusesBeforeAnyWrite(t *testing.T) { |
| 397 | for _, tc := range []string{"fence-region", "record-region", "claim-region-ignored", "no-admission", "admission-kind", "admission-epoch", "admission-incarnation", "missing-admission-id", "admission-not-op", "legacy-source-box", "wrong-enrollment", "flipped"} { |
| 398 | t.Run(tc, func(t *testing.T) { |
| 399 | ctx := context.Background() |
| 400 | w := newC7World(t, func(c *hostclaim.Claim, rec *provision.Record, adm *AppAdmission) { |
| 401 | reg := adm.Registrations["move"] |
| 402 | switch tc { |
| 403 | case "record-region": |
| 404 | rec.Region, rec.Move.From = "fr", "fr" |
| 405 | case "claim-region-ignored": |
| 406 | // A pre-C7 claim region cannot steer the decision. |
| 407 | c.Op.Intent["source_region"] = "fr" |
| 408 | case "no-admission": |
| 409 | delete(adm.Registrations, "move") |
| 410 | case "admission-kind": |
| 411 | reg.Kind = "create" |
| 412 | case "admission-epoch": |
| 413 | adm.Epoch = 2 |
| 414 | case "admission-incarnation": |
| 415 | reg.Incarnation = strings.Repeat("9", 64) |
| 416 | case "missing-admission-id": |
| 417 | delete(c.Op.Intent, "admission_id") |
| 418 | case "admission-not-op": |
| 419 | // A live move registration under another id is drainable. |
| 420 | c.Op.Intent["admission_id"] = "other" |
| 421 | adm.Registrations["other"] = reg |
| 422 | case "legacy-source-box": |
| 423 | c.Op.Intent["source_box"] = c.Op.Intent["source"] |
| 424 | delete(c.Op.Intent, "source") |
| 425 | case "wrong-enrollment": |
| 426 | c.Op.Intent["source_enrollment"] = strings.Repeat("d", 32) |
| 427 | case "flipped": |
| 428 | rec.Region, rec.Move.State, rec.Move.CutPhase = "uk", provision.MoveLanding, provision.CutFlipped |
| 429 | } |
| 430 | if _, ok := adm.Registrations["move"]; ok { |
| 431 | adm.Registrations["move"] = reg |
| 432 | } |
| 433 | }) |
| 434 | if tc == "fence-region" { |
| 435 | w.authority.region = "uk" |
| 436 | } |
| 437 | claimBefore := w.claim(t) |
| 438 | _, recordTag, err := provision.GetRecordETag(ctx, w.raw, "bab", "app", w.host) |
| 439 | if err != nil { |
| 440 | t.Fatal(err) |
| 441 | } |
| 442 | err = RecoverTerminatedMovingHost(ctx, conditionalRecordStore{raw: w.raw}, w.mh, w.authority, w.host, w.ref, w.now) |
| 443 | if tc == "claim-region-ignored" { |
| 444 | if err != nil { |
| 445 | t.Fatal("a stale claim region blocked a valid conversion", err) |
| 446 | } |
| 447 | return |
| 448 | } |
| 449 | if err == nil { |
| 450 | t.Fatal("accepted") |
| 451 | } |
| 452 | _, recordAfter, _ := provision.GetRecordETag(ctx, w.raw, "bab", "app", w.host) |
| 453 | if w.claim(t).ETag != claimBefore.ETag || recordAfter != recordTag { |
| 454 | t.Fatal("refusal wrote the claim or the record") |
| 455 | } |
| 456 | }) |
| 457 | } |
| 458 | } |
| 459 | |
| 460 | func TestC7TargetParkedAtWaitsForRegionAndBoxChores(t *testing.T) { |
| 461 | for _, kind := range []string{"none", "box", "region", "participant", "executor", "region-mismatch"} { |
| 462 | t.Run(kind, func(t *testing.T) { |
| 463 | w := newC7World(t, func(c *hostclaim.Claim, r *provision.Record, _ *AppAdmission) { |
| 464 | c.Op.Kind, c.Op.Phase, c.Op.Exec = hostclaim.KindRestoring, hostclaim.PhaseReleased, "none" |
| 465 | c.Op.Participants = []string{"source"} |
| 466 | c.Lost = []string{"target"} |
| 467 | c.Obligations = nil |
| 468 | switch kind { |
| 469 | case "box": |
| 470 | c.Obligations = []hostclaim.Obligation{{ID: "local", Op: "move", Kind: "park-local", Box: "target", Owner: "box:target", Retirement: "r"}} |
| 471 | case "region": |
| 472 | c.Obligations = []hostclaim.Obligation{{ID: "region", Op: "move", Kind: "park-replica", Region: "uk", Owner: "region:uk", Retirement: "r"}} |
| 473 | case "participant": |
| 474 | c.Op.Participants = append(c.Op.Participants, "target") |
| 475 | case "executor": |
| 476 | c.Op.Exec = "target" |
| 477 | case "region-mismatch": |
| 478 | c.Op.Intent["to"] = "ie" |
| 479 | } |
| 480 | r.Move.State = provision.MoveRollingBack |
| 481 | r.Move.Rollback = &provision.MoveRollback{ID: "rb_abcdefghijklmnopqrstuvwxyz", TargetPhase: provision.RbTargetReleased} |
| 482 | }) |
| 483 | stamp := func() error { |
| 484 | return w.control.RunRecovery(t.Context(), func(ctx context.Context) error { |
| 485 | return runMoveRecovery(ctx, w.claim(t), func(ctx context.Context, g *MoveRecoveryGrant) error { return g.StampLostMoveTargetParked(ctx) }) |
| 486 | }) |
| 487 | } |
| 488 | err := stamp() |
| 489 | if kind != "none" { |
| 490 | if !errors.Is(err, ErrPending) { |
| 491 | t.Fatalf("pending: %v", err) |
| 492 | } |
| 493 | } else if err != nil { |
| 494 | t.Fatal(err) |
| 495 | } |
| 496 | after, err := provision.GetRecord(t.Context(), w.raw, "bab", "app", w.host) |
| 497 | if err != nil { |
| 498 | t.Fatal(err) |
| 499 | } |
| 500 | if (after.Move.Rollback.TargetParkedAt != nil) != (kind == "none") { |
| 501 | t.Fatal("wrong park stamp") |
| 502 | } |
| 503 | if kind == "none" { |
| 504 | tag := w.recordTag(t) |
| 505 | w.clock = w.now.Add(time.Hour) |
| 506 | if err := stamp(); err != nil { |
| 507 | t.Fatal(err) |
| 508 | } |
| 509 | if w.recordTag(t) != tag { |
| 510 | t.Fatal("changed original park time") |
| 511 | } |
| 512 | } |
| 513 | }) |
| 514 | } |
| 515 | } |
| 516 | |
amadan