| 1 | package hostrelocate |
| 2 | |
| 3 | import ( |
| 4 | "context" |
| 5 | "crypto/sha256" |
| 6 | "encoding/hex" |
| 7 | "encoding/json" |
| 8 | "errors" |
| 9 | "fmt" |
| 10 | "os" |
| 11 | "strings" |
| 12 | "testing" |
| 13 | "time" |
| 14 | |
| 15 | "github.com/carlosframework/platform/internal/genselect" |
| 16 | "github.com/carlosframework/platform/internal/hostclaim" |
| 17 | "github.com/carlosframework/platform/internal/hostfiles" |
| 18 | "github.com/carlosframework/platform/internal/moves" |
| 19 | "github.com/carlosframework/platform/internal/park" |
| 20 | "github.com/carlosframework/platform/internal/release" |
| 21 | ) |
| 22 | |
| 23 | const pinLocation = "instances/" + host + "/inc" |
| 24 | |
| 25 | func pinClaim() hostclaim.Observed { |
| 26 | return hostclaim.Observed{Host: host, Claim: &hostclaim.Claim{Host: host, Gen: 12, Op: hostclaim.Op{Kind: hostclaim.KindRelocating, ID: "rel-1", Phase: hostclaim.PhasePinning, Journal: map[string]string{}}, |
| 27 | Holder: &hostclaim.Holder{Location: pinLocation, Generation: "g3", Session: 3, |
| 28 | Admissions: []hostclaim.AdmissionRecord{{Generation: "g2", Predecessor: "g1"}, {Generation: "g3", Predecessor: "g2"}}}}} |
| 29 | } |
| 30 | |
| 31 | // keyed adds the host's instance.key (H6), as every manifest of a host |
| 32 | // whose database is nonempty must carry (rev 18), and the platform items |
| 33 | // every pinned manifest carries (withPlatformItems). |
| 34 | func keyed(m hostfiles.Manifest) hostfiles.Manifest { |
| 35 | sha := strings.Repeat("b", 64) |
| 36 | m.Entries["instance.key"] = hostfiles.Entry{Object: pinLocation + "/files/g-g1/objects/0000000000000001-" + sha, SHA256: sha, Size: 32, Mode: 0o600, Seq: 1} |
| 37 | return withPlatformItems(m) |
| 38 | } |
| 39 | |
| 40 | // withPlatformItems adds the env file and the wake state, as a release |
| 41 | // flush publishes them, where m has none (Task 8c: a pinned manifest |
| 42 | // without either refuses). The pinner reads neither unless the key |
| 43 | // evidence asks for the env. |
| 44 | func withPlatformItems(m hostfiles.Manifest) hostfiles.Manifest { |
| 45 | return withItem(withItem(m, hostfiles.EnvItem, "c"), hostfiles.WakeItem, "d") |
| 46 | } |
| 47 | |
| 48 | func withItem(m hostfiles.Manifest, name, digit string) hostfiles.Manifest { |
| 49 | if _, ok := m.Platform[name]; !ok { |
| 50 | sha := strings.Repeat(digit, 64) |
| 51 | m.Platform[name] = hostfiles.Entry{Object: pinLocation + "/files/g-g1/objects/0000000000000001-" + sha, SHA256: sha, Size: 10, Mode: 0o600, Seq: 1} |
| 52 | } |
| 53 | return m |
| 54 | } |
| 55 | |
| 56 | // stagePlatformItems stages the env file and the wake state, as a release |
| 57 | // flush does. |
| 58 | func stagePlatformItems(t *testing.T, p *hostfiles.Publisher) { |
| 59 | t.Helper() |
| 60 | if err := p.StagePlatform(context.Background(), hostfiles.EnvItem, []byte("CARLOS_ADMIN_TOKEN=t\n")); err != nil { |
| 61 | t.Fatal(err) |
| 62 | } |
| 63 | if err := p.StagePlatform(context.Background(), hostfiles.WakeItem, []byte(`{"v":1,"host":"`+host+`","timers":[]}`)); err != nil { |
| 64 | t.Fatal(err) |
| 65 | } |
| 66 | } |
| 67 | |
| 68 | func putManifest(t *testing.T, data release.Store, gen string, m hostfiles.Manifest) (string, []byte) { |
| 69 | t.Helper() |
| 70 | raw, _ := json.Marshal(m) |
| 71 | key := hostfiles.ManifestKey(moves.GenerationFilesPrefix(pinLocation, gen)) |
| 72 | if _, err := data.Put(context.Background(), key, raw, ""); err != nil { |
| 73 | t.Fatal(err) |
| 74 | } |
| 75 | return key, raw |
| 76 | } |
| 77 | |
| 78 | func selectAt(txid uint64) func(context.Context, genselect.Request) (*genselect.Plan, error) { |
| 79 | return func(_ context.Context, req genselect.Request) (*genselect.Plan, error) { |
| 80 | return &genselect.Plan{Generation: req.Holder.Generation, MaxTXID: txid}, nil |
| 81 | } |
| 82 | } |
| 83 | |
| 84 | func TestStorePinnerPinsTheNewestFilesManifestInTheChain(t *testing.T) { |
| 85 | ctx := context.Background() |
| 86 | claims, data := release.NewDirStore(t.TempDir()), release.NewDirStore(t.TempDir()) |
| 87 | // g3 (holder.generation) never published files; g2 did, then g1 earlier. |
| 88 | for gen, seq := range map[string]int64{"g2": 5, "g1": 9} { |
| 89 | putManifest(t, data, gen, keyed(hostfiles.Manifest{V: hostfiles.ManifestVersion, Seq: seq, Entries: map[string]hostfiles.Entry{}, Platform: map[string]hostfiles.Entry{}})) |
| 90 | } |
| 91 | selects := 0 |
| 92 | p := StorePinner{Claims: claims, Data: data, Release: routeRelease, Bucket: "data", Region: "ie", |
| 93 | SelectDB: func(ctx context.Context, req genselect.Request) (*genselect.Plan, error) { |
| 94 | selects++ |
| 95 | return selectAt(41)(ctx, req) |
| 96 | }} |
| 97 | at := time.Date(2026, 10, 7, 9, 0, 0, 0, time.UTC) |
| 98 | pin, err := p.Pin(ctx, pinClaim(), at) |
| 99 | if err != nil { |
| 100 | t.Fatal(err) |
| 101 | } |
| 102 | if pin.FilesManifest != hostfiles.ManifestKey(pinLocation+"/files/g-g2/") || pin.FilesSeq != 5 || pin.MaxTXID != 41 || pin.Key != PinKey(host, "rel-1", 12) || pin.Empty { |
| 103 | t.Fatalf("pin: %+v", pin) |
| 104 | } |
| 105 | obj, err := ReadPin(ctx, claims, pin) |
| 106 | if err != nil { |
| 107 | t.Fatal(err) |
| 108 | } |
| 109 | if want := []string{pinLocation + "/files/g-g3/", pinLocation + "/files/g-g2/", pinLocation + "/files/g-g1/"}; !equalStrings(obj.Files.Origins, want) || obj.ClaimGen != 12 { |
| 110 | t.Fatalf("origins %v gen %d", obj.Files.Origins, obj.ClaimGen) |
| 111 | } |
| 112 | // The exact bytes are retained in the control bucket before the pin. |
| 113 | kept, _, kerr := claims.Get(ctx, obj.Files.Retained) |
| 114 | if kerr != nil || obj.Files.Retained != RetainedManifestKey(host, "rel-1", obj.Files.SHA256) { |
| 115 | t.Fatalf("retained copy: %s %v", obj.Files.Retained, kerr) |
| 116 | } |
| 117 | if sum := sha256.Sum256(kept); hex.EncodeToString(sum[:]) != obj.Files.SHA256 { |
| 118 | t.Fatal("the retained copy is not the pinned bytes") |
| 119 | } |
| 120 | // A retry at the same observation reuses the object unchanged. |
| 121 | again, err := p.Pin(ctx, pinClaim(), at.Add(time.Minute)) |
| 122 | if err != nil || again != pin || selects != 1 { |
| 123 | t.Fatalf("replay: %+v %v selects=%d", again, err, selects) |
| 124 | } |
| 125 | // The claim moved (the journal CAS lost): the next pin is a fresh |
| 126 | // selection at the new generation; the old object is never reused. |
| 127 | moved := pinClaim() |
| 128 | moved.Claim.Gen = 13 |
| 129 | next, err := p.Pin(ctx, moved, at.Add(2*time.Minute)) |
| 130 | if err != nil || next.Key != PinKey(host, "rel-1", 13) || selects != 2 || next.PinnedAt.Equal(pin.PinnedAt) { |
| 131 | t.Fatalf("after the claim moved: %+v %v selects=%d", next, err, selects) |
| 132 | } |
| 133 | // An object at the key that is not this operation's is refused. |
| 134 | if _, err := claims.Put(ctx, PinKey(host, "rel-2", 12), []byte(`{"v":1,"host":"other","op":"rel-2","claim_gen":12,"db":{}}`), ""); err != nil { |
| 135 | t.Fatal(err) |
| 136 | } |
| 137 | other := pinClaim() |
| 138 | other.Claim.Op.ID = "rel-2" |
| 139 | if _, err := p.Pin(ctx, other, at); !errors.Is(err, ErrRefused) { |
| 140 | t.Fatalf("foreign pin object: %v", err) |
| 141 | } |
| 142 | // A rewritten object is caught by the journaled digest. |
| 143 | tampered := pin |
| 144 | tampered.SHA256 = strings.Repeat("0", 64) |
| 145 | if _, err := ReadPin(ctx, claims, tampered); !errors.Is(err, ErrRefused) { |
| 146 | t.Fatalf("a pin that does not hash to its digest was read: %v", err) |
| 147 | } |
| 148 | } |
| 149 | |
| 150 | func equalStrings(a, b []string) bool { |
| 151 | if len(a) != len(b) { |
| 152 | return false |
| 153 | } |
| 154 | for i := range a { |
| 155 | if a[i] != b[i] { |
| 156 | return false |
| 157 | } |
| 158 | } |
| 159 | return true |
| 160 | } |
| 161 | |
| 162 | func TestStorePinnerChecksTheBoundsBeforeItWrites(t *testing.T) { |
| 163 | ctx := context.Background() |
| 164 | at := time.Date(2026, 10, 7, 9, 0, 0, 0, time.UTC) |
| 165 | release := func(txid uint64, seq int64) string { |
| 166 | raw, _ := json.Marshal(hostclaim.Release{ReleasedBy: "src", Enrollment: "e", Generation: "g3", Session: 3, FinalTXID: txid, ManifestSeq: seq, Receipt: "r", ReceiptSHA256: strings.Repeat("d", 64)}) |
| 167 | return string(raw) |
| 168 | } |
| 169 | for _, tc := range []struct { |
| 170 | name string |
| 171 | journal map[string]string |
| 172 | txid uint64 |
| 173 | seq int64 |
| 174 | now time.Time |
| 175 | }{ |
| 176 | {"the listing is short of the release", map[string]string{"release": release(45, 5)}, 41, 5, at}, |
| 177 | {"the files manifest is short of the release", map[string]string{"release": release(41, 6)}, 41, 5, at}, |
| 178 | {"inside the failover window", map[string]string{"fence.src.observed_at": at.Format(time.RFC3339Nano)}, 41, 5, at.Add(29 * time.Second)}, |
| 179 | } { |
| 180 | t.Run(tc.name, func(t *testing.T) { |
| 181 | claims, data := release_NewDirStore(t), release_NewDirStore(t) |
| 182 | putManifest(t, data, "g3", keyed(hostfiles.Manifest{V: hostfiles.ManifestVersion, Seq: tc.seq, Entries: map[string]hostfiles.Entry{}, Platform: map[string]hostfiles.Entry{}})) |
| 183 | o := pinClaim() |
| 184 | o.Claim.Op.Journal = tc.journal |
| 185 | p := StorePinner{Claims: claims, Data: data, Release: routeRelease, Bucket: "data", Region: "ie", SelectDB: selectAt(tc.txid)} |
| 186 | if _, err := p.Pin(ctx, o, tc.now); !errors.Is(err, ErrNotYet) { |
| 187 | t.Fatalf("got %v, want ErrNotYet", err) |
| 188 | } |
| 189 | if keys, _ := claims.List(ctx, "control/relocations/"); len(keys) != 0 { |
| 190 | t.Fatalf("a pin that cannot be journaled was written: %v", keys) |
| 191 | } |
| 192 | }) |
| 193 | } |
| 194 | } |
| 195 | |
| 196 | func release_NewDirStore(t *testing.T) release.Store { return release.NewDirStore(t.TempDir()) } |
| 197 | |
| 198 | func TestStorePinnerPinsEmptyOnlyWithEvidence(t *testing.T) { |
| 199 | ctx := context.Background() |
| 200 | at := time.Date(2026, 10, 7, 9, 0, 0, 0, time.UTC) |
| 201 | empty := func(context.Context, genselect.Request) (*genselect.Plan, error) { return nil, genselect.ErrEmpty } |
| 202 | released := func(txid uint64) string { |
| 203 | raw, _ := json.Marshal(hostclaim.Release{ReleasedBy: "src", Enrollment: "e", Generation: "g3", Session: 3, FinalTXID: txid, Receipt: "r", ReceiptSHA256: strings.Repeat("d", 64)}) |
| 204 | return string(raw) |
| 205 | } |
| 206 | for _, tc := range []struct { |
| 207 | name string |
| 208 | session uint64 |
| 209 | journal map[string]string |
| 210 | want string |
| 211 | }{ |
| 212 | {"a release at txid 0", 3, map[string]string{"release": released(0)}, "release"}, |
| 213 | {"a never-woken host", 0, map[string]string{}, "session-0"}, |
| 214 | {"a release at txid 40 and an empty listing", 3, map[string]string{"release": released(40)}, ""}, |
| 215 | {"a failover of a host that had a writer", 3, map[string]string{}, ""}, |
| 216 | } { |
| 217 | t.Run(tc.name, func(t *testing.T) { |
| 218 | claims, data := release_NewDirStore(t), release_NewDirStore(t) |
| 219 | o := pinClaim() |
| 220 | o.Claim.Holder.Session, o.Claim.Op.Journal = tc.session, tc.journal |
| 221 | p := StorePinner{Claims: claims, Data: data, Release: routeRelease, Bucket: "data", Region: "ie", SelectDB: empty} |
| 222 | pin, err := p.Pin(ctx, o, at) |
| 223 | if tc.want == "" { |
| 224 | if !errors.Is(err, genselect.ErrEmpty) { |
| 225 | t.Fatalf("an unevidenced empty listing was pinned: %+v %v", pin, err) |
| 226 | } |
| 227 | return |
| 228 | } |
| 229 | if err != nil || !pin.Empty || pin.MaxTXID != 0 || pin.Generation != "" { |
| 230 | t.Fatalf("empty pin: %+v %v", pin, err) |
| 231 | } |
| 232 | obj, err := ReadPin(ctx, claims, pin) |
| 233 | if err != nil || obj.Empty != tc.want || obj.DB != nil { |
| 234 | t.Fatalf("object: %+v %v", obj, err) |
| 235 | } |
| 236 | }) |
| 237 | } |
| 238 | } |
| 239 | |
| 240 | func TestStorePinnerRefusesAnUnreadableManifest(t *testing.T) { |
| 241 | ctx := context.Background() |
| 242 | claims, data := release.NewDirStore(t.TempDir()), release.NewDirStore(t.TempDir()) |
| 243 | if _, err := data.Put(ctx, hostfiles.ManifestKey(pinLocation+"/files/g-g3/"), []byte(`{"v":1}`), ""); err != nil { |
| 244 | t.Fatal(err) |
| 245 | } |
| 246 | p := StorePinner{Claims: claims, Data: data, Release: routeRelease, Bucket: "data", Region: "ie", SelectDB: selectAt(41)} |
| 247 | if _, err := p.Pin(ctx, pinClaim(), time.Now()); !errors.Is(err, ErrRefused) { |
| 248 | t.Fatalf("a version 1 manifest was pinned: %v", err) |
| 249 | } |
| 250 | } |
| 251 | |
| 252 | // pinnedManifest publishes gen's manifest whose one entry names an object |
| 253 | // under origin (an earlier generation's prefix), and returns its pin. |
| 254 | func pinnedManifest(t *testing.T, claims, data release.Store, gen, origin string, seq int64) (FilesPin, hostfiles.Manifest) { |
| 255 | t.Helper() |
| 256 | sum := sha256.Sum256([]byte("hello")) |
| 257 | sha := hex.EncodeToString(sum[:]) |
| 258 | object := origin + "objects/" + strings.Repeat("0", 15) + "1-" + sha |
| 259 | if _, err := data.Put(context.Background(), object, []byte("hello"), ""); err != nil { |
| 260 | t.Fatal(err) |
| 261 | } |
| 262 | m := hostfiles.Manifest{V: hostfiles.ManifestVersion, Seq: seq, Entries: map[string]hostfiles.Entry{"a.txt": {Object: object, SHA256: sha, Size: 5, Mode: 0o644, Seq: 1}}, Platform: map[string]hostfiles.Entry{}} |
| 263 | _, raw := putManifest(t, data, gen, m) |
| 264 | rawSum := sha256.Sum256(raw) |
| 265 | manifestSHA := hex.EncodeToString(rawSum[:]) |
| 266 | retained := RetainedManifestKey(host, "rel-1", manifestSHA) |
| 267 | if _, err := claims.Put(context.Background(), retained, raw, ""); err != nil { |
| 268 | t.Fatal(err) |
| 269 | } |
| 270 | prefix := moves.GenerationFilesPrefix(pinLocation, gen) |
| 271 | return FilesPin{Prefix: prefix, Seq: seq, SHA256: manifestSHA, Origins: []string{prefix, origin}, Retained: retained}, m |
| 272 | } |
| 273 | |
| 274 | func TestCopyPinnedManifestEnforcesThePin(t *testing.T) { |
| 275 | ctx := context.Background() |
| 276 | t.Run("a second relocation keeps objects of an earlier generation", func(t *testing.T) { |
| 277 | claims, data := release.NewDirStore(t.TempDir()), release.NewDirStore(t.TempDir()) |
| 278 | pin, want := pinnedManifest(t, claims, data, "P1", pinLocation+"/files/g-g1/", 3) |
| 279 | got, err := CopyPinnedManifest(ctx, claims, data, pin, pinLocation+"/files/g-P2/") |
| 280 | if err != nil || got.Seq != 0 || want.Seq != 3 || got.Entries["a.txt"] != want.Entries["a.txt"] { |
| 281 | t.Fatalf("copy: %+v %v", got, err) |
| 282 | } |
| 283 | // A replay is a success; the copy's entries still name g1's object. |
| 284 | if _, err := CopyPinnedManifest(ctx, claims, data, pin, pinLocation+"/files/g-P2/"); err != nil { |
| 285 | t.Fatalf("replay: %v", err) |
| 286 | } |
| 287 | // Without the earlier generation among the origins the copy refuses. |
| 288 | narrow := pin |
| 289 | narrow.Origins = []string{pin.Prefix} |
| 290 | if _, err := CopyPinnedManifest(ctx, claims, data, narrow, pinLocation+"/files/g-P3/"); !errors.Is(err, hostfiles.ErrOrigin) { |
| 291 | t.Fatalf("an inherited object outside the origins: %v", err) |
| 292 | } |
| 293 | }) |
| 294 | t.Run("a source manifest that moved after the pin is not read", func(t *testing.T) { |
| 295 | // A late PUT to the source changes nothing: P is written from the |
| 296 | // retained bytes, so an admitted pin stays usable (B2-4). |
| 297 | claims, data := release.NewDirStore(t.TempDir()), release.NewDirStore(t.TempDir()) |
| 298 | pin, m := pinnedManifest(t, claims, data, "P1", pinLocation+"/files/g-g1/", 3) |
| 299 | m.Seq = 4 |
| 300 | m.Entries["late.txt"] = m.Entries["a.txt"] |
| 301 | raw, _ := json.Marshal(m) |
| 302 | _, etag, _ := data.Get(ctx, hostfiles.ManifestKey(pin.Prefix)) |
| 303 | if _, err := data.Put(ctx, hostfiles.ManifestKey(pin.Prefix), raw, etag); err != nil { |
| 304 | t.Fatal(err) |
| 305 | } |
| 306 | got, err := CopyPinnedManifest(ctx, claims, data, pin, pinLocation+"/files/g-P2/") |
| 307 | if _, late := got.Entries["late.txt"]; err != nil || got.Seq != 0 || late || len(got.Entries) != 1 { |
| 308 | t.Fatalf("the pinned revision: %+v %v", got, err) |
| 309 | } |
| 310 | }) |
| 311 | t.Run("a retained copy that is not the pinned bytes", func(t *testing.T) { |
| 312 | claims, data := release.NewDirStore(t.TempDir()), release.NewDirStore(t.TempDir()) |
| 313 | pin, m := pinnedManifest(t, claims, data, "P1", pinLocation+"/files/g-g1/", 3) |
| 314 | e := m.Entries["a.txt"] |
| 315 | e.Size = 6 |
| 316 | m.Entries["a.txt"] = e |
| 317 | raw, _ := json.Marshal(m) |
| 318 | tampered := release.NewDirStore(t.TempDir()) |
| 319 | if _, err := tampered.Put(ctx, pin.Retained, raw, ""); err != nil { |
| 320 | t.Fatal(err) |
| 321 | } |
| 322 | if _, err := CopyPinnedManifest(ctx, tampered, data, pin, pinLocation+"/files/g-P2/"); !errors.Is(err, ErrRefused) { |
| 323 | t.Fatalf("bytes the pin did not vouch for were copied: %v", err) |
| 324 | } |
| 325 | if _, _, err := data.Get(ctx, hostfiles.ManifestKey(pinLocation+"/files/g-P2/")); err == nil { |
| 326 | t.Fatal("P's manifest was written from bytes the pin did not admit") |
| 327 | } |
| 328 | }) |
| 329 | t.Run("a host that never published files", func(t *testing.T) { |
| 330 | claims, data := release.NewDirStore(t.TempDir()), release.NewDirStore(t.TempDir()) |
| 331 | pin := FilesPin{Prefix: pinLocation + "/files/g-g3/", Origins: []string{pinLocation + "/files/g-g3/"}} |
| 332 | m, err := CopyPinnedManifest(ctx, claims, data, pin, pinLocation+"/files/g-P1/") |
| 333 | if err != nil || m.Seq != 0 || len(m.Entries) != 0 { |
| 334 | t.Fatalf("empty manifest: %+v %v", m, err) |
| 335 | } |
| 336 | if _, err := CopyPinnedManifest(ctx, claims, data, pin, pinLocation+"/files/g-P1/"); err != nil { |
| 337 | t.Fatalf("replay: %v", err) |
| 338 | } |
| 339 | }) |
| 340 | } |
| 341 | |
| 342 | // Round 11: holder.admissions keeps eight entries, but an unchanged file |
| 343 | // published at g1 is still referenced by every later generation's |
| 344 | // manifest (each copies the last, and unchanged content is never |
| 345 | // rewritten). Ten real admissions and publications later, with g1 trimmed |
| 346 | // from the admission list, the pin still admits g1's object and the copy |
| 347 | // succeeds; a reference outside this incarnation's files refuses. |
| 348 | func TestPinKeepsAFileOriginTheAdmissionListTrimmed(t *testing.T) { |
| 349 | ctx := context.Background() |
| 350 | claims, data := release.NewDirStore(t.TempDir()), release.NewDirStore(t.TempDir()) |
| 351 | created := time.Date(2026, 10, 4, 1, 0, 0, 0, time.UTC) |
| 352 | nh := hostclaim.NewHolder{Family: "instance", Key: "apps/bab/jam/instances/" + host + ".json", Account: "bab", App: "jam", Host: host, Region: "ie", RecordRegion: "ie", CreatedAt: created} |
| 353 | body := []byte(`{"host":"` + host + `","account":"bab","app":"jam","region":"ie","created_at":"2026-10-04T01:00:00Z"}`) |
| 354 | step := func(o hostclaim.Observed, tr func(*hostclaim.Claim) error) hostclaim.Observed { |
| 355 | t.Helper() |
| 356 | next, err := hostclaim.Update(ctx, claims, o, tr) |
| 357 | if err != nil { |
| 358 | t.Fatal(err) |
| 359 | } |
| 360 | return next |
| 361 | } |
| 362 | o, err := hostclaim.Read(ctx, claims, host) |
| 363 | if err != nil { |
| 364 | t.Fatal(err) |
| 365 | } |
| 366 | o = step(o, hostclaim.BeginCreate(nh, body, "c", "console", created)) |
| 367 | o = step(o, hostclaim.CompleteCreate("c", "src")) |
| 368 | loc := o.Claim.Holder.Location |
| 369 | n := 0 |
| 370 | newID := func() string { n++; return fmt.Sprintf("id%d", n) } |
| 371 | var gens []string |
| 372 | prev, prevSeq := "", int64(0) |
| 373 | for i := 1; i <= 10; i++ { |
| 374 | gen := fmt.Sprintf("g%d", i) |
| 375 | o = step(o, hostclaim.AdmitWriter(hostclaim.Admission{Region: "ie", PredecessorRegion: "ie", ObservedSession: o.Claim.Holder.Session, ObservedGeneration: o.Claim.Holder.Generation, |
| 376 | Box: "src", Mode: "cold", NewGeneration: gen, PredecessorCertified: true})) |
| 377 | prefix := moves.GenerationFilesPrefix(loc, gen) |
| 378 | gens = append(gens, prefix) |
| 379 | if prev != "" { |
| 380 | if _, err := hostfiles.CopyManifest(ctx, data, prev, prefix, prevSeq, gens); err != nil { |
| 381 | t.Fatal(err) |
| 382 | } |
| 383 | } |
| 384 | p, err := hostfiles.Open(ctx, data, prefix) |
| 385 | if err != nil { |
| 386 | t.Fatal(err) |
| 387 | } |
| 388 | // kept.txt and instance.key never change after g1; changed.txt |
| 389 | // changes every time. |
| 390 | if err := p.Stage(ctx, "kept.txt", []byte("written once"), 0o644, false); err != nil { |
| 391 | t.Fatal(err) |
| 392 | } |
| 393 | if err := p.Stage(ctx, "instance.key", []byte("the host's key"), 0o600, false); err != nil { |
| 394 | t.Fatal(err) |
| 395 | } |
| 396 | stagePlatformItems(t, p) |
| 397 | if err := p.Stage(ctx, "changed.txt", []byte(gen), 0o644, false); err != nil { |
| 398 | t.Fatal(err) |
| 399 | } |
| 400 | if prevSeq, err = p.Commit(ctx); err != nil { |
| 401 | t.Fatal(err) |
| 402 | } |
| 403 | prev = prefix |
| 404 | o = step(o, hostclaim.PublishGeneration("", "", o.Claim.Holder.Session, gen, "ie", newID)) |
| 405 | } |
| 406 | h := o.Claim.Holder |
| 407 | if len(h.Admissions) != 8 { |
| 408 | t.Fatalf("admissions not trimmed to eight: %d", len(h.Admissions)) |
| 409 | } |
| 410 | for _, a := range h.Admissions { |
| 411 | if a.Generation == "g1" || a.Predecessor == "g1" { |
| 412 | t.Fatalf("g1 is still in the admission list: %+v", h.Admissions) |
| 413 | } |
| 414 | } |
| 415 | m, _, err := hostfiles.Load(ctx, data, loc+"/files/g-g10/") |
| 416 | if err != nil || !strings.HasPrefix(m.Entries["kept.txt"].Object, loc+"/files/g-g1/objects/") { |
| 417 | t.Fatalf("the unchanged file is not g1's object: %+v %v", m.Entries["kept.txt"], err) |
| 418 | } |
| 419 | obs := o |
| 420 | obs.Claim.Op.ID = "rel-1" |
| 421 | p := StorePinner{Claims: claims, Data: data, Release: routeRelease, Bucket: "data", Region: "ie", SelectDB: selectAt(41)} |
| 422 | pin, err := p.Pin(ctx, obs, time.Date(2026, 10, 7, 9, 0, 0, 0, time.UTC)) |
| 423 | if err != nil { |
| 424 | t.Fatal(err) |
| 425 | } |
| 426 | obj, err := ReadPin(ctx, claims, pin) |
| 427 | if err != nil { |
| 428 | t.Fatal(err) |
| 429 | } |
| 430 | got, err := CopyPinnedManifest(ctx, claims, data, obj.Files, loc+"/files/g-P1/") |
| 431 | if err != nil || got.Entries["kept.txt"] != m.Entries["kept.txt"] { |
| 432 | t.Fatalf("copy with g1 trimmed from the admissions: %+v %v", got.Entries, err) |
| 433 | } |
| 434 | // A reference outside this incarnation's files is never admitted. |
| 435 | foreign := m |
| 436 | foreign.Entries = map[string]hostfiles.Entry{"instance.key": m.Entries["instance.key"], "x.txt": {Object: "instances/" + host + "/other-inc/files/g-g1/objects/" + strings.Repeat("a", 64), Seq: 1, SHA256: strings.Repeat("a", 64)}} |
| 437 | raw, _ := json.Marshal(foreign) |
| 438 | _, etag, _ := data.Get(ctx, hostfiles.ManifestKey(loc+"/files/g-g10/")) |
| 439 | if _, err := data.Put(ctx, hostfiles.ManifestKey(loc+"/files/g-g10/"), raw, etag); err != nil { |
| 440 | t.Fatal(err) |
| 441 | } |
| 442 | obs.Claim.Gen++ |
| 443 | if _, err := p.Pin(ctx, obs, time.Date(2026, 10, 7, 9, 1, 0, 0, time.UTC)); !errors.Is(err, hostfiles.ErrOrigin) { |
| 444 | t.Fatalf("a foreign reference was pinned: %v", err) |
| 445 | } |
| 446 | } |
| 447 | |
| 448 | // Round 14 finding 1: the source's files manifest is at sequence 8; P's |
| 449 | // prepared manifest is a create-only copy of its entries at sequence 0 |
| 450 | // (claim rev 6.30 R18-1, moves rev 7.22 §7.6); the session publisher that |
| 451 | // starts after the first admission takes it as its baseline and publishes |
| 452 | // sequence 1, the inherited entries intact. |
| 453 | func TestPreparedManifestIsSequenceZeroAndTheSessionPublishesOne(t *testing.T) { |
| 454 | ctx := context.Background() |
| 455 | claims, data := release.NewDirStore(t.TempDir()), release.NewDirStore(t.TempDir()) |
| 456 | src := pinLocation + "/files/g-g3/" |
| 457 | p, err := hostfiles.Open(ctx, data, src) |
| 458 | if err != nil { |
| 459 | t.Fatal(err) |
| 460 | } |
| 461 | for i := 1; i <= 7; i++ { |
| 462 | if i == 7 { |
| 463 | // The seventh revision also publishes the host's key (H6), and |
| 464 | // its env file and wake state, as the release flush does. |
| 465 | if err := p.Stage(ctx, "instance.key", []byte("the host's key"), 0o600, false); err != nil { |
| 466 | t.Fatal(err) |
| 467 | } |
| 468 | stagePlatformItems(t, p) |
| 469 | } |
| 470 | if err := p.Stage(ctx, "a.txt", []byte(fmt.Sprintf("revision %d", i)), 0o644, false); err != nil { |
| 471 | t.Fatal(err) |
| 472 | } |
| 473 | if _, err := p.Commit(ctx); err != nil { |
| 474 | t.Fatal(err) |
| 475 | } |
| 476 | } |
| 477 | pinner := StorePinner{Claims: claims, Data: data, Release: routeRelease, Bucket: "data", Region: "ie", SelectDB: selectAt(41)} |
| 478 | ref, err := pinner.Pin(ctx, pinClaim(), time.Date(2026, 10, 7, 9, 0, 0, 0, time.UTC)) |
| 479 | if err != nil || ref.FilesSeq != 10 { // seven revisions of a.txt, the key, the env and the wake state: ten objects |
| 480 | t.Fatalf("pin: %+v %v", ref, err) |
| 481 | } |
| 482 | obj, err := ReadPin(ctx, claims, ref) |
| 483 | if err != nil { |
| 484 | t.Fatal(err) |
| 485 | } |
| 486 | prepared := pinLocation + "/files/g-P1/" |
| 487 | m, err := CopyPinnedManifest(ctx, claims, data, obj.Files, prepared) |
| 488 | if err != nil || m.Seq != 0 { |
| 489 | t.Fatalf("prepared manifest: %+v %v", m, err) |
| 490 | } |
| 491 | stored, _, err := hostfiles.Load(ctx, data, prepared) |
| 492 | if err != nil || stored.Seq != 0 || stored.Entries["a.txt"].Object == "" || !strings.HasPrefix(stored.Entries["a.txt"].Object, src+"objects/") { |
| 493 | t.Fatalf("stored prepared manifest: %+v %v", stored, err) |
| 494 | } |
| 495 | session, err := hostfiles.Open(ctx, data, prepared) |
| 496 | if err != nil { |
| 497 | t.Fatal(err) |
| 498 | } |
| 499 | if err := session.Stage(ctx, "b.txt", []byte("first session write"), 0o644, false); err != nil { |
| 500 | t.Fatal(err) |
| 501 | } |
| 502 | seq, err := session.Commit(ctx) |
| 503 | if err != nil || seq != 1 { |
| 504 | t.Fatalf("the first session publication: %d %v", seq, err) |
| 505 | } |
| 506 | after, _, err := hostfiles.Load(ctx, data, prepared) |
| 507 | if err != nil || after.Seq != 1 || after.Entries["a.txt"] != stored.Entries["a.txt"] || after.Entries["b.txt"].Object == "" { |
| 508 | t.Fatalf("after the first publication: %+v %v", after, err) |
| 509 | } |
| 510 | } |
| 511 | |
| 512 | // Two-box model finding F2: no files manifest anywhere in the chain, and |
| 513 | // a writer was admitted (session 3): the pin refuses rather than pin an |
| 514 | // empty set an install would mint a fresh instance.key over. A holder |
| 515 | // that never admitted a writer pins empty. |
| 516 | func TestStorePinnerRefusesAnEmptyFilesPinAfterAWriter(t *testing.T) { |
| 517 | ctx := context.Background() |
| 518 | at := time.Date(2026, 10, 7, 9, 0, 0, 0, time.UTC) |
| 519 | for _, tc := range []struct { |
| 520 | session uint64 |
| 521 | want error |
| 522 | }{{3, ErrFilesUnevidenced}, {0, nil}} { |
| 523 | claims, data := release_NewDirStore(t), release_NewDirStore(t) |
| 524 | o := pinClaim() |
| 525 | o.Claim.Holder.Session = tc.session |
| 526 | p := StorePinner{Claims: claims, Data: data, Release: routeRelease, Bucket: "data", Region: "ie", SelectDB: selectAt(41)} |
| 527 | pin, err := p.Pin(ctx, o, at) |
| 528 | if !errors.Is(err, tc.want) { |
| 529 | t.Fatalf("session %d: %+v %v", tc.session, pin, err) |
| 530 | } |
| 531 | } |
| 532 | } |
| 533 | |
| 534 | // Round 17 finding 1 (P1): a manifest exists, copied before the app |
| 535 | // started, without the instance.key the app minted afterwards; the writer |
| 536 | // was admitted and the database is nonempty. The pin refuses (the worker |
| 537 | // marks the operation stuck); with the key in the manifest, or an empty |
| 538 | // database, it pins. |
| 539 | func TestStorePinnerRefusesAKeylessManifestForANonemptyDatabase(t *testing.T) { |
| 540 | ctx := context.Background() |
| 541 | at := time.Date(2026, 10, 7, 9, 0, 0, 0, time.UTC) |
| 542 | empty := func(context.Context, genselect.Request) (*genselect.Plan, error) { return nil, genselect.ErrEmpty } |
| 543 | released0 := func() string { |
| 544 | raw, _ := json.Marshal(hostclaim.Release{ReleasedBy: "src", Enrollment: "e", Generation: "g3", Session: 3, FinalTXID: 0, ManifestSeq: 4, Receipt: "r", ReceiptSHA256: strings.Repeat("d", 64)}) |
| 545 | return string(raw) |
| 546 | } |
| 547 | for _, tc := range []struct { |
| 548 | name string |
| 549 | key bool |
| 550 | db func(context.Context, genselect.Request) (*genselect.Plan, error) |
| 551 | journal map[string]string |
| 552 | want error |
| 553 | }{ |
| 554 | {"keyless, nonempty database", false, selectAt(41), map[string]string{}, ErrFilesUnevidenced}, |
| 555 | {"keyed, nonempty database", true, selectAt(41), map[string]string{}, nil}, |
| 556 | {"keyless, empty database at a release of 0", false, empty, map[string]string{"release": released0()}, nil}, |
| 557 | } { |
| 558 | t.Run(tc.name, func(t *testing.T) { |
| 559 | claims, data := release_NewDirStore(t), release_NewDirStore(t) |
| 560 | m := withPlatformItems(hostfiles.Manifest{V: hostfiles.ManifestVersion, Seq: 4, Entries: map[string]hostfiles.Entry{}, Platform: map[string]hostfiles.Entry{}}) |
| 561 | if tc.key { |
| 562 | m = keyed(m) |
| 563 | } |
| 564 | putManifest(t, data, "g3", m) |
| 565 | o := pinClaim() |
| 566 | o.Claim.Op.Journal = tc.journal |
| 567 | p := StorePinner{Claims: claims, Data: data, Release: routeRelease, Bucket: "data", Region: "ie", SelectDB: tc.db} |
| 568 | if _, err := p.Pin(ctx, o, at); !errors.Is(err, tc.want) { |
| 569 | t.Fatalf("got %v, want %v", err, tc.want) |
| 570 | } |
| 571 | }) |
| 572 | } |
| 573 | } |
| 574 | |
| 575 | // routeRelease stands in for the region controller's registry route |
| 576 | // (registry.Route.Version), the pinner's only source for a pin's release. |
| 577 | func routeRelease(_ context.Context, h string) (string, error) { |
| 578 | if h != host { |
| 579 | return "", fmt.Errorf("asked for %s's route", h) |
| 580 | } |
| 581 | return "v1.4.2", nil |
| 582 | } |
| 583 | |
| 584 | // R9: the pin's release is the registry route's, read at pinning and |
| 585 | // nowhere else; a reuse carries the stored value; no release refuses. |
| 586 | func TestStorePinnerPinsTheRouteRelease(t *testing.T) { |
| 587 | ctx := context.Background() |
| 588 | at := time.Date(2026, 10, 7, 9, 0, 0, 0, time.UTC) |
| 589 | claims, data := release.NewDirStore(t.TempDir()), release.NewDirStore(t.TempDir()) |
| 590 | putManifest(t, data, "g3", keyed(hostfiles.Manifest{V: hostfiles.ManifestVersion, Seq: 5, Entries: map[string]hostfiles.Entry{}, Platform: map[string]hostfiles.Entry{}})) |
| 591 | var asked []string |
| 592 | route := "v1.4.2" |
| 593 | p := StorePinner{Claims: claims, Data: data, Bucket: "data", Region: "ie", SelectDB: selectAt(41), |
| 594 | Release: func(_ context.Context, h string) (string, error) { asked = append(asked, h); return route, nil }} |
| 595 | // Everything a box or a request could have written says otherwise; the |
| 596 | // pinner never reads any of it. |
| 597 | o := pinClaim() |
| 598 | o.Claim.Op.Journal["install_release"] = "v-box" |
| 599 | o.Claim.Op.Journal["local_install"] = `{"box":"tgt","release":"v-box"}` |
| 600 | o.Claim.Op.Intent = map[string]string{"release": "v-request", "version": "v-request"} |
| 601 | pin, err := p.Pin(ctx, o, at) |
| 602 | if err != nil { |
| 603 | t.Fatal(err) |
| 604 | } |
| 605 | if pin.Release != "v1.4.2" || len(asked) != 1 || asked[0] != host { |
| 606 | t.Fatalf("release %q, route asked for %v", pin.Release, asked) |
| 607 | } |
| 608 | if obj, err := ReadPin(ctx, claims, pin); err != nil || obj.Release != "v1.4.2" { |
| 609 | t.Fatalf("object: %+v %v", obj, err) |
| 610 | } |
| 611 | // A journaled copy whose release is not the object's is refused, though |
| 612 | // the bytes still hash to the digest. |
| 613 | for _, rel := range []string{"v1.5.0", ""} { |
| 614 | forged := pin |
| 615 | forged.Release = rel |
| 616 | if _, err := ReadPin(ctx, claims, forged); !errors.Is(err, ErrRefused) { |
| 617 | t.Fatalf("read a pin whose journaled release %q is not the object's: %v", rel, err) |
| 618 | } |
| 619 | } |
| 620 | // The route moves on; a retry at the same generation reuses the stored |
| 621 | // object, its release included, and does not ask the route again. |
| 622 | route = "v1.5.0" |
| 623 | again, err := p.Pin(ctx, o, at.Add(time.Minute)) |
| 624 | if err != nil || again != pin || again.Release != "v1.4.2" || len(asked) != 1 { |
| 625 | t.Fatalf("reuse: %+v %v asked %v", again, err, asked) |
| 626 | } |
| 627 | // A route with no version, or an unreadable route, refuses before |
| 628 | // anything is written. |
| 629 | for name, rel := range map[string]func(context.Context, string) (string, error){ |
| 630 | "empty": func(context.Context, string) (string, error) { return "", nil }, |
| 631 | "unreadable": func(context.Context, string) (string, error) { return "", errors.New("registry unavailable") }, |
| 632 | } { |
| 633 | t.Run(name, func(t *testing.T) { |
| 634 | claims, data := release.NewDirStore(t.TempDir()), release.NewDirStore(t.TempDir()) |
| 635 | putManifest(t, data, "g3", keyed(hostfiles.Manifest{V: hostfiles.ManifestVersion, Seq: 5, Entries: map[string]hostfiles.Entry{}, Platform: map[string]hostfiles.Entry{}})) |
| 636 | p := StorePinner{Claims: claims, Data: data, Bucket: "data", Region: "ie", SelectDB: selectAt(41), Release: rel} |
| 637 | _, err := p.Pin(ctx, pinClaim(), at) |
| 638 | if err == nil || (name == "empty" && !errors.Is(err, ErrRefused)) { |
| 639 | t.Fatalf("pinned without a release: %v", err) |
| 640 | } |
| 641 | if keys, lerr := claims.List(ctx, "control/"); lerr != nil || len(keys) != 0 { |
| 642 | t.Fatalf("a refused pin wrote %v (%v)", keys, lerr) |
| 643 | } |
| 644 | }) |
| 645 | } |
| 646 | // No route at all is unsupported, as every other missing provider is. |
| 647 | p.Release = nil |
| 648 | if _, err := p.Pin(ctx, o, at); !errors.Is(err, ErrUnsupported) { |
| 649 | t.Fatalf("no release provider: %v", err) |
| 650 | } |
| 651 | // A stored object without a release is not this pinner's: refused. |
| 652 | bare := pinClaim() |
| 653 | bare.Claim.Gen = 20 |
| 654 | if _, err := claims.Put(ctx, PinKey(host, "rel-1", 20), []byte(`{"v":1,"host":"`+host+`","op":"rel-1","claim_gen":20,"empty":"session-0","files":{}}`), ""); err != nil { |
| 655 | t.Fatal(err) |
| 656 | } |
| 657 | p.Release = routeRelease |
| 658 | if _, err := p.Pin(ctx, bare, at); !errors.Is(err, ErrRefused) { |
| 659 | t.Fatalf("a pin object with no release was reused: %v", err) |
| 660 | } |
| 661 | } |
| 662 | |
| 663 | // Absence is never evidence: a pin with no database is an empty bootstrap |
| 664 | // only when the object names its evidence and the journal agrees, and a |
| 665 | // files pin is a host that published no files only when it names neither |
| 666 | // a digest nor a retained copy. An object with neither a database nor |
| 667 | // evidence, one the journal disagrees with about emptiness, or a files pin |
| 668 | // with one of digest and retained copy but not the other, is refused, |
| 669 | // never read as empty. |
| 670 | func TestReadPinNeedsTheEmptyEvidence(t *testing.T) { |
| 671 | ctx := context.Background() |
| 672 | plan := &genselect.Plan{Generation: "g3", MaxTXID: 41} |
| 673 | for _, tc := range []struct { |
| 674 | name string |
| 675 | obj PinObject |
| 676 | empty bool // the journal's copy |
| 677 | ok bool |
| 678 | }{ |
| 679 | {"an evidenced empty bootstrap", PinObject{Empty: "session-0"}, true, true}, |
| 680 | {"a database", PinObject{DB: plan}, false, true}, |
| 681 | {"no database and no evidence", PinObject{}, true, false}, |
| 682 | {"a database and empty evidence", PinObject{DB: plan, Empty: "release"}, false, false}, |
| 683 | {"an empty pin the journal calls a database", PinObject{Empty: "session-0"}, false, false}, |
| 684 | {"a database the journal calls empty", PinObject{DB: plan}, true, false}, |
| 685 | {"a files pin with its digest and retained copy", PinObject{Empty: "session-0", Files: FilesPin{SHA256: strings.Repeat("c", 64), Retained: "control/retained.json"}}, true, true}, |
| 686 | {"a files digest without its retained copy", PinObject{Empty: "session-0", Files: FilesPin{SHA256: strings.Repeat("c", 64)}}, true, false}, |
| 687 | {"a retained copy without its digest", PinObject{Empty: "session-0", Files: FilesPin{Retained: "control/retained.json"}}, true, false}, |
| 688 | } { |
| 689 | t.Run(tc.name, func(t *testing.T) { |
| 690 | claims := release.NewDirStore(t.TempDir()) |
| 691 | obj := tc.obj |
| 692 | obj.V, obj.Host, obj.Op, obj.ClaimGen, obj.Release = 1, host, "rel-1", 12, "v1" |
| 693 | raw, err := json.Marshal(obj) |
| 694 | if err != nil { |
| 695 | t.Fatal(err) |
| 696 | } |
| 697 | key := PinKey(host, "rel-1", 12) |
| 698 | if _, err := claims.Put(ctx, key, raw, ""); err != nil { |
| 699 | t.Fatal(err) |
| 700 | } |
| 701 | ref := pinRef(key, raw, obj) |
| 702 | ref.Empty = tc.empty |
| 703 | _, err = ReadPin(ctx, claims, ref) |
| 704 | if tc.ok && err != nil { |
| 705 | t.Fatalf("an evidenced pin was refused: %v", err) |
| 706 | } |
| 707 | if !tc.ok && !errors.Is(err, ErrRefused) { |
| 708 | t.Fatalf("got %v, want ErrRefused", err) |
| 709 | } |
| 710 | }) |
| 711 | } |
| 712 | } |
| 713 | |
| 714 | // Task 8c fix round 1, M6: the install's rule at pin time. A pinned |
| 715 | // manifest without the env file or without the wake state is no evidence |
| 716 | // that the host has neither (platform items have no tombstone, and a |
| 717 | // failover's manifest carries no wake state), so the pin refuses before |
| 718 | // any build: no pin object, no retained copy. A host that never published |
| 719 | // files still pins empty (TestStorePinnerRefusesAnEmptyFilesPinAfterAWriter). |
| 720 | func TestStorePinnerRefusesAManifestWithoutTheEnvOrWakeState(t *testing.T) { |
| 721 | ctx := context.Background() |
| 722 | at := time.Date(2026, 10, 7, 9, 0, 0, 0, time.UTC) |
| 723 | for _, tc := range []struct { |
| 724 | name string |
| 725 | missing string |
| 726 | want error |
| 727 | }{ |
| 728 | {"both", "", nil}, |
| 729 | {"no env file", hostfiles.EnvItem, ErrFilesUnevidenced}, |
| 730 | {"no wake state", hostfiles.WakeItem, ErrFilesUnevidenced}, |
| 731 | } { |
| 732 | t.Run(tc.name, func(t *testing.T) { |
| 733 | claims, data := release.NewDirStore(t.TempDir()), release.NewDirStore(t.TempDir()) |
| 734 | m := keyed(hostfiles.Manifest{V: hostfiles.ManifestVersion, Seq: 5, Entries: map[string]hostfiles.Entry{}, Platform: map[string]hostfiles.Entry{}}) |
| 735 | delete(m.Platform, tc.missing) |
| 736 | putManifest(t, data, "g3", m) |
| 737 | o := pinClaim() |
| 738 | p := StorePinner{Claims: claims, Data: data, Release: routeRelease, Bucket: "data", Region: "ie", SelectDB: selectAt(41)} |
| 739 | _, err := p.Pin(ctx, o, at) |
| 740 | if !errors.Is(err, tc.want) { |
| 741 | t.Fatalf("got %v, want %v", err, tc.want) |
| 742 | } |
| 743 | if tc.want == nil { |
| 744 | return |
| 745 | } |
| 746 | if _, _, err := claims.Get(ctx, PinKey(host, "rel-1", o.Claim.Gen)); !errors.Is(err, os.ErrNotExist) { |
| 747 | t.Fatalf("a pin object was written: %v", err) |
| 748 | } |
| 749 | if keys, err := claims.List(ctx, ""); err != nil || len(keys) != 0 { |
| 750 | t.Fatalf("the refused pin wrote %v %v", keys, err) |
| 751 | } |
| 752 | }) |
| 753 | } |
| 754 | } |
| 755 | |
| 756 | // Main's home-region parks: an admission moves recorded in the home names |
| 757 | // it park.HomeRegion. The pinner's selection sees the holder through the |
| 758 | // box's home binding (park.HolderRegionView), as main's serving baseline |
| 759 | // does, so that admission is this region's; with no binding the holder is |
| 760 | // read exactly as stored. |
| 761 | func TestStorePinnerSelectsThroughTheHomeBinding(t *testing.T) { |
| 762 | ctx := context.Background() |
| 763 | for _, home := range []string{"ie", ""} { |
| 764 | t.Run("home "+home, func(t *testing.T) { |
| 765 | claims, data := release.NewDirStore(t.TempDir()), release.NewDirStore(t.TempDir()) |
| 766 | putManifest(t, data, "g1", keyed(hostfiles.Manifest{V: hostfiles.ManifestVersion, Seq: 9, Entries: map[string]hostfiles.Entry{}, Platform: map[string]hostfiles.Entry{}})) |
| 767 | var seen []string |
| 768 | p := StorePinner{Claims: claims, Data: data, Release: routeRelease, Bucket: "data", Region: "ie", HomeRegion: home, |
| 769 | SelectDB: func(ctx context.Context, req genselect.Request) (*genselect.Plan, error) { |
| 770 | for _, a := range req.Holder.Admissions { |
| 771 | seen = append(seen, a.Region+"/"+a.PredecessorRegion) |
| 772 | } |
| 773 | return selectAt(41)(ctx, req) |
| 774 | }} |
| 775 | obs := pinClaim() |
| 776 | obs.Claim.Holder.Admissions[1].Region, obs.Claim.Holder.Admissions[1].PredecessorRegion = park.HomeRegion, "uk" |
| 777 | if _, err := p.Pin(ctx, obs, time.Date(2026, 10, 7, 9, 0, 0, 0, time.UTC)); err != nil { |
| 778 | t.Fatal(err) |
| 779 | } |
| 780 | want := "@home/uk" |
| 781 | if home != "" { |
| 782 | want = "ie/uk" |
| 783 | } |
| 784 | if len(seen) != 2 || seen[1] != want { |
| 785 | t.Fatalf("selection saw %v, want second %s", seen, want) |
| 786 | } |
| 787 | if obs.Claim.Holder.Admissions[1].Region != park.HomeRegion { |
| 788 | t.Fatal("the view changed the claim's own holder") |
| 789 | } |
| 790 | }) |
| 791 | } |
| 792 | } |
| 793 | |
amadan