| 1 | import * as Cause from "effect/Cause"; |
| 2 | import type { ConfigError } from "effect/Config"; |
| 3 | import * as Data from "effect/Data"; |
| 4 | import * as Deferred from "effect/Deferred"; |
| 5 | import * as Effect from "effect/Effect"; |
| 6 | import * as Exit from "effect/Exit"; |
| 7 | import * as Option from "effect/Option"; |
| 8 | import * as Predicate from "effect/Predicate"; |
| 9 | import type { PlatformError } from "effect/PlatformError"; |
| 10 | import type { Simplify } from "effect/Types"; |
| 11 | import type { ActionLike } from "./Action.ts"; |
| 12 | import { makeResolveContext } from "./ActionRuntimeContext.ts"; |
| 13 | import { OwnedBySomeoneElse, stripUnowned, Unowned } from "./AdoptPolicy.ts"; |
| 14 | import { AlchemyContext } from "./AlchemyContext.ts"; |
| 15 | import type { AuthError, NeedsReauth } from "./Auth/AuthProvider.ts"; |
| 16 | import { |
| 17 | type CredentialsRequired, |
| 18 | failCredentialsRequired, |
| 19 | demandPlanCredentials, |
| 20 | } from "./Auth/Demand.ts"; |
| 21 | import { RuntimeContext } from "./RuntimeContext.ts"; |
| 22 | import { |
| 23 | Artifacts, |
| 24 | ArtifactStore, |
| 25 | createArtifactStore, |
| 26 | ensureArtifactStore, |
| 27 | makeScopedArtifacts, |
| 28 | } from "./Artifacts.ts"; |
| 29 | import { |
| 30 | type PlanDisplayOptions, |
| 31 | type PlanStatusSession, |
| 32 | type ScopedPlanStatusSession, |
| 33 | Cli, |
| 34 | noopSession, |
| 35 | } from "./Report.ts"; |
| 36 | import type { ApplyStatus } from "./Report.ts"; |
| 37 | import { havePropsChanged, stripUnresolved } from "./Diff.ts"; |
| 38 | import type { Input } from "./Input.ts"; |
| 39 | import { generateInstanceId, InstanceId } from "./InstanceId.ts"; |
| 40 | import * as Output from "./Output.ts"; |
| 41 | import { |
| 42 | type ActionApply, |
| 43 | type Apply, |
| 44 | type Delete, |
| 45 | type Plan, |
| 46 | } from "./Plan.ts"; |
| 47 | import { |
| 48 | findProviderByType, |
| 49 | missingProviderError, |
| 50 | tryFindProviderByType, |
| 51 | } from "./Provider.ts"; |
| 52 | import { stampedMode, type ProviderMode } from "./ProviderMode.ts"; |
| 53 | import type { ResourceBinding } from "./Resource.ts"; |
| 54 | import { Stack } from "./Stack.ts"; |
| 55 | import { Stage } from "./Stage.ts"; |
| 56 | import { |
| 57 | type ActionState, |
| 58 | type CreatedResourceState, |
| 59 | type CreatingResourceState, |
| 60 | type DeletingResourceState, |
| 61 | type PersistedState, |
| 62 | type RanActionState, |
| 63 | type ReplacedResourceState, |
| 64 | type ReplacementOldResourceState, |
| 65 | type ReplacementResourceState, |
| 66 | type ReplacingResourceState, |
| 67 | type ResourceState, |
| 68 | type RunningActionState, |
| 69 | type UpdatedResourceState, |
| 70 | type UpdatingReourceState, |
| 71 | State, |
| 72 | StateStoreError, |
| 73 | } from "./State/index.ts"; |
| 74 | import { type ResourceOp, recordResourceOp } from "./Telemetry/Metrics.ts"; |
| 75 | import { hashInput } from "./Util/sha256.ts"; |
| 76 | |
| 77 | export type AppliedPlan<P extends Plan> = { |
| 78 | [id in keyof P["resources"]]: P["resources"][id] extends |
| 79 | | Delete |
| 80 | | undefined |
| 81 | | never |
| 82 | ? never |
| 83 | : Simplify<P["resources"][id]["resource"]["attr"]>; |
| 84 | }; |
| 85 | |
| 86 | export interface ApplyOptions { |
| 87 | planDisplay?: PlanDisplayOptions; |
| 88 | /** Structured event sink for non-CLI callers. */ |
| 89 | session?: PlanStatusSession; |
| 90 | } |
| 91 | |
| 92 | interface ResourceTracker { |
| 93 | output: any; |
| 94 | props: any; |
| 95 | bindings: ResourceBinding[]; |
| 96 | instanceId: string; |
| 97 | } |
| 98 | |
| 99 | const provideLifecycleScope = |
| 100 | (fqn: string, instanceId: string) => |
| 101 | <A, E, R>(effect: Effect.Effect<A, E, R>) => |
| 102 | Effect.serviceOption(ArtifactStore).pipe( |
| 103 | Effect.map(Option.getOrElse(createArtifactStore)), |
| 104 | Effect.flatMap((store) => |
| 105 | effect.pipe( |
| 106 | failCredentialsRequired(fqn), |
| 107 | Effect.provideService(Artifacts, makeScopedArtifacts(store, fqn)), |
| 108 | Effect.provideService(InstanceId, instanceId), |
| 109 | ), |
| 110 | ), |
| 111 | ); |
| 112 | |
| 113 | /** |
| 114 | * Instruments a single provider lifecycle call with an OTel span |
| 115 | * (`provider.<op>`), the resource counter / duration histogram, and the |
| 116 | * scoped artifacts/instance services normally supplied by |
| 117 | * {@link provideLifecycleScope}. |
| 118 | * |
| 119 | * This is the only call site through which provider lifecycle methods |
| 120 | * are dispatched, so wrapping it here gives us a fully-instrumented |
| 121 | * toolchain without touching any individual provider implementation. |
| 122 | */ |
| 123 | const instrumentLifecycle = |
| 124 | ( |
| 125 | op: ResourceOp, |
| 126 | fqn: string, |
| 127 | resourceType: string, |
| 128 | logicalId: string, |
| 129 | instanceId: string, |
| 130 | ) => |
| 131 | <A, E, R>(effect: Effect.Effect<A, E, R>) => |
| 132 | effect.pipe( |
| 133 | provideLifecycleScope(fqn, instanceId), |
| 134 | recordResourceOp(resourceType, op), |
| 135 | Effect.withSpan(`provider.${op}`, { |
| 136 | attributes: { |
| 137 | "alchemy.resource.fqn": fqn, |
| 138 | "alchemy.resource.type": resourceType, |
| 139 | "alchemy.resource.logical_id": logicalId, |
| 140 | "alchemy.resource.instance_id": instanceId, |
| 141 | "alchemy.resource.op": op, |
| 142 | }, |
| 143 | }), |
| 144 | ); |
| 145 | |
| 146 | export const apply = <P extends Plan>( |
| 147 | plan: P, |
| 148 | options: ApplyOptions = {}, |
| 149 | ): Effect.Effect< |
| 150 | Input.Resolve<P["output"]>, |
| 151 | | Output.InvalidReferenceError |
| 152 | | Output.MissingSourceError |
| 153 | | StateStoreError |
| 154 | | DestroyError |
| 155 | | CredentialsRequired |
| 156 | | AuthError |
| 157 | | NeedsReauth |
| 158 | | PlatformError |
| 159 | | ConfigError, |
| 160 | State | Stack | Stage |
| 161 | > => |
| 162 | Effect.gen(function* () { |
| 163 | // Credential-free dev: a dev-mode plan that needs the real cloud |
| 164 | // (`Alchemy.remote()` rows, remote-proxied bindings, deletions of rows |
| 165 | // stamped `providerMode: "live"`) demands cloud credentials exactly |
| 166 | // once, up front, BEFORE any lifecycle operation runs — a fully-local |
| 167 | // dev plan demands nothing. Non-dev runs never enter the seam: live |
| 168 | // providers keep the pre-existing lazy credential flow. Wired here (not |
| 169 | // in Deploy/Destroy) because `apply` is the single choke point every |
| 170 | // path shares — CLI deploy/destroy, `Test.make` deploys, and |
| 171 | // `test.provider` scratch stacks. See `Auth/Demand.ts`. |
| 172 | const alchemy = yield* Effect.serviceOption(AlchemyContext); |
| 173 | if (Option.isSome(alchemy) && alchemy.value.dev) { |
| 174 | yield* demandPlanCredentials(plan); |
| 175 | } |
| 176 | |
| 177 | // Renderer resolution: an explicit session wins, then the ambient Cli |
| 178 | // renderer service (the bundled CLI, LoggingCli in tests, or a custom |
| 179 | // implementation), else events are dropped. |
| 180 | const session = |
| 181 | options.session ?? |
| 182 | (yield* Effect.serviceOption(Cli).pipe( |
| 183 | Effect.flatMap( |
| 184 | Option.match({ |
| 185 | onNone: () => Effect.succeed(noopSession), |
| 186 | onSome: (cli) => cli.startApplySession(plan, options.planDisplay), |
| 187 | }), |
| 188 | ), |
| 189 | )); |
| 190 | // The nested gen exists so `onExit` can settle the session on every |
| 191 | // exit path without introducing a scope: local dev providers start |
| 192 | // long-running processes in the AMBIENT scope during reconcile, so |
| 193 | // wrapping this body in Effect.scoped would kill them when apply |
| 194 | // returns. |
| 195 | return yield* Effect.gen(function* () { |
| 196 | const state = yield* yield* State; |
| 197 | const stack = yield* Stack; |
| 198 | const stage = yield* Stage; |
| 199 | const stackName = stack.name; |
| 200 | |
| 201 | const tracker: Record<string, ResourceTracker> = {}; |
| 202 | const terminalStatuses = new Map< |
| 203 | string, |
| 204 | { |
| 205 | fqn: string; |
| 206 | id: string; |
| 207 | type: string; |
| 208 | status: Extract< |
| 209 | ApplyStatus, |
| 210 | "created" | "updated" | "adopted" | "ran" | "skipped" |
| 211 | >; |
| 212 | providerMode?: ProviderMode; |
| 213 | } |
| 214 | >(); |
| 215 | |
| 216 | // ── FQN migrations (renamedFrom) ── |
| 217 | // Persist renames before any lifecycle operation runs: a node whose row |
| 218 | // was found under a former FQN carries that row pre-remapped in |
| 219 | // `node.state` (see Plan's rename resolution). Commit it at the current |
| 220 | // FQN FIRST, then drop the former row — in that order, so an |
| 221 | // interruption leaves rows at both FQNs with the same instanceId, which |
| 222 | // the next plan recognizes as an in-flight migration (and never as an |
| 223 | // orphan to delete). |
| 224 | // |
| 225 | // In a same-deploy shift (A→B while B→C), C's former FQN `B` is |
| 226 | // simultaneously B's migration TARGET. C must NOT delete it: B's own |
| 227 | // `state.set` supersedes the stale copy, and the migrations run |
| 228 | // concurrently — the delete could land after B's write and destroy the |
| 229 | // freshly migrated row. |
| 230 | const migrationTargets = new Set( |
| 231 | Object.values(plan.resources) |
| 232 | .filter( |
| 233 | (node) => node.renamedFrom?.length && node.state !== undefined, |
| 234 | ) |
| 235 | .map((node) => node.resource.FQN), |
| 236 | ); |
| 237 | yield* Effect.forEach( |
| 238 | Object.values(plan.resources), |
| 239 | (node) => { |
| 240 | const { renamedFrom, state: row } = node; |
| 241 | return renamedFrom === undefined || |
| 242 | renamedFrom.length === 0 || |
| 243 | row === undefined |
| 244 | ? Effect.void |
| 245 | : Effect.gen(function* () { |
| 246 | yield* state.set({ |
| 247 | stack: stackName, |
| 248 | stage, |
| 249 | fqn: node.resource.FQN, |
| 250 | value: row, |
| 251 | }); |
| 252 | yield* Effect.forEach( |
| 253 | renamedFrom.filter( |
| 254 | (formerFqn) => !migrationTargets.has(formerFqn), |
| 255 | ), |
| 256 | (formerFqn) => |
| 257 | state.delete({ stack: stackName, stage, fqn: formerFqn }), |
| 258 | { concurrency: "unbounded" }, |
| 259 | ); |
| 260 | }); |
| 261 | }, |
| 262 | { concurrency: "unbounded" }, |
| 263 | ); |
| 264 | |
| 265 | yield* executePlan( |
| 266 | plan, |
| 267 | tracker, |
| 268 | terminalStatuses, |
| 269 | session, |
| 270 | state, |
| 271 | stackName, |
| 272 | stage, |
| 273 | ); |
| 274 | |
| 275 | // TODO(sam): support roll back to previous state if errors occur during expansion |
| 276 | // -> RISK: some UPDATEs may not be reversible (i.e. trigger replacements) |
| 277 | // TODO(sam): should pivot be done separately? E.g shift traffic? |
| 278 | |
| 279 | yield* collectGarbage(plan, session); |
| 280 | |
| 281 | yield* converge( |
| 282 | plan, |
| 283 | tracker, |
| 284 | terminalStatuses, |
| 285 | session, |
| 286 | state, |
| 287 | stackName, |
| 288 | stage, |
| 289 | ); |
| 290 | |
| 291 | yield* Effect.forEach( |
| 292 | Array.from(terminalStatuses.values()), |
| 293 | ({ fqn, id, type, status, providerMode }) => |
| 294 | session.emit({ |
| 295 | _tag: "apply.resource.status", |
| 296 | fqn, |
| 297 | id, |
| 298 | type, |
| 299 | status, |
| 300 | providerMode, |
| 301 | }), |
| 302 | { concurrency: "unbounded" }, |
| 303 | ); |
| 304 | |
| 305 | if (plan.destroy) { |
| 306 | // The destroy converged: every resource row was deleted above. Drop |
| 307 | // the rest of the stage's persisted state — notably the stack output |
| 308 | // record written by the last deploy — so `getOutput` returns |
| 309 | // undefined and `listStages` no longer reports the stage. |
| 310 | // https://github.com/alchemy-run/alchemy/issues/961 |
| 311 | yield* state.deleteStack({ stack: stackName, stage }); |
| 312 | // Invariant: a successful destroy leaves the stage EMPTY. If rows |
| 313 | // survive, this destroy session could not actually see (or delete) |
| 314 | // the stack's state — e.g. its plan listed an empty store while |
| 315 | // committed rows existed — and reporting success here would silently |
| 316 | // leak every cloud resource those rows track. Fail loudly instead so |
| 317 | // the leak surfaces in the run that caused it. |
| 318 | const remaining = yield* state.list({ stack: stackName, stage }); |
| 319 | if (remaining.length > 0) { |
| 320 | return yield* Effect.fail( |
| 321 | new StateStoreError({ |
| 322 | message: |
| 323 | `destroy of ${stackName}/${stage} reported success but ${remaining.length} ` + |
| 324 | `state row(s) remain (${remaining.join(", ")}) — the destroy session could ` + |
| 325 | `not see the stack's persisted state, so its cloud resources were NOT deleted`, |
| 326 | }), |
| 327 | ); |
| 328 | } |
| 329 | return undefined; |
| 330 | } |
| 331 | |
| 332 | if (plan.selectedFqns !== undefined || !plan.output) { |
| 333 | return undefined; |
| 334 | } |
| 335 | |
| 336 | const outputs = Object.fromEntries( |
| 337 | Object.entries(tracker).map(([fqn, t]) => [fqn, t.output]), |
| 338 | ); |
| 339 | const resolved = yield* Output.evaluate(plan.output, outputs); |
| 340 | |
| 341 | // Persist the stack's evaluated outputs so cross-stack references |
| 342 | // (`yield* OtherStack` / `OtherStack.stage.<name>` / `Output.stackRef`) |
| 343 | // can read them back out of the state store. |
| 344 | yield* state.setOutput({ stack: stackName, stage, value: resolved }); |
| 345 | |
| 346 | return resolved; |
| 347 | }).pipe( |
| 348 | Effect.onExit((exit) => |
| 349 | session.done(Exit.isSuccess(exit) ? "success" : "failure"), |
| 350 | ), |
| 351 | ); |
| 352 | }).pipe( |
| 353 | ensureArtifactStore, |
| 354 | Effect.withSpan("apply", { |
| 355 | attributes: { |
| 356 | "alchemy.resources.count": Object.keys(plan.resources).length, |
| 357 | "alchemy.deletions.count": Object.keys(plan.deletions).length, |
| 358 | }, |
| 359 | }), |
| 360 | ); |
| 361 | |
| 362 | // ── Phase 1: concurrent initial execution ────────────────────────────────── |
| 363 | // |
| 364 | // Each resource gets a Deferred<void> that signals "I have some output |
| 365 | // available in `tracker`." Resources with `precreate` signal early so that |
| 366 | // downstream resources can resolve stable identifiers without deadlocking. |
| 367 | // The actual output lives in the mutable `tracker` map, not in the Deferred. |
| 368 | |
| 369 | const executePlan = Effect.fn(function* ( |
| 370 | plan: Plan, |
| 371 | tracker: Record<string, ResourceTracker>, |
| 372 | terminalStatuses: Map< |
| 373 | string, |
| 374 | { |
| 375 | fqn: string; |
| 376 | id: string; |
| 377 | type: string; |
| 378 | status: Extract< |
| 379 | ApplyStatus, |
| 380 | "created" | "updated" | "adopted" | "ran" | "skipped" |
| 381 | >; |
| 382 | providerMode?: ProviderMode; |
| 383 | } |
| 384 | >, |
| 385 | session: PlanStatusSession, |
| 386 | state: { |
| 387 | set: <V extends PersistedState>(req: { |
| 388 | stack: string; |
| 389 | stage: string; |
| 390 | fqn: string; |
| 391 | value: V; |
| 392 | }) => Effect.Effect<V, StateStoreError, never>; |
| 393 | }, |
| 394 | stackName: string, |
| 395 | stage: string, |
| 396 | ) { |
| 397 | // Resources and tasks share the same FQN namespace and DAG, so the |
| 398 | // scheduler tracks them together. Each entry gets a single Deferred that |
| 399 | // signals "my output is available in `tracker`." |
| 400 | const allNodes: Record<string, Apply | ActionApply> = { |
| 401 | ...plan.resources, |
| 402 | ...plan.actions, |
| 403 | }; |
| 404 | |
| 405 | const ready = Object.fromEntries( |
| 406 | yield* Effect.all( |
| 407 | Object.keys(allNodes).map((fqn) => |
| 408 | Effect.map(Deferred.make<void>(), (d) => [fqn, d] as const), |
| 409 | ), |
| 410 | ), |
| 411 | ) as Record<string, Deferred.Deferred<void>>; |
| 412 | |
| 413 | // `readyStable` fires only when a node has reached its TERMINAL output — |
| 414 | // resources after `reconcile`, tasks after the body completes. Resource |
| 415 | // precreate stubs do NOT signal `readyStable`, so any consumer that |
| 416 | // requires stable inputs (e.g. Tasks) waits past the precreate phase. |
| 417 | const readyStable = Object.fromEntries( |
| 418 | yield* Effect.all( |
| 419 | Object.keys(allNodes).map((fqn) => |
| 420 | Effect.map(Deferred.make<void>(), (d) => [fqn, d] as const), |
| 421 | ), |
| 422 | ), |
| 423 | ) as Record<string, Deferred.Deferred<void>>; |
| 424 | |
| 425 | const getOutputs = (): Record<string, any> => |
| 426 | Object.fromEntries( |
| 427 | Object.entries(tracker).map(([fqn, t]) => [fqn, t.output]), |
| 428 | ); |
| 429 | |
| 430 | const waitForDeps = (downstreamFqn: string, fqns: string[]) => |
| 431 | Effect.all( |
| 432 | fqns |
| 433 | .filter((fqn) => fqn in ready) |
| 434 | .map((fqn) => |
| 435 | // Non-cycle upstreams must be observed at their TERMINAL output |
| 436 | // (`readyStable`), not their early precreate signal (`ready`). This |
| 437 | // is what makes a failed upstream actually interrupt its downstream: |
| 438 | // a resource with `precreate` resolves `ready` before its real |
| 439 | // `reconcile` runs, so a downstream waiting on `ready` would proceed |
| 440 | // (and even finish) even though the upstream's reconcile later |
| 441 | // failed. Waiting on `readyStable` means the downstream's |
| 442 | // `waitForDeps` short-circuits with the upstream's failure cause. |
| 443 | // |
| 444 | // Cycle members are the exception: peers in an SCC depend on each |
| 445 | // other, so they must rendezvous on the early `ready`/precreate |
| 446 | // signal to break the deadlock. Phase 3 (`converge`) re-runs them |
| 447 | // against final outputs once the cycle settles. A downstream |
| 448 | // outside the cycle must still wait for reconcile: e.g. a queue |
| 449 | // consumer cannot attach to a Worker's fetch-only precreate stub. |
| 450 | plan.cycleMembers.has(downstreamFqn) && plan.cycleMembers.has(fqn) |
| 451 | ? Deferred.await(ready[fqn]) |
| 452 | : Deferred.await(readyStable[fqn]), |
| 453 | ), |
| 454 | { concurrency: "unbounded" }, |
| 455 | ); |
| 456 | |
| 457 | const waitForStableDeps = (fqns: string[]) => |
| 458 | Effect.all( |
| 459 | fqns |
| 460 | .filter((fqn) => fqn in readyStable) |
| 461 | .map((fqn) => Deferred.await(readyStable[fqn])), |
| 462 | { concurrency: "unbounded" }, |
| 463 | ); |
| 464 | |
| 465 | const failures: LifecycleFailure[] = []; |
| 466 | |
| 467 | yield* Effect.all( |
| 468 | Object.entries(allNodes).map(([fqn, node]) => |
| 469 | (node as ActionApply).kind === "action" |
| 470 | ? executeActionNode( |
| 471 | fqn, |
| 472 | node as ActionApply, |
| 473 | tracker, |
| 474 | ready, |
| 475 | readyStable, |
| 476 | terminalStatuses, |
| 477 | session, |
| 478 | state, |
| 479 | stackName, |
| 480 | stage, |
| 481 | getOutputs, |
| 482 | waitForStableDeps, |
| 483 | failures, |
| 484 | ) |
| 485 | : executeNode( |
| 486 | fqn, |
| 487 | node as Apply, |
| 488 | tracker, |
| 489 | ready, |
| 490 | readyStable, |
| 491 | terminalStatuses as any, |
| 492 | session, |
| 493 | state, |
| 494 | stackName, |
| 495 | stage, |
| 496 | getOutputs, |
| 497 | (fqns) => waitForDeps(fqn, fqns), |
| 498 | failures, |
| 499 | plan.cycleMembers.has(fqn), |
| 500 | ), |
| 501 | ), |
| 502 | { concurrency: "unbounded" }, |
| 503 | ); |
| 504 | |
| 505 | if (failures.length > 0) { |
| 506 | // Aggregate every collected lifecycle failure into a single parallel Cause |
| 507 | // so the apply ends with one combined error containing every distinct |
| 508 | // failure / defect that occurred across the concurrent fibers. |
| 509 | return yield* Effect.failCause( |
| 510 | failures.map((f) => f.cause).reduce(Cause.combine), |
| 511 | ); |
| 512 | } |
| 513 | }); |
| 514 | |
| 515 | interface LifecycleFailure { |
| 516 | fqn: string; |
| 517 | logicalId: string; |
| 518 | type: string; |
| 519 | cause: Cause.Cause<unknown>; |
| 520 | } |
| 521 | |
| 522 | /** |
| 523 | * First human-readable line of a lifecycle failure, for the per-resource |
| 524 | * `fail` status event. The full cause is still aggregated and raised when |
| 525 | * the whole apply settles — this exists so a failed row explains itself the |
| 526 | * moment it fails instead of only after every sibling has finished. |
| 527 | * `undefined` for interrupt-only causes (nothing failed, the run was |
| 528 | * cancelled). |
| 529 | */ |
| 530 | const failureMessage = (cause: Cause.Cause<unknown>): string | undefined => { |
| 531 | for (const reason of cause.reasons) { |
| 532 | const error = Cause.isFailReason(reason) |
| 533 | ? reason.error |
| 534 | : Cause.isDieReason(reason) |
| 535 | ? reason.defect |
| 536 | : undefined; |
| 537 | if (error === undefined) continue; |
| 538 | const tag = |
| 539 | Predicate.hasProperty(error, "_tag") && typeof error._tag === "string" |
| 540 | ? error._tag |
| 541 | : undefined; |
| 542 | const message = |
| 543 | Predicate.hasProperty(error, "message") && |
| 544 | typeof error.message === "string" |
| 545 | ? error.message |
| 546 | : String(error); |
| 547 | const line = message.split("\n", 1)[0]!; |
| 548 | return tag !== undefined && !line.includes(tag) ? `${tag}: ${line}` : line; |
| 549 | } |
| 550 | return undefined; |
| 551 | }; |
| 552 | |
| 553 | const executeNode = ( |
| 554 | fqn: string, |
| 555 | node: Apply, |
| 556 | tracker: Record<string, ResourceTracker>, |
| 557 | ready: Record<string, Deferred.Deferred<void>>, |
| 558 | readyStable: Record<string, Deferred.Deferred<void>>, |
| 559 | terminalStatuses: Map< |
| 560 | string, |
| 561 | { |
| 562 | fqn: string; |
| 563 | id: string; |
| 564 | type: string; |
| 565 | status: Extract<ApplyStatus, "created" | "updated" | "adopted">; |
| 566 | providerMode?: ProviderMode; |
| 567 | } |
| 568 | >, |
| 569 | session: PlanStatusSession, |
| 570 | state: { |
| 571 | set: <V extends ResourceState>(req: { |
| 572 | stack: string; |
| 573 | stage: string; |
| 574 | fqn: string; |
| 575 | value: V; |
| 576 | }) => Effect.Effect<V, StateStoreError, never>; |
| 577 | }, |
| 578 | stackName: string, |
| 579 | stage: string, |
| 580 | getOutputs: () => Record<string, any>, |
| 581 | waitForDeps: (fqns: string[]) => Effect.Effect<void[], never, never>, |
| 582 | failures: LifecycleFailure[], |
| 583 | inCycle: boolean, |
| 584 | ): Effect.Effect<void, never, never> => |
| 585 | Effect.gen(function* () { |
| 586 | const logicalId = node.resource.LogicalId; |
| 587 | const namespace = node.resource.Namespace; |
| 588 | |
| 589 | const commit = <S extends ResourceState>(value: Omit<S, "namespace">) => |
| 590 | state.set({ |
| 591 | stack: stackName, |
| 592 | stage, |
| 593 | fqn, |
| 594 | // Early commits (`creating`/`replacing`) persist plan props that may |
| 595 | // still hold unresolved Output exprs; strip them so state stores only |
| 596 | // plain data (see stripUnresolved in Diff.ts). |
| 597 | // |
| 598 | // Binding rows follow the same rule. Even the RESOLVED binding |
| 599 | // payload can carry Effect leaves — a tagged Worker/Function class in |
| 600 | // `env` (the circular-bindings pattern) is a function-typed Effect |
| 601 | // that `Output.evaluate` passes through untouched. A JSON state store |
| 602 | // would persist it via its `toJSON` as an `{"_id":"Effect",...}` |
| 603 | // relic, which the next plan's `diffBindings` compares against the |
| 604 | // live class stripped to `undefined` — a phantom binding "update" on |
| 605 | // every deploy, forever. Stripping at the commit boundary keeps both |
| 606 | // store kinds consistent with the comparison in `havePropsChanged`. |
| 607 | value: { |
| 608 | ...value, |
| 609 | adoptionBlocked: value.adoptionBlocked ?? node.adoptionBlocked, |
| 610 | props: stripUnresolved(value.props), |
| 611 | bindings: stripUnresolved(value.bindings), |
| 612 | namespace, |
| 613 | } as S, |
| 614 | }); |
| 615 | |
| 616 | const scopedSession = { |
| 617 | ...session, |
| 618 | note: (note, options?) => |
| 619 | session.emit({ |
| 620 | fqn, |
| 621 | id: logicalId, |
| 622 | _tag: "apply.resource.note", |
| 623 | message: note, |
| 624 | kind: options?.kind, |
| 625 | }), |
| 626 | } satisfies ScopedPlanStatusSession; |
| 627 | |
| 628 | // On a mode-switch replacement (local ⇄ live) surface the transition: |
| 629 | // the old generation's stamped mode → the mode resolved for this run. |
| 630 | const fromProviderMode = |
| 631 | node.action === "replace" && |
| 632 | node.mode !== undefined && |
| 633 | node.state.providerMode !== undefined && |
| 634 | node.state.providerMode !== node.mode |
| 635 | ? node.state.providerMode |
| 636 | : undefined; |
| 637 | |
| 638 | const report = (status: ApplyStatus) => |
| 639 | session.emit({ |
| 640 | _tag: "apply.resource.status", |
| 641 | fqn, |
| 642 | id: logicalId, |
| 643 | type: node.resource.Type, |
| 644 | status, |
| 645 | providerMode: node.mode, |
| 646 | fromProviderMode, |
| 647 | }); |
| 648 | |
| 649 | const markTerminal = (status: "created" | "updated") => |
| 650 | Effect.gen(function* () { |
| 651 | terminalStatuses.set(fqn, { |
| 652 | fqn, |
| 653 | id: logicalId, |
| 654 | type: node.resource.Type, |
| 655 | status, |
| 656 | providerMode: node.mode, |
| 657 | }); |
| 658 | // A local dev instance announces where it's serving: any |
| 659 | // local-mode row whose fresh Attributes carry a string `url` |
| 660 | // (Workers expose their dev-proxy URL this way) gets a |
| 661 | // `[id] ready at http://localhost:1337` line. |
| 662 | if (node.mode === "local") { |
| 663 | const url = (tracker[fqn]?.output as { url?: unknown })?.url; |
| 664 | if (typeof url === "string" && url.length > 0) { |
| 665 | yield* scopedSession.note(`ready at ${url}`); |
| 666 | } |
| 667 | } |
| 668 | // Emit immediately so the CLI surfaces the terminal status as soon |
| 669 | // as the resource is actually done — instead of batching every |
| 670 | // resource's "created"/"updated" event to the end of apply(), which |
| 671 | // makes long-running siblings appear stuck in "creating" until the |
| 672 | // entire deploy finishes. |
| 673 | // |
| 674 | // Cycle members are exempt: their initial pass produces an |
| 675 | // intermediate result that Phase 3 (`converge`) will overwrite once |
| 676 | // the SCC reaches a fixed point. Emitting "created"/"updated" here |
| 677 | // would surface that intermediate state to the CLI before the real |
| 678 | // terminal status is known. Their final status is flushed from |
| 679 | // `terminalStatuses` after `converge` completes. |
| 680 | if (inCycle) return; |
| 681 | yield* session.emit({ |
| 682 | _tag: "apply.resource.status", |
| 683 | fqn, |
| 684 | id: logicalId, |
| 685 | type: node.resource.Type, |
| 686 | status, |
| 687 | providerMode: node.mode, |
| 688 | }); |
| 689 | }); |
| 690 | |
| 691 | const signalReady = Deferred.succeed(ready[fqn], void 0); |
| 692 | // Signal only after reconcile completes — never during precreate. Tasks |
| 693 | // (and any other consumer that calls `waitForStableDeps`) block on this |
| 694 | // so they observe the resource's final attrs rather than a stub. |
| 695 | const signalReadyStable = Deferred.succeed(readyStable[fqn], void 0); |
| 696 | |
| 697 | const storeAndSignal = (t: ResourceTracker) => |
| 698 | Effect.gen(function* () { |
| 699 | tracker[fqn] = t; |
| 700 | yield* signalReady; |
| 701 | }); |
| 702 | |
| 703 | // ── noop ── |
| 704 | |
| 705 | if (node.action === "noop") { |
| 706 | // No work to do on the cloud resource — the persisted attr is already |
| 707 | // stable. Two pieces of row METADATA can still have drifted from the |
| 708 | // declaration, and this is the only pass that will ever see them: |
| 709 | // |
| 710 | // 1. `resourceType` — the row was persisted under a legacy type name |
| 711 | // (the type was since renamed and carries the old name as an |
| 712 | // alias); migrate it so the state stops depending on the alias. |
| 713 | // 2. `removalPolicy` — `RemovalPolicy.retain()` / `.destroy()` is a |
| 714 | // decoration on the declaration, not a prop, so changing it never |
| 715 | // produces a diff. Without this commit the new policy would never |
| 716 | // reach state, and the orphan delete (which reads the policy from |
| 717 | // the persisted row, see `Plan.ts`'s delete node) would act on the |
| 718 | // stale one — destroying a resource the user had marked `retain`. |
| 719 | // See https://github.com/alchemy-run/alchemy/issues/1248. |
| 720 | // 3. `downstream` — a dependent that repins from resource A to B |
| 721 | // (e.g. a HostnameAssociation switching certificates) updates |
| 722 | // *itself*, while A and B are both noops. Delete ordering reads the |
| 723 | // persisted `downstream` of the resource being deleted, so without |
| 724 | // this commit a later destroy deletes B concurrently with the |
| 725 | // dependent that still references it (and needlessly waits on A). |
| 726 | const policyChanged = |
| 727 | node.state.removalPolicy !== node.resource.RemovalPolicy; |
| 728 | const downstreamChanged = !sameSet( |
| 729 | node.state.downstream ?? [], |
| 730 | node.downstream, |
| 731 | ); |
| 732 | if ( |
| 733 | node.state.resourceType !== node.resource.Type || |
| 734 | policyChanged || |
| 735 | downstreamChanged |
| 736 | ) { |
| 737 | yield* commit({ |
| 738 | ...node.state, |
| 739 | resourceType: node.resource.Type, |
| 740 | removalPolicy: node.resource.RemovalPolicy, |
| 741 | downstream: node.downstream, |
| 742 | }); |
| 743 | } |
| 744 | // A policy flip is otherwise invisible (the row is a noop), and it is |
| 745 | // exactly the change a user wants confirmation of. Legacy rows with no |
| 746 | // persisted policy normalize silently — there is nothing to report. |
| 747 | if (policyChanged && node.state.removalPolicy !== undefined) { |
| 748 | yield* scopedSession.note( |
| 749 | `removal policy ${node.state.removalPolicy} → ${node.resource.RemovalPolicy}`, |
| 750 | ); |
| 751 | } |
| 752 | yield* storeAndSignal({ |
| 753 | output: node.state.attr, |
| 754 | props: node.state.props, |
| 755 | bindings: node.state.bindings ?? [], |
| 756 | instanceId: node.state.instanceId, |
| 757 | }); |
| 758 | yield* signalReadyStable; |
| 759 | return; |
| 760 | } |
| 761 | |
| 762 | const allUpstreamFqns = () => { |
| 763 | const propDeps = Object.keys(Output.resolveUpstream(node.props)); |
| 764 | const bindingDeps = Object.keys(Output.resolveUpstream(node.bindings)); |
| 765 | return [...new Set([...propDeps, ...bindingDeps])]; |
| 766 | }; |
| 767 | |
| 768 | // ── instance ID ── |
| 769 | |
| 770 | const instanceId = yield* Effect.gen(function* () { |
| 771 | if (node.action === "create" && !node.state?.instanceId) { |
| 772 | const id = yield* generateInstanceId(); |
| 773 | yield* commit<CreatingResourceState>({ |
| 774 | status: "creating", |
| 775 | fqn, |
| 776 | logicalId, |
| 777 | instanceId: id, |
| 778 | downstream: node.downstream, |
| 779 | props: node.props, |
| 780 | providerVersion: node.provider.version ?? 0, |
| 781 | resourceType: node.resource.Type, |
| 782 | bindings: excludeDeletedBindings(node.bindings), |
| 783 | removalPolicy: node.resource.RemovalPolicy, |
| 784 | providerMode: node.mode, |
| 785 | adoptionBlocked: node.adoptionBlocked, |
| 786 | }); |
| 787 | return id; |
| 788 | } else if (node.action === "replace") { |
| 789 | if ( |
| 790 | (node.state.status === "replaced" || |
| 791 | node.state.status === "replacing") && |
| 792 | !node.restart |
| 793 | ) { |
| 794 | // Ordinary replacement recovery keeps using the same replacement |
| 795 | // generation. Only `restart` is allowed to mint a new instance id. |
| 796 | return node.state.instanceId; |
| 797 | } |
| 798 | const id = yield* generateInstanceId(); |
| 799 | yield* commit<ReplacingResourceState>({ |
| 800 | status: "replacing", |
| 801 | fqn, |
| 802 | logicalId, |
| 803 | instanceId: id, |
| 804 | downstream: node.downstream, |
| 805 | props: node.props, |
| 806 | providerVersion: node.provider.version ?? 0, |
| 807 | resourceType: node.resource.Type, |
| 808 | bindings: excludeDeletedBindings(node.bindings), |
| 809 | old: node.state, |
| 810 | deleteFirst: node.deleteFirst, |
| 811 | removalPolicy: node.resource.RemovalPolicy, |
| 812 | providerMode: node.mode, |
| 813 | }); |
| 814 | return id; |
| 815 | } else if (node.state?.instanceId) { |
| 816 | return node.state.instanceId; |
| 817 | } |
| 818 | return yield* Effect.die( |
| 819 | `Instance ID not found for resource '${logicalId}' and action is '${node.action}'`, |
| 820 | ); |
| 821 | }); |
| 822 | |
| 823 | // ── lifecycle ── |
| 824 | |
| 825 | yield* Effect.gen(function* () { |
| 826 | // ── create ── |
| 827 | if (node.action === "create") { |
| 828 | if (!node.state) { |
| 829 | // First persistence point for a brand new logical resource. Once this is |
| 830 | // written, retries know they should resume creation instead of planning |
| 831 | // another fresh create from scratch. |
| 832 | yield* commit<CreatingResourceState>({ |
| 833 | status: "creating", |
| 834 | fqn, |
| 835 | logicalId, |
| 836 | instanceId, |
| 837 | resourceType: node.resource.Type, |
| 838 | props: node.props, |
| 839 | attr: undefined, |
| 840 | providerVersion: node.provider.version ?? 0, |
| 841 | bindings: excludeDeletedBindings(node.bindings), |
| 842 | downstream: node.downstream, |
| 843 | removalPolicy: node.resource.RemovalPolicy, |
| 844 | providerMode: node.mode, |
| 845 | adoptionBlocked: node.adoptionBlocked, |
| 846 | }); |
| 847 | } |
| 848 | |
| 849 | let attr: any = node.state?.attr; |
| 850 | |
| 851 | if (attr !== undefined) { |
| 852 | // Precreate/read may already have produced a usable output snapshot. Publish |
| 853 | // it early so downstream resources can start resolving against it. |
| 854 | yield* storeAndSignal({ |
| 855 | output: attr, |
| 856 | props: {}, |
| 857 | bindings: [], |
| 858 | instanceId, |
| 859 | }); |
| 860 | } |
| 861 | |
| 862 | if (node.provider.precreate && attr === undefined) { |
| 863 | // Some resources need a placeholder physical resource before their real |
| 864 | // create can finish. Persist that stub so downstream evaluation can proceed. |
| 865 | yield* report("pre-creating"); |
| 866 | attr = yield* node.provider |
| 867 | .precreate({ |
| 868 | id: logicalId, |
| 869 | fqn, |
| 870 | news: node.props, |
| 871 | session: scopedSession, |
| 872 | instanceId, |
| 873 | bindings: excludeDeletedBindings(node.bindings), |
| 874 | }) |
| 875 | .pipe( |
| 876 | instrumentLifecycle( |
| 877 | "precreate", |
| 878 | fqn, |
| 879 | node.resource.Type, |
| 880 | logicalId, |
| 881 | instanceId, |
| 882 | ), |
| 883 | ); |
| 884 | yield* commit<CreatingResourceState>({ |
| 885 | status: "creating", |
| 886 | fqn, |
| 887 | logicalId, |
| 888 | instanceId, |
| 889 | resourceType: node.resource.Type, |
| 890 | props: node.props, |
| 891 | attr, |
| 892 | providerVersion: node.provider.version ?? 0, |
| 893 | bindings: excludeDeletedBindings(node.bindings), |
| 894 | downstream: node.downstream, |
| 895 | removalPolicy: node.resource.RemovalPolicy, |
| 896 | providerMode: node.mode, |
| 897 | adoptionBlocked: node.adoptionBlocked, |
| 898 | }); |
| 899 | yield* storeAndSignal({ |
| 900 | output: attr, |
| 901 | props: {}, |
| 902 | bindings: [], |
| 903 | instanceId, |
| 904 | }); |
| 905 | } |
| 906 | |
| 907 | // While we're waiting on upstream outputs the resource isn't actually |
| 908 | // creating anything yet — surface that as "pending" so the CLI doesn't |
| 909 | // look stuck in "creating" for slow-upstream deploys. |
| 910 | yield* report("pending"); |
| 911 | |
| 912 | // Create runs against fully resolved upstream outputs and bindings, not the |
| 913 | // raw Output expressions stored in the plan. |
| 914 | yield* waitForDeps(allUpstreamFqns()); |
| 915 | |
| 916 | yield* report("creating"); |
| 917 | const outputs = getOutputs(); |
| 918 | |
| 919 | const news = (yield* Output.evaluate(node.props, outputs)) as Record< |
| 920 | string, |
| 921 | any |
| 922 | >; |
| 923 | |
| 924 | const bindingOutputs = excludeDeletedBindings( |
| 925 | yield* Output.evaluate(node.bindings, outputs), |
| 926 | ); |
| 927 | |
| 928 | if (attr === undefined && node.deferredAdoption && node.provider.read) { |
| 929 | const checkpoint = () => |
| 930 | commit<CreatingResourceState>({ |
| 931 | status: "creating", |
| 932 | fqn, |
| 933 | logicalId, |
| 934 | instanceId, |
| 935 | resourceType: node.resource.Type, |
| 936 | props: news, |
| 937 | attr, |
| 938 | providerVersion: node.provider.version ?? 0, |
| 939 | bindings: bindingOutputs, |
| 940 | downstream: node.downstream, |
| 941 | removalPolicy: node.resource.RemovalPolicy, |
| 942 | providerMode: node.mode, |
| 943 | adoptionBlocked: node.adoptionBlocked, |
| 944 | }); |
| 945 | // Refusal or interruption must retain identity, never foreign attributes. |
| 946 | yield* checkpoint(); |
| 947 | const observed = yield* node.provider |
| 948 | .read({ |
| 949 | id: logicalId, |
| 950 | fqn, |
| 951 | instanceId, |
| 952 | olds: news, |
| 953 | output: undefined, |
| 954 | }) |
| 955 | .pipe( |
| 956 | instrumentLifecycle( |
| 957 | "read", |
| 958 | fqn, |
| 959 | node.resource.Type, |
| 960 | logicalId, |
| 961 | instanceId, |
| 962 | ), |
| 963 | ); |
| 964 | if (observed !== undefined) { |
| 965 | if (Unowned.is(observed) && !node.deferredAdoption.adopt) { |
| 966 | return yield* new OwnedBySomeoneElse({ |
| 967 | message: |
| 968 | `Cannot adopt resource '${fqn}' (${node.resource.Type}): ` + |
| 969 | "it exists in the cloud but is not owned by this " + |
| 970 | "stack/stage/logical-id. Re-run with `--adopt` (or " + |
| 971 | "wrap the effect in `adopt(true)`) to take it over.", |
| 972 | resourceType: node.resource.Type, |
| 973 | logicalId, |
| 974 | }); |
| 975 | } |
| 976 | attr = stripUnowned(observed); |
| 977 | // A creating checkpoint retains olds: undefined on retry. |
| 978 | yield* checkpoint(); |
| 979 | } |
| 980 | } |
| 981 | |
| 982 | attr = yield* node.provider |
| 983 | .reconcile({ |
| 984 | id: logicalId, |
| 985 | fqn, |
| 986 | news, |
| 987 | instanceId, |
| 988 | bindings: bindingOutputs, |
| 989 | session: scopedSession, |
| 990 | olds: undefined, |
| 991 | output: attr, |
| 992 | }) |
| 993 | .pipe( |
| 994 | instrumentLifecycle( |
| 995 | "create", |
| 996 | fqn, |
| 997 | node.resource.Type, |
| 998 | logicalId, |
| 999 | instanceId, |
| 1000 | ), |
| 1001 | ); |
| 1002 | |
| 1003 | yield* commit<CreatedResourceState>({ |
| 1004 | status: "created", |
| 1005 | fqn, |
| 1006 | logicalId, |
| 1007 | instanceId, |
| 1008 | resourceType: node.resource.Type, |
| 1009 | props: news, |
| 1010 | attr, |
| 1011 | // Terminal commits persist the RESOLVED binding payload the |
| 1012 | // provider actually reconciled with, not the raw plan-time |
| 1013 | // expressions. Raw `node.bindings` may hold unresolved Outputs |
| 1014 | // (silently dropped by JSON state stores), so persisting them |
| 1015 | // makes the next plan's `diffBindings` compare a lossy stored |
| 1016 | // shape against fully-resolved data — a phantom binding update |
| 1017 | // on every plan (#874). |
| 1018 | bindings: bindingOutputs, |
| 1019 | providerVersion: node.provider.version ?? 0, |
| 1020 | downstream: node.downstream, |
| 1021 | removalPolicy: node.resource.RemovalPolicy, |
| 1022 | providerMode: node.mode, |
| 1023 | }); |
| 1024 | |
| 1025 | tracker[fqn] = { |
| 1026 | output: attr, |
| 1027 | props: news, |
| 1028 | bindings: bindingOutputs, |
| 1029 | instanceId, |
| 1030 | }; |
| 1031 | yield* signalReady; |
| 1032 | yield* signalReadyStable; |
| 1033 | |
| 1034 | yield* markTerminal("created"); |
| 1035 | return; |
| 1036 | } |
| 1037 | |
| 1038 | // ── update ── |
| 1039 | if (node.action === "update" || node.action === "adopted") { |
| 1040 | // Cycle members publish their previous live attr *before* waiting on |
| 1041 | // upstreams so the SCC can converge — peers in the cycle would |
| 1042 | // otherwise deadlock waiting on each other. Phase 3 (`converge`) |
| 1043 | // re-runs each peer's update against fresh outputs once everyone |
| 1044 | // has settled. |
| 1045 | // |
| 1046 | // Linear (DAG) update nodes skip this entirely and simply wait for |
| 1047 | // fresh upstream outputs, mirroring the create flow. This is the |
| 1048 | // important property: a downstream of a non-cycle update never |
| 1049 | // observes the upstream's stale attr, which prevents wasted/ |
| 1050 | // destructive intermediate updates (e.g. a Worker deploying with |
| 1051 | // stale Build assets). |
| 1052 | if (inCycle) { |
| 1053 | yield* storeAndSignal({ |
| 1054 | output: node.state.attr, |
| 1055 | props: node.state.props, |
| 1056 | bindings: node.state.bindings ?? [], |
| 1057 | instanceId, |
| 1058 | }); |
| 1059 | } |
| 1060 | |
| 1061 | // See create-flow note: while we're waiting on upstream outputs |
| 1062 | // this resource isn't actually updating yet. |
| 1063 | yield* report("pending"); |
| 1064 | yield* waitForDeps(allUpstreamFqns()); |
| 1065 | const outputs = getOutputs(); |
| 1066 | |
| 1067 | const news = (yield* Output.evaluate(node.props, outputs)) as Record< |
| 1068 | string, |
| 1069 | any |
| 1070 | >; |
| 1071 | const adopting = |
| 1072 | node.adopting === true || |
| 1073 | (node.state.status === "updating" && node.state.adopting === true); |
| 1074 | |
| 1075 | yield* node.state.status === "replaced" |
| 1076 | ? commit<ReplacedResourceState>({ |
| 1077 | // Keep the replacement wrapper intact while changing the live |
| 1078 | // replacement props; GC still has older generations to delete. |
| 1079 | ...node.state, |
| 1080 | attr: node.state.attr, |
| 1081 | props: news, |
| 1082 | providerMode: node.mode, |
| 1083 | }) |
| 1084 | : commit<UpdatingReourceState>({ |
| 1085 | // For ordinary updates we snapshot the previously stable props/attrs |
| 1086 | // once, so retries can continue from the same baseline. |
| 1087 | status: "updating", |
| 1088 | fqn, |
| 1089 | logicalId, |
| 1090 | instanceId, |
| 1091 | resourceType: node.resource.Type, |
| 1092 | props: news, |
| 1093 | attr: node.state.attr, |
| 1094 | providerVersion: node.provider.version ?? 0, |
| 1095 | bindings: excludeDeletedBindings(node.bindings), |
| 1096 | downstream: node.downstream, |
| 1097 | old: |
| 1098 | node.state.status === "updating" ? node.state.old : node.state, |
| 1099 | adopting: adopting ? true : undefined, |
| 1100 | removalPolicy: node.resource.RemovalPolicy, |
| 1101 | providerMode: node.mode, |
| 1102 | }); |
| 1103 | |
| 1104 | yield* report(node.action === "adopted" ? "adopting" : "updating"); |
| 1105 | |
| 1106 | const previousProps = adopting |
| 1107 | ? undefined |
| 1108 | : node.state.status === "created" || |
| 1109 | node.state.status === "updated" || |
| 1110 | node.state.status === "replaced" |
| 1111 | ? node.state.props |
| 1112 | : node.state.old.props; |
| 1113 | |
| 1114 | // Providers receive the resolved binding payload for this exact pass, while |
| 1115 | // `previousProps` tells them what state the live resource is being updated from. |
| 1116 | const bindingOutputs = excludeDeletedBindings( |
| 1117 | yield* Output.evaluate(node.bindings, outputs), |
| 1118 | ); |
| 1119 | |
| 1120 | const attr = yield* node.provider |
| 1121 | .reconcile({ |
| 1122 | id: logicalId, |
| 1123 | fqn, |
| 1124 | news, |
| 1125 | instanceId, |
| 1126 | bindings: bindingOutputs, |
| 1127 | session: scopedSession, |
| 1128 | olds: previousProps, |
| 1129 | output: node.state.attr, |
| 1130 | }) |
| 1131 | .pipe( |
| 1132 | instrumentLifecycle( |
| 1133 | "update", |
| 1134 | fqn, |
| 1135 | node.resource.Type, |
| 1136 | logicalId, |
| 1137 | instanceId, |
| 1138 | ), |
| 1139 | ); |
| 1140 | |
| 1141 | if (node.state.status === "replaced") { |
| 1142 | yield* commit<ReplacedResourceState>({ |
| 1143 | // The live replacement changed, but cleanup of older generations still |
| 1144 | // has to continue afterwards. |
| 1145 | ...node.state, |
| 1146 | attr, |
| 1147 | props: news, |
| 1148 | // Resolved payload, not raw `node.bindings` — see create commit. |
| 1149 | bindings: bindingOutputs, |
| 1150 | providerMode: node.mode, |
| 1151 | }); |
| 1152 | } else { |
| 1153 | yield* commit<UpdatedResourceState>({ |
| 1154 | status: "updated", |
| 1155 | fqn, |
| 1156 | logicalId, |
| 1157 | instanceId, |
| 1158 | resourceType: node.resource.Type, |
| 1159 | props: news, |
| 1160 | attr, |
| 1161 | // Resolved payload, not raw `node.bindings` — see create commit. |
| 1162 | bindings: bindingOutputs, |
| 1163 | providerVersion: node.provider.version ?? 0, |
| 1164 | downstream: node.downstream, |
| 1165 | removalPolicy: node.resource.RemovalPolicy, |
| 1166 | providerMode: node.mode, |
| 1167 | }); |
| 1168 | } |
| 1169 | |
| 1170 | tracker[fqn] = { |
| 1171 | output: attr, |
| 1172 | props: news, |
| 1173 | bindings: bindingOutputs, |
| 1174 | instanceId, |
| 1175 | }; |
| 1176 | // Signal here for the linear (non-cycle) path. For in-cycle updates |
| 1177 | // the deferred has already been resolved by the early `storeAndSignal` |
| 1178 | // above and `signalReady` is a no-op the second time. |
| 1179 | yield* signalReady; |
| 1180 | yield* signalReadyStable; |
| 1181 | |
| 1182 | if (node.action === "adopted") { |
| 1183 | terminalStatuses.set(fqn, { |
| 1184 | fqn, |
| 1185 | id: logicalId, |
| 1186 | type: node.resource.Type, |
| 1187 | status: "adopted", |
| 1188 | providerMode: node.mode, |
| 1189 | }); |
| 1190 | if (!inCycle) yield* report("adopted"); |
| 1191 | } else { |
| 1192 | yield* markTerminal("updated"); |
| 1193 | } |
| 1194 | return; |
| 1195 | } |
| 1196 | |
| 1197 | // ── replace ── |
| 1198 | if (node.action === "replace") { |
| 1199 | if (node.state.status === "replaced" && !node.restart) { |
| 1200 | // The replacement already exists; this pass only needs GC to clean up |
| 1201 | // older generations, so expose the current replacement and stop here. |
| 1202 | tracker[fqn] = { |
| 1203 | output: node.state.attr, |
| 1204 | props: node.state.props, |
| 1205 | bindings: node.state.bindings ?? [], |
| 1206 | instanceId, |
| 1207 | }; |
| 1208 | yield* signalReady; |
| 1209 | yield* signalReadyStable; |
| 1210 | yield* markTerminal("created"); |
| 1211 | return; |
| 1212 | } |
| 1213 | |
| 1214 | let replState: ReplacingResourceState; |
| 1215 | if (node.state.status !== "replacing" || node.restart) { |
| 1216 | // `restart` deliberately nests the previous top-level replacement state |
| 1217 | // into `old`, creating a new outer generation to replace it. |
| 1218 | replState = yield* commit<ReplacingResourceState>({ |
| 1219 | status: "replacing", |
| 1220 | fqn, |
| 1221 | logicalId, |
| 1222 | instanceId, |
| 1223 | resourceType: node.resource.Type, |
| 1224 | props: node.props, |
| 1225 | bindings: excludeDeletedBindings(node.bindings), |
| 1226 | attr: undefined, |
| 1227 | providerVersion: node.provider.version ?? 0, |
| 1228 | deleteFirst: node.deleteFirst, |
| 1229 | old: node.state, |
| 1230 | downstream: node.downstream, |
| 1231 | removalPolicy: node.resource.RemovalPolicy, |
| 1232 | providerMode: node.mode, |
| 1233 | }); |
| 1234 | } else { |
| 1235 | // Resume the same replacement generation after an interrupted apply. |
| 1236 | replState = node.state; |
| 1237 | } |
| 1238 | |
| 1239 | // ── delete-first replacements ── |
| 1240 | // |
| 1241 | // By default a replacement is create-first: the new generation is |
| 1242 | // created here and the old generation(s) are reclaimed afterwards by |
| 1243 | // `collectGarbage` (Phase 2). That ordering keeps the old resource |
| 1244 | // alive if the create fails, but it is wrong for resources whose |
| 1245 | // replacement cannot coexist with the original — a fixed physical |
| 1246 | // name, a singleton, etc. Those providers return |
| 1247 | // `{ action: "replace", deleteFirst: true }`. |
| 1248 | // |
| 1249 | // When `deleteFirst` is set we tear the previous generation(s) down |
| 1250 | // BEFORE creating the new one, and commit the result as a terminal |
| 1251 | // `created` state (rather than `replaced`) so Phase 2 has no old chain |
| 1252 | // left to drain. `delete` is required to be idempotent, so a re-run |
| 1253 | // after an interrupted apply simply re-converges. |
| 1254 | const deleteOldGenerations = ( |
| 1255 | old: ReplacementOldResourceState, |
| 1256 | ): Effect.Effect<void, any, any> => |
| 1257 | Effect.gen(function* () { |
| 1258 | const retain = node.resource.RemovalPolicy === "retain"; |
| 1259 | if (old.attr !== undefined && !retain) { |
| 1260 | // Delete each old generation with the provider variant of the |
| 1261 | // mode that created it — after a local ⇄ live switch, |
| 1262 | // `node.provider` (the new mode) cannot tear down the other |
| 1263 | // runtime's instance. Unstamped rows (legacy or written by a |
| 1264 | // mode-agnostic provider) are physically live, unless their |
| 1265 | // attrs carry the `dev:` identity marker — see stampedMode. |
| 1266 | const oldProvider = yield* findProviderByType( |
| 1267 | node.resource.Type, |
| 1268 | stampedMode(old), |
| 1269 | ); |
| 1270 | yield* oldProvider |
| 1271 | .delete({ |
| 1272 | id: logicalId, |
| 1273 | fqn, |
| 1274 | instanceId: old.instanceId, |
| 1275 | olds: old.props as never, |
| 1276 | output: old.attr, |
| 1277 | session: scopedSession, |
| 1278 | bindings: [], |
| 1279 | }) |
| 1280 | .pipe( |
| 1281 | instrumentLifecycle( |
| 1282 | "delete", |
| 1283 | fqn, |
| 1284 | node.resource.Type, |
| 1285 | logicalId, |
| 1286 | old.instanceId, |
| 1287 | ), |
| 1288 | ); |
| 1289 | } |
| 1290 | if (old.status === "replacing" || old.status === "replaced") { |
| 1291 | yield* deleteOldGenerations(old.old); |
| 1292 | } |
| 1293 | }); |
| 1294 | |
| 1295 | if (node.deleteFirst) { |
| 1296 | yield* scopedSession.note( |
| 1297 | "Deleting previous resource before creating its replacement (deleteFirst)...", |
| 1298 | ); |
| 1299 | yield* deleteOldGenerations(replState.old); |
| 1300 | } |
| 1301 | |
| 1302 | let attr: any = replState.attr; |
| 1303 | |
| 1304 | if (attr !== undefined) { |
| 1305 | // If precreate already ran, expose that intermediate output immediately so |
| 1306 | // downstream resources can resolve against the same in-flight replacement. |
| 1307 | yield* storeAndSignal({ |
| 1308 | output: attr, |
| 1309 | props: {}, |
| 1310 | bindings: [], |
| 1311 | instanceId, |
| 1312 | }); |
| 1313 | } |
| 1314 | |
| 1315 | if (node.provider.precreate && attr === undefined) { |
| 1316 | yield* report("pre-creating"); |
| 1317 | attr = yield* node.provider |
| 1318 | .precreate({ |
| 1319 | id: logicalId, |
| 1320 | fqn, |
| 1321 | news: node.props, |
| 1322 | session: scopedSession, |
| 1323 | instanceId, |
| 1324 | bindings: excludeDeletedBindings(node.bindings), |
| 1325 | }) |
| 1326 | .pipe( |
| 1327 | instrumentLifecycle( |
| 1328 | "precreate", |
| 1329 | fqn, |
| 1330 | node.resource.Type, |
| 1331 | logicalId, |
| 1332 | instanceId, |
| 1333 | ), |
| 1334 | ); |
| 1335 | yield* commit<ReplacingResourceState>({ |
| 1336 | status: "replacing", |
| 1337 | fqn, |
| 1338 | logicalId, |
| 1339 | instanceId, |
| 1340 | resourceType: node.resource.Type, |
| 1341 | props: node.props, |
| 1342 | attr, |
| 1343 | providerVersion: node.provider.version ?? 0, |
| 1344 | bindings: excludeDeletedBindings(node.bindings), |
| 1345 | downstream: node.downstream, |
| 1346 | old: replState.old, |
| 1347 | deleteFirst: node.deleteFirst, |
| 1348 | removalPolicy: node.resource.RemovalPolicy, |
| 1349 | providerMode: node.mode, |
| 1350 | }); |
| 1351 | yield* storeAndSignal({ |
| 1352 | output: attr, |
| 1353 | props: {}, |
| 1354 | bindings: [], |
| 1355 | instanceId, |
| 1356 | }); |
| 1357 | } |
| 1358 | |
| 1359 | // See create-flow note: while we're waiting on upstream outputs |
| 1360 | // the replacement isn't actually being created yet. |
| 1361 | yield* report("pending"); |
| 1362 | |
| 1363 | // Replacement create is evaluated exactly like create, but against the new |
| 1364 | // generation's instance id and with the previous generations preserved in `old`. |
| 1365 | yield* waitForDeps(allUpstreamFqns()); |
| 1366 | |
| 1367 | yield* report("creating replacement"); |
| 1368 | const outputs = getOutputs(); |
| 1369 | |
| 1370 | const news = (yield* Output.evaluate(node.props, outputs)) as Record< |
| 1371 | string, |
| 1372 | any |
| 1373 | >; |
| 1374 | |
| 1375 | const bindingOutputs = excludeDeletedBindings( |
| 1376 | yield* Output.evaluate(node.bindings, outputs), |
| 1377 | ); |
| 1378 | |
| 1379 | attr = yield* node.provider |
| 1380 | .reconcile({ |
| 1381 | id: logicalId, |
| 1382 | fqn, |
| 1383 | news, |
| 1384 | instanceId, |
| 1385 | bindings: bindingOutputs, |
| 1386 | session: scopedSession, |
| 1387 | olds: undefined, |
| 1388 | output: attr, |
| 1389 | }) |
| 1390 | .pipe( |
| 1391 | instrumentLifecycle( |
| 1392 | "create", |
| 1393 | fqn, |
| 1394 | node.resource.Type, |
| 1395 | logicalId, |
| 1396 | instanceId, |
| 1397 | ), |
| 1398 | ); |
| 1399 | |
| 1400 | if (node.deleteFirst) { |
| 1401 | // The old generation(s) were already torn down above, so there is |
| 1402 | // nothing left for `collectGarbage` to drain — collapse straight to |
| 1403 | // the terminal `created` state. |
| 1404 | yield* commit<CreatedResourceState>({ |
| 1405 | status: "created", |
| 1406 | fqn, |
| 1407 | logicalId, |
| 1408 | instanceId, |
| 1409 | resourceType: node.resource.Type, |
| 1410 | props: news, |
| 1411 | attr, |
| 1412 | providerVersion: node.provider.version ?? 0, |
| 1413 | // Resolved payload, not raw `node.bindings` — see create commit. |
| 1414 | bindings: bindingOutputs, |
| 1415 | downstream: node.downstream, |
| 1416 | removalPolicy: node.resource.RemovalPolicy, |
| 1417 | providerMode: node.mode, |
| 1418 | }); |
| 1419 | } else { |
| 1420 | yield* commit<ReplacedResourceState>({ |
| 1421 | // Creation of the new generation succeeded; from here on the only remaining |
| 1422 | // work is draining the old chain via garbage collection. |
| 1423 | status: "replaced", |
| 1424 | fqn, |
| 1425 | logicalId, |
| 1426 | instanceId, |
| 1427 | resourceType: node.resource.Type, |
| 1428 | props: news, |
| 1429 | attr, |
| 1430 | providerVersion: node.provider.version ?? 0, |
| 1431 | // Resolved payload, not raw `node.bindings` — see create commit. |
| 1432 | bindings: bindingOutputs, |
| 1433 | downstream: node.downstream, |
| 1434 | // Preserve the remaining backlog exactly as-is. GC is responsible for |
| 1435 | // popping one generation at a time until the chain is exhausted. |
| 1436 | old: replState.old, |
| 1437 | deleteFirst: node.deleteFirst, |
| 1438 | removalPolicy: node.resource.RemovalPolicy, |
| 1439 | providerMode: node.mode, |
| 1440 | }); |
| 1441 | } |
| 1442 | |
| 1443 | tracker[fqn] = { |
| 1444 | output: attr, |
| 1445 | props: news, |
| 1446 | bindings: bindingOutputs, |
| 1447 | instanceId, |
| 1448 | }; |
| 1449 | yield* signalReady; |
| 1450 | yield* signalReadyStable; |
| 1451 | |
| 1452 | // Keep progress anchored to the live replacement while GC drains the |
| 1453 | // previous generation(s) in the background. |
| 1454 | yield* markTerminal("created"); |
| 1455 | return; |
| 1456 | } |
| 1457 | |
| 1458 | return yield* Effect.die(`Unknown action: ${node.action}`); |
| 1459 | }); |
| 1460 | }).pipe( |
| 1461 | Effect.catchCause((cause) => |
| 1462 | // Record the failure, propagate it to any downstream resources waiting on |
| 1463 | // our Deferred (so their waitForDeps short-circuits instead of deadlocking), |
| 1464 | // emit a "fail" status to the session, and resolve to void so Effect.all |
| 1465 | // does not interrupt sibling fibers. The aggregated cause is raised at |
| 1466 | // the end of executePlan. |
| 1467 | Effect.gen(function* () { |
| 1468 | failures.push({ |
| 1469 | fqn, |
| 1470 | logicalId: node.resource.LogicalId, |
| 1471 | type: node.resource.Type, |
| 1472 | cause, |
| 1473 | }); |
| 1474 | yield* Deferred.failCause(ready[fqn], cause as Cause.Cause<never>); |
| 1475 | yield* Deferred.failCause( |
| 1476 | readyStable[fqn], |
| 1477 | cause as Cause.Cause<never>, |
| 1478 | ); |
| 1479 | yield* session.emit({ |
| 1480 | _tag: "apply.resource.status", |
| 1481 | fqn, |
| 1482 | id: node.resource.LogicalId, |
| 1483 | type: node.resource.Type, |
| 1484 | status: "fail", |
| 1485 | message: failureMessage(cause), |
| 1486 | providerMode: node.mode, |
| 1487 | }); |
| 1488 | }), |
| 1489 | ), |
| 1490 | Effect.withSpan("apply.resource", { |
| 1491 | attributes: { |
| 1492 | "alchemy.resource.fqn": fqn, |
| 1493 | "alchemy.resource.type": node.resource.Type, |
| 1494 | "alchemy.resource.logical_id": node.resource.LogicalId, |
| 1495 | "alchemy.resource.action": node.action, |
| 1496 | }, |
| 1497 | }), |
| 1498 | ) as Effect.Effect<void, never, never>; |
| 1499 | |
| 1500 | // ── Task execution ───────────────────────────────────────────────────────── |
| 1501 | // |
| 1502 | // Tasks slot into the same scheduler as resources. They have no provider |
| 1503 | // lifecycle — just a single Effect that runs when inputs change (or when |
| 1504 | // `--force` is set). The output value is written to `tracker[fqn].output` |
| 1505 | // so downstream Output evaluation works identically to resource attrs. |
| 1506 | |
| 1507 | /** |
| 1508 | * Run an Action body, resolving any Outputs it captured via `yield* output` |
| 1509 | * during init against the current tracker and exposing them to the body through |
| 1510 | * the resolve {@link RuntimeContext}. See {@link makeCaptureContext}. |
| 1511 | */ |
| 1512 | const runAction = Effect.fn("apply.runAction")(function* ( |
| 1513 | task: ActionLike, |
| 1514 | input: any, |
| 1515 | outputs: Record<string, any>, |
| 1516 | ) { |
| 1517 | const resolved: Record<string, unknown> = {}; |
| 1518 | for (const [key, output] of Object.entries(task.Captures)) { |
| 1519 | resolved[key] = yield* Output.evaluate(output, outputs); |
| 1520 | } |
| 1521 | return yield* task |
| 1522 | .Run(input) |
| 1523 | .pipe(Effect.provideService(RuntimeContext, makeResolveContext(resolved))); |
| 1524 | }); |
| 1525 | |
| 1526 | const executeActionNode = ( |
| 1527 | fqn: string, |
| 1528 | node: ActionApply, |
| 1529 | tracker: Record<string, ResourceTracker>, |
| 1530 | ready: Record<string, Deferred.Deferred<void>>, |
| 1531 | readyStable: Record<string, Deferred.Deferred<void>>, |
| 1532 | terminalStatuses: Map< |
| 1533 | string, |
| 1534 | { |
| 1535 | fqn: string; |
| 1536 | id: string; |
| 1537 | type: string; |
| 1538 | status: Extract< |
| 1539 | ApplyStatus, |
| 1540 | "created" | "updated" | "adopted" | "ran" | "skipped" |
| 1541 | >; |
| 1542 | providerMode?: ProviderMode; |
| 1543 | } |
| 1544 | >, |
| 1545 | session: PlanStatusSession, |
| 1546 | state: { |
| 1547 | set: <V extends PersistedState>(req: { |
| 1548 | stack: string; |
| 1549 | stage: string; |
| 1550 | fqn: string; |
| 1551 | value: V; |
| 1552 | }) => Effect.Effect<V, StateStoreError, never>; |
| 1553 | }, |
| 1554 | stackName: string, |
| 1555 | stage: string, |
| 1556 | getOutputs: () => Record<string, any>, |
| 1557 | waitForDeps: (fqns: string[]) => Effect.Effect<void[], never, never>, |
| 1558 | failures: LifecycleFailure[], |
| 1559 | ): Effect.Effect<void, never, any> => |
| 1560 | Effect.gen(function* () { |
| 1561 | const task = node.def; |
| 1562 | const logicalId = task.LogicalId; |
| 1563 | const namespace = task.Namespace; |
| 1564 | |
| 1565 | const commit = <S extends ActionState>(value: Omit<S, "namespace">) => |
| 1566 | state.set({ |
| 1567 | stack: stackName, |
| 1568 | stage, |
| 1569 | fqn, |
| 1570 | value: { ...value, namespace } as S, |
| 1571 | }); |
| 1572 | |
| 1573 | const report = (status: ApplyStatus) => |
| 1574 | session.emit({ |
| 1575 | _tag: "apply.resource.status", |
| 1576 | fqn, |
| 1577 | id: logicalId, |
| 1578 | type: task.Type, |
| 1579 | status, |
| 1580 | }); |
| 1581 | |
| 1582 | const signalReady = Deferred.succeed(ready[fqn], void 0); |
| 1583 | const signalReadyStable = Deferred.succeed(readyStable[fqn], void 0); |
| 1584 | |
| 1585 | const skip = (state: RanActionState) => |
| 1586 | Effect.gen(function* () { |
| 1587 | if (!sameSet(state.downstream ?? [], node.downstream)) { |
| 1588 | yield* commit<RanActionState>({ |
| 1589 | ...state, |
| 1590 | downstream: node.downstream, |
| 1591 | }); |
| 1592 | } |
| 1593 | tracker[fqn] = { |
| 1594 | output: state.output, |
| 1595 | props: { __input: state.input }, |
| 1596 | bindings: [], |
| 1597 | instanceId: fqn, |
| 1598 | }; |
| 1599 | yield* signalReady; |
| 1600 | yield* signalReadyStable; |
| 1601 | terminalStatuses.set(fqn, { |
| 1602 | fqn, |
| 1603 | id: logicalId, |
| 1604 | type: task.Type, |
| 1605 | status: "skipped", |
| 1606 | }); |
| 1607 | yield* report("skipped"); |
| 1608 | }); |
| 1609 | |
| 1610 | if (node.action === "noop") { |
| 1611 | return yield* skip(node.state); |
| 1612 | } |
| 1613 | |
| 1614 | // ── run ── |
| 1615 | // Tasks wait on `waitForStableDeps` (post-reconcile attrs) for their |
| 1616 | // upstreams, which is often the slowest dep chain in the deploy. |
| 1617 | // Surface that as "pending" instead of having the task show no status |
| 1618 | // until its run actually starts. |
| 1619 | yield* report("pending"); |
| 1620 | yield* waitForDeps( |
| 1621 | [ |
| 1622 | ...new Set([ |
| 1623 | ...Object.keys(Output.resolveUpstream(node.input)), |
| 1624 | ...Object.keys(Output.upstreamAny(task.Captures)), |
| 1625 | ]), |
| 1626 | ].filter((f) => f in readyStable), |
| 1627 | ); |
| 1628 | |
| 1629 | const outputs = getOutputs(); |
| 1630 | const resolvedInput = (yield* Output.evaluate(node.input, outputs)) as any; |
| 1631 | const inputHashValue = yield* hashInput(resolvedInput); |
| 1632 | |
| 1633 | // Inputs unknown during planning may resolve to the last successful input. |
| 1634 | if ( |
| 1635 | !node.forced && |
| 1636 | node.state?.status === "ran" && |
| 1637 | node.state.inputHash === inputHashValue |
| 1638 | ) { |
| 1639 | return yield* skip(node.state); |
| 1640 | } |
| 1641 | |
| 1642 | yield* commit<RunningActionState>({ |
| 1643 | kind: "action", |
| 1644 | status: "running", |
| 1645 | fqn, |
| 1646 | logicalId, |
| 1647 | actionType: task.Type, |
| 1648 | inputHash: inputHashValue, |
| 1649 | input: resolvedInput, |
| 1650 | downstream: node.downstream, |
| 1651 | }); |
| 1652 | yield* report("running"); |
| 1653 | |
| 1654 | const result = yield* runAction(task, resolvedInput, outputs); |
| 1655 | |
| 1656 | yield* commit<RanActionState>({ |
| 1657 | kind: "action", |
| 1658 | status: "ran", |
| 1659 | fqn, |
| 1660 | logicalId, |
| 1661 | actionType: task.Type, |
| 1662 | inputHash: inputHashValue, |
| 1663 | input: resolvedInput, |
| 1664 | output: result, |
| 1665 | downstream: node.downstream, |
| 1666 | }); |
| 1667 | |
| 1668 | tracker[fqn] = { |
| 1669 | output: result, |
| 1670 | props: { __input: resolvedInput }, |
| 1671 | bindings: [], |
| 1672 | instanceId: fqn, |
| 1673 | }; |
| 1674 | yield* signalReady; |
| 1675 | yield* signalReadyStable; |
| 1676 | terminalStatuses.set(fqn, { |
| 1677 | fqn, |
| 1678 | id: logicalId, |
| 1679 | type: task.Type, |
| 1680 | status: "ran", |
| 1681 | }); |
| 1682 | yield* report("ran"); |
| 1683 | }).pipe( |
| 1684 | Effect.catchCause((cause) => |
| 1685 | Effect.gen(function* () { |
| 1686 | failures.push({ |
| 1687 | fqn, |
| 1688 | logicalId: node.def.LogicalId, |
| 1689 | type: node.def.Type, |
| 1690 | cause, |
| 1691 | }); |
| 1692 | yield* Deferred.failCause(ready[fqn], cause as Cause.Cause<never>); |
| 1693 | yield* Deferred.failCause( |
| 1694 | readyStable[fqn], |
| 1695 | cause as Cause.Cause<never>, |
| 1696 | ); |
| 1697 | yield* session.emit({ |
| 1698 | _tag: "apply.resource.status", |
| 1699 | fqn, |
| 1700 | id: node.def.LogicalId, |
| 1701 | type: node.def.Type, |
| 1702 | status: "fail", |
| 1703 | message: failureMessage(cause), |
| 1704 | }); |
| 1705 | }), |
| 1706 | ), |
| 1707 | Effect.withSpan("apply.action", { |
| 1708 | attributes: { |
| 1709 | "alchemy.action.fqn": fqn, |
| 1710 | "alchemy.action.type": node.def.Type, |
| 1711 | "alchemy.action.logical_id": node.def.LogicalId, |
| 1712 | "alchemy.action.verb": node.action, |
| 1713 | }, |
| 1714 | }), |
| 1715 | ) as Effect.Effect<void, never, any>; |
| 1716 | |
| 1717 | // ── Phase 3: imperative convergence loop ─────────────────────────────────── |
| 1718 | // |
| 1719 | // After the initial concurrent pass, some resources may have been created |
| 1720 | // with stale upstream values (e.g. a precreate stub instead of the final |
| 1721 | // output). Walk the plan and re-evaluate each resource's props/bindings |
| 1722 | // against the current tracker outputs. Call provider.reconcile for any |
| 1723 | // resource whose resolved inputs differ from what it was last applied with. |
| 1724 | // Repeat until no resource needs updating. |
| 1725 | |
| 1726 | const converge = Effect.fn(function* ( |
| 1727 | plan: Plan, |
| 1728 | tracker: Record<string, ResourceTracker>, |
| 1729 | terminalStatuses: Map< |
| 1730 | string, |
| 1731 | { |
| 1732 | fqn: string; |
| 1733 | id: string; |
| 1734 | type: string; |
| 1735 | status: Extract< |
| 1736 | ApplyStatus, |
| 1737 | "created" | "updated" | "adopted" | "ran" | "skipped" |
| 1738 | >; |
| 1739 | providerMode?: ProviderMode; |
| 1740 | } |
| 1741 | >, |
| 1742 | session: PlanStatusSession, |
| 1743 | state: { |
| 1744 | set: <V extends PersistedState>(req: { |
| 1745 | stack: string; |
| 1746 | stage: string; |
| 1747 | fqn: string; |
| 1748 | value: V; |
| 1749 | }) => Effect.Effect<V, StateStoreError, never>; |
| 1750 | }, |
| 1751 | stackName: string, |
| 1752 | stage: string, |
| 1753 | ) { |
| 1754 | for (;;) { |
| 1755 | let anyUpdated = false; |
| 1756 | |
| 1757 | for (const [fqn, node] of Object.entries(plan.resources)) { |
| 1758 | if (node.action === "noop") continue; |
| 1759 | if (!tracker[fqn]) continue; |
| 1760 | |
| 1761 | const outputs = Object.fromEntries( |
| 1762 | Object.entries(tracker).map(([k, t]) => [k, t.output]), |
| 1763 | ); |
| 1764 | |
| 1765 | const newProps = (yield* Output.evaluate(node.props, outputs)) as Record< |
| 1766 | string, |
| 1767 | any |
| 1768 | >; |
| 1769 | |
| 1770 | const newBindings = excludeDeletedBindings( |
| 1771 | yield* Output.evaluate(node.bindings, outputs), |
| 1772 | ); |
| 1773 | |
| 1774 | const oldProps = tracker[fqn].props; |
| 1775 | const oldBindings = tracker[fqn].bindings; |
| 1776 | |
| 1777 | const propsChanged = havePropsChanged(oldProps, newProps); |
| 1778 | const bindingsChanged = |
| 1779 | JSON.stringify(oldBindings) !== JSON.stringify(newBindings); |
| 1780 | |
| 1781 | if (!propsChanged && !bindingsChanged) continue; |
| 1782 | |
| 1783 | anyUpdated = true; |
| 1784 | |
| 1785 | const logicalId = node.resource.LogicalId; |
| 1786 | const namespace = node.resource.Namespace; |
| 1787 | const instanceId = tracker[fqn].instanceId; |
| 1788 | |
| 1789 | const scopedSession = { |
| 1790 | ...session, |
| 1791 | note: (note, options?) => |
| 1792 | session.emit({ |
| 1793 | fqn, |
| 1794 | id: logicalId, |
| 1795 | _tag: "apply.resource.note", |
| 1796 | message: note, |
| 1797 | kind: options?.kind, |
| 1798 | }), |
| 1799 | } satisfies ScopedPlanStatusSession; |
| 1800 | |
| 1801 | const attr = yield* node.provider |
| 1802 | .reconcile({ |
| 1803 | id: logicalId, |
| 1804 | fqn, |
| 1805 | news: newProps, |
| 1806 | instanceId, |
| 1807 | bindings: newBindings, |
| 1808 | session: scopedSession, |
| 1809 | olds: oldProps, |
| 1810 | output: tracker[fqn].output, |
| 1811 | }) |
| 1812 | .pipe( |
| 1813 | instrumentLifecycle( |
| 1814 | "update", |
| 1815 | fqn, |
| 1816 | node.resource.Type, |
| 1817 | logicalId, |
| 1818 | instanceId, |
| 1819 | ), |
| 1820 | ); |
| 1821 | |
| 1822 | tracker[fqn] = { |
| 1823 | output: attr, |
| 1824 | props: newProps, |
| 1825 | bindings: newBindings, |
| 1826 | instanceId, |
| 1827 | }; |
| 1828 | |
| 1829 | yield* state.set({ |
| 1830 | stack: stackName, |
| 1831 | stage, |
| 1832 | fqn, |
| 1833 | value: { |
| 1834 | status: "updated", |
| 1835 | fqn, |
| 1836 | logicalId, |
| 1837 | instanceId, |
| 1838 | resourceType: node.resource.Type, |
| 1839 | // This site bypasses the `commit` helper, so strip unresolved |
| 1840 | // leaves (Effect-valued env entries survive `Output.evaluate`) |
| 1841 | // the same way `commit` does — state only ever holds plain data. |
| 1842 | props: stripUnresolved(newProps), |
| 1843 | attr, |
| 1844 | providerVersion: node.provider.version ?? 0, |
| 1845 | // Resolved payload, not raw `node.bindings` — see the create |
| 1846 | // commit in applyResource. Stripped like the commit helper so |
| 1847 | // Effect leaves (e.g. tagged Worker classes in `env`) never reach |
| 1848 | // the state store. |
| 1849 | bindings: stripUnresolved(newBindings), |
| 1850 | downstream: node.downstream, |
| 1851 | namespace, |
| 1852 | removalPolicy: node.resource.RemovalPolicy, |
| 1853 | providerMode: node.mode, |
| 1854 | adoptionBlocked: node.adoptionBlocked, |
| 1855 | } as UpdatedResourceState, |
| 1856 | }); |
| 1857 | |
| 1858 | terminalStatuses.set(fqn, { |
| 1859 | fqn, |
| 1860 | id: logicalId, |
| 1861 | type: node.resource.Type, |
| 1862 | status: node.action === "adopted" ? "adopted" : "updated", |
| 1863 | providerMode: node.mode, |
| 1864 | }); |
| 1865 | } |
| 1866 | |
| 1867 | // Tasks: re-run when their resolved input drifts vs. the value they |
| 1868 | // last applied with (e.g. an upstream resource produced new attrs in |
| 1869 | // this pass). Skipped (noop) tasks are not re-checked here — their |
| 1870 | // recorded inputHash is authoritative until the next plan. |
| 1871 | for (const [fqn, node] of Object.entries(plan.actions)) { |
| 1872 | if (node.action !== "run") continue; |
| 1873 | if (!tracker[fqn]) continue; |
| 1874 | |
| 1875 | const outputs = Object.fromEntries( |
| 1876 | Object.entries(tracker).map(([k, t]) => [k, t.output]), |
| 1877 | ); |
| 1878 | const newInput = (yield* Output.evaluate(node.input, outputs)) as any; |
| 1879 | const newHash = yield* hashInput(newInput); |
| 1880 | const oldInput = tracker[fqn].props?.__input; |
| 1881 | const oldHash = yield* hashInput(oldInput); |
| 1882 | if (newHash === oldHash) continue; |
| 1883 | |
| 1884 | anyUpdated = true; |
| 1885 | |
| 1886 | yield* state.set({ |
| 1887 | stack: stackName, |
| 1888 | stage, |
| 1889 | fqn, |
| 1890 | value: { |
| 1891 | kind: "action", |
| 1892 | status: "running", |
| 1893 | fqn, |
| 1894 | logicalId: node.def.LogicalId, |
| 1895 | namespace: node.def.Namespace, |
| 1896 | actionType: node.def.Type, |
| 1897 | inputHash: newHash, |
| 1898 | input: newInput, |
| 1899 | downstream: node.downstream, |
| 1900 | } satisfies RunningActionState, |
| 1901 | }); |
| 1902 | |
| 1903 | const result = yield* runAction(node.def, newInput, outputs); |
| 1904 | |
| 1905 | yield* state.set({ |
| 1906 | stack: stackName, |
| 1907 | stage, |
| 1908 | fqn, |
| 1909 | value: { |
| 1910 | kind: "action", |
| 1911 | status: "ran", |
| 1912 | fqn, |
| 1913 | logicalId: node.def.LogicalId, |
| 1914 | namespace: node.def.Namespace, |
| 1915 | actionType: node.def.Type, |
| 1916 | inputHash: newHash, |
| 1917 | input: newInput, |
| 1918 | output: result, |
| 1919 | downstream: node.downstream, |
| 1920 | } satisfies RanActionState, |
| 1921 | }); |
| 1922 | |
| 1923 | tracker[fqn] = { |
| 1924 | output: result, |
| 1925 | props: { __input: newInput }, |
| 1926 | bindings: [], |
| 1927 | instanceId: fqn, |
| 1928 | }; |
| 1929 | terminalStatuses.set(fqn, { |
| 1930 | fqn, |
| 1931 | id: node.def.LogicalId, |
| 1932 | type: node.def.Type, |
| 1933 | status: "ran", |
| 1934 | }); |
| 1935 | } |
| 1936 | |
| 1937 | if (!anyUpdated) break; |
| 1938 | } |
| 1939 | }); |
| 1940 | |
| 1941 | // ── Phase 2: delete orphans and old replaced resources ───────────────────── |
| 1942 | |
| 1943 | /** A provider delete (or its attr-recovery read / state commit) that failed. */ |
| 1944 | export interface DeleteFailure { |
| 1945 | fqn: string; |
| 1946 | logicalId: string; |
| 1947 | resourceType: string; |
| 1948 | cause: Cause.Cause<unknown>; |
| 1949 | } |
| 1950 | |
| 1951 | /** |
| 1952 | * A delete that was never attempted because a dependent's delete failed (or |
| 1953 | * was itself blocked). The resource may legitimately be undeletable while its |
| 1954 | * dependents still exist, so skipping is not an error in its own right. |
| 1955 | */ |
| 1956 | export interface BlockedDelete { |
| 1957 | fqn: string; |
| 1958 | logicalId: string; |
| 1959 | resourceType: string; |
| 1960 | /** FQNs of the dependents whose failed/blocked deletes block this one. */ |
| 1961 | blockedBy: string[]; |
| 1962 | } |
| 1963 | |
| 1964 | /** |
| 1965 | * Aggregate raised at the end of the deletion phase when one or more |
| 1966 | * resource deletes failed. Every resource whose delete did not depend on a |
| 1967 | * failed one was still attempted — a single failure no longer strands |
| 1968 | * unrelated siblings. |
| 1969 | */ |
| 1970 | export class DestroyError extends Data.TaggedError("DestroyError")<{ |
| 1971 | failures: ReadonlyArray<DeleteFailure>; |
| 1972 | blocked: ReadonlyArray<BlockedDelete>; |
| 1973 | }> { |
| 1974 | override get message(): string { |
| 1975 | return [ |
| 1976 | `Failed to delete ${this.failures.length} resource(s)` + |
| 1977 | (this.blocked.length > 0 |
| 1978 | ? ` (${this.blocked.length} more skipped because a dependent's delete failed)` |
| 1979 | : "") + |
| 1980 | ":", |
| 1981 | ...this.failures.map( |
| 1982 | (f) => ` ✗ ${f.fqn} (${f.resourceType}): ${Cause.pretty(f.cause)}`, |
| 1983 | ), |
| 1984 | ...this.blocked.map( |
| 1985 | (b) => |
| 1986 | ` ⊘ ${b.fqn} (${b.resourceType}): skipped — blocked by failed delete of ${b.blockedBy.join(", ")}`, |
| 1987 | ), |
| 1988 | ].join("\n"); |
| 1989 | } |
| 1990 | } |
| 1991 | |
| 1992 | const collectGarbage = Effect.fn(function* ( |
| 1993 | plan: Plan, |
| 1994 | session: PlanStatusSession, |
| 1995 | ) { |
| 1996 | const state = yield* yield* State; |
| 1997 | const stack = yield* Stack; |
| 1998 | const stackName = stack.name; |
| 1999 | const stage = yield* Stage; |
| 2000 | |
| 2001 | // Task deletions are pure state drops — no body is invoked. Run them in |
| 2002 | // parallel before resource GC; tasks never have provider-side dependencies |
| 2003 | // to wait on. |
| 2004 | yield* Effect.all( |
| 2005 | Object.entries(plan.actionDeletions ?? {}).map(([fqn, node]) => |
| 2006 | node === undefined |
| 2007 | ? Effect.void |
| 2008 | : Effect.gen(function* () { |
| 2009 | yield* session.emit({ |
| 2010 | _tag: "apply.resource.status", |
| 2011 | fqn, |
| 2012 | id: node.def.LogicalId, |
| 2013 | type: node.def.Type, |
| 2014 | status: "deleting", |
| 2015 | }); |
| 2016 | yield* state.delete({ stack: stackName, stage, fqn }); |
| 2017 | yield* session.emit({ |
| 2018 | _tag: "apply.resource.status", |
| 2019 | fqn, |
| 2020 | id: node.def.LogicalId, |
| 2021 | type: node.def.Type, |
| 2022 | status: "deleted", |
| 2023 | }); |
| 2024 | }), |
| 2025 | ), |
| 2026 | { concurrency: "unbounded" }, |
| 2027 | ); |
| 2028 | |
| 2029 | // Failures are collected — not propagated — so one bad delete never |
| 2030 | // strands unrelated siblings. `unresolved` tracks every FQN whose delete |
| 2031 | // failed or was blocked this run: later passes must not retry them (a |
| 2032 | // still-`replaced` row would otherwise spin the drain loop forever) and |
| 2033 | // dependencies scheduled in later passes must observe them as blocking. |
| 2034 | const failures: DeleteFailure[] = []; |
| 2035 | const blockedDeletes: BlockedDelete[] = []; |
| 2036 | const unresolved = new Set<string>(); |
| 2037 | |
| 2038 | const pendingDeletes = { ...plan.deletions }; |
| 2039 | // Pending means this generation drained; deferred means it is still live. |
| 2040 | type DeleteOutcome = |
| 2041 | | "deleted" |
| 2042 | | "pending" |
| 2043 | | "deferred" |
| 2044 | | "failed" |
| 2045 | | "blocked"; |
| 2046 | |
| 2047 | const deleteGraph = Effect.fn(function* ( |
| 2048 | deletionGraph: Record< |
| 2049 | string, |
| 2050 | Delete | ReplacementResourceState | undefined |
| 2051 | >, |
| 2052 | ) { |
| 2053 | const deletions: { |
| 2054 | [fqn: string]: Effect.Effect<DeleteOutcome, never, ArtifactStore>; |
| 2055 | } = {}; |
| 2056 | |
| 2057 | const deleteResource = ( |
| 2058 | node: Delete | ReplacementResourceState, |
| 2059 | ancestors: ReadonlySet<string> = new Set(), |
| 2060 | ): Effect.Effect<DeleteOutcome, never, ArtifactStore> => |
| 2061 | Effect.gen(function* () { |
| 2062 | const isDeleteNode = ( |
| 2063 | node: Delete | ReplacementResourceState, |
| 2064 | ): node is Delete => "action" in node; |
| 2065 | |
| 2066 | const { |
| 2067 | fqn, |
| 2068 | logicalId, |
| 2069 | namespace, |
| 2070 | resourceType, |
| 2071 | instanceId, |
| 2072 | downstream, |
| 2073 | props, |
| 2074 | attr: persistedAttr, |
| 2075 | provider, |
| 2076 | providerMode, |
| 2077 | } = isDeleteNode(node) |
| 2078 | ? { |
| 2079 | // Use the persisted FQN verbatim — never recompute it from |
| 2080 | // `toFqn(namespace, logicalId)`. A logical ID may legitimately |
| 2081 | // contain the FQN separator (`/`), in which case `parseFqn` |
| 2082 | // truncated it and a recomputed key would miss the real state |
| 2083 | // row (the row would then resurface as an orphan on every |
| 2084 | // subsequent destroy, never getting deleted). |
| 2085 | fqn: node.resource.FQN, |
| 2086 | logicalId: node.resource.LogicalId, |
| 2087 | namespace: node.resource.Namespace, |
| 2088 | resourceType: node.resource.Type, |
| 2089 | instanceId: node.state.instanceId, |
| 2090 | downstream: node.downstream, |
| 2091 | props: node.state.props, |
| 2092 | attr: node.state.attr, |
| 2093 | // Plan resolved this provider for the row's persisted (or |
| 2094 | // marker-inferred) `providerMode` (see the deletions builder |
| 2095 | // in Plan.ts). |
| 2096 | provider: node.provider, |
| 2097 | providerMode: node.state.providerMode, |
| 2098 | } |
| 2099 | : { |
| 2100 | fqn: node.fqn, |
| 2101 | logicalId: node.logicalId, |
| 2102 | namespace: node.namespace, |
| 2103 | resourceType: node.old.resourceType, |
| 2104 | instanceId: node.old.instanceId, |
| 2105 | downstream: node.old.downstream, |
| 2106 | props: node.old.props, |
| 2107 | attr: node.old.attr, |
| 2108 | // A missing provider is fatal — plan already dies on zombie |
| 2109 | // rows (see the deletions builder in Plan.ts); this guards |
| 2110 | // the replaced-chain generations that bypass plan. The old |
| 2111 | // generation is torn down with the provider variant of the |
| 2112 | // mode that created it (local ⇄ live replacements); |
| 2113 | // unstamped rows are physically live unless their attrs |
| 2114 | // carry the `dev:` identity marker (see stampedMode). |
| 2115 | provider: yield* tryFindProviderByType( |
| 2116 | node.old.resourceType, |
| 2117 | stampedMode(node.old), |
| 2118 | ).pipe( |
| 2119 | Effect.flatMap( |
| 2120 | Option.match({ |
| 2121 | onNone: () => |
| 2122 | Effect.die( |
| 2123 | missingProviderError(node.old.resourceType, node.fqn), |
| 2124 | ), |
| 2125 | onSome: Effect.succeed, |
| 2126 | }), |
| 2127 | ), |
| 2128 | ), |
| 2129 | providerMode: node.old.providerMode, |
| 2130 | }; |
| 2131 | |
| 2132 | const adoptionBlocked = isDeleteNode(node) |
| 2133 | ? node.state.adoptionBlocked |
| 2134 | : node.old.adoptionBlocked; |
| 2135 | // Mutable: an attr-less row (interrupted create) may recover its |
| 2136 | // attributes from `provider.read` below, right before deletion. |
| 2137 | let attr = persistedAttr; |
| 2138 | |
| 2139 | const nextAncestors = new Set(ancestors).add(fqn); |
| 2140 | |
| 2141 | const commit = <S extends ResourceState>(value: Omit<S, "namespace">) => |
| 2142 | state.set({ |
| 2143 | stack: stackName, |
| 2144 | stage, |
| 2145 | fqn, |
| 2146 | // Same rule as the lifecycle commit above: state only stores |
| 2147 | // plain data, never unresolved Output exprs or Effect leaves. |
| 2148 | value: { |
| 2149 | ...value, |
| 2150 | adoptionBlocked: |
| 2151 | value.adoptionBlocked ?? |
| 2152 | (isDeleteNode(node) |
| 2153 | ? node.state.adoptionBlocked |
| 2154 | : node.adoptionBlocked), |
| 2155 | props: stripUnresolved(value.props), |
| 2156 | bindings: stripUnresolved(value.bindings), |
| 2157 | namespace, |
| 2158 | } as S, |
| 2159 | }); |
| 2160 | |
| 2161 | const report = (status: ApplyStatus) => |
| 2162 | session.emit({ |
| 2163 | _tag: "apply.resource.status", |
| 2164 | fqn, |
| 2165 | id: logicalId, |
| 2166 | type: resourceType, |
| 2167 | status, |
| 2168 | providerMode, |
| 2169 | }); |
| 2170 | |
| 2171 | const scopedSession = { |
| 2172 | ...session, |
| 2173 | note: (note, options?) => |
| 2174 | session.emit({ |
| 2175 | fqn, |
| 2176 | id: logicalId, |
| 2177 | _tag: "apply.resource.note", |
| 2178 | message: note, |
| 2179 | kind: options?.kind, |
| 2180 | }), |
| 2181 | } satisfies ScopedPlanStatusSession; |
| 2182 | |
| 2183 | return yield* (deletions[fqn] ??= yield* Effect.cached( |
| 2184 | Effect.gen(function* () { |
| 2185 | // Dependents (`downstream`) are deleted before this resource. A |
| 2186 | // dependent whose delete failed (or was itself blocked) may make |
| 2187 | // this resource legitimately undeletable (dependency violation), |
| 2188 | // so it is skipped with a "blocked by" note instead of surfacing |
| 2189 | // a spurious second error. |
| 2190 | const dependents = yield* Effect.all( |
| 2191 | downstream.map((dep) => |
| 2192 | dep !== fqn && !ancestors.has(dep) |
| 2193 | ? dep in deletionGraph |
| 2194 | ? deleteResource( |
| 2195 | deletionGraph[dep] as Delete | ReplacementResourceState, |
| 2196 | nextAncestors, |
| 2197 | ).pipe(Effect.map((outcome) => ({ dep, outcome }))) |
| 2198 | : // Not in this pass's graph — but it may have failed in |
| 2199 | // an earlier drain pass of the same destroy. |
| 2200 | Effect.sync(() => ({ |
| 2201 | dep, |
| 2202 | outcome: unresolved.has(dep) |
| 2203 | ? ("failed" as const) |
| 2204 | : ("deleted" as const), |
| 2205 | })) |
| 2206 | : Effect.succeed({ dep, outcome: "deleted" as const }), |
| 2207 | ), |
| 2208 | { concurrency: "unbounded" }, |
| 2209 | ); |
| 2210 | |
| 2211 | const blockedBy = dependents |
| 2212 | .filter( |
| 2213 | ({ outcome }) => outcome === "failed" || outcome === "blocked", |
| 2214 | ) |
| 2215 | .map(({ dep }) => dep); |
| 2216 | |
| 2217 | if (blockedBy.length > 0) { |
| 2218 | unresolved.add(fqn); |
| 2219 | blockedDeletes.push({ |
| 2220 | fqn, |
| 2221 | logicalId, |
| 2222 | resourceType, |
| 2223 | blockedBy, |
| 2224 | }); |
| 2225 | yield* scopedSession.note( |
| 2226 | `Skipping delete — blocked by failed delete of ${blockedBy.join(", ")}.`, |
| 2227 | ); |
| 2228 | yield* report("skipped"); |
| 2229 | return "blocked" as const; |
| 2230 | } |
| 2231 | |
| 2232 | if ( |
| 2233 | dependents.some( |
| 2234 | ({ outcome }) => |
| 2235 | outcome === "deferred" || |
| 2236 | (isDeleteNode(node) && outcome === "pending"), |
| 2237 | ) |
| 2238 | ) { |
| 2239 | // Even GC must wait when the dependent's physical delete has not run. |
| 2240 | return "deferred" as const; |
| 2241 | } |
| 2242 | |
| 2243 | return yield* deleteResourceBody().pipe( |
| 2244 | Effect.catchCause((cause) => |
| 2245 | Effect.gen(function* () { |
| 2246 | unresolved.add(fqn); |
| 2247 | failures.push({ fqn, logicalId, resourceType, cause }); |
| 2248 | yield* report("fail"); |
| 2249 | return "failed" as const; |
| 2250 | }), |
| 2251 | ), |
| 2252 | ); |
| 2253 | }), |
| 2254 | )); |
| 2255 | |
| 2256 | function deleteResourceBody() { |
| 2257 | return Effect.gen(function* () { |
| 2258 | if (isDeleteNode(node)) { |
| 2259 | yield* report( |
| 2260 | node.action === "orphaned" ? "orphaning" : "deleting", |
| 2261 | ); |
| 2262 | if (node.action === "orphaned") { |
| 2263 | yield* state.delete({ |
| 2264 | stack: stackName, |
| 2265 | stage, |
| 2266 | fqn, |
| 2267 | }); |
| 2268 | yield* report("orphaned"); |
| 2269 | delete pendingDeletes[fqn]; |
| 2270 | // Retention is intentional — it never blocks dependencies. |
| 2271 | return "deleted" as const; |
| 2272 | } |
| 2273 | } |
| 2274 | |
| 2275 | // Honor `retain` for the old generation of a replacement, mirroring |
| 2276 | // the orphan-delete path above. Delete-node retain is already |
| 2277 | // handled with an early return; this guards the replaced |
| 2278 | // old-generation physical delete. |
| 2279 | const retainOldGeneration = |
| 2280 | !isDeleteNode(node) && node.removalPolicy === "retain"; |
| 2281 | |
| 2282 | if (retainOldGeneration) { |
| 2283 | yield* scopedSession.note( |
| 2284 | "Retaining replaced resource (removal policy: retain)...", |
| 2285 | ); |
| 2286 | } |
| 2287 | |
| 2288 | // A row can reach deletion with `attr === undefined` when a create |
| 2289 | // was interrupted after the cloud-side call succeeded but before |
| 2290 | // `reconcile` returned Attributes (a `creating` row — or the old |
| 2291 | // generation of a replacement chain in the same predicament). |
| 2292 | // Skipping the provider's delete outright would silently orphan |
| 2293 | // the physical resource, so ask `read` to look it up from the |
| 2294 | // persisted props (providers derive the deterministic physical |
| 2295 | // name from id/props): |
| 2296 | // - plain attrs → exists and is ours; proceed to delete |
| 2297 | // - Unowned(attrs) → exists but is NOT ours (e.g. our create |
| 2298 | // actually lost a name race, or died before |
| 2299 | // stamping ownership) — never delete a |
| 2300 | // foreign resource; drop our state and say so |
| 2301 | // - undefined → nothing exists; dropping state is safe |
| 2302 | if (attr === undefined && !retainOldGeneration) { |
| 2303 | if (adoptionBlocked === "migrated-fqn") { |
| 2304 | yield* scopedSession.note( |
| 2305 | "Skipping recovery of a reused FQN: a lookup could find its " + |
| 2306 | "migrated predecessor. Any interrupted new physical " + |
| 2307 | "resource must be identified and cleaned up manually.", |
| 2308 | ); |
| 2309 | } else if (provider.read) { |
| 2310 | const recovered = yield* provider |
| 2311 | .read({ |
| 2312 | id: logicalId, |
| 2313 | fqn, |
| 2314 | instanceId, |
| 2315 | olds: props as never, |
| 2316 | output: undefined, |
| 2317 | }) |
| 2318 | .pipe( |
| 2319 | instrumentLifecycle( |
| 2320 | "read", |
| 2321 | fqn, |
| 2322 | resourceType, |
| 2323 | logicalId, |
| 2324 | instanceId, |
| 2325 | ), |
| 2326 | // The persisted props of an interrupted create can carry |
| 2327 | // holes where unresolved Outputs were stripped at commit |
| 2328 | // time (see stripUnresolved) — e.g. a parent reference |
| 2329 | // persisted as `{}`. A provider that dereferences one |
| 2330 | // crashes deep inside its SDK client (a SchemaError |
| 2331 | // defect), which would make the stage impossible to |
| 2332 | // destroy. Recovery is best-effort: degrade the defect |
| 2333 | // to "nothing recovered", surface a note, and let the |
| 2334 | // row be dropped (#995). |
| 2335 | Effect.catchDefect((defect) => |
| 2336 | scopedSession |
| 2337 | .note( |
| 2338 | "Recovery read crashed while looking up this " + |
| 2339 | "resource's interrupted create " + |
| 2340 | `(${String(defect)}) — if a physical resource ` + |
| 2341 | "was created, it must be cleaned up manually.", |
| 2342 | ) |
| 2343 | .pipe(Effect.as(undefined)), |
| 2344 | ), |
| 2345 | ); |
| 2346 | if (recovered !== undefined) { |
| 2347 | if (Unowned.is(recovered)) { |
| 2348 | yield* scopedSession.note( |
| 2349 | "Resource exists in the cloud but is not owned by this " + |
| 2350 | "stack — leaving it in place (re-deploy with --adopt " + |
| 2351 | "to take ownership, then destroy).", |
| 2352 | ); |
| 2353 | } else { |
| 2354 | attr = stripUnowned(recovered as Record<string, any>); |
| 2355 | } |
| 2356 | } |
| 2357 | } else { |
| 2358 | yield* scopedSession.note( |
| 2359 | "No attributes were recorded for this resource (its create " + |
| 2360 | "was interrupted) and the provider does not implement " + |
| 2361 | "`read` — if a physical resource was created, it must be " + |
| 2362 | "cleaned up manually.", |
| 2363 | ); |
| 2364 | } |
| 2365 | } |
| 2366 | |
| 2367 | if (isDeleteNode(node)) { |
| 2368 | yield* commit<DeletingResourceState>({ |
| 2369 | status: "deleting", |
| 2370 | fqn, |
| 2371 | logicalId, |
| 2372 | instanceId, |
| 2373 | resourceType, |
| 2374 | props, |
| 2375 | attr, |
| 2376 | downstream, |
| 2377 | providerVersion: provider.version ?? 0, |
| 2378 | bindings: excludeDeletedBindings(node.bindings), |
| 2379 | removalPolicy: node.resource.RemovalPolicy, |
| 2380 | providerMode, |
| 2381 | adoptionBlocked, |
| 2382 | }); |
| 2383 | } |
| 2384 | |
| 2385 | if (attr !== undefined && !retainOldGeneration) { |
| 2386 | yield* provider |
| 2387 | .delete({ |
| 2388 | id: logicalId, |
| 2389 | fqn, |
| 2390 | instanceId, |
| 2391 | olds: props as never, |
| 2392 | output: attr, |
| 2393 | session: scopedSession, |
| 2394 | bindings: [], |
| 2395 | }) |
| 2396 | .pipe( |
| 2397 | instrumentLifecycle( |
| 2398 | "delete", |
| 2399 | fqn, |
| 2400 | resourceType, |
| 2401 | logicalId, |
| 2402 | instanceId, |
| 2403 | ), |
| 2404 | ); |
| 2405 | } |
| 2406 | |
| 2407 | if (isDeleteNode(node)) { |
| 2408 | yield* state.delete({ |
| 2409 | stack: stackName, |
| 2410 | stage, |
| 2411 | fqn, |
| 2412 | }); |
| 2413 | yield* report("deleted"); |
| 2414 | } else { |
| 2415 | if (!retainOldGeneration) { |
| 2416 | yield* scopedSession.note("Cleaning up replaced resource..."); |
| 2417 | } |
| 2418 | if ( |
| 2419 | node.old.status === "replacing" || |
| 2420 | node.old.status === "replaced" |
| 2421 | ) { |
| 2422 | const remaining: ReplacementResourceState = { |
| 2423 | ...node, |
| 2424 | bindings: excludeDeletedBindings(node.bindings), |
| 2425 | old: node.old.old, |
| 2426 | }; |
| 2427 | yield* commit(remaining); |
| 2428 | } else { |
| 2429 | // Precreate attributes do not mean the replacement reconcile completed. |
| 2430 | yield* commit<CreatedResourceState | CreatingResourceState>({ |
| 2431 | ...(node.status === "replacing" |
| 2432 | ? { status: "creating" as const, attr: node.attr } |
| 2433 | : { status: "created" as const, attr: node.attr }), |
| 2434 | fqn, |
| 2435 | logicalId: node.logicalId, |
| 2436 | instanceId: node.instanceId, |
| 2437 | resourceType: node.resourceType, |
| 2438 | props: node.props, |
| 2439 | providerVersion: node.providerVersion, |
| 2440 | downstream: node.downstream, |
| 2441 | bindings: excludeDeletedBindings(node.bindings), |
| 2442 | removalPolicy: node.removalPolicy, |
| 2443 | providerMode: node.providerMode, |
| 2444 | }); |
| 2445 | } |
| 2446 | yield* scopedSession.note( |
| 2447 | retainOldGeneration |
| 2448 | ? "Replaced resource retained." |
| 2449 | : "Replaced resource cleanup complete.", |
| 2450 | ); |
| 2451 | } |
| 2452 | if (isDeleteNode(node)) { |
| 2453 | delete pendingDeletes[fqn]; |
| 2454 | return "deleted" as const; |
| 2455 | } |
| 2456 | return node.old.status === "replacing" || |
| 2457 | node.old.status === "replaced" || |
| 2458 | pendingDeletes[fqn] !== undefined |
| 2459 | ? ("pending" as const) |
| 2460 | : ("deleted" as const); |
| 2461 | }); |
| 2462 | } |
| 2463 | }); |
| 2464 | |
| 2465 | // Attempt every root. Per-node failures were recorded (and their state |
| 2466 | // retained) inside each node's delete effect — the effects resolve to |
| 2467 | // outcomes and never fail, so one bad resource never interrupts sibling |
| 2468 | // deletions mid-flight. |
| 2469 | yield* Effect.all( |
| 2470 | Object.values(deletionGraph) |
| 2471 | .filter((node) => node !== undefined) |
| 2472 | .map((node) => deleteResource(node)), |
| 2473 | { concurrency: "unbounded" }, |
| 2474 | ); |
| 2475 | }); |
| 2476 | |
| 2477 | // Drain one old generation per FQN per pass, preserving that generation's |
| 2478 | // dependency edges. Planned deletions remain queued until their chains drain. |
| 2479 | while (true) { |
| 2480 | const remainingReplacedResources = (yield* state.getReplacedResources({ |
| 2481 | stack: stackName, |
| 2482 | stage, |
| 2483 | })).filter( |
| 2484 | (replaced) => |
| 2485 | !unresolved.has(replaced.fqn) && |
| 2486 | (plan.selectedFqns === undefined || |
| 2487 | plan.selectedFqns.has(replaced.fqn)), |
| 2488 | ); |
| 2489 | const deletionGraph: Record< |
| 2490 | string, |
| 2491 | Delete | ReplacementResourceState | undefined |
| 2492 | > = Object.fromEntries( |
| 2493 | remainingReplacedResources.map((replaced) => [replaced.fqn, replaced]), |
| 2494 | ); |
| 2495 | for (const [fqn, node] of Object.entries(pendingDeletes)) { |
| 2496 | if (node === undefined || unresolved.has(fqn)) continue; |
| 2497 | const current = yield* state.get({ stack: stackName, stage, fqn }); |
| 2498 | if (current === undefined) { |
| 2499 | delete pendingDeletes[fqn]; |
| 2500 | } else if (current.kind !== "action") { |
| 2501 | deletionGraph[fqn] = |
| 2502 | node.action !== "orphaned" && |
| 2503 | (current.status === "replacing" || current.status === "replaced") |
| 2504 | ? current |
| 2505 | : { ...node, state: current, downstream: current.downstream }; |
| 2506 | } |
| 2507 | } |
| 2508 | if (Object.keys(deletionGraph).length === 0) break; |
| 2509 | yield* deleteGraph(deletionGraph); |
| 2510 | } |
| 2511 | |
| 2512 | if (failures.length > 0) { |
| 2513 | // Every independent delete was still attempted; now surface everything |
| 2514 | // that went wrong (and everything skipped as a consequence) as one |
| 2515 | // typed aggregate. The destroy as a whole still fails. |
| 2516 | return yield* Effect.fail( |
| 2517 | new DestroyError({ failures, blocked: blockedDeletes }), |
| 2518 | ); |
| 2519 | } |
| 2520 | }); |
| 2521 | |
| 2522 | const excludeDeletedBindings = ( |
| 2523 | bindings: ReadonlyArray<ResourceBinding & { action?: string }>, |
| 2524 | ): ResourceBinding[] => |
| 2525 | bindings.flatMap(({ action, sid, data }) => |
| 2526 | action === "delete" ? [] : [{ sid, data }], |
| 2527 | ); |
| 2528 | |
| 2529 | /** Order-insensitive equality of two FQN lists. */ |
| 2530 | const sameSet = (a: ReadonlyArray<string>, b: ReadonlyArray<string>) => { |
| 2531 | const sa = new Set(a); |
| 2532 | return sa.size === new Set(b).size && b.every((fqn) => sa.has(fqn)); |
| 2533 | }; |