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TypeScript
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305import * as Effect from "effect/Effect";import { loadControlPlaneConfig } from "../configuration/control-plane.ts";import { HEALTH_PURPOSE } from "../shared/bridge.ts";import { verifyUpgradeIdentity } from "./artifact.ts";import { signBridgeAssertion } from "./bridge.ts";import { customerArtifact, type ArtifactLoader } from "./catalog.ts";import type { CloudflareFetch } from "./cloudflare.ts";import type { Env } from "./config.ts";import { random } from "./crypto.ts";import { runtimeConfiguration } from "./deployment-config.ts";import { AccountDenied, ArtifactUnavailable, ReauthorizationRequired, RecoveryRequired, ResourceConflict, SetupRequired, TemporarilyUnavailable,} from "./deployment-errors.ts";import { Deployment } from "./deployment.ts";import { InstallationConflict, InstallationNotFound,} from "./installation-errors.ts";import { sameRelease, type ReleaseIdentity } from "./installation-metadata.ts";import { installationRegistry } from "./registry-client.ts";import { selectedDeploymentGrant, vault } from "./session.ts";import { ensureWorkflow, terminateWorkflow } from "./workflow-instance.ts";
export type InstallationCommand = | { action: "start" } | { action: "recover" } | { action: "upgrade"; target: ReleaseIdentity };
// This request only starts/repairs native background execution. The browser// never holds the deployment lease and never has to poll to keep it running.export function startInstallation( request: Request, env: Env, id: string, requestId: string, network: CloudflareFetch = fetch, artifactLoader: ArtifactLoader = customerArtifact, command: InstallationCommand = { action: "start" },) { return Effect.gen(function* () { const recover = command.action === "recover"; const upgrade = command.action === "upgrade"; const target = command.action === "upgrade" ? command.target : null; const { principal, grant } = yield* selectedDeploymentGrant( request, env, network, ); const registry = installationRegistry(env, principal.subject); let current = yield* registry.get(principal.subject, id); if (!current) return yield* new InstallationNotFound(); if (current.accountId !== principal.selectedAccountId) return yield* new AccountDenied(); if (recover && current.status === "ready") return current; const cp = loadControlPlaneConfig(env).config; if (!cp.bridge) return yield* new SetupRequired(); const replay = yield* registry.replay(principal.subject, id, requestId); if (replay) { const previous = yield* registry.operation(principal.subject, id); if ( !!previous?.upgrade !== (upgrade || !!(recover && current.installedRelease)) || (target && !sameRelease(target, current.desiredRelease)) ) return yield* new InstallationConflict(); if (current.status === "ready") return current; } const upgrading = upgrade || !!(recover && current.installedRelease); if (upgrading && !current.installedRelease) return yield* new InstallationConflict(); if (!upgrading && current.installedRelease) return yield* new InstallationConflict(); const freshUpgrade = upgrading && current.status === "ready" && !replay; const artifact = yield* artifactLoader( freshUpgrade ? (target ?? undefined) : (current.desiredRelease ?? undefined), ); if ( freshUpgrade && sameRelease(current.installedRelease, artifact.identity) ) return current; if ( !freshUpgrade && current.desiredRelease && !sameRelease(current.desiredRelease, artifact.identity) ) return yield* new ArtifactUnavailable(); if (target && !sameRelease(target, artifact.identity)) return yield* new InstallationConflict(); yield* signBridgeAssertion(env, { aud: cp.publicOrigin, sub: principal.subject, installationId: id, purpose: HEALTH_PURPOSE, state: random(), challenge: random(), operationId: id, artifactDigest: artifact.identity.artifactDigest, version: artifact.identity.version, }).pipe(Effect.mapError(() => new SetupRequired())); if (grant.expiresAt <= Date.now() + 120_000) return yield* new ReauthorizationRequired(); if (upgrading) { yield* verifyUpgradeIdentity(current.installedRelease!, artifact); } if ( recover && !replay && ["installing", "updating"].includes(current.status) ) { const interruptedId = current.operationId!; const termination = yield* terminateWorkflow(env, interruptedId).pipe( Effect.as(null), Effect.catch((error) => Effect.succeed(error)), ); if (termination) { const completed = yield* registry.get(principal.subject, id); if ( completed?.operationId === interruptedId && completed.status === "ready" ) return completed; if (!termination.missing) return yield* new TemporarilyUnavailable(); } // Termination cannot retract a remote write. Preserve all intent; only the // native execution is stopped. A ready commit racing termination wins. current = yield* registry.get(principal.subject, id); if (!current || current.operationId !== interruptedId) return yield* new InstallationConflict(); if (current.status === "ready") return current; if (["installing", "updating"].includes(current.status)) current = yield* registry.update( principal.subject, id, current.revision, { operationId: interruptedId, status: "failed", errorCode: "recovery_required", }, ); } const previousOperation = yield* registry.operation(principal.subject, id); let baseline = upgrading ? (previousOperation?.upgrade ?? null) : null; if (upgrading) { const source = current.installedRelease!; yield* verifyUpgradeIdentity(source, artifact); if (freshUpgrade) { const oldIntent = previousOperation?.workerIntent; if (!oldIntent?.configDigest) return yield* new ResourceConflict(); baseline = yield* new Deployment( grant.accessToken, current, network, ).baseline( source, artifact, oldIntent.operationId, oldIntent.configDigest, ); } if ( !baseline || !sameRelease(baseline.fromRelease, source) || !sameRelease(baseline.toRelease, artifact.identity) ) return yield* new ResourceConflict(); } const previousAuthorization = current.operationId ? yield* vault(env, "operation", current.operationId).operation({ subject: principal.subject, accountId: current.accountId, installationId: id, operationId: current.operationId, }) : null; let recovery: { expectedRevision: number; clearWorker: boolean; clearContainer: boolean; clearRollout: boolean; } | null = null; if (recover && current.status === "failed") { if (current.errorCode !== "recovery_required" || !previousOperation) return yield* new RecoveryRequired(); recovery = { expectedRevision: current.revision, clearWorker: false, clearContainer: false, clearRollout: false, }; const api = new Deployment(grant.accessToken, current, network); const settings = yield* api.worker.settings(); if (upgrading) { if (!settings || !baseline) return yield* new ResourceConflict(); const configured = yield* api.worker.configuration(settings); if ( configured.release?.artifactDigest === baseline.fromRelease.artifactDigest ) { const observed = yield* api.baseline( baseline.fromRelease, artifact, baseline.deployedOperationId, baseline.configDigest, ); if ( observed.sourceCodeHash !== baseline.sourceCodeHash || JSON.stringify(observed) !== JSON.stringify(baseline) ) return yield* new ResourceConflict(); recovery.clearWorker = !!previousOperation.workerIntent; } else { if (!previousOperation.workerIntent) return yield* new ResourceConflict(); const observed = yield* api.observe( artifact, previousOperation.workerIntent.operationId, previousOperation.workerIntent.configDigest, ); if (observed.fingerprint !== baseline.fingerprint) return yield* new ResourceConflict(); } } else if (settings) { if (!previousOperation.workerIntent) return yield* new ResourceConflict(); yield* runtimeConfiguration( env, current, artifact, previousOperation.workerIntent.operationId, ).pipe( Effect.flatMap((config) => api.worker.verifyWorker(settings, config)), ); yield* api.worker.verifyContent(artifact); } else if (previousOperation.workerIntent) { if ( current.resources.personalAgentNamespaceId || current.resources.sandboxNamespaceId ) return yield* new ResourceConflict(); recovery.clearWorker = true; } if (current.resources.sandboxNamespaceId) { const app = yield* api.containers.findApplication(); if (!app && previousOperation.containerIntent) recovery.clearContainer = true; if (app && previousOperation.rolloutIntent) { recovery.clearRollout = yield* api.containers .rollout( app, artifact, previousOperation.rolloutIntent, false, previousOperation.rolloutId, ) .pipe( Effect.as(false), Effect.catchTag("RecoveryRequired", () => Effect.succeed(true)), ); } } } const { installation, operation } = yield* registry.start( principal.subject, id, principal.selectedAccountId!, requestId, artifact.identity, Math.min(Date.now() + 20 * 60_000, grant.expiresAt - 60_000), recovery, baseline, ); if (!["installing", "updating"].includes(installation.status)) return installation; // Native services cannot share a transaction. The registry replay survives // both missing vault creation and an ambiguous Workflow.create response. yield* vault(env, "operation", operation.operationId).createOperation({ subject: principal.subject, accountId: installation.accountId, installationId: id, operationId: operation.operationId, grantRef: principal.grantRef, expiresAt: operation.deadline, bootstrapSecret: upgrading ? null : (previousAuthorization?.bootstrapSecret ?? random()), }); yield* ensureWorkflow(env, operation.operationId, { ownerSubject: principal.subject, installationId: id, operationId: operation.operationId, }).pipe(Effect.mapError(() => new TemporarilyUnavailable())); return installation; });}