From ff7147296b7f0e69eecbc41020f04a91b4ca8092 Mon Sep 17 00:00:00 2001 From: Paul Hitt Date: Mon, 28 Sep 2026 14:44:28 -0400 Subject: [PATCH] First public release Co-Authored-By: Claude Opus 5.5 --- .editorconfig | 12 + .gitignore | 9 + .gitlab-ci.yml | 6 + CHANGELOG.md | 16 + CONTRIBUTING.md | 21 + LICENSE | 21 + README.md | 86 +++ SECURITY.md | 11 + package-lock.json | 1504 +++++++++++++++++++++++++++++++++++++++ package.json | 46 ++ src/index.ts | 282 ++++++++ test/self-serve.test.ts | 159 +++++ tsconfig.cjs.json | 9 + tsconfig.json | 8 + 14 files changed, 2190 insertions(+) create mode 100644 .editorconfig create mode 100644 .gitignore create mode 100644 .gitlab-ci.yml create mode 100644 CHANGELOG.md create mode 100644 CONTRIBUTING.md create mode 100644 LICENSE create mode 100644 README.md create mode 100644 SECURITY.md create mode 100644 package-lock.json create mode 100644 package.json create mode 100644 src/index.ts create mode 100644 test/self-serve.test.ts create mode 100644 tsconfig.cjs.json create mode 100644 tsconfig.json diff --git a/.editorconfig b/.editorconfig new file mode 100644 index 0000000..f15441a --- /dev/null +++ b/.editorconfig @@ -0,0 +1,12 @@ +root = true + +[*] +charset = utf-8 +end_of_line = lf +insert_final_newline = true +trim_trailing_whitespace = true +indent_style = space +indent_size = 2 + +[*.md] +trim_trailing_whitespace = false diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..dbb0173 --- /dev/null +++ b/.gitignore @@ -0,0 +1,9 @@ +node_modules/ +dist/ +*.log +.DS_Store +.env +.env.* +!.env.example +.npmrc +dist-cjs/ diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml new file mode 100644 index 0000000..e5a37d2 --- /dev/null +++ b/.gitlab-ci.yml @@ -0,0 +1,6 @@ +stages: [test] + +test: + stage: test + image: node:22-alpine + script: [npm ci, npm run build, npm test] diff --git a/CHANGELOG.md b/CHANGELOG.md new file mode 100644 index 0000000..cd882fb --- /dev/null +++ b/CHANGELOG.md @@ -0,0 +1,16 @@ +# Changelog + +## 0.1.0 - 2026-09-28 + +First public release under MIT. + +- `assessService()` and `formatService()` assess whether self-service + provisioning is safe to run. The library gates provisioning; it does not + perform it. +- A disabled worker is NOT ASSESSED, and an enabled worker that has never + completed a real tenant gets its own finding. +- `preflight()` fails when no capacity limits are declared, and checks the + host ceiling, the per-account ceiling and a post-provision disk floor. + Unmeasured disk is NOT ASSESSED. +- `stuckJobs()` finds jobs claimed past a time window. +- Unverified reachability is NOT ASSESSED. diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md new file mode 100644 index 0000000..afb0574 --- /dev/null +++ b/CONTRIBUTING.md @@ -0,0 +1,21 @@ +# Contributing + +Issues and merge requests are welcome at +https://gitlab.com/extant2000/self-serve. + +## Ground rules + +- A test that cannot fail proves nothing. If you fix a bug, add a test and + check that it fails against the unfixed code before you submit. +- Measure, don't assume. Two modules with the same line count can still be + different programs. +- Keep dependencies minimal. Every new runtime dependency needs a reason. +- Explain why in comments, not what. The what is already in the code. +- A breaking change needs a major version bump and a note in CHANGELOG.md. + +## Before you open a merge request + +Run both of these and make sure they pass: + + npm run build + npm test diff --git a/LICENSE b/LICENSE new file mode 100644 index 0000000..34e49b1 --- /dev/null +++ b/LICENSE @@ -0,0 +1,21 @@ +MIT License + +Copyright (c) 2026 Extant 2000 LLC + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in all +copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE +SOFTWARE. diff --git a/README.md b/README.md new file mode 100644 index 0000000..8d2cfe9 --- /dev/null +++ b/README.md @@ -0,0 +1,86 @@ +# SelfServe + +Decide whether self-service tenant provisioning is safe to run, and whether +the job queue running it is healthy. + +SelfServe does not provision anything. It is the gate around a provisioning +worker you already have, for example one that claims jobs with +`FOR UPDATE SKIP LOCKED`, renders a per-tenant stack, starts it and wires +DNS. Reimplementing that worker would be duplication. The missing half is the +part that decides whether to let it run, which is the part that keeps +self-service from turning into an outage. + +It is pure, with no clock and no I/O. `now` is a parameter. + +## What it checks and why + +1. Dormant is not proven. Built, enabled and proven in production are three + separate states. A worker that is switched off is NOT ASSESSED, never + ready, and an enabled worker that has never completed a real tenant gets + its own finding. Until one tenant has gone end to end, the first customer + is the integration test. +2. Self-service with no ceiling is a denial of service you run against + yourself. If every tenant is a stack on one host, a signup loop with no + quota fills that host, and a full disk on a shared host wedges every + container, not only the new one. Declaring no limits at all is a critical + failure: a quota that was never set is not unlimited, it is unconsidered. + `preflight()` also checks the host ceiling, the per-account ceiling and + the free disk left after provisioning. Unmeasured disk, or a stack with no + size estimate, is NOT ASSESSED. An unmeasured resource is not a plentiful + one. +3. A claimed job looks like progress. With `SKIP LOCKED` claiming, a worker + that dies mid-job leaves the job claimed forever. It is not queued, not + failed, and nothing retries it, so no dashboard alarms on it. + `stuckJobs()` finds jobs claimed for longer than a window (15 minutes by + default). +4. Provisioned is not reachable. DNS wired and the stack up is not the same + as the tenant's URL serving. Without a post-provision probe, the first + person to discover a broken tenant is the tenant. + +## Usage + +```ts +import { assessService, formatService, preflight, stuckJobs, type Job } from '@extant2000/self-serve' + +const jobs: Job[] = [ + { id: 'j7', state: 'claimed', claimedAt: '2026-09-28T11:00:00Z', claimedBy: 'worker-1', where: 'jobs table' }, + { id: 'j8', state: 'queued', where: 'jobs table' }, +] + +const report = assessService( + { workerEnabled: true, provenInProduction: false, verifiesReachability: true }, + { + now: '2026-09-28T12:00:00Z', + request: { account: 'acme', tenantName: 'acme-prod', existingForAccount: 1, estimatedDiskBytes: 2e9, where: 'jobs table, j8' }, + host: { tenants: 10, freeDiskBytes: null, where: 'df -P /data' }, + limits: { maxTenants: 50, maxPerAccount: 3, minFreeDiskBytes: 10e9 }, + jobs, + }, +) + +for (const f of report.findings) console.log(`${f.determination.padEnd(13)} ${f.id}: ${f.summary}`) +``` + +`assessService()` returns a `CapabilityReport` from +`@extant2000/evidence-record`, and `formatService()` renders it for a +terminal or CI log. `preflight()` and `stuckJobs()` can be used on their own. + +## Sample output + +Produced by running the example above: + +``` +not-assessed worker/unproven: The worker is enabled but has never completed a real tenant +not-assessed capacity/disk: Disk headroom after provisioning cannot be computed +fail job/j7: job j7 has been claimed by worker-1 since 2026-09-28T11:00:00Z +``` + +## Install + +``` +npm install @extant2000/self-serve +``` + +## License + +MIT. Copyright (c) 2026 Extant 2000 LLC. See [LICENSE](LICENSE). diff --git a/SECURITY.md b/SECURITY.md new file mode 100644 index 0000000..5fd4f2c --- /dev/null +++ b/SECURITY.md @@ -0,0 +1,11 @@ +# Security policy + +## Reporting a vulnerability + +Please report vulnerabilities privately by email to security@extant2000.com. +Do not open a public issue or merge request for a security problem. + +Include the affected version, a description of the issue, and steps or a test +that reproduce it if you have them. + +We aim to acknowledge every report within 5 business days. diff --git a/package-lock.json b/package-lock.json new file mode 100644 index 0000000..ff59a5d --- /dev/null +++ b/package-lock.json @@ -0,0 +1,1504 @@ +{ + "name": "@extant2000/self-serve", + "version": "0.1.0", + "lockfileVersion": 3, + "requires": true, + "packages": { + "": { + "name": "@extant2000/self-serve", + "version": "0.1.0", + "license": "MIT", + "dependencies": { + "@extant2000/evidence-record": "^0.1.2" + }, + "devDependencies": { + "typescript": 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"0.1.0", + "private": false, + "description": "Partner-initiated provisioning with no engineer in the loop.", + "license": "MIT", + "type": "module", + "main": "./dist-cjs/index.js", + "files": [ + "dist", + "dist-cjs", + "src", + "README.md", + "LICENSE" + ], + "repository": { + "type": "git", + "url": "https://gitlab.com/extant2000/self-serve.git" + }, + "module": "./dist/index.js", + "types": "./dist/index.d.ts", + "exports": { + ".": { + "types": "./dist/index.d.ts", + "import": "./dist/index.js", + "require": "./dist-cjs/index.js" + } + }, + "scripts": { + "build": "tsc && tsc -p tsconfig.cjs.json && node -e \"require('fs').writeFileSync('dist-cjs/package.json', JSON.stringify({type:'commonjs'}))\"", + "test": "vitest run", + "prepublishOnly": "npm run build" + }, + "devDependencies": { + "typescript": "^5.6.0", + "vitest": "^2.1.0" + }, + "dependencies": { + "@extant2000/evidence-record": "^0.1.2" + }, + "author": "Extant 2000 LLC", + "homepage": "https://gitlab.com/extant2000/self-serve", + "bugs": { + "url": "https://gitlab.com/extant2000/self-serve/-/issues" + } +} diff --git a/src/index.ts b/src/index.ts new file mode 100644 index 0000000..771f780 --- /dev/null +++ b/src/index.ts @@ -0,0 +1,282 @@ +/** + * SelfServe — decide whether partner-initiated provisioning is safe to run, + * and whether the queue running it is actually healthy. + * + * **This does not provision anything.** It assumes a provisioning worker + * that already exists (one that claims jobs via `FOR UPDATE SKIP LOCKED`, + * renders a per-tenant compose stack, brings it up and wires DNS). + * Reimplementing that here would be duplication. What is missing is the half that decides whether to let it + * run — which is the half that keeps self-service from being an outage. + * + * Four checks, each from a property of that kind of deployment: + * + * 1. **Dormant is not proven.** The worker ships behind + * `DISABLE_PROVISION_WORKER=1`. Built, enabled, and proven in production + * are three states, and reporting a dormant capability as ready is how + * the first real tenant becomes the test. + * + * 2. **Self-serve without a ceiling is a denial of service you run against + * yourself.** Every tenant is a compose stack on one host. A signup loop + * with no quota fills the host, and on a shared host a full disk wedges + * every container, not only the new one. + * + * 3. **A claimed job looks like progress.** `SKIP LOCKED` means a worker + * that dies mid-job leaves that job claimed forever. Not queued, not + * failed, nothing retrying it — the one state no dashboard alarms on. + * + * 4. **Provisioned is not reachable.** DNS wired and the stack up is not + * the same as the tenant's URL serving. + * + * Pure: no clock, no I/O. `now` is a parameter. + */ + +import { + type CapabilityReport, + type Finding, + type FormatOptions, + evidence, + formatReport as renderReport, +} from '@extant2000/evidence-record' + +export interface CapacityLimits { + /** Hard ceiling on tenants for this host. */ + maxTenants?: number + /** Ceiling per account, so one account cannot take the host. */ + maxPerAccount?: number + /** Free disk that must REMAIN after provisioning. */ + minFreeDiskBytes?: number +} + +export interface HostState { + tenants: number + /** `null` when not measured — never treated as plentiful. */ + freeDiskBytes: number | null + /** Where these readings came from. */ + where: string +} + +export interface ProvisioningRequest { + account: string + tenantName: string + /** Tenants this account already has. */ + existingForAccount: number + /** Estimated footprint of the new stack. `null` when unknown. */ + estimatedDiskBytes: number | null + where: string +} + +export type JobState = 'queued' | 'claimed' | 'done' | 'failed' + +export interface Job { + id: string + state: JobState + /** ISO 8601, when a worker claimed it. */ + claimedAt?: string + claimedBy?: string + where: string +} + +export interface ServiceState { + /** False when the worker ships dormant behind a kill flag. */ + workerEnabled: boolean + /** True once a real tenant has gone end to end in production. */ + provenInProduction?: boolean + /** Seconds a job may stay claimed before it is presumed abandoned. */ + maxClaimSeconds?: number + /** Whether provisioned tenants are verified reachable afterwards. */ + verifiesReachability?: boolean +} + +const DEFAULT_MAX_CLAIM = 900 + +const fmt = (n: number): string => + n >= 1e9 ? `${(n / 1e9).toFixed(1)} GB` : n >= 1e6 ? `${(n / 1e6).toFixed(0)} MB` : `${n} B` + +/** + * Whether the service may accept a new provisioning request. + * + * The absence of a limit is itself a finding. A quota that was never set is + * not an unlimited quota, it is an unconsidered one — and "unlimited" on a + * single host is not a decision anyone would make deliberately. + */ +export function preflight( + request: ProvisioningRequest, + host: HostState, + limits: CapacityLimits = {}, +): Finding[] { + const out: Finding[] = [] + const cite = evidence.file(host.where, undefined, + `${host.tenants} tenants, ${host.freeDiskBytes === null ? 'disk unmeasured' : `${fmt(host.freeDiskBytes)} free`}`) + + const noLimits = limits.maxTenants === undefined + && limits.maxPerAccount === undefined + && limits.minFreeDiskBytes === undefined + + if (noLimits) { + out.push({ + id: 'capacity/no-limits', + summary: 'No capacity limits are declared', + determination: 'fail', + severity: 'critical', + detail: 'Self-serve provisioning with no ceiling is a denial of service you run against yourself. Every tenant is a stack on one host, and a signup loop fills it — a quota that was never set is not unlimited, it is unconsidered.', + evidence: [cite], + }) + } + + if (limits.maxTenants !== undefined && host.tenants + 1 > limits.maxTenants) { + out.push({ + id: 'capacity/host', + summary: `Host is at ${host.tenants} of ${limits.maxTenants} tenants`, + determination: 'fail', + severity: 'high', + detail: 'Provisioning would exceed the host ceiling.', + evidence: [cite], + }) + } + + if (limits.maxPerAccount !== undefined && request.existingForAccount + 1 > limits.maxPerAccount) { + out.push({ + id: 'capacity/account', + summary: `${request.account} has ${request.existingForAccount} of ${limits.maxPerAccount} allowed tenants`, + determination: 'fail', + severity: 'high', + detail: 'A per-account ceiling is what stops one account taking the host.', + evidence: [evidence.file(request.where, undefined, `account ${request.account}`)], + }) + } + + if (limits.minFreeDiskBytes !== undefined) { + if (host.freeDiskBytes === null || request.estimatedDiskBytes === null) { + out.push({ + id: 'capacity/disk', + summary: 'Disk headroom after provisioning cannot be computed', + determination: 'not-assessed', + severity: 'high', + detail: `${host.freeDiskBytes === null ? 'Free disk was not measured' : 'The new stack has no size estimate'}. An unmeasured resource is not a plentiful one, and a full disk on this host wedges every container, not only the new tenant.`, + evidence: [cite], + }) + } else { + const after = host.freeDiskBytes - request.estimatedDiskBytes + if (after < limits.minFreeDiskBytes) { + out.push({ + id: 'capacity/disk', + summary: `${fmt(after)} free after provisioning, below the ${fmt(limits.minFreeDiskBytes)} floor`, + determination: 'fail', + severity: 'critical', + detail: 'A full disk on this host wedges every container, not only the new tenant.', + evidence: [cite], + }) + } + } + } + + if (out.length === 0) { + out.push({ + id: 'capacity', + summary: `Capacity available for ${request.tenantName}`, + determination: 'pass', + severity: 'info', + evidence: [cite], + }) + } + + return out +} + +/** + * Jobs claimed and never finished. + * + * `SKIP LOCKED` claiming means a worker that dies mid-job leaves that job + * claimed forever: not queued, not failed, nothing retries it. It is the one + * state that looks like progress, which is why nothing alarms on it. + */ +export function stuckJobs(jobs: Job[], now: string, maxClaimSeconds = DEFAULT_MAX_CLAIM): Job[] { + const n = Date.parse(now) + return (jobs ?? []).filter(j => { + if (j.state !== 'claimed' || !j.claimedAt) return false + const t = Date.parse(j.claimedAt) + if (!Number.isFinite(t) || !Number.isFinite(n)) return false + return (n - t) / 1000 > maxClaimSeconds + }) +} + +export interface AssessOptions { + /** ISO 8601. Injected, never read from the clock. */ + now: string + request?: ProvisioningRequest + host?: HostState + limits?: CapacityLimits + jobs?: Job[] +} + +/** Assess whether self-service provisioning is safe to run right now. */ +export function assessService(service: ServiceState, opts: AssessOptions): CapabilityReport { + const findings: Finding[] = [] + const maxClaim = service.maxClaimSeconds ?? DEFAULT_MAX_CLAIM + + if (!service.workerEnabled) { + findings.push({ + id: 'worker/dormant', + summary: 'The provisioning worker is disabled', + determination: 'not-assessed', + severity: 'high', + detail: 'Built, enabled and proven in production are three states. A dormant capability reported as ready is how the first real tenant becomes the test.', + evidence: [evidence.document('DISABLE_PROVISION_WORKER', undefined, undefined, 'the worker ships dormant behind this flag')], + }) + } else if (!service.provenInProduction) { + findings.push({ + id: 'worker/unproven', + summary: 'The worker is enabled but has never completed a real tenant', + determination: 'not-assessed', + severity: 'high', + detail: 'Enabled is not proven. Until one tenant has gone end to end in production, the first customer is the integration test.', + evidence: [], + }) + } + + if (opts.request && opts.host) { + findings.push(...preflight(opts.request, opts.host, opts.limits ?? {})) + } + + const jobs = opts.jobs ?? [] + const stuck = stuckJobs(jobs, opts.now, maxClaim) + for (const j of stuck) { + findings.push({ + id: `job/${j.id}`, + summary: `job ${j.id} has been claimed by ${j.claimedBy ?? 'a worker'} since ${j.claimedAt}`, + determination: 'fail', + severity: 'critical', + detail: `Claimed longer than ${Math.round(maxClaim / 60)} minutes. With SKIP LOCKED claiming, a worker that died mid-job leaves it claimed forever — not queued, not failed, nothing retrying it. It is the one state that looks like progress.`, + evidence: [evidence.record('provisioning_jobs', j.id, 'state', 'claimed', j.where)], + }) + } + + if (service.verifiesReachability !== true) { + findings.push({ + id: 'verify/reachability', + summary: 'Provisioned tenants are not verified reachable', + determination: 'not-assessed', + severity: 'high', + detail: "DNS wired and the stack up is not the same as the tenant's URL serving. Without a post-provision probe, the first person to discover a broken tenant is the tenant.", + evidence: [], + }) + } + + return { + capability: 'SelfServe', + scope: `worker ${service.workerEnabled ? 'enabled' : 'dormant'}, ${jobs.length} job(s) in flight`, + examined: 1 + (opts.request ? 1 : 0) + jobs.length, + findings, + notes: [ + `${stuck.length} stuck job(s) of ${jobs.filter(j => j.state === 'claimed').length} claimed`, + 'This library gates provisioning; it does not perform it — the worker already exists.', + ], + } +} + +/** Render a self-service assessment for a terminal, CI log or review. */ +export function formatService(service: ServiceState, opts: AssessOptions & FormatOptions): string { + return renderReport(assessService(service, opts), opts) +} + +export { DEFAULT_MAX_CLAIM, fmt as formatBytes } diff --git a/test/self-serve.test.ts b/test/self-serve.test.ts new file mode 100644 index 0000000..d10d1c9 --- /dev/null +++ b/test/self-serve.test.ts @@ -0,0 +1,159 @@ +import { describe, expect, it } from 'vitest' +import { overall, validateReport } from '@extant2000/evidence-record' +import { + assessService, + formatService, + preflight, + stuckJobs, + type HostState, + type Job, + type ProvisioningRequest, + type ServiceState, +} from '../src/index.js' + +const NOW = '2026-08-01T12:00:00Z' + +const healthy: ServiceState = { + workerEnabled: true, + provenInProduction: true, + verifiesReachability: true, +} + +const host: HostState = { tenants: 10, freeDiskBytes: 50e9, where: 'df -P /data' } +const request: ProvisioningRequest = { + account: 'acme', tenantName: 'acme-prod', existingForAccount: 1, + estimatedDiskBytes: 2e9, where: 'provisioning_jobs#j1', +} +const limits = { maxTenants: 50, maxPerAccount: 3, minFreeDiskBytes: 10e9 } + +describe('dormant is not proven', () => { + it('reports a disabled worker as not-assessed, never ready', () => { + // Built, enabled and proven in production are three states. + const r = assessService({ ...healthy, workerEnabled: false }, { now: NOW }) + const f = r.findings.find(x => x.id === 'worker/dormant')! + expect(f.determination).toBe('not-assessed') + expect(f.detail).toContain('the first real tenant becomes the test') + expect(overall(r)).toBe('not-assessed') + }) + + it('distinguishes enabled from proven', () => { + const r = assessService({ ...healthy, provenInProduction: false }, { now: NOW }) + const f = r.findings.find(x => x.id === 'worker/unproven')! + expect(f.determination).toBe('not-assessed') + expect(f.detail).toContain('the first customer is the integration test') + }) + + it('says nothing about the worker when it is enabled and proven', () => { + const r = assessService(healthy, { now: NOW }) + expect(r.findings.some(f => f.id.startsWith('worker/'))).toBe(false) + }) +}) + +describe('no ceiling is a denial of service you run against yourself', () => { + it('fails when no limits are declared at all', () => { + // A quota that was never set is not unlimited, it is unconsidered. + const f = preflight(request, host, {})[0]! + expect(f.determination).toBe('fail') + expect(f.severity).toBe('critical') + expect(f.detail).toContain('unlimited, it is unconsidered') + }) + + it('fails at the host ceiling', () => { + expect(preflight(request, { ...host, tenants: 50 }, limits) + .some(f => f.id === 'capacity/host' && f.determination === 'fail')).toBe(true) + }) + + it('fails at the per-account ceiling — one account cannot take the host', () => { + expect(preflight({ ...request, existingForAccount: 3 }, host, limits) + .some(f => f.id === 'capacity/account' && f.determination === 'fail')).toBe(true) + }) + + it('fails when provisioning would drop below the disk floor', () => { + const f = preflight({ ...request, estimatedDiskBytes: 45e9 }, host, limits) + .find(x => x.id === 'capacity/disk')! + expect(f.determination).toBe('fail') + expect(f.detail).toContain('wedges every container') + }) + + it('reports unmeasured disk as not-assessed, never plentiful', () => { + const f = preflight(request, { ...host, freeDiskBytes: null }, limits) + .find(x => x.id === 'capacity/disk')! + expect(f.determination).toBe('not-assessed') + expect(f.detail).toContain('An unmeasured resource is not a plentiful one') + }) + + it('reports an unestimated stack the same way', () => { + const f = preflight({ ...request, estimatedDiskBytes: null }, host, limits) + .find(x => x.id === 'capacity/disk')! + expect(f.determination).toBe('not-assessed') + }) + + it('passes when every limit is satisfied', () => { + const out = preflight(request, host, limits) + expect(out).toHaveLength(1) + expect(out[0]!.determination).toBe('pass') + }) +}) + +describe('a claimed job looks like progress', () => { + const job = (p: Partial = {}): Job => + ({ id: 'j1', state: 'claimed', claimedAt: '2026-08-01T11:00:00Z', claimedBy: 'worker-1', where: 'db', ...p }) + + it('finds a job claimed past the limit', () => { + // SKIP LOCKED means a dead worker leaves it claimed forever: not queued, + // not failed, nothing retrying it. + expect(stuckJobs([job()], NOW, 900)).toHaveLength(1) + const r = assessService(healthy, { now: NOW, jobs: [job()] }) + const f = r.findings.find(x => x.id === 'job/j1')! + expect(f.determination).toBe('fail') + expect(f.severity).toBe('critical') + expect(f.detail).toContain('the one state that looks like progress') + }) + + it('leaves a recently claimed job alone', () => { + expect(stuckJobs([job({ claimedAt: '2026-08-01T11:55:00Z' })], NOW, 900)).toHaveLength(0) + }) + + it('ignores queued, done and failed jobs', () => { + for (const state of ['queued', 'done', 'failed'] as const) { + expect(stuckJobs([job({ state })], NOW, 900)).toHaveLength(0) + } + }) + + it('honours a custom claim window', () => { + expect(stuckJobs([job()], NOW, 7200)).toHaveLength(0) + expect(stuckJobs([job()], NOW, 600)).toHaveLength(1) + }) +}) + +describe('provisioned is not reachable', () => { + it('reports unverified reachability as not-assessed', () => { + const r = assessService({ ...healthy, verifiesReachability: false }, { now: NOW }) + const f = r.findings.find(x => x.id === 'verify/reachability')! + expect(f.determination).toBe('not-assessed') + expect(f.detail).toContain('the first person to discover a broken tenant is the tenant') + }) + + it('says nothing when reachability is verified', () => { + expect(assessService(healthy, { now: NOW }).findings.some(f => f.id === 'verify/reachability')).toBe(false) + }) +}) + +describe('conformance with the evidence-record standard', () => { + it('a fully healthy service with a valid request passes', () => { + const r = assessService(healthy, { now: NOW, request, host, limits }) + expect(overall(r)).toBe('pass') + }) + + it('every conclusion carries a citation', () => { + expect(validateReport(assessService( + { ...healthy, workerEnabled: false }, + { now: NOW, request, host, limits, jobs: [{ id: 'j1', state: 'claimed', claimedAt: '2026-08-01T09:00:00Z', where: 'db' }] }, + ))).toEqual([]) + }) + + it('says it gates rather than provisions', () => { + expect(formatService(healthy, { now: NOW })) + .toContain('gates provisioning; it does not perform it') + }) +}) diff --git a/tsconfig.cjs.json b/tsconfig.cjs.json new file mode 100644 index 0000000..0d99093 --- /dev/null +++ b/tsconfig.cjs.json @@ -0,0 +1,9 @@ +{ + "extends": "./tsconfig.json", + "compilerOptions": { + "module": "CommonJS", + "moduleResolution": "Node", + "outDir": "dist-cjs", + "declaration": false + } +} diff --git a/tsconfig.json b/tsconfig.json new file mode 100644 index 0000000..9f56c30 --- /dev/null +++ b/tsconfig.json @@ -0,0 +1,8 @@ +{ + "compilerOptions": { + "target": "ES2022", "module": "ES2022", "moduleResolution": "bundler", + "declaration": true, "outDir": "dist", "rootDir": "src", + "strict": true, "skipLibCheck": true + }, + "include": ["src/**/*.ts"] +}