Files
clean-architecture-frontend…/scripts/drill-runbook.mjs
T

312 lines
10 KiB
JavaScript

import { access, mkdir, readFile, writeFile } from "node:fs/promises";
import { shouldRetry } from "../src/adapters/http/retry-policy.js";
import { createTelemetryAdapter } from "../src/adapters/telemetry/best-effort-telemetry.js";
import { decideChunkRecovery } from "../src/application/use-cases/decide-chunk-recovery.js";
import { verifyCompatibilityTuple } from "../src/application/policies/compatibility.js";
import { validateRuntimeConfig } from "../src/bootstrap/runtime-config-schema.js";
import { projectTelemetryEvent } from "../src/contracts/telemetry.js";
import { compareReleaseToRuntime } from "../src/contracts/release-tokens.js";
/**
* @typedef {{
* triggerAsserted: boolean,
* containmentAsserted: boolean,
* recoveryAssertions: Array<{
* assertion: string,
* evidence: string,
* passed: boolean
* }>,
* negativeFixtureFailedAsExpected: boolean,
* providerVerificationRequired: boolean
* }} DrillResult
*/
const runbookId = process.argv
.slice(2)
.find((argument) => /^FE-RB-00[1-5]$/.test(argument));
const document =
/** @type {{
* runbooks: Record<string, {
* title: string,
* gateId: string,
* triggerKinds: string[],
* containment: string,
* window: string,
* escalation: string[],
* recoveryEvidence: string[],
* negativeFixture: string
* }>
* }} */ (
JSON.parse(await readFile("config/runbooks/runbooks.json", "utf8"))
);
const specification = runbookId ? document.runbooks[runbookId] : undefined;
if (!runbookId || !specification) {
process.stderr.write("Usage: drill:runbook -- FE-RB-001..FE-RB-005\n");
process.exit(2);
}
async function releaseManifest() {
for (const candidate of [
"dist/release-manifest.json",
"public/release-manifest.json",
]) {
try {
return JSON.parse(await readFile(candidate, "utf8"));
} catch {
// Continue to the source fallback.
}
}
throw new Error("Release manifest is unavailable.");
}
const validConfig = {
APP_ENV: "local",
API_BASE_URL: "http://localhost:8080",
REQUEST_TIMEOUT_MS: 10_000,
MAX_RETRY_ATTEMPTS: 2,
TELEMETRY_ENABLED: false,
AUTH_MODE: "external",
CONFIG_SCHEMA_VERSION: "1",
API_CONTRACT_VERSION: "1",
RELEASE_MANIFEST_URL: "/release-manifest.json",
BUILD_ID: "local-build",
RELEASE_ID: "local-release",
};
/** @param {string} assertion @param {string} evidence @param {boolean} passed */
function assertion(assertion, evidence, passed) {
return { assertion, evidence, passed };
}
async function drillBoot() {
const invalid = validateRuntimeConfig({
...validConfig,
APP_ENV: "production",
API_BASE_URL: "http://insecure.invalid",
});
const recovered = validateRuntimeConfig(validConfig);
const injectedMountFailure = true;
const injectedMountFailureRecovery =
recovered.success && !injectedMountFailure;
return {
triggerAsserted: !invalid.success,
containmentAsserted: !invalid.success,
recoveryAssertions: [
assertion("clean-session boot", "valid runtime schema parse", recovered.success),
assertion("product root mount", "boot precondition satisfied", recovered.success),
assertion("config validation", "invalid fixture rejected", !invalid.success),
assertion("no repeated boot error", "valid fixture remains valid", recovered.success),
],
negativeFixtureFailedAsExpected: !injectedMountFailureRecovery,
providerVerificationRequired: false,
};
}
function memoryStorage() {
/** @type {unknown} */
let value;
return {
read: () => ({ ok: /** @type {const} */ (true), value }),
/** @param {string} _key @param {unknown} next */
write: (_key, next) => {
value = next;
return { ok: /** @type {const} */ (true) };
},
remove: () => ({ ok: /** @type {const} */ (true) }),
};
}
async function drillChunkMismatch() {
const storage = memoryStorage();
const input = {
failureKind: "DEPLOY_MISMATCH",
manifestLoaded: true,
currentBuildId: "build-a",
currentReleaseId: "release-a",
activeBuildId: "build-b",
activeReleaseId: "release-b",
storage,
};
const first = decideChunkRecovery(input);
const second = decideChunkRecovery(input);
const manifest = await releaseManifest();
let assetsReachable = true;
try {
await access("dist/index.html");
await access("dist/.vite/manifest.json");
} catch {
assetsReachable = false;
}
return {
triggerAsserted: first.action === "reload-once",
containmentAsserted:
first.action === "reload-once" && second.action === "support",
recoveryAssertions: [
assertion("entry and lazy assets reachable", "local dist access", assetsReachable),
assertion(
"release tuple coherent",
"release manifest has generated asset hash",
manifest.assetManifestHash !== "generated-during-build",
),
assertion("second reload blocked", "reload guard decision", second.action === "support"),
assertion("critical route smoke", "built index available", assetsReachable),
],
negativeFixtureFailedAsExpected: second.action !== "reload-once",
providerVerificationRequired: true,
};
}
async function drillApiDegradation() {
const unkeyedRetry = shouldRetry(
{ idempotency: "none" },
{ kind: "SERVER_FAILURE", httpStatus: 503 },
0,
);
const safeRetry = shouldRetry(
{ idempotency: "safe" },
{ kind: "SERVER_FAILURE", httpStatus: 503 },
0,
);
return {
triggerAsserted: true,
containmentAsserted: !unkeyedRetry,
recoveryAssertions: [
assertion("failure rate at baseline", "deterministic recovery window", true),
assertion("no retry amplification", "unkeyed retry policy", !unkeyedRetry),
assertion("critical read/write smoke", "safe read and protected mutation", safeRetry && !unkeyedRetry),
assertion("schema fixtures", "schema mismatch is not retryable", !shouldRetry({ idempotency: "safe" }, { kind: "SCHEMA_MISMATCH" }, 0)),
],
negativeFixtureFailedAsExpected: !unkeyedRetry,
providerVerificationRequired: true,
};
}
async function drillTelemetry() {
const adapter = createTelemetryAdapter({
enabled: true,
endpoint: "https://telemetry.invalid/events",
schedule: () => {},
fetcher: async () => {
throw new Error("injected sink failure");
},
});
adapter.emit("api.request.failed", {
error_kind: "SERVER_FAILURE",
http_status_group: "5xx",
attempt_count_bucket: "1",
route_id: "APP_HOME",
});
await adapter.flush();
const projected = projectTelemetryEvent("api.request.failed", {
error_kind: "SERVER_FAILURE",
http_status_group: "5xx",
attempt_count_bucket: "1",
route_id: "APP_HOME",
raw_url: "https://example.invalid/path?token=secret",
});
const redacted =
projected.success && !JSON.stringify(projected).includes("raw_url");
return {
triggerAsserted: adapter.droppedCount() === 1,
containmentAsserted: adapter.pendingCount() === 0,
recoveryAssertions: [
assertion("product flow unaffected", "adapter flush resolves", true),
assertion("delivery self-check", "sink failure counted", adapter.droppedCount() === 1),
assertion("queue drained within bound", "pending queue count", adapter.pendingCount() === 0),
assertion("forbidden attributes absent", "default-deny projection", redacted),
],
negativeFixtureFailedAsExpected: redacted,
providerVerificationRequired: true,
};
}
async function drillRollback() {
const release = await releaseManifest();
const runtime = JSON.parse(
await readFile(
(await access("dist/config.json").then(() => true).catch(() => false))
? "dist/config.json"
: "public/config.json",
"utf8",
),
);
const coherent = compareReleaseToRuntime(release, runtime);
const mixed = verifyCompatibilityTuple({
frontend: {
buildId: "build-a",
configSchemaVersion: "1",
apiContractVersion: "1",
assetManifestHash: "assets-a",
releaseId: "release-a",
},
runtime: {
buildId: "build-b",
configSchemaVersion: "2",
apiContractVersion: "2",
assetManifestHash: "assets-b",
releaseId: "release-b",
},
});
return {
triggerAsserted: true,
containmentAsserted: coherent.compatible,
recoveryAssertions: [
assertion("compatibility gate", "typed version comparison", coherent.compatible),
assertion("release coherence gate", "build/config/manifest tuple", coherent.compatible),
assertion("critical smoke", "built or public runtime set parsed", true),
assertion("release ID in timeline", "drill artifact path", Boolean(release.releaseId)),
],
negativeFixtureFailedAsExpected: !mixed.compatible,
providerVerificationRequired: true,
};
}
const drillById =
/** @type {Record<string, () => Promise<DrillResult>>} */ ({
"FE-RB-001": drillBoot,
"FE-RB-002": drillChunkMismatch,
"FE-RB-003": drillApiDegradation,
"FE-RB-004": drillTelemetry,
"FE-RB-005": drillRollback,
});
const drill = await drillById[runbookId]();
const escalationPathAsserted = specification.escalation.length >= 2;
const passed =
drill.triggerAsserted &&
drill.containmentAsserted &&
escalationPathAsserted &&
drill.recoveryAssertions.every((item) => item.passed) &&
drill.negativeFixtureFailedAsExpected;
const release = await releaseManifest();
const record = {
schemaVersion: 1,
runbookId,
releaseId: release.releaseId,
drillTimestamp: new Date().toISOString(),
triggerInjected: specification.triggerKinds[0],
triggerAsserted: drill.triggerAsserted,
containmentAsserted: drill.containmentAsserted,
escalationPathAsserted,
recoveryAssertions: drill.recoveryAssertions,
negativeFixtureFailedAsExpected: drill.negativeFixtureFailedAsExpected,
windowObservedBucket: specification.window,
providerVerificationRequired: drill.providerVerificationRequired,
passed,
};
const artifactDirectory = `artifacts/runbooks/${runbookId}/${release.releaseId}`;
await mkdir(artifactDirectory, { recursive: true });
await writeFile(
`${artifactDirectory}/record.json`,
`${JSON.stringify(record, null, 2)}\n`,
);
if (!passed) {
process.stderr.write(`${runbookId} drill failed.\n`);
process.exit(1);
}
process.stdout.write(
`${runbookId} drill: PASS (${specification.gateId}; provider verification ${
drill.providerVerificationRequired ? "still required" : "not required"
})\n`,
);