From 21689ef59b0eb34b1a29eda739dc10d33d25b44a Mon Sep 17 00:00:00 2001 From: Yuriy Andamasov Date: Fri, 10 Jul 2026 17:14:13 +0300 Subject: docs: Cloudflare Workers hosting pipeline (apex, content workers, CI, previews) (#2140) MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit * docs-infra: scaffold Cloudflare workers workspace (versions.json v2, matrix, toolchain) ๐Ÿค– Generated by [robots](https://vyos.io) * docs-infra: record full Phase-0 plan decision in workers/PLAN.md ๐Ÿค– Generated by [robots](https://vyos.io) * docs-infra: shared content worker โ€” asset serving, cache classes, X-Docs-Build, canary no-store ๐Ÿค– Generated by [robots](https://vyos.io) * docs-infra: run worker script before assets; test fetch entrypoint ๐Ÿค– Generated by [robots](https://vyos.io) * docs-infra: apex manifest loader + dispatch map + runtime binding guard (TDD) ๐Ÿค– Generated by [robots](https://vyos.io) * docs-infra: apex redirects (aliases, PDF, trailing-slash) + special paths (TDD) ๐Ÿค– Generated by [robots](https://vyos.io) * docs-infra: PDF redirect honors pdf:null and preserves query ๐Ÿค– Generated by [robots](https://vyos.io) * docs-infra: apex UA gate โ€” allowlist-wins, log-only AI crawlers, empty block list at launch ๐Ÿค– Generated by [robots](https://vyos.io) * docs-infra: apex router (pipeline ยง3.2), themed 404/503, /kb seam, env configs + congruence test ๐Ÿค– Generated by [robots](https://vyos.io) * docs-infra: add missing-User-Agent regression test for apex UA gate ๐Ÿค– Generated by [robots](https://vyos.io) * docs-infra: R2-streaming preview worker โ€” MIME map, noindex, no-store (TDD) ๐Ÿค– Generated by [robots](https://vyos.io) * docs-infra: preview 404 no-store + fetch handler tests ๐Ÿค– Generated by [robots](https://vyos.io) * docs-infra: bootstrap script โ€” binding-target workers must exist before apex deploys ๐Ÿค– Generated by [robots](https://vyos.io) * docs-infra: apex run_worker_first, lockfile for npm ci, PDF Location from manifest ๐Ÿค– Generated by [robots](https://vyos.io) * docs-infra: derive html_baseurl from DOCS_VERSION_SLUG with RTD fallback (canonical gate prereq) ๐Ÿค– Generated by [robots](https://vyos.io) * docs-infra: version picker + status banner + language scaffold (vanilla JS, TDD pure core) ๐Ÿค– Generated by [robots](https://vyos.io) * docs-infra: picker preserves query+hash across switch; valid breadcrumb markup ๐Ÿค– Generated by [robots](https://vyos.io) * docs-infra: Pagefind search wrapper with runtime base-path + preview prefix handling (TDD) ๐Ÿค– Generated by [robots](https://vyos.io) * docs-infra: pagefind wrapper โ€” asset-failure notice + UI stylesheet load ๐Ÿค– Generated by [robots](https://vyos.io) * docs-infra: gate Pagefind searchbox to CF builds (RTD keeps stock search until cutover) ๐Ÿค– Generated by [robots](https://vyos.io) * docs-infra: deploy sanity gates โ€” limits, critical pages, count-delta, canonical (TDD) ๐Ÿค– Generated by [robots](https://vyos.io) * docs-infra: hermetic gate tests via fixture versions.json ๐Ÿค– Generated by [robots](https://vyos.io) * docs-infra: docs-build workflow โ€” candidate/smoke/promote two-stage deploy + registry + rollback Two-stage CF Workers pipeline: build in pinned container, assemble artifact, sanity gates, deploy candidate, scoped pre-traffic smoke via canary apex, promote (rollback-id capture, hostname purge, registry upload), post-promote probe + auto-rollback. DOCS_CF_LIVE repo variable gates every docs.vyos.io production interaction pre-cutover. scripts/docs_gates/smoke.py adds one authorized check beyond the spec: the version's index.html probe asserts the #vyos-search mount div is present in the response body, guarding CI silently forgetting DOCS_VERSION_SLUG (which would otherwise ship stock RTD search without the Pagefind gate noticing). ๐Ÿค– Generated by [robots](https://vyos.io) * docs-infra: build docs image in-workflow with buildx cache (v4.1 โ€” digest pin dropped) Plan v4.1 amendment: the ghcr.io digest-pinned image does not exist (workflow would hard-fail at the first docker step on every push). Replace the BUILD_IMAGE env placeholder with an in-workflow docker build from docker/Dockerfile via docker/setup-buildx-action@v3 + docker/build-push-action@v6 (context: docker/, load: true, tags: docs-build:local, GHA cache from/to). The checked-out commit is the pin; buildx GHA cache keeps repeat builds cheap. Sphinx-build step swaps to docs-build:local; inner script unchanged. ๐Ÿค– Generated by [robots](https://vyos.io) * docs-infra: apex/preview deploy workflow โ€” canary auto, production behind environment approval * docs-infra: apex-deploy concurrency guard (per-ref, cancel-in-progress) ๐Ÿค– Generated by [robots](https://vyos.io) * docs-infra: fork-safe PR preview pipeline โ€” approval record, R2 prefixes, label consumption, cleanup * docs-infra: nightly preview sweep โ€” pipefail + per-prefix failure isolation ๐Ÿค– Generated by [robots](https://vyos.io) * docs-infra: nightly canary QA โ€” per-entry sweep + URL-parity corpus vs RTD ๐Ÿค– Generated by [robots](https://vyos.io) * docs-infra: parity sweep scoped to CF-built versions; transport-error resilience ๐Ÿค– Generated by [robots](https://vyos.io) * docs-infra: one-off bootstrap workflow (binding targets โ€” runs once on this push) ๐Ÿค– Generated by [robots](https://vyos.io) * docs-infra: remove one-off bootstrap workflow (bootstrap complete) ๐Ÿค– Generated by [robots](https://vyos.io) * docs-infra: one-off canary apex + preview deploy (route targets for Task 3.6 step 2c) ๐Ÿค– Generated by [robots](https://vyos.io) * docs-infra: remove one-off canary deploy workflow (targets live) ๐Ÿค– Generated by [robots](https://vyos.io) * docs-infra: address Phase-0 CodeRabbit findings (canonical gate, error caching, registry pointer, validation) ๐Ÿค– Generated by [robots](https://vyos.io) * docs-infra: strengthen manifest tests (full dispatch iteration, mutation-free validate) ๐Ÿค– Generated by [robots](https://vyos.io) * docs-infra: address GitHub CodeRabbit review (pointer-after-probe, fail-closed sweeps, block-precedence UA gate, preview hardening) ๐Ÿค– Generated by [robots](https://vyos.io) * docs-infra: adversarial review fixes โ€” error no-store, probe retry, PR-list membership, preview dotted-segment ๐Ÿค– Generated by [robots](https://vyos.io) * docs-infra: serve oversized legacy PDF from R2 via apex (spec ยง5 fallback) The 1.3 PDF (29.2 MiB) exceeds the 25 MiB static-asset cap and is absent from the legacy content Worker's build, so /_/downloads/en/1.3/pdf/ (and the picker's PDF link) 301'd into a dead-end 404 post-cutover. Add the R2 object fallback spec ยง5 already documented but never implemented: a DOCS_PDFS R2 bucket binding on the apex Worker, a manifest pdf_r2_key field (1.3 only), and a router step ahead of version dispatch that streams the object with its own cache class (canary/error still force no-store). ๐Ÿค– Generated by [robots](https://vyos.io) * docs-infra: PDF R2 fallback honors Range + If-None-Match, preserves ETag ๐Ÿค– Generated by [robots](https://vyos.io) --- workers/preview/src/index.ts | 61 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 61 insertions(+) create mode 100644 workers/preview/src/index.ts (limited to 'workers/preview/src') diff --git a/workers/preview/src/index.ts b/workers/preview/src/index.ts new file mode 100644 index 00000000..5c945175 --- /dev/null +++ b/workers/preview/src/index.ts @@ -0,0 +1,61 @@ +export interface Env { PREVIEWS: R2Bucket } + +const MIME: Record = { + html: "text/html; charset=utf-8", css: "text/css", js: "text/javascript", + json: "application/json", svg: "image/svg+xml", png: "image/png", jpg: "image/jpeg", + gif: "image/gif", ico: "image/x-icon", txt: "text/plain; charset=utf-8", + xml: "application/xml", pdf: "application/pdf", woff2: "font/woff2", woff: "font/woff", +}; + +export function mimeFor(key: string): string { + const ext = key.split(".").pop() ?? ""; + return MIME[ext] ?? "application/octet-stream"; +} + +export function keyFor(pathname: string): string { + let key = pathname.replace(/^\//, ""); + if (key.endsWith("/") || key === "" ) key += "index.html"; + return key; +} + +export default { + async fetch(request: Request, env: Env): Promise { + const key = keyFor(new URL(request.url).pathname); + let obj: R2ObjectBody | null = null; + let resolvedKey = key; + try { + obj = await env.PREVIEWS.get(key); + if (!obj && !key.split("/").pop()?.includes(".")) { + // Extensionless directory URL with no trailing slash (e.g. /en/rolling/cli) โ€” + // keyFor() only appends index.html for trailing-slash/empty paths, so probe the + // directory's index.html before 404ing. Check the LAST path segment only โ€” a dot + // anywhere earlier (e.g. version segment "1.4" in /pr-42/en/1.4/cli) must not skip + // the probe for an otherwise-extensionless final segment. + resolvedKey = `${key}/index.html`; + obj = await env.PREVIEWS.get(resolvedKey); + } + } catch { + // Transient R2/binding error on either probe โ€” fail closed with a controlled 503 + // instead of letting an unhandled exception surface as a raw worker error. + return new Response("preview temporarily unavailable", { + status: 503, + headers: { "X-Robots-Tag": "noindex", "Cache-Control": "no-store" }, + }); + } + if (!obj) { + return new Response("preview not found", { + status: 404, + // no-store on the 404 too โ€” a cached 404 would persist past the preview upload + headers: { "X-Robots-Tag": "noindex", "Cache-Control": "no-store" }, + }); + } + return new Response(obj.body, { + headers: { + "content-type": obj.httpMetadata?.contentType ?? mimeFor(resolvedKey), + "X-Robots-Tag": "noindex", + "Cache-Control": "no-store", + "X-Content-Type-Options": "nosniff", + }, + }); + }, +} satisfies ExportedHandler; -- cgit v1.2.3