get latest redirects based on nav-data not version metadata

build-libs/__tests__/get-latest-content-sha-for-product.test.ts

@@ -0,0 +1,33 @@
+/**
+ * Copyright (c) HashiCorp, Inc.
+ * SPDX-License-Identifier: MPL-2.0
+ */
+
+import getLatestContentShaForProduct from '../get-latest-content-sha-for-product'
+import fetchGithubFile from '@build-libs/fetch-github-file'
+import { PRODUCT_REDIRECT_ENTRIES } from '@build-libs/redirects'
+
+describe('getLatestContentShaForProduct', () => {
+	PRODUCT_REDIRECT_ENTRIES.forEach(({ repo, path }) => {
+		it(`fetches the latest SHA for the "${repo}" repo`, async () => {
+			const latestSha = await getLatestContentShaForProduct(repo)
+			expect(typeof latestSha).toBe('string')
+		})
+
+		if (['hcp-docs', 'sentinel', 'ptfe-releases'].includes(repo)) {
+			console.log(`Skipping test for private repo "${repo}"`)
+		} else {
+			it(`fetches the latest SHA for the "${repo}" repo, then validates the SHA by fetching redirects`, async () => {
+				const latestSha = await getLatestContentShaForProduct(repo)
+				expect(typeof latestSha).toBe('string')
+				const redirectsFileString = await fetchGithubFile({
+					owner: 'hashicorp',
+					repo: repo,
+					path: path,
+					ref: latestSha,
+				})
+				expect(typeof redirectsFileString).toBe('string')
+			})
+		}
+	})
+})

build-libs/get-latest-content-sha-for-product.js

@@ -0,0 +1,53 @@
+/**
+ * Copyright (c) HashiCorp, Inc.
+ * SPDX-License-Identifier: MPL-2.0
+ */
+
+/**
+ * We're using the docs endpoints to fetch the latest SHA, so we use
+ * the env var for the docs API.
+ */
+const MKTG_CONTENT_DOCS_API = process.env.MKTG_CONTENT_DOCS_API
+
+/**
+ * A map of all possible `product` slugs to known content API endpoints that
+ * will return an object with a `ref` property that accurately reflects the
+ * ref from which the latest content was uploaded.
+ */
+const KNOWN_LATEST_REF_ENDPOINTS = {
+	boundary: '/api/content/boundary/nav-data/latest/docs',
+	nomad: '/api/content/nomad/nav-data/latest/docs',
+	vault: '/api/content/vault/nav-data/latest/docs',
+	vagrant: '/api/content/vagrant/nav-data/latest/docs',
+	packer: '/api/content/packer/nav-data/latest/docs',
+	consul: '/api/content/consul/nav-data/latest/docs',
+	'terraform-docs-common':
+		'/api/content/terraform-docs-common/nav-data/latest/docs',
+	'hcp-docs': '/api/content/hcp-docs/nav-data/latest/docs',
+	'ptfe-releases': '/api/content/ptfe-releases/nav-data/latest/enterprise',
+	sentinel: '/api/content/sentinel/nav-data/latest/sentinel',
+}
+
+/**
+ * Fetch the latest sha from the content API for a given product.
+ * This relies on known `nav-data` endpoints for each product.
+ *
+ * @param {string} product
+ * @returns {Promise<string>}
+ */
+async function getLatestContentShaForProduct(product) {
+	const contentUrl = new URL(MKTG_CONTENT_DOCS_API)
+	const knownEndpoint = KNOWN_LATEST_REF_ENDPOINTS[product]
+	if (!knownEndpoint) {
+		throw new Error(
+			`getLatestContentShaForProduct failed, with unknown product: ${product}. Please add a known endpoint for this product to KNOWN_LATEST_REF_ENDPOINTS.`
+		)
+	}
+	contentUrl.pathname = knownEndpoint
+	const latestSha = await fetch(contentUrl.toString())
+		.then((resp) => resp.json())
+		.then((json) => json.result.sha)
+	return latestSha
+}
+
+module.exports = getLatestContentShaForProduct

build-libs/redirects.js

@@ -10,6 +10,7 @@ const path = require('path')
 
 const { isDeployPreview } = require('../src/lib/env-checks')
 const fetchGithubFile = require('./fetch-github-file')
+const getLatestContentShaForProduct = require('./get-latest-content-sha-for-product')
 const { getTutorialRedirects } = require('./tutorial-redirects')
 const {
 	getDocsDotHashiCorpRedirects,
@@ -26,21 +27,6 @@ const HOSTNAME_MAP = {
 	'test-st.hashi-mktg.com': 'sentinel',
 }
 
-/**
- * Fetch the latest ref from the content API to ensure the redirects are accurate.
- *
- * @TODO save the redirects to the content database and expose them directly via the API
- */
-async function getLatestContentRefForProduct(product) {
-	const contentUrl = new URL('https://content.hashicorp.com')
-	contentUrl.pathname = `/api/content/${product}/version-metadata/latest`
-	const latestRef = await fetch(contentUrl.toString())
-		.then((resp) => resp.json())
-		.then((json) => json.result.ref)
-
-	return latestRef
-}
-
 /**
  * Load redirects from a content repository.
  *
@@ -63,13 +49,10 @@ async function getLatestContentRefForProduct(product) {
  * redirects and return early with an empty array.
  *
  * @param {string} repoName The name of the repo, owner is always `hashicorp`.
- * @param {string?} redirectsPath Optional, custom path to the redirects file.
+ * @param {string} redirectsPath Path within the repo to the redirects file.
  * @returns {Promise<Redirect[]>}
  */
-async function getRedirectsFromContentRepo(
-	repoName,
-	redirectsPath = 'website/redirects.js'
-) {
+async function getRedirectsFromContentRepo(repoName, redirectsPath) {
 	/**
 	 * Note: These constants are declared for clarity in build context intent.
 	 */
@@ -82,12 +65,12 @@ async function getRedirectsFromContentRepo(
 	let redirectsFileString
 	if (isDeveloperBuild) {
 		// For `hashicorp/dev-portal` builds, load redirects remotely
-		const latestContentRef = await getLatestContentRefForProduct(repoName)
+		const latestContentSha = await getLatestContentShaForProduct(repoName)
 		redirectsFileString = await fetchGithubFile({
 			owner: 'hashicorp',
 			repo: repoName,
 			path: redirectsPath,
-			ref: latestContentRef,
+			ref: latestContentSha,
 		})
 	} else if (isLocalContentBuild) {
 		// Load redirects from the filesystem, so that authors can see their changes
@@ -106,6 +89,24 @@ async function getRedirectsFromContentRepo(
 	return validRedirects
 }
 
+/**
+ * @type {{ repo: string, path: string}[]} An array of redirect
+ * entries. Each entry specifies a repo and the path within that repo to the
+ * redirects file.
+ */
+const PRODUCT_REDIRECT_ENTRIES = [
+	{ repo: 'boundary', path: 'website/redirects.js' },
+	{ repo: 'nomad', path: 'website/redirects.js' },
+	{ repo: 'vault', path: 'website/redirects.js' },
+	{ repo: 'vagrant', path: 'website/redirects.js' },
+	{ repo: 'packer', path: 'website/redirects.js' },
+	{ repo: 'consul', path: 'website/redirects.js' },
+	{ repo: 'terraform-docs-common', path: 'website/redirects.js' },
+	{ repo: 'hcp-docs', path: '/redirects.js' },
+	{ repo: 'ptfe-releases', path: 'website/redirects.js' },
+	{ repo: 'sentinel', path: 'website/redirects.js' },
+]
+
 async function buildProductRedirects() {
 	// Fetch author-oriented redirects from product repos,
 	// and merge those with dev-oriented redirects from
@@ -115,18 +116,11 @@ async function buildProductRedirects() {
 	}
 
 	const productRedirects = (
-		await Promise.all([
-			getRedirectsFromContentRepo('boundary'),
-			getRedirectsFromContentRepo('nomad'),
-			getRedirectsFromContentRepo('vault'),
-			getRedirectsFromContentRepo('vagrant'),
-			getRedirectsFromContentRepo('packer'),
-			getRedirectsFromContentRepo('consul'),
-			getRedirectsFromContentRepo('terraform-docs-common'),
-			getRedirectsFromContentRepo('hcp-docs', '/redirects.js'),
-			getRedirectsFromContentRepo('ptfe-releases'),
-			getRedirectsFromContentRepo('sentinel'),
-		])
+		await Promise.all(
+			PRODUCT_REDIRECT_ENTRIES.map((entry) =>
+				getRedirectsFromContentRepo(entry.repo, entry.path)
+			)
+		)
 	).flat()
 
 	return productRedirects
@@ -407,6 +401,7 @@ async function redirectsConfig() {
 }
 
 module.exports = {
+	PRODUCT_REDIRECT_ENTRIES,
 	redirectsConfig,
 	splitRedirectsByType,
 	groupSimpleRedirects,