fix(config): fail builds if failed to fetch extensions

packages/config/src/api/site_info.ts

@@ -36,8 +36,10 @@ export const getSiteInfo = async function ({
   offline = false,
   testOpts = {},
   siteFeatureFlagPrefix,
+  featureFlags = {},
 }: GetSiteInfoOpts) {
   const { env: testEnv = false } = testOpts
+  const errorOnExtensionFetchFail = featureFlags.error_builds_on_extension_fetch_fail
 
   if (api === undefined || mode === 'buildbot' || testEnv) {
     const siteInfo: { id?: string; account_id?: string } = {}
@@ -46,7 +48,9 @@ export const getSiteInfo = async function ({
     if (accountId !== undefined) siteInfo.account_id = accountId
 
     const integrations =
-      mode === 'buildbot' && !offline ? await getIntegrations({ siteId, testOpts, offline, accountId }) : []
+      mode === 'buildbot' && !offline
+        ? await getIntegrations({ siteId, testOpts, offline, accountId, errorOnExtensionFetchFail })
+        : []
 
     return { siteInfo, accounts: [], addons: [], integrations }
   }
@@ -55,7 +59,7 @@ export const getSiteInfo = async function ({
     getSite(api, siteId, siteFeatureFlagPrefix),
     getAccounts(api),
     getAddons(api, siteId),
-    getIntegrations({ siteId, testOpts, offline, accountId }),
+    getIntegrations({ siteId, testOpts, offline, accountId, errorOnExtensionFetchFail }),
   ]
 
   const [siteInfo, accounts, addons, integrations] = await Promise.all(promises)
@@ -109,13 +113,15 @@ type GetIntegrationsOpts = {
   accountId?: string
   testOpts: TestOptions
   offline: boolean
+  errorOnExtensionFetchFail?: boolean
 }
 
 const getIntegrations = async function ({
   siteId,
   accountId,
   testOpts,
   offline,
+  errorOnExtensionFetchFail,
 }: GetIntegrationsOpts): Promise<IntegrationResponse[]> {
   if (!siteId || offline) {
     return []
@@ -130,14 +136,31 @@ const getIntegrations = async function ({
     ? `${baseUrl}team/${accountId}/integrations/installations/meta/${siteId}`
     : `${baseUrl}site/${siteId}/integrations/safe`
 
+  if (errorOnExtensionFetchFail) {
+    try {
+      const response = await fetch(url)
+      if (!response.ok) {
+        throw new Error(`Unexpected status code ${response.status} from fetching extensions`)
+      }
+      const bodyText = await response.text()
+      if (bodyText === '') {
+        return []
+      }
+
+      const integrations = await JSON.parse(bodyText)
+      return Array.isArray(integrations) ? integrations : []
+    } catch (error) {
+      return throwUserError(
+        `Failed retrieving extensions for site ${siteId}: ${error.message}. ${ERROR_CALL_TO_ACTION}`,
+      )
+    }
+  }
+
   try {
     const response = await fetch(url)
-
     const integrations = await response.json()
     return Array.isArray(integrations) ? integrations : []
   } catch (error) {
-    // TODO: We should consider blocking the build as integrations are a critical part of the build process
-    // https://linear.app/netlify/issue/CT-1214/implement-strategy-in-builds-to-deal-with-integrations-that-we-fail-to
     return []
   }
 }

packages/config/tests/api/snapshots/tests.js.md

@@ -2250,6 +2250,56 @@ Generated by [AVA](https://avajs.dev).
       "token": "test"␊
     }`
 
+## Integrations are not returned if failed to fetch integrations and if flag is true
+
+> Snapshot 1
+
+    'Failed retrieving extensions for site test: Unexpected status code 500 from fetching extensions. Double-check your login status with \'netlify status\' or contact support with details of your error.'
+
+## Empty array of integrations are returned if failed to fetch integrations and if flag is false
+
+> Snapshot 1
+
+    `{␊
+      "accounts": [],␊
+      "addons": [],␊
+      "branch": "branch",␊
+      "buildDir": "packages/config/tests/api/fixtures/base",␊
+      "config": {␊
+        "build": {␊
+          "environment": {},␊
+          "processing": {␊
+            "css": {},␊
+            "html": {},␊
+            "images": {},␊
+            "js": {}␊
+          },␊
+          "publish": "packages/config/tests/api/fixtures/base",␊
+          "publishOrigin": "default",␊
+          "services": {}␊
+        },␊
+        "functions": {␊
+          "*": {}␊
+        },␊
+        "headers": [],␊
+        "plugins": [],␊
+        "redirects": []␊
+      },␊
+      "configPath": "packages/config/tests/api/fixtures/base/netlify.toml",␊
+      "context": "production",␊
+      "env": {},␊
+      "hasApi": true,␊
+      "headersPath": "packages/config/tests/api/fixtures/base/_headers",␊
+      "integrations": [],␊
+      "redirectsPath": "packages/config/tests/api/fixtures/base/_redirects",␊
+      "repositoryRoot": "packages/config/tests/api/fixtures/base",␊
+      "siteInfo": {␊
+        "account_id": "account1",␊
+        "id": "test"␊
+      },␊
+      "token": "test"␊
+    }`
+
 ## baseRelDir is true if build.base is overridden
 
 > Snapshot 1
@@ -2413,3 +2463,9 @@ Generated by [AVA](https://avajs.dev).
       },␊
       "token": "test"␊
     }`
+
+## Integrations are not returned if failed to fetch integrations
+
+> Snapshot 1
+
+    'Failed retrieving extensions for site test: Unexpected status code 500 from fetching extensions. Double-check your login status with \'netlify status\' or contact support with details of your error.'

packages/config/tests/api/tests.js

@@ -37,6 +37,12 @@ const TEAM_INSTALLATIONS_META_RESPONSE = {
   ],
 }
 
+const TEAM_INSTALLATIONS_META_RESPONSE_INTERNAL_SERVER_ERROR = {
+  path: '/team/account1/integrations/installations/meta/test',
+  response: { error: 'Internal Server Error' },
+  status: 500,
+}
+
 const SITE_INTEGRATIONS_EMPTY_RESPONSE = {
   path: '/site/test/integrations/safe',
   response: [],
@@ -413,6 +419,46 @@ test('Integrations are returned if accountId is present and mode is dev', async
   t.assert(config.integrations[0].has_build === true)
 })
 
+test('Integrations are not returned if failed to fetch integrations and if flag is true', async (t) => {
+  const { output } = await new Fixture('./fixtures/base')
+    .withFlags({
+      siteId: 'test',
+      mode: 'buildbot',
+      accountId: 'account1',
+      token: 'test',
+      featureFlags: {
+        error_builds_on_extension_fetch_fail: true,
+      },
+    })
+    .runConfigServer([
+      SITE_INFO_DATA,
+      TEAM_INSTALLATIONS_META_RESPONSE_INTERNAL_SERVER_ERROR,
+      FETCH_INTEGRATIONS_EMPTY_RESPONSE,
+    ])
+
+  t.snapshot(normalizeOutput(output))
+})
+
+test('Empty array of integrations are returned if failed to fetch integrations and if flag is false', async (t) => {
+  const { output } = await new Fixture('./fixtures/base')
+    .withFlags({
+      siteId: 'test',
+      mode: 'buildbot',
+      accountId: 'account1',
+      token: 'test',
+      featureFlags: {
+        error_builds_on_extension_fetch_fail: false,
+      },
+    })
+    .runConfigServer([
+      SITE_INFO_DATA,
+      TEAM_INSTALLATIONS_META_RESPONSE_INTERNAL_SERVER_ERROR,
+      FETCH_INTEGRATIONS_EMPTY_RESPONSE,
+    ])
+
+  t.snapshot(normalizeOutput(output))
+})
+
 test('baseRelDir is true if build.base is overridden', async (t) => {
   const fixturesDir = normalize(`${fileURLToPath(test.meta.file)}/../fixtures`)