diff --git a/spec/headers_test.js b/spec/headers_test.js
index f2122fd4f66b1d15d73185779dba16b953d26cd1..f499f03dc4f293d8261df7bee4ae4b0db5d5f1dc 100644
--- a/spec/headers_test.js
+++ b/spec/headers_test.js
@@ -37,7 +37,7 @@ describe('Responses contain custom headers', function () {
it('index.html has version', async function () {
const response = await request(app).get('/index.html')
expect(response.statusCode).to.equal(200)
- expect(response.headers.version).to.equal('3038606729')
+ expect(response.headers.version).to.equal('3215668592')
})
it('javascript file contains dependencies', async function () {
@@ -45,4 +45,75 @@ describe('Responses contain custom headers', function () {
expect(response.statusCode).to.equal(200)
expect(response.headers.dependencies).to.equal('main.css')
})
+
+ describe('with different files', function () {
+ beforeEach(async function () {
+ td.reset()
+ mockConfig({ urls: ['http://ui-server/'] })
+ mockFetch({
+ 'http://ui-server': {
+ '/manifest.json': generateSimpleViteManifest({
+ 'index.html': {}
+ }),
+ '/index.html': () => new Response('<html><head></head><body>it\'s me</body></html>', { headers: { 'content-type': 'text/html' } })
+ }
+ })
+ app = await mockApp()
+ })
+
+ it('index.html has version', async function () {
+ const response = await request(app).get('/index.html')
+ expect(response.statusCode).to.equal(200)
+ // important here is, that it is different than in the test without meta.json
+ expect(response.headers.version).to.equal('3961519424')
+ })
+ })
+
+ describe('with meta.json', function () {
+ beforeEach(async function () {
+ td.reset()
+ mockConfig({ urls: ['http://ui-server/'] })
+ mockFetch({
+ 'http://ui-server': {
+ '/manifest.json': generateSimpleViteManifest({
+ 'index.html': {}
+ }),
+ '/index.html': () => new Response('<html><head></head><body>it\'s me</body></html>', { headers: { 'content-type': 'text/html' } }),
+ '/meta.json': { commitSha: '1234567890' }
+ }
+ })
+ app = await mockApp()
+ })
+
+ it('index.html has version', async function () {
+ const response = await request(app).get('/index.html')
+ expect(response.statusCode).to.equal(200)
+ // important here is, that it is different than in the test without meta.json
+ expect(response.headers.version).to.equal('1487554813')
+ })
+ })
+
+ describe('with different meta.json', function () {
+ beforeEach(async function () {
+ td.reset()
+ mockConfig({ urls: ['http://ui-server/'] })
+ mockFetch({
+ 'http://ui-server': {
+ '/manifest.json': generateSimpleViteManifest({
+ 'index.html': {}
+ }),
+ '/index.html': () => new Response('<html><head></head><body>it\'s me</body></html>', { headers: { 'content-type': 'text/html' } }),
+ '/meta.json': { commitSha: '0987654321' }
+ }
+ })
+ app = await mockApp()
+ })
+
+ it('index.html has version', async function () {
+ const response = await request(app).get('/index.html')
+ expect(response.statusCode).to.equal(200)
+ // important here is, that it is different than in the test without meta.json
+ expect(response.headers.version).to.equal('319344871')
+ })
+ })
})
diff --git a/src/createApp.js b/src/createApp.js
index e6dcb3845a33d3d16c2a3674a4ec2cd6480f131e..f6998f6101b48958d3257e579a11b0153e6dea8c 100644
--- a/src/createApp.js
+++ b/src/createApp.js
@@ -42,7 +42,7 @@ export function createApp () {
const startupCheck = new health.StartupCheck('warmup cache', async function () {
const stopTimer = startUpTimeGauge.startTimer()
try {
- const viteManifests = await loadViteManifests()
+ const viteManifests = await loadViteManifests({ warmUp: false })
// also need to load ox manifests here, to make sure the cache is warm
await getOxManifests()
const deps = viteManifestToDeps(viteManifests)
diff --git a/src/manifests.js b/src/manifests.js
index 6801ea15aa9ff9850ba8e9408f96addf95516a18..1598854667dac2f53a7d941cd628aab076c78447 100644
--- a/src/manifests.js
+++ b/src/manifests.js
@@ -6,17 +6,42 @@ import { hash, viteManifestToDeps } from './util.js'
import { logger } from './logger.js'
export const loadViteManifests = (() => {
- let cachePromise
+ let lastManifest
let lastCacheTime
let lastHash
+ async function getHash () {
+ await config.load()
+ const infos = await Promise.all(config.urls.map(async baseUrl => {
+ try {
+ const response = await fetch(new URL('meta.json', baseUrl))
+ if (!response.ok) throw new Error()
+ const meta = await response.json()
+ const version = meta.commitSha || meta.buildDate || meta.version
+ if (!version) throw new Error()
+ return version
+ } catch (err) {
+ logger.debug(`UI container at ${baseUrl} does not have meta.json. Fall back to version hash based on manifest.`)
+ }
+ try {
+ const response = await fetch(new URL('manifest.json', baseUrl))
+ if (!response.ok) throw new Error()
+ const manifest = await response.json()
+ return hash(manifest)
+ } catch (err) {
+ logger.error(`Cannot fetch manifest from ${baseUrl}. Version info will not be correct.`)
+ }
+ }))
+ return hash(infos)
+ }
+
async function reload () {
await config.load()
// vite manifests contains a set of objects with the vite-manifests
// from the corresponding registered services
const viteManifests = await Promise.all(config.urls.map(async baseUrl => {
// fetch the manifests
- const result = await fetch(new URL('/manifest.json', baseUrl))
+ const result = await fetch(new URL('manifest.json', baseUrl))
if (!result.ok) throw new Error(`Failed to load manifest for url ${result.url} (Status: ${result.status}: ${result.statusText})`)
try {
const manifest = await result.json()
@@ -32,55 +57,52 @@ export const loadViteManifests = (() => {
}))
// combine all manifests by keys. With duplicates, last wins
- const viteManifest = viteManifests.reduce((memo, manifest) => Object.assign(memo, manifest), {})
- Object.defineProperty(viteManifest, '__hash__', {
- enumerable: false,
- writable: true
- })
-
- try {
- viteManifest.__hash__ = hash(viteManifests)
- } catch (err) {
- logger.error(`Failed to calculate hash: ${err.message}`)
- }
-
- return viteManifest
+ return viteManifests.reduce((memo, manifest) => Object.assign(memo, manifest), {})
}
- return function loadViteManifests ({ useCache = true } = {}) {
+ return function loadViteManifests ({ useCache = true, warmUp = true } = {}) {
const CACHE_TTL = parseInt(process.env.CACHE_TTL)
const timeElapsed = () => +((+new Date() - lastCacheTime) / 1000).toFixed(2)
- if (!cachePromise || useCache === false || +new Date() > lastCacheTime + CACHE_TTL) {
- cachePromise = reload()
- cachePromise.then(manifests => {
+ if (!lastManifest || useCache === false || +new Date() > lastCacheTime + CACHE_TTL) {
+ const promise = (async () => {
+ const newHash = await getHash()
+ if (lastManifest && lastHash === newHash) return
+ const manifest = await reload()
if (useCache) logger.info(`reloaded manifests after ${timeElapsed()} seconds`)
- // update cache promise
- const newHash = manifests.__hash__
- if (newHash !== lastHash) {
- if (lastHash) {
- const deps = viteManifestToDeps(manifests)
- // asynchronously rewarm the cache
- fileCache.warmUp(manifests, deps)
- }
- lastHash = newHash
+ // cache data
+ lastHash = newHash
+ lastManifest = manifest
+
+ if (warmUp) {
+ const deps = viteManifestToDeps(manifest)
+ // asynchronously rewarm the cache
+ fileCache.warmUp(manifest, deps)
}
- })
+
+ Object.defineProperty(manifest, '__hash__', {
+ enumerable: false,
+ writable: true,
+ value: newHash
+ })
+ return manifest
+ })().catch(err => logger.error(`Could not reload manifests: ${err}`))
+ lastManifest = lastManifest || promise
+
lastCacheTime = +new Date()
}
- return cachePromise
+ return lastManifest
}
})()
-export async function getOxManifests () {
- await loadViteManifests().catch(() => {})
+export function getOxManifests () {
+ loadViteManifests()
return fileCache.oxManifests
}
-export async function getDependencies () {
- // simply catch the error here. This might happen, when one of the UI containers is temporarily not available
- await loadViteManifests().catch(() => {})
+export function getDependencies () {
+ loadViteManifests()
return fileCache.dependencies
}
@@ -90,7 +112,7 @@ export async function getCSSDependenciesFor (file) {
return dependencies.filter(dep => /\.css/i.test(dep))
}
-export async function getVersion () {
- await loadViteManifests().catch(() => {})
+export function getVersion () {
+ loadViteManifests()
return fileCache.hash
}