Main types and work for the CRUD operations of app backup backend in pro + the listeners to handle exporting apps from the server.

packages/backend-core/package.json

@@ -63,6 +63,7 @@
     ]
   },
   "devDependencies": {
+    "@types/bull": "^3.15.9",
     "@types/chance": "1.1.3",
     "@types/ioredis": "^4.28.10",
     "@types/jest": "27.5.1",

packages/backend-core/src/db/constants.ts

@@ -21,6 +21,7 @@ export enum ViewName {
   ACCOUNT_BY_EMAIL = "account_by_email",
   PLATFORM_USERS_LOWERCASE = "platform_users_lowercase",
   USER_BY_GROUP = "by_group_user",
+  APP_BACKUP_BY_TRIGGER = "by_trigger",
 }
 
 export const DeprecatedViews = {
@@ -49,6 +50,7 @@ export enum DocumentType {
   TABLE = "ta",
   DATASOURCE = "datasource",
   DATASOURCE_PLUS = "datasource_plus",
+  APP_BACKUP = "backup",
 }
 
 export const StaticDatabases = {

packages/backend-core/src/objectStore/index.ts

@@ -27,6 +27,7 @@ const CONTENT_TYPE_MAP: any = {
   css: "text/css",
   js: "application/javascript",
   json: "application/json",
+  gz: "application/gzip",
 }
 const STRING_CONTENT_TYPES = [
   CONTENT_TYPE_MAP.html,
@@ -149,7 +150,7 @@ export const upload = async ({
   type,
   metadata,
 }: any) => {
-  const extension = [...filename.split(".")].pop()
+  const extension = filename.split(".").pop()
   const fileBytes = fs.readFileSync(path)
 
   const objectStore = ObjectStore(bucketName)

packages/backend-core/src/queue/constants.ts

@@ -1,4 +1,4 @@
 export enum JobQueue {
-  AUTOMATIONS = "automationQueue",
-  APP_BACKUPS = "appBackupQueue",
+  AUTOMATION = "automationQueue",
+  APP_BACKUP = "appBackupQueue",
 }

packages/backend-core/src/queue/listeners.ts

@@ -34,10 +34,10 @@ function handleStalled(queue: Queue, removeStalled?: StalledFn) {
 function logging(queue: Queue, jobQueue: JobQueue) {
   let eventType: string
   switch (jobQueue) {
-    case JobQueue.AUTOMATIONS:
+    case JobQueue.AUTOMATION:
       eventType = "automation-event"
       break
-    case JobQueue.APP_BACKUPS:
+    case JobQueue.APP_BACKUP:
       eventType = "app-backup-event"
       break
   }

packages/backend-core/src/queue/queue.ts

@@ -16,10 +16,10 @@ async function cleanup() {
   }
 }
 
-export function createQueue(
+export function createQueue<T>(
   jobQueue: JobQueue,
   removeStalled?: StalledFn
-): BullQueue.Queue {
+): BullQueue.Queue<T> {
   const queueConfig: any = redisProtocolUrl || { redis: opts }
   let queue: any
   if (env.isTest()) {

packages/backend-core/yarn.lock

@@ -698,6 +698,14 @@
     "@types/connect" "*"
     "@types/node" "*"
 
+"@types/bull@^3.15.9":
+  version "3.15.9"
+  resolved "https://registry.yarnpkg.com/@types/bull/-/bull-3.15.9.tgz#e10e0901ec3762bff85716b3c580277960751c93"
+  integrity sha512-MPUcyPPQauAmynoO3ezHAmCOhbB0pWmYyijr/5ctaCqhbKWsjW0YCod38ZcLzUBprosfZ9dPqfYIcfdKjk7RNQ==
+  dependencies:
+    "@types/ioredis" "*"
+    "@types/redis" "^2.8.0"
+
 "@types/chance@1.1.3":
   version "1.1.3"
   resolved "https://registry.yarnpkg.com/@types/chance/-/chance-1.1.3.tgz#d19fe9391288d60fdccd87632bfc9ab2b4523fea"
@@ -768,7 +776,7 @@
   resolved "https://registry.yarnpkg.com/@types/http-errors/-/http-errors-1.8.2.tgz#7315b4c4c54f82d13fa61c228ec5c2ea5cc9e0e1"
   integrity sha512-EqX+YQxINb+MeXaIqYDASb6U6FCHbWjkj4a1CKDBks3d/QiB2+PqBLyO72vLDgAO1wUI4O+9gweRcQK11bTL/w==
 
-"@types/ioredis@^4.28.10":
+"@types/ioredis@*", "@types/ioredis@^4.28.10":
   version "4.28.10"
   resolved "https://registry.yarnpkg.com/@types/ioredis/-/ioredis-4.28.10.tgz#40ceb157a4141088d1394bb87c98ed09a75a06ff"
   integrity sha512-69LyhUgrXdgcNDv7ogs1qXZomnfOEnSmrmMFqKgt1XMJxmoOSG/u3wYy13yACIfKuMJ8IhKgHafDO3sx19zVQQ==

packages/server/src/app.ts

@@ -37,6 +37,7 @@ import {
 } from "./utilities/workerRequests"
 import { watch } from "./watch"
 import { initialise as initialiseWebsockets } from "./websocket"
+import sdk from "./sdk"
 
 const app = new Koa()
 
@@ -108,6 +109,7 @@ module.exports = server.listen(env.PORT || 0, async () => {
   eventEmitter.emitPort(env.PORT)
   fileSystem.init()
   await redis.init()
+  await sdk.backups.init()
 
   // run migrations on startup if not done via http
   // not recommended in a clustered environment

packages/server/src/automations/bullboard.js

@@ -5,7 +5,7 @@ const { queue } = require("@budibase/backend-core")
 const automation = require("../threads/automation")
 
 let automationQueue = queue.createQueue(
-  queue.JobQueue.AUTOMATIONS,
+  queue.JobQueue.AUTOMATION,
   automation.removeStalled
 )
 

packages/server/src/sdk/app/backups/backup.ts

@@ -0,0 +1,39 @@
+import { backups } from "@budibase/pro"
+import { objectStore, tenancy } from "@budibase/backend-core"
+import { exportApp } from "./exports"
+import { Job } from "bull"
+import fs from "fs"
+import env from "../../../environment"
+
+export async function init() {
+  await backups.addAppBackupProcessor(async (job: Job) => {
+    const appId = job.data.appId,
+      trigger = job.data.trigger,
+      name = job.data.name
+    const createdAt = new Date().toISOString()
+    const tarPath = await exportApp(appId, { tar: true })
+    let filename = `${appId}/backup-${createdAt}.tar.gz`
+    // add the tenant to the bucket path if backing up within a multi-tenant environment
+    if (env.MULTI_TENANCY) {
+      const tenantId = tenancy.getTenantIDFromAppID(appId)
+      filename = `${tenantId}/${filename}`
+    }
+    const bucket = objectStore.ObjectStoreBuckets.BACKUPS
+    const metadata = {
+      appId,
+      createdAt,
+      trigger,
+      name,
+    }
+    await objectStore.upload({
+      path: tarPath,
+      type: "application/gzip",
+      bucket,
+      filename,
+      metadata,
+    })
+    await backups.storeAppBackupMetadata(filename, metadata)
+    // clear up the tarball after uploading it
+    fs.rmSync(tarPath)
+  })
+}

packages/server/src/sdk/app/backups/index.ts

@@ -1,7 +1,9 @@
 import * as exportApps from "./exports"
 import * as importApps from "./imports"
+import * as backup from "./backup"
 
 export default {
   ...exportApps,
   ...importApps,
+  ...backup,
 }

packages/types/src/api/web/app/backup.ts

@@ -4,6 +4,7 @@ export interface SearchAppBackupsRequest {
   trigger: AppBackupTrigger
   startDate: string
   endDate: string
+  page?: string
 }
 
 export interface CreateAppBackupRequest {

packages/types/src/documents/app/backup.ts

@@ -6,16 +6,35 @@ export enum AppBackupTrigger {
   SCHEDULED = "scheduled",
 }
 
-export interface AppBackupContents {
-  datasources: string[]
-  screens: string[]
-  automations: string[]
-}
-
 export interface AppBackup extends Document {
   trigger: AppBackupTrigger
   name: string
-  date: string
-  userId: string
-  contents: AppBackupContents
+  createdAt: string
+  filename: string
+  appId: string
+  userId?: string
+  contents?: {
+    datasources: string[]
+    screens: string[]
+    automations: string[]
+  }
+}
+
+export type AppBackupFetchOpts = {
+  trigger?: AppBackupTrigger
+  limit?: number
+  page?: string
+  paginate?: boolean
+  startDate?: string
+  endDate?: string
+}
+
+export interface AppBackupQueueData {
+  trigger: AppBackupTrigger
+  name?: string
+  appId: string
+}
+
+export interface AppBackupMetadata extends AppBackupQueueData {
+  createdAt: string
 }