feat: store code package to oss for large size of code package (#9)

#Context

- store code package to oss for large size of code package 
- create bucket resource when needed
- upload zip code to bucket
- assign bucket link to fc code

Refers #5

---------

Signed-off-by: seven <zilisheng1996@gmail.com>

Author: Blankll

package-lock.json

@@ -53,6 +53,8 @@
     "@alicloud/ros-cdk-apigateway": "^1.4.0",
     "@alicloud/ros-cdk-core": "^1.4.0",
     "@alicloud/ros-cdk-fc3": "^1.4.0",
+    "@alicloud/ros-cdk-oss": "^1.4.0",
+    "@alicloud/ros-cdk-ossdeployment": "^1.4.0",
     "@alicloud/ros-cdk-ram": "^1.4.0",
     "@alicloud/ros20190910": "^3.5.0",
     "ajv": "^8.17.1",
@@ -67,8 +69,8 @@
   "devDependencies": {
     "@types/i18n": "^0.13.12",
     "@types/jest": "^29.5.13",
-    "@types/node": "^22.7.4",
     "@types/lodash": "^4.17.12",
+    "@types/node": "^22.7.4",
     "@typescript-eslint/eslint-plugin": "^8.8.0",
     "@typescript-eslint/parser": "^8.8.0",
     "eslint": "^8.57.1",

package.json

@@ -0,0 +1 @@
+export const CODE_ZIP_SIZE_LIMIT = 15 * 1024 * 1024;

src/common/constants.ts

@@ -2,13 +2,37 @@ import path from 'node:path';
 import fs from 'node:fs';
 import * as ros from '@alicloud/ros-cdk-core';
 import { ActionContext } from '../types';
+import * as ossDeployment from '@alicloud/ros-cdk-ossdeployment';
+import crypto from 'node:crypto';
 
 export const resolveCode = (location: string): string => {
   const filePath = path.resolve(process.cwd(), location);
   const fileContent = fs.readFileSync(filePath);
 
   return fileContent.toString('base64');
 };
+export const readCodeSize = (location: string): number => {
+  const filePath = path.resolve(process.cwd(), location);
+  const stats = fs.statSync(filePath);
+  return stats.size;
+};
+
+export const getFileSource = (
+  fcName: string,
+  location: string,
+): { source: ossDeployment.ISource; objectKey: string } => {
+  const filePath = path.resolve(process.cwd(), location);
+  if (fs.lstatSync(filePath).isDirectory()) {
+    throw new Error('The provided path is a directory, not a file.');
+  }
+
+  const hash = crypto.createHash('md5').update(fs.readFileSync(filePath)).digest('hex');
+
+  const objectKey = `${fcName}/${hash}.${filePath.split('.').pop()}`;
+  const source = ossDeployment.Source.asset(filePath, {}, objectKey);
+
+  return { source, objectKey };
+};
 
 const evalCtx = (value: string, ctx: ActionContext): string => {
   const containsStage = value.match(/\$\{ctx.\w+}/);

src/common/iacHelper.ts

@@ -4,3 +4,4 @@ export * from './getVersion';
 export * from './rosClient';
 export * from './actionContext';
 export * from './iacHelper';
+export * from './constants';

src/common/index.ts

@@ -2,9 +2,18 @@ import * as ros from '@alicloud/ros-cdk-core';
 import { RosParameterType } from '@alicloud/ros-cdk-core';
 import { ActionContext, EventTypes, ServerlessIac } from '../types';
 import * as fc from '@alicloud/ros-cdk-fc3';
+import { RosFunction } from '@alicloud/ros-cdk-fc3/lib/fc3.generated';
 import * as ram from '@alicloud/ros-cdk-ram';
 import * as agw from '@alicloud/ros-cdk-apigateway';
-import { replaceReference, resolveCode } from '../common';
+import * as oss from '@alicloud/ros-cdk-oss';
+import * as ossDeployment from '@alicloud/ros-cdk-ossdeployment';
+import {
+  CODE_ZIP_SIZE_LIMIT,
+  getFileSource,
+  readCodeSize,
+  replaceReference,
+  resolveCode,
+} from '../common';
 
 export class IacStack extends ros.Stack {
   private readonly service: string;
@@ -41,7 +50,45 @@ export class IacStack extends ros.Stack {
       replaceReference(`${this.service} stack`, context),
     );
 
+    const fileSources = iac.functions
+      .filter(({ code }) => readCodeSize(code) > CODE_ZIP_SIZE_LIMIT)
+      .map(({ code, name }) => ({ fcName: name, ...getFileSource(name, code) }));
+
+    let destinationBucket: oss.Bucket;
+    if (fileSources.length > 0) {
+      // creat oss to store code
+      destinationBucket = new oss.Bucket(
+        this,
+        replaceReference(`${this.service}_artifacts_bucket`, context),
+        {
+          bucketName: replaceReference(`${this.service}-artifacts-bucket`, context),
+          serverSideEncryptionConfiguration: { sseAlgorithm: 'KMS' },
+        },
+        true,
+      );
+      new ossDeployment.BucketDeployment(
+        this,
+        `${this.service}_artifacts_code_deployment`,
+        {
+          sources: fileSources.map(({ source }) => source),
+          destinationBucket,
+          timeout: 300,
+          logMonitoring: false, // 是否开启日志监控，设为false则不开启
+        },
+        true,
+      );
+    }
+
     iac.functions.forEach((fnc) => {
+      let code: RosFunction.CodeProperty = {
+        zipFile: resolveCode(fnc.code),
+      };
+      if (readCodeSize(fnc.code) > CODE_ZIP_SIZE_LIMIT) {
+        code = {
+          ossBucketName: destinationBucket.attrName,
+          ossObjectName: fileSources.find(({ fcName }) => fcName === fnc.name)?.objectKey,
+        };
+      }
       new fc.RosFunction(
         this,
         fnc.key,
@@ -52,9 +99,7 @@ export class IacStack extends ros.Stack {
           memorySize: replaceReference(fnc.memory, context),
           timeout: replaceReference(fnc.timeout, context),
           environmentVariables: replaceReference(fnc.environment, context),
-          code: {
-            zipFile: resolveCode(fnc.code),
-          },
+          code,
         },
         true,
       );

src/stack/iacStack.ts

@@ -0,0 +1,27 @@
+import * as ossDeployment from '@alicloud/ros-cdk-ossdeployment';
+import { getFileSource } from '../../src/common';
+import fs from 'node:fs';
+
+jest.mock('@alicloud/ros-cdk-ossdeployment');
+
+const fcName = 'testFunction';
+const location = 'tests/fixtures/artifacts/artifact.zip';
+
+describe('getFileSource', () => {
+  it('should return the correct ossDeployment source', () => {
+    getFileSource(fcName, location);
+    expect(ossDeployment.Source.asset).toHaveBeenCalledWith(
+      `${process.cwd()}/${location}`,
+      {},
+      `${fcName}/50861cd99a3a678356030f5f189300af.zip`,
+    );
+  });
+
+  it('should throw an error if the path is a directory', () => {
+    jest.spyOn(fs, 'lstatSync').mockReturnValue({ isDirectory: () => true } as fs.Stats);
+
+    expect(() => getFileSource(fcName, location)).toThrow(
+      'The provided path is a directory, not a file.',
+    );
+  });
+});