Replace terraform with aws-cdk

.gitignore

@@ -1,5 +1,10 @@
-*.tfstate.backup
-*/**/dist
-.terraform
-functions/*/src/vendor
-*/node_modules
+*.js
+!jest.config.js
+*.d.ts
+node_modules
+
+# CDK asset staging directory
+.cdk.staging
+cdk.out
+
+packages

.npmignore

@@ -0,0 +1,6 @@
+*.ts
+!*.d.ts
+
+# CDK asset staging directory
+.cdk.staging
+cdk.out

Makefile

@@ -0,0 +1,21 @@
+SOURCE_DIR := lambdas
+DEST_DIR := packages
+SUBDIRS := $(wildcard $(SOURCE_DIR)/*)
+ZIP_TARGETS := $(patsubst $(SOURCE_DIR)/%,$(DEST_DIR)/%.zip,$(SUBDIRS))
+
+all: package
+package: $(ZIP_TARGETS)
+
+
+$(DEST_DIR):
+	@mkdir -p $(DEST_DIR)
+
+$(DEST_DIR)/%.zip: $(SOURCE_DIR)/%
+	@echo "Packaging $<..."
+	@cd $< && zip -r $(abspath $@) .
+
+clean:
+	@echo "Cleaning up..."
+	@rm -rf $(DEST_DIR)/*.zip
+
+.PHONY: all package clean

bin/lambda-battle.ts

@@ -0,0 +1,7 @@
+#!/usr/bin/env node
+import 'source-map-support/register';
+import * as cdk from 'aws-cdk-lib';
+import { LambdaBattleStack } from '../lib/lambda-battle-stack';
+
+const app = new cdk.App();
+new LambdaBattleStack(app, 'LambdaBattleStack');

cdk.json

@@ -0,0 +1,51 @@
+{
+  "app": "npx ts-node --prefer-ts-exts bin/lambda-battle.ts",
+  "watch": {
+    "include": [
+      "**"
+    ],
+    "exclude": [
+      "README.md",
+      "cdk*.json",
+      "**/*.d.ts",
+      "**/*.js",
+      "tsconfig.json",
+      "package*.json",
+      "yarn.lock",
+      "node_modules",
+      "test"
+    ]
+  },
+  "context": {
+    "@aws-cdk/aws-lambda:recognizeLayerVersion": true,
+    "@aws-cdk/core:checkSecretUsage": true,
+    "@aws-cdk/core:target-partitions": [
+      "aws",
+      "aws-cn"
+    ],
+    "@aws-cdk-containers/ecs-service-extensions:enableDefaultLogDriver": true,
+    "@aws-cdk/aws-ec2:uniqueImdsv2TemplateName": true,
+    "@aws-cdk/aws-ecs:arnFormatIncludesClusterName": true,
+    "@aws-cdk/aws-iam:minimizePolicies": true,
+    "@aws-cdk/core:validateSnapshotRemovalPolicy": true,
+    "@aws-cdk/aws-codepipeline:crossAccountKeyAliasStackSafeResourceName": true,
+    "@aws-cdk/aws-s3:createDefaultLoggingPolicy": true,
+    "@aws-cdk/aws-sns-subscriptions:restrictSqsDescryption": true,
+    "@aws-cdk/aws-apigateway:disableCloudWatchRole": true,
+    "@aws-cdk/core:enablePartitionLiterals": true,
+    "@aws-cdk/aws-events:eventsTargetQueueSameAccount": true,
+    "@aws-cdk/aws-iam:standardizedServicePrincipals": true,
+    "@aws-cdk/aws-ecs:disableExplicitDeploymentControllerForCircuitBreaker": true,
+    "@aws-cdk/aws-iam:importedRoleStackSafeDefaultPolicyName": true,
+    "@aws-cdk/aws-s3:serverAccessLogsUseBucketPolicy": true,
+    "@aws-cdk/aws-route53-patters:useCertificate": true,
+    "@aws-cdk/customresources:installLatestAwsSdkDefault": false,
+    "@aws-cdk/aws-rds:databaseProxyUniqueResourceName": true,
+    "@aws-cdk/aws-codedeploy:removeAlarmsFromDeploymentGroup": true,
+    "@aws-cdk/aws-apigateway:authorizerChangeDeploymentLogicalId": true,
+    "@aws-cdk/aws-ec2:launchTemplateDefaultUserData": true,
+    "@aws-cdk/aws-secretsmanager:useAttachedSecretResourcePolicyForSecretTargetAttachments": true,
+    "@aws-cdk/aws-redshift:columnId": true,
+    "@aws-cdk/aws-stepfunctions-tasks:enableEmrServicePolicyV2": true
+  }
+}

jest.config.js

@@ -0,0 +1,8 @@
+module.exports = {
+  testEnvironment: 'node',
+  roots: ['<rootDir>/test'],
+  testMatch: ['**/*.test.ts'],
+  transform: {
+    '^.+\\.tsx?$': 'ts-jest'
+  }
+};

ruby-2.7/src/func.rb → lambdas/ruby-2.7/src/func.rb

@@ -1,4 +1,5 @@
 require "aws-sdk-dynamodb"
+require 'json'
 
 DB = ::Aws::DynamoDB::Client.new
 LANG = "ruby-2.7-x86"

lib/lambda-battle-stack.ts

@@ -0,0 +1,19 @@
+import * as cdk from 'aws-cdk-lib';
+import { Construct } from 'constructs';
+import { Lambdas, ApiGateway, Database } from './resources';
+
+export class LambdaBattleStack extends cdk.Stack {
+  constructor(scope: Construct, id: string, props?: cdk.StackProps) {
+    super(scope, id, props);
+
+    const db = new Database(this, 'Database')
+
+    const lambdas = new Lambdas(this, 'Lambdas', {
+      baseTable: db.baseTable
+    })
+
+    new ApiGateway(this, 'ApiGateway', {
+      lambdas: lambdas.all()
+    })
+  }
+}

lib/resources/apigateway.ts

@@ -0,0 +1,36 @@
+import { Construct } from "constructs";
+import { TLambdas } from "./lambdas";
+import { LambdaIntegration, RestApi } from "aws-cdk-lib/aws-apigateway";
+import { IFunction } from "aws-cdk-lib/aws-lambda";
+
+
+interface ApiGatewayProps {
+  lambdas: TLambdas
+}
+
+export default class ApiGateway extends Construct {
+  private battleApi: RestApi
+
+  constructor(scope: Construct, id: string, props: ApiGatewayProps) {
+    super(scope, id);
+
+    this.createLambdaBattleApi(props.lambdas);
+  }
+
+  private createLambdaBattleApi(funcs: TLambdas) {
+    this.battleApi ||= new RestApi(this, "lambda-battle-api", {
+      deploy: true,
+      restApiName: `Lambda Battle Api`
+    })
+
+    Object.entries(funcs).forEach(([k, w]) => this.addBattleLambdaEndpoint(k, w))
+  }
+
+  private addBattleLambdaEndpoint(name: string, func: IFunction) {
+    const lambdaIntegration = new LambdaIntegration(func)
+
+    this.battleApi.root
+      .addResource(name)
+      .addMethod("POST", lambdaIntegration)
+  }
+}

lib/resources/database.ts

@@ -0,0 +1,29 @@
+import { AttributeType, BillingMode, ITable, Table } from "aws-cdk-lib/aws-dynamodb";
+import { Construct } from "constructs";
+
+export default class Database extends Construct {
+  public readonly baseTable: ITable;
+
+  constructor(scope: Construct, id: string) {
+    super(scope, id);
+
+    this.baseTable = this.createBaseTable();
+  }
+
+  private createBaseTable(): ITable {
+    const baseTable = new Table(this, 'lambda-battle-data', {
+      tableName: 'lambda-battle-data',
+      partitionKey: {
+        name: 'langCase',
+        type: AttributeType.STRING
+      },
+      sortKey: {
+        name: "iteration",
+        type: AttributeType.NUMBER
+      },
+      billingMode: BillingMode.PAY_PER_REQUEST
+    });
+
+    return baseTable;
+  }
+}

lib/resources/index.ts

@@ -0,0 +1,3 @@
+export { default as Lambdas } from "./lambdas";
+export { default as Database } from "./database";
+export { default as ApiGateway } from "./apigateway";

lib/resources/lambdas.ts

@@ -0,0 +1,60 @@
+import { Duration, StackProps } from "aws-cdk-lib";
+import { Code, Runtime, Function, IFunction } from "aws-cdk-lib/aws-lambda";
+import { Construct } from "constructs";
+import { RetentionDays } from "aws-cdk-lib/aws-logs";
+import * as ssm from 'aws-cdk-lib/aws-ssm';
+import { ITable } from "aws-cdk-lib/aws-dynamodb";
+
+export interface LambdasProps extends StackProps {
+  baseTable: ITable;
+}
+
+export type TLambdas = {
+  'ruby-2.7-x86': IFunction
+}
+
+type LambdaOptions = {
+  runtime: Runtime,
+  lpackage: string,
+  env?: { [key: string]: string }
+}
+
+export default class Lambdas extends Construct {
+  readonly Ruby2_7Lambda: Function;
+
+  private props: LambdasProps;
+
+  constructor(scope: Construct, id: string, props: LambdasProps) {
+    super(scope, id);
+
+    this.props = props
+    this.Ruby2_7Lambda = this.createRubyLambda({
+      runtime: Runtime.RUBY_2_7, lpackage: 'ruby-2.7.zip'
+    });
+  }
+
+  public all = (): TLambdas => ({
+    'ruby-2.7-x86': this.Ruby2_7Lambda
+  })
+
+  private createRubyLambda(opts: LambdaOptions) {
+    const name = opts.lpackage.replace('.zip', '').replace(/\W/g, '_').toUpperCase()
+
+    const lambdaProps = {
+      functionName: `${name}-Battle-Function`,
+      code: Code.fromAsset(`./packages/${opts.lpackage}`),
+      handler: 'src/func.handler',
+      runtime: opts.runtime,
+      environment: {
+        GEM_PATH: './vendor',
+        TABLE: this.props.baseTable.tableName
+      }
+    }
+
+    const rubyFunction = new Function(this, `${name}-lambda`, lambdaProps);
+
+    this.props.baseTable.grantReadWriteData(rubyFunction);
+
+    return rubyFunction
+  }
+}