Replace terrafrom with aws-cdk

.eslintrc.json

@@ -0,0 +1,14 @@
+{
+  "parser": "@typescript-eslint/parser",
+  "parserOptions": {
+    "ecmaVersion": 2020,
+    "project": ["tsconfig.json"]
+  },
+  "env": {
+    "es2020": true
+  },
+  "extends": ["standard-with-typescript"],
+  "rules": {
+    "@typescript-eslint/ban-types": {}
+  }
+}

.gitignore

@@ -1,5 +1,14 @@
-*.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
+
+# Generates on `make deploy`
+.aws_profile
+
+packages
+vendor

.npmignore

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

Makefile

@@ -0,0 +1,33 @@
+SOURCE_DIR := lib/common/compute/lambda
+DEST_DIR := packages
+SUBDIRS := $(wildcard $(SOURCE_DIR)/*)
+ZIP_TARGETS := $(patsubst $(SOURCE_DIR)/%,$(DEST_DIR)/%.zip,$(SUBDIRS))
+
+CDK_DEPLOY_COMMAND := cdk deploy
+AWS_PROFILE_FILE := .aws_profile
+
+all: package
+package: $(DEST_DIR) $(ZIP_TARGETS)
+
+$(DEST_DIR):
+	@mkdir -p $(DEST_DIR)
+
+$(DEST_DIR)/%.zip: $(SOURCE_DIR)/%
+	@echo "Packaging $<..."
+	@cd $< && zip -r $(abspath $@) .
+
+clean:
+	@echo "Cleaning up..."
+	@rm -rf $(DEST_DIR)/*.zip
+
+deploy: clean package
+	@if [ -f "$(AWS_PROFILE_FILE)" ]; then \
+		aws_profile=$$(cat $(AWS_PROFILE_FILE)); \
+	else \
+		read -p "Please enter your AWS profile name to proceed: " aws_profile; \
+		echo $$aws_profile > $(AWS_PROFILE_FILE); \
+	fi; \
+	aws-vault clear; \
+	aws-vault exec --no-session $$aws_profile -- $(CDK_DEPLOY_COMMAND); \
+
+.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 +1,46 @@
+{
+  "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 → lib/common/compute/lambda/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 { type 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 +1,35 @@
+import { Construct } from "constructs";
+import { type TLambdas } from "./lambdas";
+import { LambdaIntegration, RestApi } from "aws-cdk-lib/aws-apigateway";
+import { type IFunction } from "aws-cdk-lib/aws-lambda";
+
+interface IApiGatewayProps {
+  lambdas: TLambdas;
+}
+
+export default class ApiGateway extends Construct {
+  private battleApi: RestApi;
+
+  constructor(scope: Construct, id: string, props: IApiGatewayProps) {
+    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 +1,34 @@
+import {
+  AttributeType,
+  BillingMode,
+  type 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 +1,94 @@
+import { Duration, type StackProps } from "aws-cdk-lib";
+import {
+  Code,
+  Runtime,
+  Function,
+  Tracing,
+  type IFunction,
+  type FunctionOptions,
+  type AssetCode,
+} from "aws-cdk-lib/aws-lambda";
+import { Construct } from "constructs";
+import { type ITable } from "aws-cdk-lib/aws-dynamodb";
+import { RetentionDays } from "aws-cdk-lib/aws-logs";
+import { ApiEventSource } from "aws-cdk-lib/aws-lambda-event-sources";
+
+enum ELangCase {
+  Ruby2_7 = "ruby-2-7-x86",
+}
+
+interface ILambdasProps extends StackProps {
+  baseTable: ITable;
+}
+
+interface TCustomLambdaConfig {
+  runtime: Runtime;
+  code: AssetCode;
+  handler: string;
+  environment?: Record<string, string>;
+}
+
+export interface TLambdas {
+  [ELangCase.Ruby2_7]: IFunction;
+}
+
+export default class Lambdas extends Construct {
+  public static readonly DEFAULT_FUNCTION_PROPS: FunctionOptions = {
+    logRetention: RetentionDays.ONE_WEEK,
+    events: [ApiEventSource],
+    timeout: Duration.seconds(60),
+    tracing: Tracing.PASS_THROUGH,
+  };
+
+  public static readonly LAMBDA_CONFIGS = {
+    [ELangCase.Ruby2_7]: {
+      handler: "src/func.handler",
+      code: Code.fromAsset("./packages/ruby-2.7.zip"),
+      runtime: Runtime.RUBY_2_7,
+      environment: {
+        GEM_PATH: "./vendor",
+      },
+    },
+  };
+
+  readonly Ruby2_7Lambda: IFunction;
+
+  private readonly props: ILambdasProps;
+
+  constructor(scope: Construct, id: string, props: ILambdasProps) {
+    super(scope, id);
+
+    this.props = props;
+    this.Ruby2_7Lambda = this.createBattleLambda(ELangCase.Ruby2_7);
+  }
+
+  public all(): TLambdas {
+    return {
+      [ELangCase.Ruby2_7]: this.Ruby2_7Lambda,
+    };
+  }
+
+  private createBattleLambda(name: ELangCase): IFunction {
+    const config: TCustomLambdaConfig = Lambdas.LAMBDA_CONFIGS[name];
+
+    const battleLambdaProps = {
+      ...Lambdas.DEFAULT_FUNCTION_PROPS,
+      ...config,
+      functionName: `${name}-Battle-Function`,
+      environment: {
+        TABLE: this.props.baseTable.tableName,
+        ...(config.environment || {}),
+      },
+    };
+
+    const battleLambda = new Function(
+      this,
+      `${name}-battle-lambda`,
+      battleLambdaProps
+    );
+
+    this.props.baseTable.grantReadWriteData(battleLambda);
+
+    return battleLambda;
+  }
+}