feat(aws-ecs): support runtime platform property for create fargate w…

…indows runtime. (aws#17622)

feat(aws-ecs): support runtime platform property for create fargate windows and Graviton2 runtime.

close aws#17242
----

*By submitting this pull request, I confirm that my contribution is made under the terms of the Apache-2.0 license*

packages/@aws-cdk/aws-ecs/README.md

@@ -447,6 +447,50 @@ taskDefinition.addContainer('container', {
 });
 ```
 
+### Using Windows containers on Fargate
+
+AWS Fargate supports Amazon ECS Windows containers. For more details, please see this [blog post](https://aws.amazon.com/tw/blogs/containers/running-windows-containers-with-amazon-ecs-on-aws-fargate/)
+
+```ts
+// Create a Task Definition for the Windows container to start
+const taskDefinition = new ecs.FargateTaskDefinition(this, 'TaskDef', {
+  runtimePlatform: {
+    operatingSystemFamily: ecs.OperatingSystemFamily.WINDOWS_SERVER_2019_CORE,
+    cpuArchitecture: ecs.CpuArchitecture.X86_64,
+  },
+  cpu: 1024,
+  memoryLimitMiB: 2048,
+});
+
+taskDefinition.addContainer('windowsservercore', {
+  logging: ecs.LogDriver.awsLogs({ streamPrefix: 'win-iis-on-fargate' }),
+  portMappings: [{ containerPort: 80 }],
+  image: ecs.ContainerImage.fromRegistry('mcr.microsoft.com/windows/servercore/iis:windowsservercore-ltsc2019'),
+});
+```
+
+### Using Graviton2 with Fargate  
+
+AWS Graviton2 supports AWS Fargate. For more details, please see this [blog post](https://aws.amazon.com/blogs/aws/announcing-aws-graviton2-support-for-aws-fargate-get-up-to-40-better-price-performance-for-your-serverless-containers/)
+
+```ts
+// Create a Task Definition for running container on Graviton Runtime.
+const taskDefinition = new ecs.FargateTaskDefinition(this, 'TaskDef', {
+  runtimePlatform: {
+    operatingSystemFamily: ecs.OperatingSystemFamily.LINUX,
+    cpuArchitecture: ecs.CpuArchitecture.ARM64,
+  },
+  cpu: 1024,
+  memoryLimitMiB: 2048,
+});
+
+taskDefinition.addContainer('webarm64', {
+  logging: ecs.LogDriver.awsLogs({ streamPrefix: 'graviton2-on-fargate' }),
+  portMappings: [{ containerPort: 80 }],
+  image: ecs.ContainerImage.fromRegistry('public.ecr.aws/nginx/nginx:latest-arm64v8'),
+});
+```
+
 ## Service
 
 A `Service` instantiates a `TaskDefinition` on a `Cluster` a given number of

packages/@aws-cdk/aws-ecs/lib/base/task-definition.ts

@@ -8,6 +8,7 @@ import { FirelensLogRouter, FirelensLogRouterDefinitionOptions, FirelensLogRoute
 import { AwsLogDriver } from '../log-drivers/aws-log-driver';
 import { PlacementConstraint } from '../placement';
 import { ProxyConfiguration } from '../proxy-configuration/proxy-configuration';
+import { RuntimePlatform } from '../runtime-platform';
 import { ImportedTaskDefinition } from './_imported-task-definition';
 
 /**
@@ -208,6 +209,15 @@ export interface TaskDefinitionProps extends CommonTaskDefinitionProps {
    * @default - Undefined, in which case, the task will receive 20GiB ephemeral storage.
    */
   readonly ephemeralStorageGiB?: number;
+
+  /**
+   * The operating system that your task definitions are running on.
+   * A runtimePlatform is supported only for tasks using the Fargate launch type.
+   *
+   *
+   * @default - Undefined.
+   */
+  readonly runtimePlatform?: RuntimePlatform;
 }
 
 /**
@@ -369,6 +379,8 @@ export class TaskDefinition extends TaskDefinitionBase {
 
   private _referencesSecretJsonField?: boolean;
 
+  private runtimePlatform?: RuntimePlatform;
+
   /**
    * Constructs a new instance of the TaskDefinition class.
    */
@@ -405,6 +417,10 @@ export class TaskDefinition extends TaskDefinitionBase {
       throw new Error(`External tasks can only have Bridge network mode, got: ${this.networkMode}`);
     }
 
+    if (!this.isFargateCompatible && props.runtimePlatform) {
+      throw new Error('Cannot specify runtimePlatform in non-Fargate compatible tasks');
+    }
+
     this._executionRole = props.executionRole;
 
     this.taskRole = props.taskRole || new iam.Role(this, 'TaskRole', {
@@ -417,6 +433,15 @@ export class TaskDefinition extends TaskDefinitionBase {
 
     this.ephemeralStorageGiB = props.ephemeralStorageGiB;
 
+    // validate the cpu and memory size for the Windows operation system family.
+    if (props.runtimePlatform?.operatingSystemFamily?._operatingSystemFamily.includes('WINDOWS')) {
+      // We know that props.cpu and props.memoryMiB are defined because an error would have been thrown previously if they were not.
+      // But, typescript is not able to figure this out, so using the `!` operator here to let the type-checker know they are defined.
+      this.checkFargateWindowsBasedTasksSize(props.cpu!, props.memoryMiB!, props.runtimePlatform!);
+    }
+
+    this.runtimePlatform = props.runtimePlatform;
+
     const taskDef = new CfnTaskDefinition(this, 'Resource', {
       containerDefinitions: Lazy.any({ produce: () => this.renderContainers() }, { omitEmptyArray: true }),
       volumes: Lazy.any({ produce: () => this.renderVolumes() }, { omitEmptyArray: true }),
@@ -445,6 +470,10 @@ export class TaskDefinition extends TaskDefinitionBase {
       ephemeralStorage: this.ephemeralStorageGiB ? {
         sizeInGiB: this.ephemeralStorageGiB,
       } : undefined,
+      runtimePlatform: this.isFargateCompatible && this.runtimePlatform ? {
+        cpuArchitecture: this.runtimePlatform?.cpuArchitecture?._cpuArchitecture,
+        operatingSystemFamily: this.runtimePlatform?.operatingSystemFamily?._operatingSystemFamily,
+      } : undefined,
     });
 
     if (props.placementConstraints) {
@@ -697,6 +726,24 @@ export class TaskDefinition extends TaskDefinitionBase {
 
     return this.containers.map(x => x.renderContainerDefinition());
   }
+
+  private checkFargateWindowsBasedTasksSize(cpu: string, memory: string, runtimePlatform: RuntimePlatform) {
+    if (Number(cpu) === 1024) {
+      if (Number(memory) < 1024 || Number(memory) > 8192 || (Number(memory)% 1024 !== 0)) {
+        throw new Error(`If provided cpu is ${cpu}, then memoryMiB must have a min of 1024 and a max of 8192, in 1024 increments. Provided memoryMiB was ${Number(memory)}.`);
+      }
+    } else if (Number(cpu) === 2048) {
+      if (Number(memory) < 4096 || Number(memory) > 16384 || (Number(memory) % 1024 !== 0)) {
+        throw new Error(`If provided cpu is ${cpu}, then memoryMiB must have a min of 4096 and max of 16384, in 1024 increments. Provided memoryMiB ${Number(memory)}.`);
+      }
+    } else if (Number(cpu) === 4096) {
+      if (Number(memory) < 8192 || Number(memory) > 30720 || (Number(memory) % 1024 !== 0)) {
+        throw new Error(`If provided cpu is ${ cpu }, then memoryMiB must have a min of 8192 and a max of 30720, in 1024 increments.Provided memoryMiB was ${ Number(memory) }.`);
+      }
+    } else {
+      throw new Error(`If operatingSystemFamily is ${runtimePlatform.operatingSystemFamily!._operatingSystemFamily}, then cpu must be in 1024 (1 vCPU), 2048 (2 vCPU), or 4096 (4 vCPU). Provided value was: ${cpu}`);
+    }
+  };
 }
 
 /**

packages/@aws-cdk/aws-ecs/lib/fargate/fargate-task-definition.ts

@@ -9,6 +9,7 @@ import {
   NetworkMode,
   TaskDefinition,
 } from '../base/task-definition';
+import { RuntimePlatform } from '../runtime-platform';
 
 /**
  * The properties for a task definition.
@@ -59,6 +60,15 @@ export interface FargateTaskDefinitionProps extends CommonTaskDefinitionProps {
    * @default 20
    */
   readonly ephemeralStorageGiB?: number;
+
+  /**
+   * The operating system that your task definitions are running on.
+   *
+   * A runtimePlatform is supported only for tasks using the Fargate launch type.
+   *
+   * @default - Undefined.
+   */
+  readonly runtimePlatform?: RuntimePlatform;
 }
 
 /**

packages/@aws-cdk/aws-ecs/lib/index.ts

@@ -42,6 +42,7 @@ export * from './log-drivers/log-drivers';
 export * from './proxy-configuration/app-mesh-proxy-configuration';
 export * from './proxy-configuration/proxy-configuration';
 export * from './proxy-configuration/proxy-configurations';
+export * from './runtime-platform';
 
 // AWS::ECS CloudFormation Resources:
 //

packages/@aws-cdk/aws-ecs/lib/runtime-platform.ts

@@ -0,0 +1,111 @@
+/**
+ * The CpuArchitecture for Fargate Runtime Platform.
+ */
+export class CpuArchitecture {
+  /**
+   * ARM64
+   */
+  public static readonly ARM64 = CpuArchitecture.of('ARM64');
+
+  /**
+   * X86_64
+   */
+  public static readonly X86_64 = CpuArchitecture.of('X86_64');
+
+  /**
+   * Other cpu architecture.
+   *
+   * @see https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-properties-ecs-taskdefinition-runtimeplatform.html#cfn-ecs-taskdefinition-runtimeplatform-cpuarchitecture for all available cpu architecture.
+   *
+   * @param cpuArchitecture cpu architecture.
+   *
+   */
+  public static of(cpuArchitecture: string) { return new CpuArchitecture(cpuArchitecture); }
+
+  /**
+   *
+   * @param _cpuArchitecture The CPU architecture.
+   */
+  private constructor(public readonly _cpuArchitecture: string) { }
+}
+
+/**
+ * The operating system for Fargate Runtime Platform.
+ */
+export class OperatingSystemFamily {
+  /**
+   * LINUX
+   */
+  public static readonly LINUX = OperatingSystemFamily.of('LINUX');
+
+  /**
+   * WINDOWS_SERVER_2004_CORE
+   */
+  public static readonly WINDOWS_SERVER_2004_CORE = OperatingSystemFamily.of('WINDOWS_SERVER_2004_CORE');
+
+  /**
+   * WINDOWS_SERVER_2016_FULL
+   */
+  public static readonly WINDOWS_SERVER_2016_FULL = OperatingSystemFamily.of('WINDOWS_SERVER_2016_FULL');
+
+  /**
+   * WINDOWS_SERVER_2019_CORE
+   */
+  public static readonly WINDOWS_SERVER_2019_CORE = OperatingSystemFamily.of('WINDOWS_SERVER_2019_CORE');
+
+  /**
+   * WINDOWS_SERVER_2019_FULL
+   */
+  public static readonly WINDOWS_SERVER_2019_FULL = OperatingSystemFamily.of('WINDOWS_SERVER_2019_FULL');
+
+  /**
+   * WINDOWS_SERVER_2022_CORE
+   */
+  public static readonly WINDOWS_SERVER_2022_CORE = OperatingSystemFamily.of('WINDOWS_SERVER_2022_CORE');
+
+  /**
+   * WINDOWS_SERVER_2022_FULL
+   */
+  public static readonly WINDOWS_SERVER_2022_FULL = OperatingSystemFamily.of('WINDOWS_SERVER_2022_FULL');
+
+  /**
+   * WINDOWS_SERVER_20H2_CORE
+   */
+  public static readonly WINDOWS_SERVER_20H2_CORE = OperatingSystemFamily.of('WINDOWS_SERVER_20H2_CORE');
+
+  /**
+   * Other operating system family.
+   *
+   * @see https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-properties-ecs-taskdefinition-runtimeplatform.html#cfn-ecs-taskdefinition-runtimeplatform-operatingsystemfamily for all available operating system family.
+   *
+   * @param family operating system family.
+   *
+   */
+  public static of(family: string) { return new OperatingSystemFamily(family); }
+
+  /**
+   *
+   * @param _operatingSystemFamily The operating system family.
+   */
+  private constructor(public readonly _operatingSystemFamily: string) { }
+}
+
+
+/**
+ * The interface for Runtime Platform.
+ */
+export interface RuntimePlatform {
+  /**
+   * The CpuArchitecture for Fargate Runtime Platform.
+   *
+   * @default - Undefined.
+   */
+  readonly cpuArchitecture?: CpuArchitecture,
+
+  /**
+   * The operating system for Fargate Runtime Platform.
+   *
+   * @default - Undefined.
+   */
+  readonly operatingSystemFamily?: OperatingSystemFamily,
+}