feat(ec2): t4g instances (#10817)

Closes: #10816 ---- *By submitting this pull request, I confirm that my contribution is made under the terms of the Apache-2.0 license*
aws · Oct 15, 2020 · 5e0cd2b · 5e0cd2b
1 parent eb2c568
commit 5e0cd2b
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Showing 2 changed files with 13 additions and 3 deletions.
diff --git a/packages/@aws-cdk/aws-ec2/lib/instance-types.ts b/packages/@aws-cdk/aws-ec2/lib/instance-types.ts
@@ -310,6 +310,16 @@ export enum InstanceClass {
    */
   T3A = 't3a',
 
+  /**
+   * Burstable instances, 4th generation with Graviton2 processors
+   */
+  BURSTABLE4_GRAVITON = 't4g',
+
+  /**
+   * Burstable instances, 4th generation with Graviton2 processors
+   */
+  T4G = 't4g',
+
   /**
    * Memory-intensive instances, 1st generation
    */
@@ -545,4 +555,4 @@ export class InstanceType {
   public toString(): string {
     return this.instanceTypeIdentifier;
   }
-}
+}
diff --git a/packages/@aws-cdk/aws-ec2/test/instance.test.ts b/packages/@aws-cdk/aws-ec2/test/instance.test.ts
@@ -19,12 +19,12 @@ nodeunitShim({
     new Instance(stack, 'Instance', {
       vpc,
       machineImage: new AmazonLinuxImage(),
-      instanceType: InstanceType.of(InstanceClass.MEMORY6_GRAVITON, InstanceSize.LARGE),
+      instanceType: InstanceType.of(InstanceClass.BURSTABLE4_GRAVITON, InstanceSize.LARGE),
     });
 
     // THEN
     cdkExpect(stack).to(haveResource('AWS::EC2::Instance', {
-      InstanceType: 'r6g.large',
+      InstanceType: 't4g.large',
     }));
 
     test.done();