feat(aws-autoscaling): allow setting spotPrice

Fixes aws#2208.
SoManyHs · May 17, 2019 · c91a49b · c91a49b
1 parent cfe46f6
commit c91a49b
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diff --git a/packages/@aws-cdk/aws-autoscaling/lib/auto-scaling-group.ts b/packages/@aws-cdk/aws-autoscaling/lib/auto-scaling-group.ts
@@ -174,6 +174,14 @@ export interface AutoScalingGroupProps extends CommonAutoScalingGroupProps {
    * @default A role will automatically be created, it can be accessed via the `role` property
    */
   readonly role?: iam.IRole;
+
+  /**
+   * The maximum hourly price to be paid for any Spot Instance launched to fulfill the request. Spot Instances are
+   * launched when the price you specify exceeds the current Spot market price.
+   *
+   * @default none
+   */
+  readonly spotPrice?: string;
 }
 
 abstract class AutoScalingGroupBase extends Resource implements IAutoScalingGroup {
@@ -369,6 +377,7 @@ export class AutoScalingGroup extends AutoScalingGroupBase implements
       iamInstanceProfile: iamProfile.ref,
       userData: userDataToken,
       associatePublicIpAddress: props.associatePublicIpAddress,
+      spotPrice: props.spotPrice,
     });
 
     launchConfig.node.addDependency(this.role);

diff --git a/packages/@aws-cdk/aws-autoscaling/test/test.auto-scaling-group.ts b/packages/@aws-cdk/aws-autoscaling/test/test.auto-scaling-group.ts
@@ -339,6 +339,7 @@ export = {
 
     test.done();
   },
+
   'can add Security Group to Fleet'(test: Test) {
     // GIVEN
     const stack = new cdk.Stack(undefined, 'MyStack', { env: { region: 'us-east-1', account: '1234' }});
@@ -363,6 +364,7 @@ export = {
     }));
     test.done();
   },
+
   'can set tags'(test: Test) {
     // GIVEN
     const stack = getTestStack();
@@ -405,6 +407,29 @@ export = {
     }));
     test.done();
   },
+
+  'allows setting spot price'(test: Test) {
+    // GIVEN
+    const stack = new cdk.Stack();
+    const vpc = mockVpc(stack);
+
+    // WHEN
+    new autoscaling.AutoScalingGroup(stack, 'MyStack', {
+      instanceType: new ec2.InstanceTypePair(ec2.InstanceClass.M4, ec2.InstanceSize.Micro),
+      machineImage: new ec2.AmazonLinuxImage(),
+      vpc,
+
+      spotPrice: "0.05",
+    });
+
+    // THEN
+    expect(stack).to(haveResource("AWS::AutoScaling::LaunchConfiguration", {
+      SpotPrice: "0.05",
+    }));
+
+    test.done();
+  },
+
   'allows association of public IP address'(test: Test) {
     // GIVEN
     const stack = new cdk.Stack();
@@ -430,6 +455,7 @@ export = {
     ));
     test.done();
   },
+
   'association of public IP address requires public subnet'(test: Test) {
     // GIVEN
     const stack = new cdk.Stack();
@@ -449,6 +475,7 @@ export = {
     });
     test.done();
   },
+
   'allows disassociation of public IP address'(test: Test) {
     // GIVEN
     const stack = new cdk.Stack();
@@ -472,6 +499,7 @@ export = {
     ));
     test.done();
   },
+
   'does not specify public IP address association by default'(test: Test) {
     // GIVEN
     const stack = new cdk.Stack();