feat(codedeploy): allow setting a Deployment Configuration for an imported Lambda Deployment Group. (#3158)

Author: skinny85

packages/@aws-cdk/aws-codedeploy/lib/lambda/deployment-group.ts

@@ -29,6 +29,11 @@ export interface ILambdaDeploymentGroup extends cdk.IResource {
    * @attribute
    */
   readonly deploymentGroupArn: string;
+
+  /**
+   * The Deployment Configuration this Group uses.
+   */
+  readonly deploymentConfig: ILambdaDeploymentConfig;
 }
 
 /**
@@ -52,7 +57,7 @@ export interface LambdaDeploymentGroupProps {
   /**
    * The Deployment Configuration this Deployment Group uses.
    *
-   * @default LambdaDeploymentConfig#AllAtOnce
+   * @default LambdaDeploymentConfig.CANARY_10PERCENT_5MINUTES
    */
   readonly deploymentConfig?: ILambdaDeploymentConfig;
 
@@ -135,6 +140,7 @@ export class LambdaDeploymentGroup extends cdk.Resource implements ILambdaDeploy
   public readonly application: ILambdaApplication;
   public readonly deploymentGroupName: string;
   public readonly deploymentGroupArn: string;
+  public readonly deploymentConfig: ILambdaDeploymentConfig;
   public readonly role: iam.IRole;
 
   private readonly alarms: cloudwatch.IAlarm[];
@@ -154,12 +160,13 @@ export class LambdaDeploymentGroup extends cdk.Resource implements ILambdaDeploy
     });
 
     this.role.addManagedPolicy(iam.ManagedPolicy.fromAwsManagedPolicyName('service-role/AWSCodeDeployRoleForLambda'));
+    this.deploymentConfig = props.deploymentConfig || LambdaDeploymentConfig.CANARY_10PERCENT_5MINUTES;
 
     const resource = new CfnDeploymentGroup(this, 'Resource', {
       applicationName: this.application.applicationName,
       serviceRoleArn: this.role.roleArn,
       deploymentGroupName: this.physicalName,
-      deploymentConfigName: (props.deploymentConfig || LambdaDeploymentConfig.ALL_AT_ONCE).deploymentConfigName,
+      deploymentConfigName: this.deploymentConfig.deploymentConfigName,
       deploymentStyle: {
         deploymentType: 'BLUE_GREEN',
         deploymentOption: 'WITH_TRAFFIC_CONTROL'
@@ -262,17 +269,26 @@ export interface LambdaDeploymentGroupAttributes {
    * that we are referencing.
    */
   readonly deploymentGroupName: string;
+
+  /**
+   * The Deployment Configuration this Deployment Group uses.
+   *
+   * @default LambdaDeploymentConfig.CANARY_10PERCENT_5MINUTES
+   */
+  readonly deploymentConfig?: ILambdaDeploymentConfig;
 }
 
 class ImportedLambdaDeploymentGroup extends cdk.Resource implements ILambdaDeploymentGroup {
   public readonly application: ILambdaApplication;
   public readonly deploymentGroupName: string;
   public readonly deploymentGroupArn: string;
+  public readonly deploymentConfig: ILambdaDeploymentConfig;
 
   constructor(scope: cdk.Construct, id: string, props: LambdaDeploymentGroupAttributes) {
     super(scope, id);
     this.application = props.application;
     this.deploymentGroupName = props.deploymentGroupName;
     this.deploymentGroupArn = arnForDeploymentGroup(props.application.applicationName, props.deploymentGroupName);
+    this.deploymentConfig = props.deploymentConfig || LambdaDeploymentConfig.CANARY_10PERCENT_5MINUTES;
   }
 }

packages/@aws-cdk/aws-codedeploy/test/lambda/test.deployment-group.ts

@@ -581,5 +581,21 @@ export = {
 
       test.done();
     },
-  }
+
+    'imported with fromLambdaDeploymentGroupAttributes': {
+      'defaults the Deployment Config to Canary10Percent5Minutes'(test: Test) {
+        const stack = new cdk.Stack();
+
+        const lambdaApp = codedeploy.LambdaApplication.fromLambdaApplicationName(stack, 'LA', 'LambdaApplication');
+        const importedGroup = codedeploy.LambdaDeploymentGroup.fromLambdaDeploymentGroupAttributes(stack, 'LDG', {
+          application: lambdaApp,
+          deploymentGroupName: 'LambdaDeploymentGroup',
+        });
+
+        test.equal(importedGroup.deploymentConfig, LambdaDeploymentConfig.CANARY_10PERCENT_5MINUTES);
+
+        test.done();
+      },
+    },
+  },
 };