feat(appconfig-alpha): add deploy method to configuration constructs

packages/@aws-cdk/aws-appconfig-alpha/README.md

@@ -176,6 +176,20 @@ new appconfig.HostedConfiguration(this, 'MyHostedConfiguration', {
 });
 ```
 
+To deploy a configuration to an environment after initialization use the `deploy` method:
+
+```ts
+declare const application: appconfig.Application;
+declare const env: appconfig.Environment;
+
+const config = new appconfig.HostedConfiguration(this, 'MyHostedConfiguration', {
+  application,
+  content: appconfig.ConfigurationContent.fromInlineText('This is my configuration content.'),
+});
+
+config.deploy(env);
+```
+
 ### SourcedConfiguration
 
 A sourced configuration represents configuration stored in an Amazon S3 bucket, AWS Secrets Manager secret, Systems Manager 

packages/@aws-cdk/aws-appconfig-alpha/lib/configuration.ts

@@ -303,6 +303,24 @@ abstract class ConfigurationBase extends Construct implements IConfiguration, IE
     this.extensible.addExtension(extension);
   }
 
+  /**
+   * Deploys the configuration to the specified environment.
+   *
+   * @param environment The environment to deploy the configuration to
+   */
+  public deploy(environment: IEnvironment) {
+    const logicalId = `Deployment${this.getDeploymentHash(environment)}`;
+    new CfnDeployment(this, logicalId, {
+      applicationId: this.application.applicationId,
+      configurationProfileId: this.configurationProfileId,
+      deploymentStrategyId: this.deploymentStrategy!.deploymentStrategyId,
+      environmentId: environment.environmentId,
+      configurationVersion: this.versionNumber!,
+      description: this.description,
+      kmsKeyIdentifier: this.deploymentKey?.keyArn,
+    });
+  }
+
   protected addExistingEnvironmentsToApplication() {
     this.deployTo?.forEach((environment) => {
       if (!this.application.environments.includes(environment)) {
@@ -320,16 +338,7 @@ abstract class ConfigurationBase extends Construct implements IConfiguration, IE
       if ((this.deployTo && !this.deployTo.includes(environment))) {
         return;
       }
-      const logicalId = `Deployment${this.getDeploymentHash(environment)}`;
-      new CfnDeployment(this, logicalId, {
-        applicationId: this.application.applicationId,
-        configurationProfileId: this.configurationProfileId,
-        deploymentStrategyId: this.deploymentStrategy!.deploymentStrategyId,
-        environmentId: environment.environmentId,
-        configurationVersion: this.versionNumber!,
-        description: this.description,
-        kmsKeyIdentifier: this.deploymentKey?.keyArn,
-      });
+      this.deploy(environment);
     });
   }
 }

packages/@aws-cdk/aws-appconfig-alpha/test/configuration.test.ts

@@ -149,6 +149,121 @@ describe('configuration', () => {
     Template.fromStack(stack).resourceCountIs('AWS::AppConfig::Deployment', 1);
   });
 
+  test('configuration using deploy method and no environment associated', () => {
+    const stack = new cdk.Stack();
+    const app = new Application(stack, 'MyAppConfig', {
+      name: 'MyApplication',
+    });
+    app.addEnvironment('MyEnv1');
+    const env = app.addEnvironment('MyEnv2');
+    const config = new HostedConfiguration(stack, 'MyHostedConfig', {
+      content: ConfigurationContent.fromInlineText('This is my content'),
+      application: app,
+      deploymentStrategy: new DeploymentStrategy(stack, 'MyDeploymentStrategy', {
+        rolloutStrategy: RolloutStrategy.linear({
+          growthFactor: 15,
+          deploymentDuration: cdk.Duration.minutes(30),
+        }),
+      }),
+    });
+    config.deploy(env);
+
+    Template.fromStack(stack).hasResourceProperties('AWS::AppConfig::Deployment', {
+      ApplicationId: {
+        Ref: 'MyAppConfigB4B63E75',
+      },
+      EnvironmentId: {
+        Ref: 'MyAppConfigMyEnv2350437D6',
+      },
+      ConfigurationVersion: {
+        Ref: 'MyHostedConfig51D3877D',
+      },
+      ConfigurationProfileId: {
+        Ref: 'MyHostedConfigConfigurationProfile2E1A2BBC',
+      },
+      DeploymentStrategyId: {
+        Ref: 'MyDeploymentStrategy60D31FB0',
+      },
+    });
+    Template.fromStack(stack).resourceCountIs('AWS::AppConfig::Deployment', 1);
+  });
+
+  test('configuration using deploy method with environment associated', () => {
+    const stack = new cdk.Stack();
+    const app = new Application(stack, 'MyAppConfig', {
+      name: 'MyApplication',
+    });
+    const env1 = app.addEnvironment('MyEnv1');
+    const env2 = app.addEnvironment('MyEnv2');
+    const config = new HostedConfiguration(stack, 'MyHostedConfig', {
+      content: ConfigurationContent.fromInlineText('This is my content'),
+      application: app,
+      deploymentStrategy: new DeploymentStrategy(stack, 'MyDeploymentStrategy', {
+        rolloutStrategy: RolloutStrategy.linear({
+          growthFactor: 15,
+          deploymentDuration: cdk.Duration.minutes(30),
+        }),
+      }),
+      deployTo: [env1],
+    });
+    config.deploy(env2);
+
+    Template.fromStack(stack).hasResourceProperties('AWS::AppConfig::Deployment', {
+      ApplicationId: {
+        Ref: 'MyAppConfigB4B63E75',
+      },
+      EnvironmentId: {
+        Ref: 'MyAppConfigMyEnv1B9120FA1',
+      },
+      ConfigurationVersion: {
+        Ref: 'MyHostedConfig51D3877D',
+      },
+      ConfigurationProfileId: {
+        Ref: 'MyHostedConfigConfigurationProfile2E1A2BBC',
+      },
+      DeploymentStrategyId: {
+        Ref: 'MyDeploymentStrategy60D31FB0',
+      },
+    });
+    Template.fromStack(stack).hasResourceProperties('AWS::AppConfig::Deployment', {
+      ApplicationId: {
+        Ref: 'MyAppConfigB4B63E75',
+      },
+      EnvironmentId: {
+        Ref: 'MyAppConfigMyEnv2350437D6',
+      },
+      ConfigurationVersion: {
+        Ref: 'MyHostedConfig51D3877D',
+      },
+      ConfigurationProfileId: {
+        Ref: 'MyHostedConfigConfigurationProfile2E1A2BBC',
+      },
+      DeploymentStrategyId: {
+        Ref: 'MyDeploymentStrategy60D31FB0',
+      },
+    });
+    Template.fromStack(stack).resourceCountIs('AWS::AppConfig::Deployment', 2);
+  });
+
+  test('configuration with no environment associated and no deploy method used', () => {
+    const stack = new cdk.Stack();
+    const app = new Application(stack, 'MyAppConfig', {
+      name: 'MyApplication',
+    });
+    new HostedConfiguration(stack, 'MyHostedConfig', {
+      content: ConfigurationContent.fromInlineText('This is my content'),
+      application: app,
+      deploymentStrategy: new DeploymentStrategy(stack, 'MyDeploymentStrategy', {
+        rolloutStrategy: RolloutStrategy.linear({
+          growthFactor: 15,
+          deploymentDuration: cdk.Duration.minutes(30),
+        }),
+      }),
+    });
+
+    Template.fromStack(stack).resourceCountIs('AWS::AppConfig::Deployment', 0);
+  });
+
   test('configuration with two configurations specified', () => {
     const stack = new cdk.Stack();
     const app = new Application(stack, 'MyAppConfig', {

packages/@aws-cdk/aws-appconfig-alpha/test/integ.configuration.js.snapshot/aws-appconfig-configuration.template.json

@@ -33,6 +33,15 @@
     "Name": "awsappconfigconfiguration-MyAppConfig-HostedEnvFromYaml-BB2C802A"
    }
   },
+  "MyAppConfigEnvDeployLater26FA1032": {
+   "Type": "AWS::AppConfig::Environment",
+   "Properties": {
+    "ApplicationId": {
+     "Ref": "MyAppConfigB4B63E75"
+    },
+    "Name": "awsappconfigconfiguration-MyAppConfig-EnvDeployLater-91038922"
+   }
+  },
   "MyAppConfigParameterEnvD769FB19": {
    "Type": "AWS::AppConfig::Environment",
    "Properties": {
@@ -224,6 +233,26 @@
     }
    }
   },
+  "MyHostedConfigFromJsonDeploymentEFECDBC4087F1": {
+   "Type": "AWS::AppConfig::Deployment",
+   "Properties": {
+    "ApplicationId": {
+     "Ref": "MyAppConfigB4B63E75"
+    },
+    "ConfigurationProfileId": {
+     "Ref": "MyHostedConfigFromJsonConfigurationProfile863E1E42"
+    },
+    "ConfigurationVersion": {
+     "Ref": "MyHostedConfigFromJsonD8CF9BE4"
+    },
+    "DeploymentStrategyId": {
+     "Ref": "MyDeployStrategy062CAEA2"
+    },
+    "EnvironmentId": {
+     "Ref": "MyAppConfigEnvDeployLater26FA1032"
+    }
+   }
+  },
   "MyHostedConfigFromYamlConfigurationProfile7C77A435": {
    "Type": "AWS::AppConfig::ConfigurationProfile",
    "Properties": {

packages/@aws-cdk/aws-appconfig-alpha/test/integ.configuration.ts

@@ -69,7 +69,7 @@ new HostedConfiguration(stack, 'MyHostedConfig', {
 
 // create basic config profile from add config version from file
 const hostedEnvFromJson = appConfigApp.addEnvironment('HostedEnvFromJson');
-new HostedConfiguration(stack, 'MyHostedConfigFromJson', {
+const config = new HostedConfiguration(stack, 'MyHostedConfigFromJson', {
   application: appConfigApp,
   content: ConfigurationContent.fromInlineText('This is the configuration content'),
   deployTo: [hostedEnvFromJson],
@@ -84,6 +84,10 @@ new HostedConfiguration(stack, 'MyHostedConfigFromYaml', {
   deploymentStrategy,
 });
 
+// verify a configuration can be deployed through the deploy method
+const envToDeployLater = appConfigApp.addEnvironment('EnvDeployLater');
+config.deploy(envToDeployLater);
+
 // ssm paramter as configuration source
 const func = new Function(stack, 'MyValidatorFunction', {
   runtime: Runtime.PYTHON_3_8,