feat(imagebuilder-alpha): add support for Distribution Configuration Construct

[tarunb12]

Issue

aws/aws-cdk-rfcs#789

Reason for this change

This change adds a new alpha module for EC2 Image Builder L2 Constructs (@aws-cdk/aws-imagebuilder-alpha), as outlined in aws/aws-cdk-rfcs#789. This PR specifically implements the DistributionConfiguration construct.

Description of changes

This change implements the DistributionConfiguration construct, which is a higher-level construct of CfnDistributionConfiguration.

Example

const distributionConfiguration = new imagebuilder.DistributionConfiguration(this, 'DistributionConfiguration', {
  distributionConfigurationName: 'test-distribution-configuration',
  description: 'A Distribution Configuration',
  amiDistributions: [
    {
      // Distribute AMI to us-east-2 and publish the AMI ID to an SSM parameter
      region: 'us-east-2',
      ssmParameters: [
        {
          parameter: ssm.StringParameter.fromStringParameterAttributes(this, 'CrossRegionParameter', {
            parameterName: '/imagebuilder/ami',
            forceDynamicReference: true
          })
        }
      ]
    }
  ]
});

// For AMI-based image builds - add an AMI distribution in the current region
distributionConfiguration.addAmiDistributions({
  amiName: 'imagebuilder-{{ imagebuilder:buildDate }}',
  amiDescription: 'Build AMI',
  amiKmsKey: kms.Key.fromLookup(this, 'ComponentKey', { aliasName: 'alias/distribution-encryption-key' }),
  // Copy the AMI to different accounts
  amiTargetAccountIds: ['123456789012', '098765432109'],
  // Add launch permissions on the AMI
  amiLaunchPermission: {
    organizationArns: [
      this.formatArn({ region: '', service: 'organizations', resource: 'organization', resourceName: 'o-1234567abc' })
    ],
    organizationalUnitArns: [
      this.formatArn({
        region: '',
        service: 'organizations',
        resource: 'ou',
        resourceName: 'o-1234567abc/ou-a123-b4567890'
      })
    ],
    userGroups: ['all'],
    userIds: ['234567890123']
  },
  // Attach tags to the AMI
  amiTags: {
    Environment: 'production',
    Version: '{{ imagebuilder:buildVersion }}'
  },
  // Optional - publish the distributed AMI ID to an SSM parameter
  ssmParameters: [
    {
      parameter: ssm.StringParameter.fromStringParameterAttributes(this, 'Parameter', {
        parameterName: '/imagebuilder/ami',
        forceDynamicReference: true
      })
    },
    {
      amiAccount: '098765432109',
      dataType: ssm.ParameterDataType.TEXT,
      parameter: ssm.StringParameter.fromStringParameterAttributes(this, 'CrossAccountParameter', {
        parameterName: 'imagebuilder-prod-ami',
        forceDynamicReference: true
      })
    }
  ],
  // Optional - create a new launch template version with the distributed AMI ID
  launchTemplates: [
    {
      launchTemplate: ec2.LaunchTemplate.fromLaunchTemplateAttributes(this, 'LaunchTemplate', {
        launchTemplateName: 'imagebuilder-ami'
      }),
      setDefaultVersion: true
    },
    {
      accountId: '098765432109',
      launchTemplate: ec2.LaunchTemplate.fromLaunchTemplateAttributes(this, 'CrossAccountLaunchTemplate', {
        launchTemplateName: 'imagebuilder-cross-account-ami'
      }),
      setDefaultVersion: true
    }
  ],
  // Optional - enable Fast Launch on an imported launch template
  fastLaunchConfigurations: [
    {
      enabled: true,
      launchTemplate: ec2.LaunchTemplate.fromLaunchTemplateAttributes(this, 'FastLaunchLT', {
        launchTemplateName: 'fast-launch-lt'
      }),
      maxParallelLaunches: 10,
      targetSnapshotCount: 2
    }
  ],
  // Optional - license configurations to apply to the AMI
  licenseConfigurationArns: [
    'arn:aws:license-manager:us-west-2:123456789012:license-configuration:lic-abcdefghijklmnopqrstuvwxyz'
  ]
});

Describe any new or updated permissions being added

N/A - new L2 construct in alpha module

Description of how you validated changes

Validated with unit tests and integration tests. Manually verified generated CFN templates as well.

Checklist

• My code adheres to the CONTRIBUTING GUIDE and DESIGN GUIDELINES

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

Pull request has been modified.

Pull request has been modified.

[kumsmrit]

Does this restriction apply to a combination of AmiDistributionConfiguration and ContainerDistributionConfiguration being in same region well?

[tarunb12]

Correct - each Distribution object must be unique to a region

Pull request has been modified.