add minimal L2 interface for inspector assessment template and fromCfnAssessment template method

Author: gracelu0

Diff for: packages/aws-cdk-lib/aws-inspector/lib/assessment-template.ts

@@ -0,0 +1,37 @@
+import { Construct } from 'constructs';
+import { CfnAssessmentTemplate } from './inspector.generated';
+import { IResource, Resource } from '../../core';
+
+/**
+ * Interface for an Inspector Assessment Template
+ */
+export interface IAssessmentTemplate extends IResource {
+  /**
+   * The Amazon Resource Name (ARN) of the assessment template.
+   * @attribute
+   */
+  readonly assessmentTemplateArn: string;
+}
+
+/**
+ * An Amazon Inspector assessment template.
+ * TODO: This class should implement IAssessmentTemplate when writing the L2 construct
+ */
+export class AssessmentTemplate extends Resource {
+  /**
+   * Creates an AssessmentTemplate from an existing CfnAssessmentTemplate.
+   *
+   * This method is provided to bridge the gap with L2 constructs since no L2 constructs
+   * exist for Inspector resources yet. It allows working with CfnAssessmentTemplate (L1)
+   * resources through the IAssessmentTemplate interface.
+   */
+  public static fromCfnAssessmentTemplate(scope: Construct, id: string, template: CfnAssessmentTemplate): IAssessmentTemplate {
+    return new class extends Resource implements IAssessmentTemplate {
+      public readonly assessmentTemplateArn: string;
+      constructor() {
+        super(scope, id);
+        this.assessmentTemplateArn = template.attrArn;
+      }
+    }();
+  }
+}

Diff for: packages/aws-cdk-lib/aws-inspector/lib/index.ts

@@ -1 +1,2 @@
 export * from './inspector.generated';
+export * from './assessment-template';

Diff for: packages/aws-cdk-lib/aws-inspector/test/assessment-template.test.ts

@@ -0,0 +1,54 @@
+import { App, Stack } from '../../core';
+import { AssessmentTemplate, CfnAssessmentTarget, CfnAssessmentTemplate, IAssessmentTemplate } from '..';
+
+describe('AssessmentTemplate', () => {
+  let app: App;
+  let stack: Stack;
+  let assessmentTarget: CfnAssessmentTarget;
+
+  beforeEach(() => {
+    app = new App();
+    stack = new Stack(app, 'Stack');
+    assessmentTarget = new CfnAssessmentTarget(stack, 'AssessmentTarget', {
+      assessmentTargetName: 'MyAssessmentTarget',
+    });
+  });
+
+  describe('fromCfnAssessmentTemplate', () => {
+    test('creates an IAssessmentTemplate from a CfnAssessmentTemplate', () => {
+      // GIVEN
+      const cfnAssessmentTemplate = new CfnAssessmentTemplate(stack, 'MyCfnAssessmentTemplate', {
+        assessmentTargetArn: assessmentTarget.attrArn,
+        durationInSeconds: 3600,
+        // https://docs.aws.amazon.com/inspector/v1/userguide/inspector_rules-arns.html#us-east-1
+        rulesPackageArns: ['arn:aws:inspector:us-east-1:316112463485:rulespackage/0-gEjTy7T7'],
+      });
+
+      // WHEN
+      const assessmentTemplate = AssessmentTemplate.fromCfnAssessmentTemplate(stack, 'MyAssessmentTemplate', cfnAssessmentTemplate);
+
+      // THEN
+      expect(assessmentTemplate.assessmentTemplateArn).toBe(cfnAssessmentTemplate.attrArn);
+    });
+
+    test('can be used where IAssessmentTemplate is expected', () => {
+      // GIVEN
+      const cfnAssessmentTemplate = new CfnAssessmentTemplate(stack, 'MyCfnAssessmentTemplate', {
+        assessmentTargetArn: 'arn:aws:inspector:us-west-2:123456789012:target/0-nvgVhaxX',
+        assessmentTemplateName: 'MyTemplate',
+        durationInSeconds: 3600,
+        rulesPackageArns: ['arn:aws:inspector:us-east-1:316112463485:rulespackage/0-gEjTy7T7'],
+      });
+
+      // WHEN
+      const assessmentTemplate = AssessmentTemplate.fromCfnAssessmentTemplate(stack, 'ImportedTemplate', cfnAssessmentTemplate);
+
+      // THEN - this function accepts an IAssessmentTemplate
+      function acceptsIAssessmentTemplate(template: IAssessmentTemplate) {
+        return template.assessmentTemplateArn;
+      }
+
+      expect(acceptsIAssessmentTemplate(assessmentTemplate)).toBe(cfnAssessmentTemplate.attrArn);
+    });
+  });
+});