SSMPutParameter Custom Construct

ssm-put-parameter.ts

import cfn = require('@aws-cdk/aws-cloudformation');
import lambda = require('@aws-cdk/aws-lambda');
import cdk = require('@aws-cdk/core');
import path = require('path');
import iam = require('@aws-cdk/aws-iam');

export interface SSMPutParameterProps {
    Name: string;
    Value: string;
}

export class SSMPutParameter extends cdk.Construct {
  public readonly response: string;

  constructor(parent: cdk.Stack, name: string, props: SecretsProps) {
    super(parent, name);

    const putParamsLambda = new lambda.SingletonFunction(this, 'Singleton', {
        uuid: 'f7d4f730-4ee1-11e8-9c2d-fa7ae01bbebc',
        code: lambda.Code.asset(path.join(__dirname, 'lambda')),
        handler: 'index.handler',
        timeout: cdk.Duration.seconds(300),
        runtime: lambda.Runtime.NODEJS_10_X,
      })

    const putParamsLambdaPolicy = new iam.PolicyStatement({
      actions: ["ecr:GetAuthorizationToken",
      "cloudwatch:PutMetricData",
      "ds:CreateComputer",
      "ds:DescribeDirectories",
      "ec2:DescribeInstanceStatus",
      "logs:*",
      "ssm:*",
      "ec2messages:*"],
      resources: ["*"]}
    );

    putParamsLambda.addToRolePolicy(putParamsLambdaPolicy)

    const resource = new cfn.CustomResource(this, 'Resource', {
      provider: cfn.CustomResourceProvider.lambda(putParamsLambda),
      properties: props
    });

    this.response = resource.getAtt('Version').toString();
  }
}