Get Parameters from SSM Store

config.ts

import * as awsSdk from 'aws-sdk';

async function getParameterFromSystemManager( environment: string ) {
  const ssm = new awsSdk.SSM();

  const appId = environment.split('.')[0];
  const stage = environment.split('.')[1].toUpperCase();

  const params = {
    Names: [`/${appId}/${stage}/cognito_user_pool_id`, `/${appId}/${stage}/queue_url`, `/${appId}/${stage}/table_name`]/* required */
  };

  try {
    const ssmParamters = await ssm.getParameters(params).promise();

    if(ssmParamters.Parameters.length > 0){
      console.log(ssmParamters);
      ssmParamters.Parameters.forEach(parameter => {
        if(parameter.Name === `/${appId}/${stage}/cognito_user_pool_id`){
          process.env.POOL_ID = parameter.Value;
        } else if(parameter.Name === `/${appId}/${stage}/queue_url`) {
          process.env.SQS_URL = parameter.Value;
        } else if(parameter.Name === `/${appId}/${stage}/table_name`) {
          process.env.DYNAMODB_TABLE = parameter.Value;
        }
      });

      return Promise.resolve();
    }
    return Promise.reject({ name: 'GenericError', message: 'Function was not able to load the parameters.' });
  } catch (err) {
    console.log(err);
    return Promise.reject({ name: 'GenericError', message: 'Function was not able to load the parameters.' });
  }
}

export { getParameterFromSystemManager };