Lambda function

index.js

const AWS = require('aws-sdk');
const ssm = new AWS.SSM();
const SSM_DOCUMENT_NAME = process.env.SSM_DOCUMENT_NAME;
const SNS_TARGET = process.env.SNS_TARGET;

function sleep(ms) {
  return new Promise((resolve) => {
    setTimeout(resolve, ms);
  });
}

exports.handler = async (event) => {
  console.log('Received event: ', JSON.stringify(event));
  
  if (event.source !== 'aws.autoscaling') {
    console.log('Event is not processed because event.source is not aws.autoscaling');
    return;
  }
  
  if (event.detail.LifecycleTransition !== 'autoscaling:EC2_INSTANCE_LAUNCHING') {
    console.log('Event is not processed because event.detail.LifecycleTransition is not autoscaling:EC2_INSTANCE_LAUNCHING');
    return;
  }

  const params = {
    DocumentName: SSM_DOCUMENT_NAME,
    InstanceIds: [ event.detail.EC2InstanceId ],
    Parameters: {
      'ASGNAME': [ event.detail.AutoScalingGroupName ],
      'LIFECYCLEHOOKNAME': [ event.detail.LifecycleHookName ],
      'SNSTARGET': [ SNS_TARGET ]
    },
    TimeoutSeconds: 300
  };
  
  console.log('Waiting send SSM Document!');
  await sleep(30000);
  console.log('Start after wait 30 seconds!');
  
  try {
    const result = await ssm.sendCommand(params).promise();
    console.log("Result: ", result);
  } catch(error) {
      console.error("Error:", error);
      
      try {
        await sleep(90000);
        console.log('Start again after wait 90 seconds!');
        const result = await ssm.sendCommand(params).promise();
        console.log("Result: ", result);
      } catch(error2) {
        console.error("Error:", error2);
      
        try {
          await sleep(90000);
          console.log('Start again after wait 90 seconds!');
          const result = await ssm.sendCommand(params).promise();
          console.log("Result: ", result);
        } catch(error3) {
          console.error("Error:", error3);
        }
      }
  }
};