hooks.js

const aws = require("aws-sdk");
const codedeploy = new aws.CodeDeploy({ apiVersion: "2014-10-06" });

module.exports.pre = (event, context, callback) => {
  const deploymentId = event.DeploymentId;
  const lifecycleEventHookExecutionId = event.LifecycleEventHookExecutionId;

  console.log("Check some stuff before shifting traffic...");

  const params = {
    deploymentId: deploymentId,
    lifecycleEventHookExecutionId: lifecycleEventHookExecutionId,
    status: "Succeeded", // status can be 'Succeeded' or 'Failed'
  };

  return codedeploy
    .putLifecycleEventHookExecutionStatus(params)
    .promise()
    .then((data) => callback(null, "Validation test succeeded"))
    .catch(() => callback(new Error("Validation test failed")));
};

module.exports.post = (event, context, callback) => {
  const deploymentId = event.DeploymentId;
  const lifecycleEventHookExecutionId = event.LifecycleEventHookExecutionId;

  console.log("Check some stuff after shifting traffic...");

  const params = {
    deploymentId: deploymentId,
    lifecycleEventHookExecutionId: lifecycleEventHookExecutionId,
    status: "Succeeded", // status can be 'Succeeded' or 'Failed'
  };

  return codedeploy
    .putLifecycleEventHookExecutionStatus(params)
    .promise()
    .then((data) => callback(null, "Validation test succeeded"))
    .catch(() => callback(new Error("Validation test failed")));
};