ec2-metadata-test.js

var AWS = require("../aws-sdk-js");

var counter   = 0;
setInterval(function(){
  counter++;
  var dynamodb = new AWS.DynamoDB({region:"ap-northeast-1"});
  dynamodb.getItem({
    Key: {key:{S:"test"}},
    TableName: "ec2-metadata-test",
    ProjectionExpression:"body"
  },function(err,data){
    if(err){console.log(err)};
    try{
      console.log(
        counter + ', '
        + dynamodb.config.credentials.accessKeyId + ', '
        + dynamodb.config.credentials.expireTime + ', '
        + dynamodb.config.credentials.expired
      );
    }catch(e){
      console.error(counter);
      console.error(dynamodb.config.credentials);
    }
  });
},1);