Delete_AMI.js

var aws = require('aws-sdk');  
Region = ['ap-south-1','eu-central-1','us-east-1'];

var d = new Date();  
var x = 1;  /* ------Retention Days------- */  
d.setDate(d.getDate() - x);  
reqdate = d.toISOString().substring(0, 10);  


exports.handler = function(event, context) {  
var instanceparams = {
    Owners: [
        'self'
    ],
    Filters: [{
        Name: 'tag:DeleteOn',
        Values: [
            'yes'
        ]
    }]
      
  }
  
  region(0);
function region(h){
        
    if(h>=Region.length)
    return;
    console.log("H Value Test",h);
    aws.config.region = Region[h];
     var ec2 = new aws.EC2(); 
    console.log("SELECTED REGION",Region[h]); 
    
ec2.describeImages(instanceparams, function(err, data) {
    if (err) console.log(err, err.stack);
    else {
        for (var j in data.Images) {
            imagename = data.Images[j].Name
            imageid = data.Images[j].ImageId

            //if (imagename.indexOf(reqdate) > -1) {
                console.log("image that is going to be deregistered: ", imagename);
                console.log("image id: ", imageid);

                var deregisterparams = {
                    ImageId: imageid
                };
                ec2.deregisterImage(deregisterparams, function(err, data01) {
                    if (err) console.log(err, err.stack); // an error occurred
                    else {
                        console.log("Image Deregistered");

                    }
                });
            //}
        }
        setTimeout(function() {
            for (var j in data.Images) {
                imagename = data.Images[j].Name
              //  if (imagename.indexOf(reqdate) > -1) {
                    for (var k in data.Images[j].BlockDeviceMappings) {
                        snap = data.Images[j].BlockDeviceMappings[k].Ebs.SnapshotId;
                        console.log(snap);
                        var snapparams = {
                            SnapshotId: snap
                        };
                        ec2.deleteSnapshot(snapparams, function(err, data) {
                            if (err) console.log(err, err.stack); // an error occurred
                            else console.log("Snapshot Deleted"); // successful response
                        });
                    }
                //}
            }
        }, 30000);
    }
      aws.config.region = null;
        h+=1
        region(h);
});
}
}