Tag Archives: AWS

So you’re working on a development account, and Terraform is stuck in a cycle, not allowing you to easily destroy the remaining resources? Enter the world of nuke CLIs ! cloud-nuke At the time of writing, I used version v0.1.16 From Gruntwork, written in Go, will not destroy as many objects as aws-nuke; has been around since May 2017 If ...

In this tutorial, we will see how using AWS Lambda we can save data in Dynamo DB. Here are the steps which are required : –Create a table in the Dynamo DB with the name Employee– Create a AWS Lambda function which can save firstName and surName of an employee using a Employee POJO in the Dynamo DB– Create a ...

In the previous tutorial, we saw  How to Create AWS Lambda function with Java and we passed String as input and also returned String as Output.I will recommend to go through that tutorial first, if you are creating lambda function for the first time. In this tutorial, we will see, how we can pass Java Plain old Java object(POJO) as input ...

Elastic Beanstalk allows deploying and managing applications in the AWS Cloud without having to learn about the infrastructure that runs those applications. With Elastic Beanstalk you can run a website, web application, or web API that serves HTTP requests but you can also run a worker applications for running long tasks. The Elastic Beanstalk supports several preconfigured platforms including Go, ...

So it happened that we had a production issue on the SaaS version of LogSentinel – our Elasticsearch stopped indexing new data. There was no data loss, as elasticsearch is just a secondary storage, but it caused some issues for our customers (they could not see the real-time data on their dashboards). Below is a post-mortem analysis – what happened, ...

When you have to run a scalable application on AWS, your database must also be scalable. It’s easier to scale the stateless application layer, where each node is mostly disposable – even if a node in a 3-node cluster fails, you can just fire up another one and nobody notices. The database layer is stateful and therefore there’s a risk ...

Previously we set up some Apache Ignite servers in an autoscaling group. The next step is to add a Load Balancer in front of the autoscaling group. Before any steps let’s add some environmental variables to variables.tf. 1 2 3 4 5 6 7 8 9 variable "autoscalling_group_elb_name" {   type = string   default = "autoscallinggroupelb" }   variable "elb_security_group_name" { ...

Previously we followed the minimum steps required in order to spin up an autoscaling group in terraform.On this post we shall add a security group to the autoscaling group and an http server to serve the requests. Using our base configuration we shall create the security group for the instances. 01 02 03 04 05 06 07 08 09 10 ...

So you want to create an autoscaling group on AWS using terraform. The following are the minimum steps in order to achieve so. Before writing the actual code you shall specify the aws terraform provider as well as the region on the provider.tf file. 1 2 3 4 5 6 7 8 provider "aws" {   version = "~> 2.0"   region  ...