Cloud Native on Praveen Salitra

Elasticsearch Administration on Kubernetes

Wed, 03 Nov 2021 00:00:00 +0000

The agenda included:

Provisioning Elasticsearch and Kibana using ECK
Scaling Elasticsearch Cluster
Index Lifecycle Management (ILM)
Monitoring Elasticsearch Cluster
Snapshots and Restore
Demo with installation and configurations
Q&A

This meetup was presented by Praveen Salitra and Sri Harsha Datla from Egen.

This meetup was organized by the official Elastic Community meetup group and event details are available here.

A Day in the Life of an Elasticsearch Architect

Thu, 21 Oct 2021 00:00:00 +0000

The agenda included:

Sizing Elasticsearch clusters (including HA)
Idex and Shard Overview
Demo with installation and configurations
Q&A

This meetup was presented by Praveen Salitra and Sri Harsha Datla from Egen.

This meetup was organized by the official Elastic Community meetup group and event details are available here.

Diving into Istio Service Mesh for Kubernetes

Thu, 01 Apr 2021 00:00:00 +0000

With Containers and Container Orchestration engine like Kubernetes, the deployments of microservice is trivial today. But getting operational insights into that complex network is not.

In this talk, I discussed about the operational challenges with microservice architectures:

Service Discovery
Load Balancing
Failure Recovery
Observability: tracing, metrics, monitoring
A/B Testing, Canary rollouts
Rate Limiting
Access control, end to end authentication
Service to Service encryption

The agenda included:

Terraform with Azure

Thu, 25 Mar 2021 00:00:00 +0000

This half-day online workshop focused the concepts of Infrastructure as Code using Terraform. I chose Azure Cloud as the target Cloud Service Provider and covered:

Infrastructure as Code (IaC) Landscape
Terraform OSS, Cloud, Enterprise
Terraform Concepts
- CLI
- State
- Providers
- Workspaces
- Basic Commands
- Plan vs Apply
- Modules
Hands-On
- Setup an AKS cluster and Azure PostgreSQL service
Review a Production Setup

During the workshop, the 40+ attendees followed the hands-on exercises on deploying a microservice in a containerized fashion on Azure Kubernetes Service and accessing those endpoints using Ingress Controllers. Entire cluster deployment as well as Kubernetes workload was deployed using Terraform.

Cloud Networking 101

Thu, 04 Mar 2021 00:00:00 +0000

I went through the concepts of:

Network Models (OSI and TCP/IP)
IP Addresses
- IPv4 vs IPv6
- CIDR and Subnet Masking
- Private Networks
- VPC/VNET, Subnets
- NAT Gateways
- Sizing Recommendations
DNS
Load Balancers
- Layer 4 vs Layer 7
- LB vs Proxy
Network Security
- AWS Security Groups
- AWS NACLs
- Azure Firewalls

Surviving the Peak: Optimizing the Cloud to Prevent Downtime

Thu, 10 Dec 2020 00:00:00 +0000

An Egen webinar, recorded ahead of the 2020 peak retail season. I presented alongside Egen co-founder Nandita Potini, moderated by Megan Larson.

The premise was simple enough to state and hard to act on:

System uptime is critical. Whether you’re already in the cloud or considering a hybrid solution, one thing is clear: if your system isn’t ready for peak periods, you will be losing revenue and customers. Optimizing your cloud data and infrastructure will increase system uptime and deliver a seamless customer experience from first touch to the last mile.

Cloud-Native Engineering Principles

Fri, 25 Sep 2020 00:00:00 +0000

In this webinar hosted by National Institute of Technology, Warangal, India, I talked about Cloud-Native Engineering Principles that we have been using at EGEN in developing modern cloud-native data and app platforms for our customers in Industrial IoT, Retail, and Healthcare.

The talk was directed at the undergraduate students of Computer Science and Electronics streams.

12 Factor App Principles for front-end apps

Tue, 11 Feb 2020 00:00:00 +0000

How can we apply 12Factor App Principles to the front-end apps built using Angular, React, or Vue? How do we follow the principle of “Build Once, Deploy Many”? What about environment-based config? Can we answer some of these questions using Docker?

In this talk, I discussed how to apply 12Factor App Principles to the front-end apps while running them in Docker containers. I demonstrated how to use environment based config and implement health-checks for the front-end apps correctly. I used a React based app for the demo, but these principles can be applied to any JavaScript-based front-end framework.

AWS Serverless beyond Lambda - Panel Discussion

Wed, 18 Dec 2019 00:00:00 +0000

What comes to your mind when you hear the word: Serverless? FaaS, AWS Lambda, the Node.js framework, or something else? Or do you think it’s a set of services that don’t require servers?

AWS defines Serverless as “the native architecture of the cloud that enables you to shift more of your operational responsibilities to AWS, increasing your agility and innovation. Serverless allows you to build and run applications and services without thinking about servers”. So, definitely not “lack of servers”. And there is more to it that just the Lambda or FaaS (Function as a Service).

Getting Started with Containers on AWS

Thu, 02 Nov 2017 00:00:00 +0000

This two day workshop focused on bringing Cloud concepts to the front-end and back-end engineers. During the two day in-person sessions, I covered:

AWS Cloud - Regions, AZs
AWS Console, AWS IAM, AWS SDK, CLI
Domain Name System (DNS), Route 53
AWS SES, SNS
AWS S3, CloudFront
Nginx, Load Balancing
AWS EC2, AMI, EBS
AWS VPC, Subnets, Security Groups, NACL
Docker, Docker Registry
Docker Compose
Docker Swarm
AWS RDS

During the workshop, the 80+ attendees followed the hands-on exercises on deploying a microservice (Spring Boot and Node) in a containerized fashion on Docker Swarm running on AWS EC2 cluster.