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Availability & Scalability - Kubernetes

Kubernetes Nginx Ingress: Consistent hash subset load balancer

Last month we got a Pull Request with a new feature merged into the Kubernetes Nginx Ingress Controller codebase. This feature request came from a client that needs a specific behavior of the Load Balancer not available on any Ingress Controller. Link to the PR: https://github.com/kubernetes/ingress-nginx/pull/3396/ What’s the use case? Our client’s software is a…

Case Study - DevOps - Infrastructure as Code

Success story: From on premise to AWS in 1 hour

The problem: The client required migration of his microservices-based application to AWS, using containers.  The application was running on site, using legacy DevOps tooling, Xen VMs, Chef, and some scripting. So what, exactly, was the problem? Both security concerns and network limitations precluded this migration from being performed progressively. The only component permitted to exist…

DevOps - Infrastructure as Code - Productivity

Success story: Automating 100 of applications on the corporate world

The client Genesys, a  large company providing a wide variety of contact center solutions, must support a wide variety of product features. The ongoing product offerings required on-premise installation of a great number of moving parts. Such installation would involve a hundred applications and their dependencies, installed on four major operating system versions in various…

DevOps

Failover is dead

When doing a quick Google search of the keywords “failover meaning”, you will find this definition: “a procedure by which a system automatically transfers control to a duplicate system when it detects a fault or failure.”

CI/CD - DevOps - Infrastructure as Code - Productivity

Continuous Delivery Pipelines for Infrastructure Code

Pipelines are not for application code only. Continuous Delivery matters. In modern application and infrastructure management, programmers and sysadmins not only work purely in application code but also in terms of infrastructure code. The latter includes all the code that deploys the essentials needed to run your application: cloud resources (ie. instances, DBs), operating system…