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The latest News and Information on DevOps, CI/CD, Automation and related technologies.

K8S is the Kernel

One of my former teammates approached me the other day (and by other day i mean like 3 months ago) and asked ‘Am I thinking about this right? Kubernetes is actually akin to the Linux Kernel. So Rancher and OpenShift are distributions of Kubernetes. And for a supported enterprise application I’m more likely to use a more enterprise focused distribution than a DIY distribution, yeah?’ To which I responded ‘Yep, you hit the nail on the head’.

Announcing Submariner, Multi-Cluster Network Connectivity for Kubernetes

Today we are proud to announce Submariner, a new open-source project enabling network connectivity between Kubernetes clusters. We launched the project to provide network connectivity for microservices deployed in multiple Kubernetes clusters that need to communicate with each other.

Considerations When Designing Distributed Systems

Today’s applications are marvels of distributed systems development. Each function or service that makes up an application may be executing on a different system, based upon a different system architecture, that is housed in a different geographical location, and written in a different computer language.

Introducing Submariner: Multi-Cluster Networking for Kubernetes

As more organizations benefit from the increased availability and security offered by multi-cluster Kubernetes, the release of Submariner, a new open-source project sponsored by Rancher, now enables containers in different clusters to establish a direct network connection with each other.

Lambda Deployment Frameworks Compared

With AWS Lambda, deploying a new version of our application has never been simpler. However, we still need to take care of some underlying plumbing. Such as managing the configuration for our functions as well as other related resources such as API Gateway, CloudWatch log groups and IAM policies. Depending on the event sources you would like to use, you also need to provision the necessary EventSourceMapping in order to use Lambda with the likes of Kinesis Streams and SQS.

StackStorm 2.9.3/2.10.3

In the last couple of weeks StackStorm has published back-to-back releases. 2.10.2 is a traditional patch release from StackStorm, and you’ll find some of the highlights below. 2.10.3 and 2.9.3; however, are releases to address CVE-2019-9580. I want to thank Barak Tawily and Anna Tsibulskaya: the researchers who discovered and submitted a patch for the issue.