Ray Tsang | Devoxx

Devoxx Belgium 2018
from Monday 12 November to Friday 16 November 2018.

Ray is a Developer Advocate for the Google Cloud Platform. Ray had extensive hands on cross-industry enterprise systems integration delivery and management experiences during his time at Accenture, managed full stack application development, DevOps, and ITOps. Ray specialized in middleware, big data, and PaaS products during his time at Red Hat while contributing to open source projects, such as Infinispan. Aside from technology, Ray enjoys traveling and adventures.

See also https://plus.google.com/+RayTsang

Beyond Kubernetes - Managing Applications and Functions with Knative, riff, and Spring Cloud Functions

Deep Dive


From function source code to running in Kubernetes in 5 minutes. That's the power some of the latest open source projects can bring to your fingertips. This perceived simplicity actually hides layers of abstractions underneath. In this deep dive, we'll explore all the technology behind the scenes, from Kubernetes, Istio, Knative, to riff and Spring Cloud function.

We'll explore how Istio and Knative extend Kubernetes via Custom Resource Definitions to provide support for higher level developer concerns such as microservices autoscaling, routing across revisions of an application, and a unified eventing bus to compose event-driven workloads. Building on top of this, we'll take a look at how riff has been replatformed to run on top of Knative, while preserving its scale-on-demand Function as a Service ease of use. Finally, to tie the platform from top to bottom, we'll dive into Spring Cloud Function to see how to use Function interface to create a function that can process both synchronous HTTP requests as well as event-based messages using riff and Knative.

Making Microservices Micro with Istio Service Mesh

Hands-on Lab


Microservices are here to stay. When applied properly, microservices techniques and culture ultimately help us continuously improve business at a faster pace than traditional architecture. However, microservices architecture itself can be complex to configure. All of a sudden, we are faced with the need for a service discovery server, how do we store service metadata, make decisions on whether to use client side load balancing or server side load balancing, deal with network resiliency, think how do we enforce service policies and audit, trace nested services calls.... The list goes on.

Sure, it's easy to have a single stack that makes everything work provided there are good microservices support - but what if you have a polyglot environment? How would you make sure all of the stack can address the same concerns in a consistent way? This is where a service mesh comes in.

In this lab, we'll introduce Istio, an open source service mesh framework created by Google, IBM, and Lyft. deploy it into Kubernetes cluster, then deploy Spring Boot applications into the service mesh. Finally, we'll use Istio to manage, control & monitor traffic.

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