Workflow PaaS on KubernetesNYI, Deis, Kubernetes & a Night of Containers

● Senior engineer at Engine Yard● A Deis core maintainer● Former app developer● Former devops dude● Rabid comic book fan

Who is this guy?

kent@deis.comKent Rancourt

About Deis● Acquired by Engine Yard in April 2015● Makers of the leading open source PaaS with 3.9 million downloads● Building products for the Kubernetes ecosystem

○ Deis Workflow -- Platform as a Service○ Helm -- The Kubernetes package manager

I have a Kubernetes cluster, now what?

We can help.

The Deis Mission

The Microservices Trade-off

Software Complexity Operational Complexity

Deis solves for increased operational complexity by empowering developers to...

● Create applications● Build and deploy code or Docker images● Configure the runtime environment● Manage releases and rollbacks● Run administrative commands● View aggregated logs● Scale out via the process model● Collaborate with a team

… using simple, easy-to-use CLIs and APIs.

Empowering Developers

Empower OperatorsGoogle’s Operational Model:

Infrastructure Ops

Cluster Ops

Application Ops

Kubernetes

What is Kubernetes?Greek for “Helmsman”; also the root of the words “governor” and “cybernetic”

• Runs and manages containers

• Inspired and informed by Google’s experiences and internal systems

• Supports multiple cloud and bare-metal environments

• Supports multiple container runtimes

• 100% Open source, written in Go

Manage applications, not machines.

Google Cloud Platform

kubelet

UI

kubelet CLI

API

developers & operators master nodes

etcd

kubelet

scheduler

controllers

apiserver

The 10,000 Foot View

Google Cloud Platform

UI

APIContainer

Cluster

All We Really Care About

Why Kubernetes? (for us)● Widespread adoption and a vibrant community● Declarative APIs● Right abstractions● Promotes loose coupling

Represents Google’s 10+ years experience with containers at scale

But using Kubernetes can be complicated… there’s that operational complexity again.

Deis v2: Workflow

What is Deis Workflow?● Private PaaS running on your own infrastructure● Simple developer experience on top of Kubernetes● Force multiplier for operations teams

Deis Workflow for Developers

Create an application $ deis create

Build and deploy $ git push deis master

Configure $ deis config:set FOO=bar

Scale! $ deis scale web=5

Great! How can we install Deis Workflow?

Helm!

The best way to find, share and use software built for Kubernetes

Why Helm?Should be easy to…

● Get up and running with common workloads● Define new workloads● Collaborate on workload definitions

Helm vs. Workflow● Helm supports more than 12-factor applications

○ Databases○ Queues○ Caches

● Helm promotes a Kubernetes-native approach● Helm is a tool for operators, not developers

Helm is used to install Workflow.

Installing Workflow with Helm$ helm repo add deis git@github.com:deis/charts.git

$ helm fetch deis/deis-dev

$ helm generate deis-dev

$ helm install deis-dev

+

Why bare metal?Ideal for…

● Processor and I/O intensive workloads● Security without the maintenance hassle● Workloads that have outgrown the cloud

○ Require dedicated resources

Why bare metal + Deis?● Developer self-service● Lightning-fast app boot times● Dramatically increased density

○ Major cost savings

● Portable software artifacts○ Move from bare metal to the cloud and back

● Dramatically simplified scaling○ Using the process model

Demo

Roadmap Q1/Q2 2016Q1:

● Helm: Facilitate delivery of Deis Workflow● Workflow: Ship v2, PaaS on Kubernetes

Q2:

● Helm: Continue investment in native Kubernetes Workloads● Workflow: Teams and Permissions● Workflow: Service Broker Integration

Questions?