Helm Summit - 2018

Lostrómos A Helm Operator

Nicole Hubbard @nicolerenee3810 Architect WP Engine

@nicolerenee3810 WP Engine

@nicolerenee3810 WordPress Digital Experience Platform

@nicolerenee3810 300,000+ WordPress Installations

@nicolerenee3810 Starting Infrastructure Everything on a single VM NGINX Caching
layer PHP Processing Storage MySQL Virtual Machine

@nicolerenee3810 6,000+ VMs

@nicolerenee3810 That doesn’t scale

@nicolerenee3810 Containers Docker Kubernetes

@nicolerenee3810 That’s how you scale, right?

@nicolerenee3810 Where do we start?

@nicolerenee3810 Step 1 Move PHP Processing off the VM and
into K8s NGINX Caching layer PHP Processing Storage MySQL Virtual Machine K8s PHP PHP PHP

@nicolerenee3810 Custom PHP Application Server

@nicolerenee3810 Golang

@nicolerenee3810 Runs PHP-FPM workers in individual namespace jails

@nicolerenee3810 Just in time mounts site content into worker jail

@nicolerenee3810 Can process requests for an entire VM instead of
a single WordPress installation

@nicolerenee3810 Storage Domain = VM

@nicolerenee3810 App Server per storage domain

@nicolerenee3810 Deploying

@nicolerenee3810 Jenkins runs Helm

@nicolerenee3810 6,000 deploys for the same Helm chart...

@nicolerenee3810 ...in Jenkins...

@nicolerenee3810 ...that’s 6,000 values files

@nicolerenee3810

@nicolerenee3810 Lostrómos

@nicolerenee3810 Runs in K8s

@nicolerenee3810 Reconciles our PHP Application Server Deployments

@nicolerenee3810 How?

@nicolerenee3810 K8s Custom Resources

@nicolerenee3810

@nicolerenee3810 Watches a custom resource

@nicolerenee3810 CR Created = Helm release created

@nicolerenee3810 CR Updated = Helm release updated

@nicolerenee3810 CR Deleted = Helm release purged

@nicolerenee3810 Reconciliation Loop

@nicolerenee3810 Demo

@nicolerenee3810 Open Source on GitHub github.com/wpengine/lostromos

@nicolerenee3810 Future

@nicolerenee3810 Tiller-less Thanks CoreOS team

@nicolerenee3810 Watching any K8s objects

@nicolerenee3810 Additional deployment methods

@nicolerenee3810 PRs happily accepted

@nicolerenee3810 Questions? github.com/wpengine/lostromos

Helm Summit - 2018

Helm Summit - 2018

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