Is the Container the Future Of the Cloud?
OpenStack Meetup 2017 January
Guba SandorHernadi Ferenc
About usGuba Sándor
● ~10 years Linux● Infrastructure Engineer
Hernádi Ferenc
● 10+ years Linux● Infrastructure Engineer
About our journey with OpenStack
● How we met with OpenStack?
● Why we need it?
● How we start it?
OpenStack Summit 2016
● More than 5000 attendance● 110+ sponsoring companies● 1000+ Companies represented
● Telcos -> OpenStack NFV (Network Functions Virtualization)
● Lifecycle management CI/CD
● How can we upgrade?!
● Containers everywhere
Hot topics
The OpenStack’s Problems
Complexity● Install / Deploy
● Update & Upgrade
What containerization give us?!
● Isolated Services - > No More Dependency Hell
● Repeatable/Reproducible & FAST Deployment
● Blue-Green Deployment - > Stable OPS + Easier Dev
● # Replicaset - > Scalability
● Containerization ½ + Orchestration ½ = 1:)
Kubernetes Vs. Docker Swarm?
Why Kubernetes project needs OpenStack ?
❏ Backend services
❏ Frontend apps
❏ Databases
❏ Persistent Storage
❏ Scale
The three most importantOpenStack containerisation Projects.
Demo…!
Experiences...
The Dark Side … Is it really more Stable?
● Increased Complexity
● Relatively new technology
● Marketing
Best Practices … ....If you decide to try it.
● Separate The Master Nodes
● Etcd Cluster Separation
● Min 3 Compute(minion)
● Remote Logging (Fluentd)
● Monitoring & Alerting (Prometheus)
Summary
● Openstack 6 years old project
● Kubernetes 2 years old project (1 year in production)
● Complexity hell
● Future!!??
We Are Hiring!
http://jobs.ustream.hu