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KubeCon Keynote 2016- Distributed Systems Simpl...
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Brandon Philips
November 09, 2016
2
530
KubeCon Keynote 2016- Distributed Systems Simplified on Kubernetes
Demo
https://github.com/philips/etcd-prometheus-operator-demo
Brandon Philips
November 09, 2016
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Transcript
Demo https://github.com/philips/etcd-prometheus-operator-demo
Brandon Philips @brandonphilips | brandon@coreos.com | coreos.com Distributed Systems Simplified
Using Kubernetes
Overview Scaling Stateless Apps
ReplicaSet
ReplicaSet
Overview Scaling Complex Apps
$ kubectl run db --image=quay.io/my/db Creating a Database is Easy
on Kubernetes
• Resize/Upgrade - coordination for availability • Reconfigure - tedious
generation / templating • Backup - requires coordination on instances • Healing - observe and act for recovery Managing a Distributed Database is Harder
Idea: Extend Kubernetes
$ cat my-db-cluster.yaml spec: clusterSize: 3 readReplicas: 2 version: v4.0.1
The Dream
Introducing Operators
None
etcd Overview • Introduced in 2013 by CoreOS • Primary
datastore of Kubernetes • Auto-leader election for availability
$ cat etcd-cluster.yaml spec: clusterSize: 3 version: v3.1.0 etcd Operator
Resource
etcd Operator
etcd Operator Open-source github.com/coreos/etcd-operator
Kubernetes self-hosting etcd Easy HA Setups on Kubernetes Automated backup
to object store Chaos Monkey Testing for 1.0 etcd Operator - Future Work
Prometheus Operator • Operates Prometheus on k8s • Handles common
tasks: ◦ Create/Destroy ◦ Monitor Configuration ◦ Services Targets via Labels • Configured by resources
Prometheus Operator Also Open-source github.com/coreos/prometheus-operator
• Read more at coreos.com/blog • Try out these new
Operators • Build and Discuss other Operators (redis, postgres, etc) Next Steps
Thank you! Brandon Philips @brandonphilips | brandon@coreos.com | tectonic.com We’re
hiring in all departments! Email: careers@coreos.com Positions: coreos.com/ careers