Talk given in Hamburg in the 21st of June 2017, for Container Days 2017

1. Heterogeneous
Kubernetes Clusters
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2. ALESSANDRO VOZZA
MICROSOFT
@BONGO, @KUBERNAUTS
Heterogeneous
Kubernetes Clusters

3. 1. Why Windows containers
2. Why Kubernetes + Windows
3. Getting started
4. Demo

4. Why Windows Containers
Source: Spiceworks 2016
Windows
Server, 11%
Apache, 50%
Nginx, 34%
Public-facing Web Servers
Source: w3techs.com, 2017

5. Why Kubernetes needs Windows
Source: Google Trends

6. Windows Server Containers
Containerized Delivery on the Microsoft Stack, Cornell Knulst, Xpirit, yesterday

7. Azure Container Service Engine: getting started
https://github.com/Azure/acs-engine/
ARMACS template

8. Kubernetes in Azure Container Service
https://github.com/Azure/acs-engine/blob/master/docs/kubernetes.md

9. Windows Kubernetes caveats
https://github.com/kubernetes/kubernetes/issues/22623 &
https://github.com/kubernetes/features/issues/116
https://kubernetes.slack.com/messages/sig-windows
SIG-Windows on Slack
Limitations:
- One pod = one container (no IP sharing)
- Kubectl in userspace
- Masters are linux only
- Interpod and intrapod networking (no SDN)
- No GUI (duh!)
- No sidecar – windows containers are multiprocess

10. Demo
DEMO
(Finger’s crossed)
https://github.com/ams0/containerdays17

11. Future
- Windows server nano / Hyper-V
- Better networking
- cAdvisor/HPA
- Linux containers on Windows (Dockercon)

12. End
Questions!