Bare Metal Kubernetes - running your own cloud

A short and improvides slide deck for Förde DevOps Meetup #3 (https://www.meetup.com/de-DE/DevOps-Kiel/events/260502856/)

Transcript

1. Bare Metal Kubernetes Running your own cloud
2. Hardware?
3. NUCs Commodity Server
4. Hyper Converged • CPU Cores • Large Memory • HDD Space • SSDs • 2 Gigabit Ports
5. Provisionierung?
6. Ubuntu Server
7. Basissystem
8. Kubespray
9. Management Plane Worker Nodes
10. Management Plane •etcd •Kubernetes: API Server, Controller Manager, Scheduler, Calico, DNS, Dashboard, Proxy, … •Nginx Ingress
11. Worker Nodes •Kubelet •Custom Workload
12. Cluster ✅
13. Persistente Volumes?
14. Ceph RBD
15. Ceph Ansible +
16. MONs, MGRs OSDs
17. RBD Pools / Storage Classes •HDD → large •SSD → fast + RBD Provisioner =
18. Learnings?
19. • Ansible and „bare metal“ deployment for critical services • Provide enough nodes and hardware for management plane