OpenStack

Architecture

Deploy OpenStack with kolla-ansible

Service Overview

Praxis

• create a project / user
• create networks
• create router
• create vms
  ...
• live migraions

Operations

Replace a Compute Node

Replace a Network Node

Replace a Controller Node

High Availbility

Debugging

Backup and Recovery

Upgrades

Monitoring / Logging

• Ceilometer / Gnochi
• Modernes Monitoring
• Central Loggin

Networking

• OpenVSWitch
• SDN-Networks:
  • flat
  • vxlan
  • vlan
• Routers
• Network Namespaces
• FloatingIPs
• LoadBalancers

Block Devices

• Volumes
• Snapshots
• Images

Images

User Config (Cloud-Init)

Resource Segregation

Host Aggregates

Availalbility Zones