Openstack

The ACM runs its own cloud using an attrocious but extant stack of software called Openstack. Here you will find better documentation on it than you may ever be provided by the actual Openstack developers. Not that we do a great job, necessarily.

• Virtual Machines and Openstack
  • VM Configuration
    • RADOS Block Devices via virtio
    • AFS on an OpenStack VM
  • Maintenance Tasks
    • Getting a shell on a VM with no floating IP
• Components
  • Genuine Bits of Openstack
    • Nova
    • Cinder
    • Keystone
    • Glance
    • Neutron
  • Things We’ve Bolted On
    • Ceph
    • Shorewall
• Physical Machines
  • Openstack Management on Gomes
    • Processes
    • Homegrown Scripts
    • Futzing with the Database
  • The Compute Nodes
    • When a Compute Node Goes Down
• The Glorious Journey to a New Version of Openstack
  • Openstack Upgrade Documentation and other references
  • Back Up EVERYTHING
  • Test First?
  • The Debian Problem
  • Upgrading With Configuration Management
  • Upgrading Without Configuration Management
  • When Things Go Wrong
  • Restarting Services
  • Testing the Upgrade
• Hosting Services in Openstack
  • Hosted Services