anchor.diff:  flavor-key,flavor set / unset,Set or unset extra_spec for a flavor.
   flavor-list,flavor list,Print a list of available 'flavors'
   flavor-show,flavor show,Show details about the given flavor.
  -floating-ip-associate,server add floating ip,Associate a floating IP address to a server.
  -floating-ip-disassociate,server remove floating ip,Disassociate a floating IP address from a server.
  +flavor-update,,Update the description of an existing flavor. (Supported by API versions '2.55' - '2.latest') [hint: use '--os-compute-api- version' flag to show help message for proper version]
   force-delete,server delete,Force delete a server.
  -get-mks-console,console url show --mks,Get an MKS console to a server.
  -get-password,WONTFIX,Get the admin password for a server.
  +get-mks-console,console url show --mks,Get an MKS console to a server. (Supported by API versions '2.8' - '2.latest') [hint: use ' --os-compute-api-version' flag to show help message for proper version]
  +get-password,WONTFIX,Get the admin password for a server. This operation calls the metadata service to query metadata information and does not read password information from the server itself.
   get-rdp-console,console url show --rdp,Get a rdp console to a server.
   get-serial-console,console url show --serial,Get a serial console to a server.
   get-spice-console,console url show --spice,Get a spice console to a server.
  -get-vnc-console,console url show --novnc | --xvpvnc,Get a vnc console to a server.
  -host-action,,Perform a power action on a host.
  -host-describe,host show,Describe a specific host.
  +get-vnc-console,console url show --novnc,Get a vnc console to a server.
   host-evacuate,,Evacuate all instances from failed host.
   host-evacuate-live,,Live migrate all instances off the specified host to other available hosts.
  -host-list,host list,List all hosts by service.
   host-meta,,Set or Delete metadata on all instances of a host.
   host-servers-migrate,,Cold migrate all instances off the specified host to other available hosts.
  -host-update,host set,Update host settings.
  -hypervisor-list,hypervisor list,List hypervisors.
  +hypervisor-list,hypervisor list,List hypervisors. (Supported by API versions '2.0' - '2.latest')
   hypervisor-servers,,List servers belonging to specific hypervisors.
   hypervisor-show,hypervisor show,Display the details of the specified hypervisor.
   hypervisor-stats,hypervisor stats show,Get hypervisor statistics over all compute nodes.
  
positive.code: stop,server stop,Stop the server(s).
  suspend,server suspend,Suspend a server.
  trigger-crash-dump,server dump create,Trigger crash dump in an instance.
  topology,openstack server show --topology,Retrieve server NUMA topology.
  unlock,server unlock,Unlock a server.
  unpause,server unpause,Unpause a server.
  unrescue,server unrescue,Restart the server from normal boot disk again.
  unshelve,server unshelve,Unshelve a server.
  update,server set / unset --description,Update or unset the description for a server.
  update,server set --name,Update the name for a server.
  usage,usage show,Show usage data for a single tenant.
  usage-list,usage list,List usage data for all tenants.
  version-list,,List all API versions.
  virtual-interface-list,,Show virtual interface info about the given server.
  volume-attach,server add volume,Attach a volume to a server.
  volume-attachments,server show,List all the volumes attached to a server.
  volume-detach,server remove volume,Detach a volume from a server.
  volume-update,,Update volume attachment.
  x509-create-cert,WONTFIX,Create x509 cert for a user in tenant.
  x509-get-root-cert,WONTFIX,Fetch the x509 root cert.
  bash-completion,complete,Prints all of the commands and options to
  help,help,Display help about this program or one of its subcommands.
  
negative.code: reboot,server reboot,Reboot a server.
  rebuild,server rebuild,"Shutdown, re-image, and re-boot a server."
  refresh-network,WONTFIX,Refresh server network information.
  remove-secgroup,server remove security group,Remove a Security Group from a server.
  rescue,server rescue,Reboots a server into rescue mode.
  reset-network,WONTFIX,Reset network of a server.
  