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Enhancing VMware Compute Driver
• Current VMware Nova Compute Driver needs a lot of help
• Several key areas need improvements
Enhancing VMware Compute Driver
• Launch OVF disk image • VNC console • Attach and Detach iSCSI
volume • Guest info • Host ops • VLAN • Quantum • Cold migration • Live migration
VMware Compute Driver
• spawn: supports sparse and streamOptimized disk image, block device and linked clone
• power_on, power_off • get_vnc_console • inject_network_info • attach_volume, detach_volume • get_info • get_available_resource • get_host_stats, update_host_status • host_power_action, host_maintenance_mode
VMware Compute Driver
• migrate_disk_and_power_off
• finish_migration
• finish_revert_migration
• confirm_migration
• live_migration
Custom VMware Image Properties for Glance
• vmware_adaptertype – Ide – busLogic – lsiLogic (default)
• vmware_disktype – eagerZeroedThick – preallocated (default) – sparse (sparse or streamOptimized disk)
• vmware_ostype – otherGuest (default)
Linked Clone
• Nova configuration flag for VMware Linked Clone support
--use_linked_clone=[true|false] (defaults to true)
VNC
• Nova configuration flags for VMware VNC support
Existing flag:
--vnc_enabled=[true|false] (defaults to true)
New flags:
--vnc_port=[port #] (starting port, defaults to 5900)
--vnc_port_total=[total port #] (defaults to 10000)
--vnc_password=[optional]
Networking
ESX KVM XenServer
NovaCompute
NovaNetwork
XenAPI virt driver
Nova-API
OpenStack API
EC2 API
Asynchronous Message – Passing Queue
Horizon (Web GUI)
dom0
Xen
A
PI
Bridge
Inst
an
ce-X
1
Inst
an
ce-X
2Nova
Compute
libvirt driver
Linux Kernel
Bridge
Inst
ance
-K1
Inst
ance
-K2
Bridge
NovaCompute
VMware virt driver
VMKernel
VIM
A
PI
VSS/VDS
Inst
ance
-X1
Inst
ance
-X2
REST
