libvirt: Stable API Management of hypervisor(s)

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Presentation transcript:

Daniel P. Berrangé <berrange@redhat.com>

libvirt: Stable API Management of hypervisor(s) Stable API for application developers Isolation from Xen HV instability Isolation from XenD protocol changes Formalized error reporting/handling

Xen architecture

libvirt: Xen Architecture

libvirt: Standard API Vendor neutral, community project HV agnostic (Xen, QEMU, VMWare, ...) Formal XML definition of VM LGPL licensed Distributed in FC5+, RHEL-5+

libvirt: Driver Model

libvirt: Simple API Core API in C Python & Perl bindings Shell scriptable tool (virsh) Mock hypervisor for testing

libvirt: Xen Architecture XenD SEXPR/HV: local Dom0 only Root: full privileged r/w Non-root: unprivileged r/o Proxy: unprivileged access to HV XenAPI: enables remote control

Libvirt: Xen Architecture

Libvirt: Xen Proxy Architecture

libvirt: Applications virsh command line admin tool/shell gnome-applet-vm: VM monitoring virt-manager: desktop manager app xeninst: local provisioning of VMs cobbler/koan: kickstart over a network spectre: performance monitoring rhn: red hat network management

libvirt: Future Development Block / net I/O stats (discussion) Block / net hot-add/remove (discussion) Xen inactive domains (working prototype) QEMU driver backend (working prototype) XenAPI driver backend (to be started)

http://libvirt.org/