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[Libvirt-announce] ANNOUNCE: libvirt 3.2.1 maintenance release
by Cole Robinson 11 May '17

11 May '17

libvirt 3.2.1 is now available. This is a maintenance release of libvirt 3.2 with additional bugfixes that have accumulated upstream since the initial release. This release can be downloaded at: http://libvirt.org/sources/stable_updates/libvirt-3.2.1.tar.xz Changes in this version: * spec: Update version check for maint Source URL * mdev: Cleanup code after commits @daf5081b and @2739a983 * Don't use ceph-devel on Fedora * mdev: Fix mingw build by adding a check for non-NULL pointer * client: Report proper close reason * qemu: Fix persistent migration of transient domains * Fix padding of encrypted data * network: better log message when network is inactive during reconnect * qemu: don't kill qemu process on restart if networkNotify fails * conf: format only relevant attributes for graphics based on listen type * qemu: Move freeing of PCI address list to qemuProcessStop * qemu: process: Clean up priv->migTLSAlias * qemu: process: Don't leak priv->usbaddrs after VM restart * qemu: process: Clean automatic NUMA/cpu pinning information on shutdown * qemu: Remove extra messages for vhost-scsi hotplug * qemu: Remove extra messages from virtio-scsi hotplug * qemu: Check return code from qemuHostdevPrepareSCSIDevices * qemu: numa: Don't return automatic nodeset for inactive domain * qemu: Ignore missing query-migrate-parameters * daemon: Fix domain name leak in error path * qemu: fix argument of virDomainNetGetActualDirectMode * rpc: fix keep alive timer segfault * util: allow ignoring SIOCSIFHWADDR when errno is EPERM * util: check ifa_addr pointer before accessing its elements * Increase default task limit for libvirtd * Fix error reporting when poll returns POLLHUP/POLLERR * spec: Avoid RPM verification errors on nwfilter XMLs * xenconfig: avoid double free on OOM testing * xenFormatXLDomainDisks: avoid double free on OOM testing * virConfSaveValue: protect against a NULL pointer reference * conf: Add check for non scsi_host parent during vport delete * util: Fix resource leak * test: Remove unused variate @maxcpu in testDomainGetVcpus * esx: Fix memory leak * esx: Fix incorrect memory compare size in esxStoragePoolLookupByUUID * qemu: snapshot: Skip empty drives with internal snapshots * qemu: do not crash on USB address with no port and invalid bus * man: Align vol-resize arguments with the output of help * qemu: conf: Don't leak snapshot image format conf variable * qemu: Fix mdev checking for VFIO support * util: systemd: Don't strlen a possibly NULL string * interface: Fix resource leak in netcfConnectListAllInterfaces error path * virsh: don't leak @cpumap in virshVcpuPinQuery * tests: fix some resource leaks * rpc: fix resource leak * src: fix multiple resource leaks in loops * conf/domain_capabilities: fix resource leak * qemu: Fix two use-after-free situations * disk: Force usage of parted when checking disk format for "bsd" * disk: Resolve issues with disk partition build/start checks * conf: create new RemovalFailed event using correct class * qemu: fix memory leak and check mdevPath * qemu: Properly reset TLS in qemuProcessRecoverMigrationIn * Properly ignore files in build-aux directory * conf: Fix possible memleak in capabilities * Split out -Wframe-larger-than warning from WARN_CLFAGS * virISCSIGetSession: Don't leak memory * virStorageSourceClear: Don't leave dangling pointers behind * qemu: Break endless loop if qemuMigrationResetTLS fails * storage: gluster: Implement 'checkPool' method so that state is restored * docs: Document limitation of maximum vcpu count used with <topology> * qemu: Fix resource leak in qemuDomainAddChardevTLSObjects error path * qemu: Initialize 'data' argument * storage: util: Pass pool type to virStorageBackendFindGlusterPoolSources * util: ignore -Wcast-align in virNetlinkDumpCommand * qemu: hotplug: Clear vcpu ordering for coldplug of vcpus * qemu: hotplug: Fix formatting strings in qemuDomainFilterHotplugVcpuEntities * qemu: hotplug: Iterate over vcpu 0 in individual vcpu hotplug code * qemu: Add device id for mediated devices on qemu command line * storage: Fix capacity value for LUKS encrypted volumes * virNetDevIPCheckIPv6ForwardingCallback fixes * storage: driver: Remove unavailable transient pools after restart * storage: driver: Split out code fixing pool state after deactivation * storage: backend: Use correct stringifier for pool type * mdev: Fix daemon crash on domain shutdown after reconnect * util: mdev: Use a local variable instead of a direct pointer access * qemu: Fix regression when hyperv/vendor_id feature is used * vz: fix typo that breaks build For info about past maintenance releases, see: http://wiki.libvirt.org/page/Maintenance_Releases Thanks, Cole

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[Libvirt-announce] Release of libvirt-php-0.5.3
by Michal Privoznik 11 May '17

11 May '17

I just did the release of libvirt-php-0.5.3. You can download it here: http://libvirt.org/sources/php/libvirt-php-0.5.3.tar.gz There are 77 patches in this release (nearly 2x as much as in the previous release). There were several bug fixes, style conversions, etc. New features include: - New APIs - examples enhancement - build system improvements and many others. Thanks anybody who contributed! Michal

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[Libvirt-announce] Release of libvirt-3.3.0
by Daniel Veillard 06 May '17

06 May '17

I did the release yesterday evening, just sending this mail now. The release has been tagged in git, I have pushed signed tarball and rpms to the usual place at : ftp://libvirt.org/libvirt/ I also pushed version 3.3.0 of the python bindings, same tagged in git and signed tarball and rpms should be in their respective place: ftp://libvirt.org/libvirt/python/ this is a balanced release with a fair amount of both new features and improvements, in addition to a set of bug fixes: * New features - net: Add support for coalesce settings Enabling data batching through these settings can improve network performance for guests. - qemu: Add support for guest CPU cache specification This features allows fine-grained control of the cache behavior of the guest CPU. - qemu: Add support for the qemu-xhci USB controller * Improvements - hyperv: Support Hyper-V 2012 and newer Starting with Hyper-V 2012 the API has changed causing the existing driver to be unable to send and process requests properly. This has been resolved by adding abstractions to handle the differences and ease handling such breaks if they happen in the future. - libxl: Add support for nested HVM domains Xen has supported nested HVM domains since version 4.4. The libvirt libxl driver now supports nested HVM domains by specifying the host-passthrough CPU mode when defining a domain. - qemu: Implement ACPI support for aarch64 guests Up until this point, ACPI support was only advertised for x86_64 guests and disabling it for aarch64 guests was not possible at all. - vz: Add support for changing the number of vCPUs - qemu: Automatically choose the best USB controller for guests The recently introduced qemu-xhci USB controller is the best choice for both ppc64 and aarch64 guests, so use it by default on those architectures if available. - daemon: Increase default task limit for libvirtd The default number of tasks for the pids cgroup controller is 512, which libvirtd can quickly bump into when starting lots of guests. Raise the limit to a more reasonable 32768. - docs: Include man pages describing key code names and values - virsh: Report initialization errors Sometimes virsh might be unable to start: when that happens, report useful diagnostics instead of failing silently. * Bug fixes - nss: Don't require a network restart for libvirt_guest Previously, the libvirt_guest NSS module would only work properly after the corresponding network had been restarted; now newly started guests will be reported correctly right away. - storage: Remove unavailable transient pools after restart Solve an issue where transient storage pools would be stuck in an unmanageable state if the source disappeared and libvirtd was subsequently restarted. - storage: Fix capacity value for LUKS encrypted volumes The 'capacity' value (e.g. guest logical size) for a LUKS volume is smaller than the 'physical' value of the file in the file system, so we need to account for that. - qemu: Fix regression when hyperv/vendor_id feature is used Guests using the feature would not be started at all; it is now possible to start them as expected. - qemu: Do not crash on USB address with no port and invalid bus - crypto: Always pad data before encrypting it If this step is not performed, when the data length matches the chunk size the decryption routines will misinterpret the last byte of data as the padding length and fail to decode it correctly. Thanks everybody for your help toward this release, be it with patches, documentation, bug reports, reviews ideas, etc ... Enjoy ! Daniel -- Daniel Veillard | Red Hat Developers Tools http://developer.redhat.com/ veillard(a)redhat.com | libxml Gnome XML XSLT toolkit http://xmlsoft.org/ http://veillard.com/ | virtualization library http://libvirt.org/

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[Libvirt-announce] Entering freeze for libvirt-3.3.0
by Daniel Veillard 04 May '17

04 May '17

As planned, I tagged RC1 in git and pushed signed tarball and rpms to the usual place: ftp://libvirt.org/libvirt/ Seems to work in my limited testing, https://ci.centos.org/view/libvirt/ seems mostly clean and happy, but please give it some testing ! Assuming things go well, I think I will make RC2 on Tuesday (Monday being closed in most of Europe we should have one day of worktime to test) and that would imply a release on Thursday 3rd, assuming nothing critical is found, thanks in advance for your testing and reports :-) Daniel -- Daniel Veillard | Red Hat Developers Tools http://developer.redhat.com/ veillard(a)redhat.com | libxml Gnome XML XSLT toolkit http://xmlsoft.org/ http://veillard.com/ | virtualization library http://libvirt.org/

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[Libvirt-announce] Release of libvirt-3.2.0
by Daniel Veillard 02 Apr '17

02 Apr '17

As planned I tagged the release in git, the tree is now open for development. A signed tarball and rpms are available from the usual place: ftp://libvirt.org/libvirt/ I also made release of the python bindings, libvirt-python-3,2,0 is available from: ftp://libvirt.org/libvirt/python/ This new release includes a number of new user visible features as well as some improvement and bug fixes too: * New features - The virt-host-validate tool now supports bhyve hypervisor - Introduce NVDIMM memory model NVDIMM is new type of memory introduced into QEMU 2.6. The idea is that we have a non-volatile memory module that keeps the data persistent across domain reboots and offers much faster data accesses. However, due to a bug in QEMU, this feature is not enabled for QEMUs older than 2.9.0. - qemu: Introduce support for generic PCIe Root Ports For new controllers, a generic device (pcie-root-port) will be used by default instead of the Intel-specific device (ioh3420), provided the QEMU binary supports it. - qemu: Add support for checking guest CPU ABI compatibility When migrating a domain to a different host, restoring a domain from a file or reverting a snapshot libvirt will make sure the guest CPU QEMU presents to the guest OS exactly matches the one provided on the source host (or before the domain's state was saved). This enhanced check may also be requested when starting a new domain to ensure the virtual CPU exactly matches the one specified in the XML. - qemu: Add support to migrate using TLS Add the ability to migrate QEMU guests using TLS via a new flag VIR_MIGRATE_TLS or virsh migrate '--tls' option. Requires using at least QEMU 2.9.0 in order to work properly. - qemu: add mediated devices framework support Recent kernel version introduced new mediated device framework, so provide an initial support of this framework for libvirt, mainly by introducing a new host device type in the XML. - qemu: Add support for setting TSC frequency Setting TSC frequency is required to enable migration for domains with 'invtsc' CPU feature turned on. - Add support for block device threshold event When using thin provisioning, management tools need to resize the disk in certain cases. To avoid having them to poll disk usage this version introduces an event which will be fired when a given offset of the storage is written by the hypervisor. Together with the API it allows registering thresholds for given storage backing volumes and this event will then notify management if the threshold is exceeded. Currently only the qemu driver supports this. - bhyve: Add support for UEFI boot ROM, VNC, and USB tablet The bhyve driver now supports booting using the UEFI boot ROM, so non-FreeBSD guests that support UEFI could be booted without using an external boot loader like grub-bhyve. Video is also supported now, allowing to connect to guests via VNC and use an USB tablet as an input device. Please refer to the driver page for domain XML examples. * Improvements - qemu: Detect host CPU model by asking QEMU on x86_64 Previously, libvirt detected the host CPU model using CPUID instruction, which caused libvirt to detect a lot of CPU features that are not supported by QEMU/KVM. Asking QEMU makes sure we don't start it with unsupported features. - perf: Add more perf statistics Add support to get the count of cpu clock time, task clock time, page faults, context switches, cpu migrations, minor page faults, major page faults, alignment faults, emulation faults by applications running on the platform. - Write hyperv crash information into vm log qemu's implementation of the hyperv panic notifier now reports information about the crash from the guest os. Starting with this version, libvirt logs the information to the vm log file for possible debugging. * Bug fixes - QEMU: Use adaptive timeout for connecting to monitor When starting qemu, libvirt waits for qemu to create the monitor socket which libvirt connects to. Historically, there was sharp 30 second timeout after which the qemu process was killed. This approach is suboptimal as in some scenarios with huge amounts of guest RAM it can take a minute or more for kernel to allocate and zero out pages for qemu. The timeout is now flexible and computed by libvirt at domain startup. - Overwrite (clear) 2 KB instead of just 512 bytes when initializing logical device - Describe the logical backend requirements better for pool-create-as Thanks everybody for your help with this release, be it with ideas, bug reports, patches, reviews, localization, docs ... Enjoy ! Daniel -- Daniel Veillard | Red Hat Developers Tools http://developer.redhat.com/ veillard(a)redhat.com | libxml Gnome XML XSLT toolkit http://xmlsoft.org/ http://veillard.com/ | virtualization library http://libvirt.org/

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[Libvirt-announce] Entering freeze for libvirt-3.2.0
by Daniel Veillard 30 Mar '17

30 Mar '17

Hi all, as planned I tagged RC1 in git and pushed signed tarball and rpms to the usual place: ftp://libvirt.org/libvirt/ I had an issue with networking in my limited testing, without time to really dig it seems my guest image wasn't able to do DNS resolution, that could be an issue on my side though, and https://ci.centos.org/view/libvirt/ while not all green seems rather positive ! Please give it a try, I will probably push RC2 on Thursday, and assuming everything goes fine a release over the week-end, thanks ! Daniel -- Daniel Veillard | Red Hat Developers Tools http://developer.redhat.com/ veillard(a)redhat.com | libxml Gnome XML XSLT toolkit http://xmlsoft.org/ http://veillard.com/ | virtualization library http://libvirt.org/

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[Libvirt-announce] Availability of libvirt-3.1.0
by Daniel Veillard 03 Mar '17

03 Mar '17

I'm a bit late but I finally pushed the release, the signed tarball and rpms are at the usual place: ftp://libvirt.org/libvirt/ I also pushed a libvirt-python release that one can find at ftp://libvirt.org/libvirt/python/ * New features - storage: Add Virtuozzo storage backend storage pool Add new storage backend to support pool and volume management within the Virtuozzo Storage environment. Virtuozzo Storage is a highly available distributed software defined storage with built-in replication and disaster recovery. - qemu: Add support for memory backing with file source Add support in numa topology for file source inside memory backing (hugepages are not needed) Three new elements <source/>,<access/> and <allocation/> were added to <memoryBacking/> element. Also new configuration parameter memory_backing_dir was added to qemu.conf. - network: make openvswitch call timeout configurable Adding the ability to specify the timeout value in seconds for openvswitch calls in the libvirtd configuration file. - bhyve: add e1000 NIC support Add support for e1000 NIC. Previously, the only available option was virtio-net. - libxl: add tunneled migration support Add tunneled migration to libxl driver, which is always capable of strong encryption and doesn't require any extra network connection other than what's required for remote access of libvirtd. - qemu: add rendernode argument Add a new attribute 'rendernode' to <gl> spice element. - nodedev: add drm capability Add a new 'drm' capability for Direct Rendering Manager (DRM) devices, providing device type information. - Add API for individual/specific vCPU hotplug The new API allows selecting specific vCPUs to be added/removed from the VM. The existing APIs allowed only adding/removing from the end which did not play well with NUMA. * Improvements - virsh: pool-list: allow both --uuid and --name in one command Adjust the virsh-pool command to support the --uuid and/or --name options in order to print just the --name and/or --uuid of pools. - Introduce MTU to domain <interface/> and <network> Allow setting MTU size for some types of domain interface and network. - libxl: improve support for <timer> configurations Add support for multiple timers. Extend the tsc timer to support the emulate mode. Improve conversion of timer XML to/from xl.cfg. - storage: modularize the storage driver Split up the storage driver backends into loadable modules so that binary distributions don't have to compromise on shipping the storage driver with all backends which may pull in too many dependencies. * Bug fixes - nodedev: Fabric name must not be required for fc_host capability fabric_name is one of many fc_host attributes in Linux that is optional and left to the low-level driver to decide if it is implemented. For example the zfcp device driver does not provide a fabric name for an fcp host. The requirement for the existence of a fabric name has been removed by making it optional. - bhyve: change address allocation schema for SATA disks Previously, the bhyve driver assigned PCI addresses to SATA disks directly rather than assigning that to a controller and using SATA addresses for disks. It was implemented this way because bhyve has no notion of an explicit SATA controller. However, as this doesn't match libvirt's understanding of disk addresses, the bhyve driver was changed to follow the common schema and have PCI addresses for SATA controllers and SATA addresses for disks. If you're having issues because of this, it's recommended to edit the domain's XML and remove <address type='pci'> from the <disk> elements with <target bus='sata'/> and let libvirt regenerate it properly. - libxl: maximum memory fixes Fix reporting of domain maximum memory. Fix setting dom0 maximum memory. - libxl: fix disk detach when <driver> not specified - libxl: fix dom0 autoballooning with Xen 4.8 - qemu: Allow empty script path to <interface/> Historically, this was always allowed. Unfortunately, due to some rework done for 1.3.2 release a bug was dragged in which suddenly stop allowing domain with such configuration to start. Thanks everybody for your contributions for this release, be it with code, bug reports, ideas, etc.... Enjoy the release ! Daniel -- Daniel Veillard | Red Hat Developers Tools http://developer.redhat.com/ veillard(a)redhat.com | libxml Gnome XML XSLT toolkit http://xmlsoft.org/ http://veillard.com/ | virtualization library http://libvirt.org/

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[Libvirt-announce] Candidate Release 2 for libvirt-3.1.0
by Daniel Veillard 01 Mar '17

01 Mar '17

I created RC2 yesterday, just forgot to send this mail, it's available as signed tarball and rpms at the usual place: ftp://libvirt.org/libvirt/ Since there is aonly a single patch between RC1 and RC2 (and only 2 more since RC2 now) this seems to indicate this is really stable (https://ci.centos.org/view/libvirt/ is all green except one test) so without negative feedback in the meantime I think 3.1.0 will go out tomorrow. Still give this a try to make sure we don't have an issue with the release, thanks ! Daniel -- Daniel Veillard | Red Hat Developers Tools http://developer.redhat.com/ veillard(a)redhat.com | libxml Gnome XML XSLT toolkit http://xmlsoft.org/ http://veillard.com/ | virtualization library http://libvirt.org/

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[Libvirt-announce] Entering freeze for libvirt 3.1.0
by Daniel Veillard 24 Feb '17

24 Feb '17

Hi everybody, as planned I just tagged the RC1 in git and uploded the signed tarball and rpms to the usual place: ftp://libvirt.org/libvirt/ Seems to work fine in my limited testing, but more testing especially on different platforms and system is needed. https://ci.centos.org/view/libvirt/ is all green except for on small test so it looks like in good shape ATM, but please give it a try ! I hope to be able to make RC2 on Tuesday which would allow a final release on Thursday 2nd if everything goes well, thanks in advance, Daniel -- Daniel Veillard | Red Hat Developers Tools http://developer.redhat.com/ veillard(a)redhat.com | libxml Gnome XML XSLT toolkit http://xmlsoft.org/ http://veillard.com/ | virtualization library http://libvirt.org/

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[Libvirt-announce] Release of libvirt-3.0.0
by Daniel Veillard 17 Jan '17

17 Jan '17

So I got mixed reports in the last day about the state of the head but one of the big issues seems solved, and I'm not sure keeping the freeze much longer will help, so libvirt-3.0.0 is out. It's tagged in git, signed tarball and rpms are available at thet usual place: ftp://libvirt.org/libvirt/ I also pushed python bindings release too which one can find at ftp://libvirt.org/libvirt/python/ It includes a fair amount of changes despite the slowdown around the end of year break: * New features - Domain events for metadata content changes The domain events framework has a new event ID that can be used to get notifications when domain metadata content changes. - Event notifications for the secret object The secret object now supports event notifications, covering lifcycle changes and secret value changes. - New localPtr attribute for "ip" element in network XML - qemu: Support QEMU group I/O throttling Add the capability to allow group I/O throttling via a new domain <disk> <iotune> subelement "group_name" to allow sharing I/O throttling quota between multiple drives. - nss: Introduce libvirt_guest New libvirt_guest nss module that translates libvirt guest names into IP addresses. - daemon: Add support for runtime logging settings adjustment Logging-related settings like log outputs and filters can now be adjusted during runtime using the admin interface without the necessity of the daemon's restart. - storage: Add virStorageVolInfoFlags API Add the API to support using the VIR_STORAGE_VOL_GET_PHYSICAL flag in order to return the host physical size in bytes of the image container in the allocation field of the _virStorageVolInfo structure. The --physical flag has been added to the virsh vol-info command to access the data. - libxl: Implement virDomainGetMaxVcpus API - storage: Add overwrite flag checking for logical pool Add support for the OVERWRITE flags for the logical storage backend including checking for existing data on the target volumes when building a new logical pool on target volume(s). - qemu: Add support for guest CPU configuration on s390(x) * Improvements - perf: Add more perf statistics Add support to get the count of branch instructions executed, branch misses, bus cycles, stalled frontend cpu cycles, stalled backend cpu cycles, and ref cpu cycles by applications running on the platform. - conf: Display <physical> for volume xml Add a display of the <physical> size of a disk volume in the output of the volume XML. - qemu: Use virtio-pci by default for aarch64 mach-virt guests virtio-pci provides several advantages over virtio-mmio, such as the ability to hotplug devices and improved performance. While opting in to virtio-pci has been possible for a while, newly-defined guests will now use it automatically. - vbox: remove support for VirtualBox 3.x and older Those old VirtualBox versions have been unsupported by upstream for a long time and the API of 4.0 and newer has diverged enough to require code abstractions to handle differences. Removing support for those old versions drops lots of code from the driver and simplifies the logic to ease implementation of new features going forward. - virsh: pool-info: introduce option --bytes Add option --bytes to virsh pool-info in order ti allow display of units in bytes rather than default of human readable output. - scsi: Add parent wwnn/wwpn or fabric capability for createVport Improve the algorithm searching for the parent scsi_host device for vHBA/NPIV scsi_host creation. Rather than supplying the "parent" by name, it's now possible to define the parent by it's wwnn/wwpn or fabric_wwn in the node device create XML or the storage pool XML. - qemu: aggregate pcie-root-ports onto multiple functions of a slot When pcie-root-ports are added to pcie-root in order to provide a place to connect PCI Express endpoint devices, libvirt now aggregates multiple root ports together onto the same slot (up to 8 per slot) in order to conserve slots. Using this method, it's possible to connect more than 200 endpoint devices to a guest that uses PCIe without requiring setup of any PCIe switches. * Bug fixes - lxc: fix accidental killing of containers during libvirtd restart The libvirt_lxc process was previously not moved into the container scope. As a result, if systemd reloads its config after a container is started, when libvirtd is later restarted it will accidentally kill the containers. - qemu: Correct GetBlockInfo values For an active domain, correct the physical value provided for a raw sparse file backed storage and the allocation value provided for a qcow2 file backed storage that hasn't yet been opened on the domain. - qemu: Make virtio console usable on ppc64 guests The chardev detection code has been improved and can now handle this configuration properly. - qemu: Enable mount namespace To avoid funny races with udev relabelling devices under our hands and to enhance security, libvirt now spawns each qemu process with its own /dev. - storage: Fix implementation of no-overwrite for file system backend Fix file system storage backend implementation of the OVERWRITE flags to be consistent between code and documentation. Add checks to ensure that when building a new file system on a target volume that there is not something already on the disk in a format that libvirt can recognize. - qemu: Create hugepage path on per domain basis Historically, all hugepage enabled domains shared the same path under hugetlbfs. This left libvirt unable to correctly set security labels on it. With this release, however, each domain is put into a separate path which is also correctly labeled. - conf: Reject domains with duplicate drive addresses Reject duplicate drive addresses for disks and hostdevs at domain definition. - libxl: reverse defaults on HVM net device attach Fixes network interface attach for HVM domains when no model is specified. Emulated hotplug isn't yet supported and hence we should default to the general working scenario. - libxl: always enable pae for x86_64 HVM By default pae is disabled in libxl. Without an explicit <pae/> setting in the domain <features> configuration, an x86_64 HVM domain would be get an i686 environment. pae should always be enabled for x86_64 HVM domains. Thanks everybody for your contributions to this release, hopefully that won't be a brown paper bag one ! Daniel -- Daniel Veillard | Red Hat Developers Tools http://developer.redhat.com/ veillard(a)redhat.com | libxml Gnome XML XSLT toolkit http://xmlsoft.org/ http://veillard.com/ | virtualization library http://libvirt.org/

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