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mirror of https://gitlab.com/libvirt/libvirt.git synced 2025-01-13 00:01:55 +00:00
Peter Krempa 93c3e3d49e remote: Don't attempt remote connection from libvirtd
When a hypervisor driver is not compiled in and a user enables the
monolithic libvirtd, they get the following misleading error:

  $ virsh -c qemu:///system
  error: failed to connect to the hypervisor
  error: Failed to connect socket to '/var/run/libvirt/virtqemud-sock': No such file or directory

The issue is that the daemon side of the remote driver can't find the
appropriate driver, but the remote driver always accepts everything and
thus attempts to delegate further, which in case of libvirtd makes no
sense.

Refuse opening a connection for local URIS even when the requested
driver is not registered in case when we are inside 'libvirtd' as
libvirtd doesn't have anything to delegate to.

  $ virsh -c qemu:///system
  error: failed to connect to the hypervisor
  error: no connection driver available for qemu:///system

Discovered when investigating https://gitlab.com/libvirt/libvirt/-/issues/370

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
2022-09-13 10:50:02 +02:00
2019-05-31 17:54:28 +02:00
2022-09-07 16:08:52 +02:00
2019-09-06 12:47:46 +02:00
2022-03-17 14:33:12 +01:00
2020-01-16 13:04:11 +00:00
2020-08-03 09:26:48 +02:00
2019-10-18 17:32:52 +02:00
2020-08-03 15:08:28 +02:00

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Libvirt API for virtualization

Libvirt provides a portable, long term stable C API for managing the virtualization technologies provided by many operating systems. It includes support for QEMU, KVM, Xen, LXC, bhyve, Virtuozzo, VMware vCenter and ESX, VMware Desktop, Hyper-V, VirtualBox and the POWER Hypervisor.

For some of these hypervisors, it provides a stateful management daemon which runs on the virtualization host allowing access to the API both by non-privileged local users and remote users.

Layered packages provide bindings of the libvirt C API into other languages including Python, Perl, PHP, Go, Java, OCaml, as well as mappings into object systems such as GObject, CIM and SNMP.

Further information about the libvirt project can be found on the website:

https://libvirt.org

License

The libvirt C API is distributed under the terms of GNU Lesser General Public License, version 2.1 (or later). Some parts of the code that are not part of the C library may have the more restrictive GNU General Public License, version 2.0 (or later). See the files COPYING.LESSER and COPYING for full license terms & conditions.

Installation

Instructions on building and installing libvirt can be found on the website:

https://libvirt.org/compiling.html

Contributing

The libvirt project welcomes contributions in many ways. For most components the best way to contribute is to send patches to the primary development mailing list. Further guidance on this can be found on the website:

https://libvirt.org/contribute.html

Contact

The libvirt project has two primary mailing lists:

Further details on contacting the project are available on the website:

https://libvirt.org/contact.html

Description
Libvirt provides a portable, long term stable C API for managing the virtualization technologies provided by many operating systems. It includes support for QEMU, KVM, Xen, LXC, bhyve, Virtuozzo, VMware vCenter and ESX, VMware Desktop, Hyper-V, VirtualBox and the POWER Hypervisor.
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