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When configuring OVS interfaces/bridges we spawn 'ovs-vsctl' with appropriate arguments and if it exited with a non-zero status we report a generic error message, like "Unable to add port vnet0 to OVS bridge ovsbr0". This is all cool, but the real reason why operation failed is hidden in (debug) logs because that's where virCommandRun() reports it unless caller requested otherwise. This is a bit clumsy because then we have to ask users to turn on debug logs and reproduce the problem again, e.g. [1]. Therefore, in cases where an error is reported to the user - just read ovs-vsctl's stderr and include it in the error message. For other cases (like VIR_DEBUG/VIR_WARN) - well they are meant to end up in (debug) logs anyway. 1: https://mail.openvswitch.org/pipermail/ovs-discuss/2023-September/052640.html Signed-off-by: Michal Privoznik <mprivozn@redhat.com> Reviewed-by: Martin Kletzander <mkletzan@redhat.com>
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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:
* libvirt-users@redhat.com (**for user discussions**)
* libvir-list@redhat.com (**for development only**)
Further details on contacting the project are available on the website:
https://libvirt.org/contact.html