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When migration fails in Perform phase, we call Finish on the destination
host with cancelled=1 and get the error from there and report it to the
user. This works well if the error on the destination caused the
migration to fail. But in other cases the main error may reported by the
source and the destination would just be complaining about broken
migration stream.
In other words, we don't really know which error caused the migration to
fail and we have no way of detecting that. So instead of choosing one
error, this patch will combine the error messages from both sides of
migration into a single message and report it to the user. The result
would be, for example:
operation failed: migration failed. Message from the source host:
operation failed: job 'migration out' failed: Certificate does not
match the hostname ble.bla. Message from the destination host:
operation failed: job 'migration in' failed: load of migration
failed: Invalid argument
And yes, this is ugly, but I wasn't able to come up with a better way of
fixing this issue.
https://issues.redhat.com/browse/RHEL-58933
Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
Reviewed-by: Ján Tomko <jtomko@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:
* users@lists.libvirt.org (**for user discussions**)
* devel@lists.libvirt.org (**for development only**)
Further details on contacting the project are available on the website:
https://libvirt.org/contact.html