[libvirt] [PATCH 04/21] backup: Introduce virDomainBackup APIs

[Daniel P. Berrangé]

On Tue, Nov 26, 2019 at 10:39:50PM +0100, Peter Krempa wrote:
> From: Eric Blake <eblake at redhat.com>
> 
> Introduce a few new public APIs related to incremental backups.  This
> builds on the previous notion of a checkpoint (without an existing
> checkpoint, the new API is a full backup, differing from
> virDomainBlockCopy in the point of time chosen and in operation on
> multiple disks at once); and also allows creation of a new checkpoint
> at the same time as starting the backup (after all, an incremental
> backup is only useful if it covers the state since the previous
> backup).
> 
> A backup job also affects filtering a listing of domains, as well as
> adding event reporting for signaling when a push model backup
> completes (where the hypervisor creates the backup); note that the
> pull model does not have an event (starting the backup lets a third
> party access the data, and only the third party knows when it is
> finished).
> 
> The full list of new APIs:
>         virDomainBackupBegin;
>         virDomainBackupGetXMLDesc;
> 
> Signed-off-by: Eric Blake <eblake at redhat.com>
> Signed-off-by: Peter Krempa <pkrempa at redhat.com>
> ---
>  include/libvirt/libvirt-domain.h |  14 +++-
>  src/driver-hypervisor.h          |  12 +++
>  src/libvirt-domain-checkpoint.c  |   7 +-
>  src/libvirt-domain.c             | 138 +++++++++++++++++++++++++++++++
>  src/libvirt_public.syms          |   6 ++
>  5 files changed, 173 insertions(+), 4 deletions(-)

Reviewed-by: Daniel P. Berrangé <berrange at redhat.com>
 

Regards,
Daniel
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