[libvirt] [PATCH v2 0/5] Guest filesystem information API

[John Ferlan]

On 11/17/2014 06:26 PM, Tomoki Sekiyama wrote:
> Hi,
> 
> This is v2 of patchset to add virDomainGetFSInfo API.
> 
> * changes in v1->v2:
>  -[all] removed redundant NULL element at the last of returned info array
>  -[3/5] make error messages in qemu_agent.c consistent with other commands
>  -[4/5] added a test case for 2 items in info->devAliases
>  -[5/5] added a pod document for virsh domfsinfo command
>  (v1: http://www.redhat.com/archives/libvir-list/2014-October/msg00001.html )
> 
> * summary
>   This series implements a new virDomainGetFSInfo API, that returns a list of
>   mounted filesystems information in the guest, collected via the guest agent.
> 
>   The returned info contains mountpoints and disk device alias named in
>   libvirt, so we can know which mountpoints should be frozen by
>   virDomainFSFreeze to take snapshots of a part of disks.
> 
> ---
> Tomoki Sekiyama (5):
>       Implement public API for virDomainGetFSInfo
>       remote: Implement the remote protocol for virDomainGetFSInfo
>       qemu: Implement the qemu driver for virDomainGetFSInfo
>       qemu: add test for qemuAgentGetFSInfo
>       virsh: expose virDomainGetFSInfo
> 
> 
>  daemon/remote.c                          |  117 ++++++++++++++++++++
>  include/libvirt/libvirt-domain.h         |   21 ++++
>  src/conf/domain_conf.c                   |   71 ++++++++++++
>  src/conf/domain_conf.h                   |    6 +
>  src/driver-hypervisor.h                  |    6 +
>  src/libvirt.c                            |   66 +++++++++++
>  src/libvirt_private.syms                 |    1 
>  src/libvirt_public.syms                  |    6 +
>  src/qemu/qemu_agent.c                    |  178 ++++++++++++++++++++++++++++++
>  src/qemu/qemu_agent.h                    |    2 
>  src/qemu/qemu_driver.c                   |   48 ++++++++
>  src/remote/remote_driver.c               |   92 ++++++++++++++++
>  src/remote/remote_protocol.x             |   32 +++++
>  src/remote_protocol-structs              |   21 ++++
>  src/rpc/gendispatch.pl                   |    1 
>  tests/Makefile.am                        |    1 
>  tests/qemuagentdata/qemuagent-fsinfo.xml |   39 +++++++
>  tests/qemuagenttest.c                    |  143 ++++++++++++++++++++++++
>  tools/virsh-domain.c                     |   74 ++++++++++++
>  tools/virsh.pod                          |    9 ++
>  20 files changed, 933 insertions(+), 1 deletion(-)
>  create mode 100644 tests/qemuagentdata/qemuagent-fsinfo.xml
> 
> --
> 
> Tomoki Sekiyama
> 


I reviewed the 'libvirt' specific changes - had a few comments and have
made changes to my review branch as specified.  As long as you're OK
with those changes I will get these pushed.

I'm also hoping someone else (eblake?) can look at the remote_protocol.x
changes to ensure they encompass everything they are supposed to.  Also
that the usage of QEMU_JOB_QUERY not _MODIFY for the GetFSInfo seems
more appropriate and is in line with the various remote_protocol.x
settings (@acl/@generate stuff settings).

I'll look at the python changes separately, although I think phrdina
understands what needs to change there the best!

John