[libvirt] [PATCH] Support 'block_passwd' command for QEMU disk encryption

[Daniel P. Berrange]

On Thu, Feb 11, 2010 at 02:31:37PM +0000, Daniel P. Berrange wrote:
> The old text mode monitor prompts for a password when disks are
> encrypted. This interactive approach doesn't work for JSON mode
> monitor. Thus there is a new 'block_passwd' command that can be
> used.
> 
> * src/qemu/qemu_driver.c: Split out code for looking up a disk
>   secret from findVolumeQcowPassphrase, into a new method
>   getVolumeQcowPassphrase. Enhance qemuInitPasswords() to also
>   set the disk encryption password via the monitor
> * src/qemu/qemu_monitor.c, src/qemu/qemu_monitor.h,
>   src/qemu/qemu_monitor_json.c, src/qemu/qemu_monitor_json.h,
>   src/qemu/qemu_monitor_text.c, src/qemu/qemu_monitor_text.h: Add
>   support for the 'block_passwd' monitor command.
> ---
>  src/qemu/qemu_driver.c       |  117 +++++++++++++++++++++++++++++-------------
>  src/qemu/qemu_monitor.c      |   15 +++++
>  src/qemu/qemu_monitor.h      |    4 ++
>  src/qemu/qemu_monitor_json.c |   33 ++++++++++++
>  src/qemu/qemu_monitor_json.h |    4 ++
>  src/qemu/qemu_monitor_text.c |   47 +++++++++++++++++
>  src/qemu/qemu_monitor_text.h |    4 ++
>  7 files changed, 188 insertions(+), 36 deletions(-)

FYI, I also added a test case for storage encryption

http://libvirt.org/git/?p=libvirt-tck.git;a=commit;h=362d72acd941481f9d83e8511c2b58da8fb2bd10


Daniel
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