[et-mgmt-tools] Re: [fedora-virt] RFC: libosinfo: Library for virt OS/distro metadata 3

[Cole Robinson]

On 06/15/2009 08:15 AM, Richard W.M. Jones wrote:
> On Sun, Jun 14, 2009 at 06:50:02PM -0400, Cole Robinson wrote:
>> The public API looks like:
>>
>> /**
>>  * Values stored in the OS dictionary
>>  */
>> enum _os_value_type {
>>     OS_VALUE_NAME = 1,          /** Human readable family/distro... name */
>>     OS_VALUE_MEDIA_INSTALL_URL, /** URL to an install tree */
>> };
>> typedef enum _os_value_type os_value_t;
>>
>> int     os_init();
>> void    os_close();
>>
>> int     os_find_families        (char ***list);
>> int     os_find_distros         (const char *parent_id, char ***list);
>> int     os_find_releases        (const char *parent_id, char ***list);
>> int     os_find_updates         (const char *parent_id, char ***list);
>>
>> int     os_lookup_value         (os_value_t value_type,
>>                                  const char *os_id,
>>                                  char **value);
> 
> There's a (little) overlap and a possible user in virt-inspector.
> 
> In virt-inspector we do things the other way around - we look inside
> the guest for files like /etc/redhat-release and /etc/debian_version,
> and parse those to determine the OS distro and release (also we parse
> the registry to do the same for Windows).  The code for Linux is here:
> 
> http://git.et.redhat.com/?p=libguestfs.git;a=blob;f=inspector/virt-inspector.pl;h=1d8a84b424eb73ceafee041f0e1d76d371506aa7;hb=HEAD#l410
> 
> It would be nice for virt-inspector to output ID strings which are
> compatible with osinfo.
> 

Agreed, I was thinking something along the same lines.

> 'Course we'll need Perl bindings.  Did you see this?
> 
> http://rwmj.wordpress.com/2009/04/20/generating-code/
>

Thanks, I'll take a look.

- Cole