[Libguestfs] [Query] Access procfs of guest VM using libguestfs

[Richard W.M. Jones]

On Mon, Jan 12, 2015 at 04:49:53PM -0800, Surojit Pathak wrote:
> Hi all,
> I am using libvirt:qemu-kvm and I want to access(RO) the procfs of
> the guest vm.
> I was trying to use guestfs for the same purpose.
> I can access /tmp of the guest but not the /proc
> 
> Is it a known issue? If so, how can I overcome the same? Any pointers?

Yes, I'm afraid libguestfs simply doesn't work this way.  It's a way
to access disk images, not virtual filesystems created by the guest.

You probably want something like qemu-ga.

Rich.

> Snippet>
> [root at hv285 scoreboards]# virsh list
>  Id    Name                           State
> ----------------------------------------------------
>  80    instance-00000121              running
> 
> [root at hv285 scoreboards]# virt-cat -d instance-00000121 /tmp/uname
> Linux  2.6.32-431.11.2.el6.XXXXX.20140407.x86_64 #1 SMP Mon Apr 7
> 11:31:51 CDT 2014 x86_64 x86_64 x86_64 GNU/Linux
> [root at hv285 scoreboards]# guestfish --version
> guestfish 1.20.11rhel=6,release=2.el6
> [root at hv285 scoreboards]# uname
> Linux
> [root at hv285 scoreboards]# virt-cat -d instance-00000121 /proc/meminfo
> libguestfs: error: download: /proc/meminfo: No such file or directory
> [root at hv285 scoreboards]#
> 
> -- 
> Regards,
> SURO
> 
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