Re: [Qemu-devel] [RFC PATCH 02/14] KVM Test: Add a function get_interface_name() to kvm_net_utils.py

[Lucas Meneghel Rodrigues <lmr@redhat.com>]

On Tue, 2010-07-20 at 09:35 +0800, Amos Kong wrote:
> The function get_interface_name is used to get the interface name of linux
> guest through the macaddress of specified macaddress.

I wonder if it wouldn't be overkill to have separate utility libraries
on the kvm test instead of a single kvm_utils and kvm_test_utils like
you are proposing. Any thoughts Michael?

> Signed-off-by: Jason Wang <jasowang@redhat.com>
> Signed-off-by: Amos Kong <akong@redhat.com>
> ---
>  0 files changed, 0 insertions(+), 0 deletions(-)
> 
> diff --git a/client/tests/kvm/kvm_net_utils.py b/client/tests/kvm/kvm_net_utils.py
> new file mode 100644
> index 0000000..ede4965
> --- /dev/null
> +++ b/client/tests/kvm/kvm_net_utils.py
> @@ -0,0 +1,18 @@
> +import re
> +
> +def get_linux_ifname(session, mac_address):
> +    """
> +    Get the interface name through the mac address.
> +
> +    @param session: session to the virtual machine
> +    @mac_address: the macaddress of nic
> +    """
> +
> +    output = session.get_command_output("ifconfig -a")
> +
> +    try:
> +        ethname = re.findall("(\w+)\s+Link.*%s" % mac_address, output,
> +                             re.IGNORECASE)[0]
> +        return ethname
> +    except:
> +        return None
> 
>