[ovs-dev] [PATCH] ovs-tcpdump: Add a tcpdump wrapper utility
Ben Pfaff
blp at ovn.org
Tue Jun 7 15:41:13 UTC 2016
On Wed, Jun 01, 2016 at 01:30:40PM -0400, Aaron Conole wrote:
> Currently, there is some documentation which describes setting up and
> using port mirrors for bridges. This documentation is helpful to setup
> a packet capture for specific ports.
>
> However, a utility to do such packet capture would be valuable, both
> as an exercise in documenting the steps an additional time, and as a way
> of providing an out-of-the-box experience for running a capture.
>
> This commit adds a tcpdump-wrapper utility for such purpose. It uses the
> Open vSwitch python library to add/remove ports and mirrors to/from the
> Open vSwitch database. It will create a tcpdump instance listening on
> the mirror port (allowing the user to specify additional arguments), and
> dump data to the screen (or otherwise).
>
> Signed-off-by: Aaron Conole <aconole at redhat.com>
This is pretty cool but I don't feel up to reviewing this much Python.
Anyone else want to take a shot at it? Alternatively, if no one does,
then I'm willing to just take it as-is since it's so independent of
everything else and therefore low risk.
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