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On 2010-12-08T11:12:05+00:00 Soren wrote:

Description of problem:

NWFilter code does not discover if required tools are installed after
starting the daemon (nor if they are removed).

Version-Release number of selected component (if applicable):

0.8.3 at least.

How reproducible:

Every time.

Steps to Reproduce:
1. Uninstall (if already installed) ebtables.
2. Start libvirtd
3. Try to start a guest that uses nwfilters.
4. Watch it fail.
5. Install ebtables and repeat steps 3 and 4.
  
Actual results:

It fails to notice that I've now installed ebtables (and gawk and
iptables).

Expected results:

It should notice that these tools are now available.

Additional info:

The converse is also true: If they tools are present when libvirtd
starts, but are removed later, things will fail.

Reply at:
https://bugs.launchpad.net/ubuntu/+source/libvirt/+bug/684088/comments/3

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On 2016-04-21T21:08:29+00:00 Cole wrote:

Patch sent upstream:

http://www.redhat.com/archives/libvir-list/2016-April/msg01538.html

Reply at:
https://bugs.launchpad.net/ubuntu/+source/libvirt/+bug/684088/comments/6

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On 2016-04-23T19:36:40+00:00 Cole wrote:

I was wrong, that patch doesn't really change things here, I thought
this report was about build time and not run time.

There still seems to be some issues here but I don't really see it as
worth fixing: iptables/ebtables are so commonly available, and this will
only hit cases where people are building by hand and not using
distribution packages. So we could extend the code to handle it, but
frankly I don't think it's worth the effort of implementing. That said
if someone shows up on the list with a simple patch I'm sure it will be
accepted

Reply at:
https://bugs.launchpad.net/ubuntu/+source/libvirt/+bug/684088/comments/7


** Changed in: libvirt
       Status: Unknown => Won't Fix

** Changed in: libvirt
   Importance: Unknown => Medium

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https://bugs.launchpad.net/bugs/684088

Title:
  libvirt should detect the presence of tools at use-time rather than at
  start-time

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