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[OpenStack Infra <1300800@xxxxxxxxxxxxxxxxxx>]

Reviewed:  https://review.openstack.org/108274
Committed: https://git.openstack.org/cgit/openstack-dev/devstack/commit/?id=7df9d1be17162feabeaba35faa87baf09debe590
Submitter: Jenkins
Branch:    master

commit 7df9d1be17162feabeaba35faa87baf09debe590
Author: Angus Lees <gus@xxxxxxxxxx>
Date:   Mon Jul 21 15:35:34 2014 +1000

    Ensure sbin is in PATH.
    
    Some distros (Debian) don't have sbin in PATH for non-root users.
    
    Nova (and possibly other services) assumes that it can invoke "sysctl"
    without sudo.
    
    Change-Id: Iced21fc1378af309fb49688f9b63f2cd8383e304
    Closes-Bug: #1300800


** Changed in: devstack
       Status: New => Fix Released

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https://bugs.launchpad.net/bugs/1300800

Title:
  Nova boot fails if sbin not in path

Status in devstack - openstack dev environments:
  Fix Released
Status in OpenStack Compute (Nova):
  Invalid
Status in OpenStack Manuals:
  Triaged

Bug description:
  In a fresh install of devstack I see an error in the nova-compute log
  when I try to start an instance. I tracked this down to coming from
  nova/linux_net.py where sysctl is called in _enable_ipv4_forwarding().

  If I add /sbin to my path the error goes away. However some distros,
  e.g.: debian, don't include sbin in the standard path rather they
  restrict it to root users only.

  I think the call to sysctl (and possibly other similar calls) should
  be moved to use rootwrap, along with preventing issues like this it
  would have the added benifit of making the code slightly more OS
  agnostic.

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