[Bug 1062314] Re: do_refresh_security_group_rules in nova.virt.firewall is very slow

[OpenStack Hudson]

Reviewed:  https://review.openstack.org/14368
Committed: http://github.com/openstack/nova/commit/86a59376c6d4d2ec5a05c8b63a419d0374e9d9c9
Submitter: Jenkins
Branch:    stable/essex

commit 86a59376c6d4d2ec5a05c8b63a419d0374e9d9c9
Author: Michael Still <mikal at stillhq.com>
Date:   Thu Oct 11 15:46:11 2012 +1100

    Avoid RPC calls while holding iptables lock.
    
    This exhibitied itself as very slow instance starts on a Canonical
    test cluster. This was because do_referesh_security_group_rules()
    was making rpc calls while holding the iptables lock. This refactor
    avoids that while making no functional changes (I hope).
    
    Fixes bug: 1062314
    Change-Id: I36f805bd72f7bd06082cfe96c58d637203bcffb7
    Cherry-picked: ba585524e32965697c1a44c8fd743dea060bb1af
    Conflicts:
    	nova/virt/firewall.py


** Changed in: nova/essex
       Status: In Progress => Fix Committed

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https://bugs.launchpad.net/bugs/1062314

Title:
  do_refresh_security_group_rules in nova.virt.firewall is very slow

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