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[Launchpad Bug Tracker <1075859@xxxxxxxxxxxxxxxxxx>]

This bug was fixed in the package nova -
2012.1.3+stable-20130423-e52e6912-0ubuntu1

---------------
nova (2012.1.3+stable-20130423-e52e6912-0ubuntu1) precise-proposed; urgency=low

  * Resynchronize with stable/essex (e52e6912) (LP: #1089488):
    - [48e81f1] VNC proxy can be made to connect to wrong VM LP: 1125378
    - [3bf5a58] snat rule too broad for some network configurations LP: 1048765
    - [efaacda] DOS by allocating all fixed ips LP: 1125468
    - [b683ced] Add nosehtmloutput as a test dependency.
    - [45274c8] Nova unit tests not running, but still passing for stable/essex
      LP: 1132835
    - [e02b459] vnc unit-test fixes
    - [87361d3] Jenkins jobs fail because of incompatibility between sqlalchemy-
      migrate and the newest sqlalchemy-0.8.0b1 (LP: #1073569)
    - [e98928c] VNC proxy can be made to connect to wrong VM LP: 1125378
    - [c0a10db] DoS through XML entity expansion (CVE-2013-1664) LP: 1100282
    - [243d516] No authentication on block device used for os-volume_boot
      LP: 1069904
    - [80fefe5] use_single_default_gateway does not function correctly
      (LP: #1075859)
    - [bd10241] Essex 2012.1.3 : Error deleting instance with 2 Nova Volumes
      attached (LP: #1079745)
    - [86a5937] do_refresh_security_group_rules in nova.virt.firewall is very
      slow (LP: #1062314)
    - [ae9c5f4] deallocate_fixed_ip attempts to update an already deleted
      fixed_ip (LP: #1017633)
    - [20f98c5] failed to allocate fixed ip because old deleted one exists
      (LP: #996482)
    - [75f6922] snapshot stays in saving state if the vm base image is deleted
      (LP: #921774)
    - [1076699] lock files may be removed in error dues to permissions issues
      (LP: #1051924)
    - [40c5e94] ensure_default_security_group() does not call sgh (LP: #1050982)
    - [4eebe76] At termination, LXC rootfs is not always unmounted before
      rmtree() is called (LP: #1046313)
    - [47dabb3] Heavily loaded nova-compute instances don't sent reports
      frequently enough (LP: #1045152)
    - [b375b4f] When attach volume lost attach when node restart (LP: #1004791)
    - [4ac2dcc] nova usage-list returns  wrong usage (LP: #1043999)
    - [014fcbc] Bridge port's hairpin mode not set after resuming a machine
      (LP: #1040537)
    - [2f35f8e] Nova flavor ephemeral space size reported incorrectly
      (LP: #1026210)
  * Dropped, superseeded by new snapshot:
    - debian/patches/CVE-2013-0335.patch: [48e81f1]
    - debian/patches/CVE-2013-1838.patch: [efaacda]
    - debian/patches/CVE-2013-1664.patch: [c0a10db]
    - debian/patches/CVE-2013-0208.patch: [243d516]
 -- Yolanda <yolanda.robla@xxxxxxxxxxxxx>   Mon, 22 Apr 2013 12:37:08 +0200

** Changed in: nova (Ubuntu Precise)
       Status: Fix Committed => Fix Released

** CVE added: http://www.cve.mitre.org/cgi-
bin/cvename.cgi?name=2013-0208

** CVE added: http://www.cve.mitre.org/cgi-
bin/cvename.cgi?name=2013-0335

** CVE added: http://www.cve.mitre.org/cgi-
bin/cvename.cgi?name=2013-1664

** CVE added: http://www.cve.mitre.org/cgi-
bin/cvename.cgi?name=2013-1838

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https://bugs.launchpad.net/bugs/1075859

Title:
  use_single_default_gateway does not function correctly

Status in OpenStack Compute (Nova):
  Fix Released
Status in OpenStack Compute (nova) essex series:
  Fix Committed
Status in OpenStack Compute (nova) folsom series:
  Fix Released
Status in “nova” package in Ubuntu:
  Fix Released
Status in “nova” source package in Precise:
  Fix Released
Status in “nova” source package in Quantal:
  Fix Released

Bug description:
  I'm using version ESSEX.
  flatDHCP mode , MultiNIC  (tree NICs per VM) environment. 
  If set to use_single_default_gateway = true,
  When you start to four VM, nova-br10 [1-3]. Opts file might look like the following.
  There is no problem in the first unit VM 1, Gateway of the second and subsequent VM is not set.

  [nova-br100.opts]
  NW-183, 3
  NW-186, 3
  NW-189, 3

  [nova-br101.opts]
  NW-157, 3
  NW-184, 3
  NW-187, 3
  NW-190, 3

  [nova-br102.opts]
  NW-158, 3
  NW-185, 3
  NW-188, 3
  NW-191, 3

  nova / network / linux_net.py

       609 def get_dhcp_opts (context, network_ref):
       · · ·
       629 for datum in data:
       630 if instance_id in default_gw_vif:
       631 # we don't want default gateway for this fixed ip
       632 if default_gw_vif [instance_id] = datum ['vif_id']:
       633 hosts.append (_host_dhcp_opts (datum))

  But what I think should be in the following manner.

       609 def get_dhcp_opts (context, network_ref):
       · · ·
       629 for datum in data:
  *ADD*      instance_id = datum ['instance_id']
       630 if instance_id in default_gw_vif:
       631 # we don't want default gateway for this fixed ip
       632 if default_gw_vif [instance_id] = datum ['vif_id']:
       633 hosts.append (_host_dhcp_opts (datum))

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