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[venkata anil <anil.venkata@xxxxxxxxxxxx>]

Public bug reported:

LBaaS adding default gw to vip port and clearing router arp cache failing for ipv6.
This code is 
 https://github.com/openstack/neutron-lbaas/blob/master/neutron_lbaas/drivers/haproxy/namespace_driver.py#L305  
is IPv4 specific and need to be enhanced to support IPv6

Error log, when trying to create listener for IPv6 subnet


2015-05-26 10:57:13.235 DEBUG neutron.agent.linux.utils [req-2630492d-a319-44ed-94b2-71533bdd19c4 admin 11babcdeb88542c38da7d02b34df3093] Running comm
and (rootwrap daemon): ['ip', 'netns', 'exec', 'qlbaas-abeb6446-38db-4f9d-8645-b0e284175bab', 'route', 'add', 'default', 'gw', '4001::1'] from (pid=19
994) execute_rootwrap_daemon /opt/stack/neutron/neutron/agent/linux/utils.py:100
2015-05-26 10:57:13.303 ERROR neutron.agent.linux.utils [req-2630492d-a319-44ed-94b2-71533bdd19c4 admin 11babcdeb88542c38da7d02b34df3093]
Command: ['ip', 'netns', 'exec', u'qlbaas-abeb6446-38db-4f9d-8645-b0e284175bab', 'route', 'add', 'default', 'gw', u'4001::1']
Exit code: 6
Stdin:
Stdout:
Stderr: 4001::1: Unknown host

2015-05-26 10:57:13.303 DEBUG neutron.agent.linux.utils [req-2630492d-a319-44ed-94b2-71533bdd19c4 admin 11babcdeb88542c38da7d02b34df3093] Running command (rootwrap daemon): ['ip', 'netns', 'exec', 'qlbaas-abeb6446-38db-4f9d-8645-b0e284175bab', 'arping', '-U', '-I', 'tap36377f20-9a', '-c', '3', '4001::f816:3eff:feed:1e66'] from (pid=19994) execute_rootwrap_daemon /opt/stack/neutron/neutron/agent/linux/utils.py:100
2015-05-26 10:57:13.382 ERROR neutron.agent.linux.utils [req-2630492d-a319-44ed-94b2-71533bdd19c4 admin 11babcdeb88542c38da7d02b34df3093]
Command: ['ip', 'netns', 'exec', u'qlbaas-abeb6446-38db-4f9d-8645-b0e284175bab', 'arping', '-U', '-I', u'tap36377f20-9a', '-c', 3, u'4001::f816:3eff:feed:1e66']
Exit code: 2
Stdin:
Stdout:
Stderr: arping: unknown host 4001::f816:3eff:feed:1e66

** Affects: neutron
     Importance: Undecided
     Assignee: venkata anil (anil-venkata)
         Status: New


** Tags: ipv6 lb lbaas

** Changed in: neutron
     Assignee: (unassigned) => venkata anil (anil-venkata)

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https://bugs.launchpad.net/bugs/1458838

Title:
  [IPV6][LBaaS] Adding default gw to vip port and clearing router arp
  cache failing for IPv6

Status in OpenStack Neutron (virtual network service):
  New

Bug description:
  LBaaS adding default gw to vip port and clearing router arp cache failing for ipv6.
  This code is 
   https://github.com/openstack/neutron-lbaas/blob/master/neutron_lbaas/drivers/haproxy/namespace_driver.py#L305  
  is IPv4 specific and need to be enhanced to support IPv6

  Error log, when trying to create listener for IPv6 subnet

  
  2015-05-26 10:57:13.235 DEBUG neutron.agent.linux.utils [req-2630492d-a319-44ed-94b2-71533bdd19c4 admin 11babcdeb88542c38da7d02b34df3093] Running comm
  and (rootwrap daemon): ['ip', 'netns', 'exec', 'qlbaas-abeb6446-38db-4f9d-8645-b0e284175bab', 'route', 'add', 'default', 'gw', '4001::1'] from (pid=19
  994) execute_rootwrap_daemon /opt/stack/neutron/neutron/agent/linux/utils.py:100
  2015-05-26 10:57:13.303 ERROR neutron.agent.linux.utils [req-2630492d-a319-44ed-94b2-71533bdd19c4 admin 11babcdeb88542c38da7d02b34df3093]
  Command: ['ip', 'netns', 'exec', u'qlbaas-abeb6446-38db-4f9d-8645-b0e284175bab', 'route', 'add', 'default', 'gw', u'4001::1']
  Exit code: 6
  Stdin:
  Stdout:
  Stderr: 4001::1: Unknown host

  2015-05-26 10:57:13.303 DEBUG neutron.agent.linux.utils [req-2630492d-a319-44ed-94b2-71533bdd19c4 admin 11babcdeb88542c38da7d02b34df3093] Running command (rootwrap daemon): ['ip', 'netns', 'exec', 'qlbaas-abeb6446-38db-4f9d-8645-b0e284175bab', 'arping', '-U', '-I', 'tap36377f20-9a', '-c', '3', '4001::f816:3eff:feed:1e66'] from (pid=19994) execute_rootwrap_daemon /opt/stack/neutron/neutron/agent/linux/utils.py:100
  2015-05-26 10:57:13.382 ERROR neutron.agent.linux.utils [req-2630492d-a319-44ed-94b2-71533bdd19c4 admin 11babcdeb88542c38da7d02b34df3093]
  Command: ['ip', 'netns', 'exec', u'qlbaas-abeb6446-38db-4f9d-8645-b0e284175bab', 'arping', '-U', '-I', u'tap36377f20-9a', '-c', 3, u'4001::f816:3eff:feed:1e66']
  Exit code: 2
  Stdin:
  Stdout:
  Stderr: arping: unknown host 4001::f816:3eff:feed:1e66

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