Revision as of 14:35, 13 January 2016

Meetings

• Weekly on Wednesday at 1500 UTC
• IRC channel: #openstack-meeting-alt on freenode
• Chair: Brian Haley (haleyb), Swaminathan Vasudevan (Swami)
• Meetings, with their notes and logs, will be found under http://eavesdrop.openstack.org/meetings/neutron_dvr

Agenda

Meeting January 13th, 2016

Announcements (haleyb)

• Mitaka 2 is next week

Topics for Discussion

Topic: Live Migration issues with DVR (Swami)

• We have started a discussion on the live migration issue with DVR and how to address it from the neutron side. As a team we need to get consensus on this ideas before we work with the Nova team on this issue. I would like to discuss this today in our team meeting to get

everyone on the same page.

• • https://bugs.launchpad.net/neutron/+bug/1456073 ( discussion thread)
  • Any updates - Are we all in sync with nova-neutron notifier requirement and also with the changes proposed for the neutron side to address the live migration.

Bugs (Swami)

New Bugs this week

• No New Bugs this week.

• https://bugs.launchpad.net/neutron/+bug/1512199 - (Medium) This bug has been confirmed and re-opened this week.

Seen in Master branch as well - probably introduced do to regression.

Categorized Bugs

Gate Test Failures

• https://bugs.launchpad.net/neutron/+bug/1522824 (High) - Test_shelve_instance test failure.
  • https://review.openstack.org/#/c/253569/ - Set PENDING_BUILD status for ports after update in DB - needs another +2
• https://bugs.launchpad.net/neutron/+bug/1450604 (Medium) - Fix or stabilize Multinode Job

Existing Functionality Broken Bugs

• https://bugs.launchpad.net/neutron/+bug/1456073 (High) - Block Migration with FIP breaks with DVR.
  • related bug https://bugs.launchpad.net/neutron/+bug/1414559 with fixes:
    • in neutron https://review.openstack.org/#/c/246898/ (Needs review)
    • and nova https://review.openstack.org/#/c/246910/ (Needs review)
    • https://review.openstack.org/#/c/259299/ (WIP)
    • https://review.openstack.org/#/c/259171/ (WIP)
    • https://review.openstack.org/#/c/260738/ (WIP)

• https://bugs.launchpad.net/neutron/+bug/1462154 (High) - DVR pings to floatingip replied with fixed ips.
  • https://review.openstack.org/246855
  • https://review.openstack.org/246894
  • Doesn't seem to be making progress?
• https://bugs.launchpad.net/neutron/+bug/1445255 (Low) - DVR Floatingip to unbound port does not work (Allowed address pair).
  • https://review.openstack.org/#/c/254439/ (Needs review)

• https://bugs.launchpad.net/neutron/+bug/1499785 (Low) - Static routes are not added to the router namespace
• https://bugs.launchpad.net/neutron/+bug/1499787 (Low) - Static routes are added to snat namespace without checking for gateway.
  • https://review.openstack.org/#/c/228026/ (reviewed - final comments addressed)

• https://bugs.launchpad.net/neutron/+bug/1447227 (Low) - Connecting two or more distributed routers to a subnet. (No one is working on it)
• https://bugs.launchpad.net/neutron/+bug/1510796 (Low) - Function sync_routers always calls get_dvr_sync_data in ha scenario.
  • https://review.openstack.org/#/c/239908/ (Needs review)

• https://bugs.launchpad.net/neutron/+bug/1424096 (Undecided) - Oleg has a patch for this bug.
  • https://review.openstack.org/#/c/257938/ - (Patch in merge conflict - reviewed)
• https://bugs.launchpad.net/neutron/+bug/1530179 -(Medium) get_subnet_for_dvr() returns wrong gateway mac
  • https://review.openstack.org/#/c/262574/ - (Needs review)

• https://bugs.launchpad.net/neutron/+bug/1526175 (Medium) - L3 HA routers end up in DVR Node (medium)
  • https://review.openstack.org/#/c/265499/ - (Needs review)
• https://bugs.launchpad.net/neutron/+bug/1524908 (Undecided -May be a Low)- Router may be removed from SNAT agent by accident.
  • https://review.openstack.org/#/c/257849/ (Needs review)

Scale and Performance Impact Bugs

• https://bugs.launchpad.net/neutron/+bug/1505575 Fatal memory consumption by neutron-server with DVR at scale
  • https://review.openstack.org/#/c/234067/ (sync in chunks)

New Features Bugs

• https://bugs.launchpad.net/neutron/+bug/1365473 (High) - (DVR SNAT HA - Server Side) (Should change this to HIGH) Right now it is WishList.
  • https://review.openstack.org/#/c/143169/ (Needs core blessings)

Refactor or Cleanup Bugs

• https://bugs.launchpad.net/neutron/+bug/1531065 - (Low) duplicate fetch subnet_id in get_subnet_for_dvr
  • https://review.openstack.org/#/c/263563/ - (Needs review)

WishList Bugs

• https://bugs.launchpad.net/neutron/+bug/1504039 (Linux bridge support for DVR)
• https://bugs.launchpad.net/neutron/+bug/1518819 - Ability to specify a gateway when adding a subnet without cidr
• https://bugs.launchpad.net/neutron/+bug/1529439 - unify validate_agent_router_combination exceptions for dvr agent_mode
• https://bugs.launchpad.net/neutron/+bug/1450067 (Low) - ML2 and L3 plugin exposes dvr extension even if ovs is unused. (No owners yet).

WatchList Bugs

• https://bugs.launchpad.net/neutron/+bug/1444014 (Incomplete) (StaleDataError) - on Watch
• https://bugs.launchpad.net/neutron/+bug/1521815 (Low)- (DVR functional Job failure) - on Watch state

Bugs Closed

• https://bugs.launchpad.net/neutron/+bug/1508869 (Low) - handle port host change (live migration) - Done ( Can be closed)
• https://bugs.launchpad.net/neutron/+bug/1524020 (Medium) - DVR ARP update call count can be reduced. - Done ( Can be closed)
• https://bugs.launchpad.net/neutron/+bug/1524291 (Low) - Code duplication - Done (Can be closed)

Discuss a plan to address the gate failures

• Current failure rate: https://goo.gl/L1WODG
  • Single node check job voting
• Debug the gate in the current failure state (Identify owners who can own this)
• https://bugs.launchpad.net/neutron/+bug/1515360 - Tempest "SSHTimeout" failures
  • https://review.openstack.org/#/c/247748/ (add debugging code to l3-agent) - Still pings are not consistent with the tempest.
• https://drive.google.com/file/d/0B4kh-7VVPWlPMkdrQWFFdjNsSnM/view?usp=sharing - Logstash failures captured. Any logstash errors can be captured here.

Performance/Scalability (obondarev)

• https://blueprints.launchpad.net/neutron/+spec/improve-dvr-l3-agent-binding
  • Started https://review.openstack.org/#/c/254837/

Open Discussion

Meeting commands

/join #openstack-meeting-alt
#startmeeting neutron_dvr
#topic Announcements
#undo topic
#link https://wiki.openstack.org/wiki/Meetings/Neutron-DVR
#action haleyb will get something specific done this week
#chair Swami
...
#endmeeting