lbaasv2 namespace missing host routes from VIP subnet

Bug #1541802 reported by Damien Churchill on 2016-02-04
This bug affects 1 person
Affects Status Importance Assigned to Milestone

Bug Description

When a lbaasv2 namespace is created it only receives the default gateway for that subnet, the additional host routes defined against the subnet are ignored which results in certain areas of a network being inaccessible.

# ip netns exec qlbaas-ae4b71ef-e874-46a1-a489-c2a6e186ffe3 ip r s
default via dev tap9e9051cd-ff dev tap9e9051cd-ff proto kernel scope link src

Version Info:

OpenStack: Liberty
Distro: Ubuntu 14.04.3

Not sure if any more information is required.

tags: added: lbaas
Brandon Logan (brandon-logan) wrote :

this is for the v2 agent namespace driver.

looking at the code here:

Looks like if the subnet has no gateway then it'll use the host routes. If it does have a gateway then it will not configure the host routes.

Brandon Logan (brandon-logan) wrote :

This looks like a bug to me because the host routes can be extra routes to take besides the default gateway ip.

It would need to be added here after this line:

Changed in neutron:
status: New → Confirmed
Changed in neutron:
importance: Undecided → Medium
Changed in neutron:
assignee: nobody → yaowei (yaowei)
affects: neutron → octavia
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