Lbaas driver could pick the wrong member address in dual stack network

[Hang Yang]

Currently when Senlin adds a member to a load balancer's pool, it just uses the first address of the node.[1] In a dual stack network, if the node's first address does not match with the ip_version of the pool's subnet, the member will become unaccessible from the load balancer.

[1] https://github.com/openstack/senlin/blob/master/senlin/drivers/os/lbaas.py#L294-L295

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/632830
Committed: https://git.openstack.org/cgit/openstack/senlin/commit/?id=ec3c42a2ad0644b0b342cbebb50820eafb7d916e
Submitter: Zuul
Branch: master

commit ec3c42a2ad0644b0b342cbebb50820eafb7d916e
Author: Hang Yang <email address hidden>
Date: Wed Jan 23 15:25:12 2019 -0800

    Fix member address selection in lbaas driver

    Currently when Senlin adds a member to load balancer's pool, it just uses
    the first address of the node. In a dual stack network, if the first
    address does not match with the subnet ip version, the member will become
    unaccessible from the load balancer. This patch ensures the right address
    will be picked according to the subnet ip version.

    Change-Id: I0322184dfdb46a7560c20e85452d84d2ffb83a1c
    Closes-Bug: #1813089

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: stable/rocky
Review: https://review.openstack.org/634079

[OpenStack Infra (hudson-openstack)]

This issue was fixed in the openstack/senlin 7.0.0.0b1 development milestone.

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/634079
Committed: https://git.openstack.org/cgit/openstack/senlin/commit/?id=60a7db5f5251492e2c2591bf2057ff35827e7216
Submitter: Zuul
Branch: stable/rocky

commit 60a7db5f5251492e2c2591bf2057ff35827e7216
Author: Hang Yang <email address hidden>
Date: Wed Jan 23 15:25:12 2019 -0800

    Fix member address selection in lbaas driver

    Currently when Senlin adds a member to load balancer's pool, it just uses
    the first address of the node. In a dual stack network, if the first
    address does not match with the subnet ip version, the member will become
    unaccessible from the load balancer. This patch ensures the right address
    will be picked according to the subnet ip version.

    Change-Id: I0322184dfdb46a7560c20e85452d84d2ffb83a1c
    Closes-Bug: #1813089
    (cherry picked from commit ec3c42a2ad0644b0b342cbebb50820eafb7d916e)

[OpenStack Infra (hudson-openstack)]

This issue was fixed in the openstack/senlin rocky-eol release.