RabbitMQ does not start when host has ipv6 force-disabled

[Damien Ciabrini]

When heat parameter KernelDisableIPv6 is used, tripleo disable inet6 support for _all_ network interfaces on the nodes it will deploy.

Currently, as discussed in [1], the Erlang Port Mapper Daemon requires that at least the loopback interface support IPv6 in order to initialize properly. Without that, rabbitmq-server cannot start and deployment fails at step 2.

[1] https://bugs.launchpad.net/ubuntu/+source/rabbitmq-server/+bug/1312507/comments/15

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.openstack.org/580120

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/580120
Committed: https://git.openstack.org/cgit/openstack/tripleo-heat-templates/commit/?id=93fb7f08b8e1915ef594192984574f4f9613ccb1
Submitter: Zuul
Branch: master

commit 93fb7f08b8e1915ef594192984574f4f9613ccb1
Author: Damien Ciabrini <email address hidden>
Date: Wed Jul 4 05:36:39 2018 -0400

    Do not disable ipv6 on loopback interface for epmd

    Currently, as discussed in [1], the Erlang Port Mapper Daemon requires that
    the loopback interface supports IPv6 in order to initialize properly.
    Without that, rabbitmq-server cannot start and deployment fails at step 2.

    Until the startup behaviour of epmd is amended, do not disable inet6 support
    on loopback device to workaround the problem.

    Closes-Bug: #1780065

    [1] https://bugs.launchpad.net/ubuntu/+source/rabbitmq-server/+bug/1312507/comments/15

    Change-Id: I200acaeaca15e47dc2e3b2462a6254e85477ffb0

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: stable/queens
Review: https://review.openstack.org/580460

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/580460
Committed: https://git.openstack.org/cgit/openstack/tripleo-heat-templates/commit/?id=6b69b3e7851bab60ea74243baad970f8e7ff2898
Submitter: Zuul
Branch: stable/queens

commit 6b69b3e7851bab60ea74243baad970f8e7ff2898
Author: Damien Ciabrini <email address hidden>
Date: Wed Jul 4 05:36:39 2018 -0400

    Do not disable ipv6 on loopback interface for epmd

    Currently, as discussed in [1], the Erlang Port Mapper Daemon requires that
    the loopback interface supports IPv6 in order to initialize properly.
    Without that, rabbitmq-server cannot start and deployment fails at step 2.

    Until the startup behaviour of epmd is amended, do not disable inet6 support
    on loopback device to workaround the problem.

    Closes-Bug: #1780065

    [1] https://bugs.launchpad.net/ubuntu/+source/rabbitmq-server/+bug/1312507/comments/15

    Change-Id: I200acaeaca15e47dc2e3b2462a6254e85477ffb0
    (cherry picked from commit 93fb7f08b8e1915ef594192984574f4f9613ccb1)

[OpenStack Infra (hudson-openstack)]

This issue was fixed in the openstack/tripleo-heat-templates 9.0.0.0b4 development milestone.

[OpenStack Infra (hudson-openstack)]

This issue was fixed in the openstack/tripleo-heat-templates 8.0.5 release.

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: stable/pike
Review: https://review.openstack.org/606026

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/606026
Committed: https://git.openstack.org/cgit/openstack/tripleo-heat-templates/commit/?id=8794eccaf01324d2f65b8ff85fd7b3ddde3b0631
Submitter: Zuul
Branch: stable/pike

commit 8794eccaf01324d2f65b8ff85fd7b3ddde3b0631
Author: Damien Ciabrini <email address hidden>
Date: Wed Jul 4 05:36:39 2018 -0400

    Do not disable ipv6 on loopback interface for epmd

    Currently, as discussed in [1], the Erlang Port Mapper Daemon requires that
    the loopback interface supports IPv6 in order to initialize properly.
    Without that, rabbitmq-server cannot start and deployment fails at step 2.

    Until the startup behaviour of epmd is amended, do not disable inet6 support
    on loopback device to workaround the problem.

    Closes-Bug: #1780065

    [1] https://bugs.launchpad.net/ubuntu/+source/rabbitmq-server/+bug/1312507/comments/15

    NB: Not a 100% clean cherry-pick

    Change-Id: I200acaeaca15e47dc2e3b2462a6254e85477ffb0
    (cherry picked from commit 93fb7f08b8e1915ef594192984574f4f9613ccb1)

[OpenStack Infra (hudson-openstack)]

This issue was fixed in the openstack/tripleo-heat-templates 7.0.18 release.