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The most important what I mean that without above config, our cluster will
not work prolerly if 1 of 3 controller is down. I tested with Xena and Yoga
by using kolla-ansible.

On Tue, Apr 11, 2023, 8:48 PM Nguyễn Hữu Khôi <nguyenhuukhoinw at gmail.com>
wrote:

> Thank for your response.
> I set in global.yml.
> om_enable_rabbitmq_high_availability: "true"
> But it wont work so i need add policies for rabbitmq.
>
> On Tue, Apr 11, 2023, 7:42 PM Michał Nasiadka <mnasiadka at gmail.com> wrote:
>
>> Hello,
>>
>> RabbitMQ HA has been backported into stable releases, and it’s documented
>> here:
>>
>> https://docs.openstack.org/kolla-ansible/yoga/reference/message-queues/rabbitmq.html#high-availability
>>
>> Best regards,
>> Michal
>>
>> W dniu wt., 11.04.2023 o 13:32 Nguyễn Hữu Khôi <nguyenhuukhoinw at gmail.com>
>> napisał(a):
>>
>>> Yes.
>>> But cluster cannot work properly without it. :(
>>>
>>> On Tue, Apr 11, 2023, 6:18 PM Danny Webb <Danny.Webb at thehutgroup.com>
>>> wrote:
>>>
>>>> This commit explains why they largely removed HA queue durability:
>>>>
>>>>
>>>> https://opendev.org/openstack/kolla-ansible/commit/2764844ee2ff9393a4eebd90a9a912588af0a180
>>>> ------------------------------
>>>> *From:* Satish Patel <satish.txt at gmail.com>
>>>> *Sent:* 09 April 2023 04:16
>>>> *To:* Nguyễn Hữu Khôi <nguyenhuukhoinw at gmail.com>
>>>> *Cc:* OpenStack Discuss <openstack-discuss at lists.openstack.org>
>>>> *Subject:* Re: [openstack][sharing][kolla ansible]Problems when 1 of 3
>>>> controller was be down
>>>>
>>>>
>>>> * CAUTION: This email originates from outside THG *
>>>> ------------------------------
>>>> Are you proposing a solution or just raising an issue?
>>>>
>>>> I did find it strange that kolla-ansible doesn't support HA queue by
>>>> default. That is a disaster because when one of the nodes goes down it will
>>>> make the whole rabbitMQ unacceptable. Whenever i deploy kolla i have to add
>>>> HA policy to make queue HA otherwise you will endup in problem.
>>>>
>>>> On Sat, Apr 8, 2023 at 6:40 AM Nguyễn Hữu Khôi <
>>>> nguyenhuukhoinw at gmail.com> wrote:
>>>>
>>>> Hello everyone.
>>>>
>>>> I want to summary for who meets problems with Openstack when deploy
>>>> cluster with 3 controller using Kolla Ansible
>>>>
>>>> Scenario: 1 of 3 controller is down
>>>>
>>>> 1. Login horizon and use API such as nova, cinder will be very slow
>>>>
>>>> fix by:
>>>>
>>>> nano:
>>>> kolla-ansible/ansible/roles/heat/templates/heat.conf.j2
>>>> kolla-ansible/ansible/roles/nova/templates/nova.conf.j2
>>>> kolla-ansible/ansible/roles/keystone/templates/keystone.conf.j2
>>>> kolla-ansible/ansible/roles/neutron/templates/neutron.conf.j2
>>>> kolla-ansible/ansible/roles/cinder/templates/cinder.conf.j2
>>>>
>>>> or which service need caches
>>>>
>>>> add as below
>>>>
>>>> [cache]
>>>> backend = oslo_cache.memcache_pool
>>>> enabled = True
>>>> memcache_servers = {{ kolla_internal_vip_address }}:{{ memcached_port }}
>>>> memcache_dead_retry = 0.25
>>>> memcache_socket_timeout = 900
>>>>
>>>> https://review.opendev.org/c/openstack/kolla-ansible/+/849487
>>>>
>>>> but it is not the end
>>>>
>>>> 2. Cannot launch instance or mapping block device(stuck at this step)
>>>>
>>>> nano kolla-ansible/ansible/roles/rabbitmq/templates/definitions.json.j2
>>>>
>>>> "policies":[
>>>>     {"vhost": "/", "name": "ha-all", "pattern":
>>>> "^(?!(amq\.)|(.*_fanout_)|(reply_)).*", "apply-to": "all", "definition":
>>>> {"ha-mode":"all"}, "priority":0}{% if project_name == 'outward_rabbitmq' %},
>>>>     {"vhost": "{{ murano_agent_rabbitmq_vhost }}", "name": "ha-all",
>>>> "pattern": ".*", "apply-to": "all", "definition": {"ha-mode":"all"},
>>>> "priority":0}
>>>>     {% endif %}
>>>>   ]
>>>>
>>>> nano /etc/kollla/global.conf
>>>>
>>>> [oslo_messaging_rabbit]
>>>> kombu_reconnect_delay=0.5
>>>>
>>>>
>>>> https://bugs.launchpad.net/oslo.messaging/+bug/1993149
>>>> https://docs.openstack.org/large-scale/journey/configure/rabbitmq.html
>>>>
>>>> I used Xena 13.4 and Yoga 14.8.1.
>>>>
>>>> Above bugs are critical, but I see that it was not fixed. I am just an
>>>> operator and I want to share what I encountered for new people who come to
>>>> Openstack
>>>>
>>>>
>>>> Nguyen Huu Khoi
>>>>
>>>> --
>> Michał Nasiadka
>> mnasiadka at gmail.com
>>
>
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