Open Stack

Hi,

Btw, why we have such option set to false ?
Michal Arbet
Openstack Engineer

Ultimum Technologies a.s.
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út 11. 4. 2023 v 14:48 odesílatel Michał Nasiadka <mnasiadka at gmail.com>
napsal:

> 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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