Open Stack

I just summarized what I did after googling. and hope we will fix some
patches.

Especially

[oslo_messaging_rabbit]
kombu_reconnect_delay=0.5

Nguyen Huu Khoi


On Sun, Apr 9, 2023 at 10:16 AM Satish Patel <satish.txt at gmail.com> wrote:

> 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
>>
>
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