Open Stack

On Tue, 1 Sep 2020 at 15:48, sosogh <sosogh at 126.com> wrote:

> Hi list:
>
> I want to use kolla-ansible to deploy openstack , but using external
> mysql.
> I am following these docs:
>
> https://docs.openstack.org/kolla-ansible/latest/user/quickstart.html
>
>
> https://docs.openstack.org/kolla-ansible/latest/reference/databases/external-mariadb-guide.html
> .
>

Hi, could you start by telling us which version or branch of Kolla Ansible
you are using?

>
> I have some questions:
>
> ################
> ##  Question 1 ##
> ################
>
>  According to the offical doc , if setting it  in inventory
> file(multinode),
>
>
> kolla-ansible -i ./multinode deploy will throw out error:
>
>
> I guest when kolla-ansible running the playbook against
> myexternalmariadbloadbalancer.com ,
>
> the """register: find_custom_fluentd_inputs""" in """TASK [common : Find
> custom fluentd input config files]"""  maybe null .
>

I think this could be an issue with a recent change to the common role,
where the condition for the 'Find custom fluentd input config files' task
changed slightly. I have proposed a potential fix for this, could you try
it out and report back? https://review.opendev.org/749463

>
> ################
> ##  Question 2 ##
> ################
>
>  According to the offical doc , If the MariaDB username is not root, set
> database_username in /etc/kolla/globals.yml file:
>
>
> But in kolla-ansible/ansible/roles/xxxxxx/tasks/bootstrap.yml  , they use
> ''' login_user: "{{ database_user }}"  ''' ， for example :
>
> You are correct, this is an issue in the documentation. I have proposed a
fix here: https://review.opendev.org/749464


> So at last  , I took the following steps:
> 1. """not""" setting [mariadb] in inventory file(multinode)
> 2. set "database_user: openstack" for  "privillegeduser"
>
> PS:
> My idea is that if using an external ready-to-use mysql (cluster),
> it is enough to tell kolla-ansible only the address/user/password of the
> external DB.
> i.e. setting them in the file /etc/kolla/globals.yml and passwords.yml ,
> no need to add it into inventory file(multinode)
>

I agree, I did not expect to need to change the inventory for this use case.

>
> Finally , it is successful to  deploy openstack via kolla-ansible .
> So far I have not found any problems.
>  Are the steps what I took  good ( enough ) ?
> Thank you !
>
>
>
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