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.

I have some questions:

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## Question 1 ##

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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 .

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## Question 2 ##

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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 }}" ''' гм for example :

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)

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 !