Placement services on Controller Node

Create the database and grant privileges

CREATE DATABASE placement;

GRANT ALL PRIVILEGES ON placement.* TO 'placement'@'localhost' IDENTIFIED BY 'commonpass';

GRANT ALL PRIVILEGES ON placement.* TO 'placement'@'%' IDENTIFIED BY 'commonpass';

FLUSH PRIVILEGES;
exit

Create a placement service user

. admin-openrc
openstack user create --domain default --password-prompt placement

Add the Placement user to the service project with the admin role

openstack role add --project service --user placement admin

Create the Placement API entry in the service catalog

openstack service create --name placement --description "Placement API" placement

Create the Placement API service endpoints

openstack endpoint create --region RegionOne placement public http://controller:8778

openstack endpoint create --region RegionOne placement internal http://controller:8778

openstack endpoint create --region RegionOne placement admin http://controller:8778

Install the packages

apt install -y placement-api

Edit the /etc/placement/placement.conf

In the [placement_database] section, configure database access

[placement_database]
connection = mysql+pymysql://placement:commonpass@controller/placement

In the [api] and [keystone_authtoken] sections, configure Identity service access

[api]
auth_strategy = keystone

[keystone_authtoken]
auth_url = http://controller:5000/v3
memcached_servers = controller:11211
auth_type = password
project_domain_name = Default
user_domain_name = Default
project_name = service
username = placement
password = commonpass

Populate the placement database and restart services

su -s /bin/sh -c "placement-manage db sync" placement 
service apache2 restart