upgrade-keystone-ha.md

Upgrade Keystone

1. Remove Keystone from Pacemaker's control:

    pcs resource unmanage keystone-clone
   

2. Stop the keystone service by running the following on each of your controllers:

    systemctl stop openstack-keystone
   

3. Upgrade the relevant packages:

    yum upgrade 'openstack-keystone*' 'python-keystone*'
   

4. Reload systemd to account for updated unit files:

    systemctl daemon-reload
   

5. Correct the Keystone configuration

6. Update the Keystone database schema

7. Restart the service by running the following on each of your controllers:

    systemctl start openstack-keystone
   

8. Return the resource to Pacemaker control:

    pcs resource manage keystone-clone
   

9. Wait until the output of pcs status shows that the above resources are running.