upgrade-heat-ha.md

Upgrade Heat

1. Stop Heat resources in Pacemaker:

    pcs resource disable heat-api-clone
    pcs resource disable heat-api-cfn-clone
    pcs resource disable heat-api-cloudwatch-clone
    pcs resource disable heat
   

2. Wait until the output of pcs status shows that the above services have stopped running.

3. Upgrade the relevant packages:

    yum upgrade 'openstack-heat*' 'python-heat*'
   

4. Reload systemd to account for updated unit files:

    systemctl daemon-reload
   

5. Update the Heat database schema

6. Restart Heat resources in Pacemaker:

    pcs resource enable heat
    pcs resource enable heat-api-cloudwatch-clone
    pcs resource enable heat-api-cfn-clone
    pcs resource enable heat-api-clone
   

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