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.