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1. Stop all octavia-services by adding the following keys to hiera, and then make sure to run puppet on the octavia hosts:

   1. octavia::housekeeping::enabled: false

   2. octavia::health_manager::enabled: false

   3. octavia::api::enabled: false

   4. octavia::worker::enabled: false

2. Do one of:

   1. Reinstall the node with yoga modules/tags

   2. Run puppet with the yoga modules/tags, Run apt-get dist-upgrade && apt-get autoremove, Run puppet

3. Run octavia-db-manage upgrade head


4. Re-start octavia services by removing the keys added in step 1 and re-run puppet.

5. Build a yoga-based octavia-image and upload to glance. Tag it and make octavia start to replace the amphora.

Horizon

1. Run puppet with the yoga modules/tags
2. run dnf upgrade --allowerasing

3. Yes this is weird: Login to all memcached servers, and run systemctl restart memcached
4. Run puppet again
5. restart httpd

Compute-nodes

When all APIs etc. are upgraded, it is time to do the same on the compute-nodes. Compute nodes are simple to upgrade:

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