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When controllers etc. are upgraded, it is time to do the same on the comute-nodes. Compute nodes are simple to upgrade:
- Stop nova-compute (systemctl stop nova-compute)
- The queens r10k env will update the home directory of the nova user. This can not be done while nova-compute is running
- Run puppet with the pike modules/tags
- Perform a dist-upgrade
- Run puppet again
- Restart openstack services