Internal Server Error (HTTP 500) when doing overcloud command (prepare/deploy/run/etc)

Solution Verified - Updated -


During a fast forward upgrade step [1], the command would fail early with:

(undercloud) [stack@director ~]$ openstack overcloud ffwd-upgrade prepare --stack overcloud --templates ...
Warning! The TripleO Fast Forward Upgrade workflow is a critical operation against the deployed environment.
Once and if you decide to use ffwd-upgrade in production, ensure you are adequately prepared with valid backup of your current deployment state.

Proceed with the fast forward upgrade? Type 'yes' to continue and anything else to cancel.
Consider using the --yes parameter if you wish to skip this warning in future. yes
Started Mistral Workflow tripleo.deployment.v1.deploy_on_servers. Execution ID: 4752a4ec-1693-4ef5-a977-3d21b43f68cd
Waiting for messages on queue 'tripleo' with no timeout.
Started Mistral Workflow tripleo.validations.v1.check_pre_deployment_validations. Execution ID: 626242f9-b27a-4dc0-8728-9b98a892c30e
Waiting for messages on queue 'tripleo' with no timeout.
Removing the current plan files
Uploading new plan files
Started Mistral Workflow tripleo.plan_management.v1.update_deployment_plan. Execution ID: 0e8308c4-183b-48b3-9dd7-af9cb203d701
Plan updated.
Processing templates in the directory /tmp/tripleoclient-l2KjLE/tripleo-heat-templates
Internal Server Error (HTTP 500)



  • Red Hat OpenStack Platform 10
  • Newer versions can be affected.

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