tripleo-heat-templates/releasenotes/notes/external-update-upgrade-2d7...

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YAML

---
upgrade:
- |
Composable service templates can now define external_update_tasks
and external_upgrade_tasks. They are meant for update/upgrade
logic of services deployed via external_deploy_tasks. The external
update playbook first executes external_update_tasks and then
external_deploy_tasks, the procedure for upgrades works
analogously. All happens within a single playbook, so variables or
fact overrides exported from the update/upgrade tasks will be
available to the deploy tasks during the update/upgrade procedure.