[AMBARI-21397] Remove previous upgrades to allow schema change - ASF JIRA

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Details

Type: Task
Status: Resolved
Priority: Blocker
Resolution: Fixed
Affects Version/s: 2.5.2
Fix Version/s: 2.5.2
Component/s: ambari-server
Labels:
None

Epic Link:
Cross Stack Name Upgrades

Description

~~AMBARI-21358~~ introduced schema change to allow tracking upgrade between repository versions instead of free text "version" descriptors. Ambari Server upgrade currently fails because of this schema change if there are any previous upgrades. It's not worth trying to fix the data, and the repositories required for the foreign keys may not even be there anymore. So we should remove upgrade, all child data (upgrade_group, upgrade_item, servicecomponent_history), and the reference from clusters.