Robert Levas created AMBARI-9102:
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Summary: Refactor rolling upgrades prerequisite checks to expose
and repackage utility classes
Key: AMBARI-9102
URL: https://issues.apache.org/jira/browse/AMBARI-9102
Project: Ambari
Issue Type: Bug
Components: ambari-server
Affects Versions: 2.0.0
Reporter: Robert Levas
Assignee: Robert Levas
Fix For: 2.0.0
The logic in the org.apache.ambari.server.state.UpgradeCheckHelper should be
exposed so that resources may use it.
The following steps will be taken:
* Move the static classes out of
{{org.apache.ambari.server.state.UpgradeCheckHelper}} and into a package named
{{org.apache.ambari.server.checks}}
* Rename {{UpgradeCheckDescriptor}} to {{AbstractCheckDescriptor}}
* Create {{org.apache.ambari.server.checks.CheckHelper}} and move
{{org.apache.ambari.server.state.UpgradeCheckHelper#performPreUpgradeChecks}}
into it
* Adjust
{{org.apache.ambari.server.controller.internal.PreUpgradeCheckResourceProvider}}
accordingly
* {{UpgradeCheckRequest}}, {{UpgradeCheck}} and other similar resources which
encapsulate check data will be generalized to {{PrereqCheckRequest}} ,
{{PrerequisiteCheck}} and so on
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