Andrii Babiichuk created AMBARI-11928:
-----------------------------------------
Summary: RU: UI does not specify from_version when downgrading
Key: AMBARI-11928
URL: https://issues.apache.org/jira/browse/AMBARI-11928
Project: Ambari
Issue Type: Bug
Components: ambari-web
Affects Versions: 2.1.0.
Reporter: Andrii Babiichuk
Assignee: Andrii Babiichuk
Priority: Critical
Fix For: 2.1.0.
When the upgrade is cross-stack (HDP-2.2 -> HDP-2.3), the wrong upgrade pack is
used to create tasks.
When the user is presented an option to Downgrade, the following request is
sent to the server:
{noformat}
POST /api/v1/clusters/c1/upgrades
{
"RequestInfo": {
"downgrade": "true"
},
"Upgrade": {
"repository_version":"2.2.6.0-2772"
}
}
{noformat}
This request makes the backend choose the HDP-2.2/upgrade-2.2 upgrade pack.
This is ok if the source and target versions were both 2.2, but when going from
2.2 to 2.3, we should be picking the upgrade-2.3 Upgrade Pack. The request in
this case should be:
{noformat}
POST /api/v1/clusters/c1/upgrades
{
"RequestInfo": {
"downgrade": "true"
},
"Upgrade": {
"from_version": "2.3.0.0-2220",
"repository_version":"2.2.6.0-2772"
}
}
{noformat}
The code to handle from_version is already implemented so no changes needed on
the BE.
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