[jira] [Created] (AMBARI-21625) Failed to update custom repos defined via service extension after such a service is installed to cluster

["Di Li (JIRA)" <ji...@apache.org>]

Di Li created AMBARI-21625:
------------------------------

             Summary: Failed to update custom repos defined via service extension after such a service is installed to cluster
                 Key: AMBARI-21625
                 URL: https://issues.apache.org/jira/browse/AMBARI-21625
             Project: Ambari
          Issue Type: Bug
          Components: ambari-server
    Affects Versions: 2.5.2
            Reporter: Di Li
             Fix For: 2.5.2


This should be a general issue that can be reproduced by having a service as an extension. add it to an HDP 2.6.2/Ambari 2.5.2 cluster, then try to update repos for the HDP 2.6.2 stack.

Our QA hit on BigSQL, but it doesn't have to be BigSQL to reproduce.

Our QA hit the following error on HDP/HDP upgrade ( will most likely to hit it also on the migration):

*Case* HDP 2.4/BigSQL 4.2.5 upgrade to HDP 2.5.1/BigSQL 5.0.1
*Error* Updating BigSQL URL via UI and via REST API throws errors, after adding BigSQL back to the cluster  post HDP 2.5.1 EU.
```Via UI: The validation will fail with ambari server side error: 
An internal syste
m exception occurred: Stack data, stackName=HDP, stackVersion= 2.5, osType=redhat7,
 repoId= IBM-Big_SQL

Via REST API: 
{
  "status" : 404,
  "message" : "org.apache.ambari.server.controller.spi.NoSuchResourceException: The specified resource doesn't exist: Stack data, stackName=HDP, stackVersion= 2.5, osType=redhat7, repoId= IBM-Big_SQL"
}```

*Investigation*: Ambari server failed to reads BigSQL's repoinfo.xml  (defined as part of the extension /var/lib/ambari-server/resources/extensions/IBM-Big_SQL/5.0.1.0/services/BIGSQL/repos/repoinfo.xml ) for the repo id. It only reads repo ids defined in /var/lib/ambari-server/resources/stacks/HDP/2.6/repos/repoinfo.xml



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