HIVE-29676: Add support for Multi Tenancy in Kubernetes Operator

[ayushtkn]

What changes were proposed in this pull request?

Add support for Multi Tenancy in the Hive Kubernetes operator. So, Multiple users can have there isolated set of LLAP Daemons & TezAMs, Which AutoScales independently

Why are the changes needed?

Better user experiance

Does this PR introduce any user-facing change?

Nopes

How was this patch tested?

Manually

No LLAP, No Load

LLAP-1 trigers load -> LLAP: 1 only scaled up LLAP0 & LLAP3 stays at 0 replica

Load on LLAP-2 now as well -> LLAP-1 up LLAP-2 starting LLAP-0 still down (no load)

Load on LLAP-1 withdrawn -> Independently scales down

Connecting LLAP1

kubectl exec -it deployment/hive-hiveserver2 -- beeline -u "jdbc:hive2://hive-hiveserver2:10001/;transportMode=http;httpPath=cliservice?hive.server2.tez.external.sessions.namespace=/tez-external-sessions/llap1;tez.am.registry.namespace=/llap1"

Connecting LLAP2

kubectl exec -it deployment/hive-hiveserver2 -- beeline -u "jdbc:hive2://hive-hiveserver2:10001/;transportMode=http;httpPath=cliservice?hive.server2.tez.external.sessions.namespace=/tez-external-sessions/llap2;tez.am.registry.namespace=/llap2"

[sonarqubecloud]

Quality Gate passed

Issues
14 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
2.2% Duplication on New Code

See analysis details on SonarQube Cloud