Endpoint difference in two different operator version.

[PGPAWAN]

Why there is different In endpoint even though both are standby leader in two different cluster?

CLUSTER 1 (Operator v1.7.1)

(⎈ |postgres-cluster-v1)| ~ % kubectl get pods  -l application=spilo -L spilo-role  -n pg-teststage

NAME                   READY   STATUS    RESTARTS   AGE   SPILO-ROLE
pg-teststage-0   2/2     Running   0          9d    master
(⎈ |postgres-cluster-v1)| ~ %
(⎈ |postgres-cluster-v1)| ~ %
(⎈ |postgres-cluster-v1)| ~ % k exec -it pg-teststage-0 -n  pg-teststage /bin/bash
kubectl exec [POD] [COMMAND] is DEPRECATED and will be removed in a future version. Use kubectl exec [POD] -- [COMMAND] instead.
Defaulted container "postgres" out of: postgres, postgres-exporter
postgres@pg-teststage-0:~$
postgres@pg-teststage-0:~$ curl -s http://localhost:8008/cluster | jq .
{
  "members": [
    {
      "name": "pg-teststage-0",
      "role": "standby_leader",
      "state": "running",
      "api_url": "http://10.24.25.66:8008/patroni",
      "host": "10.24.25.66",
      "port": 5432,
      "timeline": 25
    }
  ]
}
postgres@pg-teststage-0:~$ exit
exit
(⎈ |postgres-cluster-v1)| ~ %
(⎈ |postgres-cluster-v1)| ~ %
(⎈ |postgres-cluster-v1)| ~ % k get ep pg-teststage
Error from server (NotFound): endpoints "pg-teststage" not found
(⎈ |postgres-cluster-v1)| ~ % k get ep -n pg-teststage
NAME                        ENDPOINTS          AGE
pg-teststage          10.24.25.66:5432   330d
pg-teststage-config   <none>             330d
pg-teststage-repl     <none>             330d
(⎈ |postgres-cluster-v1)| ~ %
(⎈ |postgres-cluster-v1)| ~ % k describe ep pg-teststage -n pg-teststage
Name:         pg-teststage
Namespace:    pg-teststage
Labels:       application=spilo
              cluster-name=pg-teststage
              spilo-role=master
              team=pg
Annotations:  acquireTime: 2023-08-14T06:04:50.138202+00:00
              leader: pg-teststage-0
              optime: 2753778679808
              renewTime: 2023-08-23T07:04:10.599223+00:00
              transitions: 8
              ttl: 30
Subsets:
  Addresses:          10.24.25.66
  NotReadyAddresses:  <none>
  Ports:
    Name        Port  Protocol
    ----        ----  --------
    postgresql  5432  TCP

Events:  <none>
(⎈ |postgres-cluster-v1)| ~ %

CLUSTER 2 (Operator v1.9.0)

(⎈ |stg-postgres-cluster-v2)| ~ % kubectl get pods  -l application=spilo -L spilo-role  -n pg-pgteststage2
NAME                READY   STATUS    RESTARTS   AGE   SPILO-ROLE
pg-pgteststage2-0   2/2     Running   0          8d    standby_leader
(⎈ |stg-postgres-cluster-v2)| ~ %
(⎈ |stg-postgres-cluster-v2)| ~ % k exec -it pg-pgteststage2-0 -n pg-pgteststage2 /bin/bash
kubectl exec [POD] [COMMAND] is DEPRECATED and will be removed in a future version. Use kubectl exec [POD] -- [COMMAND] instead.
Defaulted container "postgres" out of: postgres, postgres-exporter
postgres@pg-pgteststage2-0:~$
postgres@pg-pgteststage2-0:~$ curl -s http://localhost:8008/cluster | jq
{
  "members": [
    {
      "name": "pg-pgteststage2-0",
      "role": "standby_leader",
      "state": "running",
      "api_url": "http://10.22.82.85:8008/patroni",
      "host": "10.22.82.85",
      "port": 5432,
      "timeline": 4
    }
  ]
}
postgres@pg-pgteststage2-0:~$ exit
exit
(⎈ |stg-postgres-cluster-v2)| ~ % kg ep -n pg-pgteststage2
NAME                   ENDPOINTS   AGE
pg-pgteststage2        <none>      8d
pg-pgteststage2-repl   <none>      8d
(⎈ |stg-postgres-cluster-v2)| ~ %
(⎈ |stg-postgres-cluster-v2)| ~ %
(⎈ |stg-postgres-cluster-v2)| ~ %
(⎈ |stg-postgres-cluster-v2)| ~ %
(⎈ |stg-postgres-cluster-v2)| ~ %
(⎈ |stg-postgres-cluster-v2)| ~ % k describe ep pg-pgteststage2 -n pg-pgteststage2
Name:         pg-pgteststage2
Namespace:    pg-pgteststage2
Labels:       application=spilo
              cluster-name=pg-pgteststage2
              spilo-role=standby_leader
              team=pg
Annotations:  <none>
Subsets:
Events:  <none>
(⎈ |stg-postgres-cluster-v2)| ~ %