[bitnami/postgresql-pgpool] encrypt health check passwords inside pgp…

[yukha-dw]

Description of the change

Fix password leak sr_check_password and health_check_password on pgpool.conf (by default has 644 permission) using pg_enc and pg_md5.

Benefits

Hides sr_check_password & health_check_password

Possible drawbacks

No drawback

Applicable issues

Additional information

[dgomezleon]

Could you please test it using the docker-compose.yaml included in bitnami/pgpool? I executed a quick test building the image with these changes, a using it with the docker-compose. It kept showing these logs:

...
pgpool-1  | 2024-10-31 08:35:56.880: main pid 1: LOG:  find_primary_node: make_persistent_db_connection_noerror failed on node 0
pgpool-1  | 2024-10-31 08:35:56.882: main pid 1: LOG:  find_primary_node: make_persistent_db_connection_noerror failed on node 1
pgpool-1  | 2024-10-31 08:35:57.890: main pid 1: LOG:  find_primary_node: make_persistent_db_connection_noerror failed on node 0
pgpool-1  | 2024-10-31 08:35:57.892: main pid 1: LOG:  find_primary_node: make_persistent_db_connection_noerror failed on node 1
...

Also, values for sr_check_password and health_check_password were empty in pgpool.conf

[yukha-dw]

@dgomezleon My bad, I've mistakenly put debug_execute. It was working fine because I used BITNAMI_DEBUG=true when test it

[dgomezleon]

LGTM. Thanks!