oradb_manage_db: Added support for aliasnames for Oracle Wallet

Example:
oracle_tnsnames_config:
  orclpdb:
    alias:
      - orclpdb_dbsnmp
      - orclpdb_checkmk
    connect:
      ...

tnsnames.ora:

ORCLPDB, ORCLPDB_DBSNMP, ORCLPDB_CHECKMK =
 (DESCRIPTION =

Author: Rendanic

changelogs/fragments/tnsnames_alias.yml

@@ -0,0 +1,3 @@
+---
+minor_changes:
+  - "oradb_manage_db: Added support for aliasnames for Oracle Wallet ()"

extensions/molecule/shared_config/inventory/group_vars/all/oracle_db.yml

@@ -146,6 +146,8 @@ oracle_pdbs:
 
 _tnsnames_config_pdb_helper:
   - key: "{{ oracle_pdbs[0]['pdb_name'] }}"
+    alias:
+      - "{{ oracle_pdbs[0]['pdb_name'] }}_SYSTEM"
     value:
       connect:
         service_name: "{{ oracle_pdbs[0]['pdb_name'] }}"

roles/oradb_manage_db/templates/tnsnames.ora.j2

@@ -16,7 +16,11 @@ SALES=
 
 # do not edit the configuration manually.
 # The execution of ansible-oracle automatically replace all manual changes!
-{{ tnsinst.tnsname | upper }} =
+{% if oracle_tnsnames_config[tnsinst.tnsname]['alias'] is defined -%}
+{{ tnsinst.tnsname | upper }}, {{ oracle_tnsnames_config[tnsinst.tnsname]['alias'] | join(', ') | upper }}
+{%- else %}
+{{ tnsinst.tnsname | upper }}
+{%- endif %} =
  (DESCRIPTION =
    (FAILOVER={{ oracle_tnsnames_config[tnsinst.tnsname]['failover'] | default('yes')}})
    (CONNECT_TIMEOUT={{ oracle_tnsnames_config[tnsinst.tnsname]['connect_timeout'] | default('5')}})