New role: oradb-manage-redo. Manage redolog sizes/groups. Uses oracle_redo module from https://github.com/oravirt/ansible-oracle-modules

2 new variables:
- redolog_size: 100M (M/G/T)
- redolog_groups: 3

e.g
oracle_databases:
      - home: db1
        oracle_version_db: 12.2.0.1
        oracle_edition: EE
        oracle_db_name: orclcdb
        oracle_db_type: RAC
        redolog_size: 5G
        redolog_groups: 6

Author: oravirt

roles/oradb-manage-redo/defaults/main.yml

@@ -0,0 +1,19 @@
+configure_cluster: false
+oracle_base: /u01/app/oracle
+oracle_home_db: "{% if dbh is defined %}{% if dbh.oracle_home is defined %}{{ dbh.oracle_home }}{% else %}{{ oracle_base}}/{{ dbh.oracle_version_db }}/{{ dbh.home }}{% endif %}{% elif item.0 is defined %}{% if item.0.oracle_home is defined %}{{ item.0.oracle_home}}{% else %}{{ oracle_base }}/{{ item.0.oracle_version_db }}/{{ item.0.home }}{% endif %}{% elif item is defined %}{% if item.oracle_home is defined %}{{ item.oracle_home}}{% else %}{{ oracle_base }}/{{ item.oracle_version_db }}/{{ item.home }}{% endif %}{% endif %}"
+db_user: system
+db_mode: normal
+#db_password_cdb: "{% if dbpasswords is defined and dbpasswords[item.cdb] is defined and dbpasswords[item.cdb][db_user] is defined%}{{dbpasswords[item.cdb][db_user]}}{% else %}{{ default_dbpass}}{% endif%}"
+db_password_cdb: "{% if dbpasswords is defined and dbpasswords[item.oracle_db_name] is defined and dbpasswords[item.oracle_db_name][db_user] is defined%}{{dbpasswords[item.oracle_db_name][db_user]}}{% else %}{{ default_dbpass}}{% endif%}"
+
+# pdbadmin_user: pdbadmin
+# pdbadmin_password: "{% if dbpasswords is defined and dbpasswords[item.cdb] is defined and dbpasswords[item.cdb][item.pdb_name] is defined and dbpasswords[item[1].cdb][item[1].pdb_name][pdbadmin_user] is defined%}{{dbpasswords[item[1].cdb][item[1].pdb_name][pdbadmin_user]}}{% else %}{{ default_dbpass}}{% endif%}"
+
+oracle_env:
+       ORACLE_HOME: "{{ oracle_home_db }}"
+       LD_LIBRARY_PATH: "{{ oracle_home_db }}/lib"
+
+# oracle_pdbs:
+#   - pdb_name: orclpdb
+#     cdb: orclcdb
+#     state: present

roles/oradb-manage-redo/tasks/main.yml

@@ -0,0 +1,17 @@
+- name: Manage redologs
+  oracle_redo:
+        hostname={{ ansible_hostname }}
+        service_name={{ item.oracle_db_name }}
+        user={{ db_user }}
+        password={{ db_password_cdb }}
+        mode={{ db_mode }}
+        size={{ item.redolog_size }}
+        groups={{ item.redolog_groups }}
+  environment: "{{oracle_env}}"
+  run_once: "{{ configure_cluster}}"
+  with_items:
+      - "{{oracle_databases}}"
+  when: oracle_databases is defined and item.redolog_size is defined and item.redolog_groups is defined
+  become_user: "{{ oracle_user }}"
+  register: param_change
+  tags: initparams