add extra user list and db creation task

defaults/main.yml

@@ -5,7 +5,7 @@ postgres_repository_filename: "Postgresql-{{ postgres_version | regex_replace('\
 postgres_user: postgres
 postgres_group: postgres
 
-# @var postgres_base_dir: $ "_os-default_"
+# @var postgres_base_dir: $ "_osdefault_"
 
 postgres_log_destination:
   - stderr
@@ -47,6 +47,27 @@ postgres_users: []
 #     pam_user: # defaults to not set
 # @end
 
+postgres_users_extra: []
+
+postgres_db: []
+# @var postgres_db:example: >
+# postgres_db:
+#   - name: "my_app"
+#     lc_collate: "en_US.UTF-8"
+#     lc_ctype: "en_US.UTF-8"
+#     encoding: "UTF-8"
+#     template: "template0"
+#     login_host: "localhost"
+#     login_password: "_omit_"
+#     login_user: "{{ postgresql_user }}"
+#     login_unix_socket: "_omit_"
+#     port: "_omit_"
+#     owner: "_omit_"
+#     state: "present"
+# @end
+
+postgres_db_extra: []
+
 postgres_hba_entries:
   - contype: local
     databases:

tasks/post_tasks.yml

@@ -2,6 +2,25 @@
 - name: Force all notified handlers to activate pg_hba.conf
   meta: flush_handlers
 
+- name: Ensure postgres databases exist
+  postgresql_db:
+    name: "{{ item.name }}"
+    lc_collate: "{{ item.lc_collate | default('en_US.UTF-8') }}"
+    lc_ctype: "{{ item.lc_ctype | default('en_US.UTF-8') }}"
+    encoding: "{{ item.encoding | default('UTF-8') }}"
+    template: "{{ item.template | default('template0') }}"
+    login_host: "{{ item.login_host | default('localhost') }}"
+    login_password: "{{ item.login_password | default(omit) }}"
+    login_user: "{{ item.login_user | default(postgresql_user) }}"
+    login_unix_socket: "{{ item.login_unix_socket | default(omit) }}"
+    port: "{{ item.port | default(omit) }}"
+    owner: "{{ item.owner | default(omit) }}"
+    state: "{{ item.state | default('present') }}"
+  no_log: True
+  loop: "{{ postgres_db + postgres_db_extra }}"
+  become: True
+  become_user: "{{ postgres_user }}"
+
 - name: Ensure PostgreSQL users are present
   postgresql_user:
     name: "{{ item.name }}"
@@ -17,7 +36,7 @@
     port: "{{ item.port | default(omit) }}"
     state: "{{ item.state | default('present') }}"
   no_log: True
-  loop: "{{ postgres_users }}"
+  loop: "{{ postgres_users + postgres_users_extra }}"
   become: True
   become_user: "{{ postgres_user }}"