added support to create users and dbs

defaults/main.yml

@@ -1,2 +1,4 @@
 postgresql:
-  allowed_hosts: []
+  allowed_hosts: {}
+  dbs: {}
+  users: {}

tasks/main.yml

@@ -1,6 +1,11 @@
 - name: install postgres
   apt:
-    pkg: postgresql
+    pkg: "{{ item }}"
+    state: latest
+    update_cache: yes
+  with_items:
+    - postgresql
+    - python-psycopg2
 
 - name: generate pg_hba
   template:
@@ -11,3 +16,18 @@
     mode: 0640
   notify:
     - restart postgres
+
+- name: add postgresql dbs
+  postgresql_db:
+    name: "{{ item.key }}"
+  become_user: postgres
+  become: true
+  with_dict: "{{ postgresql.dbs }}"
+
+- name: add postgresql user(s)
+  postgresql_user:
+    name: "{{ item.key }}"
+    password: "{{ item.value }}"
+  become_user: postgres
+  become: true
+  with_dict: "{{ postgresql.users }}"

templates/pg_hba.conf.j2

@@ -1,7 +1,12 @@
-{% for item in postgresql.allowed_hosts %}
+{% for group in postgresql.allowed_hosts %}
+# {{ group }}
+{% for item in postgresql.allowed_hosts[group] %}
 {{ item.type | default('host') }}	{{ item.database | default('all') }}	{{ item.user | default('all') }}	{{ item.auth | default('md5') }}
 {% endfor %}
 
+
+{% endfor %}
+
 local	all	postgres	peer
 local	all	all		peer
 host	all	all		127.0.0.1/32	md5