├── roles
    └── createdb
    │   ├── handlers
    │       └── main.yml
    │   └── tasks
    │       └── main.yml
├── vars
    └── main.yml
├── README.md
└── ansible_playbook.yml


/roles/createdb/handlers/main.yml:
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1 | ---
2 | 
3 | - name: restart postgresql
4 |   service: name=postgresql state=restarted
5 | 
6 | 


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/vars/main.yml:
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1 | ---
2 | db_user: dbusername
3 | db_name: dbname
4 | db_password: dbpassword
5 | 
6 | update_apt_cache: true
7 | 


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/README.md:
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1 | Sample playbook, to provision a server with PostgreSQL.
2 | 
3 | [The detailed explanation can be found here](http://blog.apcelent.com/using-ansible-to-setup-postgresql.html)
4 | 


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/ansible_playbook.yml:
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 1 | - name: Create a PostgreSQL DB server
 2 |   hosts: dbserver
 3 |   sudo: yes
 4 |   sudo_user: root
 5 |   remote_user: ubuntu
 6 |   vars_files:
 7 |     - vars/main.yml
 8 | 
 9 |   roles:
10 |   - createdb
11 | 
12 | 


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/roles/createdb/tasks/main.yml:
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 1 | ---
 2 | 
 3 | - name: Ensure bash, OpenSSl, and libssl are the latest versions
 4 |   apt: name={{ item }} update_cache={{ update_apt_cache }} state=latest
 5 |   with_items:
 6 |     - bash
 7 |     - openssl
 8 |     - libssl-dev
 9 |     - libssl-doc
10 |   tags: packages
11 | 
12 | - name: Install PostgreSQL
13 |   apt: name={{ item }} update_cache={{ update_apt_cache }} state=installed
14 |   with_items:
15 |     - postgresql
16 |     - postgresql-contrib
17 |     - libpq-dev
18 |     - python-psycopg2
19 |   tags: packages
20 | 
21 | - name: Ensure the PostgreSQL service is running
22 |   service: name=postgresql state=started enabled=yes
23 | 
24 | - name: Ensure database is created
25 |   sudo_user: postgres
26 |   postgresql_db: name={{ db_name }}
27 |                  encoding='UTF-8'
28 |                  lc_collate='en_US.UTF-8'
29 |                  lc_ctype='en_US.UTF-8'
30 |                  template='template0'
31 |                  state=present
32 | 
33 | - name: Ensure user has access to the database
34 |   sudo_user: postgres
35 |   postgresql_user: db={{ db_name }}
36 |                    name={{ db_user }}
37 |                    password={{ db_password }}
38 |                    priv=ALL
39 |                    state=present
40 | 
41 | - name: Ensure user does not have unnecessary privileges
42 |   sudo_user: postgres
43 |   postgresql_user: name={{ db_user }}
44 |                    role_attr_flags=NOSUPERUSER,NOCREATEDB
45 |                    state=present
46 | 
47 | 


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