Initialize the database, start the service.

.travis.yml

@@ -43,7 +43,7 @@ script:
     || (echo 'Idempotence test: fail' && exit 1)
 
   # Check PostgreSQL status.
-  - 'docker exec -u postgres "$(cat ${container_id})" pg_ctl status'
+  - 'docker exec -u postgres "$(cat ${container_id})" pg_ctl -D /var/lib/pgsql/data status'
 
 notifications:
   webhooks: https://galaxy.ansible.com/api/v1/notifications/

README.md

@@ -19,6 +19,11 @@ Available variables are listed below, along with default values (see `defaults/m
 
     postgresql_enablerepo: ""
 
+TODO.
+
+    postgresql_user: postgres
+    postgresql_group: postgres
+
 TODO.
 
     postgresql_databases:

defaults/main.yml

@@ -2,6 +2,11 @@
 # RHEL/CentOS only. Set a repository to use for PostgreSQL installation.
 postgresql_enablerepo: ""
 
+postgresql_data_dir: /var/lib/pgsql/data
+
+postgresql_user: postgres
+postgresql_group: postgres
+
 # Databases to ensure exist.
 postgresql_databases: []
   # - name: example

tasks/configure.yml

@@ -1,2 +0,0 @@
----
-# TODO

tasks/initialize.yml

@@ -0,0 +1,19 @@
+---
+- name: Ensure PostgreSQL data directory exists.
+  file:
+    path: "{{ postgresql_data_dir }}"
+    owner: "{{ postgresql_user }}"
+    group: "{{ postgresql_group }}"
+    state: directory
+    mode: 0700
+
+- name: Check if PostgreSQL database is initialized.
+  stat:
+    path: "{{ postgresql_data_dir }}/PG_VERSION"
+  register: pgdata_dir_version
+
+- name: Ensure PostgreSQL database is initialized.
+  command: "initdb -D {{ postgresql_data_dir }}"
+  when: pgdata_dir_version.stat.exists
+  become: yes
+  become_user: "{{ postgresql_user }}"

tasks/main.yml

@@ -9,8 +9,13 @@
 - include: setup-Debian.yml
   when: ansible_os_family == 'Debian'
 
+- name: Ensure PostgreSQL is started and enabled on boot.
+  service:
+    name: "{{ postgresql_daemon }}"
+    state: started
+    enabled: yes
+
 # Configure PostgreSQL.
-- include: configure.yml
-- include: secure-installation.yml
+- include: initialize.yml
 - include: databases.yml
 - include: users.yml

tasks/secure-installation.yml

@@ -1,2 +0,0 @@
----
-# TODO.