Add role to spin up a basic external postgresql database

playbooks/postgresql_server.yml

@@ -0,0 +1,9 @@
+---
+- hosts: all
+  gather_facts: true
+  become: true
+  roles:
+    - role: update_os_packages
+    - role: postgresql_scl
+      when: ansible_distribution_major_version == '7'
+    - role: external_database

roles/external_database/tasks/main.yml

@@ -0,0 +1,91 @@
+---
+- name: "Load OS variables"
+  include_vars: "{{ ansible_os_family }}-{{ ansible_distribution_major_version }}.yml"
+
+- name: 'Install PostgreSQL packages'
+  package:
+    name: "{{ external_database_packages }}"
+    state: installed
+
+- name: 'Init PostgreSQL database'
+  command: postgresql-setup initdb
+  args:
+    creates: "{{ external_database_postgresql_conf_path }}"
+
+- name: 'Deploy pg_hba.conf'
+  copy:
+    dest: "{{ external_database_pg_hba_conf_path }}"
+    content: |
+      # TYPE  DATABASE        USER            ADDRESS                 METHOD
+
+      # "local" is for Unix domain socket connections only
+      local   all             all                                     ident
+
+      # IPv4 local connections:
+      host    all             all             127.0.0.1/32            md5
+
+      # IPv4 remote connections:
+      host    all             all             0.0.0.0/0               md5
+
+      # IPv6 local connections:
+      host    all             all             ::1/128                 md5
+    force: yes
+    mode: 0600
+    owner: postgres
+    group: postgres
+
+- name: Set listen addresses to *
+  lineinfile:
+    dest: "{{ external_database_postgresql_conf_path }}"
+    regexp: "^listen_addresses"
+    line: "listen_addresses = '*'"
+    state: present
+    backup: yes
+
+- name: 'Ensure PostgreSQL is running'
+  service:
+    name: postgresql
+    state: restarted
+    enabled: yes
+
+- name: 'Add database user'
+  become_user: postgres
+  postgresql_user:
+    state: present
+    name: "foreman"
+    password: "foreman"
+
+- name: 'Create Foreman database'
+  become_user: postgres
+  postgresql_db:
+    state: present
+    name: "foreman"
+    owner: "foreman"
+
+- name: 'Add candlepin database user'
+  become_user: postgres
+  postgresql_user:
+    state: present
+    name: "candlepin"
+    password: "candlepin"
+
+- name: 'Create Candlepin database'
+  become_user: postgres
+  postgresql_db:
+    state: present
+    name: "candlepin"
+    owner: "candlepin"
+
+- name: 'Add pulp database user'
+  become_user: postgres
+  postgresql_user:
+    state: present
+    name: "pulp"
+    password: "pulp"
+
+- name: 'Create Pulp database'
+  become_user: postgres
+  postgresql_db:
+    state: present
+    name: "pulp"
+    owner: "pulp"

roles/external_database/vars/RedHat-7.yml

@@ -0,0 +1,7 @@
+---
+external_database_packages:
+  - rh-postgresql12-syspaths
+  - rh-postgresql12-postgresql-server
+  - python-psycopg2
+external_database_postgresql_conf_path: /var/opt/rh/rh-postgresql12/lib/pgsql/data/postgresql.conf
+external_database_pg_hba_conf_path: /var/opt/rh/rh-postgresql12/lib/pgsql/data/pg_hba.conf

roles/external_database/vars/RedHat-8.yml

@@ -0,0 +1,6 @@
+---
+external_database_packages:
+  - postgresql-server
+  - python3-psycopg2
+external_database_postgresql_conf_path: /var/lib/pgsql/data/postgresql.conf
+external_database_pg_hba_conf_path: /var/lib/pgsql/data/pg_hba.conf