# Copyright: (c) 2019, Andrew Klychkov (@Andersson007) <aaklychkov@mail.ru>
# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)

# The aim of this test is to be sure that SSL options work in general
# and preparing the environment for testing these options in
# the following PostgreSQL modules (ssl_db, ssl_user, certs).
# Configured by https://www.postgresql.org/docs/current/ssl-tcp.html

####################
# Prepare for tests:

- name: postgresql SSL - create database
  become_user: "{{ pg_user }}"
  become: yes
  postgresql_db:
    name: "{{ ssl_db }}"

- name: postgresql SSL - create role
  become_user: "{{ pg_user }}"
  become: yes
  postgresql_user:
    name: "{{ ssl_user }}"
    role_attr_flags: SUPERUSER
    password: "{{ ssl_pass }}"

- name: postgresql SSL - install openssl
  become: yes
  package: name=openssl state=present

- name: postgresql SSL - create certs 1
  become_user: root
  become: yes
  shell: 'openssl req -new -nodes -text -out ~{{ pg_user }}/root.csr \
         -keyout ~{{ pg_user }}/root.key -subj "/CN=localhost.local"'

- name: postgresql SSL - create certs 2
  become_user: root
  become: yes
  shell: 'openssl x509 -req -in ~{{ pg_user }}/root.csr -text -days 3650 \
         -extensions v3_ca -signkey ~{{ pg_user }}/root.key -out ~{{ pg_user }}/root.crt'

- name: postgresql SSL - create certs 3
  become_user: root
  become: yes
  shell: 'openssl req -new -nodes -text -out ~{{ pg_user }}/server.csr \
         -keyout ~{{ pg_user }}/server.key -subj "/CN=localhost.local"'

- name: postgresql SSL - create certs 4
  become_user: root
  become: yes
  shell: 'openssl x509 -req -in ~{{ pg_user }}/server.csr -text -days 365 \
         -CA ~{{ pg_user }}/root.crt -CAkey ~{{ pg_user }}/root.key -CAcreateserial -out server.crt'

- name: postgresql SSL - set right permissions to files
  become_user: root
  become: yes
  file:
    path: '{{ item }}'
    mode: 0600
    owner: '{{ pg_user }}'
    group: '{{ pg_user }}'
  with_items:
  - '~{{ pg_user }}/root.key'
  - '~{{ pg_user }}/server.key'
  - '~{{ pg_user }}/root.crt'
  - '~{{ pg_user }}/server.csr'

- name: postgresql SSL - enable SSL
  become_user: "{{ pg_user }}"
  become: yes
  postgresql_set:
    login_user: "{{ pg_user }}"
    db: postgres
    name: ssl
    value: on

- name: postgresql SSL - reload PostgreSQL to enable ssl on
  become: yes
  service:
    name: "{{ postgresql_service }}"
    state: reloaded

###############
# Do main tests

- name: postgresql SSL - ping DB with SSL
  become_user: "{{ pg_user }}"
  become: yes
  postgresql_ping:
    db: "{{ ssl_db }}"
    login_user: "{{ ssl_user }}"
    login_password: "{{ ssl_pass }}"
    login_host: 127.0.0.1
    login_port: 5432
    ssl_mode: require
    ca_cert: '{{ ssl_rootcert }}'
  register: result

- assert:
    that: 
    - result.is_available == true

###################################################
# I decided not to clean ssl_db, ssl_user and certs
# for testing options related with SSL in other modules