first version

.gitignore

@@ -0,0 +1 @@
+*.pyc

.yamllint

@@ -0,0 +1,12 @@
+---
+extends: default
+
+ignore: |
+  .kitchen/*
+  vendor/
+
+rules:
+  line-length:
+    max: 120
+    level: warning
+  truthy: false

CHANGELOG.md

@@ -0,0 +1,8 @@
+# CHANGELOG
+
+This project adheres to [Semantic Versioning](http://semver.org/).
+Which is based on [Keep A Changelog](http://keepachangelog.com/)
+
+## [Unreleased]
+
+- first version

LICENSE

@@ -0,0 +1,201 @@
+                                 Apache License
+                           Version 2.0, January 2004
+                        http://www.apache.org/licenses/
+
+   TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
+
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+   9. Accepting Warranty or Additional Liability. While redistributing
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+      License. However, in accepting such obligations, You may act only
+      on Your own behalf and on Your sole responsibility, not on behalf
+      of any other Contributor, and only if You agree to indemnify,
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+
+   END OF TERMS AND CONDITIONS
+
+   APPENDIX: How to apply the Apache License to your work.
+
+      To apply the Apache License to your work, attach the following
+      boilerplate notice, with the fields enclosed by brackets "{}"
+      replaced with your own identifying information. (Don't include
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+   Copyright 2021 Adrien Waksberg
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
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+   See the License for the specific language governing permissions and
+   limitations under the License.

README.md

@@ -0,0 +1,126 @@
+# Ansible role: Postgresql
+
+[![License](https://img.shields.io/badge/license-Apache--2.0-blue.svg)](https://git.yaegashi.fr/nishiki/ansible-role-postgresql/src/branch/master/LICENSE)
+
+Install and configure Postgresql
+
+## Requirements
+
+* Ansible >= 2.9
+* Debian
+  * Buster
+  * Bullseye
+
+## Role variables
+
+| Name                               | Type  | Required |Default | Comment                                                |
+|------------------------------------|-------|----------|--------|--------------------------------------------------------|
+| postgresql_version                 | str   | no       | 13     | the major version to use                               |
+| postgresql_use_official_repository | bool  | no       | false  | set to true if you want official postgresql repository |
+| postgresql_config                  | dict  | no       |        | add option config file                                 |
+| postgresql_databases               | array | no       |        | the database to manage                                 |
+| postgresql_users                   | array | no       |        | the users to manage                                    |
+
+### postgresql_config
+
+See all options on [postgresql documentation](https://www.postgresql.org/docs/current/runtime-config.html)
+
+Example:
+
+```
+  listen_addresses: '*'
+  port: 5432
+  ssl: true
+  unix_socket_directories: /var/run/postgresql
+```
+
+### postgresql_databases
+
+
+| Name       | Type | Required | Default   | Comment                                             |
+|------------|------|----------|-----------|-----------------------------------------------------|
+| name       | str  | yes      |           | the database name                                   |
+| encoding   | str  | no       | UTF-8     | encoding to use                                     |
+| lc_collate | str  | no       | C.UTF-8   | lc_collate to use                                   |
+| lc_ctype   | str  | no       | C.UTF-8   | lc_ctype to use                                     |
+| template   | str  | no       | template0 | template to use                                     |
+| state      | str  | no       | present   | if absent the database is deleted |
+
+
+Example:
+
+```
+  - name: test
+    encoding: UTF-8
+    state: present
+```
+
+### postgresql_users
+
+| Name       | Type  | Required | Default | Comment                                               |
+|------------|-------|----------|---------|-------------------------------------------------------|
+| name       | str   | yes      |         | the user name                                         |
+| password   | str   | yes      |         | the password to logon                                 |
+| database   | str   | yes      |         | the database where user's permissions will be granted |
+| privileges | array | yes      |         | list with the user's privileges                       |
+| state      | str   | no       | present | if absent the user is deleted                         |
+
+Example:
+
+```
+  - name: user1
+    password: secret
+    database: test
+    privileges:
+      - SELECT
+      - table1:INSERT
+    state: present
+```
+
+## How to use
+
+```
+- hosts: server
+  roles:
+    - postgresql
+  vars:
+    postgresql_use_official_repository: true
+    postgresql_config:
+      listen_addresses: '*'
+    postgresql_databases:
+      - name: test
+    postgresql_users
+      - name: user1
+        password: secret
+        database: test
+        privileges:
+          - SELECT
+          - table1:INSERT
+```
+
+## Development
+
+### Test with molecule and docker
+
+* install [docker](https://docs.docker.com/engine/installation/)
+* install `python3` and `python3-pip`
+* install molecule and dependencies `pip3 install molecule molecule-docker docker ansible-lint testinfra yamllint`
+* run `molecule test`
+
+## License
+
+```
+Copyright (c) 2021 Adrien Waksberg
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+```

defaults/main.yml

@@ -0,0 +1,34 @@
+---
+postgresql_version: 13
+postgresql_use_official_repository: false
+postgresql_databases: []
+postgresql_users: []
+postgresql_config: {}
+postgresql_config_default:
+  data_directory: '/var/lib/postgresql/{{ postgresql_version }}/main'
+  hba_file: '/etc/postgresql/{{ postgresql_version }}/main/pg_hba.conf'
+  ident_file: '/etc/postgresql/{{ postgresql_version }}/main/pg_ident.conf'
+  external_pid_file: '/var/run/postgresql/{{ postgresql_version }}-main.pid'
+  port: 5432
+  max_connections: 100
+  unix_socket_directories: /var/run/postgresql
+  ssl: true
+  ssl_cert_file: /etc/ssl/certs/ssl-cert-snakeoil.pem
+  ssl_key_file: /etc/ssl/private/ssl-cert-snakeoil.key
+  shared_buffers: 128MB
+  dynamic_shared_memory_type: posix
+  max_wal_size: 1GB
+  min_wal_size: 80MB
+  log_line_prefix: '%m [%p] %q%u@%d'
+  log_timezone: Etc/UTC
+  cluster_name: '{{ postgresql_version }}/main'
+  stats_temp_directory: '/var/run/postgresql/{{ postgresql_version }}-main.pg_stat_tmp'
+  datestyle: iso, mdy
+  timezone: Etc/UTC
+  lc_messages: C.UTF-8
+  lc_monetary: C.UTF-8
+  lc_numeric: C.UTF-8
+  lc_time: C.UTF-8
+  default_text_search_config: pg_catalog.english
+  include_dir: conf.d
+postgresql_config_full: '{{ postgresql_config_default|combine(postgresql_config) }}'

handlers/main.yml

@@ -0,0 +1,5 @@
+---
+- name: reload postgresql
+  ansible.builtin.service:
+    name: 'postgresql@{{ postgresql_version }}-main'
+    state: reloaded

meta/main.yml

@@ -0,0 +1,21 @@
+---
+galaxy_info:
+  role_name: postgresql
+  author: Adrien Waksberg
+  company: Adrien Waksberg
+  description: Install and configure postgresql
+  license: Apache2
+  min_ansible_version: 2.9
+
+  platforms:
+    - name: Debian
+      versions:
+        - buster
+        - bullseye
+
+  galaxy_tags:
+    - database
+    - sql
+    - postgresql
+
+dependencies: []

molecule/default/converge.yml

@@ -0,0 +1,29 @@
+---
+- name: Converge
+  hosts: all
+  roles:
+    - ansible-role-postgresql
+  vars:
+    postgresql_use_official_repository: true
+    postgresql_config:
+      listen_addresses: '*'
+    postgresql_hba:
+      - type: hostssl
+        databases:
+          - myappli
+        users: all
+        subnet: samenet
+        method: md5
+    postgresql_databases:
+      - name: myappli
+    postgresql_users:
+      - name: myuser
+        database: myappli
+        password: secret
+        privileges:
+          - ALL
+
+  pre_tasks:
+    - name: update apt cache
+      ansible.builtin.apt:
+        update_cache: true

molecule/default/molecule.yml

@@ -0,0 +1,26 @@
+---
+driver:
+  name: docker
+platforms:
+  - name: debian11
+    image: nishiki/debian11:molecule
+    privileged: true
+    volumes:
+      - /sys/fs/cgroup:/sys/fs/cgroup:ro
+    command: /bin/systemd
+    capabilities:
+      - SYS_ADMIN
+  - name: debian10
+    image: nishiki/debian10:molecule
+    privileged: true
+    volumes:
+      - /sys/fs/cgroup:/sys/fs/cgroup:ro
+    command: /bin/systemd
+    capabilities:
+      - SYS_ADMIN
+lint: |
+  set -e
+  yamllint .
+  ansible-lint .
+verifier:
+  name: testinfra

molecule/default/tests/test_default.py

@@ -0,0 +1,42 @@
+import testinfra.utils.ansible_runner
+
+def test_packages(host):
+  for package_name in ['postgresql-13', 'python3-psycopg2']:
+    package = host.package(package_name)
+    assert package.is_installed
+
+def test_config_file(host):
+  path = host.file('/etc/postgresql/13/main/postgresql.conf')
+  assert path.exists
+  assert path.is_file
+  assert path.user == 'root'
+  assert path.group == 'root'
+  assert path.mode == 0o644
+  assert path.contains("listen_addresses = '*'")
+
+def test_hba_file(host):
+  path = host.file('/etc/postgresql/13/main/pg_hba.conf')
+  assert path.exists
+  assert path.is_file
+  assert path.user == 'root'
+  assert path.group == 'root'
+  assert path.mode == 0o644
+  assert path.contains('hostssl "myappli" all samenet md5')
+
+
+def test_service(host):
+  service = host.service('postgresql@13-main')
+  assert service.is_running
+  assert service.is_enabled
+
+def test_socket(host):
+  socket = host.socket('tcp://127.0.0.1:5432')
+  assert socket.is_listening
+
+def test_database(host):
+  output = host.check_output('su - postgres -c "psql -c \'\\l\'"')
+  assert 'myappli' in output
+
+def test_user(host):
+  output = host.check_output('su - postgres -c "psql -c \'\\du\'"')
+  assert 'myuser' in output

tasks/main.yml

@@ -0,0 +1,68 @@
+---
+- name: install depencies packages
+  ansible.builtin.package:
+    name:
+      - gpg
+      - python3-psycopg2
+  tags: postgresql
+
+- import_tasks: repo.yml
+  when: postgresql_use_official_repository
+
+- name: install packages
+  ansible.builtin.package:
+    name:
+      - 'postgresql-{{ postgresql_version }}'
+  tags: postgresql
+
+- name: copy config
+  ansible.builtin.template:
+    src: '{{ item }}.j2'
+    dest: '/etc/postgresql/{{ postgresql_version }}/main/{{ item }}'
+    owner: root
+    group: root
+    mode: 0644
+  loop:
+    - postgresql.conf
+    - pg_hba.conf
+  notify: reload postgresql
+  tags: postgresql
+
+- name: enable and start service
+  ansible.builtin.service:
+    name: 'postgresql@{{ postgresql_version }}-main'
+    state: started
+    enabled: true
+  tags: postgresql
+
+- name: wait for service is up
+  ansible.builtin.wait_for:
+    port: 5432
+  tags: postgresql
+
+- name: manage databases
+  community.general.postgresql_db:
+    name: '{{ item.name }}'
+    encoding: '{{ item.encoding|default("UTF-8") }}'
+    state: '{{ item.state|default("present") }}'
+    lc_collate: '{{ item.lc_collate|default("C.UTF-8") }}'
+    lc_ctype: '{{ item.lc_ctype|default("C.UTF-8") }}'
+    template: '{{ item.template|default("template0") }}'
+  loop: '{{ postgresql_databases }}'
+  become: true
+  become_user: postgres
+  tags: postgresql
+
+- name: manage users
+  community.general.postgresql_user:
+    name: '{{ item.name }}'
+    password: '{{ item.password }}'
+    db: '{{ item.database }}'
+    priv: '{{ item.privileges|join("/") }}'
+    state: '{{ item.state|default("present") }}'
+  loop: '{{ postgresql_users }}'
+  loop_control:
+    label: '{{ item.name }}/{{ item.database }}'
+  become: true
+  become_user: postgres
+  tags: postgresql

tasks/repo.yml

@@ -0,0 +1,11 @@
+---
+- name: add official repository key
+  ansible.builtin.apt_key:
+    url: https://www.postgresql.org/media/keys/ACCC4CF8.asc
+  tags: postgresql
+
+- name: add official repostiroy
+  ansible.builtin.apt_repository:
+    filename: postgresql
+    repo: 'deb http://apt.postgresql.org/pub/repos/apt {{ ansible_distribution_release }}-pgdg main'
+  tags: postgresql

templates/pg_hba.conf.j2

@@ -0,0 +1,6 @@
+# {{ ansible_managed }}
+
+local all postgres peer
+{% for conn in postgresql_hba %}
+{{ conn.type }} {% if conn.databases == 'all' %}all{% else %}"{{ conn.databases|join('",') }}"{% endif %} {% if conn.users == 'all' %}all{% else %}"{{ conn.users|join('",') }}"{% endif %}{% if conn.type != 'local' %} {{ conn.subnet }}{%endif %} {{ conn.method }}
+{% endfor %}

templates/postgresql.conf.j2

@@ -0,0 +1,9 @@
+# {{ ansible_managed }}
+
+{% for option, value in postgresql_config_full.items() %}
+{{ option }} = {% if value is sameas true %}on
+{% elif value is sameas false %}off
+{% elif value is string %}'{{ value }}'
+{% elif value is number %}{{ value }}
+{% endif %}
+{% endfor %}