From 1a601efca443ae39876c5484c56d322137211b43 Mon Sep 17 00:00:00 2001
From: nihonium <nihonium@nekoea.red>
Date: Thu, 31 Oct 2024 23:04:36 +0300
Subject: [PATCH] initial commit

---
 ansible-postgresql/playbook.yml               |  5 ++
 .../roles/postgresql16/handlers/main.yml      |  4 ++
 .../roles/postgresql16/tasks/main.yml         | 72 +++++++++++++++++++
 .../postgresql16/templates/postgresql.conf.j2 |  3 +
 4 files changed, 84 insertions(+)
 create mode 100644 ansible-postgresql/playbook.yml
 create mode 100644 ansible-postgresql/roles/postgresql16/handlers/main.yml
 create mode 100644 ansible-postgresql/roles/postgresql16/tasks/main.yml
 create mode 100644 ansible-postgresql/roles/postgresql16/templates/postgresql.conf.j2

diff --git a/ansible-postgresql/playbook.yml b/ansible-postgresql/playbook.yml
new file mode 100644
index 0000000..907daef
--- /dev/null
+++ b/ansible-postgresql/playbook.yml
@@ -0,0 +1,5 @@
+- name: Configure Debian 11, install and launch PostgreSQL 16
+  hosts: debian11_servers
+  become: yes
+  roles:
+    - postgresql16
diff --git a/ansible-postgresql/roles/postgresql16/handlers/main.yml b/ansible-postgresql/roles/postgresql16/handlers/main.yml
new file mode 100644
index 0000000..15ef8a3
--- /dev/null
+++ b/ansible-postgresql/roles/postgresql16/handlers/main.yml
@@ -0,0 +1,4 @@
+- name: Restart PostgreSQL 16
+  systemd:
+    name: postgresql
+    state: restarted
diff --git a/ansible-postgresql/roles/postgresql16/tasks/main.yml b/ansible-postgresql/roles/postgresql16/tasks/main.yml
new file mode 100644
index 0000000..2def735
--- /dev/null
+++ b/ansible-postgresql/roles/postgresql16/tasks/main.yml
@@ -0,0 +1,72 @@
+- name: Update apt package index
+  apt:
+    update_cache: yes
+
+- name: Install necessary dependencies
+  apt:
+    name:
+      - wget
+      - ca-certificates
+    state: present
+
+- name: Add PostgreSQL GPG key
+  apt_key:
+    url: https://www.postgresql.org/media/keys/ACCC4CF8.asc
+    state: present
+
+- name: Add PostgreSQL APT repository
+  apt_repository:
+    repo: "deb http://apt.postgresql.org/pub/repos/apt/ {{ ansible_distribution_release }}-pgdg main"
+    state: present
+    update_cache: yes
+
+- name: Install PostgreSQL 16 and its dependencies
+  apt:
+    name:
+      - postgresql-16
+      - postgresql-client-16
+      - postgresql-contrib
+      - python3-psycopg2
+    state: present
+
+- name: Install python3-psycopg2
+  apt:
+    name:
+      - python3-psycopg2
+    state: present
+
+- name: Ensure PostgreSQL is running and enabled on boot
+  systemd:
+    name: postgresql
+    state: started
+    enabled: yes
+
+- name: Copy PostgreSQL configuration
+  template:
+    src: postgresql.conf.j2
+    dest: /etc/postgresql/16/main/postgresql.conf
+  notify:
+    - Restart PostgreSQL 16
+
+- name: Create a database user
+  become_user: postgres
+  postgresql_user:
+    name: testuser
+    password: testpassword
+    state: present
+
+- name: Create a database
+  become_user: postgres
+  postgresql_db:
+    name: testdb
+    owner: testuser
+    state: present
+
+- name: Grant privileges to the user on the database
+  become_user: postgres
+  postgresql_privs:
+    database: testdb
+    roles: testuser
+    objs: ALL_IN_SCHEMA
+    privs: "ALL"
+    state: present
diff --git a/ansible-postgresql/roles/postgresql16/templates/postgresql.conf.j2 b/ansible-postgresql/roles/postgresql16/templates/postgresql.conf.j2
new file mode 100644
index 0000000..34e9d73
--- /dev/null
+++ b/ansible-postgresql/roles/postgresql16/templates/postgresql.conf.j2
@@ -0,0 +1,3 @@
+listen_addresses = '*'
+port = 5432
+max_connections = 100