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Added draft for mariadb docker role
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roles/docker-mariadb/README.md
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roles/docker-mariadb/README.md
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# MariaDB Docker Ansible Role
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## Overview
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This Ansible role facilitates the deployment of a MariaDB server using Docker. It is designed to ensure ease of installation and configuration, with the flexibility to adapt to different environments.
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## Features
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- **Dockerized MariaDB**: Leverages Docker for MariaDB deployment, ensuring consistency across different environments.
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- **Customizable Settings**: Allows customization of the MariaDB instance through various Ansible variables.
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- **Network Configuration**: Includes setup of a dedicated Docker network for MariaDB.
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- **Idempotent Design**: Ensures that repeat runs of the playbook do not result in unwanted changes.
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- **Security Focused**: Implements best practices for securing the MariaDB root password.
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## Prerequisites
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Before using this role, ensure you have the following:
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- Ansible installed on the control machine.
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- Docker installed on the target host(s).
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- Access to the target host(s) via SSH.
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## Configuration
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Configure the role by setting the required variables. These can be set in the playbook or in a separate variable file:
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- `central_mariadb_root_password`: The root password for the MariaDB server.
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- `database_databasename`: The name of the initial database to create.
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- `database_username`: The username for the database user.
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- `database_password`: The password for the database user.
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## Contributing
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Contributions to this project are welcome. Please submit issues and pull requests with your suggestions.
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roles/docker-mariadb/handlers/main.yml
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roles/docker-mariadb/handlers/main.yml
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- name: create database
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mysql_db:
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name: "{{database_databasename}}"
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state: present
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login_user: root
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login_password: "{{central_mariadb_root_password}}"
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login_host: 127.0.0.1
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login_port: 3306
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listen: create database
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- name: create database user
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mysql_user:
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name: "{{database_username}}"
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password: "{{database_password}}"
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priv: '{{database_databasename}}.*:ALL'
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state: present
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login_user: root
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login_password: "{{central_mariadb_root_password}}"
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login_host: 127.0.0.1
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login_port: 3306
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listen: create database
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roles/docker-mariadb/tasks/main.yml
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roles/docker-mariadb/tasks/main.yml
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- name: Create Docker network for MariaDB
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docker_network:
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name: mariadb_network
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state: present
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when: run_once_backup_docker_to_local is not defined
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- name: install MariaDB
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docker_container:
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name: mariadb
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image: mariadb:latest
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detach: yes
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env:
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MARIADB_ROOT_PASSWORD: "{{central_mariadb_root_password}}"
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networks:
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- name: mariadb_network
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published_ports:
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- "127.0.0.1:3306:3306"
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when: run_once_backup_docker_to_local is not defined
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- name: run the docker_mariadb tasks once
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set_fact:
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run_once_backup_docker_to_local: true
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when: run_once_backup_docker_to_local is not defined
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