Make the role compatible with Alpine linux

.github/workflows/test_cluster.yml

@@ -41,6 +41,7 @@ jobs:
           - fedora-38
           - almalinux-9
           - rockylinux-8
+          - alpine-3.18
     steps:
       - uses: actions/checkout@v4
       - name: Install requirements

.github/workflows/test_default.yml

@@ -47,6 +47,8 @@ jobs:
           - almalinux-9
           - rockylinux-8
           - rockylinux-9
+          - alpine-3.17
+          - alpine-3.18
     steps:
       - uses: actions/checkout@v4
       - name: Install requirements

README.md

@@ -6,7 +6,7 @@
 [![Cluster](https://github.com/fauust/ansible-role-mariadb/actions/workflows/test_cluster.yml/badge.svg)](https://github.com/fauust/ansible-role-mariadb/actions/workflows/test_cluster.yml)
 [![Cluster MDBF](https://github.com/fauust/ansible-role-mariadb/actions/workflows/test_cluster_mdbf.yml/badge.svg)](https://github.com/fauust/ansible-role-mariadb/actions/workflows/test_cluster_mdbf.yml)
 
-Install and configure MariaDB Server on Linux (Debian or RHEL based).
+Install and configure MariaDB Server on Linux (Debian, RHEL or Alpine linux based).
 
 Optionally, this role also permits one to:
 
@@ -128,6 +128,8 @@ deployments and you are encouraged to use your own values.
 [`vars`](./vars).
 
 ```yaml
+mariadb_user: "default value depends on OS"
+mariadb_package: "default value depends on OS"
 mariadb_config_file: "default value depends on OS"
 mariadb_data_dir: "default value depends on OS"
 mariadb_port: 3306

handlers/main.yml

@@ -6,3 +6,6 @@
   when:
     - mariadb_can_restart
     - not ansible_check_mode
+
+- name: Setup MariaDB
+  ansible.builtin.command: /etc/init.d/mariadb setup

meta/main.yml

@@ -11,21 +11,19 @@ galaxy_info:
   platforms:
     - name: Debian
       versions:
-        - buster
-        - bullseye
-        - sid
+        - all
     - name: Ubuntu
       versions:
-        - bionic
-        - focal
-        - jammy
+        - all
     - name: Fedora
       versions:
         - all
     - name: EL
       versions:
-        - 8
-        - 9
+        - all
+    - name: Alpine
+      versions:
+        - all
   galaxy_tags:
     - mariadb
     - mysql

molecule/cluster/verify.yml

@@ -3,15 +3,19 @@
   hosts: all
 
   tasks:
-    - name: Get mariadb service status
-      ansible.builtin.systemd:
-        name: "mariadb"
-      register: mariadb_service
+    - name: Make sure that service is started
+      ansible.builtin.service:
+        name: mariadb
+        state: started
+      register: status
+      failed_when: status.changed
 
-    - name: Check that mariadb service is active
-      ansible.builtin.assert:
-        that:
-          - mariadb_service.status.ActiveState == 'active'
+    - name: Make sure that service is enabled
+      ansible.builtin.service:
+        name: mariadb
+        state: enabled
+      register: status
+      failed_when: status.changed
 
 - name: Verify replication
   hosts: replica

molecule/default/vars/Alpine.yml

@@ -0,0 +1 @@
+../../../vars/Alpine.yml

molecule/default/verify.yml

@@ -14,13 +14,17 @@
           paths:
             - "vars"
 
-    - name: Gather package facts
-      ansible.builtin.package_facts:
-        manager: auto
-
-    - name: Verify Packages
+    - name: Verify pkg status
+      ansible.builtin.package:
+        name: "{{ mariadb_package }}"
+        state: present
+      check_mode: true
+      register: pkg_status
+
+    - name: Check that {{ mariadb_package }} already installed
       ansible.builtin.assert:
-        that: "'mariadb-server' in ansible_facts.packages|lower"
+        that: not pkg_status.changed
+        fail_msg: "{{ mariadb_package }} is not installed"
 
     - name: Register {{ mariadb_config_file }}
       ansible.builtin.stat:
@@ -58,15 +62,19 @@
           - logdir.stat.pw_name == "{{ mariadb_user }}"
           - logdir.stat.gr_name == "{{ mariadb_user }}"
 
-    - name: Get mariadb service status
-      ansible.builtin.systemd:
-        name: "mariadb"
-      register: mariadb_service
-
-    - name: Check that mariadb service is active
-      ansible.builtin.assert:
-        that:
-          - mariadb_service.status.ActiveState == 'active'
+    - name: Make sure that service is started
+      ansible.builtin.service:
+        name: mariadb
+        state: started
+      register: status
+      failed_when: status.changed
+
+    - name: Make sure that service is enabled
+      ansible.builtin.service:
+        name: mariadb
+        state: enabled
+      register: status
+      failed_when: status.changed
 
     - name: Check that 127.0.0.1:3306 is listening
       ansible.builtin.wait_for:

requirements.yml

@@ -1,4 +1,5 @@
 ---
 collections:
+  - name: community.general
   - name: community.mysql
   - name: containers.podman

tasks/main.yml

@@ -17,6 +17,10 @@
   ansible.builtin.import_tasks: setup_redhat.yml
   when: ansible_os_family == "RedHat"
 
+- name: Include task setup_alpine.yml
+  ansible.builtin.import_tasks: setup_alpine.yml
+  when: ansible_os_family == "Alpine"
+
 - name: Include task configure.yml
   ansible.builtin.import_tasks: configure.yml
 

tasks/setup_alpine.yml

@@ -0,0 +1,34 @@
+---
+- name: Install packages (package)
+  ansible.builtin.package:
+    name:
+      - "{{ mariadb_package }}"
+      - mariadb-client
+      - py3-pymysql
+    state: present
+  notify: Setup MariaDB
+
+- name: Check if mariadb command exists
+  ansible.builtin.stat:
+    path: /usr/bin/mariadb
+  register: mariadb_cmd
+
+- name: Make sure that mariadb command exists
+  ansible.builtin.file:
+    src: /usr/bin/mysql
+    dest: /usr/bin/mariadb
+    owner: root
+    group: root
+    state: link
+  when: mariadb_cmd.stat.exists is false
+
+- name: Ensure /run/mysqld
+  ansible.builtin.file:
+    path: /run/mysqld
+    state: directory
+    owner: mysql
+    group: mysql
+    mode: 0755
+
+- name: Immediately setup MariaDB (necessary for configuration)
+  ansible.builtin.meta: flush_handlers

tasks/setup_debian.yml

@@ -75,10 +75,10 @@
         group: root
         mode: "0644"
 
-- name: Install packages
+- name: Install packages (apt)
   ansible.builtin.apt:
     package:
-      - mariadb-server
+      - "{{ mariadb_package }}"
       - python3-pymysql
     state: present
     update_cache: true

tasks/setup_redhat.yml

@@ -20,10 +20,10 @@
     mode: "0644"
   when: mariadb_use_official_repo
 
-- name: Install packages
+- name: Install packages (dnf)
   ansible.builtin.dnf:
     name:
-      - mariadb-server
+      - "{{ mariadb_package }}"
       - python3-PyMySQL
     state: present
 

vars/Alpine.yml

@@ -0,0 +1,10 @@
+---
+mariadb_user: mysql
+mariadb_package: mariadb
+mariadb_config_file: "/etc/my.cnf"
+mariadb_data_dir: "/var/lib/mysql"
+mariadb_pid_file: "/run/mysqld/mariadb.pid"
+mariadb_unix_socket: "/run/mysqld/mysqld.sock"
+mariadb_log_dir: "/var/log/mariadb"
+mariadb_log_error_file: "{{ mariadb_log_dir }}/error.log"
+mariadb_cron_package_name: "cronie"

vars/Debian.yml

@@ -1,5 +1,6 @@
 ---
 mariadb_user: mysql
+mariadb_package: mariadb-server
 mariadb_config_file: "/etc/mysql/mariadb.cnf"
 mariadb_data_dir: "/var/lib/mysql"
 mariadb_pid_file: "/run/mysqld/mysqld.pid"

vars/RedHat.yml

@@ -1,5 +1,6 @@
 ---
 mariadb_user: mysql
+mariadb_package: mariadb-server
 mariadb_config_file: "/etc/my.cnf.d/mariadb-server.cnf"
 mariadb_data_dir: "/var/lib/mysql"
 mariadb_pid_file: "/run/mysqld.pid"