🔨 Add molecule

molecule/_shared/Dockerfile.j2

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+# Molecule managed
+
+{% if item.registry is defined %}
+FROM {{ item.registry.url }}/{{ item.image }}
+{% else %}
+FROM {{ item.image }}
+{% endif %}
+
+{% if item.env is defined %}
+{% for var, value in item.env.items() %}
+{% if value %}
+ENV {{ var }} {{ value }}
+{% endif %}
+{% endfor %}
+{% endif %}
+
+RUN apt-get update && \
+	apt-get install -y python3 sudo bash ca-certificates iproute2 python-apt-common \
+	&& apt-get clean

molecule/_shared/base.yml

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+---
+
+scenario:
+  test_sequence:
+    - dependency
+    - syntax
+    - create
+    - prepare
+    - converge
+    - idempotence
+    - verify
+    - destroy
+driver:
+  name: docker
+role_name_check: 1
+provisioner:
+  name: ansible
+  config_options:
+    defaults:
+      deprecation_warnings: false
+      callback_whitelist: timer,profile_tasks
+      fact_caching: jsonfile
+      fact_caching_connection: ./cache
+      forks: 100
+    connection:
+      pipelining: true
+  playbooks:
+    converge: ../_shared/converge.yml
+    prepare: ../_shared/prepare.yml
+    verify: ../_shared/verify.yml
+  inventory:
+    group_vars:
+      all:
+        is_dev: true
+    links:
+      group_vars: ../_shared/inventory/group_vars/
+verifier:
+  name: ansible

molecule/_shared/converge.yml

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+---
+
+# Note: master must be converged first
+- name: Converge master
+  hosts: master
+  gather_facts: true
+  tasks:
+    - name: Include role
+      ansible.builtin.include_role:
+        name: "hanxhx.mysql"
+
+    - name: COPY | Deploy first dump
+      ansible.builtin.copy:
+        src: files/import1.sql
+        dest: /tmp/import1.sql
+        mode: 0644
+        owner: root
+        group: root
+
+    - name: MYSQL_DB | Import first dump
+      community.mysql.mysql_db:
+        name: "{{ item }}"
+        state: import
+        target: /tmp/import1.sql
+        login_unix_socket: "/run/mysqld/mysqld.sock"
+      loop: "{{ mariadb_databases }}"
+
+- name: Converge slave
+  hosts: slave
+  gather_facts: true
+  tasks:
+    - name: Include role
+      ansible.builtin.include_role:
+        name: "hanxhx.mysql"

molecule/_shared/files/import1.sql

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+CREATE TABLE IF NOT EXISTS `user` (
+  `id` mediumint(8) unsigned NOT NULL auto_increment,
+  `email` varchar(255) default NULL,
+  PRIMARY KEY (`id`)
+) AUTO_INCREMENT=1;
+
+INSERT IGNORE INTO `user` (`id`,`email`) VALUES (1,"tellus.Suspendisse.sed@gravida.edu"),(2,"Nulla.tempor@nonsapienmolestie.edu"),(3,"a.odio@eu.org"),(4,"adipiscing.ligula.Aenean@augueeu.com"),(5,"id.enim.Curabitur@dictumeleifendnunc.org"),(6,"est.mollis.non@laoreetlectus.net"),(7,"fringilla@mollisduiin.edu"),(8,"amet@lacusQuisquepurus.co.uk"),(9,"elementum.dui@pellentesque.org"),(10,"dictum.eu.placerat@dolorQuisque.com");
+INSERT IGNORE INTO `user` (`id`,`email`) VALUES (11,"vitae.dolor@rutrumnon.net"),(12,"semper@mattis.co.uk"),(13,"tincidunt.congue.turpis@placerateget.co.uk"),(14,"ornare.sagittis.felis@vitaesemper.ca"),(15,"luctus@sapien.ca"),(16,"tellus.id.nunc@necluctus.net"),(17,"quis.pede.Praesent@posuereenim.co.uk"),(18,"quis@metusvitaevelit.com"),(19,"in.sodales@velarcu.net"),(20,"et@sagittisplacerat.net");
+INSERT IGNORE INTO `user` (`id`,`email`) VALUES (21,"aliquam@atpretium.co.uk"),(22,"cursus@sapienmolestie.edu"),(23,"ornare.Fusce@pede.ca"),(24,"at@estac.co.uk"),(25,"sed@risusodioauctor.ca"),(26,"sit.amet.consectetuer@necorciDonec.com"),(27,"Nulla@infaucibus.co.uk"),(28,"tempus.scelerisque@utlacusNulla.com"),(29,"pellentesque.a@nostraper.com"),(30,"libero.et.tristique@Nunclaoreet.co.uk");
+INSERT IGNORE INTO `user` (`id`,`email`) VALUES (31,"dolor.sit.amet@Donecelementum.net"),(32,"ornare@massanonante.ca"),(33,"quam.elementum@semper.net"),(34,"Duis.ac.arcu@Integermollis.com"),(35,"magna.Sed.eu@magnaPraesent.co.uk"),(36,"Mauris.eu.turpis@mattis.ca"),(37,"ornare.facilisis.eget@urna.net"),(38,"Sed.diam.lorem@fringilla.co.uk"),(39,"pellentesque.Sed.dictum@Donec.edu"),(40,"faucibus.Morbi@nuncid.com");
+INSERT IGNORE INTO `user` (`id`,`email`) VALUES (41,"ullamcorper@at.co.uk"),(42,"nec.ante.blandit@utcursus.edu"),(43,"diam.vel.arcu@egestasFuscealiquet.com"),(44,"ridiculus@musAeneaneget.com"),(45,"ad@turpisvitaepurus.ca"),(46,"ultrices.posuere.cubilia@purusMaecenas.net"),(47,"luctus@libero.org"),(48,"mi@elitNulla.com"),(49,"elementum@ipsumdolorsit.edu"),(50,"orci@Donec.co.uk");

molecule/_shared/inventory/group_vars/all.yml

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+---
+
+mariadb_bind_address: '0.0.0.0'
+mariadb_extra_configuration:
+  innodb_commit_concurrency: 0
+mariadb_install_xtrabackup_package: true
+mariadb_slow_query_log_enabled: true
+mariadb_debug_role: true

molecule/_shared/inventory/group_vars/galera.yml

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+---
+
+mariadb_use_galera: true
+mariadb_galera_members: "{{ groups['galera'] }}"

molecule/_shared/inventory/group_vars/master.yml

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+---
+
+# Master durability
+mariadb_sync_binlog: '1'
+mariadb_innodb_flush_log_at_trx_commit: '1'
+
+mariadb_databases:
+  - 'testrepl'
+  - 'norepl'
+
+mariadb_users:
+  - name: 'replication'
+    password: '1a2b3c'
+    priv: '*.*:REPLICATION SLAVE'
+    host: '%'
+mariadb_replication_master: true
+mariadb_replication_slave: false
+
+# vim: set ft=yaml :

molecule/_shared/inventory/group_vars/slave.yml

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+---
+
+mariadb_replication_master: false
+mariadb_replication_slave: true
+mariadb_replication_user: 'replication'
+mariadb_replication_password: '1a2b3c'
+mariadb_slave_ignore_db: ['norepl']
+mariadb_slave_import_from: "{{ groups['master'][0] }}"
+mariadb_replication_host: "{{ groups['master'][0] }}"
+
+# vim: set ft=yaml :

molecule/_shared/prepare.yml

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+---
+
+- name: Prepare hosts
+  hosts: all
+  gather_facts: false
+  tasks:
+    - name: APT | Install some packages
+      ansible.builtin.apt:
+        name: "{{ p }}"
+        update_cache: true
+        cache_valid_time: 3600
+      vars:
+        p: ['ca-certificates', 'curl', 'rsync', 'rsyslog', 'ssh', 'strace', 'vim']
+
+    - name: SERVICE | Ensure daemon are started
+      ansible.builtin.service:
+        name: "{{ item }}"
+        state: started
+      loop:
+        - rsyslog
+        - ssh

molecule/_shared/verify.yml

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+---
+
+- name: Verify slave
+  hosts: slave
+  gather_facts: false
+  tasks:
+    - name: MYSQL_REPLICATION | Get slave infos
+      community.mysql.mysql_replication:
+        mode: getreplica
+      register: slave
+
+    - name: ASSERT | If slave threads are not running
+      ansible.builtin.assert:
+        that:
+          - slave.Slave_IO_Running == 'Yes'
+          - slave.Slave_SQL_Running == 'Yes'
+        fail_msg: "Slave issue, please check"
+        success_msg: "Slave is running"
+
+    - name: Check replication data
+      community.mysql.mysql_query:
+        login_db: testrepl
+        query: 'SELECT COUNT(*) AS c FROM user'
+        login_unix_socket: /run/mysqld/mysqld.sock
+      register: result
+
+    - name: ASSERT | Check replication data
+      ansible.builtin.assert:
+        that:
+          - result.query_result.0.0.c == 50
+        fail_msg: "Replication data is not correct"
+        success_msg: "Replication data is correct"