Shortened service- to svc-

roles/svc-rdbms-mariadb/tasks/main.yml

@@ -0,0 +1,88 @@
+- name: Create Docker network for MariaDB
+  docker_network:
+    name: central_mariadb
+    state: present
+    ipam_config:
+      - subnet: "{{ networks.local.mariadb.subnet }}"
+  when: run_once_docker_mariadb is not defined
+
+- name: install MariaDB
+  docker_container:
+    name: "{{applications.mariadb.hostname }}"
+    image: "mariadb:{{applications.mariadb.version}}" #could lead to problems with nextcloud
+    detach: yes
+    env:
+      MARIADB_ROOT_PASSWORD:  "{{applications.mariadb.credentials.root_password}}"
+      MARIADB_AUTO_UPGRADE:   "1"
+    networks:
+      - name: central_mariadb
+    volumes:
+      - central_mariadb_database:/var/lib/mysql
+    published_ports:
+      - "127.0.0.1:{{database_port}}:3306" # can be that this will be removed if all applications use sockets
+    command: "--transaction-isolation=READ-COMMITTED --binlog-format=ROW" #for nextcloud
+    restart_policy: "{{docker_restart_policy}}"
+    healthcheck:
+      test: "/usr/bin/mariadb --user=root --password={{applications.mariadb.credentials.root_password}} --execute \"SHOW DATABASES;\""
+      interval: 3s
+      timeout: 1s
+      retries: 5
+  when: run_once_docker_mariadb is not defined
+  register: setup_mariadb_container_result
+
+- name: install python-mysqlclient
+  pacman: 
+    name: python-mysqlclient
+    state: present
+  when: run_once_docker_mariadb is not defined
+
+- name: Wait until the MariaDB container is healthy
+  community.docker.docker_container_info:
+    name: "{{ applications.mariadb.hostname }}"
+  register: db_info
+  until:
+  - db_info.containers is defined
+  - db_info.containers | length > 0
+  - db_info.containers[0].State.Health.Status == "healthy"
+  retries: 30
+  delay: 5
+  when:
+    - setup_mariadb_container_result is defined
+    - setup_mariadb_container_result.changed
+    - run_once_docker_mariadb is not defined
+
+- name: "Create database: {{ database_name }}"
+  mysql_db:
+    name:           "{{ database_name }}"
+    state:          present
+    login_user:     root
+    login_password: "{{ applications.mariadb.credentials.root_password }}"
+    login_host:     127.0.0.1
+    login_port:     "{{ database_port }}"
+    encoding:       "{{ database_encoding }}"
+    collation:      "{{ database_collation }}"
+
+- name: "Create database user: {{ database_username }}"
+  mysql_user:
+    name:     "{{database_username}}"
+    password: "{{database_password}}"
+    host: "%"
+    priv: '{{database_name}}.*:ALL'
+    state: present
+    login_user: root
+    login_password: "{{applications.mariadb.credentials.root_password}}"
+    login_host: 127.0.0.1
+    login_port: "{{database_port}}"
+
+# Deactivated due to https://chatgpt.com/share/683ba14b-0e74-800f-9ad1-a8979bc77093
+# @todo Remove if this works fine in the future. 
+#- name: Grant database privileges
+#  ansible.builtin.shell:
+#    cmd: "docker exec {{applications.mariadb.hostname }} mariadb -u root -p{{ applications.mariadb.credentials.root_password }} -e \"GRANT ALL PRIVILEGES ON `{{database_name}}`.* TO '{{database_username}}'@'%';\""
+#  args:
+#    executable: /bin/bash
+
+- name: run the docker_mariadb tasks once
+  set_fact:
+    run_once_docker_mariadb: true
+  when: run_once_docker_mariadb is not defined