Restructuring for new backup solution

roles/svc-db-mariadb/Administration.md

@@ -2,5 +2,6 @@
 
 ## Execute SQL commands
 ```bash
-docker exec -it {{applications['mariadb'].hostname }} mariadb -u root -p
+# Assume the container name is mariadb
+docker exec -it mariadb mariadb -u root -p
 ```

roles/svc-db-mariadb/config/main.yml

@@ -1,8 +1,11 @@
-hostname: "svc-db-mariadb"
-network:  "<< defaults_applications[svc-db-mariadb].hostname >>"
-docker: 
+docker:
   services:
-    mariadb: 
-      version:  "latest"
-      image:    "mariadb"
-      volume:   "<< defaults_applications[svc-db-mariadb].hostname >>_data"
+    mariadb:
+      version:          "latest"
+      image:            "mariadb"
+      name:             "mariadb"
+      backup:
+        datase_routine: true
+  network:              "mariadb"
+  volumes:
+    data:               "mariadb_data"

roles/svc-db-mariadb/tasks/init.yml

@@ -25,6 +25,6 @@
 # @todo Remove if this works fine in the future. 
 #- name: Grant database privileges
 #  ansible.builtin.shell:
-#    cmd: "docker exec {{mariadb_hostname }} mariadb -u root -p{{ mariadb_root_pwd }} -e \"GRANT ALL PRIVILEGES ON `{{database_name}}`.* TO '{{database_username}}'@'%';\""
+#    cmd: "docker exec {{mariadb_name }} mariadb -u root -p{{ mariadb_root_pwd }} -e \"GRANT ALL PRIVILEGES ON `{{database_name}}`.* TO '{{database_username}}'@'%';\""
 #  args:
 #    executable: /bin/bash

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

@@ -8,7 +8,7 @@
 
 - name: install MariaDB
   docker_container:
-    name: "{{ mariadb_hostname }}"
+    name: "{{ mariadb_name }}"
     image: "{{ mariadb_image }}:{{ mariadb_version}}"
     detach: yes
     env:
@@ -36,9 +36,9 @@
     state: present
   when: run_once_docker_mariadb is not defined
 
-- name: "Wait until the MariaDB container with hostname '{{ mariadb_hostname }}' is healthy"
+- name: "Wait until the MariaDB container with hostname '{{ mariadb_name }}' is healthy"
   community.docker.docker_container_info:
-    name: "{{ mariadb_hostname }}"
+    name: "{{ mariadb_name }}"
   register: db_info
   until:
   - db_info.containers is defined

roles/svc-db-mariadb/vars/main.yml

@@ -1,11 +1,10 @@
 application_id:       svc-db-mariadb
-mariadb_hostname:     "{{ applications | get_app_conf(application_id,'hostname', True) }}"
 mariadb_root_pwd:     "{{ applications | get_app_conf(application_id,'credentials.root_password', True) }}"
 mariadb_init:         "{{ database_username is defined and database_password is defined and database_name is defined }}"
 mariadb_subnet:       "{{ networks.local['svc-db-mariadb'].subnet  }}"
 mariadb_network_name: "{{ applications | get_app_conf(application_id,'network', True) }}"
-mariadb_volume:       "{{ applications | get_app_conf(application_id,'docker.services.mariadb.volume', True) }}"
+mariadb_volume:       "{{ applications | get_app_conf(application_id,'docker.volumes.data', True) }}"
 mariadb_image:        "{{ applications | get_app_conf(application_id,'docker.services.mariadb.image','mariadb', True) }}"
 mariadb_version:      "{{ applications | get_app_conf(application_id,'docker.services.mariadb.version', True) }}"
+mariadb_name:         "{{ applications | get_app_conf(application_id,'docker.services.mariadb.name', True) }}"
 mariadb_port:         "{{ database_port | default(ports.localhost.database[ application_id ]) }}"
-